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annotate org.eclipse.text/src/org/eclipse/text/undo/DocumentUndoEvent.d @ 14:5feec68b4556

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First run of automatic package imports
author Frank Benoit <benoit@tionex.de>
date Sat, 14 Mar 2009 18:41:58 +0100
parents bc29606a740c
children
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1 /*******************************************************************************
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2 * Copyright (c) 2006, 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 module org.eclipse.text.undo.DocumentUndoEvent;
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14 import org.eclipse.text.undo.DocumentUndoManagerRegistry;
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15 import org.eclipse.text.undo.DocumentUndoManager;
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16 import org.eclipse.text.undo.UndoMessages;
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17 import org.eclipse.text.undo.IDocumentUndoManager;
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18 import org.eclipse.text.undo.IDocumentUndoListener;
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22 import java.lang.all;
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23 import java.util.Set;
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26 import org.eclipse.core.runtime.Assert;
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27 import org.eclipse.jface.text.IDocument;
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30 /**
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31 * Describes document changes initiated by undo or redo.
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32 * <p>
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33 * Clients are not supposed to subclass or create instances of this class.
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34 * </p>
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35 *
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36 * @see IDocumentUndoManager
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37 * @see IDocumentUndoListener
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38 * @since 3.2
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39 * @noinstantiate This class is not intended to be instantiated by clients.
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40 * @noextend This class is not intended to be subclassed by clients.
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41 */
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42 public class DocumentUndoEvent {
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43
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44 /**
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45 * Indicates that the described document event is about to be
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46 * undone.
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47 */
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48 public static const int ABOUT_TO_UNDO= 1 << 0;
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49
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50 /**
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51 * Indicates that the described document event is about to be
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52 * redone.
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53 */
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54 public static const int ABOUT_TO_REDO= 1 << 1;
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56 /**
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57 * Indicates that the described document event has been undone.
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58 */
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59 public static const int UNDONE= 1 << 2;
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60
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61 /**
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62 * Indicates that the described document event has been redone.
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63 */
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64 public static const int REDONE= 1 << 3;
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65
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66 /**
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67 * Indicates that the described document event is a compound undo
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68 * or redo event.
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69 */
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70 public static const int COMPOUND= 1 << 4;
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71
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72 /** The changed document. */
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73 private IDocument fDocument;
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74
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75 /** The document offset where the change begins. */
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76 private int fOffset;
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78 /** Text inserted into the document. */
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79 private String fText;
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80
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81 /** Text replaced in the document. */
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82 private String fPreservedText;
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83
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84 /** Bit mask of event types describing the event */
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85 private int fEventType;
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86
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87 /** The source that triggered this event or <code>null</code> if unknown. */
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88 private Object fSource;
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89
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90 /**
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91 * Creates a new document event.
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92 *
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93 * @param doc the changed document
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94 * @param offset the offset of the replaced text
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95 * @param text the substitution text
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96 * @param preservedText the replaced text
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97 * @param eventType a bit mask describing the type(s) of event
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98 * @param source the source that triggered this event or <code>null</code> if unknown
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99 */
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100 this(IDocument doc, int offset, String text, String preservedText, int eventType, Object source) {
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101
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102 Assert.isNotNull(cast(Object)doc);
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103 Assert.isTrue(offset >= 0);
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104
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105 fDocument= doc;
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106 fOffset= offset;
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107 fText= text;
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108 fPreservedText= preservedText;
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109 fEventType= eventType;
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110 fSource= source;
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111 }
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112
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113 /**
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114 * Returns the changed document.
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115 *
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116 * @return the changed document
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117 */
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118 public IDocument getDocument() {
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119 return fDocument;
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120 }
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121
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122 /**
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123 * Returns the offset of the change.
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124 *
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125 * @return the offset of the change
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126 */
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127 public int getOffset() {
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128 return fOffset;
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129 }
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130
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131 /**
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132 * Returns the text that has been inserted.
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133 *
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134 * @return the text that has been inserted
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135 */
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136 public String getText() {
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137 return fText;
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138 }
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139
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140 /**
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141 * Returns the text that has been replaced.
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142 *
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143 * @return the text that has been replaced
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144 */
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145 public String getPreservedText() {
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146 return fPreservedText;
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147 }
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148
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149 /**
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150 * Returns the type of event that is occurring.
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151 *
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152 * @return the bit mask that indicates the type (or types) of the event
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153 */
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154 public int getEventType() {
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155 return fEventType;
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156 }
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157
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158 /**
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159 * Returns the source that triggered this event.
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160 *
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161 * @return the source that triggered this event.
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162 */
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163 public Object getSource() {
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164 return fSource;
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165 }
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166
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167 /**
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168 * Returns whether the change was a compound change or not.
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169 *
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170 * @return <code>true</code> if the undo or redo change is a
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171 * compound change, <code>false</code> if it is not
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172 */
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173 public bool isCompound() {
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174 return (fEventType & COMPOUND) !is 0;
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175 }
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176 }