private static void AttachEventHandlers(TextBoxBase textBox, UndoManager manager)
{
if (textBox != null && manager != null)
{
textBox.AddHandler(CommandManager.PreviewExecutedEvent, new ExecutedRoutedEventHandler(manager.ExecutedHandler), true); // we need to see all events to subvert the built-in undo/redo tracking in the text boxes
textBox.TextChanged += new TextChangedEventHandler(manager.TextChangedHandler);
}
}
/// <summary>
/// Registers this object to receive notifications of changes to the content.
/// </summary>
/// <param name="dependencyObject">The target element that will register for state change events.</param>
public override void Register(DependencyObject dependencyObject)
{
// The Undo/Redo strategy involves handling global operations that are common to all controls and specific operations
// that are particular to a family of controls. This registers handlers for this family of controls that will add the
// proper actions to the Undo/Redo stacks.
TextBoxBase textBox = dependencyObject as TextBoxBase;
textBox.AddHandler(TextBoxBase.TextChangedEvent, new TextChangedEventHandler(TextChangedHandler), true);
}
public override void Instantiate()
{
base.Instantiate();
this.CopyProperty(RichTextBoxElement.VerticalScrollBarVisibilityProperty);
this.CopyProperty(RichTextBoxElement.HorizontalScrollBarVisibilityProperty);
this.CopyProperty(ControlElement.ForegroundProperty);
this.CopyProperty(ControlElement.BackgroundProperty);
this.CopyProperty(ControlElement.BorderThicknessProperty);
this.CopyProperty(RichTextBoxElement.TextAlignmentProperty);
this.CopyProperty(RichTextBoxElement.CaretBrushProperty);
if (this.EditingElement.Platform.Metadata.ResolveProperty(TextBlockElement.BackgroundProperty) != null)
{
this.CopyProperty(ControlElement.BackgroundProperty);
}
if (this.TextSource.IsSet(RichTextBoxElement.BlocksProperty) == PropertyState.Set)
{
this.TextSource.DocumentNodePath.GetPathInContainer(((DocumentCompositeNode)this.TextSource.DocumentNode).Properties[RichTextBoxElement.BlocksProperty]);
IDocumentContext documentContext = this.TextSource.ViewModel.Document.DocumentContext;
this.RichTextBox.Document.Blocks.Clear();
this.inlineUIElementStandIns = new List <Microsoft.Expression.DesignModel.DocumentModel.DocumentNode>();
this.inlineUIElementOriginals = new List <Microsoft.Expression.DesignModel.DocumentModel.DocumentNode>();
this.standInImageSource = (RenderTargetBitmap)null;
foreach (SceneNode sceneNode in (IEnumerable <SceneNode>) this.TextSource.GetCollectionForProperty(RichTextBoxElement.BlocksProperty))
{
Microsoft.Expression.DesignModel.DocumentModel.DocumentNode documentNode = this.TextSource.ViewModel.DefaultView.ConvertToWpfValueAsDocumentNode((object)this.PreProcessDocumentNodeForEditProxy(sceneNode.DocumentNode));
Block block = (Block)this.TextSource.ViewModel.DefaultView.ConvertToWpfValue((object)documentNode);
this.PostProcessInstanceForEditProxy((DependencyObject)block);
this.UpdateUIChildrenInstances((DocumentCompositeNode)documentNode, (TextElement)block);
this.RichTextBox.Document.Blocks.Add((IViewBlock)this.ProxyPlatform.ViewObjectFactory.Instantiate((object)block));
}
}
if (this.ForceLoadOnInstantiate)
{
this.EditingElement.UpdateLayout();
this.AdjustSpacing();
}
else
{
this.RichTextBox.Loaded += new RoutedEventHandler(this.RichTextBox_Loaded);
}
if (!this.TextSource.ViewModel.ProjectContext.IsCapabilitySet(PlatformCapability.SupportsTabInTextControl))
{
return;
}
TextBoxBase textBoxBase = this.RichTextBox.PlatformSpecificObject as TextBoxBase;
if (textBoxBase == null)
{
return;
}
textBoxBase.AddHandler(CommandManager.PreviewCanExecuteEvent, (Delegate) new CanExecuteRoutedEventHandler(SilverlightRichTextBoxEditProxy.CanExecute));
}