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annotate org.eclipse.text/src/org/eclipse/text/edits/TextEditGroup.d @ 12:bc29606a740c

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Added dwt-addons in original directory structure of eclipse.org
author Frank Benoit <benoit@tionex.de>
date Sat, 14 Mar 2009 18:23:29 +0100
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children 5feec68b4556
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2006 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.edits.TextEditGroup;
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15 import org.eclipse.text.edits.MultiTextEdit; // packageimport
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16 import org.eclipse.text.edits.CopySourceEdit; // packageimport
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17 import org.eclipse.text.edits.MoveSourceEdit; // packageimport
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18 import org.eclipse.text.edits.CopyingRangeMarker; // packageimport
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19 import org.eclipse.text.edits.ReplaceEdit; // packageimport
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20 import org.eclipse.text.edits.EditDocument; // packageimport
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21 import org.eclipse.text.edits.UndoCollector; // packageimport
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22 import org.eclipse.text.edits.DeleteEdit; // packageimport
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23 import org.eclipse.text.edits.MoveTargetEdit; // packageimport
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24 import org.eclipse.text.edits.CopyTargetEdit; // packageimport
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25 import org.eclipse.text.edits.TextEditCopier; // packageimport
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26 import org.eclipse.text.edits.ISourceModifier; // packageimport
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27 import org.eclipse.text.edits.TextEditMessages; // packageimport
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28 import org.eclipse.text.edits.TextEditProcessor; // packageimport
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29 import org.eclipse.text.edits.MalformedTreeException; // packageimport
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30 import org.eclipse.text.edits.TreeIterationInfo; // packageimport
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31 import org.eclipse.text.edits.TextEditVisitor; // packageimport
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32 import org.eclipse.text.edits.TextEdit; // packageimport
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33 import org.eclipse.text.edits.RangeMarker; // packageimport
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34 import org.eclipse.text.edits.UndoEdit; // packageimport
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35 import org.eclipse.text.edits.InsertEdit; // packageimport
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36
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37
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38 import java.lang.all;
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39 import java.util.Arrays;
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40 import java.util.List;
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41 import java.util.ArrayList;
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45
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46 import org.eclipse.core.runtime.Assert;
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47 import org.eclipse.jface.text.IRegion;
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48
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49
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50 /**
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51 * A text edit group combines a list of {@link TextEdit}s
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52 * and a name into a single object. The name must be a human
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53 * readable string use to present the text edit group in the
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54 * user interface.
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55 * <p>
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56 * Clients may extend this class to add extra information to
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57 * a text edit group.
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58 * </p>
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59 *
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60 * @since 3.0
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61 */
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62 public class TextEditGroup {
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63
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64 private String fDescription;
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65 private List fEdits;
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66
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67 /**
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68 * Creates a new text edit group with the given name.
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69 *
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70 * @param name the name of the text edit group. Must be
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71 * a human readable string
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72 */
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73 public this(String name) {
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74 // super();
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75 Assert.isNotNull(name);
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76 fDescription= name;
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77 fEdits= new ArrayList(3);
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78 }
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79
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80 /**
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81 * Creates a new text edit group with a name and a single
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82 * {@link TextEdit}.
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83 *
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84 * @param name the name of the text edit group. Must be
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85 * a human readable string
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86 * @param edit the edit to manage
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87 */
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88 public this(String name, TextEdit edit) {
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89 Assert.isNotNull(name);
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90 Assert.isNotNull(edit);
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91 fDescription= name;
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92 fEdits= new ArrayList(1);
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93 fEdits.add(edit);
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94 }
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95
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96 /**
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97 * Creates a new text edit group with the given name and
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98 * array of edits.
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99 *
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100 * @param name the name of the text edit group. Must be
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101 * a human readable string
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102 * @param edits the array of edits
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103 */
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104 public this(String name, TextEdit[] edits) {
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105 // super();
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106 Assert.isNotNull(name);
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107 Assert.isTrue(edits !is null);
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108 fDescription= name;
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109 fEdits= new ArrayList(Arrays.asList(edits));
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110 }
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111
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112 /**
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113 * Returns the edit group's name.
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114 *
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115 * @return the edit group's name
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116 */
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117 public String getName() {
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118 return fDescription;
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119 }
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120
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121 /**
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122 * Adds the given {@link TextEdit} to this group.
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123 *
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124 * @param edit the edit to add
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125 */
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126 public void addTextEdit(TextEdit edit) {
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127 fEdits.add(edit);
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128 }
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129
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130 /**
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131 * Removes the given {@link TextEdit} from this group.
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132 *
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133 * @param edit the edit to remove
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134 * @return <code>true</code> if this group contained the specified edit.
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135 * @since 3.3
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136 */
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137 public bool removeTextEdit(TextEdit edit) {
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138 return fEdits.remove(edit);
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139 }
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140
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141 /**
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142 * Removes all text edits from this group.
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143 *
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144 * @since 3.3
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145 */
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146 public void clearTextEdits() {
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147 fEdits.clear();
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148 }
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149
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150
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151
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152 /**
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153 * Returns <code>true</code> if the list of managed
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154 * {@link TextEdit}s is empty; otherwise <code>false
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155 * </code> is returned.
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156 *
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157 * @return whether the list of managed text edits is
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158 * empty or not
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159 */
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160 public bool isEmpty() {
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161 return fEdits.isEmpty();
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162 }
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163
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164 /**
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165 * Returns an array of {@link TextEdit}s containing
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166 * the edits managed by this group.
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167 *
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168 * @return the managed text edits
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169 */
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170 public TextEdit[] getTextEdits() {
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171 return arraycast!(TextEdit)( fEdits.toArray());
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172 }
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173
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174 /**
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175 * Returns the text region covered by the edits managed via this
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176 * edit group. If the group doesn't manage any edits <code>null
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177 * </code> is returned.
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178 *
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179 * @return the text region covered by this edit group or <code>
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180 * null</code> if no edits are managed
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181 */
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182 public IRegion getRegion() {
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183 int size= fEdits.size();
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184 if (size is 0) {
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185 return null;
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186 } else if (size is 1) {
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187 return (cast(TextEdit)fEdits.get(0)).getRegion();
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188 } else {
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189 return TextEdit.getCoverage(arraycast!(TextEdit)(fEdits.toArray()));
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190 }
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191 }
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192 }