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@ -1,94 +1,111 @@
@@ -1,94 +1,111 @@
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// <file>
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// <copyright see="prj:///doc/copyright.txt"/>
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// <license see="prj:///doc/license.txt"/>
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// <owner name="Daniel Grunwald" email="daniel@danielgrunwald.de"/>
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// <version>$Revision$</version>
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// </file>
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using System; |
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using System; |
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using System.Collections.Generic; |
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using System.Diagnostics; |
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using System.Linq; |
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using System.Text; |
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using System.Windows; |
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using System.Windows.Controls; |
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using System.Windows.Data; |
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using System.Windows.Documents; |
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using System.Windows.Input; |
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using System.Windows.Media; |
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using System.Windows.Media.Imaging; |
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using System.Windows.Navigation; |
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using System.Windows.Shapes; |
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using System.Xml; |
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using ICSharpCode.WpfDesign.Designer.Controls; |
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using ICSharpCode.WpfDesign.Designer.Xaml; |
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using ICSharpCode.WpfDesign.Designer.Services; |
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using System.Diagnostics; |
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namespace ICSharpCode.WpfDesign.Designer |
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{ |
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/// <summary>
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/// Surface hosting the WPF designer.
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/// </summary>
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public sealed class DesignSurface : SingleVisualChildElement |
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public partial class DesignSurface |
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{ |
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public static Type[] SupportedToolboxControls = { |
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typeof(Button), |
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typeof(CheckBox), |
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typeof(ComboBox), |
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typeof(Label), |
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typeof(TextBox), |
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typeof(RadioButton), |
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typeof(Canvas), |
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typeof(Grid), |
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typeof(Border), |
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typeof(DockPanel), |
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typeof(Expander), |
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typeof(GroupBox), |
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typeof(Image), |
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typeof(InkCanvas), |
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typeof(ListBox), |
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typeof(ListView), |
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typeof(Menu), |
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typeof(PasswordBox), |
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typeof(ProgressBar), |
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typeof(RichTextBox), |
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typeof(ScrollViewer), |
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typeof(Slider), |
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typeof(StackPanel), |
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typeof(TabControl), |
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typeof(ToolBar), |
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typeof(TreeView), |
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typeof(Viewbox), |
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typeof(Viewport3D), |
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typeof(WrapPanel) |
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}; |
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readonly ScrollViewer _scrollViewer; |
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readonly DesignPanel _designPanel; |
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public DesignSurface() |
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{ |
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InitializeComponent(); |
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this.AddCommandHandler(ApplicationCommands.Undo, Undo, CanUndo); |
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this.AddCommandHandler(ApplicationCommands.Redo, Redo, CanRedo); |
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this.AddCommandHandler(ApplicationCommands.Copy, Copy, HasSelection); |
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this.AddCommandHandler(ApplicationCommands.Cut, Cut, HasSelection); |
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this.AddCommandHandler(ApplicationCommands.Delete, Delete, CanDelete); |
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this.AddCommandHandler(ApplicationCommands.Paste, Paste, CanPaste); |
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this.AddCommandHandler(ApplicationCommands.SelectAll, SelectAll, CanSelectAll); |
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} |
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DesignContext _designContext; |
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/// <summary>
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/// Create a new DesignSurface instance.
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/// Gets the active design context.
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/// </summary>
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public DesignSurface() |
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public DesignContext DesignContext { |
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get { return _designContext; } |
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} |
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/// <summary>
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/// Initializes the designer content from the specified XmlReader.
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/// </summary>
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public void LoadDesigner(XmlReader xamlReader, XamlLoadSettings loadSettings) |
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{ |
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UnloadDesigner(); |
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InitializeDesigner(new XamlDesignContext(xamlReader, loadSettings ?? new XamlLoadSettings())); |
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} |
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/// <summary>
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/// Saves the designer content into the specified XmlWriter.
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/// </summary>
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public void SaveDesigner(XmlWriter writer) |
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{ |
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_designContext.Save(writer); |
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} |
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void InitializeDesigner(DesignContext context) |
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{ |
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_scrollViewer = new ScrollViewer(); |
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_designPanel = new DesignPanel(); |
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_scrollViewer.Content = _designPanel; |
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_scrollViewer.VerticalScrollBarVisibility = ScrollBarVisibility.Visible; |
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_scrollViewer.HorizontalScrollBarVisibility = ScrollBarVisibility.Visible; |
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context.Services.AddService(typeof(IDesignPanel), _designPanel); |
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this.VisualChild = _scrollViewer; |
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this.DataContext = null; |
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_designContext = context; |
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_designPanel.Context = context; |
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_sceneContainer.Child = context.RootItem.View; |
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context.Services.RunWhenAvailable<UndoService>( |
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undoService => undoService.UndoStackChanged += delegate { |
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CommandManager.InvalidateRequerySuggested(); |
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} |
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); |
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context.Services.Selection.SelectionChanged += delegate { |
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CommandManager.InvalidateRequerySuggested(); |
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}; |
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} |
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this.CommandBindings.Add(new CommandBinding(ApplicationCommands.Undo, OnUndoExecuted, OnUndoCanExecute)); |
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this.CommandBindings.Add(new CommandBinding(ApplicationCommands.Redo, OnRedoExecuted, OnRedoCanExecute)); |
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this.CommandBindings.Add(new CommandBinding(ApplicationCommands.Delete, OnDeleteExecuted, OnDeleteCanExecute)); |
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/// <summary>
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/// Unloads the designer content.
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/// </summary>
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public void UnloadDesigner() |
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{ |
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if (_designContext != null) { |
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foreach (object o in _designContext.Services.AllServices) { |
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IDisposable d = o as IDisposable; |
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if (d != null) d.Dispose(); |
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} |
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} |
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_designContext = null; |
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_designPanel.Context = null; |
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_sceneContainer.Child = null; |
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_designPanel.Adorners.Clear(); |
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} |
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T GetService<T>() where T : class |
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#region Commands
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public bool CanUndo() |
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{ |
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if (_designContext != null) |
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return _designContext.Services.GetService<T>(); |
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else |
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return null; |
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UndoService undoService = GetService<UndoService>(); |
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return undoService != null && undoService.CanUndo; |
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} |
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#region Command: Undo/Redo
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void OnUndoExecuted(object sender, ExecutedRoutedEventArgs e) |
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public void Undo() |
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{ |
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UndoService undoService = GetService<UndoService>(); |
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IUndoAction action = undoService.UndoActions.First(); |
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@ -97,13 +114,13 @@ namespace ICSharpCode.WpfDesign.Designer
@@ -97,13 +114,13 @@ namespace ICSharpCode.WpfDesign.Designer
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_designContext.Services.Selection.SetSelectedComponents(GetLiveElements(action.AffectedElements)); |
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} |
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void OnUndoCanExecute(object sender, CanExecuteRoutedEventArgs e) |
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public bool CanRedo() |
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{ |
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UndoService undoService = GetService<UndoService>(); |
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e.CanExecute = undoService != null && undoService.CanUndo; |
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return undoService != null && undoService.CanRedo; |
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} |
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void OnRedoExecuted(object sender, ExecutedRoutedEventArgs e) |
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public void Redo() |
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{ |
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UndoService undoService = GetService<UndoService>(); |
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IUndoAction action = undoService.RedoActions.First(); |
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@ -112,103 +129,105 @@ namespace ICSharpCode.WpfDesign.Designer
@@ -112,103 +129,105 @@ namespace ICSharpCode.WpfDesign.Designer
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_designContext.Services.Selection.SetSelectedComponents(GetLiveElements(action.AffectedElements)); |
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} |
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void OnRedoCanExecute(object sender, CanExecuteRoutedEventArgs e) |
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public bool HasSelection() |
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{ |
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UndoService undoService = GetService<UndoService>(); |
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e.CanExecute = undoService != null && undoService.CanRedo; |
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return false; |
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} |
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// Filters an element list, dropping all elements that are not part of the xaml document
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// (e.g. because they were deleted).
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static List<DesignItem> GetLiveElements(ICollection<DesignItem> items) |
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public void Copy() |
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{ |
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List<DesignItem> result = new List<DesignItem>(items.Count); |
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foreach (DesignItem item in items) { |
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if (ModelTools.IsInDocument(item) && ModelTools.CanSelectComponent(item)) { |
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result.Add(item); |
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} |
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} |
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return result; |
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} |
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#endregion
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#region Command: Delete
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void OnDeleteExecuted(object sender, ExecutedRoutedEventArgs e) |
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public void Cut() |
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{ |
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} |
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public bool CanDelete() |
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{ |
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if (_designContext != null) { |
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ModelTools.DeleteComponents(_designContext.Services.Selection.SelectedItems); |
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return ModelTools.CanDeleteComponents(_designContext.Services.Selection.SelectedItems); |
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} |
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return false; |
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} |
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void OnDeleteCanExecute(object sender, CanExecuteRoutedEventArgs e) |
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public void Delete() |
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{ |
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if (_designContext != null) { |
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e.CanExecute = ModelTools.CanDeleteComponents(_designContext.Services.Selection.SelectedItems); |
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} else { |
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e.CanExecute = false; |
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ModelTools.DeleteComponents(_designContext.Services.Selection.SelectedItems); |
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} |
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} |
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#endregion
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/// <summary>
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/// Gets the active design context.
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/// </summary>
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public DesignContext DesignContext { |
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get { return _designContext; } |
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public bool CanPaste() |
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{ |
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return false; |
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} |
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/// <summary>
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/// Initializes the designer content from the specified XmlReader.
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/// </summary>
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public void LoadDesigner(XmlReader xamlReader, Xaml.XamlLoadSettings loadSettings) |
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public void Paste() |
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{ |
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UnloadDesigner(); |
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InitializeDesigner(new Xaml.XamlDesignContext(xamlReader, loadSettings ?? new Xaml.XamlLoadSettings())); |
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} |
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/// <summary>
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/// Saves the designer content into the specified XmlWriter.
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/// </summary>
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public void SaveDesigner(XmlWriter writer) |
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public bool CanSelectAll() |
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{ |
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_designContext.Save(writer); |
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return DesignContext != null; |
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} |
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void InitializeDesigner(DesignContext context) |
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//TODO: Do not select layout root
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public void SelectAll() |
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{ |
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context.Services.AddService(typeof(IDesignPanel), _designPanel); |
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var items = Descendants(DesignContext.RootItem).Where(item => ModelTools.CanSelectComponent(item)).ToArray(); |
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DesignContext.Services.Selection.SetSelectedComponents(items); |
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} |
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_designContext = context; |
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_designPanel.Context = context; |
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Border designPanelBorder = new Border(); |
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designPanelBorder.Padding = new Thickness(10); |
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_designPanel.Child = designPanelBorder; |
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designPanelBorder.Child = context.RootItem.View; |
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context.Services.RunWhenAvailable<UndoService>( |
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undoService => undoService.UndoStackChanged += delegate { |
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CommandManager.InvalidateRequerySuggested(); |
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//TODO: Share with Outline / PlacementBehavior
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public static IEnumerable<DesignItem> DescendantsAndSelf(DesignItem item) |
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{ |
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yield return item; |
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foreach (var child in Descendants(item)) { |
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yield return child; |
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} |
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} |
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public static IEnumerable<DesignItem> Descendants(DesignItem item) |
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{ |
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if (item.ContentPropertyName != null) { |
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var content = item.ContentProperty; |
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if (content.IsCollection) { |
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foreach (var child in content.CollectionElements) { |
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foreach (var child2 in DescendantsAndSelf(child)) { |
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yield return child2; |
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} |
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} |
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} else { |
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if (content.Value != null) { |
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foreach (var child2 in DescendantsAndSelf(content.Value)) { |
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yield return child2; |
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} |
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} |
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} |
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); |
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context.Services.Selection.SelectionChanged += delegate { |
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CommandManager.InvalidateRequerySuggested(); |
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}; |
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} |
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} |
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/// <summary>
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/// Unloads the designer content.
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/// </summary>
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public void UnloadDesigner() |
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// Filters an element list, dropping all elements that are not part of the xaml document
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// (e.g. because they were deleted).
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static List<DesignItem> GetLiveElements(ICollection<DesignItem> items) |
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{ |
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if (_designContext != null) { |
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foreach (object o in _designContext.Services.AllServices) { |
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IDisposable d = o as IDisposable; |
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if (d != null) d.Dispose(); |
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List<DesignItem> result = new List<DesignItem>(items.Count); |
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foreach (DesignItem item in items) { |
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if (ModelTools.IsInDocument(item) && ModelTools.CanSelectComponent(item)) { |
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result.Add(item); |
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} |
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} |
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_designContext = null; |
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_designPanel.Context = null; |
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_designPanel.Child = null; |
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_designPanel.Adorners.Clear(); |
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return result; |
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} |
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T GetService<T>() where T : class |
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{ |
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if (_designContext != null) |
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return _designContext.Services.GetService<T>(); |
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else |
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return null; |
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} |
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#endregion
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} |
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} |
Ivan Shumilin
18 years ago