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annotate dwtx/jface/action/ContributionItem.d @ 70:46a6e0e6ccd4

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Merge with d-fied sources of 3.4M7
author Frank Benoit <benoit@tionex.de>
date Thu, 22 May 2008 01:36:46 +0200
parents ea8ff534f622
children
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1 /*******************************************************************************
70
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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 dwtx.jface.action.ContributionItem;
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14
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15 import dwtx.jface.action.IContributionItem;
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16 import dwtx.jface.action.IContributionManager;
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17
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18 import dwt.widgets.Composite;
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19 import dwt.widgets.CoolBar;
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20 import dwt.widgets.Menu;
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21 import dwt.widgets.ToolBar;
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22
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23 import dwt.dwthelper.utils;
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24
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25 /**
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26 * An abstract base implementation for contribution items.
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27 */
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28 public abstract class ContributionItem : IContributionItem {
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29
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30 /**
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31 * The identifier for this contribution item, of <code>null</code> if none.
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32 */
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33 private String id = null;
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34
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35 /**
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36 * Indicates this item is visible in its manager; <code>true</code>
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37 * by default.
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38 */
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39 private bool visible = true;
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40
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41 /**
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42 * The parent contribution manager for this item
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43 */
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44 private IContributionManager parent;
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45
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46 /**
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47 * Creates a contribution item with a <code>null</code> id.
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48 * Calls <code>this(String)</code> with <code>null</code>.
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49 */
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50 protected this() {
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51 this(null);
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52 }
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53
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54 /**
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55 * Creates a contribution item with the given (optional) id.
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56 * The given id is used to find items in a contribution manager,
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57 * and for positioning items relative to other items.
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58 *
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59 * @param id the contribution item identifier, or <code>null</code>
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60 */
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61 protected this(String id) {
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62 this.id = id;
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63 }
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64
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65 /**
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66 * The default implementation of this <code>IContributionItem</code>
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67 * method does nothing. Subclasses may override.
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68 */
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69 public void dispose() {
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70 }
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71
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72 /**
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73 * The default implementation of this <code>IContributionItem</code>
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74 * method does nothing. Subclasses may override.
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75 */
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76 public void fill(Composite parent) {
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77 }
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78
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79 /**
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80 * The default implementation of this <code>IContributionItem</code>
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81 * method does nothing. Subclasses may override.
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82 */
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83 public void fill(Menu menu, int index) {
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84 }
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85
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86 /**
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87 * The default implementation of this <code>IContributionItem</code>
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88 * method does nothing. Subclasses may override.
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89 */
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90 public void fill(ToolBar parent, int index) {
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91 }
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92
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93 /**
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94 * The default implementation of this <code>IContributionItem</code>
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95 * method does nothing. Subclasses may override.
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96 *
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97 * @since 3.0
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98 */
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99 public void fill(CoolBar parent, int index) {
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100 }
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101
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102 /**
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103 * The default implementation of this <code>IContributionItem</code>
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104 * method does nothing. Subclasses may override.
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105 *
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106 * @since 3.0
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107 */
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108 public void saveWidgetState() {
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109 }
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110
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111 /* (non-Javadoc)
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112 * Method declared on IContributionItem.
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113 */
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114 public String getId() {
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115 return id;
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116 }
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117
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118 /**
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119 * Returns the parent contribution manager, or <code>null</code> if this
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120 * contribution item is not currently added to a contribution manager.
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121 *
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122 * @return the parent contribution manager, or <code>null</code>
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123 * @since 2.0
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124 */
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125 public IContributionManager getParent() {
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126 return parent;
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127 }
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128
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129 /**
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130 * The default implementation of this <code>IContributionItem</code>
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131 * method returns <code>false</code>. Subclasses may override.
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132 */
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133 public bool isDirty() {
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134 // @issue should this be false instead of calling isDynamic()?
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135 return isDynamic();
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136 }
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137
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138 /**
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139 * The default implementation of this <code>IContributionItem</code>
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140 * method returns <code>true</code>. Subclasses may override.
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141 */
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142 public bool isEnabled() {
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143 return true;
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144 }
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145
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146 /**
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147 * The default implementation of this <code>IContributionItem</code>
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148 * method returns <code>false</code>. Subclasses may override.
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149 */
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150 public bool isDynamic() {
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151 return false;
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152 }
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153
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154 /**
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155 * The default implementation of this <code>IContributionItem</code>
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156 * method returns <code>false</code>. Subclasses may override.
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157 */
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158 public bool isGroupMarker() {
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159 return false;
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160 }
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161
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162 /**
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163 * The default implementation of this <code>IContributionItem</code>
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164 * method returns <code>false</code>. Subclasses may override.
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165 */
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166 public bool isSeparator() {
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167 return false;
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168 }
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169
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170 /**
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171 * The default implementation of this <code>IContributionItem</code>
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172 * method returns the value recorded in an internal state variable,
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173 * which is <code>true</code> by default. <code>setVisible</code>
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174 * should be used to change this setting.
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175 */
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176 public bool isVisible() {
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177 return visible;
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178 }
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179
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180 /**
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181 * The default implementation of this <code>IContributionItem</code>
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182 * method stores the value in an internal state variable,
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183 * which is <code>true</code> by default.
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184 */
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185 public void setVisible(bool visible) {
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186 this.visible = visible;
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187 }
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188
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189 /**
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190 * Returns a string representation of this contribution item
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191 * suitable only for debugging.
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192 */
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193 public override String toString() {
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194 return this.classinfo.name ~ "(id=" ~ getId() ~ ")";//$NON-NLS-2$//$NON-NLS-1$
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195 }
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196
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197 /**
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198 * The default implementation of this <code>IContributionItem</code>
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199 * method does nothing. Subclasses may override.
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200 */
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201 public void update() {
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202 }
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203
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204 /* (non-Javadoc)
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205 * Method declared on IContributionItem.
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206 */
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207 public void setParent(IContributionManager parent) {
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208 this.parent = parent;
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209 }
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210
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211 /**
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212 * The <code>ContributionItem</code> implementation of this
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213 * method declared on <code>IContributionItem</code> does nothing.
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214 * Subclasses should override to update their state.
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215 */
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216 public void update(String id) {
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217 }
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218
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219 /**
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220 * The ID for this contribution item. It should be set once either in the
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221 * constructor or using this method.
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222 *
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223 * @param itemId
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224 * @since 3.4
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225 * @see #getId()
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226 */
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227 public void setId(String itemId) {
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228 id = itemId;
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229 }
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230 }