private TextEditProxy FindOrCreateEditProxy(BaseFrameworkElement textElement, bool active)
{
if (this.editProxy != null && this.editProxy.TextSource == textElement)
{
return(this.editProxy);
}
TextEditProxy textEditProxy = Enumerable.FirstOrDefault <TextEditProxy>((IEnumerable <TextEditProxy>) this.nonActiveEditProxies, (Func <TextEditProxy, bool>)(proxy => proxy.TextSource == textElement));
if (textEditProxy == null)
{
textEditProxy = TextEditProxyFactory.CreateEditProxy(textElement);
this.AddEditProxyToScene(textEditProxy, active);
if (active)
{
this.editProxy = textEditProxy;
}
else
{
this.nonActiveEditProxies.Add(textEditProxy);
}
}
else if (active)
{
this.nonActiveEditProxies.Remove(textEditProxy);
this.editProxy = textEditProxy;
textEditProxy.EditingElement.Opacity = 1.0;
if (textEditProxy.TextSource.IsViewObjectValid)
{
this.SetIsTextEditingProperty(textEditProxy.TextSource, true);
}
}
return(textEditProxy);
}
private object OnDragDropDelayed(object arg)
{
this.isDropping = false;
TextEditProxy textEditProxy = (TextEditProxy)arg;
if (textEditProxy != null)
{
using (SceneEditTransaction editTransaction = this.Tool.ActiveSceneViewModel.CreateEditTransaction(StringTable.UndoUnitDragDropText))
{
if (this.editProxy != null)
{
this.ActiveSceneViewModel.ElementSelectionSet.SetSelection((SceneElement)this.editProxy.TextSource);
TextSelectionSet textSelectionSet = this.ActiveSceneViewModel.TextSelectionSet;
textSelectionSet.TextEditProxy = this.editProxy;
textSelectionSet.IsActive = true;
}
textEditProxy.Serialize();
textEditProxy.UpdateDocumentModel();
this.RemoveEditProxyFromScene(textEditProxy);
this.CommitCurrentEdit();
editTransaction.Commit();
if (this.editProxy != null)
{
if (this.editProxy.TextSource.IsViewObjectValid)
{
this.SetIsTextEditingProperty(this.editProxy.TextSource, true);
}
}
}
}
return((object)null);
}
protected override bool OnDragOver(DragEventArgs args)
{
base.OnDragOver(args);
if (!this.IsSuspended)
{
BaseFrameworkElement textElementAtPoint = this.GetEditableTextElementAtPoint(args.GetPosition((IInputElement)this.ActiveView.ViewRootContainer));
if (textElementAtPoint != null)
{
if (textElementAtPoint != this.TextSource)
{
bool flag = false;
foreach (TextEditProxy textEditProxy in this.nonActiveEditProxies)
{
if (textEditProxy.TextSource == textElementAtPoint)
{
flag = true;
break;
}
}
if (!flag)
{
TextEditProxy editProxy = TextEditProxyFactory.CreateEditProxy(textElementAtPoint);
this.AddEditProxyToScene(editProxy, true);
this.nonActiveEditProxies.Add(editProxy);
}
}
}
else
{
this.ClearNonActiveEditProxies();
}
}
return(false);
}
protected override bool OnDrop(DragEventArgs args)
{
BaseFrameworkElement textElementAtPoint = this.GetEditableTextElementAtPoint(args.GetPosition((IInputElement)this.ActiveView.ViewRootContainer));
if (textElementAtPoint != null)
{
if (textElementAtPoint != this.TextSource)
{
this.CommitCurrentEdit();
if (this.editProxy != null)
{
this.UnregisterEditingHandlers(this.editProxy);
}
this.isDropping = true;
Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Send, (Delegate) new DispatcherOperationCallback(this.OnDragDropDelayed), (object)this.editProxy);
}
TextEditProxy editingProxy = (TextEditProxy)null;
foreach (TextEditProxy textEditProxy in this.nonActiveEditProxies)
{
if (textEditProxy.TextSource == textElementAtPoint)
{
editingProxy = textEditProxy;
}
}
if (editingProxy != null)
{
this.nonActiveEditProxies.Remove(editingProxy);
this.RegisterEditingHandlers(editingProxy);
this.editProxy = editingProxy;
}
}
return(false);
}
private void UnregisterEditingHandlers(TextEditProxy editingProxy)
{
editingProxy.EditingElement.PreviewTextInput -= new TextCompositionEventHandler(this.editingTextBox_PreviewTextInput);
editingProxy.EditingElement.TextChanged -= new TextChangedEventHandler(this.editingTextBox_TextChanged);
editingProxy.EditingElement.SelectionChanged -= new RoutedEventHandler(this.editingTextBox_SelectionChanged);
editingProxy.EditingElement.LostFocus -= new RoutedEventHandler(this.editingTextBox_LostFocus);
editingProxy.EditingElement.PreviewLostKeyboardFocus -= new KeyboardFocusChangedEventHandler(this.editingTextBox_PreviewLostKeyboardFocus);
}
private void AddEditProxyToScene(TextEditProxy textEditProxy, bool visible)
{
if (visible && textEditProxy.TextSource.IsViewObjectValid)
{
this.SetIsTextEditingProperty(textEditProxy.TextSource, true);
}
textEditProxy.EditingElement.GotKeyboardFocus += new KeyboardFocusChangedEventHandler(this.editingTextBox_GotKeyboardFocus);
textEditProxy.AddToScene(visible);
}
private void RemoveEditProxyFromScene(TextEditProxy textEditProxy)
{
textEditProxy.RemoveFromScene();
textEditProxy.EditingElement.GotKeyboardFocus -= new KeyboardFocusChangedEventHandler(this.editingTextBox_GotKeyboardFocus);
if (textEditProxy.TextSource.DocumentNode.DocumentRoot == null || !textEditProxy.TextSource.IsViewObjectValid)
{
return;
}
this.SetIsTextEditingProperty(textEditProxy.TextSource, false);
}
private void editingTextBox_GotKeyboardFocus(object sender, KeyboardFocusChangedEventArgs e)
{
TextEditProxy textEditProxy = (TextEditProxy)((IViewTextBoxBase)sender).TextEditProxyObject;
if (textEditProxy == this.editProxy)
{
return;
}
this.EditDifferentElement(textEditProxy.TextSource);
}
private void EndTextEdit()
{
if (this.editProxy == null)
{
return;
}
this.ActiveSceneViewModel.TextSelectionSet.Clear();
this.CommitCurrentEdit();
this.UnregisterEditingHandlers(this.editProxy);
this.RemoveEditProxyFromScene(this.editProxy);
this.editProxy = (TextEditProxy)null;
}
public static TextEditProxy CreateEditProxy(BaseFrameworkElement textElement)
{
TextEditProxy textEditProxy = (TextEditProxy)null;
if (PlatformTypes.RichTextBox.IsAssignableFrom((ITypeId)textElement.Type))
{
textEditProxy = !textElement.ProjectContext.IsCapabilitySet(PlatformCapability.IsWpf) ? (TextEditProxy) new SilverlightRichTextBoxEditProxy(textElement) : (TextEditProxy) new FlowDocumentEditProxy(textElement);
}
else if (PlatformTypes.TextBox.IsAssignableFrom((ITypeId)textElement.Type))
{
textEditProxy = (TextEditProxy) new TextBoxEditProxy(textElement);
}
else if (ProjectNeutralTypes.HeaderedContentControl.IsAssignableFrom((ITypeId)textElement.Type))
{
textEditProxy = (TextEditProxy) new ContentEditProxy(textElement, TextEditProxyFactory.HeaderedContentControlHeaderProperty);
}
else if (PlatformTypes.ContentControl.IsAssignableFrom((ITypeId)textElement.Type))
{
textEditProxy = (TextEditProxy) new ContentEditProxy(textElement, ContentControlElement.ContentProperty);
}
else if (ProjectNeutralTypes.HeaderedItemsControl.IsAssignableFrom((ITypeId)textElement.Type))
{
textEditProxy = (TextEditProxy) new ContentEditProxy(textElement, TextEditProxyFactory.HeaderedItemsControlHeaderProperty);
}
else if (PlatformTypes.PasswordBox.IsAssignableFrom((ITypeId)textElement.Type))
{
textEditProxy = (TextEditProxy) new ContentEditProxy(textElement, TextEditProxyFactory.PasswordBoxPasswordProperty);
}
else if (PlatformTypes.TextBlock.IsAssignableFrom((ITypeId)textElement.Type))
{
textEditProxy = (TextEditProxy) new TextBlockEditProxy(textElement);
}
else if (PlatformTypes.FlowDocumentScrollViewer.IsAssignableFrom((ITypeId)textElement.Type))
{
textEditProxy = (TextEditProxy) new FlowDocumentScrollViewerEditProxy(textElement);
}
else if (PlatformTypes.AccessText.IsAssignableFrom((ITypeId)textElement.Type))
{
textEditProxy = (TextEditProxy) new AccessTextEditProxy(textElement);
}
return(textEditProxy);
}