实例介绍
【实例简介】
【实例截图】
【核心代码】
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 | // Copyright (c) 2009 Daniel Grunwald// // Permission is hereby granted, free of charge, to any person obtaining a copy of this// software and associated documentation files (the "Software"), to deal in the Software// without restriction, including without limitation the rights to use, copy, modify, merge,// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons// to whom the Software is furnished to do so, subject to the following conditions:// // The above copyright notice and this permission notice shall be included in all copies or// substantial portions of the Software.// // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER// DEALINGS IN THE SOFTWARE.using System;using System.Collections.Generic;using System.IO;using System.Windows;using System.Windows.Controls;using System.Windows.Input;using System.Windows.Media;using System.Windows.Threading;using System.Xml;using ICSharpCode.AvalonEdit.CodeCompletion;using ICSharpCode.AvalonEdit.Folding;using ICSharpCode.AvalonEdit.Highlighting;using ICSharpCode.AvalonEdit.Search;using Microsoft.Win32;namespace ICSharpCode.AvalonEdit.Sample{ /// <summary> /// Interaction logic for Window1.xaml /// </summary> public partial class Window1 : Window { public Window1() { // Load our custom highlighting definition IHighlightingDefinition customHighlighting; using (Stream s = typeof(Window1).Assembly.GetManifestResourceStream("AvalonEdit.Sample.CustomHighlighting.xshd")) { if (s == null) throw new InvalidOperationException("Could not find embedded resource"); using (XmlReader reader = new XmlTextReader(s)) { customHighlighting = ICSharpCode.AvalonEdit.Highlighting.Xshd. HighlightingLoader.Load(reader, HighlightingManager.Instance); } } // and register it in the HighlightingManager HighlightingManager.Instance.RegisterHighlighting("Custom Highlighting", new string[] { ".cool" }, customHighlighting); InitializeComponent(); this.SetValue(TextOptions.TextFormattingModeProperty, TextFormattingMode.Display); propertyGridComboBox.SelectedIndex = 2; //textEditor.TextArea.SelectionBorder = null; //textEditor.SyntaxHighlighting = HighlightingManager.Instance.GetDefinition("C#"); //textEditor.SyntaxHighlighting = customHighlighting; // initial highlighting now set by XAML textEditor.TextArea.TextEntering = textEditor_TextArea_TextEntering; textEditor.TextArea.TextEntered = textEditor_TextArea_TextEntered; SearchPanel.Install(textEditor); DispatcherTimer foldingUpdateTimer = new DispatcherTimer(); foldingUpdateTimer.Interval = TimeSpan.FromSeconds(2); foldingUpdateTimer.Tick = delegate { UpdateFoldings(); }; foldingUpdateTimer.Start(); } string currentFileName; void openFileClick(object sender, RoutedEventArgs e) { OpenFileDialog dlg = new OpenFileDialog(); dlg.CheckFileExists = true; if (dlg.ShowDialog() ?? false) { currentFileName = dlg.FileName; textEditor.Load(currentFileName); textEditor.SyntaxHighlighting = HighlightingManager.Instance.GetDefinitionByExtension(Path.GetExtension(currentFileName)); } } void saveFileClick(object sender, EventArgs e) { if (currentFileName == null) { SaveFileDialog dlg = new SaveFileDialog(); dlg.DefaultExt = ".txt"; if (dlg.ShowDialog() ?? false) { currentFileName = dlg.FileName; } else { return; } } textEditor.Save(currentFileName); } void propertyGridComboBoxSelectionChanged(object sender, RoutedEventArgs e) { if (propertyGrid == null) return; switch (propertyGridComboBox.SelectedIndex) { case 0: propertyGrid.SelectedObject = textEditor; break; case 1: propertyGrid.SelectedObject = textEditor.TextArea; break; case 2: propertyGrid.SelectedObject = textEditor.Options; break; } } CompletionWindow completionWindow; void textEditor_TextArea_TextEntered(object sender, TextCompositionEventArgs e) { if (e.Text == ".") { // open code completion after the user has pressed dot: completionWindow = new CompletionWindow(textEditor.TextArea); // provide AvalonEdit with the data: IList<ICompletionData> data = completionWindow.CompletionList.CompletionData; data.Add(new MyCompletionData("Item1")); data.Add(new MyCompletionData("Item2")); data.Add(new MyCompletionData("Item3")); data.Add(new MyCompletionData("Another item")); completionWindow.Show(); completionWindow.Closed = delegate { completionWindow = null; }; } } void textEditor_TextArea_TextEntering(object sender, TextCompositionEventArgs e) { if (e.Text.Length > 0 && completionWindow != null) { if (!char.IsLetterOrDigit(e.Text[0])) { // Whenever a non-letter is typed while the completion window is open, // insert the currently selected element. completionWindow.CompletionList.RequestInsertion(e); } } // do not set e.Handled=true - we still want to insert the character that was typed } #region Folding FoldingManager foldingManager; object foldingStrategy; void HighlightingComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e) { if (textEditor.SyntaxHighlighting == null) { foldingStrategy = null; } else { switch (textEditor.SyntaxHighlighting.Name) { case "XML": foldingStrategy = new XmlFoldingStrategy(); textEditor.TextArea.IndentationStrategy = new ICSharpCode.AvalonEdit.Indentation.DefaultIndentationStrategy(); break; case "C#": case "C ": case "PHP": case "Java": textEditor.TextArea.IndentationStrategy = new ICSharpCode.AvalonEdit.Indentation.CSharp.CSharpIndentationStrategy(textEditor.Options); foldingStrategy = new BraceFoldingStrategy(); break; default: textEditor.TextArea.IndentationStrategy = new ICSharpCode.AvalonEdit.Indentation.DefaultIndentationStrategy(); foldingStrategy = null; break; } } if (foldingStrategy != null) { if (foldingManager == null) foldingManager = FoldingManager.Install(textEditor.TextArea); UpdateFoldings(); } else { if (foldingManager != null) { FoldingManager.Uninstall(foldingManager); foldingManager = null; } } } void UpdateFoldings() { if (foldingStrategy is BraceFoldingStrategy) { ((BraceFoldingStrategy)foldingStrategy).UpdateFoldings(foldingManager, textEditor.Document); } if (foldingStrategy is XmlFoldingStrategy) { ((XmlFoldingStrategy)foldingStrategy).UpdateFoldings(foldingManager, textEditor.Document); } } #endregion }} |
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