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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2005 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 module dwtx.jface.text.TextEvent;
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14
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131
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15 import dwtx.jface.text.IDocumentPartitioningListener; // packageimport
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16 import dwtx.jface.text.DefaultTextHover; // packageimport
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17 import dwtx.jface.text.AbstractInformationControl; // packageimport
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18 import dwtx.jface.text.TextUtilities; // packageimport
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19 import dwtx.jface.text.IInformationControlCreatorExtension; // packageimport
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20 import dwtx.jface.text.AbstractInformationControlManager; // packageimport
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21 import dwtx.jface.text.ITextViewerExtension2; // packageimport
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22 import dwtx.jface.text.IDocumentPartitioner; // packageimport
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23 import dwtx.jface.text.DefaultIndentLineAutoEditStrategy; // packageimport
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24 import dwtx.jface.text.ITextSelection; // packageimport
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25 import dwtx.jface.text.Document; // packageimport
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26 import dwtx.jface.text.FindReplaceDocumentAdapterContentProposalProvider; // packageimport
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27 import dwtx.jface.text.ITextListener; // packageimport
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28 import dwtx.jface.text.BadPartitioningException; // packageimport
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29 import dwtx.jface.text.ITextViewerExtension5; // packageimport
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30 import dwtx.jface.text.IDocumentPartitionerExtension3; // packageimport
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31 import dwtx.jface.text.IUndoManager; // packageimport
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32 import dwtx.jface.text.ITextHoverExtension2; // packageimport
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33 import dwtx.jface.text.IRepairableDocument; // packageimport
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34 import dwtx.jface.text.IRewriteTarget; // packageimport
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35 import dwtx.jface.text.DefaultPositionUpdater; // packageimport
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36 import dwtx.jface.text.RewriteSessionEditProcessor; // packageimport
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37 import dwtx.jface.text.TextViewerHoverManager; // packageimport
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38 import dwtx.jface.text.DocumentRewriteSession; // packageimport
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39 import dwtx.jface.text.TextViewer; // packageimport
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40 import dwtx.jface.text.ITextViewerExtension8; // packageimport
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41 import dwtx.jface.text.RegExMessages; // packageimport
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42 import dwtx.jface.text.IDelayedInputChangeProvider; // packageimport
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43 import dwtx.jface.text.ITextOperationTargetExtension; // packageimport
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44 import dwtx.jface.text.IWidgetTokenOwner; // packageimport
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45 import dwtx.jface.text.IViewportListener; // packageimport
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46 import dwtx.jface.text.GapTextStore; // packageimport
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47 import dwtx.jface.text.MarkSelection; // packageimport
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48 import dwtx.jface.text.IDocumentPartitioningListenerExtension; // packageimport
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49 import dwtx.jface.text.IDocumentAdapterExtension; // packageimport
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50 import dwtx.jface.text.IInformationControlExtension; // packageimport
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51 import dwtx.jface.text.IDocumentPartitioningListenerExtension2; // packageimport
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52 import dwtx.jface.text.DefaultDocumentAdapter; // packageimport
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53 import dwtx.jface.text.ITextViewerExtension3; // packageimport
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54 import dwtx.jface.text.IInformationControlCreator; // packageimport
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55 import dwtx.jface.text.TypedRegion; // packageimport
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56 import dwtx.jface.text.ISynchronizable; // packageimport
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57 import dwtx.jface.text.IMarkRegionTarget; // packageimport
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58 import dwtx.jface.text.TextViewerUndoManager; // packageimport
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59 import dwtx.jface.text.IRegion; // packageimport
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60 import dwtx.jface.text.IInformationControlExtension2; // packageimport
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61 import dwtx.jface.text.IDocumentExtension4; // packageimport
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62 import dwtx.jface.text.IDocumentExtension2; // packageimport
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63 import dwtx.jface.text.IDocumentPartitionerExtension2; // packageimport
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64 import dwtx.jface.text.Assert; // packageimport
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65 import dwtx.jface.text.DefaultInformationControl; // packageimport
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66 import dwtx.jface.text.IWidgetTokenOwnerExtension; // packageimport
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67 import dwtx.jface.text.DocumentClone; // packageimport
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68 import dwtx.jface.text.DefaultUndoManager; // packageimport
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69 import dwtx.jface.text.IFindReplaceTarget; // packageimport
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70 import dwtx.jface.text.IAutoEditStrategy; // packageimport
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71 import dwtx.jface.text.ILineTrackerExtension; // packageimport
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72 import dwtx.jface.text.IUndoManagerExtension; // packageimport
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73 import dwtx.jface.text.TextSelection; // packageimport
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74 import dwtx.jface.text.DefaultAutoIndentStrategy; // packageimport
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75 import dwtx.jface.text.IAutoIndentStrategy; // packageimport
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76 import dwtx.jface.text.IPainter; // packageimport
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77 import dwtx.jface.text.IInformationControl; // packageimport
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78 import dwtx.jface.text.IInformationControlExtension3; // packageimport
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79 import dwtx.jface.text.ITextViewerExtension6; // packageimport
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80 import dwtx.jface.text.IInformationControlExtension4; // packageimport
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81 import dwtx.jface.text.DefaultLineTracker; // packageimport
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82 import dwtx.jface.text.IDocumentInformationMappingExtension; // packageimport
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83 import dwtx.jface.text.IRepairableDocumentExtension; // packageimport
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84 import dwtx.jface.text.ITextHover; // packageimport
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85 import dwtx.jface.text.FindReplaceDocumentAdapter; // packageimport
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86 import dwtx.jface.text.ILineTracker; // packageimport
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87 import dwtx.jface.text.Line; // packageimport
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88 import dwtx.jface.text.ITextViewerExtension; // packageimport
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89 import dwtx.jface.text.IDocumentAdapter; // packageimport
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90 import dwtx.jface.text.BadLocationException; // packageimport
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91 import dwtx.jface.text.AbstractDocument; // packageimport
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92 import dwtx.jface.text.AbstractLineTracker; // packageimport
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93 import dwtx.jface.text.TreeLineTracker; // packageimport
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94 import dwtx.jface.text.ITextPresentationListener; // packageimport
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95 import dwtx.jface.text.Region; // packageimport
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96 import dwtx.jface.text.ITextViewer; // packageimport
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97 import dwtx.jface.text.IDocumentInformationMapping; // packageimport
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98 import dwtx.jface.text.MarginPainter; // packageimport
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99 import dwtx.jface.text.IPaintPositionManager; // packageimport
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100 import dwtx.jface.text.TextPresentation; // packageimport
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101 import dwtx.jface.text.IFindReplaceTargetExtension; // packageimport
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102 import dwtx.jface.text.ISlaveDocumentManagerExtension; // packageimport
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103 import dwtx.jface.text.ISelectionValidator; // packageimport
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104 import dwtx.jface.text.IDocumentExtension; // packageimport
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105 import dwtx.jface.text.PropagatingFontFieldEditor; // packageimport
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106 import dwtx.jface.text.ConfigurableLineTracker; // packageimport
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107 import dwtx.jface.text.SlaveDocumentEvent; // packageimport
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108 import dwtx.jface.text.IDocumentListener; // packageimport
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109 import dwtx.jface.text.PaintManager; // packageimport
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110 import dwtx.jface.text.IFindReplaceTargetExtension3; // packageimport
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111 import dwtx.jface.text.ITextDoubleClickStrategy; // packageimport
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112 import dwtx.jface.text.IDocumentExtension3; // packageimport
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113 import dwtx.jface.text.Position; // packageimport
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114 import dwtx.jface.text.TextMessages; // packageimport
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115 import dwtx.jface.text.CopyOnWriteTextStore; // packageimport
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116 import dwtx.jface.text.WhitespaceCharacterPainter; // packageimport
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117 import dwtx.jface.text.IPositionUpdater; // packageimport
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118 import dwtx.jface.text.DefaultTextDoubleClickStrategy; // packageimport
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119 import dwtx.jface.text.ListLineTracker; // packageimport
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120 import dwtx.jface.text.ITextInputListener; // packageimport
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121 import dwtx.jface.text.BadPositionCategoryException; // packageimport
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122 import dwtx.jface.text.IWidgetTokenKeeperExtension; // packageimport
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123 import dwtx.jface.text.IInputChangedListener; // packageimport
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124 import dwtx.jface.text.ITextOperationTarget; // packageimport
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125 import dwtx.jface.text.IDocumentInformationMappingExtension2; // packageimport
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126 import dwtx.jface.text.ITextViewerExtension7; // packageimport
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127 import dwtx.jface.text.IInformationControlExtension5; // packageimport
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128 import dwtx.jface.text.IDocumentRewriteSessionListener; // packageimport
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129 import dwtx.jface.text.JFaceTextUtil; // packageimport
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130 import dwtx.jface.text.AbstractReusableInformationControlCreator; // packageimport
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131 import dwtx.jface.text.TabsToSpacesConverter; // packageimport
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132 import dwtx.jface.text.CursorLinePainter; // packageimport
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133 import dwtx.jface.text.ITextHoverExtension; // packageimport
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134 import dwtx.jface.text.IEventConsumer; // packageimport
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135 import dwtx.jface.text.IDocument; // packageimport
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136 import dwtx.jface.text.IWidgetTokenKeeper; // packageimport
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137 import dwtx.jface.text.DocumentCommand; // packageimport
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138 import dwtx.jface.text.TypedPosition; // packageimport
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139 import dwtx.jface.text.IEditingSupportRegistry; // packageimport
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140 import dwtx.jface.text.IDocumentPartitionerExtension; // packageimport
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141 import dwtx.jface.text.AbstractHoverInformationControlManager; // packageimport
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142 import dwtx.jface.text.IEditingSupport; // packageimport
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143 import dwtx.jface.text.IMarkSelection; // packageimport
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144 import dwtx.jface.text.ISlaveDocumentManager; // packageimport
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145 import dwtx.jface.text.DocumentEvent; // packageimport
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146 import dwtx.jface.text.DocumentPartitioningChangedEvent; // packageimport
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147 import dwtx.jface.text.ITextStore; // packageimport
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148 import dwtx.jface.text.JFaceTextMessages; // packageimport
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149 import dwtx.jface.text.DocumentRewriteSessionEvent; // packageimport
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150 import dwtx.jface.text.SequentialRewriteTextStore; // packageimport
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151 import dwtx.jface.text.DocumentRewriteSessionType; // packageimport
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152 import dwtx.jface.text.TextAttribute; // packageimport
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153 import dwtx.jface.text.ITextViewerExtension4; // packageimport
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154 import dwtx.jface.text.ITypedRegion; // packageimport
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155
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156
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129
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157 import dwt.dwthelper.utils;
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158
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159
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160 /**
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161 * This event is sent to implementers of
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162 * {@link dwtx.jface.text.ITextListener}. It represents a change applied
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163 * to text viewer. The change is specified as a replace command using offset,
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164 * length, inserted text, and replaced text. The text viewer issues a text event
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165 * after the viewer has been changed either in response to a change of the
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166 * viewer's document or when the viewer's visual content has been changed. In
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167 * the first case, the text event also carries the original document event.
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168 * Depending on the viewer's presentation mode, the text event coordinates are
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169 * different from the document event's coordinates.
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170 * <p>
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171 * An empty text event usually indicates a change of the viewer's redraw state.</p>
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172 * <p>
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173 * Clients other than text viewer's don't create instances of this class.</p>
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174 *
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175 * @see dwtx.jface.text.ITextListener
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176 * @see dwtx.jface.text.ITextViewer
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177 * @see dwtx.jface.text.DocumentEvent
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178 */
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179 public class TextEvent {
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180
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181 /** Start offset of the change */
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182 private int fOffset;
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183 /** The length of the change */
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184 private int fLength;
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185 /** Inserted text */
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186 private String fText;
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187 /** Replaced text */
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188 private String fReplacedText;
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189 /** The original document event, may by null */
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190 private DocumentEvent fDocumentEvent;
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191 /**
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192 * The redraw state of the viewer issuing this event
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193 * @since 2.0
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194 */
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195 private bool fViewerRedrawState;
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196
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197 /**
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198 * Creates a new <code>TextEvent</code> based on the specification.
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199 *
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200 * @param offset the offset
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201 * @param length the length
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202 * @param text the inserted text
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203 * @param replacedText the replaced text
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204 * @param event the associated document event or <code>null</code> if none
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205 * @param viewerRedrawState the redraw state of the viewer
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206 */
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207 /+protected+/ this(int offset, int length, String text, String replacedText, DocumentEvent event, bool viewerRedrawState) {
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208 fOffset= offset;
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209 fLength= length;
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210 fText= text;
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211 fReplacedText= replacedText;
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212 fDocumentEvent= event;
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213 fViewerRedrawState= viewerRedrawState;
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214 }
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215
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216 /**
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217 * Returns the offset of the event.
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218 *
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219 * @return the offset of the event
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220 */
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221 public int getOffset() {
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222 return fOffset;
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223 }
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224
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225 /**
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226 * Returns the length of the event.
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227 *
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228 * @return the length of the event
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229 */
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230 public int getLength() {
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231 return fLength;
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232 }
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233
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234 /**
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235 * Returns the text of the event.
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236 *
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237 * @return the text of the event
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238 */
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239 public String getText() {
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240 return fText;
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241 }
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242
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243 /**
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244 * Returns the text replaced by this event.
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245 *
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246 * @return the text replaced by this event
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247 */
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248 public String getReplacedText() {
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249 return fReplacedText;
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250 }
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251
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252 /**
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253 * Returns the corresponding document event that caused the viewer change
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254 *
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255 * @return the corresponding document event, <code>null</code> if a visual change only
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256 */
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257 public DocumentEvent getDocumentEvent() {
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258 return fDocumentEvent;
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259 }
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260
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261 /**
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262 * Returns the viewer's redraw state.
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263 *
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264 * @return <code>true</code> if the viewer's redraw state is <code>true</code>
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265 * @since 2.0
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266 */
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267 public bool getViewerRedrawState() {
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268 return fViewerRedrawState;
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269 }
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270 }
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