C# TextEditor.TextAreaControl类代码示例

        public TextEditorControl()
        {
            SetStyle(ControlStyles.ContainerControl, true);

            textAreaPanel.Dock = DockStyle.Fill;

            Document = (new DocumentFactory()).CreateDocument();
            Document.HighlightingStrategy = HighlightingStrategyFactory.CreateHighlightingStrategy();

            primaryTextArea  = new TextAreaControl(this);
            activeTextAreaControl = primaryTextArea;

            primaryTextArea.TextArea.GotFocus += delegate
            {
                SetActiveTextAreaControl(primaryTextArea);
            };

            primaryTextArea.Dock = DockStyle.Fill;
            textAreaPanel.Controls.Add(primaryTextArea);
            InitializeTextAreaControl(primaryTextArea);
            Controls.Add(textAreaPanel);
            ResizeRedraw = true;
            Document.UpdateCommited += new EventHandler(CommitUpdateRequested);
            OptionsChanged();
        }

		protected void SetActiveTextAreaControl(TextAreaControl value)
		{
			if (activeTextAreaControl != value) {
				activeTextAreaControl = value;
				
				if (ActiveTextAreaControlChanged != null) {
					ActiveTextAreaControlChanged(this, EventArgs.Empty);
				}
			}
		}

		protected override void InitializeTextAreaControl(TextAreaControl newControl) {
			base.InitializeTextAreaControl(newControl);
			newControl.TextArea.KeyEventHandler += new KeyEventHandler(HandleKeyPress);

			newControl.SelectionManager.SelectionChanged += new EventHandler(SelectionChanged);
			newControl.Document.DocumentChanged += new DocumentEventHandler(DocumentChanged);
			newControl.Caret.PositionChanged += new EventHandler(CaretPositionChanged);
			newControl.TextArea.ClipboardHandler.CopyText += new CopyTextEventHandler(ClipboardHandlerCopyText);

			newControl.MouseWheel += new MouseEventHandler(TextAreaMouseWheel);
			newControl.DoHandleMousewheel = false;
		}

		protected override void InitializeTextAreaControl(TextAreaControl newControl)
		{
			base.InitializeTextAreaControl(newControl);
			
			newControl.ShowContextMenu += delegate(object sender, MouseEventArgs e) {
				MenuService.ShowContextMenu(this, contextMenuPath, (Control)sender, e.X, e.Y);
			};
			newControl.TextArea.KeyEventHandler += new ICSharpCode.TextEditor.KeyEventHandler(HandleKeyPress);
			newControl.TextArea.ClipboardHandler.CopyText += new CopyTextEventHandler(ClipboardHandlerCopyText);
			
//			newControl.TextArea.IconBarMargin.Painted   += new MarginPaintEventHandler(PaintIconBarBreakPoints);
//			newControl.TextArea.IconBarMargin.MouseDown += new MarginMouseEventHandler(IconBarMouseDown);
			
			newControl.MouseWheel                       += new MouseEventHandler(TextAreaMouseWheel);
			newControl.DoHandleMousewheel = false;
		}

 protected override void Dispose(bool disposing)
 {
     base.Dispose(disposing);
     if (disposing) {
         if (!disposed) {
             disposed = true;
             if (caret != null) {
                 caret.PositionChanged -= new EventHandler(SearchMatchingBracket);
                 caret.Dispose();
             }
             if (selectionManager != null) {
                 selectionManager.Dispose();
             }
             Document.TextContentChanged -= new EventHandler(TextContentChanged);
             Document.FoldingManager.FoldingsChanged -= new EventHandler(DocumentFoldingsChanged);
             motherTextAreaControl = null;
             motherTextEditorControl = null;
             foreach (AbstractMargin margin in leftMargins) {
                 if (margin is IDisposable)
                     (margin as IDisposable).Dispose();
             }
             textView.Dispose();
         }
     }
 }

		public ProvidedDocumentInformation(IDocument document, string fileName, TextAreaControl textAreaControl)
		{
			this.document   = document;
			this.textBuffer = document.TextBufferStrategy;
			this.fileName   = fileName;
			this.textAreaControl = textAreaControl;
			this.endOffset = this.CurrentOffset;
		}

 protected override void InitializeTextAreaControl(TextAreaControl newControl)
 {
     newControl.TextArea.KeyEventHandler += new ICSharpCode.TextEditor.KeyEventHandler(HandleKeyPress);
     base.InitializeTextAreaControl(newControl);
 }

		public TextArea(TextEditorControl motherTextEditorControl, TextAreaControl motherTextAreaControl)
		{
			this.motherTextAreaControl      = motherTextAreaControl;
			this.motherTextEditorControl    = motherTextEditorControl;
			
			caret            = new Caret(this);
			selectionManager = new SelectionManager(Document);
			
			this.textAreaClipboardHandler = new TextAreaClipboardHandler(this);
			
			ResizeRedraw = true;
			
			SetStyle(ControlStyles.DoubleBuffer, false);
//			SetStyle(ControlStyles.AllPaintingInWmPaint, true);
//			SetStyle(ControlStyles.UserPaint, true);
			SetStyle(ControlStyles.Opaque, false);
			SetStyle(ControlStyles.ResizeRedraw, true);
			SetStyle(ControlStyles.Selectable, true);
			
			textView = new TextView(this);
			
			gutterMargin = new GutterMargin(this);
			foldMargin   = new FoldMargin(this);
			iconBarMargin = new IconBarMargin(this);
			leftMargins.AddRange(new AbstractMargin[] { iconBarMargin, gutterMargin, foldMargin });
			OptionsChanged();
			
			
			new TextAreaMouseHandler(this).Attach();
			new TextAreaDragDropHandler().Attach(this);
			
			bracketshemes.Add(new BracketHighlightingSheme('{', '}'));
			bracketshemes.Add(new BracketHighlightingSheme('(', ')'));
			bracketshemes.Add(new BracketHighlightingSheme('[', ']'));
			
			caret.PositionChanged += new EventHandler(SearchMatchingBracket);
			Document.TextContentChanged += new EventHandler(TextContentChanged);
			Document.FoldingManager.FoldingsChanged += new EventHandler(DocumentFoldingsChanged);
		}

		/// <summary>
		/// Tries to replace the element defined by element name and its Id attribute in the
		/// text editor with the specified xml.
		/// </summary>
		/// <param name="id">The Id attribute of the element.</param>
		/// <param name="elementName">The name of the element.</param>
		/// <param name="textAreaControl">The text area control to update.</param>
		/// <param name="xml">The replacement xml.</param>
		bool ReplaceElement(string id, string elementName, TextAreaControl textAreaControl, string xml)
		{
			WixDocumentEditor documentEditor = new WixDocumentEditor(textAreaControl);
			IDocument document = textAreaControl.Document;
			DomRegion region = WixDocument.GetElementRegion(new StringReader(document.TextContent), elementName, id);
			if (!region.IsEmpty) {
				documentEditor.Replace(region, xml);
				return true;
			}
			return false;
		}

		bool UpdateOpenFileWithRootDirectoryRefChanges(WixDocument wixDocument, TextAreaControl textAreaControl)
		{
			// Get the xml for the root directory ref.
			WixDirectoryRefElement rootDirectoryRef = wixDocument.RootDirectoryRef;
			string xml = GetWixXml(rootDirectoryRef);

			// Find the root directory ref location.
			return ReplaceElement(rootDirectoryRef.Id, WixDirectoryRefElement.DirectoryRefElementName, textAreaControl, xml);
		}

		bool UpdateOpenFileWithRootDirectoryChanges(WixDocument wixDocument, TextAreaControl textAreaControl)
		{
			// Get the xml for the root directory.
			WixDirectoryElement rootDirectory = wixDocument.RootDirectory;
			string xml = GetWixXml(rootDirectory);

			// Find the root directory location.
			bool updated = ReplaceElement(rootDirectory.Id, WixDirectoryElement.DirectoryElementName, textAreaControl, xml);
			if (updated) {
				return true;
			}
			
			// Find the product end element location.
			IDocument document = textAreaControl.Document;
			Location location = WixDocument.GetEndElementLocation(new StringReader(document.TextContent), "Product", wixDocument.Product.GetAttribute("Id"));
			if (!location.IsEmpty) {
				// Insert the xml with an extra new line at the end.
				ITextEditorProperties properties = SharpDevelopTextEditorProperties.Instance;
				WixDocumentEditor documentEditor = new WixDocumentEditor(textAreaControl);
				documentEditor.Insert(location.Y, location.X, String.Concat(xml, properties.LineTerminator));
				return true;
			}
			return false;
		}

		protected override void InitializeTextAreaControl(TextAreaControl newControl)
		{
			newControl.TextArea.DoProcessDialogKey += HandleDialogKey;
		}

 private void HookEvents(TextAreaControl control)
 {
     control.Caret.CaretModeChanged += (s, e) => UpdateCaretMode();
     control.Caret.PositionChanged += (s, e) => UpdateCaretPosition();
     control.TextArea.KeyDown += (s, e) => _connectionPoint.ForAll<INiKeyEventNotify>(p => p.OnKeyDown(e.KeyData));
     control.TextArea.KeyUp += (s, e) => _connectionPoint.ForAll<INiKeyEventNotify>(p => p.OnKeyUp(e.KeyData));
     control.TextArea.KeyPress += (s, e) => _connectionPoint.ForAll<INiKeyEventNotify>(p => p.OnKeyPress(e.KeyChar));
     control.TextArea.MouseDown += (s, e) => _connectionPoint.ForAll<INiMouseEventNotify>(p => p.OnMouseDown(e.Button, e.X, e.Y));
     control.TextArea.MouseUp += (s, e) => _connectionPoint.ForAll<INiMouseEventNotify>(p => p.OnMouseUp(e.Button, e.X, e.Y));
     control.TextArea.MouseClick += (s, e) => _connectionPoint.ForAll<INiMouseEventNotify>(p => p.OnMouseClick(e.Button, e.X, e.Y));
     control.TextArea.MouseDoubleClick += (s, e) => _connectionPoint.ForAll<INiMouseEventNotify>(p => p.OnMouseDoubleClick(e.Button, e.X, e.Y));
     control.TextArea.MouseWheel += (s, e) => _connectionPoint.ForAll<INiMouseEventNotify>(p => p.OnMouseWheel(e.Delta));
 }

		protected virtual void InitializeTextAreaControl(TextAreaControl newControl)
		{
		}

		public void Split()
		{
			if (secondaryTextArea == null) {
				secondaryTextArea = new TextAreaControl(this);
				secondaryTextArea.Dock = DockStyle.Bottom;
				secondaryTextArea.Height = Height / 2;
				
				secondaryTextArea.TextArea.GotFocus += delegate {
					SetActiveTextAreaControl(secondaryTextArea);
				};
				
				textAreaSplitter =  new Splitter();
				textAreaSplitter.BorderStyle = BorderStyle.FixedSingle ;
				textAreaSplitter.Height = 8;
				textAreaSplitter.Dock = DockStyle.Bottom;
				textAreaPanel.Controls.Add(textAreaSplitter);
				textAreaPanel.Controls.Add(secondaryTextArea);
				InitializeTextAreaControl(secondaryTextArea);
				secondaryTextArea.OptionsChanged();
			} else {
				SetActiveTextAreaControl(primaryTextArea);
				
				textAreaPanel.Controls.Remove(secondaryTextArea);
				textAreaPanel.Controls.Remove(textAreaSplitter);
				
				secondaryTextArea.Dispose();
				textAreaSplitter.Dispose();
				secondaryTextArea = null;
				textAreaSplitter  = null;
			}
		}