Steven Kirk
8 years ago
committed by
GitHub
GitHub
312 changed files with 13912 additions and 4732 deletions
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This template is not intended to be prescriptive, but to help us review pull requests it would be useful if you included as much of the following information as possible: |
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|
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- What does the pull request do? |
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- What is the current behavior? |
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- What is the updated/expected behavior with this PR? |
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- How was the solution implemented (if it's not obvious)? |
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|
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Checklist: |
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|
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- [ ] Added unit tests (if possible)? |
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- [ ] Added XML documentation to any related classes? |
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- [ ] Consider submitting a PR to https://github.com/AvaloniaUI/Avaloniaui.net with user documentation |
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|
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If the pull request fixes issue(s) list them like this: |
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Fixes #123 |
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Fixes #456 |
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@ -1,36 +0,0 @@ |
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</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Layout\Avalonia.Layout.csproj"> |
|||
<Project>{42472427-4774-4c81-8aff-9f27b8e31721}</Project> |
|||
<Name>Avalonia.Layout</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Logging.Serilog\Avalonia.Logging.Serilog.csproj"> |
|||
<Project>{B61B66A3-B82D-4875-8001-89D3394FE0C9}</Project> |
|||
<Name>Avalonia.Logging.Serilog</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Visuals\Avalonia.Visuals.csproj"> |
|||
<Project>{eb582467-6abb-43a1-b052-e981ba910e3a}</Project> |
|||
<Name>Avalonia.Visuals</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Styling\Avalonia.Styling.csproj"> |
|||
<Project>{F1BAA01A-F176-4C6A-B39D-5B40BB1B148F}</Project> |
|||
<Name>Avalonia.Styling</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Themes.Default\Avalonia.Themes.Default.csproj"> |
|||
<Project>{3E10A5FA-E8DA-48B1-AD44-6A5B6CB7750F}</Project> |
|||
<Name>Avalonia.Themes.Default</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Skia\Avalonia.Skia\Avalonia.Skia.csproj"> |
|||
<Project>{7d2d3083-71dd-4cc9-8907-39a0d86fb322}</Project> |
|||
<Name>Avalonia.Skia</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Windows\Avalonia.Direct2D1\Avalonia.Direct2D1.csproj" Condition="'$(Platform)'!='Mono'"> |
|||
<Project>{3E908F67-5543-4879-A1DC-08EACE79B3CD}</Project> |
|||
<Name>Avalonia.Direct2D1</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Windows\Avalonia.Win32\Avalonia.Win32.csproj" Condition="'$(Platform)'!='Mono'"> |
|||
<Project>{811A76CF-1CF6-440F-963B-BBE31BD72A82}</Project> |
|||
<Name>Avalonia.Win32</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\ControlCatalog\ControlCatalog.csproj"> |
|||
<Project>{d0a739b9-3c68-4ba6-a328-41606954b6bd}</Project> |
|||
<Name>ControlCatalog</Name> |
|||
</ProjectReference> |
|||
<Folder Include="Properties\" /> |
|||
</ItemGroup> |
|||
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" /> |
|||
|
|||
<Import Project="..\..\build\SampleApp.props" /> |
|||
<Import Project="..\..\build\Serilog.props" /> |
|||
<Import Project="..\..\build\SkiaSharp.props" /> |
|||
</Project> |
|||
@ -1,36 +0,0 @@ |
|||
using System.Reflection; |
|||
using System.Runtime.CompilerServices; |
|||
using System.Runtime.InteropServices; |
|||
|
|||
// General Information about an assembly is controlled through the following
|
|||
// set of attributes. Change these attribute values to modify the information
|
|||
// associated with an assembly.
|
|||
[assembly: AssemblyTitle("ControlCatalog.Desktop")] |
|||
[assembly: AssemblyDescription("")] |
|||
[assembly: AssemblyConfiguration("")] |
|||
[assembly: AssemblyCompany("")] |
|||
[assembly: AssemblyProduct("ControlCatalog.Desktop")] |
|||
[assembly: AssemblyCopyright("Copyright © 2016")] |
|||
[assembly: AssemblyTrademark("")] |
|||
[assembly: AssemblyCulture("")] |
|||
|
|||
// Setting ComVisible to false makes the types in this assembly not visible
|
|||
// to COM components. If you need to access a type in this assembly from
|
|||
// COM, set the ComVisible attribute to true on that type.
|
|||
[assembly: ComVisible(false)] |
|||
|
|||
// The following GUID is for the ID of the typelib if this project is exposed to COM
|
|||
[assembly: Guid("2b888490-d14a-4bca-ab4b-48676fa93c9b")] |
|||
|
|||
// Version information for an assembly consists of the following four values:
|
|||
//
|
|||
// Major Version
|
|||
// Minor Version
|
|||
// Build Number
|
|||
// Revision
|
|||
//
|
|||
// You can specify all the values or you can default the Build and Revision Numbers
|
|||
// by using the '*' as shown below:
|
|||
// [assembly: AssemblyVersion("1.0.*")]
|
|||
[assembly: AssemblyVersion("1.0.0.0")] |
|||
[assembly: AssemblyFileVersion("1.0.0.0")] |
|||
@ -1,6 +1,6 @@ |
|||
<Window xmlns="https://github.com/avaloniaui" MinWidth="500" MinHeight="300" |
|||
Title="Avalonia Control Gallery" |
|||
Icon="resm:ControlCatalog.Assets.test_icon.ico?assembly=ControlCatalog" |
|||
xmlns:local="clr-namespace:ControlCatalog;assembly=ControlCatalog"> |
|||
xmlns:local="clr-namespace:ControlCatalog"> |
|||
<local:MainView/> |
|||
</Window> |
|||
@ -0,0 +1,59 @@ |
|||
<UserControl xmlns="https://github.com/avaloniaui"> |
|||
<StackPanel Orientation="Vertical" Gap="4"> |
|||
<TextBlock Classes="h1">AutoCompleteBox</TextBlock> |
|||
<TextBlock Classes="h2">A control into which the user can input text</TextBlock> |
|||
|
|||
<StackPanel Orientation="Horizontal" |
|||
Margin="0,16,0,0" |
|||
HorizontalAlignment="Center" |
|||
Gap="8"> |
|||
<StackPanel Orientation="Vertical"> |
|||
<TextBlock Text="MinimumPrefixLength: 1"/> |
|||
<AutoCompleteBox Width="200" |
|||
Margin="0,0,0,8" |
|||
MinimumPrefixLength="1"/> |
|||
<TextBlock Text="MinimumPrefixLength: 3"/> |
|||
<AutoCompleteBox Width="200" |
|||
Margin="0,0,0,8" |
|||
MinimumPrefixLength="3"/> |
|||
<TextBlock Text="MinimumPopulateDelay: 1 Second"/> |
|||
<AutoCompleteBox Width="200" |
|||
Margin="0,0,0,8" |
|||
MinimumPopulateDelay="1"/> |
|||
<TextBlock Text="MaxDropDownHeight: 60"/> |
|||
<AutoCompleteBox Width="200" |
|||
Margin="0,0,0,8" |
|||
MaxDropDownHeight="60"/> |
|||
<AutoCompleteBox Width="200" |
|||
Margin="0,0,0,8" |
|||
Watermark="Watermark"/> |
|||
<TextBlock Text="Disabled"/> |
|||
<AutoCompleteBox Width="200" |
|||
IsEnabled="False"/> |
|||
</StackPanel> |
|||
|
|||
|
|||
<StackPanel Orientation="Vertical"> |
|||
|
|||
<TextBlock Text="ValueMemeberSelector"/> |
|||
<AutoCompleteBox Width="200" |
|||
Margin="0,0,0,8" |
|||
ValueMemberSelector="Capital"/> |
|||
<TextBlock Text="ValueMemberBinding"/> |
|||
<AutoCompleteBox Width="200" |
|||
Margin="0,0,0,8" |
|||
ValueMemberBinding="{Binding Capital}"/> |
|||
<TextBlock Text="Multi-Binding"/> |
|||
<AutoCompleteBox Name="MultiBindingBox" |
|||
Width="200" |
|||
Margin="0,0,0,8" |
|||
FilterMode="Contains"/> |
|||
<TextBlock Text="Async Populate"/> |
|||
<AutoCompleteBox Name="AsyncBox" |
|||
Width="200" |
|||
Margin="0,0,0,8" |
|||
FilterMode="None"/> |
|||
</StackPanel> |
|||
</StackPanel> |
|||
</StackPanel> |
|||
</UserControl> |
|||
@ -0,0 +1,143 @@ |
|||
using Avalonia.Controls; |
|||
using Avalonia.LogicalTree; |
|||
using Avalonia.Markup; |
|||
using Avalonia.Markup.Xaml; |
|||
using Avalonia.Markup.Xaml.Data; |
|||
using System; |
|||
using System.Collections.Generic; |
|||
using System.Linq; |
|||
using System.Threading; |
|||
using System.Threading.Tasks; |
|||
|
|||
namespace ControlCatalog.Pages |
|||
{ |
|||
public class AutoCompleteBoxPage : UserControl |
|||
{ |
|||
public class StateData |
|||
{ |
|||
public string Name { get; private set; } |
|||
public string Abbreviation { get; private set; } |
|||
public string Capital { get; private set; } |
|||
|
|||
public StateData(string name, string abbreviatoin, string capital) |
|||
{ |
|||
Name = name; |
|||
Abbreviation = abbreviatoin; |
|||
Capital = capital; |
|||
} |
|||
|
|||
public override string ToString() |
|||
{ |
|||
return Name; |
|||
} |
|||
} |
|||
|
|||
private StateData[] BuildAllStates() |
|||
{ |
|||
return new StateData[] |
|||
{ |
|||
new StateData("Alabama","AL","Montgomery"), |
|||
new StateData("Alaska","AK","Juneau"), |
|||
new StateData("Arizona","AZ","Phoenix"), |
|||
new StateData("Arkansas","AR","Little Rock"), |
|||
new StateData("California","CA","Sacramento"), |
|||
new StateData("Colorado","CO","Denver"), |
|||
new StateData("Connecticut","CT","Hartford"), |
|||
new StateData("Delaware","DE","Dover"), |
|||
new StateData("Florida","FL","Tallahassee"), |
|||
new StateData("Georgia","GA","Atlanta"), |
|||
new StateData("Hawaii","HI","Honolulu"), |
|||
new StateData("Idaho","ID","Boise"), |
|||
new StateData("Illinois","IL","Springfield"), |
|||
new StateData("Indiana","IN","Indianapolis"), |
|||
new StateData("Iowa","IA","Des Moines"), |
|||
new StateData("Kansas","KS","Topeka"), |
|||
new StateData("Kentucky","KY","Frankfort"), |
|||
new StateData("Louisiana","LA","Baton Rouge"), |
|||
new StateData("Maine","ME","Augusta"), |
|||
new StateData("Maryland","MD","Annapolis"), |
|||
new StateData("Massachusetts","MA","Boston"), |
|||
new StateData("Michigan","MI","Lansing"), |
|||
new StateData("Minnesota","MN","St. Paul"), |
|||
new StateData("Mississippi","MS","Jackson"), |
|||
new StateData("Missouri","MO","Jefferson City"), |
|||
new StateData("Montana","MT","Helena"), |
|||
new StateData("Nebraska","NE","Lincoln"), |
|||
new StateData("Nevada","NV","Carson City"), |
|||
new StateData("New Hampshire","NH","Concord"), |
|||
new StateData("New Jersey","NJ","Trenton"), |
|||
new StateData("New Mexico","NM","Santa Fe"), |
|||
new StateData("New York","NY","Albany"), |
|||
new StateData("North Carolina","NC","Raleigh"), |
|||
new StateData("North Dakota","ND","Bismarck"), |
|||
new StateData("Ohio","OH","Columbus"), |
|||
new StateData("Oklahoma","OK","Oklahoma City"), |
|||
new StateData("Oregon","OR","Salem"), |
|||
new StateData("Pennsylvania","PA","Harrisburg"), |
|||
new StateData("Rhode Island","RI","Providence"), |
|||
new StateData("South Carolina","SC","Columbia"), |
|||
new StateData("South Dakota","SD","Pierre"), |
|||
new StateData("Tennessee","TN","Nashville"), |
|||
new StateData("Texas","TX","Austin"), |
|||
new StateData("Utah","UT","Salt Lake City"), |
|||
new StateData("Vermont","VT","Montpelier"), |
|||
new StateData("Virginia","VA","Richmond"), |
|||
new StateData("Washington","WA","Olympia"), |
|||
new StateData("West Virginia","WV","Charleston"), |
|||
new StateData("Wisconsin","WI","Madison"), |
|||
new StateData("Wyoming","WY","Cheyenne"), |
|||
}; |
|||
} |
|||
public StateData[] States { get; private set; } |
|||
|
|||
public AutoCompleteBoxPage() |
|||
{ |
|||
this.InitializeComponent(); |
|||
|
|||
States = BuildAllStates(); |
|||
|
|||
foreach (AutoCompleteBox box in GetAllAutoCompleteBox()) |
|||
{ |
|||
box.Items = States; |
|||
} |
|||
|
|||
var converter = new FuncMultiValueConverter<string, string>(parts => |
|||
{ |
|||
return String.Format("{0} ({1})", parts.ToArray()); |
|||
}); |
|||
var binding = new MultiBinding { Converter = converter }; |
|||
binding.Bindings.Add(new Binding("Name")); |
|||
binding.Bindings.Add(new Binding("Abbreviation")); |
|||
|
|||
var multibindingBox = this.FindControl<AutoCompleteBox>("MultiBindingBox"); |
|||
multibindingBox.ValueMemberBinding = binding; |
|||
|
|||
var asyncBox = this.FindControl<AutoCompleteBox>("AsyncBox"); |
|||
asyncBox.AsyncPopulator = PopulateAsync; |
|||
} |
|||
private IEnumerable<AutoCompleteBox> GetAllAutoCompleteBox() |
|||
{ |
|||
return |
|||
this.GetLogicalDescendants() |
|||
.OfType<AutoCompleteBox>(); |
|||
} |
|||
|
|||
private bool StringContains(string str, string query) |
|||
{ |
|||
return str.IndexOf(query, StringComparison.OrdinalIgnoreCase) >= 0; |
|||
} |
|||
private async Task<IEnumerable<object>> PopulateAsync(string searchText, CancellationToken cancellationToken) |
|||
{ |
|||
await Task.Delay(TimeSpan.FromSeconds(1.5), cancellationToken); |
|||
|
|||
return |
|||
States.Where(data => StringContains(data.Name, searchText) || StringContains(data.Capital, searchText)) |
|||
.ToList(); |
|||
} |
|||
|
|||
private void InitializeComponent() |
|||
{ |
|||
AvaloniaXamlLoader.Load(this); |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,24 @@ |
|||
<UserControl xmlns="https://github.com/avaloniaui" |
|||
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> |
|||
|
|||
<StackPanel Orientation="Vertical" Gap="4"> |
|||
<TextBlock Classes="h1">ButtonSpinner</TextBlock> |
|||
<TextBlock Classes="h2">The ButtonSpinner control allows you to add button spinners to any element and then respond to the Spin event to manipulate that element.</TextBlock> |
|||
|
|||
<StackPanel Orientation="Vertical" Gap="8" Width="200" Margin="0,20,0,0"> |
|||
<CheckBox Name="allowSpinCheck" IsChecked="True">AllowSpin</CheckBox> |
|||
<CheckBox Name="showSpinCheck" IsChecked="True">ShowButtonSpinner</CheckBox> |
|||
<ButtonSpinner Spin="OnSpin" Height="30" |
|||
AllowSpin="{Binding #allowSpinCheck.IsChecked}" |
|||
ShowButtonSpinner="{Binding #showSpinCheck.IsChecked}"> |
|||
<TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Text="Everest"/> |
|||
</ButtonSpinner> |
|||
<ButtonSpinner Spin="OnSpin" Height="30" ButtonSpinnerLocation="Left" |
|||
AllowSpin="{Binding #allowSpinCheck.IsChecked}" |
|||
ShowButtonSpinner="{Binding #showSpinCheck.IsChecked}"> |
|||
<TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Text="Everest"/> |
|||
</ButtonSpinner> |
|||
</StackPanel> |
|||
</StackPanel> |
|||
|
|||
</UserControl> |
|||
@ -0,0 +1,54 @@ |
|||
using System; |
|||
using Avalonia; |
|||
using Avalonia.Controls; |
|||
using Avalonia.Interactivity; |
|||
using Avalonia.Markup.Xaml; |
|||
|
|||
namespace ControlCatalog.Pages |
|||
{ |
|||
public class ButtonSpinnerPage : UserControl |
|||
{ |
|||
public ButtonSpinnerPage() |
|||
{ |
|||
this.InitializeComponent(); |
|||
} |
|||
|
|||
private void InitializeComponent() |
|||
{ |
|||
AvaloniaXamlLoader.Load(this); |
|||
} |
|||
|
|||
private void OnSpin(object sender, SpinEventArgs e) |
|||
{ |
|||
var spinner = (ButtonSpinner)sender; |
|||
var txtBox = (TextBlock)spinner.Content; |
|||
|
|||
int value = Array.IndexOf(_mountains, txtBox.Text); |
|||
if (e.Direction == SpinDirection.Increase) |
|||
value++; |
|||
else |
|||
value--; |
|||
|
|||
if (value < 0) |
|||
value = _mountains.Length - 1; |
|||
else if (value >= _mountains.Length) |
|||
value = 0; |
|||
|
|||
txtBox.Text = _mountains[value]; |
|||
} |
|||
|
|||
private readonly string[] _mountains = new[] |
|||
{ |
|||
"Everest", |
|||
"K2 (Mount Godwin Austen)", |
|||
"Kangchenjunga", |
|||
"Lhotse", |
|||
"Makalu", |
|||
"Cho Oyu", |
|||
"Dhaulagiri", |
|||
"Manaslu", |
|||
"Nanga Parbat", |
|||
"Annapurna" |
|||
}; |
|||
} |
|||
} |
|||
@ -0,0 +1,19 @@ |
|||
<UserControl xmlns="https://github.com/avaloniaui"> |
|||
<StackPanel Orientation="Vertical" Gap="4"> |
|||
<TextBlock Classes="h1">Drag+Drop</TextBlock> |
|||
<TextBlock Classes="h2">Example of Drag+Drop capabilities</TextBlock> |
|||
|
|||
<StackPanel Orientation="Horizontal" |
|||
Margin="0,16,0,0" |
|||
HorizontalAlignment="Center" |
|||
Gap="16"> |
|||
<Border BorderBrush="{DynamicResource ThemeAccentBrush}" BorderThickness="2" Padding="16" Name="DragMe"> |
|||
<TextBlock Name="DragState">Drag Me</TextBlock> |
|||
</Border> |
|||
<Border Background="{DynamicResource ThemeAccentBrush2}" Padding="16" |
|||
DragDrop.AllowDrop="True"> |
|||
<TextBlock Name="DropState">Drop some text or files here</TextBlock> |
|||
</Border> |
|||
</StackPanel> |
|||
</StackPanel> |
|||
</UserControl> |
|||
@ -0,0 +1,71 @@ |
|||
using Avalonia.Controls; |
|||
using Avalonia.Input; |
|||
using Avalonia.Markup.Xaml; |
|||
using System; |
|||
using System.Collections.Generic; |
|||
using System.Text; |
|||
|
|||
namespace ControlCatalog.Pages |
|||
{ |
|||
public class DragAndDropPage : UserControl |
|||
{ |
|||
private TextBlock _DropState; |
|||
private TextBlock _DragState; |
|||
private Border _DragMe; |
|||
private int DragCount = 0; |
|||
|
|||
public DragAndDropPage() |
|||
{ |
|||
this.InitializeComponent(); |
|||
|
|||
_DragMe.PointerPressed += DoDrag; |
|||
|
|||
AddHandler(DragDrop.DropEvent, Drop); |
|||
AddHandler(DragDrop.DragOverEvent, DragOver); |
|||
} |
|||
|
|||
private async void DoDrag(object sender, Avalonia.Input.PointerPressedEventArgs e) |
|||
{ |
|||
DataObject dragData = new DataObject(); |
|||
dragData.Set(DataFormats.Text, $"You have dragged text {++DragCount} times"); |
|||
|
|||
var result = await DragDrop.DoDragDrop(dragData, DragDropEffects.Copy); |
|||
switch(result) |
|||
{ |
|||
case DragDropEffects.Copy: |
|||
_DragState.Text = "The text was copied"; break; |
|||
case DragDropEffects.Link: |
|||
_DragState.Text = "The text was linked"; break; |
|||
case DragDropEffects.None: |
|||
_DragState.Text = "The drag operation was canceled"; break; |
|||
} |
|||
} |
|||
|
|||
private void DragOver(object sender, DragEventArgs e) |
|||
{ |
|||
// Only allow Copy or Link as Drop Operations.
|
|||
e.DragEffects = e.DragEffects & (DragDropEffects.Copy | DragDropEffects.Link); |
|||
|
|||
// Only allow if the dragged data contains text or filenames.
|
|||
if (!e.Data.Contains(DataFormats.Text) && !e.Data.Contains(DataFormats.FileNames)) |
|||
e.DragEffects = DragDropEffects.None; |
|||
} |
|||
|
|||
private void Drop(object sender, DragEventArgs e) |
|||
{ |
|||
if (e.Data.Contains(DataFormats.Text)) |
|||
_DropState.Text = e.Data.GetText(); |
|||
else if (e.Data.Contains(DataFormats.FileNames)) |
|||
_DropState.Text = string.Join(Environment.NewLine, e.Data.GetFileNames()); |
|||
} |
|||
|
|||
private void InitializeComponent() |
|||
{ |
|||
AvaloniaXamlLoader.Load(this); |
|||
|
|||
_DropState = this.Find<TextBlock>("DropState"); |
|||
_DragState = this.Find<TextBlock>("DragState"); |
|||
_DragMe = this.Find<Border>("DragMe"); |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,80 @@ |
|||
<UserControl xmlns="https://github.com/avaloniaui" |
|||
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> |
|||
<StackPanel Orientation="Vertical" Gap="4"> |
|||
<TextBlock Margin="2" Classes="h1">Numeric up-down control</TextBlock> |
|||
<TextBlock Margin="2" Classes="h2" TextWrapping="Wrap">Numeric up-down control provides a TextBox with button spinners that allow incrementing and decrementing numeric values by using the spinner buttons, keyboard up/down arrows, or mouse wheel.</TextBlock> |
|||
|
|||
<TextBlock Margin="2,5,2,2" FontSize="14" FontWeight="Bold">Features:</TextBlock> |
|||
<Grid Margin="2" ColumnDefinitions="Auto,Auto,Auto,Auto" RowDefinitions="Auto,Auto"> |
|||
<Grid Grid.Row="0" Grid.Column="0" ColumnDefinitions="Auto, Auto" RowDefinitions="35,35,35,35,35"> |
|||
<TextBlock Grid.Row="0" Grid.Column="0" VerticalAlignment="Center" Margin="2">ShowButtonSpinner:</TextBlock> |
|||
<CheckBox Grid.Row="0" Grid.Column="1" IsChecked="{Binding #upDown.ShowButtonSpinner}" VerticalAlignment="Center" Margin="2"/> |
|||
|
|||
<TextBlock Grid.Row="1" Grid.Column="0" VerticalAlignment="Center" Margin="2">IsReadOnly:</TextBlock> |
|||
<CheckBox Grid.Row="1" Grid.Column="1" IsChecked="{Binding #upDown.IsReadOnly}" VerticalAlignment="Center" Margin="2"/> |
|||
|
|||
<TextBlock Grid.Row="2" Grid.Column="0" VerticalAlignment="Center" Margin="2">AllowSpin:</TextBlock> |
|||
<CheckBox Grid.Row="2" Grid.Column="1" IsChecked="{Binding #upDown.AllowSpin}" IsEnabled="{Binding #upDown.!IsReadOnly}" VerticalAlignment="Center" Margin="2"/> |
|||
|
|||
<TextBlock Grid.Row="3" Grid.Column="0" VerticalAlignment="Center" Margin="2">ClipValueToMinMax:</TextBlock> |
|||
<CheckBox Grid.Row="3" Grid.Column="1" IsChecked="{Binding #upDown.ClipValueToMinMax}" VerticalAlignment="Center" Margin="2"/> |
|||
|
|||
</Grid> |
|||
<Grid Grid.Row="0" Grid.Column="1" Margin="10,2,2,2" ColumnDefinitions="Auto, 120" RowDefinitions="35,35,35,35,35"> |
|||
<TextBlock Grid.Row="0" Grid.Column="0" VerticalAlignment="Center" Margin="2">FormatString:</TextBlock> |
|||
<DropDown Grid.Row="0" Grid.Column="1" Items="{Binding Formats}" SelectedItem="{Binding SelectedFormat}" |
|||
VerticalAlignment="Center" Margin="2"> |
|||
<DropDown.ItemTemplate> |
|||
<DataTemplate> |
|||
<StackPanel Orientation="Horizontal" Gap="2"> |
|||
<TextBlock Text="{Binding Name}"/> |
|||
<TextBlock Text="-"/> |
|||
<TextBlock Text="{Binding Value}"/> |
|||
</StackPanel> |
|||
</DataTemplate> |
|||
</DropDown.ItemTemplate> |
|||
</DropDown> |
|||
|
|||
<TextBlock Grid.Row="1" Grid.Column="0" VerticalAlignment="Center" Margin="2">ButtonSpinnerLocation:</TextBlock> |
|||
<DropDown Grid.Row="1" Grid.Column="1" Items="{Binding SpinnerLocations}" SelectedItem="{Binding #upDown.ButtonSpinnerLocation}" |
|||
VerticalAlignment="Center" Margin="2"/> |
|||
|
|||
<TextBlock Grid.Row="2" Grid.Column="0" VerticalAlignment="Center" Margin="2">CultureInfo:</TextBlock> |
|||
<DropDown Grid.Row="2" Grid.Column="1" Items="{Binding Cultures}" SelectedItem="{Binding #upDown.CultureInfo}" |
|||
VerticalAlignment="Center" Margin="2"/> |
|||
|
|||
<TextBlock Grid.Row="3" Grid.Column="0" VerticalAlignment="Center" Margin="2">Watermark:</TextBlock> |
|||
<TextBox Grid.Row="3" Grid.Column="1" Text="{Binding #upDown.Watermark}" VerticalAlignment="Center" Margin="2" /> |
|||
|
|||
<TextBlock Grid.Row="4" Grid.Column="0" VerticalAlignment="Center" Margin="2">Text:</TextBlock> |
|||
<TextBox Grid.Row="4" Grid.Column="1" Text="{Binding #upDown.Text}" VerticalAlignment="Center" Margin="2" /> |
|||
</Grid> |
|||
<Grid Grid.Row="0" Grid.Column="2" Margin="10,2,2,2" RowDefinitions="35,35,35,35,35" ColumnDefinitions="Auto, 120"> |
|||
<TextBlock Grid.Row="0" Grid.Column="0" VerticalAlignment="Center" Margin="10,2,2,2">Minimum:</TextBlock> |
|||
<NumericUpDown Grid.Row="0" Grid.Column="1" Value="{Binding #upDown.Minimum}" |
|||
CultureInfo="{Binding #upDown.CultureInfo}" VerticalAlignment="Center" Height="25" Margin="2" Width="70" HorizontalAlignment="Center"/> |
|||
|
|||
<TextBlock Grid.Row="1" Grid.Column="0" VerticalAlignment="Center" Margin="10,2,2,2">Maximum:</TextBlock> |
|||
<NumericUpDown Grid.Row="1" Grid.Column="1" Value="{Binding #upDown.Maximum}" |
|||
CultureInfo="{Binding #upDown.CultureInfo}" VerticalAlignment="Center" Height="25" Margin="2" Width="70" HorizontalAlignment="Center"/> |
|||
|
|||
<TextBlock Grid.Row="2" Grid.Column="0" VerticalAlignment="Center" Margin="10,2,2,2">Increment:</TextBlock> |
|||
<NumericUpDown Grid.Row="2" Grid.Column="1" Value="{Binding #upDown.Increment}" VerticalAlignment="Center" |
|||
Height="25" Margin="2" Width="70" HorizontalAlignment="Center"/> |
|||
|
|||
<TextBlock Grid.Row="3" Grid.Column="0" VerticalAlignment="Center" Margin="10,2,2,2">Value:</TextBlock> |
|||
<NumericUpDown Grid.Row="3" Grid.Column="1" Value="{Binding #upDown.Value}" VerticalAlignment="Center" |
|||
Height="25" Margin="2" Width="70" HorizontalAlignment="Center"/> |
|||
|
|||
</Grid> |
|||
</Grid> |
|||
|
|||
<StackPanel Margin="2,10,2,2" Orientation="Horizontal" Gap="10"> |
|||
<TextBlock FontSize="14" FontWeight="Bold" VerticalAlignment="Center">Usage of NumericUpDown:</TextBlock> |
|||
<NumericUpDown Name="upDown" Minimum="0" Maximum="10" Increment="0.5" |
|||
CultureInfo="en-US" VerticalAlignment="Center" Height="25" Width="100" |
|||
Watermark="Enter text" FormatString="{Binding SelectedFormat.Value}"/> |
|||
</StackPanel> |
|||
|
|||
</StackPanel> |
|||
</UserControl> |
|||
@ -0,0 +1,94 @@ |
|||
using System; |
|||
using System.Collections.Generic; |
|||
using System.Globalization; |
|||
using System.Linq; |
|||
using Avalonia; |
|||
using Avalonia.Controls; |
|||
using Avalonia.Controls.Primitives; |
|||
using Avalonia.Markup.Xaml; |
|||
using ReactiveUI; |
|||
|
|||
namespace ControlCatalog.Pages |
|||
{ |
|||
public class NumericUpDownPage : UserControl |
|||
{ |
|||
public NumericUpDownPage() |
|||
{ |
|||
this.InitializeComponent(); |
|||
var viewModel = new NumbersPageViewModel(); |
|||
DataContext = viewModel; |
|||
} |
|||
|
|||
private void InitializeComponent() |
|||
{ |
|||
AvaloniaXamlLoader.Load(this); |
|||
} |
|||
|
|||
} |
|||
|
|||
public class NumbersPageViewModel : ReactiveObject |
|||
{ |
|||
private IList<FormatObject> _formats; |
|||
private FormatObject _selectedFormat; |
|||
private IList<Location> _spinnerLocations; |
|||
|
|||
public NumbersPageViewModel() |
|||
{ |
|||
SelectedFormat = Formats.FirstOrDefault(); |
|||
} |
|||
|
|||
public IList<FormatObject> Formats |
|||
{ |
|||
get |
|||
{ |
|||
return _formats ?? (_formats = new List<FormatObject>() |
|||
{ |
|||
new FormatObject() {Name = "Currency", Value = "C2"}, |
|||
new FormatObject() {Name = "Fixed point", Value = "F2"}, |
|||
new FormatObject() {Name = "General", Value = "G"}, |
|||
new FormatObject() {Name = "Number", Value = "N"}, |
|||
new FormatObject() {Name = "Percent", Value = "P"}, |
|||
new FormatObject() {Name = "Degrees", Value = "{0:N2} °"}, |
|||
}); |
|||
} |
|||
} |
|||
|
|||
public IList<Location> SpinnerLocations |
|||
{ |
|||
get |
|||
{ |
|||
if (_spinnerLocations == null) |
|||
{ |
|||
_spinnerLocations = new List<Location>(); |
|||
foreach (Location value in Enum.GetValues(typeof(Location))) |
|||
{ |
|||
_spinnerLocations.Add(value); |
|||
} |
|||
} |
|||
return _spinnerLocations ; |
|||
} |
|||
} |
|||
|
|||
public IList<CultureInfo> Cultures { get; } = new List<CultureInfo>() |
|||
{ |
|||
new CultureInfo("en-US"), |
|||
new CultureInfo("en-GB"), |
|||
new CultureInfo("fr-FR"), |
|||
new CultureInfo("ar-DZ"), |
|||
new CultureInfo("zh-CN"), |
|||
new CultureInfo("cs-CZ") |
|||
}; |
|||
|
|||
public FormatObject SelectedFormat |
|||
{ |
|||
get { return _selectedFormat; } |
|||
set { this.RaiseAndSetIfChanged(ref _selectedFormat, value); } |
|||
} |
|||
} |
|||
|
|||
public class FormatObject |
|||
{ |
|||
public string Value { get; set; } |
|||
public string Name { get; set; } |
|||
} |
|||
} |
|||
@ -1,36 +0,0 @@ |
|||
using System.Reflection; |
|||
using System.Runtime.CompilerServices; |
|||
using System.Runtime.InteropServices; |
|||
|
|||
// General Information about an assembly is controlled through the following
|
|||
// set of attributes. Change these attribute values to modify the information
|
|||
// associated with an assembly.
|
|||
[assembly: AssemblyTitle("ControlCatalog")] |
|||
[assembly: AssemblyDescription("")] |
|||
[assembly: AssemblyConfiguration("")] |
|||
[assembly: AssemblyCompany("")] |
|||
[assembly: AssemblyProduct("ControlCatalog")] |
|||
[assembly: AssemblyCopyright("Copyright © 2015")] |
|||
[assembly: AssemblyTrademark("")] |
|||
[assembly: AssemblyCulture("")] |
|||
|
|||
// Setting ComVisible to false makes the types in this assembly not visible
|
|||
// to COM components. If you need to access a type in this assembly from
|
|||
// COM, set the ComVisible attribute to true on that type.
|
|||
[assembly: ComVisible(false)] |
|||
|
|||
// The following GUID is for the ID of the typelib if this project is exposed to COM
|
|||
[assembly: Guid("61bec86c-f307-4295-b5b8-9428610d7d55")] |
|||
|
|||
// Version information for an assembly consists of the following four values:
|
|||
//
|
|||
// Major Version
|
|||
// Minor Version
|
|||
// Build Number
|
|||
// Revision
|
|||
//
|
|||
// You can specify all the values or you can default the Build and Revision Numbers
|
|||
// by using the '*' as shown below:
|
|||
// [assembly: AssemblyVersion("1.0.*")]
|
|||
[assembly: AssemblyVersion("1.0.0.0")] |
|||
[assembly: AssemblyFileVersion("1.0.0.0")] |
|||
@ -0,0 +1,3 @@ |
|||
<Project> |
|||
<Import Project="..\build\SharedVersion.props" /> |
|||
</Project> |
|||
@ -1,36 +0,0 @@ |
|||
using System.Reflection; |
|||
using System.Runtime.CompilerServices; |
|||
using System.Runtime.InteropServices; |
|||
|
|||
// General Information about an assembly is controlled through the following
|
|||
// set of attributes. Change these attribute values to modify the information
|
|||
// associated with an assembly.
|
|||
[assembly: AssemblyTitle("RenderTest")] |
|||
[assembly: AssemblyDescription("")] |
|||
[assembly: AssemblyConfiguration("")] |
|||
[assembly: AssemblyCompany("")] |
|||
[assembly: AssemblyProduct("RenderTest")] |
|||
[assembly: AssemblyCopyright("Copyright © 2016")] |
|||
[assembly: AssemblyTrademark("")] |
|||
[assembly: AssemblyCulture("")] |
|||
|
|||
// Setting ComVisible to false makes the types in this assembly not visible
|
|||
// to COM components. If you need to access a type in this assembly from
|
|||
// COM, set the ComVisible attribute to true on that type.
|
|||
[assembly: ComVisible(false)] |
|||
|
|||
// The following GUID is for the ID of the typelib if this project is exposed to COM
|
|||
[assembly: Guid("f1fdc5b0-4654-416f-ae69-e3e9bbd87801")] |
|||
|
|||
// Version information for an assembly consists of the following four values:
|
|||
//
|
|||
// Major Version
|
|||
// Minor Version
|
|||
// Build Number
|
|||
// Revision
|
|||
//
|
|||
// You can specify all the values or you can default the Build and Revision Numbers
|
|||
// by using the '*' as shown below:
|
|||
// [assembly: AssemblyVersion("1.0.*")]
|
|||
[assembly: AssemblyVersion("1.0.0.0")] |
|||
[assembly: AssemblyFileVersion("1.0.0.0")] |
|||
@ -1,184 +1,33 @@ |
|||
<?xml version="1.0" encoding="utf-8"?> |
|||
<Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> |
|||
<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" /> |
|||
<Project Sdk="Microsoft.NET.Sdk"> |
|||
<PropertyGroup> |
|||
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> |
|||
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> |
|||
<ProjectGuid>{F1FDC5B0-4654-416F-AE69-E3E9BBD87801}</ProjectGuid> |
|||
<OutputType>WinExe</OutputType> |
|||
<AppDesignerFolder>Properties</AppDesignerFolder> |
|||
<RootNamespace>RenderTest</RootNamespace> |
|||
<AssemblyName>RenderTest</AssemblyName> |
|||
<TargetFrameworkVersion>v4.7</TargetFrameworkVersion> |
|||
<FileAlignment>512</FileAlignment> |
|||
<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects> |
|||
<TargetFrameworkProfile /> |
|||
<OutputType>Exe</OutputType> |
|||
<TargetFrameworks>netcoreapp2.0;net461</TargetFrameworks> |
|||
</PropertyGroup> |
|||
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> |
|||
<PlatformTarget>AnyCPU</PlatformTarget> |
|||
<DebugSymbols>true</DebugSymbols> |
|||
<DebugType>full</DebugType> |
|||
<Optimize>false</Optimize> |
|||
<OutputPath>bin\Debug\</OutputPath> |
|||
<DefineConstants>DEBUG;TRACE</DefineConstants> |
|||
<ErrorReport>prompt</ErrorReport> |
|||
<WarningLevel>4</WarningLevel> |
|||
</PropertyGroup> |
|||
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> |
|||
<PlatformTarget>AnyCPU</PlatformTarget> |
|||
<DebugType>pdbonly</DebugType> |
|||
<Optimize>true</Optimize> |
|||
<OutputPath>bin\Release\</OutputPath> |
|||
<DefineConstants>TRACE</DefineConstants> |
|||
<ErrorReport>prompt</ErrorReport> |
|||
<WarningLevel>4</WarningLevel> |
|||
</PropertyGroup> |
|||
<PropertyGroup> |
|||
<StartupObject /> |
|||
</PropertyGroup> |
|||
<ItemGroup> |
|||
<Reference Include="System" /> |
|||
<Reference Include="System.Core" /> |
|||
<Reference Include="System.Xml.Linq" /> |
|||
<Reference Include="System.Data.DataSetExtensions" /> |
|||
<Reference Include="Microsoft.CSharp" /> |
|||
<Reference Include="System.Data" /> |
|||
<Reference Include="System.Net.Http" /> |
|||
<Reference Include="System.Xml" /> |
|||
<Reference Include="WindowsBase" /> |
|||
</ItemGroup> |
|||
<ItemGroup> |
|||
<Compile Include="App.xaml.cs"> |
|||
<DependentUpon>App.xaml</DependentUpon> |
|||
</Compile> |
|||
<Compile Include="Pages\DrawingPage.xaml.cs"> |
|||
<DependentUpon>DrawingPage.xaml</DependentUpon> |
|||
</Compile> |
|||
<Compile Include="Pages\ClippingPage.xaml.cs"> |
|||
<DependentUpon>ClippingPage.xaml</DependentUpon> |
|||
</Compile> |
|||
<Compile Include="Pages\AnimationsPage.xaml.cs"> |
|||
<DependentUpon>AnimationsPage.xaml</DependentUpon> |
|||
</Compile> |
|||
<Compile Include="Program.cs" /> |
|||
<Compile Include="Properties\AssemblyInfo.cs" /> |
|||
<Compile Include="MainWindow.xaml.cs"> |
|||
<DependentUpon>MainWindow.xaml</DependentUpon> |
|||
</Compile> |
|||
<Compile Include="ViewModels\MainWindowViewModel.cs" /> |
|||
</ItemGroup> |
|||
<ItemGroup> |
|||
<None Include="App.config" /> |
|||
</ItemGroup> |
|||
<ItemGroup> |
|||
<EmbeddedResource Include="App.xaml"> |
|||
<SubType>Designer</SubType> |
|||
</EmbeddedResource> |
|||
</ItemGroup> |
|||
<ItemGroup> |
|||
<ProjectReference Include="..\..\src\Avalonia.Animation\Avalonia.Animation.csproj"> |
|||
<Project>{d211e587-d8bc-45b9-95a4-f297c8fa5200}</Project> |
|||
<Name>Avalonia.Animation</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Base\Avalonia.Base.csproj"> |
|||
<Project>{b09b78d8-9b26-48b0-9149-d64a2f120f3f}</Project> |
|||
<Name>Avalonia.Base</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Controls\Avalonia.Controls.csproj"> |
|||
<Project>{d2221c82-4a25-4583-9b43-d791e3f6820c}</Project> |
|||
<Name>Avalonia.Controls</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.DesignerSupport\Avalonia.DesignerSupport.csproj"> |
|||
<Project>{799a7bb5-3c2c-48b6-85a7-406a12c420da}</Project> |
|||
<Name>Avalonia.DesignerSupport</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Diagnostics\Avalonia.Diagnostics.csproj"> |
|||
<Project>{7062ae20-5dcc-4442-9645-8195bdece63e}</Project> |
|||
<Name>Avalonia.Diagnostics</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.DotNetFrameworkRuntime\Avalonia.DotNetFrameworkRuntime.csproj"> |
|||
<Project>{4a1abb09-9047-4bd5-a4ad-a055e52c5ee0}</Project> |
|||
<Name>Avalonia.DotNetFrameworkRuntime</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Input\Avalonia.Input.csproj"> |
|||
<Project>{62024b2d-53eb-4638-b26b-85eeaa54866e}</Project> |
|||
<Name>Avalonia.Input</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Interactivity\Avalonia.Interactivity.csproj"> |
|||
<Project>{6b0ed19d-a08b-461c-a9d9-a9ee40b0c06b}</Project> |
|||
<Name>Avalonia.Interactivity</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Layout\Avalonia.Layout.csproj"> |
|||
<Project>{42472427-4774-4c81-8aff-9f27b8e31721}</Project> |
|||
<Name>Avalonia.Layout</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Logging.Serilog\Avalonia.Logging.Serilog.csproj"> |
|||
<Project>{b61b66a3-b82d-4875-8001-89d3394fe0c9}</Project> |
|||
<Name>Avalonia.Logging.Serilog</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.ReactiveUI\Avalonia.ReactiveUI.csproj"> |
|||
<Project>{6417b24e-49c2-4985-8db2-3ab9d898ec91}</Project> |
|||
<Name>Avalonia.ReactiveUI</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Visuals\Avalonia.Visuals.csproj"> |
|||
<Project>{eb582467-6abb-43a1-b052-e981ba910e3a}</Project> |
|||
<Name>Avalonia.Visuals</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Styling\Avalonia.Styling.csproj"> |
|||
<Project>{f1baa01a-f176-4c6a-b39d-5b40bb1b148f}</Project> |
|||
<Name>Avalonia.Styling</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Themes.Default\Avalonia.Themes.Default.csproj"> |
|||
<Project>{3e10a5fa-e8da-48b1-ad44-6a5b6cb7750f}</Project> |
|||
<Name>Avalonia.Themes.Default</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Markup\Avalonia.Markup.Xaml\Avalonia.Markup.Xaml.csproj"> |
|||
<Project>{3e53a01a-b331-47f3-b828-4a5717e77a24}</Project> |
|||
<Name>Avalonia.Markup.Xaml</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Markup\Avalonia.Markup\Avalonia.Markup.csproj"> |
|||
<Project>{6417e941-21bc-467b-a771-0de389353ce6}</Project> |
|||
<Name>Avalonia.Markup</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Skia\Avalonia.Skia\Avalonia.Skia.csproj"> |
|||
<Project>{7d2d3083-71dd-4cc9-8907-39a0d86fb322}</Project> |
|||
<Name>Avalonia.Skia</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Windows\Avalonia.Direct2D1\Avalonia.Direct2D1.csproj"> |
|||
<Project>{3e908f67-5543-4879-a1dc-08eace79b3cd}</Project> |
|||
<Name>Avalonia.Direct2D1</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Windows\Avalonia.Win32\Avalonia.Win32.csproj"> |
|||
<Project>{811a76cf-1cf6-440f-963b-bbe31bd72a82}</Project> |
|||
<Name>Avalonia.Win32</Name> |
|||
</ProjectReference> |
|||
</ItemGroup> |
|||
<ItemGroup> |
|||
<EmbeddedResource Include="MainWindow.xaml"> |
|||
<SubType>Designer</SubType> |
|||
</EmbeddedResource> |
|||
</ItemGroup> |
|||
<ItemGroup> |
|||
<EmbeddedResource Include="SideBar.xaml"> |
|||
<SubType>Designer</SubType> |
|||
</EmbeddedResource> |
|||
</ItemGroup> |
|||
<ItemGroup> |
|||
<EmbeddedResource Include="Pages\AnimationsPage.xaml"> |
|||
<SubType>Designer</SubType> |
|||
</EmbeddedResource> |
|||
</ItemGroup> |
|||
<ItemGroup> |
|||
<EmbeddedResource Include="Pages\ClippingPage.xaml"> |
|||
<SubType>Designer</SubType> |
|||
</EmbeddedResource> |
|||
</ItemGroup> |
|||
<ItemGroup> |
|||
<EmbeddedResource Include="Pages\DrawingPage.xaml"> |
|||
<SubType>Designer</SubType> |
|||
</EmbeddedResource> |
|||
</ItemGroup> |
|||
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.DesignerSupport\Avalonia.DesignerSupport.csproj" /> |
|||
|
|||
<ProjectReference Condition="'$(TargetFramework)'=='netcoreapp2.0'" Include="..\..\src\Avalonia.DotNetCoreRuntime\Avalonia.DotNetCoreRuntime.csproj" /> |
|||
|
|||
<ProjectReference Condition="'$(TargetFramework)'=='net461'" Include="..\..\src\Avalonia.DotNetFrameworkRuntime\Avalonia.DotNetFrameworkRuntime.csproj" /> |
|||
|
|||
<ProjectReference Include="..\..\src\Linux\Avalonia.LinuxFramebuffer\Avalonia.LinuxFramebuffer.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Base\Avalonia.Base.csproj" /> |
|||
<ProjectReference Include="..\..\src\Markup\Avalonia.Markup.Xaml\Avalonia.Markup.Xaml.csproj" /> |
|||
<ProjectReference Include="..\..\src\Markup\Avalonia.Markup\Avalonia.Markup.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Animation\Avalonia.Animation.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Controls\Avalonia.Controls.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Diagnostics\Avalonia.Diagnostics.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Input\Avalonia.Input.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Interactivity\Avalonia.Interactivity.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Layout\Avalonia.Layout.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.ReactiveUI\Avalonia.ReactiveUI.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Visuals\Avalonia.Visuals.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Styling\Avalonia.Styling.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Themes.Default\Avalonia.Themes.Default.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Logging.Serilog\Avalonia.Logging.Serilog.csproj" /> |
|||
</ItemGroup> |
|||
<Import Project="..\..\build\SampleApp.props" /> |
|||
<Import Project="..\..\build\EmbedXaml.props" /> |
|||
<Import Project="..\..\build\Serilog.props" /> |
|||
<Import Project="..\..\build\Rx.props" /> |
|||
<Import Project="..\..\build\ReactiveUI.props" /> |
|||
|
|||
@ -1,36 +0,0 @@ |
|||
using System.Reflection; |
|||
using System.Runtime.CompilerServices; |
|||
using System.Runtime.InteropServices; |
|||
|
|||
// General Information about an assembly is controlled through the following
|
|||
// set of attributes. Change these attribute values to modify the information
|
|||
// associated with an assembly.
|
|||
[assembly: AssemblyTitle("VirtualizationTest")] |
|||
[assembly: AssemblyDescription("")] |
|||
[assembly: AssemblyConfiguration("")] |
|||
[assembly: AssemblyCompany("")] |
|||
[assembly: AssemblyProduct("VirtualizationTest")] |
|||
[assembly: AssemblyCopyright("Copyright © 2016")] |
|||
[assembly: AssemblyTrademark("")] |
|||
[assembly: AssemblyCulture("")] |
|||
|
|||
// Setting ComVisible to false makes the types in this assembly not visible
|
|||
// to COM components. If you need to access a type in this assembly from
|
|||
// COM, set the ComVisible attribute to true on that type.
|
|||
[assembly: ComVisible(false)] |
|||
|
|||
// The following GUID is for the ID of the typelib if this project is exposed to COM
|
|||
[assembly: Guid("fbcaf3d0-2808-4934-8e96-3f607594517b")] |
|||
|
|||
// Version information for an assembly consists of the following four values:
|
|||
//
|
|||
// Major Version
|
|||
// Minor Version
|
|||
// Build Number
|
|||
// Revision
|
|||
//
|
|||
// You can specify all the values or you can default the Build and Revision Numbers
|
|||
// by using the '*' as shown below:
|
|||
// [assembly: AssemblyVersion("1.0.*")]
|
|||
[assembly: AssemblyVersion("1.0.0.0")] |
|||
[assembly: AssemblyFileVersion("1.0.0.0")] |
|||
@ -1,151 +1,33 @@ |
|||
<?xml version="1.0" encoding="utf-8"?> |
|||
<Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> |
|||
<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" /> |
|||
<Project Sdk="Microsoft.NET.Sdk"> |
|||
<PropertyGroup> |
|||
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> |
|||
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> |
|||
<ProjectGuid>{FBCAF3D0-2808-4934-8E96-3F607594517B}</ProjectGuid> |
|||
<OutputType>WinExe</OutputType> |
|||
<AppDesignerFolder>Properties</AppDesignerFolder> |
|||
<RootNamespace>VirtualizationTest</RootNamespace> |
|||
<AssemblyName>VirtualizationTest</AssemblyName> |
|||
<TargetFrameworkVersion>v4.7</TargetFrameworkVersion> |
|||
<FileAlignment>512</FileAlignment> |
|||
<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects> |
|||
<TargetFrameworkProfile /> |
|||
<OutputType>Exe</OutputType> |
|||
<TargetFrameworks>netcoreapp2.0;net461</TargetFrameworks> |
|||
</PropertyGroup> |
|||
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> |
|||
<PlatformTarget>AnyCPU</PlatformTarget> |
|||
<DebugSymbols>true</DebugSymbols> |
|||
<DebugType>full</DebugType> |
|||
<Optimize>false</Optimize> |
|||
<OutputPath>bin\Debug\</OutputPath> |
|||
<DefineConstants>DEBUG;TRACE</DefineConstants> |
|||
<ErrorReport>prompt</ErrorReport> |
|||
<WarningLevel>4</WarningLevel> |
|||
</PropertyGroup> |
|||
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> |
|||
<PlatformTarget>AnyCPU</PlatformTarget> |
|||
<DebugType>pdbonly</DebugType> |
|||
<Optimize>true</Optimize> |
|||
<OutputPath>bin\Release\</OutputPath> |
|||
<DefineConstants>TRACE</DefineConstants> |
|||
<ErrorReport>prompt</ErrorReport> |
|||
<WarningLevel>4</WarningLevel> |
|||
</PropertyGroup> |
|||
<PropertyGroup> |
|||
<StartupObject /> |
|||
</PropertyGroup> |
|||
<ItemGroup> |
|||
<Reference Include="System" /> |
|||
<Reference Include="System.Core" /> |
|||
<Reference Include="System.Xml.Linq" /> |
|||
<Reference Include="System.Data.DataSetExtensions" /> |
|||
<Reference Include="Microsoft.CSharp" /> |
|||
<Reference Include="System.Data" /> |
|||
<Reference Include="System.Net.Http" /> |
|||
<Reference Include="System.Xml" /> |
|||
</ItemGroup> |
|||
<ItemGroup> |
|||
<Compile Include="App.xaml.cs"> |
|||
<DependentUpon>App.xaml</DependentUpon> |
|||
</Compile> |
|||
<Compile Include="MainWindow.xaml.cs"> |
|||
<DependentUpon>MainWindow.xaml</DependentUpon> |
|||
</Compile> |
|||
<Compile Include="Program.cs" /> |
|||
<Compile Include="Properties\AssemblyInfo.cs" /> |
|||
<Compile Include="ViewModels\ItemViewModel.cs" /> |
|||
<Compile Include="ViewModels\MainWindowViewModel.cs" /> |
|||
</ItemGroup> |
|||
<ItemGroup> |
|||
<None Include="App.config" /> |
|||
</ItemGroup> |
|||
<ItemGroup> |
|||
<ProjectReference Include="..\..\src\Avalonia.Animation\Avalonia.Animation.csproj"> |
|||
<Project>{d211e587-d8bc-45b9-95a4-f297c8fa5200}</Project> |
|||
<Name>Avalonia.Animation</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Base\Avalonia.Base.csproj"> |
|||
<Project>{b09b78d8-9b26-48b0-9149-d64a2f120f3f}</Project> |
|||
<Name>Avalonia.Base</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Controls\Avalonia.Controls.csproj"> |
|||
<Project>{d2221c82-4a25-4583-9b43-d791e3f6820c}</Project> |
|||
<Name>Avalonia.Controls</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.DesignerSupport\Avalonia.DesignerSupport.csproj"> |
|||
<Project>{799a7bb5-3c2c-48b6-85a7-406a12c420da}</Project> |
|||
<Name>Avalonia.DesignerSupport</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Diagnostics\Avalonia.Diagnostics.csproj"> |
|||
<Project>{7062ae20-5dcc-4442-9645-8195bdece63e}</Project> |
|||
<Name>Avalonia.Diagnostics</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.DotNetFrameworkRuntime\Avalonia.DotNetFrameworkRuntime.csproj"> |
|||
<Project>{4A1ABB09-9047-4BD5-A4AD-A055E52C5EE0}</Project> |
|||
<Name>Avalonia.DotNetFrameworkRuntime</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Input\Avalonia.Input.csproj"> |
|||
<Project>{62024b2d-53eb-4638-b26b-85eeaa54866e}</Project> |
|||
<Name>Avalonia.Input</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Interactivity\Avalonia.Interactivity.csproj"> |
|||
<Project>{6b0ed19d-a08b-461c-a9d9-a9ee40b0c06b}</Project> |
|||
<Name>Avalonia.Interactivity</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Layout\Avalonia.Layout.csproj"> |
|||
<Project>{42472427-4774-4c81-8aff-9f27b8e31721}</Project> |
|||
<Name>Avalonia.Layout</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Logging.Serilog\Avalonia.Logging.Serilog.csproj"> |
|||
<Project>{B61B66A3-B82D-4875-8001-89D3394FE0C9}</Project> |
|||
<Name>Avalonia.Logging.Serilog</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.ReactiveUI\Avalonia.ReactiveUI.csproj"> |
|||
<Project>{6417b24e-49c2-4985-8db2-3ab9d898ec91}</Project> |
|||
<Name>Avalonia.ReactiveUI</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Visuals\Avalonia.Visuals.csproj"> |
|||
<Project>{eb582467-6abb-43a1-b052-e981ba910e3a}</Project> |
|||
<Name>Avalonia.Visuals</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Styling\Avalonia.Styling.csproj"> |
|||
<Project>{f1baa01a-f176-4c6a-b39d-5b40bb1b148f}</Project> |
|||
<Name>Avalonia.Styling</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Avalonia.Themes.Default\Avalonia.Themes.Default.csproj"> |
|||
<Project>{3e10a5fa-e8da-48b1-ad44-6a5b6cb7750f}</Project> |
|||
<Name>Avalonia.Themes.Default</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Markup\Avalonia.Markup.Xaml\Avalonia.Markup.Xaml.csproj"> |
|||
<Project>{3e53a01a-b331-47f3-b828-4a5717e77a24}</Project> |
|||
<Name>Avalonia.Markup.Xaml</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Markup\Avalonia.Markup\Avalonia.Markup.csproj"> |
|||
<Project>{6417e941-21bc-467b-a771-0de389353ce6}</Project> |
|||
<Name>Avalonia.Markup</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Windows\Avalonia.Direct2D1\Avalonia.Direct2D1.csproj" Condition="'$(Platform)'!='Mono'"> |
|||
<Project>{3e908f67-5543-4879-a1dc-08eace79b3cd}</Project> |
|||
<Name>Avalonia.Direct2D1</Name> |
|||
</ProjectReference> |
|||
<ProjectReference Include="..\..\src\Windows\Avalonia.Win32\Avalonia.Win32.csproj" Condition="'$(Platform)'!='Mono'"> |
|||
<Project>{811a76cf-1cf6-440f-963b-bbe31bd72a82}</Project> |
|||
<Name>Avalonia.Win32</Name> |
|||
</ProjectReference> |
|||
</ItemGroup> |
|||
<ItemGroup> |
|||
<EmbeddedResource Include="App.xaml"> |
|||
<SubType>Designer</SubType> |
|||
</EmbeddedResource> |
|||
</ItemGroup> |
|||
<ItemGroup> |
|||
<EmbeddedResource Include="MainWindow.xaml"> |
|||
<SubType>Designer</SubType> |
|||
</EmbeddedResource> |
|||
<ProjectReference Include="..\..\src\Avalonia.DesignerSupport\Avalonia.DesignerSupport.csproj" /> |
|||
|
|||
<ProjectReference Condition="'$(TargetFramework)'=='netcoreapp2.0'" Include="..\..\src\Avalonia.DotNetCoreRuntime\Avalonia.DotNetCoreRuntime.csproj" /> |
|||
|
|||
<ProjectReference Condition="'$(TargetFramework)'=='net461'" Include="..\..\src\Avalonia.DotNetFrameworkRuntime\Avalonia.DotNetFrameworkRuntime.csproj" /> |
|||
|
|||
<ProjectReference Include="..\..\src\Linux\Avalonia.LinuxFramebuffer\Avalonia.LinuxFramebuffer.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Base\Avalonia.Base.csproj" /> |
|||
<ProjectReference Include="..\..\src\Markup\Avalonia.Markup.Xaml\Avalonia.Markup.Xaml.csproj" /> |
|||
<ProjectReference Include="..\..\src\Markup\Avalonia.Markup\Avalonia.Markup.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Animation\Avalonia.Animation.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Controls\Avalonia.Controls.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Diagnostics\Avalonia.Diagnostics.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Input\Avalonia.Input.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Interactivity\Avalonia.Interactivity.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Layout\Avalonia.Layout.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.ReactiveUI\Avalonia.ReactiveUI.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Visuals\Avalonia.Visuals.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Styling\Avalonia.Styling.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Themes.Default\Avalonia.Themes.Default.csproj" /> |
|||
<ProjectReference Include="..\..\src\Avalonia.Logging.Serilog\Avalonia.Logging.Serilog.csproj" /> |
|||
</ItemGroup> |
|||
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" /> |
|||
<Import Project="..\..\build\SampleApp.props" /> |
|||
<Import Project="..\..\build\EmbedXaml.props" /> |
|||
<Import Project="..\..\build\Serilog.props" /> |
|||
<Import Project="..\..\build\Rx.props" /> |
|||
<Import Project="..\..\build\ReactiveUI.props" /> |
|||
|
|||
@ -1,6 +0,0 @@ |
|||
// Copyright (c) The Avalonia Project. All rights reserved.
|
|||
// Licensed under the MIT license. See licence.md file in the project root for full license information.
|
|||
|
|||
using System.Reflection; |
|||
|
|||
[assembly: AssemblyTitle("Avalonia.Animation")] |
|||
@ -1,36 +1,9 @@ |
|||
<Project Sdk="Microsoft.NET.Sdk"> |
|||
<PropertyGroup> |
|||
<TargetFramework>netstandard2.0</TargetFramework> |
|||
<GenerateAssemblyInfo>false</GenerateAssemblyInfo> |
|||
<AssemblyName>Avalonia.Base</AssemblyName> |
|||
<RootNamespace>Avalonia</RootNamespace> |
|||
</PropertyGroup> |
|||
<PropertyGroup Condition=" '$(Configuration)' == 'Debug' "> |
|||
<DebugSymbols>true</DebugSymbols> |
|||
<DebugType>full</DebugType> |
|||
<Optimize>false</Optimize> |
|||
<OutputPath>bin\Debug\</OutputPath> |
|||
<DefineConstants>DEBUG;TRACE</DefineConstants> |
|||
<ErrorReport>prompt</ErrorReport> |
|||
<WarningLevel>4</WarningLevel> |
|||
<DocumentationFile>bin\Debug\Avalonia.Base.xml</DocumentationFile> |
|||
<NoWarn>CS1591</NoWarn> |
|||
</PropertyGroup> |
|||
<PropertyGroup Condition=" '$(Configuration)' == 'Release' "> |
|||
<DebugType>pdbonly</DebugType> |
|||
<Optimize>true</Optimize> |
|||
<OutputPath>bin\Release\</OutputPath> |
|||
<DefineConstants>TRACE</DefineConstants> |
|||
<ErrorReport>prompt</ErrorReport> |
|||
<WarningLevel>4</WarningLevel> |
|||
<DocumentationFile>bin\Release\Avalonia.Base.xml</DocumentationFile> |
|||
<NoWarn>CS1591</NoWarn> |
|||
<TreatWarningsAsErrors>true</TreatWarningsAsErrors> |
|||
</PropertyGroup> |
|||
<ItemGroup> |
|||
<Compile Include="..\Shared\SharedAssemblyInfo.cs"> |
|||
<Link>Properties\SharedAssemblyInfo.cs</Link> |
|||
</Compile> |
|||
</ItemGroup> |
|||
<Import Project="..\..\build\Base.props" /> |
|||
<Import Project="..\..\build\Rx.props" /> |
|||
<Import Project="..\..\build\JetBrains.Annotations.props" /> |
|||
|
|||
@ -0,0 +1,127 @@ |
|||
// Copyright (c) The Avalonia Project. All rights reserved.
|
|||
// Licensed under the MIT license. See licence.md file in the project root for full license information.
|
|||
|
|||
using System; |
|||
using System.Collections; |
|||
using System.Collections.Generic; |
|||
using System.Collections.Specialized; |
|||
using System.Reactive; |
|||
using System.Reactive.Disposables; |
|||
using System.Reactive.Linq; |
|||
using System.Reactive.Subjects; |
|||
using Avalonia.Utilities; |
|||
|
|||
namespace Avalonia.Collections |
|||
{ |
|||
public static class NotifyCollectionChangedExtensions |
|||
{ |
|||
/// <summary>
|
|||
/// Gets a weak observable for the CollectionChanged event.
|
|||
/// </summary>
|
|||
/// <param name="collection">The collection.</param>
|
|||
/// <returns>An observable.</returns>
|
|||
public static IObservable<NotifyCollectionChangedEventArgs> GetWeakCollectionChangedObservable( |
|||
this INotifyCollectionChanged collection) |
|||
{ |
|||
Contract.Requires<ArgumentNullException>(collection != null); |
|||
|
|||
return new WeakCollectionChangedObservable(new WeakReference<INotifyCollectionChanged>(collection)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Subcribes to the CollectionChanged event using a weak subscription.
|
|||
/// </summary>
|
|||
/// <param name="collection">The collection.</param>
|
|||
/// <param name="handler">
|
|||
/// An action called when the collection event is raised.
|
|||
/// </param>
|
|||
/// <returns>A disposable used to terminate the subscription.</returns>
|
|||
public static IDisposable WeakSubscribe( |
|||
this INotifyCollectionChanged collection, |
|||
NotifyCollectionChangedEventHandler handler) |
|||
{ |
|||
Contract.Requires<ArgumentNullException>(collection != null); |
|||
Contract.Requires<ArgumentNullException>(handler != null); |
|||
|
|||
return |
|||
collection.GetWeakCollectionChangedObservable() |
|||
.Subscribe(e => handler.Invoke(collection, e)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Subcribes to the CollectionChanged event using a weak subscription.
|
|||
/// </summary>
|
|||
/// <param name="collection">The collection.</param>
|
|||
/// <param name="handler">
|
|||
/// An action called when the collection event is raised.
|
|||
/// </param>
|
|||
/// <returns>A disposable used to terminate the subscription.</returns>
|
|||
public static IDisposable WeakSubscribe( |
|||
this INotifyCollectionChanged collection, |
|||
Action<NotifyCollectionChangedEventArgs> handler) |
|||
{ |
|||
Contract.Requires<ArgumentNullException>(collection != null); |
|||
Contract.Requires<ArgumentNullException>(handler != null); |
|||
|
|||
return |
|||
collection.GetWeakCollectionChangedObservable() |
|||
.Subscribe(handler); |
|||
} |
|||
|
|||
private class WeakCollectionChangedObservable : ObservableBase<NotifyCollectionChangedEventArgs>, |
|||
IWeakSubscriber<NotifyCollectionChangedEventArgs> |
|||
{ |
|||
private WeakReference<INotifyCollectionChanged> _sourceReference; |
|||
private readonly Subject<NotifyCollectionChangedEventArgs> _changed = new Subject<NotifyCollectionChangedEventArgs>(); |
|||
|
|||
private int _count; |
|||
|
|||
public WeakCollectionChangedObservable(WeakReference<INotifyCollectionChanged> source) |
|||
{ |
|||
_sourceReference = source; |
|||
} |
|||
|
|||
public void OnEvent(object sender, NotifyCollectionChangedEventArgs e) |
|||
{ |
|||
_changed.OnNext(e); |
|||
} |
|||
|
|||
protected override IDisposable SubscribeCore(IObserver<NotifyCollectionChangedEventArgs> observer) |
|||
{ |
|||
if (_sourceReference.TryGetTarget(out INotifyCollectionChanged instance)) |
|||
{ |
|||
if (_count++ == 0) |
|||
{ |
|||
WeakSubscriptionManager.Subscribe( |
|||
instance, |
|||
nameof(instance.CollectionChanged), |
|||
this); |
|||
} |
|||
|
|||
return Observable.Using(() => Disposable.Create(DecrementCount), _ => _changed) |
|||
.Subscribe(observer); |
|||
} |
|||
else |
|||
{ |
|||
_changed.OnCompleted(); |
|||
observer.OnCompleted(); |
|||
return Disposable.Empty; |
|||
} |
|||
} |
|||
|
|||
private void DecrementCount() |
|||
{ |
|||
if (--_count == 0) |
|||
{ |
|||
if (_sourceReference.TryGetTarget(out INotifyCollectionChanged instance)) |
|||
{ |
|||
WeakSubscriptionManager.Unsubscribe( |
|||
instance, |
|||
nameof(instance.CollectionChanged), |
|||
this); |
|||
} |
|||
} |
|||
} |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,219 @@ |
|||
using System; |
|||
using System.Globalization; |
|||
using static System.Char; |
|||
|
|||
namespace Avalonia.Utilities |
|||
{ |
|||
public struct StringTokenizer : IDisposable |
|||
{ |
|||
private const char DefaultSeparatorChar = ','; |
|||
|
|||
private readonly string _s; |
|||
private readonly int _length; |
|||
private readonly char _separator; |
|||
private readonly string _exceptionMessage; |
|||
private readonly IFormatProvider _formatProvider; |
|||
private int _index; |
|||
private int _tokenIndex; |
|||
private int _tokenLength; |
|||
|
|||
public StringTokenizer(string s, IFormatProvider formatProvider, string exceptionMessage = null) |
|||
: this(s, GetSeparatorFromFormatProvider(formatProvider), exceptionMessage) |
|||
{ |
|||
_formatProvider = formatProvider; |
|||
} |
|||
|
|||
public StringTokenizer(string s, char separator = DefaultSeparatorChar, string exceptionMessage = null) |
|||
{ |
|||
_s = s ?? throw new ArgumentNullException(nameof(s)); |
|||
_length = s?.Length ?? 0; |
|||
_separator = separator; |
|||
_exceptionMessage = exceptionMessage; |
|||
_formatProvider = CultureInfo.InvariantCulture; |
|||
_index = 0; |
|||
_tokenIndex = -1; |
|||
_tokenLength = 0; |
|||
|
|||
while (_index < _length && IsWhiteSpace(_s, _index)) |
|||
{ |
|||
_index++; |
|||
} |
|||
} |
|||
|
|||
public string CurrentToken => _tokenIndex < 0 ? null : _s.Substring(_tokenIndex, _tokenLength); |
|||
|
|||
public void Dispose() |
|||
{ |
|||
if (_index != _length) |
|||
{ |
|||
throw GetFormatException(); |
|||
} |
|||
} |
|||
|
|||
public bool TryReadInt32(out Int32 result, char? separator = null) |
|||
{ |
|||
if (TryReadString(out var stringResult, separator) && |
|||
int.TryParse(stringResult, NumberStyles.Integer, _formatProvider, out result)) |
|||
{ |
|||
return true; |
|||
} |
|||
else |
|||
{ |
|||
result = default(Int32); |
|||
return false; |
|||
} |
|||
} |
|||
|
|||
public int ReadInt32(char? separator = null) |
|||
{ |
|||
if (!TryReadInt32(out var result, separator)) |
|||
{ |
|||
throw GetFormatException(); |
|||
} |
|||
|
|||
return result; |
|||
} |
|||
|
|||
public bool TryReadDouble(out double result, char? separator = null) |
|||
{ |
|||
if (TryReadString(out var stringResult, separator) && |
|||
double.TryParse(stringResult, NumberStyles.Float, _formatProvider, out result)) |
|||
{ |
|||
return true; |
|||
} |
|||
else |
|||
{ |
|||
result = default(double); |
|||
return false; |
|||
} |
|||
} |
|||
|
|||
public double ReadDouble(char? separator = null) |
|||
{ |
|||
if (!TryReadDouble(out var result, separator)) |
|||
{ |
|||
throw GetFormatException(); |
|||
} |
|||
|
|||
return result; |
|||
} |
|||
|
|||
public bool TryReadString(out string result, char? separator = null) |
|||
{ |
|||
var success = TryReadToken(separator ?? _separator); |
|||
result = CurrentToken; |
|||
return success; |
|||
} |
|||
|
|||
public string ReadString(char? separator = null) |
|||
{ |
|||
if (!TryReadString(out var result, separator)) |
|||
{ |
|||
throw GetFormatException(); |
|||
} |
|||
|
|||
return result; |
|||
} |
|||
|
|||
private bool TryReadToken(char separator) |
|||
{ |
|||
_tokenIndex = -1; |
|||
|
|||
if (_index >= _length) |
|||
{ |
|||
return false; |
|||
} |
|||
|
|||
var c = _s[_index]; |
|||
|
|||
var index = _index; |
|||
var length = 0; |
|||
|
|||
while (_index < _length) |
|||
{ |
|||
c = _s[_index]; |
|||
|
|||
if (IsWhiteSpace(c) || c == separator) |
|||
{ |
|||
break; |
|||
} |
|||
|
|||
_index++; |
|||
length++; |
|||
} |
|||
|
|||
SkipToNextToken(separator); |
|||
|
|||
_tokenIndex = index; |
|||
_tokenLength = length; |
|||
|
|||
if (_tokenLength < 1) |
|||
{ |
|||
throw GetFormatException(); |
|||
} |
|||
|
|||
return true; |
|||
} |
|||
|
|||
private void SkipToNextToken(char separator) |
|||
{ |
|||
if (_index < _length) |
|||
{ |
|||
var c = _s[_index]; |
|||
|
|||
if (c != separator && !IsWhiteSpace(c)) |
|||
{ |
|||
throw GetFormatException(); |
|||
} |
|||
|
|||
var length = 0; |
|||
|
|||
while (_index < _length) |
|||
{ |
|||
c = _s[_index]; |
|||
|
|||
if (c == separator) |
|||
{ |
|||
length++; |
|||
_index++; |
|||
|
|||
if (length > 1) |
|||
{ |
|||
throw GetFormatException(); |
|||
} |
|||
} |
|||
else |
|||
{ |
|||
if (!IsWhiteSpace(c)) |
|||
{ |
|||
break; |
|||
} |
|||
|
|||
_index++; |
|||
} |
|||
} |
|||
|
|||
if (length > 0 && _index >= _length) |
|||
{ |
|||
throw GetFormatException(); |
|||
} |
|||
} |
|||
} |
|||
|
|||
private FormatException GetFormatException() => |
|||
_exceptionMessage != null ? new FormatException(_exceptionMessage) : new FormatException(); |
|||
|
|||
private static char GetSeparatorFromFormatProvider(IFormatProvider provider) |
|||
{ |
|||
var c = DefaultSeparatorChar; |
|||
|
|||
var formatInfo = NumberFormatInfo.GetInstance(provider); |
|||
if (formatInfo.NumberDecimalSeparator.Length > 0 && c == formatInfo.NumberDecimalSeparator[0]) |
|||
{ |
|||
c = ';'; |
|||
} |
|||
|
|||
return c; |
|||
} |
|||
} |
|||
} |
|||
File diff suppressed because it is too large
@ -0,0 +1,263 @@ |
|||
using System; |
|||
using Avalonia.Controls.Primitives; |
|||
using Avalonia.Input; |
|||
using Avalonia.Interactivity; |
|||
|
|||
namespace Avalonia.Controls |
|||
{ |
|||
public enum Location |
|||
{ |
|||
Left, |
|||
Right |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Represents a spinner control that includes two Buttons.
|
|||
/// </summary>
|
|||
public class ButtonSpinner : Spinner |
|||
{ |
|||
/// <summary>
|
|||
/// Defines the <see cref="AllowSpin"/> property.
|
|||
/// </summary>
|
|||
public static readonly StyledProperty<bool> AllowSpinProperty = |
|||
AvaloniaProperty.Register<ButtonSpinner, bool>(nameof(AllowSpin), true); |
|||
|
|||
/// <summary>
|
|||
/// Defines the <see cref="ShowButtonSpinner"/> property.
|
|||
/// </summary>
|
|||
public static readonly StyledProperty<bool> ShowButtonSpinnerProperty = |
|||
AvaloniaProperty.Register<ButtonSpinner, bool>(nameof(ShowButtonSpinner), true); |
|||
|
|||
/// <summary>
|
|||
/// Defines the <see cref="ButtonSpinnerLocation"/> property.
|
|||
/// </summary>
|
|||
public static readonly StyledProperty<Location> ButtonSpinnerLocationProperty = |
|||
AvaloniaProperty.Register<ButtonSpinner, Location>(nameof(ButtonSpinnerLocation), Location.Right); |
|||
|
|||
private Button _decreaseButton; |
|||
/// <summary>
|
|||
/// Gets or sets the DecreaseButton template part.
|
|||
/// </summary>
|
|||
private Button DecreaseButton |
|||
{ |
|||
get { return _decreaseButton; } |
|||
set |
|||
{ |
|||
if (_decreaseButton != null) |
|||
{ |
|||
_decreaseButton.Click -= OnButtonClick; |
|||
} |
|||
_decreaseButton = value; |
|||
if (_decreaseButton != null) |
|||
{ |
|||
_decreaseButton.Click += OnButtonClick; |
|||
} |
|||
} |
|||
} |
|||
|
|||
private Button _increaseButton; |
|||
/// <summary>
|
|||
/// Gets or sets the IncreaseButton template part.
|
|||
/// </summary>
|
|||
private Button IncreaseButton |
|||
{ |
|||
get |
|||
{ |
|||
return _increaseButton; |
|||
} |
|||
set |
|||
{ |
|||
if (_increaseButton != null) |
|||
{ |
|||
_increaseButton.Click -= OnButtonClick; |
|||
} |
|||
_increaseButton = value; |
|||
if (_increaseButton != null) |
|||
{ |
|||
_increaseButton.Click += OnButtonClick; |
|||
} |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Initializes static members of the <see cref="ButtonSpinner"/> class.
|
|||
/// </summary>
|
|||
static ButtonSpinner() |
|||
{ |
|||
AllowSpinProperty.Changed.Subscribe(AllowSpinChanged); |
|||
PseudoClass(ButtonSpinnerLocationProperty, location => location == Location.Left, ":left"); |
|||
PseudoClass(ButtonSpinnerLocationProperty, location => location == Location.Right, ":right"); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets a value indicating whether the <see cref="ButtonSpinner"/> should allow to spin.
|
|||
/// </summary>
|
|||
public bool AllowSpin |
|||
{ |
|||
get { return GetValue(AllowSpinProperty); } |
|||
set { SetValue(AllowSpinProperty, value); } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets a value indicating whether the spin buttons should be shown.
|
|||
/// </summary>
|
|||
public bool ShowButtonSpinner |
|||
{ |
|||
get { return GetValue(ShowButtonSpinnerProperty); } |
|||
set { SetValue(ShowButtonSpinnerProperty, value); } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets current location of the <see cref="ButtonSpinner"/>.
|
|||
/// </summary>
|
|||
public Location ButtonSpinnerLocation |
|||
{ |
|||
get { return GetValue(ButtonSpinnerLocationProperty); } |
|||
set { SetValue(ButtonSpinnerLocationProperty, value); } |
|||
} |
|||
|
|||
/// <inheritdoc />
|
|||
protected override void OnTemplateApplied(TemplateAppliedEventArgs e) |
|||
{ |
|||
IncreaseButton = e.NameScope.Find<Button>("PART_IncreaseButton"); |
|||
DecreaseButton = e.NameScope.Find<Button>("PART_DecreaseButton"); |
|||
SetButtonUsage(); |
|||
} |
|||
|
|||
/// <inheritdoc />
|
|||
protected override void OnPointerReleased(PointerReleasedEventArgs e) |
|||
{ |
|||
base.OnPointerReleased(e); |
|||
Point mousePosition; |
|||
if (IncreaseButton != null && IncreaseButton.IsEnabled == false) |
|||
{ |
|||
mousePosition = e.GetPosition(IncreaseButton); |
|||
if (mousePosition.X > 0 && mousePosition.X < IncreaseButton.Width && |
|||
mousePosition.Y > 0 && mousePosition.Y < IncreaseButton.Height) |
|||
{ |
|||
e.Handled = true; |
|||
} |
|||
} |
|||
|
|||
if (DecreaseButton != null && DecreaseButton.IsEnabled == false) |
|||
{ |
|||
mousePosition = e.GetPosition(DecreaseButton); |
|||
if (mousePosition.X > 0 && mousePosition.X < DecreaseButton.Width && |
|||
mousePosition.Y > 0 && mousePosition.Y < DecreaseButton.Height) |
|||
{ |
|||
e.Handled = true; |
|||
} |
|||
} |
|||
} |
|||
|
|||
/// <inheritdoc />
|
|||
protected override void OnKeyDown(KeyEventArgs e) |
|||
{ |
|||
switch (e.Key) |
|||
{ |
|||
case Key.Up: |
|||
{ |
|||
if (AllowSpin) |
|||
{ |
|||
OnSpin(new SpinEventArgs(SpinEvent, SpinDirection.Increase)); |
|||
e.Handled = true; |
|||
} |
|||
break; |
|||
} |
|||
case Key.Down: |
|||
{ |
|||
if (AllowSpin) |
|||
{ |
|||
OnSpin(new SpinEventArgs(SpinEvent, SpinDirection.Decrease)); |
|||
e.Handled = true; |
|||
} |
|||
break; |
|||
} |
|||
case Key.Enter: |
|||
{ |
|||
//Do not Spin on enter Key when spinners have focus
|
|||
if (((IncreaseButton != null) && (IncreaseButton.IsFocused)) |
|||
|| ((DecreaseButton != null) && DecreaseButton.IsFocused)) |
|||
{ |
|||
e.Handled = true; |
|||
} |
|||
break; |
|||
} |
|||
} |
|||
} |
|||
|
|||
/// <inheritdoc />
|
|||
protected override void OnPointerWheelChanged(PointerWheelEventArgs e) |
|||
{ |
|||
base.OnPointerWheelChanged(e); |
|||
if (!e.Handled && AllowSpin) |
|||
{ |
|||
if (e.Delta.Y != 0) |
|||
{ |
|||
var spinnerEventArgs = new SpinEventArgs(SpinEvent, (e.Delta.Y < 0) ? SpinDirection.Decrease : SpinDirection.Increase, true); |
|||
OnSpin(spinnerEventArgs); |
|||
e.Handled = spinnerEventArgs.Handled; |
|||
} |
|||
} |
|||
} |
|||
|
|||
protected override void OnValidSpinDirectionChanged(ValidSpinDirections oldValue, ValidSpinDirections newValue) |
|||
{ |
|||
SetButtonUsage(); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="AllowSpin"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="oldValue">The old value.</param>
|
|||
/// <param name="newValue">The new value.</param>
|
|||
protected virtual void OnAllowSpinChanged(bool oldValue, bool newValue) |
|||
{ |
|||
SetButtonUsage(); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="AllowSpin"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="e">The event args.</param>
|
|||
private static void AllowSpinChanged(AvaloniaPropertyChangedEventArgs e) |
|||
{ |
|||
if (e.Sender is ButtonSpinner spinner) |
|||
{ |
|||
var oldValue = (bool)e.OldValue; |
|||
var newValue = (bool)e.NewValue; |
|||
spinner.OnAllowSpinChanged(oldValue, newValue); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Disables or enables the buttons based on the valid spin direction.
|
|||
/// </summary>
|
|||
private void SetButtonUsage() |
|||
{ |
|||
if (IncreaseButton != null) |
|||
{ |
|||
IncreaseButton.IsEnabled = AllowSpin && ((ValidSpinDirection & ValidSpinDirections.Increase) == ValidSpinDirections.Increase); |
|||
} |
|||
|
|||
if (DecreaseButton != null) |
|||
{ |
|||
DecreaseButton.IsEnabled = AllowSpin && ((ValidSpinDirection & ValidSpinDirections.Decrease) == ValidSpinDirections.Decrease); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when user clicks one of the spin buttons.
|
|||
/// </summary>
|
|||
/// <param name="sender">The event sender.</param>
|
|||
/// <param name="e">The event args.</param>
|
|||
private void OnButtonClick(object sender, RoutedEventArgs e) |
|||
{ |
|||
if (AllowSpin) |
|||
{ |
|||
var direction = sender == IncreaseButton ? SpinDirection.Increase : SpinDirection.Decrease; |
|||
OnSpin(new SpinEventArgs(SpinEvent, direction)); |
|||
} |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,998 @@ |
|||
using System; |
|||
using System.Globalization; |
|||
using System.IO; |
|||
using System.Linq; |
|||
using Avalonia.Controls.Primitives; |
|||
using Avalonia.Data; |
|||
using Avalonia.Input; |
|||
using Avalonia.Interactivity; |
|||
using Avalonia.Threading; |
|||
using Avalonia.Utilities; |
|||
|
|||
namespace Avalonia.Controls |
|||
{ |
|||
/// <summary>
|
|||
/// Control that represents a TextBox with button spinners that allow incrementing and decrementing numeric values.
|
|||
/// </summary>
|
|||
public class NumericUpDown : TemplatedControl |
|||
{ |
|||
/// <summary>
|
|||
/// Defines the <see cref="AllowSpin"/> property.
|
|||
/// </summary>
|
|||
public static readonly StyledProperty<bool> AllowSpinProperty = |
|||
ButtonSpinner.AllowSpinProperty.AddOwner<NumericUpDown>(); |
|||
|
|||
/// <summary>
|
|||
/// Defines the <see cref="ButtonSpinnerLocation"/> property.
|
|||
/// </summary>
|
|||
public static readonly StyledProperty<Location> ButtonSpinnerLocationProperty = |
|||
ButtonSpinner.ButtonSpinnerLocationProperty.AddOwner<NumericUpDown>(); |
|||
|
|||
/// <summary>
|
|||
/// Defines the <see cref="ShowButtonSpinner"/> property.
|
|||
/// </summary>
|
|||
public static readonly StyledProperty<bool> ShowButtonSpinnerProperty = |
|||
ButtonSpinner.ShowButtonSpinnerProperty.AddOwner<NumericUpDown>(); |
|||
|
|||
/// <summary>
|
|||
/// Defines the <see cref="ClipValueToMinMax"/> property.
|
|||
/// </summary>
|
|||
public static readonly DirectProperty<NumericUpDown, bool> ClipValueToMinMaxProperty = |
|||
AvaloniaProperty.RegisterDirect<NumericUpDown, bool>(nameof(ClipValueToMinMax), |
|||
updown => updown.ClipValueToMinMax, (updown, b) => updown.ClipValueToMinMax = b); |
|||
|
|||
/// <summary>
|
|||
/// Defines the <see cref="CultureInfo"/> property.
|
|||
/// </summary>
|
|||
public static readonly DirectProperty<NumericUpDown, CultureInfo> CultureInfoProperty = |
|||
AvaloniaProperty.RegisterDirect<NumericUpDown, CultureInfo>(nameof(CultureInfo), o => o.CultureInfo, |
|||
(o, v) => o.CultureInfo = v, CultureInfo.CurrentCulture); |
|||
|
|||
/// <summary>
|
|||
/// Defines the <see cref="FormatString"/> property.
|
|||
/// </summary>
|
|||
public static readonly StyledProperty<string> FormatStringProperty = |
|||
AvaloniaProperty.Register<NumericUpDown, string>(nameof(FormatString), string.Empty); |
|||
|
|||
/// <summary>
|
|||
/// Defines the <see cref="Increment"/> property.
|
|||
/// </summary>
|
|||
public static readonly StyledProperty<double> IncrementProperty = |
|||
AvaloniaProperty.Register<NumericUpDown, double>(nameof(Increment), 1.0d, validate: OnCoerceIncrement); |
|||
|
|||
/// <summary>
|
|||
/// Defines the <see cref="IsReadOnly"/> property.
|
|||
/// </summary>
|
|||
public static readonly StyledProperty<bool> IsReadOnlyProperty = |
|||
AvaloniaProperty.Register<NumericUpDown, bool>(nameof(IsReadOnly)); |
|||
|
|||
/// <summary>
|
|||
/// Defines the <see cref="Maximum"/> property.
|
|||
/// </summary>
|
|||
public static readonly StyledProperty<double> MaximumProperty = |
|||
AvaloniaProperty.Register<NumericUpDown, double>(nameof(Maximum), double.MaxValue, validate: OnCoerceMaximum); |
|||
|
|||
/// <summary>
|
|||
/// Defines the <see cref="Minimum"/> property.
|
|||
/// </summary>
|
|||
public static readonly StyledProperty<double> MinimumProperty = |
|||
AvaloniaProperty.Register<NumericUpDown, double>(nameof(Minimum), double.MinValue, validate: OnCoerceMinimum); |
|||
|
|||
/// <summary>
|
|||
/// Defines the <see cref="ParsingNumberStyle"/> property.
|
|||
/// </summary>
|
|||
public static readonly DirectProperty<NumericUpDown, NumberStyles> ParsingNumberStyleProperty = |
|||
AvaloniaProperty.RegisterDirect<NumericUpDown, NumberStyles>(nameof(ParsingNumberStyle), |
|||
updown => updown.ParsingNumberStyle, (updown, style) => updown.ParsingNumberStyle = style); |
|||
|
|||
/// <summary>
|
|||
/// Defines the <see cref="Text"/> property.
|
|||
/// </summary>
|
|||
public static readonly DirectProperty<NumericUpDown, string> TextProperty = |
|||
AvaloniaProperty.RegisterDirect<NumericUpDown, string>(nameof(Text), o => o.Text, (o, v) => o.Text = v, |
|||
defaultBindingMode: BindingMode.TwoWay); |
|||
|
|||
/// <summary>
|
|||
/// Defines the <see cref="Value"/> property.
|
|||
/// </summary>
|
|||
public static readonly DirectProperty<NumericUpDown, double> ValueProperty = |
|||
AvaloniaProperty.RegisterDirect<NumericUpDown, double>(nameof(Value), updown => updown.Value, |
|||
(updown, v) => updown.Value = v, defaultBindingMode: BindingMode.TwoWay); |
|||
|
|||
/// <summary>
|
|||
/// Defines the <see cref="Watermark"/> property.
|
|||
/// </summary>
|
|||
public static readonly StyledProperty<string> WatermarkProperty = |
|||
AvaloniaProperty.Register<NumericUpDown, string>(nameof(Watermark)); |
|||
|
|||
private IDisposable _textBoxTextChangedSubscription; |
|||
|
|||
private double _value; |
|||
private string _text; |
|||
private bool _internalValueSet; |
|||
private bool _clipValueToMinMax; |
|||
private bool _isSyncingTextAndValueProperties; |
|||
private bool _isTextChangedFromUI; |
|||
private CultureInfo _cultureInfo; |
|||
private NumberStyles _parsingNumberStyle = NumberStyles.Any; |
|||
|
|||
/// <summary>
|
|||
/// Gets the Spinner template part.
|
|||
/// </summary>
|
|||
private Spinner Spinner { get; set; } |
|||
|
|||
/// <summary>
|
|||
/// Gets the TextBox template part.
|
|||
/// </summary>
|
|||
private TextBox TextBox { get; set; } |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the ability to perform increment/decrement operations via the keyboard, button spinners, or mouse wheel.
|
|||
/// </summary>
|
|||
public bool AllowSpin |
|||
{ |
|||
get { return GetValue(AllowSpinProperty); } |
|||
set { SetValue(AllowSpinProperty, value); } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets current location of the <see cref="ButtonSpinner"/>.
|
|||
/// </summary>
|
|||
public Location ButtonSpinnerLocation |
|||
{ |
|||
get { return GetValue(ButtonSpinnerLocationProperty); } |
|||
set { SetValue(ButtonSpinnerLocationProperty, value); } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets a value indicating whether the spin buttons should be shown.
|
|||
/// </summary>
|
|||
public bool ShowButtonSpinner |
|||
{ |
|||
get { return GetValue(ShowButtonSpinnerProperty); } |
|||
set { SetValue(ShowButtonSpinnerProperty, value); } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets if the value should be clipped when minimum/maximum is reached.
|
|||
/// </summary>
|
|||
public bool ClipValueToMinMax |
|||
{ |
|||
get { return _clipValueToMinMax; } |
|||
set { SetAndRaise(ClipValueToMinMaxProperty, ref _clipValueToMinMax, value); } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the current CultureInfo.
|
|||
/// </summary>
|
|||
public CultureInfo CultureInfo |
|||
{ |
|||
get { return _cultureInfo; } |
|||
set { SetAndRaise(CultureInfoProperty, ref _cultureInfo, value); } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the display format of the <see cref="Value"/>.
|
|||
/// </summary>
|
|||
public string FormatString |
|||
{ |
|||
get { return GetValue(FormatStringProperty); } |
|||
set { SetValue(FormatStringProperty, value); } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the amount in which to increment the <see cref="Value"/>.
|
|||
/// </summary>
|
|||
public double Increment |
|||
{ |
|||
get { return GetValue(IncrementProperty); } |
|||
set { SetValue(IncrementProperty, value); } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets if the control is read only.
|
|||
/// </summary>
|
|||
public bool IsReadOnly |
|||
{ |
|||
get { return GetValue(IsReadOnlyProperty); } |
|||
set { SetValue(IsReadOnlyProperty, value); } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the maximum allowed value.
|
|||
/// </summary>
|
|||
public double Maximum |
|||
{ |
|||
get { return GetValue(MaximumProperty); } |
|||
set { SetValue(MaximumProperty, value); } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the minimum allowed value.
|
|||
/// </summary>
|
|||
public double Minimum |
|||
{ |
|||
get { return GetValue(MinimumProperty); } |
|||
set { SetValue(MinimumProperty, value); } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the parsing style (AllowLeadingWhite, Float, AllowHexSpecifier, ...). By default, Any.
|
|||
/// </summary>
|
|||
public NumberStyles ParsingNumberStyle |
|||
{ |
|||
get { return _parsingNumberStyle; } |
|||
set { SetAndRaise(ParsingNumberStyleProperty, ref _parsingNumberStyle, value); } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the formatted string representation of the value.
|
|||
/// </summary>
|
|||
public string Text |
|||
{ |
|||
get { return _text; } |
|||
set { SetAndRaise(TextProperty, ref _text, value); } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the value.
|
|||
/// </summary>
|
|||
public double Value |
|||
{ |
|||
get { return _value; } |
|||
set |
|||
{ |
|||
value = OnCoerceValue(value); |
|||
SetAndRaise(ValueProperty, ref _value, value); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the object to use as a watermark if the <see cref="Value"/> is null.
|
|||
/// </summary>
|
|||
public string Watermark |
|||
{ |
|||
get { return GetValue(WatermarkProperty); } |
|||
set { SetValue(WatermarkProperty, value); } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Initializes new instance of <see cref="NumericUpDown"/> class.
|
|||
/// </summary>
|
|||
public NumericUpDown() |
|||
{ |
|||
Initialized += (sender, e) => |
|||
{ |
|||
if (!_internalValueSet && IsInitialized) |
|||
{ |
|||
SyncTextAndValueProperties(false, null, true); |
|||
} |
|||
|
|||
SetValidSpinDirection(); |
|||
}; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Initializes static members of the <see cref="NumericUpDown"/> class.
|
|||
/// </summary>
|
|||
static NumericUpDown() |
|||
{ |
|||
CultureInfoProperty.Changed.Subscribe(OnCultureInfoChanged); |
|||
FormatStringProperty.Changed.Subscribe(FormatStringChanged); |
|||
IncrementProperty.Changed.Subscribe(IncrementChanged); |
|||
IsReadOnlyProperty.Changed.Subscribe(OnIsReadOnlyChanged); |
|||
MaximumProperty.Changed.Subscribe(OnMaximumChanged); |
|||
MinimumProperty.Changed.Subscribe(OnMinimumChanged); |
|||
TextProperty.Changed.Subscribe(OnTextChanged); |
|||
ValueProperty.Changed.Subscribe(OnValueChanged); |
|||
} |
|||
|
|||
/// <inheritdoc />
|
|||
protected override void OnTemplateApplied(TemplateAppliedEventArgs e) |
|||
{ |
|||
if (TextBox != null) |
|||
{ |
|||
TextBox.PointerPressed -= TextBoxOnPointerPressed; |
|||
_textBoxTextChangedSubscription?.Dispose(); |
|||
} |
|||
TextBox = e.NameScope.Find<TextBox>("PART_TextBox"); |
|||
if (TextBox != null) |
|||
{ |
|||
TextBox.Text = Text; |
|||
TextBox.PointerPressed += TextBoxOnPointerPressed; |
|||
_textBoxTextChangedSubscription = TextBox.GetObservable(TextBox.TextProperty).Subscribe(txt => TextBoxOnTextChanged()); |
|||
} |
|||
|
|||
if (Spinner != null) |
|||
{ |
|||
Spinner.Spin -= OnSpinnerSpin; |
|||
} |
|||
|
|||
Spinner = e.NameScope.Find<Spinner>("PART_Spinner"); |
|||
|
|||
if (Spinner != null) |
|||
{ |
|||
Spinner.Spin += OnSpinnerSpin; |
|||
} |
|||
|
|||
SetValidSpinDirection(); |
|||
} |
|||
|
|||
/// <inheritdoc />
|
|||
protected override void OnKeyDown(KeyEventArgs e) |
|||
{ |
|||
switch (e.Key) |
|||
{ |
|||
case Key.Enter: |
|||
var commitSuccess = CommitInput(); |
|||
e.Handled = !commitSuccess; |
|||
break; |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="CultureInfo"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="oldValue">The old value.</param>
|
|||
/// <param name="newValue">The new value.</param>
|
|||
protected virtual void OnCultureInfoChanged(CultureInfo oldValue, CultureInfo newValue) |
|||
{ |
|||
if (IsInitialized) |
|||
{ |
|||
SyncTextAndValueProperties(false, null); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="FormatString"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="oldValue">The old value.</param>
|
|||
/// <param name="newValue">The new value.</param>
|
|||
protected virtual void OnFormatStringChanged(string oldValue, string newValue) |
|||
{ |
|||
if (IsInitialized) |
|||
{ |
|||
SyncTextAndValueProperties(false, null); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="Increment"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="oldValue">The old value.</param>
|
|||
/// <param name="newValue">The new value.</param>
|
|||
protected virtual void OnIncrementChanged(double oldValue, double newValue) |
|||
{ |
|||
if (IsInitialized) |
|||
{ |
|||
SetValidSpinDirection(); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="IsReadOnly"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="oldValue">The old value.</param>
|
|||
/// <param name="newValue">The new value.</param>
|
|||
protected virtual void OnIsReadOnlyChanged(bool oldValue, bool newValue) |
|||
{ |
|||
SetValidSpinDirection(); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="Maximum"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="oldValue">The old value.</param>
|
|||
/// <param name="newValue">The new value.</param>
|
|||
protected virtual void OnMaximumChanged(double oldValue, double newValue) |
|||
{ |
|||
if (IsInitialized) |
|||
{ |
|||
SetValidSpinDirection(); |
|||
} |
|||
if (ClipValueToMinMax) |
|||
{ |
|||
Value = MathUtilities.Clamp(Value, Minimum, Maximum); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="Minimum"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="oldValue">The old value.</param>
|
|||
/// <param name="newValue">The new value.</param>
|
|||
protected virtual void OnMinimumChanged(double oldValue, double newValue) |
|||
{ |
|||
if (IsInitialized) |
|||
{ |
|||
SetValidSpinDirection(); |
|||
} |
|||
if (ClipValueToMinMax) |
|||
{ |
|||
Value = MathUtilities.Clamp(Value, Minimum, Maximum); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="Text"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="oldValue">The old value.</param>
|
|||
/// <param name="newValue">The new value.</param>
|
|||
protected virtual void OnTextChanged(string oldValue, string newValue) |
|||
{ |
|||
if (IsInitialized) |
|||
{ |
|||
SyncTextAndValueProperties(true, Text); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="Value"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="oldValue">The old value.</param>
|
|||
/// <param name="newValue">The new value.</param>
|
|||
protected virtual void OnValueChanged(double oldValue, double newValue) |
|||
{ |
|||
if (!_internalValueSet && IsInitialized) |
|||
{ |
|||
SyncTextAndValueProperties(false, null, true); |
|||
} |
|||
|
|||
SetValidSpinDirection(); |
|||
|
|||
RaiseValueChangedEvent(oldValue, newValue); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="Increment"/> property has to be coerced.
|
|||
/// </summary>
|
|||
/// <param name="baseValue">The value.</param>
|
|||
protected virtual double OnCoerceIncrement(double baseValue) |
|||
{ |
|||
return baseValue; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="Maximum"/> property has to be coerced.
|
|||
/// </summary>
|
|||
/// <param name="baseValue">The value.</param>
|
|||
protected virtual double OnCoerceMaximum(double baseValue) |
|||
{ |
|||
return Math.Max(baseValue, Minimum); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="Minimum"/> property has to be coerced.
|
|||
/// </summary>
|
|||
/// <param name="baseValue">The value.</param>
|
|||
protected virtual double OnCoerceMinimum(double baseValue) |
|||
{ |
|||
return Math.Min(baseValue, Maximum); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="Value"/> property has to be coerced.
|
|||
/// </summary>
|
|||
/// <param name="baseValue">The value.</param>
|
|||
protected virtual double OnCoerceValue(double baseValue) |
|||
{ |
|||
return baseValue; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Raises the OnSpin event when spinning is initiated by the end-user.
|
|||
/// </summary>
|
|||
/// <param name="e">The event args.</param>
|
|||
protected virtual void OnSpin(SpinEventArgs e) |
|||
{ |
|||
if (e == null) |
|||
{ |
|||
throw new ArgumentNullException("e"); |
|||
} |
|||
|
|||
var handler = Spinned; |
|||
handler?.Invoke(this, e); |
|||
|
|||
if (e.Direction == SpinDirection.Increase) |
|||
{ |
|||
DoIncrement(); |
|||
} |
|||
else |
|||
{ |
|||
DoDecrement(); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Raises the <see cref="ValueChanged"/> event.
|
|||
/// </summary>
|
|||
/// <param name="oldValue">The old value.</param>
|
|||
/// <param name="newValue">The new value.</param>
|
|||
protected virtual void RaiseValueChangedEvent(double oldValue, double newValue) |
|||
{ |
|||
var e = new NumericUpDownValueChangedEventArgs(ValueChangedEvent, oldValue, newValue); |
|||
RaiseEvent(e); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Converts the formatted text to a value.
|
|||
/// </summary>
|
|||
private double ConvertTextToValue(string text) |
|||
{ |
|||
double result = 0; |
|||
|
|||
if (string.IsNullOrEmpty(text)) |
|||
{ |
|||
return result; |
|||
} |
|||
|
|||
// Since the conversion from Value to text using a FormartString may not be parsable,
|
|||
// we verify that the already existing text is not the exact same value.
|
|||
var currentValueText = ConvertValueToText(); |
|||
if (Equals(currentValueText, text)) |
|||
{ |
|||
return Value; |
|||
} |
|||
|
|||
result = ConvertTextToValueCore(currentValueText, text); |
|||
|
|||
if (ClipValueToMinMax) |
|||
{ |
|||
return MathUtilities.Clamp(result, Minimum, Maximum); |
|||
} |
|||
|
|||
ValidateMinMax(result); |
|||
|
|||
return result; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Converts the value to formatted text.
|
|||
/// </summary>
|
|||
/// <returns></returns>
|
|||
private string ConvertValueToText() |
|||
{ |
|||
//Manage FormatString of type "{}{0:N2} °" (in xaml) or "{0:N2} °" in code-behind.
|
|||
if (FormatString.Contains("{0")) |
|||
{ |
|||
return string.Format(CultureInfo, FormatString, Value); |
|||
} |
|||
|
|||
return Value.ToString(FormatString, CultureInfo); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called by OnSpin when the spin direction is SpinDirection.Increase.
|
|||
/// </summary>
|
|||
private void OnIncrement() |
|||
{ |
|||
var result = Value + Increment; |
|||
Value = MathUtilities.Clamp(result, Minimum, Maximum); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called by OnSpin when the spin direction is SpinDirection.Descrease.
|
|||
/// </summary>
|
|||
private void OnDecrement() |
|||
{ |
|||
var result = Value - Increment; |
|||
Value = MathUtilities.Clamp(result, Minimum, Maximum); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Sets the valid spin directions.
|
|||
/// </summary>
|
|||
private void SetValidSpinDirection() |
|||
{ |
|||
var validDirections = ValidSpinDirections.None; |
|||
|
|||
// Zero increment always prevents spin.
|
|||
if (Increment != 0 && !IsReadOnly) |
|||
{ |
|||
if (Value < Maximum) |
|||
{ |
|||
validDirections = validDirections | ValidSpinDirections.Increase; |
|||
} |
|||
|
|||
if (Value > Minimum) |
|||
{ |
|||
validDirections = validDirections | ValidSpinDirections.Decrease; |
|||
} |
|||
} |
|||
|
|||
if (Spinner != null) |
|||
{ |
|||
Spinner.ValidSpinDirection = validDirections; |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="CultureInfo"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="e">The event args.</param>
|
|||
private static void OnCultureInfoChanged(AvaloniaPropertyChangedEventArgs e) |
|||
{ |
|||
if (e.Sender is NumericUpDown upDown) |
|||
{ |
|||
var oldValue = (CultureInfo)e.OldValue; |
|||
var newValue = (CultureInfo)e.NewValue; |
|||
upDown.OnCultureInfoChanged(oldValue, newValue); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="Increment"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="e">The event args.</param>
|
|||
private static void IncrementChanged(AvaloniaPropertyChangedEventArgs e) |
|||
{ |
|||
if (e.Sender is NumericUpDown upDown) |
|||
{ |
|||
var oldValue = (double)e.OldValue; |
|||
var newValue = (double)e.NewValue; |
|||
upDown.OnIncrementChanged(oldValue, newValue); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="FormatString"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="e">The event args.</param>
|
|||
private static void FormatStringChanged(AvaloniaPropertyChangedEventArgs e) |
|||
{ |
|||
if (e.Sender is NumericUpDown upDown) |
|||
{ |
|||
var oldValue = (string)e.OldValue; |
|||
var newValue = (string)e.NewValue; |
|||
upDown.OnFormatStringChanged(oldValue, newValue); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="IsReadOnly"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="e">The event args.</param>
|
|||
private static void OnIsReadOnlyChanged(AvaloniaPropertyChangedEventArgs e) |
|||
{ |
|||
if (e.Sender is NumericUpDown upDown) |
|||
{ |
|||
var oldValue = (bool)e.OldValue; |
|||
var newValue = (bool)e.NewValue; |
|||
upDown.OnIsReadOnlyChanged(oldValue, newValue); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="Maximum"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="e">The event args.</param>
|
|||
private static void OnMaximumChanged(AvaloniaPropertyChangedEventArgs e) |
|||
{ |
|||
if (e.Sender is NumericUpDown upDown) |
|||
{ |
|||
var oldValue = (double)e.OldValue; |
|||
var newValue = (double)e.NewValue; |
|||
upDown.OnMaximumChanged(oldValue, newValue); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="Minimum"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="e">The event args.</param>
|
|||
private static void OnMinimumChanged(AvaloniaPropertyChangedEventArgs e) |
|||
{ |
|||
if (e.Sender is NumericUpDown upDown) |
|||
{ |
|||
var oldValue = (double)e.OldValue; |
|||
var newValue = (double)e.NewValue; |
|||
upDown.OnMinimumChanged(oldValue, newValue); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="Text"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="e">The event args.</param>
|
|||
private static void OnTextChanged(AvaloniaPropertyChangedEventArgs e) |
|||
{ |
|||
if (e.Sender is NumericUpDown upDown) |
|||
{ |
|||
var oldValue = (string)e.OldValue; |
|||
var newValue = (string)e.NewValue; |
|||
upDown.OnTextChanged(oldValue, newValue); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="Value"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="e">The event args.</param>
|
|||
private static void OnValueChanged(AvaloniaPropertyChangedEventArgs e) |
|||
{ |
|||
if (e.Sender is NumericUpDown upDown) |
|||
{ |
|||
var oldValue = (double)e.OldValue; |
|||
var newValue = (double)e.NewValue; |
|||
upDown.OnValueChanged(oldValue, newValue); |
|||
} |
|||
} |
|||
|
|||
private void SetValueInternal(double value) |
|||
{ |
|||
_internalValueSet = true; |
|||
try |
|||
{ |
|||
Value = value; |
|||
} |
|||
finally |
|||
{ |
|||
_internalValueSet = false; |
|||
} |
|||
} |
|||
|
|||
private static double OnCoerceMaximum(NumericUpDown upDown, double value) |
|||
{ |
|||
return upDown.OnCoerceMaximum(value); |
|||
} |
|||
|
|||
private static double OnCoerceMinimum(NumericUpDown upDown, double value) |
|||
{ |
|||
return upDown.OnCoerceMinimum(value); |
|||
} |
|||
|
|||
private static double OnCoerceIncrement(NumericUpDown upDown, double value) |
|||
{ |
|||
return upDown.OnCoerceIncrement(value); |
|||
} |
|||
|
|||
private void TextBoxOnTextChanged() |
|||
{ |
|||
try |
|||
{ |
|||
_isTextChangedFromUI = true; |
|||
if (TextBox != null) |
|||
{ |
|||
Text = TextBox.Text; |
|||
} |
|||
} |
|||
finally |
|||
{ |
|||
_isTextChangedFromUI = false; |
|||
} |
|||
} |
|||
|
|||
private void OnSpinnerSpin(object sender, SpinEventArgs e) |
|||
{ |
|||
if (AllowSpin && !IsReadOnly) |
|||
{ |
|||
var spin = !e.UsingMouseWheel; |
|||
spin |= ((TextBox != null) && TextBox.IsFocused); |
|||
|
|||
if (spin) |
|||
{ |
|||
e.Handled = true; |
|||
OnSpin(e); |
|||
} |
|||
} |
|||
} |
|||
|
|||
private void DoDecrement() |
|||
{ |
|||
if (Spinner == null || (Spinner.ValidSpinDirection & ValidSpinDirections.Decrease) == ValidSpinDirections.Decrease) |
|||
{ |
|||
OnDecrement(); |
|||
} |
|||
} |
|||
|
|||
private void DoIncrement() |
|||
{ |
|||
if (Spinner == null || (Spinner.ValidSpinDirection & ValidSpinDirections.Increase) == ValidSpinDirections.Increase) |
|||
{ |
|||
OnIncrement(); |
|||
} |
|||
} |
|||
|
|||
public event EventHandler<SpinEventArgs> Spinned; |
|||
|
|||
private void TextBoxOnPointerPressed(object sender, PointerPressedEventArgs e) |
|||
{ |
|||
if (e.Device.Captured != Spinner) |
|||
{ |
|||
Dispatcher.UIThread.InvokeAsync(() => { e.Device.Capture(Spinner); }, DispatcherPriority.Input); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Defines the <see cref="ValueChanged"/> event.
|
|||
/// </summary>
|
|||
public static readonly RoutedEvent<NumericUpDownValueChangedEventArgs> ValueChangedEvent = |
|||
RoutedEvent.Register<NumericUpDown, NumericUpDownValueChangedEventArgs>(nameof(ValueChanged), RoutingStrategies.Bubble); |
|||
|
|||
/// <summary>
|
|||
/// Raised when the <see cref="Value"/> changes.
|
|||
/// </summary>
|
|||
public event EventHandler<SpinEventArgs> ValueChanged |
|||
{ |
|||
add { AddHandler(ValueChangedEvent, value); } |
|||
remove { RemoveHandler(ValueChangedEvent, value); } |
|||
} |
|||
|
|||
private bool CommitInput() |
|||
{ |
|||
return SyncTextAndValueProperties(true, Text); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Synchronize <see cref="Text"/> and <see cref="Value"/> properties.
|
|||
/// </summary>
|
|||
/// <param name="updateValueFromText">If value should be updated from text.</param>
|
|||
/// <param name="text">The text.</param>
|
|||
private bool SyncTextAndValueProperties(bool updateValueFromText, string text) |
|||
{ |
|||
return SyncTextAndValueProperties(updateValueFromText, text, false); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Synchronize <see cref="Text"/> and <see cref="Value"/> properties.
|
|||
/// </summary>
|
|||
/// <param name="updateValueFromText">If value should be updated from text.</param>
|
|||
/// <param name="text">The text.</param>
|
|||
/// <param name="forceTextUpdate">Force text update.</param>
|
|||
private bool SyncTextAndValueProperties(bool updateValueFromText, string text, bool forceTextUpdate) |
|||
{ |
|||
if (_isSyncingTextAndValueProperties) |
|||
return true; |
|||
|
|||
_isSyncingTextAndValueProperties = true; |
|||
var parsedTextIsValid = true; |
|||
try |
|||
{ |
|||
if (updateValueFromText) |
|||
{ |
|||
if (!string.IsNullOrEmpty(text)) |
|||
{ |
|||
try |
|||
{ |
|||
var newValue = ConvertTextToValue(text); |
|||
if (!Equals(newValue, Value)) |
|||
{ |
|||
SetValueInternal(newValue); |
|||
} |
|||
} |
|||
catch |
|||
{ |
|||
parsedTextIsValid = false; |
|||
} |
|||
} |
|||
} |
|||
|
|||
// Do not touch the ongoing text input from user.
|
|||
if (!_isTextChangedFromUI) |
|||
{ |
|||
var keepEmpty = !forceTextUpdate && string.IsNullOrEmpty(Text); |
|||
if (!keepEmpty) |
|||
{ |
|||
var newText = ConvertValueToText(); |
|||
if (!Equals(Text, newText)) |
|||
{ |
|||
Text = newText; |
|||
} |
|||
} |
|||
|
|||
// Sync Text and textBox
|
|||
if (TextBox != null) |
|||
{ |
|||
TextBox.Text = Text; |
|||
} |
|||
} |
|||
|
|||
if (_isTextChangedFromUI && !parsedTextIsValid) |
|||
{ |
|||
// Text input was made from the user and the text
|
|||
// repesents an invalid value. Disable the spinner in this case.
|
|||
if (Spinner != null) |
|||
{ |
|||
Spinner.ValidSpinDirection = ValidSpinDirections.None; |
|||
} |
|||
} |
|||
else |
|||
{ |
|||
SetValidSpinDirection(); |
|||
} |
|||
} |
|||
finally |
|||
{ |
|||
_isSyncingTextAndValueProperties = false; |
|||
} |
|||
return parsedTextIsValid; |
|||
} |
|||
|
|||
private double ConvertTextToValueCore(string currentValueText, string text) |
|||
{ |
|||
double result; |
|||
|
|||
if (IsPercent(FormatString)) |
|||
{ |
|||
result = decimal.ToDouble(ParsePercent(text, CultureInfo)); |
|||
} |
|||
else |
|||
{ |
|||
// Problem while converting new text
|
|||
if (!double.TryParse(text, ParsingNumberStyle, CultureInfo, out var outputValue)) |
|||
{ |
|||
var shouldThrow = true; |
|||
|
|||
// Check if CurrentValueText is also failing => it also contains special characters. ex : 90°
|
|||
if (!double.TryParse(currentValueText, ParsingNumberStyle, CultureInfo, out var _)) |
|||
{ |
|||
// extract non-digit characters
|
|||
var currentValueTextSpecialCharacters = currentValueText.Where(c => !char.IsDigit(c)); |
|||
var textSpecialCharacters = text.Where(c => !char.IsDigit(c)); |
|||
// same non-digit characters on currentValueText and new text => remove them on new Text to parse it again.
|
|||
if (currentValueTextSpecialCharacters.Except(textSpecialCharacters).ToList().Count == 0) |
|||
{ |
|||
foreach (var character in textSpecialCharacters) |
|||
{ |
|||
text = text.Replace(character.ToString(), string.Empty); |
|||
} |
|||
// if without the special characters, parsing is good, do not throw
|
|||
if (double.TryParse(text, ParsingNumberStyle, CultureInfo, out outputValue)) |
|||
{ |
|||
shouldThrow = false; |
|||
} |
|||
} |
|||
} |
|||
|
|||
if (shouldThrow) |
|||
{ |
|||
throw new InvalidDataException("Input string was not in a correct format."); |
|||
} |
|||
} |
|||
result = outputValue; |
|||
} |
|||
return result; |
|||
} |
|||
|
|||
private void ValidateMinMax(double value) |
|||
{ |
|||
if (value < Minimum) |
|||
{ |
|||
throw new ArgumentOutOfRangeException(nameof(Minimum), string.Format("Value must be greater than Minimum value of {0}", Minimum)); |
|||
} |
|||
else if (value > Maximum) |
|||
{ |
|||
throw new ArgumentOutOfRangeException(nameof(Maximum), string.Format("Value must be less than Maximum value of {0}", Maximum)); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Parse percent format text
|
|||
/// </summary>
|
|||
/// <param name="text">Text to parse.</param>
|
|||
/// <param name="cultureInfo">The culture info.</param>
|
|||
private static decimal ParsePercent(string text, IFormatProvider cultureInfo) |
|||
{ |
|||
var info = NumberFormatInfo.GetInstance(cultureInfo); |
|||
text = text.Replace(info.PercentSymbol, null); |
|||
var result = decimal.Parse(text, NumberStyles.Any, info); |
|||
result = result / 100; |
|||
return result; |
|||
} |
|||
|
|||
|
|||
private bool IsPercent(string stringToTest) |
|||
{ |
|||
var PIndex = stringToTest.IndexOf("P", StringComparison.Ordinal); |
|||
if (PIndex >= 0) |
|||
{ |
|||
//stringToTest contains a "P" between 2 "'", it's considered as text, not percent
|
|||
var isText = stringToTest.Substring(0, PIndex).Contains("'") |
|||
&& stringToTest.Substring(PIndex, FormatString.Length - PIndex).Contains("'"); |
|||
|
|||
return !isText; |
|||
} |
|||
return false; |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,16 @@ |
|||
using Avalonia.Interactivity; |
|||
|
|||
namespace Avalonia.Controls |
|||
{ |
|||
public class NumericUpDownValueChangedEventArgs : RoutedEventArgs |
|||
{ |
|||
public NumericUpDownValueChangedEventArgs(RoutedEvent routedEvent, double oldValue, double newValue) : base(routedEvent) |
|||
{ |
|||
OldValue = oldValue; |
|||
NewValue = newValue; |
|||
} |
|||
|
|||
public double OldValue { get; } |
|||
public double NewValue { get; } |
|||
} |
|||
} |
|||
@ -0,0 +1,210 @@ |
|||
using System; |
|||
using System.Linq; |
|||
using System.Reactive.Linq; |
|||
using System.Reactive.Subjects; |
|||
using System.Threading.Tasks; |
|||
using Avalonia.Controls; |
|||
using Avalonia.Input; |
|||
using Avalonia.Input.Platform; |
|||
using Avalonia.Input.Raw; |
|||
using Avalonia.Threading; |
|||
using Avalonia.VisualTree; |
|||
|
|||
namespace Avalonia.Platform |
|||
{ |
|||
class InProcessDragSource : IPlatformDragSource |
|||
{ |
|||
private const InputModifiers MOUSE_INPUTMODIFIERS = InputModifiers.LeftMouseButton|InputModifiers.MiddleMouseButton|InputModifiers.RightMouseButton; |
|||
private readonly IDragDropDevice _dragDrop; |
|||
private readonly IInputManager _inputManager; |
|||
private readonly Subject<DragDropEffects> _result = new Subject<DragDropEffects>(); |
|||
|
|||
private DragDropEffects _allowedEffects; |
|||
private IDataObject _draggedData; |
|||
private IInputElement _lastRoot; |
|||
private Point _lastPosition; |
|||
private StandardCursorType _lastCursorType; |
|||
private object _originalCursor; |
|||
private InputModifiers? _initialInputModifiers; |
|||
|
|||
public InProcessDragSource() |
|||
{ |
|||
_inputManager = AvaloniaLocator.Current.GetService<IInputManager>(); |
|||
_dragDrop = AvaloniaLocator.Current.GetService<IDragDropDevice>(); |
|||
} |
|||
|
|||
public async Task<DragDropEffects> DoDragDrop(IDataObject data, DragDropEffects allowedEffects) |
|||
{ |
|||
Dispatcher.UIThread.VerifyAccess(); |
|||
if (_draggedData == null) |
|||
{ |
|||
_draggedData = data; |
|||
_lastRoot = null; |
|||
_lastPosition = default(Point); |
|||
_allowedEffects = allowedEffects; |
|||
|
|||
using (_inputManager.PreProcess.OfType<RawMouseEventArgs>().Subscribe(ProcessMouseEvents)) |
|||
{ |
|||
using (_inputManager.PreProcess.OfType<RawKeyEventArgs>().Subscribe(ProcessKeyEvents)) |
|||
{ |
|||
var effect = await _result.FirstAsync(); |
|||
return effect; |
|||
} |
|||
} |
|||
} |
|||
return DragDropEffects.None; |
|||
} |
|||
|
|||
|
|||
private DragDropEffects RaiseEventAndUpdateCursor(RawDragEventType type, IInputElement root, Point pt, InputModifiers modifiers) |
|||
{ |
|||
_lastPosition = pt; |
|||
|
|||
RawDragEvent rawEvent = new RawDragEvent(_dragDrop, type, root, pt, _draggedData, _allowedEffects); |
|||
var tl = root.GetSelfAndVisualAncestors().OfType<TopLevel>().FirstOrDefault(); |
|||
tl.PlatformImpl.Input(rawEvent); |
|||
|
|||
var effect = GetPreferredEffect(rawEvent.Effects & _allowedEffects, modifiers); |
|||
UpdateCursor(root, effect); |
|||
return effect; |
|||
} |
|||
|
|||
private DragDropEffects GetPreferredEffect(DragDropEffects effect, InputModifiers modifiers) |
|||
{ |
|||
if (effect == DragDropEffects.Copy || effect == DragDropEffects.Move || effect == DragDropEffects.Link || effect == DragDropEffects.None) |
|||
return effect; // No need to check for the modifiers.
|
|||
if (effect.HasFlag(DragDropEffects.Link) && modifiers.HasFlag(InputModifiers.Alt)) |
|||
return DragDropEffects.Link; |
|||
if (effect.HasFlag(DragDropEffects.Copy) && modifiers.HasFlag(InputModifiers.Control)) |
|||
return DragDropEffects.Copy; |
|||
return DragDropEffects.Move; |
|||
} |
|||
|
|||
private StandardCursorType GetCursorForDropEffect(DragDropEffects effects) |
|||
{ |
|||
if (effects.HasFlag(DragDropEffects.Copy)) |
|||
return StandardCursorType.DragCopy; |
|||
if (effects.HasFlag(DragDropEffects.Move)) |
|||
return StandardCursorType.DragMove; |
|||
if (effects.HasFlag(DragDropEffects.Link)) |
|||
return StandardCursorType.DragLink; |
|||
return StandardCursorType.No; |
|||
} |
|||
|
|||
private void UpdateCursor(IInputElement root, DragDropEffects effect) |
|||
{ |
|||
if (_lastRoot != root) |
|||
{ |
|||
if (_lastRoot is InputElement ieLast) |
|||
{ |
|||
if (_originalCursor == AvaloniaProperty.UnsetValue) |
|||
ieLast.ClearValue(InputElement.CursorProperty); |
|||
else |
|||
ieLast.Cursor = _originalCursor as Cursor; |
|||
} |
|||
|
|||
if (root is InputElement ieNew) |
|||
{ |
|||
if (!ieNew.IsSet(InputElement.CursorProperty)) |
|||
_originalCursor = AvaloniaProperty.UnsetValue; |
|||
else |
|||
_originalCursor = root.Cursor; |
|||
} |
|||
else |
|||
_originalCursor = null; |
|||
|
|||
_lastCursorType = StandardCursorType.Arrow; |
|||
_lastRoot = root; |
|||
} |
|||
|
|||
if (root is InputElement ie) |
|||
{ |
|||
var ct = GetCursorForDropEffect(effect); |
|||
if (ct != _lastCursorType) |
|||
{ |
|||
_lastCursorType = ct; |
|||
ie.Cursor = new Cursor(ct); |
|||
} |
|||
} |
|||
} |
|||
|
|||
private void CancelDragging() |
|||
{ |
|||
if (_lastRoot != null) |
|||
RaiseEventAndUpdateCursor(RawDragEventType.DragLeave, _lastRoot, _lastPosition, InputModifiers.None); |
|||
UpdateCursor(null, DragDropEffects.None); |
|||
_result.OnNext(DragDropEffects.None); |
|||
} |
|||
|
|||
private void ProcessKeyEvents(RawKeyEventArgs e) |
|||
{ |
|||
if (e.Type == RawKeyEventType.KeyDown && e.Key == Key.Escape) |
|||
{ |
|||
if (_lastRoot != null) |
|||
RaiseEventAndUpdateCursor(RawDragEventType.DragLeave, _lastRoot, _lastPosition, e.Modifiers); |
|||
UpdateCursor(null, DragDropEffects.None); |
|||
_result.OnNext(DragDropEffects.None); |
|||
e.Handled = true; |
|||
} |
|||
else if (e.Key == Key.LeftCtrl || e.Key == Key.RightCtrl || e.Key == Key.LeftAlt || e.Key == Key.RightAlt) |
|||
RaiseEventAndUpdateCursor(RawDragEventType.DragOver, _lastRoot, _lastPosition, e.Modifiers); |
|||
} |
|||
|
|||
private void ProcessMouseEvents(RawMouseEventArgs e) |
|||
{ |
|||
if (!_initialInputModifiers.HasValue) |
|||
_initialInputModifiers = e.InputModifiers & MOUSE_INPUTMODIFIERS; |
|||
|
|||
|
|||
void CheckDraggingAccepted(InputModifiers changedMouseButton) |
|||
{ |
|||
if (_initialInputModifiers.Value.HasFlag(changedMouseButton)) |
|||
{ |
|||
var result = RaiseEventAndUpdateCursor(RawDragEventType.Drop, e.Root, e.Position, e.InputModifiers); |
|||
UpdateCursor(null, DragDropEffects.None); |
|||
_result.OnNext(result); |
|||
} |
|||
else |
|||
CancelDragging(); |
|||
e.Handled = true; |
|||
} |
|||
|
|||
switch (e.Type) |
|||
{ |
|||
case RawMouseEventType.LeftButtonDown: |
|||
case RawMouseEventType.RightButtonDown: |
|||
case RawMouseEventType.MiddleButtonDown: |
|||
case RawMouseEventType.NonClientLeftButtonDown: |
|||
CancelDragging(); |
|||
e.Handled = true; |
|||
return; |
|||
case RawMouseEventType.LeaveWindow: |
|||
RaiseEventAndUpdateCursor(RawDragEventType.DragLeave, e.Root, e.Position, e.InputModifiers); break; |
|||
case RawMouseEventType.LeftButtonUp: |
|||
CheckDraggingAccepted(InputModifiers.LeftMouseButton); break; |
|||
case RawMouseEventType.MiddleButtonUp: |
|||
CheckDraggingAccepted(InputModifiers.MiddleMouseButton); break; |
|||
case RawMouseEventType.RightButtonUp: |
|||
CheckDraggingAccepted(InputModifiers.RightMouseButton); break; |
|||
case RawMouseEventType.Move: |
|||
var mods = e.InputModifiers & MOUSE_INPUTMODIFIERS; |
|||
if (_initialInputModifiers.Value != mods) |
|||
{ |
|||
CancelDragging(); |
|||
e.Handled = true; |
|||
return; |
|||
} |
|||
|
|||
if (e.Root != _lastRoot) |
|||
{ |
|||
if (_lastRoot != null) |
|||
RaiseEventAndUpdateCursor(RawDragEventType.DragLeave, _lastRoot, _lastRoot.PointToClient(e.Root.PointToScreen(e.Position)), e.InputModifiers); |
|||
RaiseEventAndUpdateCursor(RawDragEventType.DragEnter, e.Root, e.Position, e.InputModifiers); |
|||
} |
|||
else |
|||
RaiseEventAndUpdateCursor(RawDragEventType.DragOver, e.Root, e.Position, e.InputModifiers); |
|||
break; |
|||
} |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,174 @@ |
|||
using System; |
|||
using System.Collections.Generic; |
|||
using System.Text; |
|||
using Avalonia.Interactivity; |
|||
|
|||
namespace Avalonia.Controls |
|||
{ |
|||
/// <summary>
|
|||
/// Represents spin directions that are valid.
|
|||
/// </summary>
|
|||
[Flags] |
|||
public enum ValidSpinDirections |
|||
{ |
|||
/// <summary>
|
|||
/// Can not increase nor decrease.
|
|||
/// </summary>
|
|||
None = 0, |
|||
|
|||
/// <summary>
|
|||
/// Can increase.
|
|||
/// </summary>
|
|||
Increase = 1, |
|||
|
|||
/// <summary>
|
|||
/// Can decrease.
|
|||
/// </summary>
|
|||
Decrease = 2 |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Represents spin directions that could be initiated by the end-user.
|
|||
/// </summary>
|
|||
public enum SpinDirection |
|||
{ |
|||
/// <summary>
|
|||
/// Represents a spin initiated by the end-user in order to Increase a value.
|
|||
/// </summary>
|
|||
Increase = 0, |
|||
|
|||
/// <summary>
|
|||
/// Represents a spin initiated by the end-user in order to Decrease a value.
|
|||
/// </summary>
|
|||
Decrease = 1 |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Provides data for the Spinner.Spin event.
|
|||
/// </summary>
|
|||
public class SpinEventArgs : RoutedEventArgs |
|||
{ |
|||
/// <summary>
|
|||
/// Gets the SpinDirection for the spin that has been initiated by the end-user.
|
|||
/// </summary>
|
|||
public SpinDirection Direction { get; } |
|||
|
|||
/// <summary>
|
|||
/// Get or set whheter the spin event originated from a mouse wheel event.
|
|||
/// </summary>
|
|||
public bool UsingMouseWheel{ get; } |
|||
|
|||
/// <summary>
|
|||
/// Initializes a new instance of the SpinEventArgs class.
|
|||
/// </summary>
|
|||
/// <param name="direction">Spin direction.</param>
|
|||
public SpinEventArgs(SpinDirection direction) |
|||
{ |
|||
Direction = direction; |
|||
} |
|||
|
|||
public SpinEventArgs(RoutedEvent routedEvent, SpinDirection direction) |
|||
: base(routedEvent) |
|||
{ |
|||
Direction = direction; |
|||
} |
|||
|
|||
public SpinEventArgs(SpinDirection direction, bool usingMouseWheel) |
|||
{ |
|||
Direction = direction; |
|||
UsingMouseWheel = usingMouseWheel; |
|||
} |
|||
|
|||
public SpinEventArgs(RoutedEvent routedEvent, SpinDirection direction, bool usingMouseWheel) |
|||
: base(routedEvent) |
|||
{ |
|||
Direction = direction; |
|||
UsingMouseWheel = usingMouseWheel; |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Base class for controls that represents controls that can spin.
|
|||
/// </summary>
|
|||
public abstract class Spinner : ContentControl |
|||
{ |
|||
/// <summary>
|
|||
/// Defines the <see cref="ValidSpinDirection"/> property.
|
|||
/// </summary>
|
|||
public static readonly StyledProperty<ValidSpinDirections> ValidSpinDirectionProperty = |
|||
AvaloniaProperty.Register<Spinner, ValidSpinDirections>(nameof(ValidSpinDirection), |
|||
ValidSpinDirections.Increase | ValidSpinDirections.Decrease); |
|||
|
|||
/// <summary>
|
|||
/// Defines the <see cref="Spin"/> event.
|
|||
/// </summary>
|
|||
public static readonly RoutedEvent<SpinEventArgs> SpinEvent = |
|||
RoutedEvent.Register<Spinner, SpinEventArgs>(nameof(Spin), RoutingStrategies.Bubble); |
|||
|
|||
/// <summary>
|
|||
/// Initializes static members of the <see cref="Spinner"/> class.
|
|||
/// </summary>
|
|||
static Spinner() |
|||
{ |
|||
ValidSpinDirectionProperty.Changed.Subscribe(OnValidSpinDirectionPropertyChanged); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Occurs when spinning is initiated by the end-user.
|
|||
/// </summary>
|
|||
public event EventHandler<SpinEventArgs> Spin |
|||
{ |
|||
add { AddHandler(SpinEvent, value); } |
|||
remove { RemoveHandler(SpinEvent, value); } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets <see cref="ValidSpinDirections"/> allowed for this control.
|
|||
/// </summary>
|
|||
public ValidSpinDirections ValidSpinDirection |
|||
{ |
|||
get { return GetValue(ValidSpinDirectionProperty); } |
|||
set { SetValue(ValidSpinDirectionProperty, value); } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when valid spin direction changed.
|
|||
/// </summary>
|
|||
/// <param name="oldValue">The old value.</param>
|
|||
/// <param name="newValue">The new value.</param>
|
|||
protected virtual void OnValidSpinDirectionChanged(ValidSpinDirections oldValue, ValidSpinDirections newValue) |
|||
{ |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Raises the OnSpin event when spinning is initiated by the end-user.
|
|||
/// </summary>
|
|||
/// <param name="e">Spin event args.</param>
|
|||
protected virtual void OnSpin(SpinEventArgs e) |
|||
{ |
|||
var valid = e.Direction == SpinDirection.Increase |
|||
? ValidSpinDirections.Increase |
|||
: ValidSpinDirections.Decrease; |
|||
|
|||
//Only raise the event if spin is allowed.
|
|||
if ((ValidSpinDirection & valid) == valid) |
|||
{ |
|||
RaiseEvent(e); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Called when the <see cref="ValidSpinDirection"/> property value changed.
|
|||
/// </summary>
|
|||
/// <param name="e">The event args.</param>
|
|||
private static void OnValidSpinDirectionPropertyChanged(AvaloniaPropertyChangedEventArgs e) |
|||
{ |
|||
if (e.Sender is Spinner spinner) |
|||
{ |
|||
var oldValue = (ValidSpinDirections)e.OldValue; |
|||
var newValue = (ValidSpinDirections)e.NewValue; |
|||
spinner.OnValidSpinDirectionChanged(oldValue, newValue); |
|||
} |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,279 @@ |
|||
// Copyright (c) The Avalonia Project. All rights reserved.
|
|||
// Licensed under the MIT license. See licence.md file in the project root for full license information.
|
|||
|
|||
using System; |
|||
using Avalonia.Media; |
|||
|
|||
namespace Avalonia.Controls.Utils |
|||
{ |
|||
internal class BorderRenderHelper |
|||
{ |
|||
private bool _useComplexRendering; |
|||
private StreamGeometry _backgroundGeometryCache; |
|||
private StreamGeometry _borderGeometryCache; |
|||
|
|||
public void Update(Size finalSize, Thickness borderThickness, CornerRadius cornerRadius) |
|||
{ |
|||
if (borderThickness.IsUniform && cornerRadius.IsUniform) |
|||
{ |
|||
_backgroundGeometryCache = null; |
|||
_borderGeometryCache = null; |
|||
_useComplexRendering = false; |
|||
} |
|||
else |
|||
{ |
|||
_useComplexRendering = true; |
|||
|
|||
var boundRect = new Rect(finalSize); |
|||
var innerRect = boundRect.Deflate(borderThickness); |
|||
var innerCoordinates = new BorderCoordinates(cornerRadius, borderThickness, false); |
|||
|
|||
StreamGeometry backgroundGeometry = null; |
|||
|
|||
if (innerRect.Width != 0 && innerRect.Height != 0) |
|||
{ |
|||
backgroundGeometry = new StreamGeometry(); |
|||
|
|||
using (var ctx = backgroundGeometry.Open()) |
|||
{ |
|||
CreateGeometry(ctx, innerRect, innerCoordinates); |
|||
} |
|||
|
|||
_backgroundGeometryCache = backgroundGeometry; |
|||
} |
|||
else |
|||
{ |
|||
_backgroundGeometryCache = null; |
|||
} |
|||
|
|||
if (boundRect.Width != 0 && innerRect.Height != 0) |
|||
{ |
|||
var outerCoordinates = new BorderCoordinates(cornerRadius, borderThickness, true); |
|||
var borderGeometry = new StreamGeometry(); |
|||
|
|||
using (var ctx = borderGeometry.Open()) |
|||
{ |
|||
CreateGeometry(ctx, boundRect, outerCoordinates); |
|||
|
|||
if (backgroundGeometry != null) |
|||
{ |
|||
CreateGeometry(ctx, innerRect, innerCoordinates); |
|||
} |
|||
} |
|||
|
|||
_borderGeometryCache = borderGeometry; |
|||
} |
|||
else |
|||
{ |
|||
_borderGeometryCache = null; |
|||
} |
|||
} |
|||
} |
|||
|
|||
public void Render(DrawingContext context, Size size, Thickness borders, CornerRadius radii, IBrush background, IBrush borderBrush) |
|||
{ |
|||
if (_useComplexRendering) |
|||
{ |
|||
var backgroundGeometry = _backgroundGeometryCache; |
|||
if (backgroundGeometry != null) |
|||
{ |
|||
context.DrawGeometry(background, null, backgroundGeometry); |
|||
} |
|||
|
|||
var borderGeometry = _borderGeometryCache; |
|||
if (borderGeometry != null) |
|||
{ |
|||
context.DrawGeometry(borderBrush, null, borderGeometry); |
|||
} |
|||
} |
|||
else |
|||
{ |
|||
var borderThickness = borders.Left; |
|||
var cornerRadius = (float)radii.TopLeft; |
|||
var rect = new Rect(size); |
|||
|
|||
if (background != null) |
|||
{ |
|||
context.FillRectangle(background, rect.Deflate(borders), cornerRadius); |
|||
} |
|||
|
|||
if (borderBrush != null && borderThickness > 0) |
|||
{ |
|||
context.DrawRectangle(new Pen(borderBrush, borderThickness), rect.Deflate(borderThickness), cornerRadius); |
|||
} |
|||
} |
|||
} |
|||
|
|||
private static void CreateGeometry(StreamGeometryContext context, Rect boundRect, BorderCoordinates borderCoordinates) |
|||
{ |
|||
var topLeft = new Point(borderCoordinates.LeftTop, 0); |
|||
var topRight = new Point(boundRect.Width - borderCoordinates.RightTop, 0); |
|||
var rightTop = new Point(boundRect.Width, borderCoordinates.TopRight); |
|||
var rightBottom = new Point(boundRect.Width, boundRect.Height - borderCoordinates.BottomRight); |
|||
var bottomRight = new Point(boundRect.Width - borderCoordinates.RightBottom, boundRect.Height); |
|||
var bottomLeft = new Point(borderCoordinates.LeftBottom, boundRect.Height); |
|||
var leftBottom = new Point(0, boundRect.Height - borderCoordinates.BottomLeft); |
|||
var leftTop = new Point(0, borderCoordinates.TopLeft); |
|||
|
|||
|
|||
if (topLeft.X > topRight.X) |
|||
{ |
|||
var scaledX = borderCoordinates.LeftTop / (borderCoordinates.LeftTop + borderCoordinates.RightTop) * boundRect.Width; |
|||
topLeft = new Point(scaledX, topLeft.Y); |
|||
topRight = new Point(scaledX, topRight.Y); |
|||
} |
|||
|
|||
if (rightTop.Y > rightBottom.Y) |
|||
{ |
|||
var scaledY = borderCoordinates.TopRight / (borderCoordinates.TopRight + borderCoordinates.BottomRight) * boundRect.Height; |
|||
rightTop = new Point(rightTop.X, scaledY); |
|||
rightBottom = new Point(rightBottom.X, scaledY); |
|||
} |
|||
|
|||
if (bottomRight.X < bottomLeft.X) |
|||
{ |
|||
var scaledX = borderCoordinates.LeftBottom / (borderCoordinates.LeftBottom + borderCoordinates.RightBottom) * boundRect.Width; |
|||
bottomRight = new Point(scaledX, bottomRight.Y); |
|||
bottomLeft = new Point(scaledX, bottomLeft.Y); |
|||
} |
|||
|
|||
if (leftBottom.Y < leftTop.Y) |
|||
{ |
|||
var scaledY = borderCoordinates.TopLeft / (borderCoordinates.TopLeft + borderCoordinates.BottomLeft) * boundRect.Height; |
|||
leftBottom = new Point(leftBottom.X, scaledY); |
|||
leftTop = new Point(leftTop.X, scaledY); |
|||
} |
|||
|
|||
var offset = new Vector(boundRect.TopLeft.X, boundRect.TopLeft.Y); |
|||
topLeft += offset; |
|||
topRight += offset; |
|||
rightTop += offset; |
|||
rightBottom += offset; |
|||
bottomRight += offset; |
|||
bottomLeft += offset; |
|||
leftBottom += offset; |
|||
leftTop += offset; |
|||
|
|||
context.BeginFigure(topLeft, true); |
|||
|
|||
//Top
|
|||
context.LineTo(topRight); |
|||
|
|||
//TopRight corner
|
|||
var radiusX = boundRect.TopRight.X - topRight.X; |
|||
var radiusY = rightTop.Y - boundRect.TopRight.Y; |
|||
if (radiusX != 0 || radiusY != 0) |
|||
{ |
|||
context.ArcTo(rightTop, new Size(radiusY, radiusY), 0, false, SweepDirection.Clockwise); |
|||
} |
|||
|
|||
//Right
|
|||
context.LineTo(rightBottom); |
|||
|
|||
//BottomRight corner
|
|||
radiusX = boundRect.BottomRight.X - bottomRight.X; |
|||
radiusY = boundRect.BottomRight.Y - rightBottom.Y; |
|||
if (radiusX != 0 || radiusY != 0) |
|||
{ |
|||
context.ArcTo(bottomRight, new Size(radiusX, radiusY), 0, false, SweepDirection.Clockwise); |
|||
} |
|||
|
|||
//Bottom
|
|||
context.LineTo(bottomLeft); |
|||
|
|||
//BottomLeft corner
|
|||
radiusX = bottomLeft.X - boundRect.BottomLeft.X; |
|||
radiusY = boundRect.BottomLeft.Y - leftBottom.Y; |
|||
if (radiusX != 0 || radiusY != 0) |
|||
{ |
|||
context.ArcTo(leftBottom, new Size(radiusX, radiusY), 0, false, SweepDirection.Clockwise); |
|||
} |
|||
|
|||
//Left
|
|||
context.LineTo(leftTop); |
|||
|
|||
//TopLeft corner
|
|||
radiusX = topLeft.X - boundRect.TopLeft.X; |
|||
radiusY = leftTop.Y - boundRect.TopLeft.Y; |
|||
|
|||
if (radiusX != 0 || radiusY != 0) |
|||
{ |
|||
context.ArcTo(topLeft, new Size(radiusX, radiusY), 0, false, SweepDirection.Clockwise); |
|||
} |
|||
|
|||
context.EndFigure(true); |
|||
} |
|||
|
|||
private struct BorderCoordinates |
|||
{ |
|||
internal BorderCoordinates(CornerRadius cornerRadius, Thickness borderThickness, bool isOuter) |
|||
{ |
|||
var left = 0.5 * borderThickness.Left; |
|||
var top = 0.5 * borderThickness.Top; |
|||
var right = 0.5 * borderThickness.Right; |
|||
var bottom = 0.5 * borderThickness.Bottom; |
|||
|
|||
if (isOuter) |
|||
{ |
|||
if (cornerRadius.TopLeft == 0) |
|||
{ |
|||
LeftTop = TopLeft = 0.0; |
|||
} |
|||
else |
|||
{ |
|||
LeftTop = cornerRadius.TopLeft + left; |
|||
TopLeft = cornerRadius.TopLeft + top; |
|||
} |
|||
if (cornerRadius.TopRight == 0) |
|||
{ |
|||
TopRight = RightTop = 0; |
|||
} |
|||
else |
|||
{ |
|||
TopRight = cornerRadius.TopRight + top; |
|||
RightTop = cornerRadius.TopRight + right; |
|||
} |
|||
if (cornerRadius.BottomRight == 0) |
|||
{ |
|||
RightBottom = BottomRight = 0; |
|||
} |
|||
else |
|||
{ |
|||
RightBottom = cornerRadius.BottomRight + right; |
|||
BottomRight = cornerRadius.BottomRight + bottom; |
|||
} |
|||
if (cornerRadius.BottomLeft == 0) |
|||
{ |
|||
BottomLeft = LeftBottom = 0; |
|||
} |
|||
else |
|||
{ |
|||
BottomLeft = cornerRadius.BottomLeft + bottom; |
|||
LeftBottom = cornerRadius.BottomLeft + left; |
|||
} |
|||
} |
|||
else |
|||
{ |
|||
LeftTop = Math.Max(0, cornerRadius.TopLeft - left); |
|||
TopLeft = Math.Max(0, cornerRadius.TopLeft - top); |
|||
TopRight = Math.Max(0, cornerRadius.TopRight - top); |
|||
RightTop = Math.Max(0, cornerRadius.TopRight - right); |
|||
RightBottom = Math.Max(0, cornerRadius.BottomRight - right); |
|||
BottomRight = Math.Max(0, cornerRadius.BottomRight - bottom); |
|||
BottomLeft = Math.Max(0, cornerRadius.BottomLeft - bottom); |
|||
LeftBottom = Math.Max(0, cornerRadius.BottomLeft - left); |
|||
} |
|||
} |
|||
|
|||
internal readonly double LeftTop; |
|||
internal readonly double TopLeft; |
|||
internal readonly double TopRight; |
|||
internal readonly double RightTop; |
|||
internal readonly double RightBottom; |
|||
internal readonly double BottomRight; |
|||
internal readonly double BottomLeft; |
|||
internal readonly double LeftBottom; |
|||
} |
|||
|
|||
} |
|||
} |
|||
@ -0,0 +1,700 @@ |
|||
using System; |
|||
using System.Collections.Generic; |
|||
using System.Diagnostics; |
|||
using System.Globalization; |
|||
using System.Linq; |
|||
using System.Runtime.CompilerServices; |
|||
using Avalonia.Layout; |
|||
using JetBrains.Annotations; |
|||
|
|||
namespace Avalonia.Controls.Utils |
|||
{ |
|||
/// <summary>
|
|||
/// Contains algorithms that can help to measure and arrange a Grid.
|
|||
/// </summary>
|
|||
internal class GridLayout |
|||
{ |
|||
/// <summary>
|
|||
/// Initialize a new <see cref="GridLayout"/> instance from the column definitions.
|
|||
/// The instance doesn't care about whether the definitions are rows or columns.
|
|||
/// It will not calculate the column or row differently.
|
|||
/// </summary>
|
|||
internal GridLayout([NotNull] ColumnDefinitions columns) |
|||
{ |
|||
if (columns == null) throw new ArgumentNullException(nameof(columns)); |
|||
_conventions = columns.Count == 0 |
|||
? new List<LengthConvention> { new LengthConvention() } |
|||
: columns.Select(x => new LengthConvention(x.Width, x.MinWidth, x.MaxWidth)).ToList(); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Initialize a new <see cref="GridLayout"/> instance from the row definitions.
|
|||
/// The instance doesn't care about whether the definitions are rows or columns.
|
|||
/// It will not calculate the column or row differently.
|
|||
/// </summary>
|
|||
internal GridLayout([NotNull] RowDefinitions rows) |
|||
{ |
|||
if (rows == null) throw new ArgumentNullException(nameof(rows)); |
|||
_conventions = rows.Count == 0 |
|||
? new List<LengthConvention> { new LengthConvention() } |
|||
: rows.Select(x => new LengthConvention(x.Height, x.MinHeight, x.MaxHeight)).ToList(); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets the layout tolerance. If any length offset is less than this value, we will treat them the same.
|
|||
/// </summary>
|
|||
private const double LayoutTolerance = 1.0 / 256.0; |
|||
|
|||
/// <summary>
|
|||
/// Gets all the length conventions that come from column/row definitions.
|
|||
/// These conventions provide cell limitations, such as the expected pixel length, the min/max pixel length and the * count.
|
|||
/// </summary>
|
|||
[NotNull] |
|||
private readonly List<LengthConvention> _conventions; |
|||
|
|||
/// <summary>
|
|||
/// Gets all the length conventions that come from the grid children.
|
|||
/// </summary>
|
|||
[NotNull] |
|||
private readonly List<AdditionalLengthConvention> _additionalConventions = |
|||
new List<AdditionalLengthConvention>(); |
|||
|
|||
/// <summary>
|
|||
/// Appending these elements into the convention list helps lay them out according to their desired sizes.
|
|||
/// <para/>
|
|||
/// Some elements are not only in a single grid cell, they have one or more column/row spans,
|
|||
/// and these elements may affect the grid layout especially the measuring procedure.<para/>
|
|||
/// Append these elements into the convention list can help to layout them correctly through
|
|||
/// their desired size. Only a small subset of children need to be measured before layout starts
|
|||
/// and they will be called via the<paramref name="getDesiredLength"/> callback.
|
|||
/// </summary>
|
|||
/// <typeparam name="T">The grid children type.</typeparam>
|
|||
/// <param name="source">
|
|||
/// Contains the safe column/row index and its span.
|
|||
/// Notice that we will not verify whether the range is in the column/row count,
|
|||
/// so you should get the safe column/row info first.
|
|||
/// </param>
|
|||
/// <param name="getDesiredLength">
|
|||
/// This callback will be called if the <see cref="GridLayout"/> thinks that a child should be
|
|||
/// measured first. Usually, these are the children that have the * or Auto length.
|
|||
/// </param>
|
|||
internal void AppendMeasureConventions<T>([NotNull] IDictionary<T, (int index, int span)> source, |
|||
[NotNull] Func<T, double> getDesiredLength) |
|||
{ |
|||
if (source == null) throw new ArgumentNullException(nameof(source)); |
|||
if (getDesiredLength == null) throw new ArgumentNullException(nameof(getDesiredLength)); |
|||
|
|||
// M1/7. Find all the Auto and * length columns/rows. (M1/7 means the 1st procedure of measurement.)
|
|||
// Only these columns/rows' layout can be affected by the child desired size.
|
|||
//
|
|||
// Find all columns/rows that have Auto or * length. We'll measure the children in advance.
|
|||
// Only these kind of columns/rows will affect the Grid layout.
|
|||
// Please note:
|
|||
// - If the column / row has Auto length, the Grid.DesiredSize and the column width
|
|||
// will be affected by the child's desired size.
|
|||
// - If the column / row has* length, the Grid.DesiredSize will be affected by the
|
|||
// child's desired size but the column width not.
|
|||
|
|||
// +-----------------------------------------------------------+
|
|||
// | * | A | * | P | A | * | P | * | * |
|
|||
// +-----------------------------------------------------------+
|
|||
// _conventions: | min | max | | | min | | min max | max |
|
|||
// _additionalC: |<- desired ->| |< desired >|
|
|||
// _additionalC: |< desired >| |<- desired ->|
|
|||
|
|||
// 寻找所有行列范围中包含 Auto 和 * 的元素，使用全部可用尺寸提前测量。
|
|||
// 因为只有这部分元素的布局才会被 Grid 的子元素尺寸影响。
|
|||
// 请注意：
|
|||
// - Auto 长度的行列必定会受到子元素布局影响，会影响到行列的布局长度和 Grid 本身的 DesiredSize；
|
|||
// - 而对于 * 长度，只有 Grid.DesiredSize 会受到子元素布局影响，而行列长度不会受影响。
|
|||
|
|||
// Find all the Auto and * length columns/rows.
|
|||
var found = new Dictionary<T, (int index, int span)>(); |
|||
for (var i = 0; i < _conventions.Count; i++) |
|||
{ |
|||
var index = i; |
|||
var convention = _conventions[index]; |
|||
if (convention.Length.IsAuto || convention.Length.IsStar) |
|||
{ |
|||
foreach (var pair in source.Where(x => |
|||
x.Value.index <= index && index < x.Value.index + x.Value.span)) |
|||
{ |
|||
found[pair.Key] = pair.Value; |
|||
} |
|||
} |
|||
} |
|||
|
|||
// Append these layout into the additional convention list.
|
|||
foreach (var pair in found) |
|||
{ |
|||
var t = pair.Key; |
|||
var (index, span) = pair.Value; |
|||
var desiredLength = getDesiredLength(t); |
|||
if (Math.Abs(desiredLength) > LayoutTolerance) |
|||
{ |
|||
_additionalConventions.Add(new AdditionalLengthConvention(index, span, desiredLength)); |
|||
} |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Run measure procedure according to the <paramref name="containerLength"/> and gets the <see cref="MeasureResult"/>.
|
|||
/// </summary>
|
|||
/// <param name="containerLength">
|
|||
/// The container length. Usually, it is the constraint of the <see cref="Layoutable.MeasureOverride"/> method.
|
|||
/// </param>
|
|||
/// <returns>
|
|||
/// The measured result that containing the desired size and all the column/row lengths.
|
|||
/// </returns>
|
|||
[NotNull, Pure] |
|||
internal MeasureResult Measure(double containerLength) |
|||
{ |
|||
// Prepare all the variables that this method needs to use.
|
|||
var conventions = _conventions.Select(x => x.Clone()).ToList(); |
|||
var starCount = conventions.Where(x => x.Length.IsStar).Sum(x => x.Length.Value); |
|||
var aggregatedLength = 0.0; |
|||
double starUnitLength; |
|||
|
|||
// M2/7. Aggregate all the pixel lengths. Then we can get the remaining length by `containerLength - aggregatedLength`.
|
|||
// We mark the aggregated length as "fix" because we can completely determine their values. Same as below.
|
|||
//
|
|||
// +-----------------------------------------------------------+
|
|||
// | * | A | * | P | A | * | P | * | * |
|
|||
// +-----------------------------------------------------------+
|
|||
// |#fix#| |#fix#|
|
|||
//
|
|||
// 将全部的固定像素长度的行列长度累加。这样，containerLength - aggregatedLength 便能得到剩余长度。
|
|||
// 我们会将所有能够确定下长度的行列标记为 fix。下同。
|
|||
// 请注意：
|
|||
// - 我们并没有直接从 containerLength 一直减下去，而是使用 aggregatedLength 进行累加，是因为无穷大相减得到的是 NaN，不利于后续计算。
|
|||
|
|||
aggregatedLength += conventions.Where(x => x.Length.IsAbsolute).Sum(x => x.Length.Value); |
|||
|
|||
// M3/7. Fix all the * lengths that have reached the minimum.
|
|||
//
|
|||
// +-----------------------------------------------------------+
|
|||
// | * | A | * | P | A | * | P | * | * |
|
|||
// +-----------------------------------------------------------+
|
|||
// | min | max | | | min | | min max | max |
|
|||
// | fix | |#fix#| fix |
|
|||
|
|||
var shouldTestStarMin = true; |
|||
while (shouldTestStarMin) |
|||
{ |
|||
// Calculate the unit * length to estimate the length of each column/row that has * length.
|
|||
// Under this estimated length, check if there is a minimum value that has a length less than its constraint.
|
|||
// If there is such a *, then fix the size of this cell, and then loop it again until there is no * that can be constrained by the minimum value.
|
|||
//
|
|||
// 计算单位 * 的长度，以便预估出每一个 * 行列的长度。
|
|||
// 在此预估的长度下，从前往后寻找是否存在某个 * 长度已经小于其约束的最小值。
|
|||
// 如果发现存在这样的 *，那么将此单元格的尺寸固定下来（Fix），然后循环重来，直至再也没有能被最小值约束的 *。
|
|||
var @fixed = false; |
|||
starUnitLength = (containerLength - aggregatedLength) / starCount; |
|||
foreach (var convention in conventions.Where(x => x.Length.IsStar)) |
|||
{ |
|||
var (star, min) = (convention.Length.Value, convention.MinLength); |
|||
var starLength = star * starUnitLength; |
|||
if (starLength < min) |
|||
{ |
|||
convention.Fix(min); |
|||
starLength = min; |
|||
aggregatedLength += starLength; |
|||
starCount -= star; |
|||
@fixed = true; |
|||
break; |
|||
} |
|||
} |
|||
|
|||
shouldTestStarMin = @fixed; |
|||
} |
|||
|
|||
// M4/7. Determine the absolute pixel size of all columns/rows that have an Auto length.
|
|||
//
|
|||
// +-----------------------------------------------------------+
|
|||
// | * | A | * | P | A | * | P | * | * |
|
|||
// +-----------------------------------------------------------+
|
|||
// | min | max | | | min | | min max | max |
|
|||
// |#fix#| | fix |#fix#| fix | fix |
|
|||
|
|||
var shouldTestAuto = true; |
|||
while (shouldTestAuto) |
|||
{ |
|||
var @fixed = false; |
|||
starUnitLength = (containerLength - aggregatedLength) / starCount; |
|||
for (var i = 0; i < conventions.Count; i++) |
|||
{ |
|||
var convention = conventions[i]; |
|||
if (!convention.Length.IsAuto) |
|||
{ |
|||
continue; |
|||
} |
|||
|
|||
var more = ApplyAdditionalConventionsForAuto(conventions, i, starUnitLength); |
|||
convention.Fix(more); |
|||
aggregatedLength += more; |
|||
@fixed = true; |
|||
break; |
|||
} |
|||
|
|||
shouldTestAuto = @fixed; |
|||
} |
|||
|
|||
// M5/7. Expand the stars according to the additional conventions (usually the child desired length).
|
|||
// We can't fix this kind of length, so we just mark them as desired (des).
|
|||
//
|
|||
// +-----------------------------------------------------------+
|
|||
// | * | A | * | P | A | * | P | * | * |
|
|||
// +-----------------------------------------------------------+
|
|||
// | min | max | | | min | | min max | max |
|
|||
// |#des#| fix |#des#| fix | fix | fix | fix | #des# |#des#|
|
|||
|
|||
var desiredStarMin = AggregateAdditionalConventionsForStars(conventions); |
|||
aggregatedLength += desiredStarMin; |
|||
|
|||
// M6/7. Determine the desired length of the grid for current container length. Its value is stored in desiredLength.
|
|||
// Assume if the container has infinite length, the grid desired length is stored in greedyDesiredLength.
|
|||
//
|
|||
// +-----------------------------------------------------------+
|
|||
// | * | A | * | P | A | * | P | * | * |
|
|||
// +-----------------------------------------------------------+
|
|||
// | min | max | | | min | | min max | max |
|
|||
// |#des#| fix |#des#| fix | fix | fix | fix | #des# |#des#|
|
|||
// Note: This table will be stored as the intermediate result into the MeasureResult and it will be reused by Arrange procedure.
|
|||
//
|
|||
// desiredLength = Math.Max(0.0, des + fix + des + fix + fix + fix + fix + des + des)
|
|||
// greedyDesiredLength = des + fix + des + fix + fix + fix + fix + des + des
|
|||
|
|||
var desiredLength = containerLength - aggregatedLength >= 0.0 ? aggregatedLength : containerLength; |
|||
var greedyDesiredLength = aggregatedLength; |
|||
|
|||
// M7/7. Expand all the rest stars. These stars have no conventions or only have
|
|||
// max value they can be expanded from zero to constraint.
|
|||
//
|
|||
// +-----------------------------------------------------------+
|
|||
// | * | A | * | P | A | * | P | * | * |
|
|||
// +-----------------------------------------------------------+
|
|||
// | min | max | | | min | | min max | max |
|
|||
// |#fix#| fix |#fix#| fix | fix | fix | fix | #fix# |#fix#|
|
|||
// Note: This table will be stored as the final result into the MeasureResult.
|
|||
|
|||
var dynamicConvention = ExpandStars(conventions, containerLength); |
|||
Clip(dynamicConvention, containerLength); |
|||
|
|||
// Returns the measuring result.
|
|||
return new MeasureResult(containerLength, desiredLength, greedyDesiredLength, |
|||
conventions, dynamicConvention); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Run arrange procedure according to the <paramref name="measure"/> and gets the <see cref="ArrangeResult"/>.
|
|||
/// </summary>
|
|||
/// <param name="finalLength">
|
|||
/// The container length. Usually, it is the finalSize of the <see cref="Layoutable.ArrangeOverride"/> method.
|
|||
/// </param>
|
|||
/// <param name="measure">
|
|||
/// The result that the measuring procedure returns. If it is null, a new measure procedure will run.
|
|||
/// </param>
|
|||
/// <returns>
|
|||
/// The measured result that containing the desired size and all the column/row length.
|
|||
/// </returns>
|
|||
[NotNull, Pure] |
|||
public ArrangeResult Arrange(double finalLength, [CanBeNull] MeasureResult measure) |
|||
{ |
|||
measure = measure ?? Measure(finalLength); |
|||
|
|||
// If the arrange final length does not equal to the measure length, we should measure again.
|
|||
if (finalLength - measure.ContainerLength > LayoutTolerance) |
|||
{ |
|||
// If the final length is larger, we will rerun the whole measure.
|
|||
measure = Measure(finalLength); |
|||
} |
|||
else if (finalLength - measure.ContainerLength < -LayoutTolerance) |
|||
{ |
|||
// If the final length is smaller, we measure the M6/6 procedure only.
|
|||
var dynamicConvention = ExpandStars(measure.LeanLengthList, finalLength); |
|||
measure = new MeasureResult(finalLength, measure.DesiredLength, measure.GreedyDesiredLength, |
|||
measure.LeanLengthList, dynamicConvention); |
|||
} |
|||
|
|||
return new ArrangeResult(measure.LengthList); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Use the <see cref="_additionalConventions"/> to calculate the fixed length of the Auto column/row.
|
|||
/// </summary>
|
|||
/// <param name="conventions">The convention list that all the * with minimum length are fixed.</param>
|
|||
/// <param name="index">The column/row index that should be fixed.</param>
|
|||
/// <param name="starUnitLength">The unit * length for the current rest length.</param>
|
|||
/// <returns>The final length of the Auto length column/row.</returns>
|
|||
[Pure] |
|||
private double ApplyAdditionalConventionsForAuto(IReadOnlyList<LengthConvention> conventions, |
|||
int index, double starUnitLength) |
|||
{ |
|||
// 1. Calculate all the * length with starUnitLength.
|
|||
// 2. Exclude all the fixed length and all the * length.
|
|||
// 3. Compare the rest of the desired length and the convention.
|
|||
// +-----------------+
|
|||
// | * | A | * |
|
|||
// +-----------------+
|
|||
// | exl | | exl |
|
|||
// |< desired >|
|
|||
// |< desired >|
|
|||
|
|||
var more = 0.0; |
|||
foreach (var additional in _additionalConventions) |
|||
{ |
|||
// If the additional convention's last column/row contains the Auto column/row, try to determine the Auto column/row length.
|
|||
if (index == additional.Index + additional.Span - 1) |
|||
{ |
|||
var min = Enumerable.Range(additional.Index, additional.Span) |
|||
.Select(x => |
|||
{ |
|||
var c = conventions[x]; |
|||
if (c.Length.IsAbsolute) return c.Length.Value; |
|||
if (c.Length.IsStar) return c.Length.Value * starUnitLength; |
|||
return 0.0; |
|||
}).Sum(); |
|||
more = Math.Max(additional.Min - min, more); |
|||
} |
|||
} |
|||
|
|||
return Math.Min(conventions[index].MaxLength, more); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Calculate the total desired length of all the * length.
|
|||
/// Bug Warning:
|
|||
/// - The behavior of this method is undefined! Different UI Frameworks have different behaviors.
|
|||
/// - We ignore all the span columns/rows and just take single cells into consideration.
|
|||
/// </summary>
|
|||
/// <param name="conventions">All the conventions that have almost been fixed except the rest *.</param>
|
|||
/// <returns>The total desired length of all the * length.</returns>
|
|||
[Pure, MethodImpl(MethodImplOptions.AggressiveInlining)] |
|||
private double AggregateAdditionalConventionsForStars( |
|||
IReadOnlyList<LengthConvention> conventions) |
|||
{ |
|||
// 1. Determine all one-span column's desired widths or row's desired heights.
|
|||
// 2. Order the multi-span conventions by its last index
|
|||
// (Notice that the sorted data is much smaller than the source.)
|
|||
// 3. Determine each multi-span last index by calculating the maximun desired size.
|
|||
|
|||
// Before we determine the behavior of this method, we just aggregate the one-span * columns.
|
|||
|
|||
var fixedLength = conventions.Where(x => x.Length.IsAbsolute).Sum(x => x.Length.Value); |
|||
|
|||
// Prepare a lengthList variable indicating the fixed length of each column/row.
|
|||
var lengthList = conventions.Select(x => x.Length.IsAbsolute ? x.Length.Value : 0.0).ToList(); |
|||
foreach (var group in _additionalConventions |
|||
.Where(x => x.Span == 1 && conventions[x.Index].Length.IsStar) |
|||
.ToLookup(x => x.Index)) |
|||
{ |
|||
lengthList[group.Key] = Math.Max(lengthList[group.Key], group.Max(x => x.Min)); |
|||
} |
|||
|
|||
// Now the lengthList is fixed by every one-span columns/rows.
|
|||
// Then we should determine the multi-span column's/row's length.
|
|||
foreach (var group in _additionalConventions |
|||
.Where(x => x.Span > 1) |
|||
.ToLookup(x => x.Index + x.Span - 1) |
|||
// Order the multi-span columns/rows by last index.
|
|||
.OrderBy(x => x.Key)) |
|||
{ |
|||
var length = group.Max(x => x.Min - Enumerable.Range(x.Index, x.Span - 1).Sum(r => lengthList[r])); |
|||
lengthList[group.Key] = Math.Max(lengthList[group.Key], length > 0 ? length : 0); |
|||
} |
|||
|
|||
return lengthList.Sum() - fixedLength; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// This method implements the last procedure (M7/7) of measure.
|
|||
/// It expands all the * length to the fixed length according to the <paramref name="constraint"/>.
|
|||
/// </summary>
|
|||
/// <param name="conventions">All the conventions that have almost been fixed except the remaining *.</param>
|
|||
/// <param name="constraint">The container length.</param>
|
|||
/// <returns>The final pixel length list.</returns>
|
|||
[Pure] |
|||
private static List<double> ExpandStars(IEnumerable<LengthConvention> conventions, double constraint) |
|||
{ |
|||
// Initial.
|
|||
var dynamicConvention = conventions.Select(x => x.Clone()).ToList(); |
|||
constraint -= dynamicConvention.Where(x => x.Length.IsAbsolute).Sum(x => x.Length.Value); |
|||
var starUnitLength = 0.0; |
|||
|
|||
// M6/6.
|
|||
if (constraint >= 0) |
|||
{ |
|||
var starCount = dynamicConvention.Where(x => x.Length.IsStar).Sum(x => x.Length.Value); |
|||
|
|||
var shouldTestStarMax = true; |
|||
while (shouldTestStarMax) |
|||
{ |
|||
var @fixed = false; |
|||
starUnitLength = constraint / starCount; |
|||
foreach (var convention in dynamicConvention.Where(x => |
|||
x.Length.IsStar && !double.IsPositiveInfinity(x.MaxLength))) |
|||
{ |
|||
var (star, max) = (convention.Length.Value, convention.MaxLength); |
|||
var starLength = star * starUnitLength; |
|||
if (starLength > max) |
|||
{ |
|||
convention.Fix(max); |
|||
starLength = max; |
|||
constraint -= starLength; |
|||
starCount -= star; |
|||
@fixed = true; |
|||
break; |
|||
} |
|||
} |
|||
|
|||
shouldTestStarMax = @fixed; |
|||
} |
|||
} |
|||
|
|||
Debug.Assert(dynamicConvention.All(x => !x.Length.IsAuto)); |
|||
|
|||
var starUnit = starUnitLength; |
|||
var result = dynamicConvention.Select(x => |
|||
{ |
|||
if (x.Length.IsStar) |
|||
{ |
|||
return double.IsInfinity(starUnit) ? double.PositiveInfinity : starUnit * x.Length.Value; |
|||
} |
|||
|
|||
return x.Length.Value; |
|||
}).ToList(); |
|||
|
|||
return result; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// If the container length is not infinity. It may be not enough to contain all the columns/rows.
|
|||
/// We should clip the columns/rows that have been out of the container bounds.
|
|||
/// Note: This method may change the items value of <paramref name="lengthList"/>.
|
|||
/// </summary>
|
|||
/// <param name="lengthList">A list of all the column widths and row heights with a fixed pixel length</param>
|
|||
/// <param name="constraint">the container length. It can be positive infinity.</param>
|
|||
private static void Clip([NotNull] IList<double> lengthList, double constraint) |
|||
{ |
|||
if (double.IsInfinity(constraint)) |
|||
{ |
|||
return; |
|||
} |
|||
|
|||
var measureLength = 0.0; |
|||
for (var i = 0; i < lengthList.Count; i++) |
|||
{ |
|||
var length = lengthList[i]; |
|||
if (constraint - measureLength > length) |
|||
{ |
|||
measureLength += length; |
|||
} |
|||
else |
|||
{ |
|||
lengthList[i] = constraint - measureLength; |
|||
measureLength = constraint; |
|||
} |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Contains the convention of each column/row.
|
|||
/// This is mostly the same as <see cref="RowDefinition"/> or <see cref="ColumnDefinition"/>.
|
|||
/// We use this because we can treat the column and the row the same.
|
|||
/// </summary>
|
|||
[DebuggerDisplay("{" + nameof(DebuggerDisplay) + ",nq}")] |
|||
internal class LengthConvention : ICloneable |
|||
{ |
|||
/// <summary>
|
|||
/// Initialize a new instance of <see cref="LengthConvention"/>.
|
|||
/// </summary>
|
|||
public LengthConvention() |
|||
{ |
|||
Length = new GridLength(1.0, GridUnitType.Star); |
|||
MinLength = 0.0; |
|||
MaxLength = double.PositiveInfinity; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Initialize a new instance of <see cref="LengthConvention"/>.
|
|||
/// </summary>
|
|||
public LengthConvention(GridLength length, double minLength, double maxLength) |
|||
{ |
|||
Length = length; |
|||
MinLength = minLength; |
|||
MaxLength = maxLength; |
|||
if (length.IsAbsolute) |
|||
{ |
|||
_isFixed = true; |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets the <see cref="GridLength"/> of a column or a row.
|
|||
/// </summary>
|
|||
internal GridLength Length { get; private set; } |
|||
|
|||
/// <summary>
|
|||
/// Gets the minimum convention for a column or a row.
|
|||
/// </summary>
|
|||
internal double MinLength { get; } |
|||
|
|||
/// <summary>
|
|||
/// Gets the maximum convention for a column or a row.
|
|||
/// </summary>
|
|||
internal double MaxLength { get; } |
|||
|
|||
/// <summary>
|
|||
/// Fix the <see cref="LengthConvention"/>.
|
|||
/// If all columns/rows are fixed, we can get the size of all columns/rows in pixels.
|
|||
/// </summary>
|
|||
/// <param name="pixel">
|
|||
/// The pixel length that should be used to fix the convention.
|
|||
/// </param>
|
|||
/// <exception cref="InvalidOperationException">
|
|||
/// If the convention is pixel length, this exception will throw.
|
|||
/// </exception>
|
|||
public void Fix(double pixel) |
|||
{ |
|||
if (_isFixed) |
|||
{ |
|||
throw new InvalidOperationException("Cannot fix the length convention if it is fixed."); |
|||
} |
|||
|
|||
Length = new GridLength(pixel); |
|||
_isFixed = true; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets a value that indicates whether this convention is fixed.
|
|||
/// </summary>
|
|||
private bool _isFixed; |
|||
|
|||
/// <summary>
|
|||
/// Helps the debugger to display the intermediate column/row calculation result.
|
|||
/// </summary>
|
|||
private string DebuggerDisplay => |
|||
$"{(_isFixed ? Length.Value.ToString(CultureInfo.InvariantCulture) : (Length.GridUnitType == GridUnitType.Auto ? "Auto" : $"{Length.Value}*"))}, ∈[{MinLength}, {MaxLength}]"; |
|||
|
|||
/// <inheritdoc />
|
|||
object ICloneable.Clone() => Clone(); |
|||
|
|||
/// <summary>
|
|||
/// Get a deep copy of this convention list.
|
|||
/// We need this because we want to store some intermediate states.
|
|||
/// </summary>
|
|||
internal LengthConvention Clone() => new LengthConvention(Length, MinLength, MaxLength); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Contains the convention that comes from the grid children.
|
|||
/// Some children span multiple columns or rows, so even a simple column/row can have multiple conventions.
|
|||
/// </summary>
|
|||
[DebuggerDisplay("{" + nameof(DebuggerDisplay) + ",nq}")] |
|||
internal struct AdditionalLengthConvention |
|||
{ |
|||
/// <summary>
|
|||
/// Initialize a new instance of <see cref="AdditionalLengthConvention"/>.
|
|||
/// </summary>
|
|||
public AdditionalLengthConvention(int index, int span, double min) |
|||
{ |
|||
Index = index; |
|||
Span = span; |
|||
Min = min; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets the start index of this additional convention.
|
|||
/// </summary>
|
|||
public int Index { get; } |
|||
|
|||
/// <summary>
|
|||
/// Gets the span of this additional convention.
|
|||
/// </summary>
|
|||
public int Span { get; } |
|||
|
|||
/// <summary>
|
|||
/// Gets the minimum length of this additional convention.
|
|||
/// This value is usually provided by the child's desired length.
|
|||
/// </summary>
|
|||
public double Min { get; } |
|||
|
|||
/// <summary>
|
|||
/// Helps the debugger to display the intermediate column/row calculation result.
|
|||
/// </summary>
|
|||
private string DebuggerDisplay => |
|||
$"{{{string.Join(",", Enumerable.Range(Index, Span))}}}, ∈[{Min},∞)"; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Stores the result of the measuring procedure.
|
|||
/// This result can be used to measure children and assign the desired size.
|
|||
/// Passing this result to <see cref="Arrange"/> can reduce calculation.
|
|||
/// </summary>
|
|||
[DebuggerDisplay("{" + nameof(LengthList) + ",nq}")] |
|||
internal class MeasureResult |
|||
{ |
|||
/// <summary>
|
|||
/// Initialize a new instance of <see cref="MeasureResult"/>.
|
|||
/// </summary>
|
|||
internal MeasureResult(double containerLength, double desiredLength, double greedyDesiredLength, |
|||
IReadOnlyList<LengthConvention> leanConventions, IReadOnlyList<double> expandedConventions) |
|||
{ |
|||
ContainerLength = containerLength; |
|||
DesiredLength = desiredLength; |
|||
GreedyDesiredLength = greedyDesiredLength; |
|||
LeanLengthList = leanConventions; |
|||
LengthList = expandedConventions; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets the container length for this result.
|
|||
/// This property will be used by <see cref="Arrange"/> to determine whether to measure again or not.
|
|||
/// </summary>
|
|||
public double ContainerLength { get; } |
|||
|
|||
/// <summary>
|
|||
/// Gets the desired length of this result.
|
|||
/// Just return this value as the desired size in <see cref="Layoutable.MeasureOverride"/>.
|
|||
/// </summary>
|
|||
public double DesiredLength { get; } |
|||
|
|||
/// <summary>
|
|||
/// Gets the desired length if the container has infinite length.
|
|||
/// </summary>
|
|||
public double GreedyDesiredLength { get; } |
|||
|
|||
/// <summary>
|
|||
/// Contains the column/row calculation intermediate result.
|
|||
/// This value is used by <see cref="Arrange"/> for reducing repeat calculation.
|
|||
/// </summary>
|
|||
public IReadOnlyList<LengthConvention> LeanLengthList { get; } |
|||
|
|||
/// <summary>
|
|||
/// Gets the length list for each column/row.
|
|||
/// </summary>
|
|||
public IReadOnlyList<double> LengthList { get; } |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Stores the result of the measuring procedure.
|
|||
/// This result can be used to arrange children and assign the render size.
|
|||
/// </summary>
|
|||
[DebuggerDisplay("{" + nameof(LengthList) + ",nq}")] |
|||
internal class ArrangeResult |
|||
{ |
|||
/// <summary>
|
|||
/// Initialize a new instance of <see cref="ArrangeResult"/>.
|
|||
/// </summary>
|
|||
internal ArrangeResult(IReadOnlyList<double> lengthList) |
|||
{ |
|||
LengthList = lengthList; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets the length list for each column/row.
|
|||
/// </summary>
|
|||
public IReadOnlyList<double> LengthList { get; } |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,64 @@ |
|||
// (c) Copyright Microsoft Corporation.
|
|||
// This source is subject to the Microsoft Public License (Ms-PL).
|
|||
// Please see http://go.microsoft.com/fwlink/?LinkID=131993 for details.
|
|||
// All other rights reserved.
|
|||
|
|||
using System; |
|||
using System.Collections; |
|||
using Avalonia.Interactivity; |
|||
using Avalonia.Input; |
|||
|
|||
namespace Avalonia.Controls.Utils |
|||
{ |
|||
/// <summary>
|
|||
/// Defines an item collection, selection members, and key handling for the
|
|||
/// selection adapter contained in the drop-down portion of an
|
|||
/// <see cref="T:Avalonia.Controls.AutoCompleteBox" /> control.
|
|||
/// </summary>
|
|||
public interface ISelectionAdapter |
|||
{ |
|||
/// <summary>
|
|||
/// Gets or sets the selected item.
|
|||
/// </summary>
|
|||
/// <value>The currently selected item.</value>
|
|||
object SelectedItem { get; set; } |
|||
|
|||
/// <summary>
|
|||
/// Occurs when the
|
|||
/// <see cref="P:Avalonia.Controls.Utils.ISelectionAdapter.SelectedItem" />
|
|||
/// property value changes.
|
|||
/// </summary>
|
|||
event EventHandler<SelectionChangedEventArgs> SelectionChanged; |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets a collection that is used to generate content for the
|
|||
/// selection adapter.
|
|||
/// </summary>
|
|||
/// <value>The collection that is used to generate content for the
|
|||
/// selection adapter.</value>
|
|||
IEnumerable Items { get; set; } |
|||
|
|||
/// <summary>
|
|||
/// Occurs when a selected item is not cancelled and is committed as the
|
|||
/// selected item.
|
|||
/// </summary>
|
|||
event EventHandler<RoutedEventArgs> Commit; |
|||
|
|||
/// <summary>
|
|||
/// Occurs when a selection has been canceled.
|
|||
/// </summary>
|
|||
event EventHandler<RoutedEventArgs> Cancel; |
|||
|
|||
/// <summary>
|
|||
/// Provides handling for the
|
|||
/// <see cref="E:Avalonia.Input.InputElement.KeyDown" /> event that occurs
|
|||
/// when a key is pressed while the drop-down portion of the
|
|||
/// <see cref="T:Avalonia.Controls.AutoCompleteBox" /> has focus.
|
|||
/// </summary>
|
|||
/// <param name="e">A <see cref="T:Avalonia.Input.KeyEventArgs" />
|
|||
/// that contains data about the
|
|||
/// <see cref="E:Avalonia.Input.InputElement.KeyDown" /> event.</param>
|
|||
void HandleKeyDown(KeyEventArgs e); |
|||
} |
|||
|
|||
} |
|||
@ -0,0 +1,342 @@ |
|||
// (c) Copyright Microsoft Corporation.
|
|||
// This source is subject to the Microsoft Public License (Ms-PL).
|
|||
// Please see http://go.microsoft.com/fwlink/?LinkID=131993 for details.
|
|||
// All other rights reserved.
|
|||
|
|||
using System; |
|||
using System.Linq; |
|||
using System.Collections.Generic; |
|||
using System.Text; |
|||
using Avalonia.Controls.Primitives; |
|||
using Avalonia.Interactivity; |
|||
using Avalonia.Input; |
|||
using Avalonia.LogicalTree; |
|||
using System.Collections; |
|||
using System.Diagnostics; |
|||
|
|||
namespace Avalonia.Controls.Utils |
|||
{ |
|||
/// <summary>
|
|||
/// Represents the selection adapter contained in the drop-down portion of
|
|||
/// an <see cref="T:Avalonia.Controls.AutoCompleteBox" /> control.
|
|||
/// </summary>
|
|||
public class SelectingItemsControlSelectionAdapter : ISelectionAdapter |
|||
{ |
|||
/// <summary>
|
|||
/// The SelectingItemsControl instance.
|
|||
/// </summary>
|
|||
private SelectingItemsControl _selector; |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets a value indicating whether the selection change event
|
|||
/// should not be fired.
|
|||
/// </summary>
|
|||
private bool IgnoringSelectionChanged { get; set; } |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the underlying
|
|||
/// <see cref="T:Avalonia.Controls.Primitives.SelectingItemsControl" />
|
|||
/// control.
|
|||
/// </summary>
|
|||
/// <value>The underlying
|
|||
/// <see cref="T:Avalonia.Controls.Primitives.SelectingItemsControl" />
|
|||
/// control.</value>
|
|||
public SelectingItemsControl SelectorControl |
|||
{ |
|||
get { return _selector; } |
|||
|
|||
set |
|||
{ |
|||
if (_selector != null) |
|||
{ |
|||
_selector.SelectionChanged -= OnSelectionChanged; |
|||
_selector.PointerReleased -= OnSelectorPointerReleased; |
|||
} |
|||
|
|||
_selector = value; |
|||
|
|||
if (_selector != null) |
|||
{ |
|||
_selector.SelectionChanged += OnSelectionChanged; |
|||
_selector.PointerReleased += OnSelectorPointerReleased; |
|||
} |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Occurs when the
|
|||
/// <see cref="P:Avalonia.Controls.Utils.SelectingItemsControlSelectionAdapter.SelectedItem" />
|
|||
/// property value changes.
|
|||
/// </summary>
|
|||
public event EventHandler<SelectionChangedEventArgs> SelectionChanged; |
|||
|
|||
/// <summary>
|
|||
/// Occurs when an item is selected and is committed to the underlying
|
|||
/// <see cref="T:Avalonia.Controls.Primitives.SelectingItemsControl" />
|
|||
/// control.
|
|||
/// </summary>
|
|||
public event EventHandler<RoutedEventArgs> Commit; |
|||
|
|||
/// <summary>
|
|||
/// Occurs when a selection is canceled before it is committed.
|
|||
/// </summary>
|
|||
public event EventHandler<RoutedEventArgs> Cancel; |
|||
|
|||
/// <summary>
|
|||
/// Initializes a new instance of the
|
|||
/// <see cref="T:Avalonia.Controls.Utils.SelectingItemsControlSelectionAdapter" />
|
|||
/// class.
|
|||
/// </summary>
|
|||
public SelectingItemsControlSelectionAdapter() |
|||
{ |
|||
|
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Initializes a new instance of the
|
|||
/// <see cref="T:Avalonia.Controls.Utils.SelectingItemsControlSelectionAdapterr" />
|
|||
/// class with the specified
|
|||
/// <see cref="T:Avalonia.Controls.Primitives.SelectingItemsControl" />
|
|||
/// control.
|
|||
/// </summary>
|
|||
/// <param name="selector">The
|
|||
/// <see cref="T:Avalonia.Controls.Primitives.SelectingItemsControl" /> control
|
|||
/// to wrap as a
|
|||
/// <see cref="T:Avalonia.Controls.Utils.SelectingItemsControlSelectionAdapter" />.</param>
|
|||
public SelectingItemsControlSelectionAdapter(SelectingItemsControl selector) |
|||
{ |
|||
SelectorControl = selector; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets the selected item of the selection adapter.
|
|||
/// </summary>
|
|||
/// <value>The selected item of the underlying selection adapter.</value>
|
|||
public object SelectedItem |
|||
{ |
|||
get |
|||
{ |
|||
return SelectorControl?.SelectedItem; |
|||
} |
|||
|
|||
set |
|||
{ |
|||
IgnoringSelectionChanged = true; |
|||
if (SelectorControl != null) |
|||
{ |
|||
SelectorControl.SelectedItem = value; |
|||
} |
|||
|
|||
// Attempt to reset the scroll viewer's position
|
|||
if (value == null) |
|||
{ |
|||
ResetScrollViewer(); |
|||
} |
|||
|
|||
IgnoringSelectionChanged = false; |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Gets or sets a collection that is used to generate the content of
|
|||
/// the selection adapter.
|
|||
/// </summary>
|
|||
/// <value>The collection used to generate content for the selection
|
|||
/// adapter.</value>
|
|||
public IEnumerable Items |
|||
{ |
|||
get |
|||
{ |
|||
return SelectorControl?.Items; |
|||
} |
|||
set |
|||
{ |
|||
if (SelectorControl != null) |
|||
{ |
|||
SelectorControl.Items = value; |
|||
} |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// If the control contains a ScrollViewer, this will reset the viewer
|
|||
/// to be scrolled to the top.
|
|||
/// </summary>
|
|||
private void ResetScrollViewer() |
|||
{ |
|||
if (SelectorControl != null) |
|||
{ |
|||
ScrollViewer sv = SelectorControl.GetLogicalDescendants().OfType<ScrollViewer>().FirstOrDefault(); |
|||
if (sv != null) |
|||
{ |
|||
sv.Offset = new Vector(0, 0); |
|||
} |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Handles the mouse left button up event on the selector control.
|
|||
/// </summary>
|
|||
/// <param name="sender">The source object.</param>
|
|||
/// <param name="e">The event data.</param>
|
|||
private void OnSelectorPointerReleased(object sender, PointerReleasedEventArgs e) |
|||
{ |
|||
if (e.MouseButton == MouseButton.Left) |
|||
{ |
|||
OnCommit(); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Handles the SelectionChanged event on the SelectingItemsControl control.
|
|||
/// </summary>
|
|||
/// <param name="sender">The source object.</param>
|
|||
/// <param name="e">The selection changed event data.</param>
|
|||
private void OnSelectionChanged(object sender, SelectionChangedEventArgs e) |
|||
{ |
|||
if (IgnoringSelectionChanged) |
|||
{ |
|||
return; |
|||
} |
|||
|
|||
SelectionChanged?.Invoke(sender, e); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Increments the
|
|||
/// <see cref="P:Avalonia.Controls.Primitives.SelectingItemsControl.SelectedIndex" />
|
|||
/// property of the underlying
|
|||
/// <see cref="T:Avalonia.Controls.Primitives.SelectingItemsControl" />
|
|||
/// control.
|
|||
/// </summary>
|
|||
protected void SelectedIndexIncrement() |
|||
{ |
|||
if (SelectorControl != null) |
|||
{ |
|||
SelectorControl.SelectedIndex = SelectorControl.SelectedIndex + 1 >= SelectorControl.ItemCount ? -1 : SelectorControl.SelectedIndex + 1; |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Decrements the
|
|||
/// <see cref="P:Avalonia.Controls.Primitives.SelectingItemsControl.SelectedIndex" />
|
|||
/// property of the underlying
|
|||
/// <see cref="T:Avalonia.Controls.Primitives.SelectingItemsControl" />
|
|||
/// control.
|
|||
/// </summary>
|
|||
protected void SelectedIndexDecrement() |
|||
{ |
|||
if (SelectorControl != null) |
|||
{ |
|||
int index = SelectorControl.SelectedIndex; |
|||
if (index >= 0) |
|||
{ |
|||
SelectorControl.SelectedIndex--; |
|||
} |
|||
else if (index == -1) |
|||
{ |
|||
SelectorControl.SelectedIndex = SelectorControl.ItemCount - 1; |
|||
} |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Provides handling for the
|
|||
/// <see cref="E:Avalonia.Input.InputElement.KeyDown" /> event that occurs
|
|||
/// when a key is pressed while the drop-down portion of the
|
|||
/// <see cref="T:Avalonia.Controls.AutoCompleteBox" /> has focus.
|
|||
/// </summary>
|
|||
/// <param name="e">A <see cref="T:Avalonia.Input.KeyEventArgs" />
|
|||
/// that contains data about the
|
|||
/// <see cref="E:Avalonia.Input.InputElement.KeyDown" /> event.</param>
|
|||
public void HandleKeyDown(KeyEventArgs e) |
|||
{ |
|||
switch (e.Key) |
|||
{ |
|||
case Key.Enter: |
|||
OnCommit(); |
|||
e.Handled = true; |
|||
break; |
|||
|
|||
case Key.Up: |
|||
SelectedIndexDecrement(); |
|||
e.Handled = true; |
|||
break; |
|||
|
|||
case Key.Down: |
|||
if ((e.Modifiers & InputModifiers.Alt) == InputModifiers.None) |
|||
{ |
|||
SelectedIndexIncrement(); |
|||
e.Handled = true; |
|||
} |
|||
break; |
|||
|
|||
case Key.Escape: |
|||
OnCancel(); |
|||
e.Handled = true; |
|||
break; |
|||
|
|||
default: |
|||
break; |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Raises the
|
|||
/// <see cref="E:Avalonia.Controls.Utils.SelectingItemsControlSelectionAdapter.Commit" />
|
|||
/// event.
|
|||
/// </summary>
|
|||
protected virtual void OnCommit() |
|||
{ |
|||
OnCommit(this, new RoutedEventArgs()); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Fires the Commit event.
|
|||
/// </summary>
|
|||
/// <param name="sender">The source object.</param>
|
|||
/// <param name="e">The event data.</param>
|
|||
private void OnCommit(object sender, RoutedEventArgs e) |
|||
{ |
|||
Commit?.Invoke(sender, e); |
|||
|
|||
AfterAdapterAction(); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Raises the
|
|||
/// <see cref="E:Avalonia.Controls.Utils.SelectingItemsControlSelectionAdapter.Cancel" />
|
|||
/// event.
|
|||
/// </summary>
|
|||
protected virtual void OnCancel() |
|||
{ |
|||
OnCancel(this, new RoutedEventArgs()); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Fires the Cancel event.
|
|||
/// </summary>
|
|||
/// <param name="sender">The source object.</param>
|
|||
/// <param name="e">The event data.</param>
|
|||
private void OnCancel(object sender, RoutedEventArgs e) |
|||
{ |
|||
Cancel?.Invoke(sender, e); |
|||
|
|||
AfterAdapterAction(); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Change the selection after the actions are complete.
|
|||
/// </summary>
|
|||
private void AfterAdapterAction() |
|||
{ |
|||
IgnoringSelectionChanged = true; |
|||
if (SelectorControl != null) |
|||
{ |
|||
SelectorControl.SelectedItem = null; |
|||
SelectorControl.SelectedIndex = -1; |
|||
} |
|||
IgnoringSelectionChanged = false; |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,23 @@ |
|||
namespace Avalonia.Controls |
|||
{ |
|||
/// <summary>
|
|||
/// Determines the startup location of the window.
|
|||
/// </summary>
|
|||
public enum WindowStartupLocation |
|||
{ |
|||
/// <summary>
|
|||
/// The startup location is defined by the Position property.
|
|||
/// </summary>
|
|||
Manual, |
|||
|
|||
/// <summary>
|
|||
/// The startup location is the center of the screen.
|
|||
/// </summary>
|
|||
CenterScreen, |
|||
|
|||
/// <summary>
|
|||
/// The startup location is the center of the owner window. If the owner window is not specified, the startup location will be <see cref="Manual"/>.
|
|||
/// </summary>
|
|||
CenterOwner |
|||
} |
|||
} |
|||
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Reference in new issue