Browse Source
git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@2760 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61shortcuts
Matt Ward
18 years ago
8 changed files with 129 additions and 323 deletions
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@@ -1,305 +0,0 @@
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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="Mike Krüger" email="mike@icsharpcode.net"/>
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// <version>$Revision$</version>
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// </file>
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using System; |
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using System.Drawing; |
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using System.Windows.Forms; |
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using ICSharpCode.TextEditor; |
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using ICSharpCode.TextEditor.Gui.CompletionWindow; |
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namespace ICSharpCode.XmlEditor |
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{ |
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public class CodeCompletionWindow : AbstractCompletionWindow |
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{ |
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static ICompletionData[] completionData; |
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CodeCompletionListView codeCompletionListView; |
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VScrollBar vScrollBar = new VScrollBar(); |
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int startOffset; |
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int endOffset; |
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DeclarationViewWindow declarationViewWindow = null; |
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Rectangle workingScreen; |
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const int ScrollbarWidth = 16; |
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bool showDeclarationWindow = true; |
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public static CodeCompletionWindow ShowCompletionWindow(Form parent, TextEditorControl control, string fileName, ICompletionDataProvider completionDataProvider, char firstChar) |
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{ |
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return ShowCompletionWindow(parent, control, fileName, completionDataProvider, firstChar, true); |
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} |
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public static CodeCompletionWindow ShowCompletionWindow(Form parent, TextEditorControl control, string fileName, ICompletionDataProvider completionDataProvider, char firstChar, bool showDeclarationWindow) |
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{ |
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completionData = completionDataProvider.GenerateCompletionData(fileName, control.ActiveTextAreaControl.TextArea, firstChar); |
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if (completionData == null || completionData.Length == 0) { |
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return null; |
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} |
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CodeCompletionWindow codeCompletionWindow = new CodeCompletionWindow(completionDataProvider, parent, control, fileName, showDeclarationWindow); |
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codeCompletionWindow.ShowCompletionWindow(); |
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return codeCompletionWindow; |
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} |
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CodeCompletionWindow(ICompletionDataProvider completionDataProvider, Form parentForm, TextEditorControl control, string fileName, bool showDeclarationWindow) : base(parentForm, control) |
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{ |
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this.showDeclarationWindow = showDeclarationWindow; |
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workingScreen = Screen.GetWorkingArea(Location); |
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startOffset = control.ActiveTextAreaControl.Caret.Offset + 1; |
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endOffset = startOffset; |
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if (completionDataProvider.PreSelection != null) { |
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startOffset -= completionDataProvider.PreSelection.Length + 1; |
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endOffset--; |
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} |
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codeCompletionListView = new CodeCompletionListView(completionData); |
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codeCompletionListView.ImageList = completionDataProvider.ImageList; |
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codeCompletionListView.Dock = DockStyle.Fill; |
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codeCompletionListView.SelectedItemChanged += new EventHandler(CodeCompletionListViewSelectedItemChanged); |
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codeCompletionListView.DoubleClick += new EventHandler(CodeCompletionListViewDoubleClick); |
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codeCompletionListView.Click += new EventHandler(CodeCompletionListViewClick); |
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Controls.Add(codeCompletionListView); |
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if (completionData.Length > 10) { |
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vScrollBar.Dock = DockStyle.Right; |
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vScrollBar.Minimum = 0; |
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vScrollBar.Maximum = completionData.Length - 8; |
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vScrollBar.SmallChange = 1; |
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vScrollBar.LargeChange = 3; |
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codeCompletionListView.FirstItemChanged += new EventHandler(CodeCompletionListViewFirstItemChanged); |
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Controls.Add(vScrollBar); |
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} |
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this.drawingSize = GetListViewSize(); |
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SetLocation(); |
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declarationViewWindow = new DeclarationViewWindow(parentForm); |
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SetDeclarationViewLocation(); |
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declarationViewWindow.MouseMove += ControlMouseMove; |
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declarationViewWindow.ShowDeclarationViewWindow(); |
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control.Focus(); |
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CodeCompletionListViewSelectedItemChanged(this, EventArgs.Empty); |
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int defaultIndex = completionDataProvider.DefaultIndex; |
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if (defaultIndex >= 0) { |
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codeCompletionListView.SelectIndex(defaultIndex); |
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codeCompletionListView.CenterViewOn(defaultIndex); |
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} |
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if (completionDataProvider.PreSelection != null) { |
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CaretOffsetChanged(this, EventArgs.Empty); |
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} |
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vScrollBar.Scroll += new ScrollEventHandler(DoScroll); |
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} |
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public void HandleMouseWheel(MouseEventArgs e) |
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{ |
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int MAX_DELTA = 120; // basically it's constant now, but could be changed later by MS
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int multiplier = Math.Abs(e.Delta) / MAX_DELTA; |
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int newValue; |
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if (System.Windows.Forms.SystemInformation.MouseWheelScrollLines > 0) { |
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newValue = this.vScrollBar.Value - (control.TextEditorProperties.MouseWheelScrollDown ? 1 : -1) * Math.Sign(e.Delta) * System.Windows.Forms.SystemInformation.MouseWheelScrollLines * vScrollBar.SmallChange * multiplier; |
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} else { |
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newValue = this.vScrollBar.Value - (control.TextEditorProperties.MouseWheelScrollDown ? 1 : -1) * Math.Sign(e.Delta) * vScrollBar.LargeChange; |
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} |
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vScrollBar.Value = Math.Max(vScrollBar.Minimum, Math.Min(vScrollBar.Maximum, newValue)); |
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DoScroll(this, null); |
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} |
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void CodeCompletionListViewFirstItemChanged(object sender, EventArgs e) |
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{ |
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vScrollBar.Value = Math.Min(vScrollBar.Maximum, codeCompletionListView.FirstItem); |
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} |
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void SetDeclarationViewLocation() |
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{ |
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// This method uses the side with more free space
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int leftSpace = Bounds.Left - workingScreen.Left; |
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int rightSpace = workingScreen.Right - Bounds.Right; |
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Point pos; |
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// The declaration view window has better line break when used on
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// the right side, so prefer the right side to the left.
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if (rightSpace * 2 > leftSpace) |
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pos = new Point(Bounds.Right, Bounds.Top); |
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else |
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pos = new Point(Bounds.Left - declarationViewWindow.Width, Bounds.Top); |
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if (declarationViewWindow.Location != pos) { |
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declarationViewWindow.Location = pos; |
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} |
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} |
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protected override void SetLocation() |
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{ |
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base.SetLocation(); |
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if (declarationViewWindow != null) { |
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SetDeclarationViewLocation(); |
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} |
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} |
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void CodeCompletionListViewSelectedItemChanged(object sender, EventArgs e) |
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{ |
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ICompletionData data = codeCompletionListView.SelectedCompletionData; |
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if (data != null && data.Description != null && showDeclarationWindow) { |
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declarationViewWindow.Description = data.Description; |
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SetDeclarationViewLocation(); |
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} else { |
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declarationViewWindow.Size = new Size(0, 0); |
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} |
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} |
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public override bool ProcessKeyEvent(char ch) |
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{ |
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if (XmlParser.IsXmlNameChar(ch) || XmlParser.IsAttributeValueChar(ch)){ |
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++endOffset; |
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return base.ProcessKeyEvent(ch); |
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} |
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return false; |
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} |
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protected override void CaretOffsetChanged(object sender, EventArgs e) |
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{ |
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int offset = control.ActiveTextAreaControl.Caret.Offset; |
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if (offset < startOffset || offset > endOffset) { |
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Close(); |
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} else { |
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codeCompletionListView.SelectItemWithStart(control.Document.GetText(startOffset, offset - startOffset)); |
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} |
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} |
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protected void DoScroll(object sender, ScrollEventArgs sea) |
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{ |
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codeCompletionListView.FirstItem = vScrollBar.Value; |
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codeCompletionListView.Refresh(); |
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control.ActiveTextAreaControl.TextArea.Focus(); |
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} |
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protected override bool ProcessTextAreaKey(Keys keyData) |
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{ |
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if (!Visible) { |
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return false; |
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} |
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switch (keyData) { |
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case Keys.Back: |
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--endOffset; |
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if (endOffset < startOffset) { |
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Close(); |
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} |
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return false; |
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case Keys.Delete: |
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if (control.ActiveTextAreaControl.Caret.Offset <= endOffset) { |
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--endOffset; |
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} |
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if (endOffset < startOffset) { |
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Close(); |
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} |
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return false; |
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case Keys.Home: |
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codeCompletionListView.SelectIndex(0); |
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return true; |
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case Keys.End: |
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codeCompletionListView.SelectIndex(completionData.Length-1); |
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return true; |
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case Keys.PageDown: |
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codeCompletionListView.PageDown(); |
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return true; |
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case Keys.PageUp: |
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codeCompletionListView.PageUp(); |
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return true; |
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case Keys.Down: |
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codeCompletionListView.SelectNextItem(); |
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return true; |
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case Keys.Up: |
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codeCompletionListView.SelectPrevItem(); |
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return true; |
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case Keys.Tab: |
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case Keys.Return: |
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InsertSelectedItem(); |
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return true; |
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} |
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return base.ProcessTextAreaKey(keyData); |
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} |
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void CodeCompletionListViewDoubleClick(object sender, EventArgs e) |
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{ |
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InsertSelectedItem(); |
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} |
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void CodeCompletionListViewClick(object sender, EventArgs e) |
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{ |
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control.ActiveTextAreaControl.TextArea.Focus(); |
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} |
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protected override void OnClosed(EventArgs e) |
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{ |
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base.OnClosed(e); |
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Dispose(); |
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codeCompletionListView.Dispose(); |
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codeCompletionListView = null; |
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declarationViewWindow.Dispose(); |
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declarationViewWindow = null; |
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} |
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void InsertSelectedItem() |
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{ |
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ICompletionData data = codeCompletionListView.SelectedCompletionData; |
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if (data != null) { |
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control.BeginUpdate(); |
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if (endOffset - startOffset > 0) { |
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control.Document.Remove(startOffset, endOffset - startOffset); |
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control.ActiveTextAreaControl.Caret.Position = control.Document.OffsetToPosition(startOffset); |
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} |
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data.InsertAction(control.ActiveTextAreaControl.TextArea, '\0'); |
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control.EndUpdate(); |
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} |
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Close(); |
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} |
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Size GetListViewSize() |
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{ |
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int height = codeCompletionListView.ItemHeight * Math.Min(10, completionData.Length); |
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int width = GetListViewWidth(codeCompletionListView.ItemHeight * 10, height); |
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return new Size(width, height); |
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} |
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/// <summary>
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/// Gets the list view width large enough to handle the longest completion data
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/// text string.
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/// </summary>
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/// <param name="defaultWidth">The default width of the list view.</param>
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/// <param name="height">The height of the list view. This is
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/// used to determine if the scrollbar is visible.</param>
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/// <returns>The list view width to accommodate the longest completion
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/// data text string; otherwise the default width.</returns>
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int GetListViewWidth(int defaultWidth, int height) |
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{ |
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Graphics graphics = codeCompletionListView.CreateGraphics(); |
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float width = defaultWidth; |
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for(int i = 0; i < completionData.Length; ++i) |
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{ |
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float itemWidth = graphics.MeasureString(completionData[i].Text.ToString(), codeCompletionListView.Font).Width; |
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if(itemWidth > width) { |
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width = itemWidth; |
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} |
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} |
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graphics.Dispose(); |
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float totalItemsHeight = codeCompletionListView.ItemHeight * completionData.Length; |
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if (totalItemsHeight > height) { |
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width += ScrollbarWidth; // Compensate for scroll bar.
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} |
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return (int)width; |
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} |
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} |
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} |
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@ -0,0 +1,53 @@
@@ -0,0 +1,53 @@
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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="Matthew Ward" email="mrward@users.sourceforge.net"/>
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// <version>$Revision$</version>
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// </file>
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using System; |
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using System.Windows.Forms; |
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using ICSharpCode.TextEditor.Gui.CompletionWindow; |
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using ICSharpCode.XmlEditor; |
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using NUnit.Framework; |
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namespace XmlEditor.Tests.Completion |
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{ |
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/// <summary>
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/// Tests the XmlCompletionDataProvider's ProcessKey method.
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/// </summary>
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[TestFixture] |
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public class ProcessKeyTests |
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{ |
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XmlCompletionDataProvider provider; |
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[SetUp] |
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public void Init() |
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{ |
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XmlSchemaCompletionDataCollection schemas = new XmlSchemaCompletionDataCollection(); |
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provider = new XmlCompletionDataProvider(schemas, null, null); |
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} |
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/// <summary>
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/// A space character should be treated as a normal character.
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/// </summary>
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[Test] |
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public void SpaceChar() |
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{ |
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Assert.AreEqual(CompletionDataProviderKeyResult.NormalKey, provider.ProcessKey(' ')); |
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} |
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[Test] |
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public void TabChar() |
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{ |
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Assert.AreEqual(CompletionDataProviderKeyResult.InsertionKey, provider.ProcessKey('\t')); |
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} |
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[Test] |
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public void ReturnChar() |
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{ |
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Assert.AreEqual(CompletionDataProviderKeyResult.InsertionKey, provider.ProcessKey((char)Keys.Return)); |
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} |
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} |
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} |
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