brianlagunas_cp
15 years ago
14 changed files with 726 additions and 17 deletions
@ -0,0 +1,10 @@ |
|||
"" |
|||
{ |
|||
"FILE_VERSION" = "9237" |
|||
"ENLISTMENT_CHOICE" = "NEVER" |
|||
"PROJECT_FILE_RELATIVE_PATH" = "" |
|||
"NUMBER_OF_EXCLUDED_FILES" = "0" |
|||
"ORIGINAL_PROJECT_FILE_PATH" = "" |
|||
"NUMBER_OF_NESTED_PROJECTS" = "0" |
|||
"SOURCE_CONTROL_SETTINGS_PROVIDER" = "PROJECT" |
|||
} |
|||
@ -0,0 +1,186 @@ |
|||
<UserControl x:Class="Microsoft.Windows.Controls.Formatting.FormatToolbar" |
|||
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" |
|||
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" |
|||
Background="Transparent" |
|||
IsTabStop="False" |
|||
x:Name="_window"> |
|||
<UserControl.Effect> |
|||
<DropShadowEffect BlurRadius="5" Opacity=".25" /> |
|||
</UserControl.Effect> |
|||
|
|||
<UserControl.Resources> |
|||
|
|||
<ControlTemplate x:Key="ThumbControlTemplate" TargetType="{x:Type Thumb}"> |
|||
<Border Background="Transparent" Cursor="Hand" ToolTip="Click to Drag"> |
|||
</Border> |
|||
</ControlTemplate> |
|||
|
|||
<Style TargetType="{x:Type Separator}" BasedOn="{StaticResource {x:Static ToolBar.SeparatorStyleKey}}"/> |
|||
|
|||
<SolidColorBrush x:Key="MouseOverBorderBrush" Color="#FFFFB700" /> |
|||
<LinearGradientBrush x:Key="MouseOverBackgroundBrush" StartPoint="0,0" EndPoint="0,1" > |
|||
<GradientStop Offset="0" Color="#FFFEFBF4" /> |
|||
<GradientStop Offset="0.19" Color="#FFFDE7CE" /> |
|||
<GradientStop Offset="0.39" Color="#FFFDDEB8" /> |
|||
<GradientStop Offset="0.39" Color="#FFFFCE6B" /> |
|||
<GradientStop Offset="0.79" Color="#FFFFDE9A" /> |
|||
<GradientStop Offset="1" Color="#FFFFEBAA" /> |
|||
</LinearGradientBrush> |
|||
|
|||
<SolidColorBrush x:Key="CheckedBorderBrush" Color="#FFC29B29" /> |
|||
<LinearGradientBrush x:Key="CheckedBackgroundBrush" StartPoint="0,0" EndPoint="0,1" > |
|||
<GradientStop Offset="0" Color="#FFFFDCA0" /> |
|||
<GradientStop Offset="0.18" Color="#FFFFD692" /> |
|||
<GradientStop Offset="0.39" Color="#FFFFC45D" /> |
|||
<GradientStop Offset="1" Color="#FFFFD178" /> |
|||
</LinearGradientBrush> |
|||
|
|||
<SolidColorBrush x:Key="PressedBorderBrush" Color="#FFC29B29" /> |
|||
<LinearGradientBrush x:Key="PressedBackgroundBrush" StartPoint="0,0" EndPoint="0,1" > |
|||
<GradientStop Offset="0" Color="#FFE3C085" /> |
|||
<GradientStop Offset="0.19" Color="#FFF4CC89" /> |
|||
<GradientStop Offset="0.36" Color="#FFF5C777" /> |
|||
<GradientStop Offset="0.36" Color="#FFF5BB56" /> |
|||
<GradientStop Offset="0.79" Color="#FFF4CE9A" /> |
|||
<GradientStop Offset="1" Color="#FFF3E28D" /> |
|||
</LinearGradientBrush> |
|||
|
|||
<Style x:Key="FormatBarToggleButtonStyle" TargetType="{x:Type ToggleButton}"> |
|||
<Setter Property="Background" Value="Transparent"/> |
|||
<Setter Property="BorderBrush" Value="Transparent"/> |
|||
<Setter Property="BorderThickness" Value="1"/> |
|||
<Setter Property="FocusVisualStyle" Value="{x:Null}"/> |
|||
<Setter Property="Height" Value="22" /> |
|||
<Setter Property="HorizontalContentAlignment" Value="Center"/> |
|||
<Setter Property="ToolTipService.InitialShowDelay" Value="900"/> |
|||
<Setter Property="ToolTipService.ShowDuration" Value="20000"/> |
|||
<Setter Property="ToolTipService.BetweenShowDelay" Value="0"/> |
|||
<Setter Property="Template"> |
|||
<Setter.Value> |
|||
<ControlTemplate TargetType="{x:Type ToggleButton}"> |
|||
<Grid SnapsToDevicePixels="True"> |
|||
<Border x:Name="OuterBorder" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" CornerRadius="2"/> |
|||
<Border x:Name="MiddleBorder" BorderBrush="Transparent" BorderThickness="{TemplateBinding BorderThickness}" Background="Transparent" CornerRadius="2"> |
|||
<Border x:Name="InnerBorder" BorderBrush="Transparent" BorderThickness="{TemplateBinding BorderThickness}" Background="Transparent" CornerRadius="2" Padding="{TemplateBinding Padding}"> |
|||
<StackPanel x:Name="StackPanel" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"> |
|||
<ContentPresenter x:Name="Content" Content="{TemplateBinding Content}" Margin="1" |
|||
RenderOptions.BitmapScalingMode="NearestNeighbor" |
|||
VerticalAlignment="Center" |
|||
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" /> |
|||
</StackPanel> |
|||
</Border> |
|||
</Border> |
|||
</Grid> |
|||
<ControlTemplate.Triggers> |
|||
<Trigger Property="IsMouseOver" Value="True"> |
|||
<Setter Property="Background" TargetName="OuterBorder" Value="{StaticResource MouseOverBackgroundBrush}"/> |
|||
<Setter Property="BorderBrush" TargetName="OuterBorder" Value="{StaticResource MouseOverBorderBrush}"/> |
|||
<Setter Property="BorderBrush" TargetName="InnerBorder" Value="#80FFFFFF"/> |
|||
</Trigger> |
|||
|
|||
<Trigger Property="IsEnabled" Value="False"> |
|||
<Setter Property="Opacity" TargetName="Content" Value="0.5"/> |
|||
<Setter Property="TextElement.Foreground" TargetName="OuterBorder" Value="#FF9E9E9E"/> |
|||
</Trigger> |
|||
|
|||
<Trigger Property="IsChecked" Value="True"> |
|||
<Setter Property="Background" TargetName="OuterBorder" Value="{StaticResource CheckedBackgroundBrush}"/> |
|||
<Setter Property="BorderBrush" TargetName="OuterBorder" Value="{StaticResource CheckedBorderBrush}"/> |
|||
<Setter Property="BorderBrush" TargetName="InnerBorder"> |
|||
<Setter.Value> |
|||
<LinearGradientBrush EndPoint="0,1" StartPoint="0,0"> |
|||
<GradientStop Color="#FFE7CBAD" Offset="0"/> |
|||
<GradientStop Color="#FFF7D7B5" Offset="0.1"/> |
|||
<GradientStop Color="#FFFFD38C" Offset="0.36"/> |
|||
<GradientStop Color="#FFFFC75A" Offset="0.36"/> |
|||
<GradientStop Color="#FFFFEFA5" Offset="1"/> |
|||
</LinearGradientBrush> |
|||
</Setter.Value> |
|||
</Setter> |
|||
</Trigger> |
|||
|
|||
<Trigger Property="IsPressed" Value="True"> |
|||
<Setter Property="Background" TargetName="OuterBorder" Value="{StaticResource PressedBackgroundBrush}"/> |
|||
<Setter Property="BorderBrush" TargetName="OuterBorder" Value="{StaticResource PressedBorderBrush}"/> |
|||
<Setter Property="BorderBrush" TargetName="InnerBorder" Value="Transparent"/> |
|||
</Trigger> |
|||
|
|||
<MultiTrigger> |
|||
<MultiTrigger.Conditions> |
|||
<Condition Property="IsChecked" Value="True"/> |
|||
<Condition Property="IsMouseOver" Value="True"/> |
|||
</MultiTrigger.Conditions> |
|||
<Setter Property="Background" TargetName="MiddleBorder"> |
|||
<Setter.Value> |
|||
<LinearGradientBrush EndPoint="0,1" StartPoint="0,0"> |
|||
<GradientStop Color="#40FFFEFE" Offset="0"/> |
|||
<GradientStop Color="#40FFFEFE" Offset="0.39"/> |
|||
<GradientStop Color="#20FFCE68" Offset="0.39"/> |
|||
<GradientStop Color="#20FFCE68" Offset="0.69"/> |
|||
<GradientStop Color="#10FFFFFF" Offset="1"/> |
|||
</LinearGradientBrush> |
|||
</Setter.Value> |
|||
</Setter> |
|||
</MultiTrigger> |
|||
</ControlTemplate.Triggers> |
|||
</ControlTemplate> |
|||
</Setter.Value> |
|||
</Setter> |
|||
</Style> |
|||
|
|||
</UserControl.Resources> |
|||
|
|||
<Border CornerRadius="3" BorderThickness="1" BorderBrush="Gray" Background="WhiteSmoke"> |
|||
<Grid Margin="5,0,5,5"> |
|||
<Grid.RowDefinitions> |
|||
<RowDefinition /> |
|||
<RowDefinition /> |
|||
</Grid.RowDefinitions> |
|||
|
|||
<Thumb x:Name="_dragWidget" Height="10" |
|||
Template="{StaticResource ThumbControlTemplate}" |
|||
DragDelta="DragWidget_DragDelta"/> |
|||
|
|||
<StackPanel Grid.Row="1"> |
|||
<StackPanel Orientation="Horizontal"> |
|||
<ComboBox x:Name="_cmbFontFamilies" IsEditable="True" Width="110" |
|||
SelectionChanged="FontFamily_SelectionChanged"/> |
|||
<ComboBox x:Name="_cmbFontSizes" IsEditable="True" Width="45" |
|||
SelectionChanged="FontSize_SelectionChanged"/> |
|||
</StackPanel> |
|||
|
|||
<StackPanel Orientation="Horizontal" Margin="0,3,0,0"> |
|||
<ToggleButton x:Name="_btnBold" Style="{StaticResource FormatBarToggleButtonStyle}" |
|||
Command="EditingCommands.ToggleBold" CommandTarget="{Binding ElementName=_window, Path=RichTextBox}"> |
|||
<Image Source="/WPFToolkit.Extended;component/RichTextBox/FormatToolbar/Images/Bold16.png" /> |
|||
</ToggleButton> |
|||
<ToggleButton x:Name="_btnItalic" Style="{StaticResource FormatBarToggleButtonStyle}" |
|||
Command="{x:Static EditingCommands.ToggleItalic}" CommandTarget="{Binding ElementName=_window, Path=RichTextBox}"> |
|||
<Image Source="/WPFToolkit.Extended;component/RichTextBox/FormatToolbar/Images/Italic16.png" /> |
|||
</ToggleButton> |
|||
<ToggleButton x:Name="_btnUnderline" Style="{StaticResource FormatBarToggleButtonStyle}" |
|||
Command="{x:Static EditingCommands.ToggleUnderline}" CommandTarget="{Binding ElementName=_window, Path=RichTextBox}"> |
|||
<Image Source="/WPFToolkit.Extended;component/RichTextBox/FormatToolbar/Images/Underline16.png" /> |
|||
</ToggleButton> |
|||
|
|||
<Separator /> |
|||
|
|||
<RadioButton x:Name="_btnAlignLeft" Style="{StaticResource FormatBarToggleButtonStyle}" |
|||
Command="{x:Static EditingCommands.AlignLeft}" CommandTarget="{Binding ElementName=_window, Path=RichTextBox}" > |
|||
<Image Source="/WPFToolkit.Extended;component/RichTextBox/FormatToolbar/Images/LeftAlign16.png" /> |
|||
</RadioButton> |
|||
<RadioButton x:Name="_btnAlignCenter" Style="{StaticResource FormatBarToggleButtonStyle}" |
|||
Command="{x:Static EditingCommands.AlignCenter}" CommandTarget="{Binding ElementName=_window, Path=RichTextBox}" > |
|||
<Image Source="/WPFToolkit.Extended;component/RichTextBox/FormatToolbar/Images/CenterAlign16.png" /> |
|||
</RadioButton> |
|||
<RadioButton x:Name="_btnAlignRight" Style="{StaticResource FormatBarToggleButtonStyle}" |
|||
Command="{x:Static EditingCommands.AlignRight}" CommandTarget="{Binding ElementName=_window, Path=RichTextBox}" > |
|||
<Image Source="/WPFToolkit.Extended;component/RichTextBox/FormatToolbar/Images/RightAlign16.png" /> |
|||
</RadioButton> |
|||
|
|||
</StackPanel> |
|||
|
|||
</StackPanel> |
|||
</Grid> |
|||
</Border> |
|||
</UserControl> |
|||
@ -0,0 +1,148 @@ |
|||
using System; |
|||
using System.Windows; |
|||
using System.Windows.Controls; |
|||
using System.Windows.Documents; |
|||
using System.Windows.Media; |
|||
using System.Windows.Controls.Primitives; |
|||
|
|||
namespace Microsoft.Windows.Controls.Formatting |
|||
{ |
|||
/// <summary>
|
|||
/// Interaction logic for FormatToolbar.xaml
|
|||
/// </summary>
|
|||
public partial class FormatToolbar : UserControl |
|||
{ |
|||
#region Properties
|
|||
|
|||
public static readonly DependencyProperty RichTextBoxProperty = DependencyProperty.Register("RichTextBox", typeof(RichTextBox), typeof(FormatToolbar)); |
|||
public RichTextBox RichTextBox |
|||
{ |
|||
get { return (RichTextBox)GetValue(RichTextBoxProperty); } |
|||
set { SetValue(RichTextBoxProperty, value); } |
|||
} |
|||
|
|||
public double[] FontSizes |
|||
{ |
|||
get |
|||
{ |
|||
return new double[] { |
|||
3.0, 4.0, 5.0, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0, 9.5, |
|||
10.0, 10.5, 11.0, 11.5, 12.0, 12.5, 13.0, 13.5, 14.0, 15.0, |
|||
16.0, 17.0, 18.0, 19.0, 20.0, 22.0, 24.0, 26.0, 28.0, 30.0, |
|||
32.0, 34.0, 36.0, 38.0, 40.0, 44.0, 48.0, 52.0, 56.0, 60.0, 64.0, 68.0, 72.0, 76.0, |
|||
80.0, 88.0, 96.0, 104.0, 112.0, 120.0, 128.0, 136.0, 144.0 |
|||
}; |
|||
} |
|||
} |
|||
|
|||
#endregion
|
|||
|
|||
#region Constructors
|
|||
|
|||
public FormatToolbar(RichTextBox richTextBox) |
|||
{ |
|||
InitializeComponent(); |
|||
Loaded += FormatToolbar_Loaded; |
|||
RichTextBox = richTextBox; |
|||
RichTextBox.SelectionChanged += RichTextBox_SelectionChanged; |
|||
} |
|||
|
|||
#endregion //Constructors
|
|||
|
|||
#region Event Hanlders
|
|||
|
|||
void FormatToolbar_Loaded(object sender, RoutedEventArgs e) |
|||
{ |
|||
_cmbFontFamilies.ItemsSource = System.Windows.Media.Fonts.SystemFontFamilies; |
|||
_cmbFontSizes.ItemsSource = FontSizes; |
|||
} |
|||
|
|||
private void FontFamily_SelectionChanged(object sender, SelectionChangedEventArgs e) |
|||
{ |
|||
if (e.AddedItems.Count == 0) |
|||
return; |
|||
|
|||
FontFamily editValue = (FontFamily)e.AddedItems[0]; |
|||
ApplyPropertyValueToSelectedText(TextElement.FontFamilyProperty, editValue); |
|||
} |
|||
|
|||
private void FontSize_SelectionChanged(object sender, SelectionChangedEventArgs e) |
|||
{ |
|||
if (e.AddedItems.Count == 0) |
|||
return; |
|||
|
|||
ApplyPropertyValueToSelectedText(TextElement.FontSizeProperty, e.AddedItems[0]); |
|||
} |
|||
|
|||
void RichTextBox_SelectionChanged(object sender, RoutedEventArgs e) |
|||
{ |
|||
UpdateVisualState(); |
|||
} |
|||
|
|||
private void DragWidget_DragDelta(object sender, DragDeltaEventArgs e) |
|||
{ |
|||
ProcessMove(e); |
|||
} |
|||
|
|||
#endregion //Event Hanlders
|
|||
|
|||
#region Methods
|
|||
|
|||
private void UpdateVisualState() |
|||
{ |
|||
UpdateToggleButtonState(); |
|||
UpdateSelectedFontFamily(); |
|||
UpdateSelectedFontSize(); |
|||
} |
|||
|
|||
private void UpdateToggleButtonState() |
|||
{ |
|||
UpdateItemCheckedState(_btnBold, TextElement.FontWeightProperty, FontWeights.Bold); |
|||
UpdateItemCheckedState(_btnItalic, TextElement.FontStyleProperty, FontStyles.Italic); |
|||
UpdateItemCheckedState(_btnUnderline, Inline.TextDecorationsProperty, TextDecorations.Underline); |
|||
|
|||
UpdateItemCheckedState(_btnAlignLeft, Paragraph.TextAlignmentProperty, TextAlignment.Left); |
|||
UpdateItemCheckedState(_btnAlignCenter, Paragraph.TextAlignmentProperty, TextAlignment.Center); |
|||
UpdateItemCheckedState(_btnAlignRight, Paragraph.TextAlignmentProperty, TextAlignment.Right); |
|||
} |
|||
|
|||
void UpdateItemCheckedState(ToggleButton button, DependencyProperty formattingProperty, object expectedValue) |
|||
{ |
|||
object currentValue = RichTextBox.Selection.GetPropertyValue(formattingProperty); |
|||
button.IsChecked = (currentValue == DependencyProperty.UnsetValue) ? false : currentValue != null && currentValue.Equals(expectedValue); |
|||
} |
|||
|
|||
private void UpdateSelectedFontFamily() |
|||
{ |
|||
object value = RichTextBox.Selection.GetPropertyValue(TextElement.FontFamilyProperty); |
|||
FontFamily currentFontFamily = (FontFamily)((value == DependencyProperty.UnsetValue) ? null : value); |
|||
if (currentFontFamily != null) |
|||
{ |
|||
_cmbFontFamilies.SelectedItem = currentFontFamily; |
|||
} |
|||
} |
|||
|
|||
private void UpdateSelectedFontSize() |
|||
{ |
|||
object value = RichTextBox.Selection.GetPropertyValue(TextElement.FontSizeProperty); |
|||
_cmbFontSizes.SelectedValue = (value == DependencyProperty.UnsetValue) ? null : value; |
|||
} |
|||
|
|||
void ApplyPropertyValueToSelectedText(DependencyProperty formattingProperty, object value) |
|||
{ |
|||
if (value == null) |
|||
return; |
|||
|
|||
RichTextBox.Selection.ApplyPropertyValue(formattingProperty, value); |
|||
} |
|||
|
|||
private void ProcessMove(DragDeltaEventArgs e) |
|||
{ |
|||
AdornerLayer layer = AdornerLayer.GetAdornerLayer(RichTextBox); |
|||
UIElementAdorner<Control> adorner = layer.GetAdorners(RichTextBox)[0] as UIElementAdorner<Control>; |
|||
adorner.SetOffsets(adorner.OffsetLeft + e.HorizontalChange, adorner.OffsetTop + e.VerticalChange); |
|||
} |
|||
|
|||
#endregion //Methods
|
|||
} |
|||
} |
|||
@ -0,0 +1,107 @@ |
|||
using System; |
|||
using System.Windows.Controls; |
|||
using System.Windows.Documents; |
|||
using System.Windows; |
|||
|
|||
namespace Microsoft.Windows.Controls.Formatting |
|||
{ |
|||
internal class FormatToolbarManager |
|||
{ |
|||
RichTextBox _richTextBox; |
|||
readonly UIElementAdorner<Control> _adorner; |
|||
FormatToolbar toolbar; |
|||
|
|||
bool AdornerIsVisible |
|||
{ |
|||
get { return _adorner.Visibility == Visibility.Visible; } |
|||
} |
|||
|
|||
public FormatToolbarManager(RichTextBox richTextBox) |
|||
{ |
|||
_richTextBox = richTextBox; |
|||
_adorner = new UIElementAdorner<Control>(richTextBox); |
|||
toolbar = new FormatToolbar(richTextBox); |
|||
AttachToRichtextBox(); |
|||
} |
|||
|
|||
private void AttachToRichtextBox() |
|||
{ |
|||
_richTextBox.Selection.Changed += Selection_Changed; |
|||
} |
|||
|
|||
void Selection_Changed(object sender, EventArgs e) |
|||
{ |
|||
TextRange selectedText = new TextRange(_richTextBox.Selection.Start, _richTextBox.Selection.End); |
|||
if (selectedText.Text.Length > 0) |
|||
{ |
|||
VerifyAdorner(); |
|||
} |
|||
else |
|||
{ |
|||
HideAdorner(); |
|||
} |
|||
} |
|||
|
|||
//TODO: refactor
|
|||
void VerifyAdorner() |
|||
{ |
|||
VerifyAdornerLayer(); |
|||
|
|||
Control adorningEditor = toolbar; |
|||
_adorner.Child = adorningEditor; |
|||
_adorner.Visibility = Visibility.Visible; |
|||
|
|||
Rect wordBoundary = _richTextBox.Selection.End.GetPositionAtOffset(0, LogicalDirection.Backward).GetCharacterRect(LogicalDirection.Backward); |
|||
|
|||
double left = wordBoundary.X; |
|||
double top = (wordBoundary.Y + wordBoundary.Height) - toolbar.ActualHeight; |
|||
|
|||
//top boundary
|
|||
if (top < 0) |
|||
{ |
|||
top = wordBoundary.Y + wordBoundary.Height; |
|||
} |
|||
|
|||
//right boundary
|
|||
if (left + toolbar.ActualWidth > _richTextBox.ActualWidth - 20) |
|||
{ |
|||
left = left - toolbar.ActualWidth; |
|||
top = wordBoundary.Y + wordBoundary.Height + 5; |
|||
} |
|||
|
|||
//bottom boundary
|
|||
if (top + toolbar.ActualHeight > _richTextBox.ActualHeight - 20) |
|||
{ |
|||
top = wordBoundary.Y - (toolbar.ActualHeight + wordBoundary.Height); |
|||
} |
|||
|
|||
_adorner.SetOffsets(left, top); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Ensures that the adorner is in the adorner layer.
|
|||
/// </summary>
|
|||
/// <returns>True if the adorner is in the adorner layer, else false.</returns>
|
|||
bool VerifyAdornerLayer() |
|||
{ |
|||
if (_adorner.Parent != null) |
|||
return true; |
|||
|
|||
AdornerLayer layer = AdornerLayer.GetAdornerLayer(_richTextBox); |
|||
if (layer == null) |
|||
return false; |
|||
|
|||
layer.Add(_adorner); |
|||
return true; |
|||
} |
|||
|
|||
void HideAdorner() |
|||
{ |
|||
if (this.AdornerIsVisible) |
|||
{ |
|||
_adorner.Visibility = Visibility.Collapsed; |
|||
_adorner.Child = null; |
|||
} |
|||
} |
|||
} |
|||
} |
|||
|
After Width: | Height: | Size: 175 B |
|
After Width: | Height: | Size: 172 B |
|
After Width: | Height: | Size: 183 B |
|
After Width: | Height: | Size: 169 B |
|
After Width: | Height: | Size: 186 B |
|
After Width: | Height: | Size: 181 B |
|
After Width: | Height: | Size: 197 B |
@ -0,0 +1,215 @@ |
|||
using System; |
|||
using System.Collections; |
|||
using System.Windows.Media; |
|||
using System.Windows.Documents; |
|||
using System.Windows; |
|||
|
|||
namespace Microsoft.Windows.Controls.Formatting |
|||
{ |
|||
/// <summary>
|
|||
/// An adorner that can display one and only one UIElement.
|
|||
/// That element can be a panel, which contains multiple other elements.
|
|||
/// The element is added to the adorner's visual and logical trees, enabling it to
|
|||
/// particpate in dependency property value inheritance, amongst other things.
|
|||
/// </summary>
|
|||
internal class UIElementAdorner<TElement> |
|||
: Adorner |
|||
where TElement : UIElement |
|||
{ |
|||
#region Fields
|
|||
|
|||
TElement _child = null; |
|||
double _offsetLeft = 0; |
|||
double _offsetTop = 0; |
|||
|
|||
#endregion // Fields
|
|||
|
|||
#region Constructor
|
|||
|
|||
/// <summary>
|
|||
/// Constructor.
|
|||
/// </summary>
|
|||
/// <param name="adornedElement">The element to which the adorner will be bound.</param>
|
|||
public UIElementAdorner(UIElement adornedElement) |
|||
: base(adornedElement) |
|||
{ |
|||
} |
|||
|
|||
#endregion // Constructor
|
|||
|
|||
#region Public Interface
|
|||
|
|||
#region Child
|
|||
|
|||
/// <summary>
|
|||
/// Gets/sets the child element hosted in the adorner.
|
|||
/// </summary>
|
|||
public TElement Child |
|||
{ |
|||
get { return _child; } |
|||
set |
|||
{ |
|||
if (value == _child) |
|||
return; |
|||
|
|||
if (_child != null) |
|||
{ |
|||
base.RemoveLogicalChild(_child); |
|||
base.RemoveVisualChild(_child); |
|||
} |
|||
|
|||
_child = value; |
|||
|
|||
if (_child != null) |
|||
{ |
|||
base.AddLogicalChild(_child); |
|||
base.AddVisualChild(_child); |
|||
} |
|||
} |
|||
} |
|||
|
|||
#endregion // Child
|
|||
|
|||
#region GetDesiredTransform
|
|||
|
|||
/// <summary>
|
|||
/// Override.
|
|||
/// </summary>
|
|||
/// <param name="transform"></param>
|
|||
/// <returns></returns>
|
|||
public override GeneralTransform GetDesiredTransform(GeneralTransform transform) |
|||
{ |
|||
GeneralTransformGroup result = new GeneralTransformGroup(); |
|||
result.Children.Add(base.GetDesiredTransform(transform)); |
|||
result.Children.Add(new TranslateTransform(_offsetLeft, _offsetTop)); |
|||
return result; |
|||
} |
|||
|
|||
#endregion // GetDesiredTransform
|
|||
|
|||
#region OffsetLeft
|
|||
|
|||
/// <summary>
|
|||
/// Gets/sets the horizontal offset of the adorner.
|
|||
/// </summary>
|
|||
public double OffsetLeft |
|||
{ |
|||
get { return _offsetLeft; } |
|||
set |
|||
{ |
|||
_offsetLeft = value; |
|||
UpdateLocation(); |
|||
} |
|||
} |
|||
|
|||
#endregion // OffsetLeft
|
|||
|
|||
#region SetOffsets
|
|||
|
|||
/// <summary>
|
|||
/// Updates the location of the adorner in one atomic operation.
|
|||
/// </summary>
|
|||
public void SetOffsets(double left, double top) |
|||
{ |
|||
_offsetLeft = left; |
|||
_offsetTop = top; |
|||
this.UpdateLocation(); |
|||
} |
|||
|
|||
#endregion // SetOffsets
|
|||
|
|||
#region OffsetTop
|
|||
|
|||
/// <summary>
|
|||
/// Gets/sets the vertical offset of the adorner.
|
|||
/// </summary>
|
|||
public double OffsetTop |
|||
{ |
|||
get { return _offsetTop; } |
|||
set |
|||
{ |
|||
_offsetTop = value; |
|||
UpdateLocation(); |
|||
} |
|||
} |
|||
|
|||
#endregion // OffsetTop
|
|||
|
|||
#endregion // Public Interface
|
|||
|
|||
#region Protected Overrides
|
|||
|
|||
/// <summary>
|
|||
/// Override.
|
|||
/// </summary>
|
|||
/// <param name="constraint"></param>
|
|||
/// <returns></returns>
|
|||
protected override Size MeasureOverride(Size constraint) |
|||
{ |
|||
if (_child == null) |
|||
return base.MeasureOverride(constraint); |
|||
|
|||
_child.Measure(constraint); |
|||
return _child.DesiredSize; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Override.
|
|||
/// </summary>
|
|||
/// <param name="finalSize"></param>
|
|||
/// <returns></returns>
|
|||
protected override Size ArrangeOverride(Size finalSize) |
|||
{ |
|||
if (_child == null) |
|||
return base.ArrangeOverride(finalSize); |
|||
|
|||
_child.Arrange(new Rect(finalSize)); |
|||
return finalSize; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Override.
|
|||
/// </summary>
|
|||
protected override IEnumerator LogicalChildren |
|||
{ |
|||
get |
|||
{ |
|||
ArrayList list = new ArrayList(); |
|||
if (_child != null) |
|||
list.Add(_child); |
|||
return list.GetEnumerator(); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Override.
|
|||
/// </summary>
|
|||
/// <param name="index"></param>
|
|||
/// <returns></returns>
|
|||
protected override Visual GetVisualChild(int index) |
|||
{ |
|||
return _child; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Override.
|
|||
/// </summary>
|
|||
protected override int VisualChildrenCount |
|||
{ |
|||
get { return _child == null ? 0 : 1; } |
|||
} |
|||
|
|||
#endregion // Protected Overrides
|
|||
|
|||
#region Private Helpers
|
|||
|
|||
void UpdateLocation() |
|||
{ |
|||
AdornerLayer adornerLayer = base.Parent as AdornerLayer; |
|||
if (adornerLayer != null) |
|||
adornerLayer.Update(base.AdornedElement); |
|||
} |
|||
|
|||
#endregion // Private Helpers
|
|||
} |
|||
} |
|||
Loading…
Reference in new issue