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annotate org.eclipse.jface.text/src/org/eclipse/jface/text/DefaultTextDoubleClickStrategy.d @ 92:ebefa5c2eab4

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moving ICU bindings to com.ibm.icu
author Frank Benoit <benoit@tionex.de>
date Sun, 19 Apr 2009 13:49:38 +0200
parents dbfb303e8fb0
children
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2008 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13
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14
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15 module org.eclipse.jface.text.DefaultTextDoubleClickStrategy;
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16
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17 import org.eclipse.jface.text.IDocumentPartitioningListener; // packageimport
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18 import org.eclipse.jface.text.DefaultTextHover; // packageimport
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19 import org.eclipse.jface.text.AbstractInformationControl; // packageimport
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20 import org.eclipse.jface.text.TextUtilities; // packageimport
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21 import org.eclipse.jface.text.IInformationControlCreatorExtension; // packageimport
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22 import org.eclipse.jface.text.AbstractInformationControlManager; // packageimport
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23 import org.eclipse.jface.text.ITextViewerExtension2; // packageimport
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24 import org.eclipse.jface.text.IDocumentPartitioner; // packageimport
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25 import org.eclipse.jface.text.DefaultIndentLineAutoEditStrategy; // packageimport
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26 import org.eclipse.jface.text.ITextSelection; // packageimport
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27 import org.eclipse.jface.text.Document; // packageimport
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28 import org.eclipse.jface.text.FindReplaceDocumentAdapterContentProposalProvider; // packageimport
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29 import org.eclipse.jface.text.ITextListener; // packageimport
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30 import org.eclipse.jface.text.BadPartitioningException; // packageimport
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31 import org.eclipse.jface.text.ITextViewerExtension5; // packageimport
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32 import org.eclipse.jface.text.IDocumentPartitionerExtension3; // packageimport
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33 import org.eclipse.jface.text.IUndoManager; // packageimport
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34 import org.eclipse.jface.text.ITextHoverExtension2; // packageimport
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35 import org.eclipse.jface.text.IRepairableDocument; // packageimport
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36 import org.eclipse.jface.text.IRewriteTarget; // packageimport
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37 import org.eclipse.jface.text.DefaultPositionUpdater; // packageimport
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38 import org.eclipse.jface.text.RewriteSessionEditProcessor; // packageimport
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39 import org.eclipse.jface.text.TextViewerHoverManager; // packageimport
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40 import org.eclipse.jface.text.DocumentRewriteSession; // packageimport
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41 import org.eclipse.jface.text.TextViewer; // packageimport
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42 import org.eclipse.jface.text.ITextViewerExtension8; // packageimport
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43 import org.eclipse.jface.text.RegExMessages; // packageimport
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44 import org.eclipse.jface.text.IDelayedInputChangeProvider; // packageimport
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45 import org.eclipse.jface.text.ITextOperationTargetExtension; // packageimport
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46 import org.eclipse.jface.text.IWidgetTokenOwner; // packageimport
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47 import org.eclipse.jface.text.IViewportListener; // packageimport
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48 import org.eclipse.jface.text.GapTextStore; // packageimport
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49 import org.eclipse.jface.text.MarkSelection; // packageimport
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50 import org.eclipse.jface.text.IDocumentPartitioningListenerExtension; // packageimport
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51 import org.eclipse.jface.text.IDocumentAdapterExtension; // packageimport
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52 import org.eclipse.jface.text.IInformationControlExtension; // packageimport
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53 import org.eclipse.jface.text.IDocumentPartitioningListenerExtension2; // packageimport
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54 import org.eclipse.jface.text.DefaultDocumentAdapter; // packageimport
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55 import org.eclipse.jface.text.ITextViewerExtension3; // packageimport
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56 import org.eclipse.jface.text.IInformationControlCreator; // packageimport
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57 import org.eclipse.jface.text.TypedRegion; // packageimport
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58 import org.eclipse.jface.text.ISynchronizable; // packageimport
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59 import org.eclipse.jface.text.IMarkRegionTarget; // packageimport
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60 import org.eclipse.jface.text.TextViewerUndoManager; // packageimport
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61 import org.eclipse.jface.text.IRegion; // packageimport
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62 import org.eclipse.jface.text.IInformationControlExtension2; // packageimport
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63 import org.eclipse.jface.text.IDocumentExtension4; // packageimport
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64 import org.eclipse.jface.text.IDocumentExtension2; // packageimport
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65 import org.eclipse.jface.text.IDocumentPartitionerExtension2; // packageimport
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66 import org.eclipse.jface.text.Assert; // packageimport
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67 import org.eclipse.jface.text.DefaultInformationControl; // packageimport
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68 import org.eclipse.jface.text.IWidgetTokenOwnerExtension; // packageimport
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69 import org.eclipse.jface.text.DocumentClone; // packageimport
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70 import org.eclipse.jface.text.DefaultUndoManager; // packageimport
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71 import org.eclipse.jface.text.IFindReplaceTarget; // packageimport
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72 import org.eclipse.jface.text.IAutoEditStrategy; // packageimport
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73 import org.eclipse.jface.text.ILineTrackerExtension; // packageimport
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74 import org.eclipse.jface.text.IUndoManagerExtension; // packageimport
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75 import org.eclipse.jface.text.TextSelection; // packageimport
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76 import org.eclipse.jface.text.DefaultAutoIndentStrategy; // packageimport
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77 import org.eclipse.jface.text.IAutoIndentStrategy; // packageimport
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78 import org.eclipse.jface.text.IPainter; // packageimport
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79 import org.eclipse.jface.text.IInformationControl; // packageimport
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80 import org.eclipse.jface.text.IInformationControlExtension3; // packageimport
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81 import org.eclipse.jface.text.ITextViewerExtension6; // packageimport
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82 import org.eclipse.jface.text.IInformationControlExtension4; // packageimport
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83 import org.eclipse.jface.text.DefaultLineTracker; // packageimport
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84 import org.eclipse.jface.text.IDocumentInformationMappingExtension; // packageimport
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85 import org.eclipse.jface.text.IRepairableDocumentExtension; // packageimport
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86 import org.eclipse.jface.text.ITextHover; // packageimport
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87 import org.eclipse.jface.text.FindReplaceDocumentAdapter; // packageimport
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88 import org.eclipse.jface.text.ILineTracker; // packageimport
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89 import org.eclipse.jface.text.Line; // packageimport
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90 import org.eclipse.jface.text.ITextViewerExtension; // packageimport
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91 import org.eclipse.jface.text.IDocumentAdapter; // packageimport
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92 import org.eclipse.jface.text.TextEvent; // packageimport
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93 import org.eclipse.jface.text.BadLocationException; // packageimport
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94 import org.eclipse.jface.text.AbstractDocument; // packageimport
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95 import org.eclipse.jface.text.AbstractLineTracker; // packageimport
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96 import org.eclipse.jface.text.TreeLineTracker; // packageimport
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97 import org.eclipse.jface.text.ITextPresentationListener; // packageimport
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98 import org.eclipse.jface.text.Region; // packageimport
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99 import org.eclipse.jface.text.ITextViewer; // packageimport
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100 import org.eclipse.jface.text.IDocumentInformationMapping; // packageimport
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101 import org.eclipse.jface.text.MarginPainter; // packageimport
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102 import org.eclipse.jface.text.IPaintPositionManager; // packageimport
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103 import org.eclipse.jface.text.TextPresentation; // packageimport
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104 import org.eclipse.jface.text.IFindReplaceTargetExtension; // packageimport
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105 import org.eclipse.jface.text.ISlaveDocumentManagerExtension; // packageimport
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106 import org.eclipse.jface.text.ISelectionValidator; // packageimport
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107 import org.eclipse.jface.text.IDocumentExtension; // packageimport
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108 import org.eclipse.jface.text.PropagatingFontFieldEditor; // packageimport
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109 import org.eclipse.jface.text.ConfigurableLineTracker; // packageimport
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110 import org.eclipse.jface.text.SlaveDocumentEvent; // packageimport
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111 import org.eclipse.jface.text.IDocumentListener; // packageimport
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112 import org.eclipse.jface.text.PaintManager; // packageimport
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113 import org.eclipse.jface.text.IFindReplaceTargetExtension3; // packageimport
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114 import org.eclipse.jface.text.ITextDoubleClickStrategy; // packageimport
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115 import org.eclipse.jface.text.IDocumentExtension3; // packageimport
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116 import org.eclipse.jface.text.Position; // packageimport
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117 import org.eclipse.jface.text.TextMessages; // packageimport
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118 import org.eclipse.jface.text.CopyOnWriteTextStore; // packageimport
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119 import org.eclipse.jface.text.WhitespaceCharacterPainter; // packageimport
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120 import org.eclipse.jface.text.IPositionUpdater; // packageimport
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121 import org.eclipse.jface.text.ListLineTracker; // packageimport
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122 import org.eclipse.jface.text.ITextInputListener; // packageimport
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123 import org.eclipse.jface.text.BadPositionCategoryException; // packageimport
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124 import org.eclipse.jface.text.IWidgetTokenKeeperExtension; // packageimport
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125 import org.eclipse.jface.text.IInputChangedListener; // packageimport
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126 import org.eclipse.jface.text.ITextOperationTarget; // packageimport
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127 import org.eclipse.jface.text.IDocumentInformationMappingExtension2; // packageimport
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128 import org.eclipse.jface.text.ITextViewerExtension7; // packageimport
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129 import org.eclipse.jface.text.IInformationControlExtension5; // packageimport
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130 import org.eclipse.jface.text.IDocumentRewriteSessionListener; // packageimport
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131 import org.eclipse.jface.text.JFaceTextUtil; // packageimport
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132 import org.eclipse.jface.text.AbstractReusableInformationControlCreator; // packageimport
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133 import org.eclipse.jface.text.TabsToSpacesConverter; // packageimport
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134 import org.eclipse.jface.text.CursorLinePainter; // packageimport
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135 import org.eclipse.jface.text.ITextHoverExtension; // packageimport
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136 import org.eclipse.jface.text.IEventConsumer; // packageimport
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137 import org.eclipse.jface.text.IDocument; // packageimport
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138 import org.eclipse.jface.text.IWidgetTokenKeeper; // packageimport
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139 import org.eclipse.jface.text.DocumentCommand; // packageimport
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140 import org.eclipse.jface.text.TypedPosition; // packageimport
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141 import org.eclipse.jface.text.IEditingSupportRegistry; // packageimport
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142 import org.eclipse.jface.text.IDocumentPartitionerExtension; // packageimport
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143 import org.eclipse.jface.text.AbstractHoverInformationControlManager; // packageimport
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144 import org.eclipse.jface.text.IEditingSupport; // packageimport
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145 import org.eclipse.jface.text.IMarkSelection; // packageimport
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146 import org.eclipse.jface.text.ISlaveDocumentManager; // packageimport
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147 import org.eclipse.jface.text.DocumentEvent; // packageimport
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148 import org.eclipse.jface.text.DocumentPartitioningChangedEvent; // packageimport
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149 import org.eclipse.jface.text.ITextStore; // packageimport
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150 import org.eclipse.jface.text.JFaceTextMessages; // packageimport
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151 import org.eclipse.jface.text.DocumentRewriteSessionEvent; // packageimport
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152 import org.eclipse.jface.text.SequentialRewriteTextStore; // packageimport
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153 import org.eclipse.jface.text.DocumentRewriteSessionType; // packageimport
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154 import org.eclipse.jface.text.TextAttribute; // packageimport
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155 import org.eclipse.jface.text.ITextViewerExtension4; // packageimport
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156 import org.eclipse.jface.text.ITypedRegion; // packageimport
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157
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158 import java.lang.all;
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159 import java.util.Set;
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160
16
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161 import java.text.CharacterIterator;
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162
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163 import com.ibm.icu.text.BreakIterator;
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164
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165 /**
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166 * Standard implementation of
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167 * {@link org.eclipse.jface.text.ITextDoubleClickStrategy}.
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168 * <p>
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169 * Selects words using <code>java.text.BreakIterator</code> for the default
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170 * locale.</p>
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171 * <p>
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172 * This class is not intended to be subclassed.
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173 * </p>
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174 *
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175 * @see java.text.BreakIterator
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176 * @noextend This class is not intended to be subclassed by clients.
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177 */
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178 public class DefaultTextDoubleClickStrategy : ITextDoubleClickStrategy {
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179
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180 /++
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181 /**
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182 * Implements a character iterator that works directly on
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183 * instances of <code>IDocument</code>. Used to collaborate with
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184 * the break iterator.
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185 *
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186 * @see IDocument
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187 * @since 2.0
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188 */
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189 static class DocumentCharacterIterator : CharacterIterator {
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190
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191 /** Document to iterate over. */
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192 private IDocument fDocument;
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193 /** Start offset of iteration. */
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194 private int fOffset= -1;
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195 /** End offset of iteration. */
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196 private int fEndOffset= -1;
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197 /** Current offset of iteration. */
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198 private int fIndex= -1;
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199
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200 /** Creates a new document iterator. */
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201 public this() {
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202 }
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203
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204 /**
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205 * Configures this document iterator with the document section to be visited.
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206 *
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207 * @param document the document to be iterated
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208 * @param iteratorRange the range in the document to be iterated
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209 */
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210 public void setDocument(IDocument document, IRegion iteratorRange) {
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211 fDocument= document;
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212 fOffset= iteratorRange.getOffset();
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213 fEndOffset= fOffset + iteratorRange.getLength();
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214 }
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215
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216 /*
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217 * @see CharacterIterator#first()
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218 */
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219 public char first() {
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220 fIndex= fOffset;
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221 return current();
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222 }
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223
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224 /*
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225 * @see CharacterIterator#last()
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226 */
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227 public char last() {
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228 fIndex= fOffset < fEndOffset ? fEndOffset -1 : fEndOffset;
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229 return current();
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230 }
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231
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232 /*
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233 * @see CharacterIterator#current()
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234 */
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235 public char current() {
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236 if (fOffset <= fIndex && fIndex < fEndOffset) {
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237 try {
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238 return fDocument.getChar(fIndex);
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239 } catch (BadLocationException x) {
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240 }
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241 }
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242 return DONE;
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243 }
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244
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245 /*
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246 * @see CharacterIterator#next()
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247 */
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248 public char next() {
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249 ++fIndex;
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250 int end= getEndIndex();
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251 if (fIndex >= end) {
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252 fIndex= end;
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253 return DONE;
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254 }
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255 return current();
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256 }
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257
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258 /*
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259 * @see CharacterIterator#previous()
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260 */
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261 public char previous() {
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262 if (fIndex is fOffset)
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263 return DONE;
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264
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265 if (fIndex > fOffset)
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266 -- fIndex;
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267
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268 return current();
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269 }
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270
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271 /*
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272 * @see CharacterIterator#setIndex(int)
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273 */
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274 public char setIndex(int index) {
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275 fIndex= index;
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276 return current();
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277 }
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278
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279 /*
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280 * @see CharacterIterator#getBeginIndex()
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281 */
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282 public int getBeginIndex() {
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283 return fOffset;
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284 }
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285
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286 /*
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287 * @see CharacterIterator#getEndIndex()
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288 */
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289 public int getEndIndex() {
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290 return fEndOffset;
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291 }
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292
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293 /*
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294 * @see CharacterIterator#getIndex()
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295 */
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296 public int getIndex() {
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297 return fIndex;
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298 }
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299
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300 /*
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301 * @see CharacterIterator#clone()
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302 */
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303 public Object clone() {
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304 DocumentCharacterIterator i= new DocumentCharacterIterator();
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305 i.fDocument= fDocument;
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306 i.fIndex= fIndex;
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307 i.fOffset= fOffset;
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308 i.fEndOffset= fEndOffset;
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309 return i;
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310 }
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311 }
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312 ++/
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313
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314 /**
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315 * The document character iterator used by this strategy.
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316 * @since 2.0
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317 */
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318 // private DocumentCharacterIterator fDocIter= new DocumentCharacterIterator();
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319
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320
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321 /**
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322 * Creates a new default text double click strategy.
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323 */
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324 public this() {
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325 // super();
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326 }
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327
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328 /*
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329 * @see org.eclipse.jface.text.ITextDoubleClickStrategy#doubleClicked(org.eclipse.jface.text.ITextViewer)
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330 */
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331 public void doubleClicked(ITextViewer text) {
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332
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333 int position= text.getSelectedRange().x;
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334
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335 if (position < 0)
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336 return;
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337
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338 try {
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339
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340 IDocument document= text.getDocument();
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341 IRegion line= document.getLineInformationOfOffset(position);
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342 if (position is line.getOffset() + line.getLength())
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343 return;
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344
92
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345 fDocIter.setDocument(document, line);
12
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346
92
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347 BreakIterator breakIter= BreakIterator.getWordInstance();
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348 breakIter.setText(fDocIter);
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349
92
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350 int start= breakIter.preceding(position);
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351 if (start is BreakIterator.DONE)
12
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352 start= line.getOffset();
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353
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354 int end= breakIter.following(position);
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355 if (end is BreakIterator.DONE)
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356 end= line.getOffset() + line.getLength();
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357
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358 if (breakIter.isBoundary(position)) {
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359 if (end - position > position- start)
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360 start= position;
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361 else
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362 end= position;
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363 }
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364
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365 if (start !is end)
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366 text.setSelectedRange(start, end - start);
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367
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368 } catch (BadLocationException x) {
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369 }
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370 }
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371 }