Benedikt Schroeder
8 years ago
committed by
GitHub
GitHub
55 changed files with 6481 additions and 158 deletions
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<UserControl xmlns="https://github.com/avaloniaui"> |
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<StackPanel Orientation="Vertical" Gap="4"> |
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<TextBlock Classes="h1">AutoCompleteBox</TextBlock> |
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<TextBlock Classes="h2">A control into which the user can input text</TextBlock> |
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|
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<StackPanel Orientation="Horizontal" |
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Margin="0,16,0,0" |
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HorizontalAlignment="Center" |
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Gap="8"> |
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<StackPanel Orientation="Vertical"> |
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<TextBlock Text="MinimumPrefixLength: 1"/> |
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<AutoCompleteBox Width="200" |
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Margin="0,0,0,8" |
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MinimumPrefixLength="1"/> |
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<TextBlock Text="MinimumPrefixLength: 3"/> |
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<AutoCompleteBox Width="200" |
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Margin="0,0,0,8" |
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MinimumPrefixLength="3"/> |
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<TextBlock Text="MinimumPopulateDelay: 1 Second"/> |
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<AutoCompleteBox Width="200" |
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Margin="0,0,0,8" |
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MinimumPopulateDelay="1"/> |
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<TextBlock Text="MaxDropDownHeight: 60"/> |
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<AutoCompleteBox Width="200" |
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Margin="0,0,0,8" |
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MaxDropDownHeight="60"/> |
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<AutoCompleteBox Width="200" |
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Margin="0,0,0,8" |
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Watermark="Watermark"/> |
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<TextBlock Text="Disabled"/> |
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<AutoCompleteBox Width="200" |
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IsEnabled="False"/> |
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</StackPanel> |
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|
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|
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<StackPanel Orientation="Vertical"> |
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|
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<TextBlock Text="ValueMemeberSelector"/> |
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<AutoCompleteBox Width="200" |
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Margin="0,0,0,8" |
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ValueMemberSelector="Capital"/> |
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<TextBlock Text="ValueMemberBinding"/> |
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<AutoCompleteBox Width="200" |
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Margin="0,0,0,8" |
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ValueMemberBinding="{Binding Capital}"/> |
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<TextBlock Text="Multi-Binding"/> |
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<AutoCompleteBox Name="MultiBindingBox" |
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Width="200" |
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Margin="0,0,0,8" |
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FilterMode="Contains"/> |
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<TextBlock Text="Async Populate"/> |
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<AutoCompleteBox Name="AsyncBox" |
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Width="200" |
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Margin="0,0,0,8" |
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FilterMode="None"/> |
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</StackPanel> |
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</StackPanel> |
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</StackPanel> |
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</UserControl> |
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@ -0,0 +1,143 @@ |
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using Avalonia.Controls; |
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using Avalonia.LogicalTree; |
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using Avalonia.Markup; |
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using Avalonia.Markup.Xaml; |
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using Avalonia.Markup.Xaml.Data; |
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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Threading; |
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using System.Threading.Tasks; |
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|
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namespace ControlCatalog.Pages |
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{ |
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public class AutoCompleteBoxPage : UserControl |
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{ |
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public class StateData |
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{ |
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public string Name { get; private set; } |
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public string Abbreviation { get; private set; } |
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public string Capital { get; private set; } |
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|
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public StateData(string name, string abbreviatoin, string capital) |
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{ |
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Name = name; |
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Abbreviation = abbreviatoin; |
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Capital = capital; |
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} |
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|
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public override string ToString() |
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{ |
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return Name; |
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} |
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} |
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|
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private StateData[] BuildAllStates() |
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{ |
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return new StateData[] |
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{ |
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new StateData("Alabama","AL","Montgomery"), |
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new StateData("Alaska","AK","Juneau"), |
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new StateData("Arizona","AZ","Phoenix"), |
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new StateData("Arkansas","AR","Little Rock"), |
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new StateData("California","CA","Sacramento"), |
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new StateData("Colorado","CO","Denver"), |
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new StateData("Connecticut","CT","Hartford"), |
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new StateData("Delaware","DE","Dover"), |
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new StateData("Florida","FL","Tallahassee"), |
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new StateData("Georgia","GA","Atlanta"), |
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new StateData("Hawaii","HI","Honolulu"), |
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new StateData("Idaho","ID","Boise"), |
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new StateData("Illinois","IL","Springfield"), |
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new StateData("Indiana","IN","Indianapolis"), |
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new StateData("Iowa","IA","Des Moines"), |
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new StateData("Kansas","KS","Topeka"), |
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new StateData("Kentucky","KY","Frankfort"), |
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new StateData("Louisiana","LA","Baton Rouge"), |
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new StateData("Maine","ME","Augusta"), |
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new StateData("Maryland","MD","Annapolis"), |
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new StateData("Massachusetts","MA","Boston"), |
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new StateData("Michigan","MI","Lansing"), |
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new StateData("Minnesota","MN","St. Paul"), |
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new StateData("Mississippi","MS","Jackson"), |
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new StateData("Missouri","MO","Jefferson City"), |
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new StateData("Montana","MT","Helena"), |
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new StateData("Nebraska","NE","Lincoln"), |
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new StateData("Nevada","NV","Carson City"), |
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new StateData("New Hampshire","NH","Concord"), |
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new StateData("New Jersey","NJ","Trenton"), |
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new StateData("New Mexico","NM","Santa Fe"), |
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new StateData("New York","NY","Albany"), |
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new StateData("North Carolina","NC","Raleigh"), |
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new StateData("North Dakota","ND","Bismarck"), |
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new StateData("Ohio","OH","Columbus"), |
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new StateData("Oklahoma","OK","Oklahoma City"), |
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new StateData("Oregon","OR","Salem"), |
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new StateData("Pennsylvania","PA","Harrisburg"), |
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new StateData("Rhode Island","RI","Providence"), |
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new StateData("South Carolina","SC","Columbia"), |
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new StateData("South Dakota","SD","Pierre"), |
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new StateData("Tennessee","TN","Nashville"), |
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new StateData("Texas","TX","Austin"), |
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new StateData("Utah","UT","Salt Lake City"), |
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new StateData("Vermont","VT","Montpelier"), |
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new StateData("Virginia","VA","Richmond"), |
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new StateData("Washington","WA","Olympia"), |
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new StateData("West Virginia","WV","Charleston"), |
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new StateData("Wisconsin","WI","Madison"), |
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new StateData("Wyoming","WY","Cheyenne"), |
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}; |
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} |
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public StateData[] States { get; private set; } |
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|
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public AutoCompleteBoxPage() |
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{ |
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this.InitializeComponent(); |
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States = BuildAllStates(); |
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foreach (AutoCompleteBox box in GetAllAutoCompleteBox()) |
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{ |
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box.Items = States; |
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} |
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var converter = new FuncMultiValueConverter<string, string>(parts => |
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{ |
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return String.Format("{0} ({1})", parts.ToArray()); |
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}); |
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var binding = new MultiBinding { Converter = converter }; |
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binding.Bindings.Add(new Binding("Name")); |
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binding.Bindings.Add(new Binding("Abbreviation")); |
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var multibindingBox = this.FindControl<AutoCompleteBox>("MultiBindingBox"); |
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multibindingBox.ValueMemberBinding = binding; |
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var asyncBox = this.FindControl<AutoCompleteBox>("AsyncBox"); |
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asyncBox.AsyncPopulator = PopulateAsync; |
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} |
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private IEnumerable<AutoCompleteBox> GetAllAutoCompleteBox() |
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{ |
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return |
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this.GetLogicalDescendants() |
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.OfType<AutoCompleteBox>(); |
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} |
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|
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private bool StringContains(string str, string query) |
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{ |
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return str.IndexOf(query, StringComparison.OrdinalIgnoreCase) >= 0; |
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} |
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private async Task<IEnumerable<object>> PopulateAsync(string searchText, CancellationToken cancellationToken) |
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{ |
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await Task.Delay(TimeSpan.FromSeconds(1.5), cancellationToken); |
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return |
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States.Where(data => StringContains(data.Name, searchText) || StringContains(data.Capital, searchText)) |
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.ToList(); |
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} |
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|
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private void InitializeComponent() |
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{ |
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AvaloniaXamlLoader.Load(this); |
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} |
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} |
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} |
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@ -0,0 +1,80 @@ |
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<UserControl xmlns="https://github.com/avaloniaui" |
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> |
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<StackPanel Orientation="Vertical" Gap="4"> |
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<TextBlock Margin="2" Classes="h1">Numeric up-down control</TextBlock> |
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<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> |
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|
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<TextBlock Margin="2,5,2,2" FontSize="14" FontWeight="Bold">Features:</TextBlock> |
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<Grid Margin="2" ColumnDefinitions="Auto,Auto,Auto,Auto" RowDefinitions="Auto,Auto"> |
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<Grid Grid.Row="0" Grid.Column="0" ColumnDefinitions="Auto, Auto" RowDefinitions="35,35,35,35,35"> |
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<TextBlock Grid.Row="0" Grid.Column="0" VerticalAlignment="Center" Margin="2">ShowButtonSpinner:</TextBlock> |
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<CheckBox Grid.Row="0" Grid.Column="1" IsChecked="{Binding #upDown.ShowButtonSpinner}" VerticalAlignment="Center" Margin="2"/> |
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|
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<TextBlock Grid.Row="1" Grid.Column="0" VerticalAlignment="Center" Margin="2">IsReadOnly:</TextBlock> |
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<CheckBox Grid.Row="1" Grid.Column="1" IsChecked="{Binding #upDown.IsReadOnly}" VerticalAlignment="Center" Margin="2"/> |
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|
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<TextBlock Grid.Row="2" Grid.Column="0" VerticalAlignment="Center" Margin="2">AllowSpin:</TextBlock> |
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<CheckBox Grid.Row="2" Grid.Column="1" IsChecked="{Binding #upDown.AllowSpin}" IsEnabled="{Binding #upDown.!IsReadOnly}" VerticalAlignment="Center" Margin="2"/> |
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|
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<TextBlock Grid.Row="3" Grid.Column="0" VerticalAlignment="Center" Margin="2">ClipValueToMinMax:</TextBlock> |
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<CheckBox Grid.Row="3" Grid.Column="1" IsChecked="{Binding #upDown.ClipValueToMinMax}" VerticalAlignment="Center" Margin="2"/> |
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|
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</Grid> |
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<Grid Grid.Row="0" Grid.Column="1" Margin="10,2,2,2" ColumnDefinitions="Auto, 120" RowDefinitions="35,35,35,35,35"> |
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<TextBlock Grid.Row="0" Grid.Column="0" VerticalAlignment="Center" Margin="2">FormatString:</TextBlock> |
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<DropDown Grid.Row="0" Grid.Column="1" Items="{Binding Formats}" SelectedItem="{Binding SelectedFormat}" |
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VerticalAlignment="Center" Margin="2"> |
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<DropDown.ItemTemplate> |
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<DataTemplate> |
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<StackPanel Orientation="Horizontal" Gap="2"> |
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<TextBlock Text="{Binding Name}"/> |
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<TextBlock Text="-"/> |
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<TextBlock Text="{Binding Value}"/> |
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</StackPanel> |
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</DataTemplate> |
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</DropDown.ItemTemplate> |
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</DropDown> |
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|
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<TextBlock Grid.Row="1" Grid.Column="0" VerticalAlignment="Center" Margin="2">ButtonSpinnerLocation:</TextBlock> |
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<DropDown Grid.Row="1" Grid.Column="1" Items="{Binding SpinnerLocations}" SelectedItem="{Binding #upDown.ButtonSpinnerLocation}" |
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VerticalAlignment="Center" Margin="2"/> |
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|
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<TextBlock Grid.Row="2" Grid.Column="0" VerticalAlignment="Center" Margin="2">CultureInfo:</TextBlock> |
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<DropDown Grid.Row="2" Grid.Column="1" Items="{Binding Cultures}" SelectedItem="{Binding #upDown.CultureInfo}" |
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VerticalAlignment="Center" Margin="2"/> |
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|
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<TextBlock Grid.Row="3" Grid.Column="0" VerticalAlignment="Center" Margin="2">Watermark:</TextBlock> |
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<TextBox Grid.Row="3" Grid.Column="1" Text="{Binding #upDown.Watermark}" VerticalAlignment="Center" Margin="2" /> |
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|
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<TextBlock Grid.Row="4" Grid.Column="0" VerticalAlignment="Center" Margin="2">Text:</TextBlock> |
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<TextBox Grid.Row="4" Grid.Column="1" Text="{Binding #upDown.Text}" VerticalAlignment="Center" Margin="2" /> |
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</Grid> |
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<Grid Grid.Row="0" Grid.Column="2" Margin="10,2,2,2" RowDefinitions="35,35,35,35,35" ColumnDefinitions="Auto, 120"> |
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<TextBlock Grid.Row="0" Grid.Column="0" VerticalAlignment="Center" Margin="10,2,2,2">Minimum:</TextBlock> |
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<NumericUpDown Grid.Row="0" Grid.Column="1" Value="{Binding #upDown.Minimum}" |
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CultureInfo="{Binding #upDown.CultureInfo}" VerticalAlignment="Center" Height="25" Margin="2" Width="70" HorizontalAlignment="Center"/> |
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|
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<TextBlock Grid.Row="1" Grid.Column="0" VerticalAlignment="Center" Margin="10,2,2,2">Maximum:</TextBlock> |
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<NumericUpDown Grid.Row="1" Grid.Column="1" Value="{Binding #upDown.Maximum}" |
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CultureInfo="{Binding #upDown.CultureInfo}" VerticalAlignment="Center" Height="25" Margin="2" Width="70" HorizontalAlignment="Center"/> |
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|
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<TextBlock Grid.Row="2" Grid.Column="0" VerticalAlignment="Center" Margin="10,2,2,2">Increment:</TextBlock> |
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<NumericUpDown Grid.Row="2" Grid.Column="1" Value="{Binding #upDown.Increment}" VerticalAlignment="Center" |
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Height="25" Margin="2" Width="70" HorizontalAlignment="Center"/> |
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|
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<TextBlock Grid.Row="3" Grid.Column="0" VerticalAlignment="Center" Margin="10,2,2,2">Value:</TextBlock> |
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<NumericUpDown Grid.Row="3" Grid.Column="1" Value="{Binding #upDown.Value}" VerticalAlignment="Center" |
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Height="25" Margin="2" Width="70" HorizontalAlignment="Center"/> |
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|
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</Grid> |
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</Grid> |
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|
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<StackPanel Margin="2,10,2,2" Orientation="Horizontal" Gap="10"> |
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<TextBlock FontSize="14" FontWeight="Bold" VerticalAlignment="Center">Usage of NumericUpDown:</TextBlock> |
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<NumericUpDown Name="upDown" Minimum="0" Maximum="10" Increment="0.5" |
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CultureInfo="en-US" VerticalAlignment="Center" Height="25" Width="100" |
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Watermark="Enter text" FormatString="{Binding SelectedFormat.Value}"/> |
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</StackPanel> |
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</StackPanel> |
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</UserControl> |
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@ -0,0 +1,94 @@ |
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using System; |
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using System.Collections.Generic; |
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using System.Globalization; |
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using System.Linq; |
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using Avalonia; |
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using Avalonia.Controls; |
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using Avalonia.Controls.Primitives; |
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using Avalonia.Markup.Xaml; |
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using ReactiveUI; |
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|
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namespace ControlCatalog.Pages |
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{ |
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public class NumericUpDownPage : UserControl |
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{ |
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public NumericUpDownPage() |
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{ |
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this.InitializeComponent(); |
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var viewModel = new NumbersPageViewModel(); |
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DataContext = viewModel; |
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} |
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|
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private void InitializeComponent() |
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{ |
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AvaloniaXamlLoader.Load(this); |
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} |
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|
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} |
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public class NumbersPageViewModel : ReactiveObject |
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{ |
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private IList<FormatObject> _formats; |
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private FormatObject _selectedFormat; |
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private IList<Location> _spinnerLocations; |
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public NumbersPageViewModel() |
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{ |
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SelectedFormat = Formats.FirstOrDefault(); |
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} |
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public IList<FormatObject> Formats |
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{ |
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get |
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{ |
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return _formats ?? (_formats = new List<FormatObject>() |
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{ |
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new FormatObject() {Name = "Currency", Value = "C2"}, |
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new FormatObject() {Name = "Fixed point", Value = "F2"}, |
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new FormatObject() {Name = "General", Value = "G"}, |
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new FormatObject() {Name = "Number", Value = "N"}, |
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new FormatObject() {Name = "Percent", Value = "P"}, |
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new FormatObject() {Name = "Degrees", Value = "{0:N2} °"}, |
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}); |
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} |
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} |
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public IList<Location> SpinnerLocations |
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{ |
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get |
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{ |
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if (_spinnerLocations == null) |
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{ |
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_spinnerLocations = new List<Location>(); |
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foreach (Location value in Enum.GetValues(typeof(Location))) |
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{ |
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_spinnerLocations.Add(value); |
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} |
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} |
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return _spinnerLocations ; |
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} |
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} |
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public IList<CultureInfo> Cultures { get; } = new List<CultureInfo>() |
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{ |
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new CultureInfo("en-US"), |
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new CultureInfo("en-GB"), |
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new CultureInfo("fr-FR"), |
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new CultureInfo("ar-DZ"), |
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new CultureInfo("zh-CN"), |
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new CultureInfo("cs-CZ") |
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}; |
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|
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public FormatObject SelectedFormat |
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{ |
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get { return _selectedFormat; } |
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set { this.RaiseAndSetIfChanged(ref _selectedFormat, value); } |
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} |
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} |
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public class FormatObject |
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{ |
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public string Value { get; set; } |
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public string Name { get; set; } |
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} |
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} |
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File diff suppressed because it is too large
@ -0,0 +1,998 @@ |
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using System; |
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using System.Globalization; |
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using System.IO; |
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using System.Linq; |
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using Avalonia.Controls.Primitives; |
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using Avalonia.Data; |
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using Avalonia.Input; |
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using Avalonia.Interactivity; |
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using Avalonia.Threading; |
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using Avalonia.Utilities; |
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|
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namespace Avalonia.Controls |
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{ |
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/// <summary>
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/// Control that represents a TextBox with button spinners that allow incrementing and decrementing numeric values.
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/// </summary>
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public class NumericUpDown : TemplatedControl |
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{ |
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/// <summary>
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/// Defines the <see cref="AllowSpin"/> property.
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/// </summary>
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public static readonly StyledProperty<bool> AllowSpinProperty = |
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ButtonSpinner.AllowSpinProperty.AddOwner<NumericUpDown>(); |
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|
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/// <summary>
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/// Defines the <see cref="ButtonSpinnerLocation"/> property.
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/// </summary>
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public static readonly StyledProperty<Location> ButtonSpinnerLocationProperty = |
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ButtonSpinner.ButtonSpinnerLocationProperty.AddOwner<NumericUpDown>(); |
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|
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/// <summary>
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/// Defines the <see cref="ShowButtonSpinner"/> property.
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/// </summary>
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public static readonly StyledProperty<bool> ShowButtonSpinnerProperty = |
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ButtonSpinner.ShowButtonSpinnerProperty.AddOwner<NumericUpDown>(); |
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|
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/// <summary>
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/// Defines the <see cref="ClipValueToMinMax"/> property.
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/// </summary>
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public static readonly DirectProperty<NumericUpDown, bool> ClipValueToMinMaxProperty = |
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AvaloniaProperty.RegisterDirect<NumericUpDown, bool>(nameof(ClipValueToMinMax), |
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updown => updown.ClipValueToMinMax, (updown, b) => updown.ClipValueToMinMax = b); |
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|
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/// <summary>
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/// Defines the <see cref="CultureInfo"/> property.
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/// </summary>
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public static readonly DirectProperty<NumericUpDown, CultureInfo> CultureInfoProperty = |
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AvaloniaProperty.RegisterDirect<NumericUpDown, CultureInfo>(nameof(CultureInfo), o => o.CultureInfo, |
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(o, v) => o.CultureInfo = v, CultureInfo.CurrentCulture); |
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|
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/// <summary>
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/// Defines the <see cref="FormatString"/> property.
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/// </summary>
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public static readonly StyledProperty<string> FormatStringProperty = |
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AvaloniaProperty.Register<NumericUpDown, string>(nameof(FormatString), string.Empty); |
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|
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/// <summary>
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/// Defines the <see cref="Increment"/> property.
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/// </summary>
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public static readonly StyledProperty<double> IncrementProperty = |
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AvaloniaProperty.Register<NumericUpDown, double>(nameof(Increment), 1.0d, validate: OnCoerceIncrement); |
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|
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/// <summary>
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/// Defines the <see cref="IsReadOnly"/> property.
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/// </summary>
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public static readonly StyledProperty<bool> IsReadOnlyProperty = |
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AvaloniaProperty.Register<NumericUpDown, bool>(nameof(IsReadOnly)); |
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|
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/// <summary>
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/// Defines the <see cref="Maximum"/> property.
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/// </summary>
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public static readonly StyledProperty<double> MaximumProperty = |
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AvaloniaProperty.Register<NumericUpDown, double>(nameof(Maximum), double.MaxValue, validate: OnCoerceMaximum); |
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|
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/// <summary>
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/// Defines the <see cref="Minimum"/> property.
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/// </summary>
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public static readonly StyledProperty<double> MinimumProperty = |
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AvaloniaProperty.Register<NumericUpDown, double>(nameof(Minimum), double.MinValue, validate: OnCoerceMinimum); |
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|
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/// <summary>
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/// Defines the <see cref="ParsingNumberStyle"/> property.
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/// </summary>
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public static readonly DirectProperty<NumericUpDown, NumberStyles> ParsingNumberStyleProperty = |
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AvaloniaProperty.RegisterDirect<NumericUpDown, NumberStyles>(nameof(ParsingNumberStyle), |
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updown => updown.ParsingNumberStyle, (updown, style) => updown.ParsingNumberStyle = style); |
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|
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/// <summary>
|
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/// Defines the <see cref="Text"/> property.
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/// </summary>
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public static readonly DirectProperty<NumericUpDown, string> TextProperty = |
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AvaloniaProperty.RegisterDirect<NumericUpDown, string>(nameof(Text), o => o.Text, (o, v) => o.Text = v, |
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defaultBindingMode: BindingMode.TwoWay); |
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|
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/// <summary>
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/// Defines the <see cref="Value"/> property.
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/// </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 +1,279 @@ |
|||
// 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 +1,64 @@ |
|||
// (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 +1,43 @@ |
|||
<Styles xmlns="https://github.com/avaloniaui"> |
|||
<Style Selector="AutoCompleteBox"> |
|||
<Setter Property="Background" Value="{DynamicResource ThemeBackgroundBrush}"/> |
|||
<Setter Property="BorderBrush" Value="{DynamicResource ThemeBorderMidBrush}"/> |
|||
<Setter Property="BorderThickness" Value="{DynamicResource ThemeBorderThickness}"/> |
|||
<Setter Property="Padding" Value="4"/> |
|||
<Setter Property="Template"> |
|||
<ControlTemplate> |
|||
<Panel> |
|||
<TextBox Name="PART_TextBox" |
|||
Background="{TemplateBinding Background}" |
|||
BorderBrush="{TemplateBinding BorderBrush}" |
|||
BorderThickness="{TemplateBinding BorderThickness}" |
|||
Padding="{TemplateBinding Padding}" |
|||
Watermark="{TemplateBinding Watermark}" |
|||
DataValidationErrors.Errors="{TemplateBinding (DataValidationErrors.Errors)}" /> |
|||
|
|||
<Popup Name="PART_Popup" |
|||
MinWidth="{TemplateBinding Bounds.Width}" |
|||
MaxHeight="{TemplateBinding MaxDropDownHeight}" |
|||
PlacementTarget="{TemplateBinding}" |
|||
StaysOpen="False"> |
|||
<Border BorderBrush="{DynamicResource ThemeBorderMidBrush}" |
|||
BorderThickness="1"> |
|||
<ListBox Name="PART_SelectingItemsControl" |
|||
BorderThickness="0" |
|||
Background="{TemplateBinding Background}" |
|||
Foreground="{TemplateBinding Foreground}" |
|||
ItemTemplate="{TemplateBinding ItemTemplate}" |
|||
MemberSelector="{TemplateBinding ValueMemberSelector}" |
|||
ScrollViewer.HorizontalScrollBarVisibility="Auto" |
|||
ScrollViewer.VerticalScrollBarVisibility="Auto" /> |
|||
</Border> |
|||
</Popup> |
|||
</Panel> |
|||
</ControlTemplate> |
|||
</Setter> |
|||
</Style> |
|||
|
|||
<Style Selector="AutoCompleteBox ListBoxItem:pointerover"> |
|||
<Setter Property="Background" Value="#ffd0d0d0"/> |
|||
</Style> |
|||
</Styles> |
|||
@ -0,0 +1,41 @@ |
|||
<Styles xmlns="https://github.com/avaloniaui"> |
|||
<Style Selector="NumericUpDown"> |
|||
<Setter Property="TemplatedControl.BorderBrush" Value="{DynamicResource ThemeBorderLightBrush}"/> |
|||
<Setter Property="TemplatedControl.BorderThickness" Value="{DynamicResource ThemeBorderThickness}"/> |
|||
<Setter Property="TemplatedControl.Background" Value="{DynamicResource ThemeBackgroundBrush}" /> |
|||
<Setter Property="TemplatedControl.Foreground" Value="{DynamicResource ThemeForegroundBrush}" /> |
|||
<Setter Property="TemplatedControl.Template"> |
|||
<ControlTemplate> |
|||
<ButtonSpinner Name="PART_Spinner" |
|||
Background="{TemplateBinding Background}" |
|||
BorderThickness="{TemplateBinding BorderThickness}" |
|||
BorderBrush="{TemplateBinding BorderBrush}" |
|||
HorizontalContentAlignment="Stretch" |
|||
VerticalContentAlignment="Stretch" |
|||
AllowSpin="{TemplateBinding AllowSpin}" |
|||
ShowButtonSpinner="{TemplateBinding ShowButtonSpinner}" |
|||
ButtonSpinnerLocation="{TemplateBinding ButtonSpinnerLocation}"> |
|||
<TextBox Name="PART_TextBox" |
|||
BorderThickness="0" |
|||
Background="Transparent" |
|||
ContextMenu="{TemplateBinding ContextMenu}" |
|||
FontFamily="{TemplateBinding FontFamily}" |
|||
FontSize="{TemplateBinding FontSize}" |
|||
FontStyle="{TemplateBinding FontStyle}" |
|||
FontWeight="{TemplateBinding FontWeight}" |
|||
Foreground="{TemplateBinding Foreground}" |
|||
Watermark="{TemplateBinding Watermark}" |
|||
IsReadOnly="{TemplateBinding IsReadOnly}" |
|||
Text="{TemplateBinding Text}" |
|||
Padding="{TemplateBinding Padding}" |
|||
TextAlignment="Left" |
|||
Margin="1" |
|||
MinWidth="20" |
|||
AcceptsReturn="False" |
|||
TextWrapping="NoWrap"> |
|||
</TextBox> |
|||
</ButtonSpinner> |
|||
</ControlTemplate> |
|||
</Setter> |
|||
</Style> |
|||
</Styles> |
|||
@ -0,0 +1,97 @@ |
|||
// 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.Globalization; |
|||
using System.Linq; |
|||
|
|||
namespace Avalonia |
|||
{ |
|||
public struct CornerRadius |
|||
{ |
|||
public CornerRadius(double uniformRadius) |
|||
{ |
|||
TopLeft = TopRight = BottomLeft = BottomRight = uniformRadius; |
|||
|
|||
} |
|||
public CornerRadius(double top, double bottom) |
|||
{ |
|||
TopLeft = TopRight = top; |
|||
BottomLeft = BottomRight = bottom; |
|||
} |
|||
public CornerRadius(double topLeft, double topRight, double bottomRight, double bottomLeft) |
|||
{ |
|||
TopLeft = topLeft; |
|||
TopRight = topRight; |
|||
BottomRight = bottomRight; |
|||
BottomLeft = bottomLeft; |
|||
} |
|||
|
|||
public double TopLeft { get; } |
|||
public double TopRight { get; } |
|||
public double BottomRight { get; } |
|||
public double BottomLeft { get; } |
|||
public bool IsEmpty => TopLeft.Equals(0) && IsUniform; |
|||
public bool IsUniform => TopLeft.Equals(TopRight) && BottomLeft.Equals(BottomRight) && TopRight.Equals(BottomRight); |
|||
|
|||
public override bool Equals(object obj) |
|||
{ |
|||
if (obj is CornerRadius) |
|||
{ |
|||
return this == (CornerRadius)obj; |
|||
} |
|||
return false; |
|||
} |
|||
|
|||
public override int GetHashCode() |
|||
{ |
|||
return TopLeft.GetHashCode() ^ TopRight.GetHashCode() ^ BottomLeft.GetHashCode() ^ BottomRight.GetHashCode(); |
|||
} |
|||
|
|||
public override string ToString() |
|||
{ |
|||
return $"{TopLeft},{TopRight},{BottomRight},{BottomLeft}"; |
|||
} |
|||
|
|||
public static CornerRadius Parse(string s, CultureInfo culture) |
|||
{ |
|||
var parts = s.Split(new[] { ',', ' ' }, StringSplitOptions.RemoveEmptyEntries) |
|||
.Select(x => x.Trim()) |
|||
.ToList(); |
|||
|
|||
switch (parts.Count) |
|||
{ |
|||
case 1: |
|||
var uniform = double.Parse(parts[0], culture); |
|||
return new CornerRadius(uniform); |
|||
case 2: |
|||
var top = double.Parse(parts[0], culture); |
|||
var bottom = double.Parse(parts[1], culture); |
|||
return new CornerRadius(top, bottom); |
|||
case 4: |
|||
var topLeft = double.Parse(parts[0], culture); |
|||
var topRight = double.Parse(parts[1], culture); |
|||
var bottomRight = double.Parse(parts[2], culture); |
|||
var bottomLeft = double.Parse(parts[3], culture); |
|||
return new CornerRadius(topLeft, topRight, bottomRight, bottomLeft); |
|||
default: |
|||
{ |
|||
throw new FormatException("Invalid CornerRadius."); |
|||
} |
|||
} |
|||
} |
|||
|
|||
public static bool operator ==(CornerRadius cr1, CornerRadius cr2) |
|||
{ |
|||
return cr1.TopLeft.Equals(cr2.TopLeft) |
|||
&& cr1.TopRight.Equals(cr2.TopRight) |
|||
&& cr1.BottomRight.Equals(cr2.BottomRight) |
|||
&& cr1.BottomLeft.Equals(cr2.BottomLeft); |
|||
} |
|||
|
|||
public static bool operator !=(CornerRadius cr1, CornerRadius cr2) |
|||
{ |
|||
return !(cr1 == cr2); |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,19 @@ |
|||
using System; |
|||
using System.ComponentModel; |
|||
using System.Globalization; |
|||
|
|||
namespace Avalonia.Markup.Xaml.Converters |
|||
{ |
|||
public class CornerRadiusTypeConverter : TypeConverter |
|||
{ |
|||
public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) |
|||
{ |
|||
return sourceType == typeof(string); |
|||
} |
|||
|
|||
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) |
|||
{ |
|||
return CornerRadius.Parse((string)value, culture); |
|||
} |
|||
} |
|||
} |
|||
File diff suppressed because it is too large
@ -0,0 +1,43 @@ |
|||
// 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.Globalization; |
|||
using Xunit; |
|||
|
|||
namespace Avalonia.Visuals.UnitTests |
|||
{ |
|||
public class CornerRadiusTests |
|||
{ |
|||
[Fact] |
|||
public void Parse_Parses_Single_Uniform_Radius() |
|||
{ |
|||
var result = CornerRadius.Parse("3.4", CultureInfo.InvariantCulture); |
|||
|
|||
Assert.Equal(new CornerRadius(3.4), result); |
|||
} |
|||
|
|||
[Fact] |
|||
public void Parse_Parses_Top_Bottom() |
|||
{ |
|||
var result = CornerRadius.Parse("1.1,2.2", CultureInfo.InvariantCulture); |
|||
|
|||
Assert.Equal(new CornerRadius(1.1, 2.2), result); |
|||
} |
|||
|
|||
[Fact] |
|||
public void Parse_Parses_TopLeft_TopRight_BottomRight_BottomLeft() |
|||
{ |
|||
var result = CornerRadius.Parse("1.1,2.2,3.3,4.4", CultureInfo.InvariantCulture); |
|||
|
|||
Assert.Equal(new CornerRadius(1.1, 2.2, 3.3, 4.4), result); |
|||
} |
|||
|
|||
[Fact] |
|||
public void Parse_Accepts_Spaces() |
|||
{ |
|||
var result = CornerRadius.Parse("1.1 2.2 3.3 4.4", CultureInfo.InvariantCulture); |
|||
|
|||
Assert.Equal(new CornerRadius(1.1, 2.2, 3.3, 4.4), result); |
|||
} |
|||
} |
|||
} |
|||
|
After Width: | Height: | Size: 1.1 KiB |
|
After Width: | Height: | Size: 1.3 KiB |
|
After Width: | Height: | Size: 1.1 KiB |
|
After Width: | Height: | Size: 1.3 KiB |
Loading…
Reference in new issue