[11700] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System;
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| 23 | using System.CodeDom.Compiler;
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| 24 | using System.Collections.Generic;
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| 25 | using System.ComponentModel;
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[11741] | 26 | using System.Linq;
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[11700] | 27 | using System.Reflection;
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| 28 | using System.Threading.Tasks;
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| 29 | using System.Windows.Documents;
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| 30 | using HeuristicLab.Common;
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| 31 | using ICSharpCode.AvalonEdit;
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| 32 | using ICSharpCode.AvalonEdit.AddIn;
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| 33 | using ICSharpCode.AvalonEdit.CodeCompletion;
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| 34 | using ICSharpCode.AvalonEdit.Document;
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[11741] | 35 | using ICSharpCode.AvalonEdit.Editing;
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[11700] | 36 | using ICSharpCode.AvalonEdit.Highlighting;
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| 37 | using ICSharpCode.AvalonEdit.Search;
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| 38 | using ICSharpCode.NRefactory.Editor;
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| 39 | using ICSharpCode.NRefactory.TypeSystem;
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| 40 | using ICSharpCode.SharpDevelop.Editor;
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| 41 | using Forms = System.Windows.Forms;
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| 42 | using Input = System.Windows.Input;
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| 43 | using Media = System.Windows.Media;
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| 44 |
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| 45 | namespace HeuristicLab.CodeEditor {
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| 46 | public partial class CodeEditor : Forms.UserControl {
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| 47 | private static readonly Media.Color WarningColor = Media.Colors.Blue;
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| 48 | private static readonly Media.Color ErrorColor = Media.Colors.Red;
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| 49 | private static readonly Media.Color ReadOnlyColor = Media.Colors.Moccasin;
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| 50 |
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| 51 | private const string DefaultDocumentFileName = "Document";
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| 52 | private const string DefaultTextEditorSyntaxHighlighting = "C#";
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| 53 | private const string DefaultTextEditorFontFamily = "Consolas";
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| 54 | private const double DefaultTextEditorFontSize = 13.0;
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| 55 | private const bool DefaultTextEditorShowLineNumbers = true;
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| 56 | private const bool DefaultTextEditorShowEndOfLine = true;
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| 57 | private const bool DefaultTextEditorShowSpaces = true;
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| 58 | private const bool DefaultTextEditorShowTabs = true;
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| 59 | private const bool DefaultTextEditorConvertTabsToSpaces = true;
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| 60 | private const bool DefaultTextEditorHighlightCurrentLine = true;
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| 61 | private const int DefaultTextEditorIndentationSize = 2;
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| 62 |
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| 63 | private AssemblyLoader assemblyLoader;
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| 64 | private ILanguageFeatures languageFeatures;
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| 65 | private TextMarkerService textMarkerService;
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| 66 |
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| 67 | #region Properties
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| 68 | internal TextEditor TextEditor { get { return avalonEditWrapper.TextEditor; } }
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| 69 | internal Input.RoutedCommand CompletionCommand;
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| 70 | internal CompletionWindow CompletionWindow;
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| 71 | internal OverloadInsightWindow OverloadInsightWindow;
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| 72 |
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| 73 | private TextDocument Doc { get { return TextEditor.Document; } }
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| 74 |
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| 75 | private ITextMarker prefixMarker;
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| 76 | private string prefix = string.Empty;
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| 77 | public string Prefix {
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| 78 | get { return prefix; }
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| 79 | set {
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| 80 | if (value == null) value = string.Empty;
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| 81 | if (prefix == value) return;
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| 82 | if (prefixMarker != null) textMarkerService.Remove(prefixMarker);
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| 83 | Doc.Remove(0, prefix.Length);
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| 84 | prefix = value;
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| 85 | if (value.Length > 0) {
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| 86 | Doc.Insert(0, prefix);
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| 87 | prefixMarker = textMarkerService.Create(0, prefix.Length);
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| 88 | prefixMarker.BackgroundColor = ReadOnlyColor;
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| 89 | }
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| 90 | }
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| 91 | }
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| 92 |
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| 93 | private ITextMarker suffixMarker;
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| 94 | private string suffix = string.Empty;
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| 95 | public string Suffix {
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| 96 | get { return suffix; }
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| 97 | set {
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| 98 | if (value == null) value = string.Empty;
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| 99 | if (suffix == value) return;
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| 100 | if (suffixMarker != null) textMarkerService.Remove(suffixMarker);
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| 101 | Doc.Remove(Doc.TextLength - suffix.Length, suffix.Length);
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| 102 | suffix = value;
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| 103 | if (value.Length > 0) {
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| 104 | int offset = Doc.TextLength;
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| 105 | Doc.Insert(offset, suffix);
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| 106 | suffixMarker = textMarkerService.Create(offset, suffix.Length);
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| 107 | suffixMarker.BackgroundColor = ReadOnlyColor;
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| 108 | }
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| 109 | }
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| 110 | }
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| 111 |
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| 112 | public string UserCode {
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| 113 | get { return Doc.GetText(prefix.Length, Doc.TextLength - suffix.Length - prefix.Length); }
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| 114 | set {
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| 115 | if (Doc.Text == value) return;
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| 116 | Doc.Replace(prefix.Length, Doc.TextLength - suffix.Length - prefix.Length, value);
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| 117 | }
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| 118 | }
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| 119 |
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| 120 | #region TextEditor
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| 121 | [DefaultValue(DefaultTextEditorSyntaxHighlighting)]
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| 122 | public string TextEditorSyntaxHighlighting {
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| 123 | get { return TextEditor.SyntaxHighlighting.Name; }
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| 124 | set {
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| 125 | TextEditor.SyntaxHighlighting = HighlightingManager.Instance.GetDefinition(value);
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| 126 | ApplyLanguageFeatures();
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| 127 | }
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| 128 | }
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| 129 |
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| 130 | [DefaultValue(DefaultTextEditorShowLineNumbers)]
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| 131 | public bool TextEditorShowLineNumbers {
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| 132 | get { return TextEditor.ShowLineNumbers; }
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| 133 | set { TextEditor.ShowLineNumbers = value; }
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| 134 | }
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| 135 |
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| 136 | [DefaultValue(DefaultTextEditorShowEndOfLine)]
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| 137 | public bool TextEditorShowEndOfLine {
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| 138 | get { return TextEditor.Options.ShowEndOfLine; }
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| 139 | set { TextEditor.Options.ShowEndOfLine = value; }
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| 140 | }
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| 141 |
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| 142 | [DefaultValue(DefaultTextEditorShowSpaces)]
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| 143 | public bool TextEditorShowSpaces {
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| 144 | get { return TextEditor.Options.ShowSpaces; }
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| 145 | set { TextEditor.Options.ShowSpaces = value; }
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| 146 | }
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| 147 |
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| 148 | [DefaultValue(DefaultTextEditorShowTabs)]
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| 149 | public bool TextEditorShowTabs {
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| 150 | get { return TextEditor.Options.ShowTabs; }
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| 151 | set { TextEditor.Options.ShowTabs = value; }
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| 152 | }
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| 153 |
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| 154 | [DefaultValue(DefaultTextEditorConvertTabsToSpaces)]
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| 155 | public bool TextEditorConvertTabsToSpaces {
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| 156 | get { return TextEditor.Options.ConvertTabsToSpaces; }
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| 157 | set { TextEditor.Options.ConvertTabsToSpaces = value; }
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| 158 | }
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| 159 |
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| 160 | [DefaultValue(DefaultTextEditorHighlightCurrentLine)]
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| 161 | public bool TextEditorHighlightCurrentLine {
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| 162 | get { return TextEditor.Options.HighlightCurrentLine; }
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| 163 | set { TextEditor.Options.HighlightCurrentLine = value; }
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| 164 | }
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| 165 |
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| 166 | [DefaultValue(DefaultTextEditorIndentationSize)]
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| 167 | public int TextEditorIndentationSize {
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| 168 | get { return TextEditor.Options.IndentationSize; }
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| 169 | set { TextEditor.Options.IndentationSize = value; }
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| 170 | }
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| 171 | #endregion
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| 172 |
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| 173 | public bool ReadOnly {
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| 174 | get { return TextEditor.IsReadOnly; }
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| 175 | set { TextEditor.IsReadOnly = value; }
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| 176 | }
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| 177 | #endregion
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| 178 |
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| 179 | public CodeEditor() {
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| 180 | InitializeComponent();
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| 181 | InitializeTextEditor();
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| 182 | }
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| 183 |
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| 184 | private void InitializeTextEditor() {
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| 185 | #region AssemblyLoader
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| 186 | assemblyLoader = new AssemblyLoader();
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| 187 | assemblyLoader.AssembliesLoading += (sender, args) => OnAssembliesLoading(args.Value);
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| 188 | assemblyLoader.InternalAssembliesLoaded += (sender, args) => OnInternalAssembliesLoaded(args.Value);
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| 189 | assemblyLoader.AssembliesLoaded += (sender, args) => OnAssembliesLoaded(args.Value);
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| 190 | assemblyLoader.AssembliesUnloading += (sender, args) => OnAssembliesUnloading(args.Value);
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| 191 | assemblyLoader.InternalAssembliesUnloaded += (sender, args) => OnInternalAssembliesUnloaded(args.Value);
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| 192 | assemblyLoader.AssembliesUnloaded += (sender, args) => OnAssembliesUnloaded(args.Value);
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| 193 | #endregion
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| 194 |
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| 195 | #region TextMarkerService
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| 196 | textMarkerService = new TextMarkerService(TextEditor.Document);
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| 197 | TextEditor.TextArea.TextView.BackgroundRenderers.Add(textMarkerService);
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| 198 | TextEditor.TextArea.TextView.LineTransformers.Add(textMarkerService);
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| 199 | TextEditor.TextArea.TextView.Services.AddService(typeof(ITextMarkerService), textMarkerService);
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| 200 |
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| 201 | #endregion
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| 202 |
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| 203 | #region ReadOnlySectionProvider
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| 204 | TextEditor.TextArea.ReadOnlySectionProvider = new MethodDefinitionReadOnlySectionProvider(this);
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| 205 | #endregion
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| 206 |
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| 207 | #region SearchPanel
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| 208 | SearchPanel.Install(TextEditor);
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| 209 | #endregion
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| 210 |
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| 211 | #region CompletionCommand
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| 212 | CompletionCommand = new Input.RoutedCommand();
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| 213 | CompletionCommand.InputGestures.Add(new Input.KeyGesture(Input.Key.Space, Input.ModifierKeys.Control));
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| 214 | #endregion
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| 215 |
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[11741] | 216 | #region MoveLinesUpCommand
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| 217 | var moveLinesUpCommand = new Input.RoutedCommand();
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| 218 | moveLinesUpCommand.InputGestures.Add(new Input.KeyGesture(Input.Key.Up, Input.ModifierKeys.Alt));
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| 219 | var moveLinesUpCommandBinding = new Input.CommandBinding(moveLinesUpCommand, (sender, args) => MoveLines(MovementDirection.Up));
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| 220 | TextEditor.CommandBindings.Add(moveLinesUpCommandBinding);
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| 221 | #endregion
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| 222 |
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| 223 | #region MoveLinesDownCommand
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| 224 | var moveLinesDownCommand = new Input.RoutedCommand();
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| 225 | moveLinesDownCommand.InputGestures.Add(new Input.KeyGesture(Input.Key.Down, Input.ModifierKeys.Alt));
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| 226 | var moveLinesDownCommandBinding = new Input.CommandBinding(moveLinesDownCommand, (sender, args) => MoveLines(MovementDirection.Down));
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| 227 | TextEditor.CommandBindings.Add(moveLinesDownCommandBinding);
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| 228 | #endregion
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| 229 |
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[11700] | 230 | TextEditorSyntaxHighlighting = DefaultTextEditorSyntaxHighlighting;
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| 231 | TextEditorShowLineNumbers = DefaultTextEditorShowLineNumbers;
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| 232 | TextEditorShowEndOfLine = DefaultTextEditorShowEndOfLine;
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| 233 | TextEditorShowSpaces = DefaultTextEditorShowSpaces;
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| 234 | TextEditorShowTabs = DefaultTextEditorShowTabs;
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| 235 | TextEditorConvertTabsToSpaces = DefaultTextEditorConvertTabsToSpaces;
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| 236 | TextEditorHighlightCurrentLine = DefaultTextEditorHighlightCurrentLine;
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| 237 | TextEditorIndentationSize = DefaultTextEditorIndentationSize;
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| 238 |
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| 239 | Doc.FileName = DefaultDocumentFileName;
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| 240 |
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| 241 | TextEditor.FontFamily = new Media.FontFamily(DefaultTextEditorFontFamily);
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| 242 | TextEditor.FontSize = DefaultTextEditorFontSize;
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| 243 |
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| 244 | TextEditor.TextChanged += (sender, args) => {
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| 245 | textMarkerService.RemoveAll(x => x != prefixMarker && x != suffixMarker);
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| 246 | OnTextEditorTextChanged();
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| 247 | };
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| 248 | }
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| 249 |
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| 250 | #region Assembly Management
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| 251 | public void AddAssembly(Assembly a) {
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| 252 | assemblyLoader.AddAssembly(a);
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| 253 | }
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| 254 |
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| 255 | public void AddAssemblies(IEnumerable<Assembly> assemblies) {
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| 256 | assemblyLoader.AddAssemblies(assemblies);
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| 257 | }
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| 258 |
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| 259 | public async Task AddAssembliesAsync(IEnumerable<Assembly> assemblies) {
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| 260 | await assemblyLoader.AddAssembliesAsync(assemblies);
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| 261 | }
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| 262 |
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| 263 | public void RemoveAssembly(Assembly a) {
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| 264 | assemblyLoader.RemoveAssembly(a);
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| 265 | }
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| 266 | #endregion
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| 267 |
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| 268 | public void ScrollToPosition(int line, int column) {
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| 269 | var segment = GetSegmentAtLocation(line, column);
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| 270 | TextEditor.CaretOffset = segment.Offset + segment.Length;
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| 271 | TextEditor.ScrollToLine(line);
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| 272 | }
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| 273 |
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| 274 | public void ScrollAfterPrefix() {
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| 275 | var location = Doc.GetLocation(prefix.Length);
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| 276 | ScrollToPosition(location.Line, location.Column);
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| 277 | }
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| 278 |
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[11741] | 279 | private enum MovementDirection { Up, Down }
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| 280 | private void MoveLines(MovementDirection movementDirection) {
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| 281 | var textArea = TextEditor.TextArea;
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| 282 | var selection = textArea.Selection;
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| 283 |
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| 284 | int selectionStart, selectionEnd;
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| 285 | if (!(selection is RectangleSelection) && selection.IsEmpty) {
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| 286 | selectionStart = selectionEnd = TextEditor.SelectionStart;
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| 287 | } else {
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| 288 | selectionStart = Doc.GetOffset(selection.StartPosition.Location);
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| 289 | selectionEnd = Doc.GetOffset(selection.EndPosition.Location);
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| 290 | if (selectionStart > selectionEnd) {
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| 291 | int temp = selectionStart;
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| 292 | selectionStart = selectionEnd;
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| 293 | selectionEnd = temp;
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| 294 | }
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| 295 | }
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| 296 |
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| 297 | int selectionLength = selection.Length;
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| 298 | var selectionSegments = selection.Segments;
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| 299 | int caretOffset = TextEditor.CaretOffset;
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| 300 |
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| 301 | var startLine = Doc.GetLineByOffset(selectionStart);
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| 302 | var endLine = Doc.GetLineByOffset(selectionEnd);
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| 303 |
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| 304 | if (movementDirection == MovementDirection.Up && startLine.LineNumber == 1) return;
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| 305 | if (movementDirection == MovementDirection.Down && endLine.LineNumber == Doc.LineCount) return;
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| 306 |
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| 307 | int startOffset = startLine.Offset;
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| 308 | string primaryText = Doc.GetText(startOffset, endLine.EndOffset - startOffset);
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| 309 | string primaryDelimiter = Doc.GetText(endLine.EndOffset, endLine.DelimiterLength);
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| 310 |
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| 311 | var secondaryLine = movementDirection == MovementDirection.Up ? startLine.PreviousLine : endLine.NextLine;
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| 312 | string secondaryText = Doc.GetText(secondaryLine.Offset, secondaryLine.Length);
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| 313 | string secondaryDelimiter = Doc.GetText(secondaryLine.EndOffset, secondaryLine.DelimiterLength);
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| 314 |
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| 315 | if (movementDirection == MovementDirection.Up) {
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| 316 | string replacementText = primaryText + secondaryDelimiter + secondaryText + primaryDelimiter;
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| 317 | Doc.Replace(secondaryLine.Offset, replacementText.Length, replacementText);
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| 318 | int correctionLength = secondaryText.Length + secondaryDelimiter.Length;
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| 319 | selectionStart -= correctionLength;
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| 320 | caretOffset -= correctionLength;
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| 321 | } else {
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| 322 | string replacementText = secondaryText + primaryDelimiter + primaryText + secondaryDelimiter;
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| 323 | Doc.Replace(startLine.Offset, replacementText.Length, replacementText);
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| 324 | int correctionLength = secondaryText.Length + primaryDelimiter.Length;
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| 325 | selectionStart += correctionLength;
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| 326 | caretOffset += correctionLength;
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| 327 | }
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| 328 |
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| 329 | if (textArea.Selection is RectangleSelection) {
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| 330 | textArea.ClearSelection();
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| 331 | int lowestOffset = selectionSegments.Min(x => x.StartOffset);
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| 332 | int highestOffset = selectionSegments.Max(x => x.EndOffset);
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| 333 | selectionLength = highestOffset - lowestOffset;
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| 334 | var startPosition = new TextViewPosition(Doc.GetLocation(selectionStart));
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| 335 | var endPosition = new TextViewPosition(Doc.GetLocation(selectionStart + selectionLength));
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| 336 | textArea.Selection = new RectangleSelection(textArea, startPosition, endPosition);
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| 337 | } else {
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| 338 | TextEditor.SelectionStart = selectionStart;
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| 339 | TextEditor.SelectionLength = selectionLength;
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| 340 | }
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| 341 |
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| 342 | TextEditor.CaretOffset = caretOffset;
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| 343 | }
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| 344 |
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[11700] | 345 | #region Compiler Errors
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| 346 | public void ShowCompileErrors(CompilerErrorCollection compilerErrors) {
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| 347 | if (compilerErrors == null) return;
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| 348 |
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| 349 | textMarkerService.RemoveAll(x => x != prefixMarker && x != suffixMarker);
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| 350 |
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| 351 | foreach (CompilerError error in compilerErrors) {
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| 352 | var startLocation = Doc.GetLocation(prefix.Length);
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| 353 | if (error.Line == 1) error.Column += startLocation.Column;
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| 354 | error.Line += startLocation.Line;
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| 355 | AddErrorMarker(error);
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| 356 | }
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| 357 | }
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| 358 |
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| 359 | private void AddErrorMarker(CompilerError error) {
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| 360 | var segment = GetSegmentAtLocation(error.Line, error.Column);
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| 361 | var marker = textMarkerService.Create(segment.Offset, segment.Length);
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| 362 | marker.MarkerTypes = TextMarkerTypes.SquigglyUnderline;
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| 363 | marker.MarkerColor = error.IsWarning ? WarningColor : ErrorColor;
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| 364 | }
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| 365 |
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| 366 | private ISegment GetSegmentAtLocation(int line, int column) {
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| 367 | line = Math.Max(Doc.GetLocation(prefix.Length).Line, line - 1);
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| 368 | line = Math.Min(Doc.GetLocation(Doc.TextLength - suffix.Length).Line, line);
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| 369 |
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| 370 | var startOffset = Doc.GetOffset(line, column);
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| 371 | var lineEndOffset = Doc.GetLineByNumber(line).EndOffset;
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| 372 | var endOffset = TextUtilities.GetNextCaretPosition(Doc, startOffset, LogicalDirection.Forward, CaretPositioningMode.WordBorder);
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| 373 | if (endOffset < 0) endOffset = startOffset;
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| 374 | endOffset = Math.Min(lineEndOffset + 1, endOffset);
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| 375 |
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| 376 | var segment = new TextSegment { StartOffset = startOffset, EndOffset = endOffset };
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| 377 |
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| 378 | return segment;
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| 379 | }
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| 380 | #endregion
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| 381 |
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| 382 | private void ApplyLanguageFeatures() {
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| 383 | switch (TextEditorSyntaxHighlighting) {
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| 384 | case "XML":
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| 385 | languageFeatures = new XmlLanguageFeatures(this);
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| 386 | break;
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| 387 | default:
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| 388 | languageFeatures = new CSharpLanguageFeatures(this);
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| 389 | break;
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| 390 | }
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| 391 | }
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| 392 |
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| 393 | #region Events
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| 394 | public event EventHandler TextEditorTextChanged;
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| 395 | private void OnTextEditorTextChanged() {
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| 396 | var handler = TextEditorTextChanged;
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| 397 | if (handler != null) handler(this, EventArgs.Empty);
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| 398 | }
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| 399 |
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| 400 | public event EventHandler<EventArgs<IEnumerable<Assembly>>> AssembliesLoading;
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| 401 | private void OnAssembliesLoading(IEnumerable<Assembly> args) {
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| 402 | var handler = AssembliesLoading;
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| 403 | if (handler != null) handler(this, new EventArgs<IEnumerable<Assembly>>(args));
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| 404 | }
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| 405 |
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| 406 | public event EventHandler<EventArgs<IEnumerable<Assembly>>> AssembliesLoaded;
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| 407 | private void OnAssembliesLoaded(IEnumerable<Assembly> args) {
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| 408 | var handler = AssembliesLoaded;
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| 409 | if (handler != null) handler(this, new EventArgs<IEnumerable<Assembly>>(args));
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| 410 | }
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| 411 |
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| 412 | public event EventHandler<EventArgs<IEnumerable<IUnresolvedAssembly>>> InternalAssembliesLoaded;
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| 413 | private void OnInternalAssembliesLoaded(IEnumerable<IUnresolvedAssembly> args) {
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| 414 | var handler = InternalAssembliesLoaded;
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| 415 | if (handler != null) handler(this, new EventArgs<IEnumerable<IUnresolvedAssembly>>(args));
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| 416 | }
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| 417 |
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| 418 | public event EventHandler<EventArgs<IEnumerable<Assembly>>> AssembliesUnloading;
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| 419 | private void OnAssembliesUnloading(IEnumerable<Assembly> args) {
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| 420 | var handler = AssembliesUnloading;
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| 421 | if (handler != null) handler(this, new EventArgs<IEnumerable<Assembly>>(args));
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| 422 | }
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| 423 |
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| 424 | public event EventHandler<EventArgs<IEnumerable<Assembly>>> AssembliesUnloaded;
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| 425 | private void OnAssembliesUnloaded(IEnumerable<Assembly> args) {
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| 426 | var handler = AssembliesUnloaded;
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| 427 | if (handler != null) handler(this, new EventArgs<IEnumerable<Assembly>>(args));
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| 428 | }
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| 429 |
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| 430 | public event EventHandler<EventArgs<IEnumerable<IUnresolvedAssembly>>> InternalAssembliesUnloaded;
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| 431 | private void OnInternalAssembliesUnloaded(IEnumerable<IUnresolvedAssembly> args) {
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| 432 | var handler = InternalAssembliesUnloaded;
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| 433 | if (handler != null) handler(this, new EventArgs<IEnumerable<IUnresolvedAssembly>>(args));
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| 434 | }
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| 435 | #endregion
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| 436 | }
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| 437 | }
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