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annotate org.eclipse.text/src/org/eclipse/jface/text/projection/ProjectionDocumentEvent.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) 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 module org.eclipse.jface.text.projection.ProjectionDocumentEvent;
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14 import org.eclipse.jface.text.projection.ChildDocumentManager;
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15 import org.eclipse.jface.text.projection.IMinimalMapping;
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16 import org.eclipse.jface.text.projection.Segment;
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17 import org.eclipse.jface.text.projection.ChildDocument;
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18 import org.eclipse.jface.text.projection.ProjectionMapping;
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19 import org.eclipse.jface.text.projection.FragmentUpdater;
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20 import org.eclipse.jface.text.projection.SegmentUpdater;
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21 import org.eclipse.jface.text.projection.ProjectionTextStore;
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22 import org.eclipse.jface.text.projection.ProjectionDocumentManager;
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23 import org.eclipse.jface.text.projection.Fragment;
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24 import org.eclipse.jface.text.projection.ProjectionDocument;
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28 import java.lang.all;
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29 import java.util.Set;
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31 import org.eclipse.jface.text.DocumentEvent;
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32 import org.eclipse.jface.text.IDocument;
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33 import org.eclipse.jface.text.SlaveDocumentEvent;
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35
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36 /**
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37 * This event is sent out by an
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38 * {@link org.eclipse.jface.text.projection.ProjectionDocument}when it is
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39 * manipulated. The manipulation is either a content manipulation or a change of
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40 * the projection between the master and the slave. Clients can determine the
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41 * type of change by asking the projection document event for its change type
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42 * (see {@link #getChangeType()}) and comparing it with the predefined types
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43 * {@link #PROJECTION_CHANGE}and {@link #CONTENT_CHANGE}.
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44 * <p>
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45 * Clients are not supposed to create instances of this class. Instances are
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46 * created by {@link org.eclipse.jface.text.projection.ProjectionDocument}
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47 * instances. This class is not intended to be subclassed.</p>
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48 *
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49 * @since 3.0
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50 * @noinstantiate This class is not intended to be instantiated by clients.
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51 * @noextend This class is not intended to be subclassed by clients.
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52 */
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53 public class ProjectionDocumentEvent : SlaveDocumentEvent {
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54
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55 /** The change type indicating a projection change */
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56 private static Object PROJECTION_CHANGE_;
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57 public static Object PROJECTION_CHANGE(){
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58 if( PROJECTION_CHANGE_ is null ) {
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59 synchronized( ProjectionDocumentEvent.classinfo ) {
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60 if( PROJECTION_CHANGE_ is null ) {
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61 PROJECTION_CHANGE_ = new Object();
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62 }
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63 }
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64 }
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65 return PROJECTION_CHANGE_;
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66 }
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67 /** The change type indicating a content change */
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68 private static Object CONTENT_CHANGE_;
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69 public static Object CONTENT_CHANGE(){
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70 if( CONTENT_CHANGE_ is null ) {
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71 synchronized( ProjectionDocumentEvent.classinfo ) {
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72 if( CONTENT_CHANGE_ is null ) {
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73 CONTENT_CHANGE_ = new Object();
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74 }
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75 }
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76 }
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77 return CONTENT_CHANGE_;
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78 }
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79
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80 /** The change type */
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81 private Object fChangeType;
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82 /** The offset of the change in the master document */
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83 private int fMasterOffset= -1;
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84 /** The length of the change in the master document */
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85 private int fMasterLength= -1;
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86
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87 /**
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88 * Creates a new content change event caused by the given master document
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89 * change. Instances created using this constructor return <code>-1</code>
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90 * when calling <code>getMasterOffset</code> or
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91 * <code>getMasterLength</code>. This information can be obtained by
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92 * accessing the master event.
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93 *
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94 * @param doc the changed projection document
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95 * @param offset the offset in the projection document
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96 * @param length the length in the projection document
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97 * @param text the replacement text
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98 * @param masterEvent the original master event
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99 */
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100 public this(IDocument doc, int offset, int length, String text, DocumentEvent masterEvent) {
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101 super(doc, offset, length, text, masterEvent);
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102 fChangeType= CONTENT_CHANGE;
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103 }
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104
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105 /**
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106 * Creates a new projection change event for the given properties. Instances
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107 * created with this constructor return the given master document offset and
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108 * length but do not have an associated master document event.
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109 *
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110 * @param doc the projection document
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111 * @param offset the offset in the projection document
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112 * @param length the length in the projection document
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113 * @param text the replacement text
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114 * @param masterOffset the offset in the master document
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115 * @param masterLength the length in the master document
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116 */
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117 public this(IDocument doc, int offset, int length, String text, int masterOffset, int masterLength) {
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118 super(doc, offset, length, text, null);
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119 fChangeType= PROJECTION_CHANGE;
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120 fMasterOffset= masterOffset;
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121 fMasterLength= masterLength;
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122 }
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123
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124 /**
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125 * Creates a new projection document event for the given properties. The
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126 * projection change is caused by a manipulation of the master document. In
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127 * order to accommodate the master document change, the projection document
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128 * had to change the projection. Instances created with this constructor
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129 * return the given master document offset and length and also have an
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130 * associated master document event.
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131 *
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132 * @param doc the projection document
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133 * @param offset the offset in the projection document
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134 * @param length the length in the projection document
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135 * @param text the replacement text
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136 * @param masterOffset the offset in the master document
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137 * @param masterLength the length in the master document
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138 * @param masterEvent the master document event
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139 */
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140 public this(IDocument doc, int offset, int length, String text, int masterOffset, int masterLength, DocumentEvent masterEvent) {
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141 super(doc, offset, length, text, masterEvent);
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142 fChangeType= PROJECTION_CHANGE;
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143 fMasterOffset= masterOffset;
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144 fMasterLength= masterLength;
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145 }
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146
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147 /**
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148 * Returns the change type of this event. This is either {@link #PROJECTION_CHANGE} or
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149 * {@link #CONTENT_CHANGE}.
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150 *
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151 * @return the change type of this event
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152 */
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153 public Object getChangeType() {
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154 return fChangeType;
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155 }
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156
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157 /**
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158 * Returns the offset of the master document range that has been added or removed in case this
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159 * event describes a projection change, otherwise it returns <code>-1</code>.
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160 *
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161 * @return the master document offset of the projection change or <code>-1</code>
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162 */
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163 public int getMasterOffset() {
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164 return fMasterOffset;
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165 }
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166
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167 /**
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168 * Returns the length of the master document range that has been added or removed in case this event
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169 * describes a projection changed, otherwise <code>-1</code>.
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170 *
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171 * @return the master document length of the projection change or <code>-1</code>
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172 */
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173 public int getMasterLength() {
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174 return fMasterLength;
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175 }
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176 }