annotate org.eclipse.jface/src/org/eclipse/jface/preference/PreferencePage.d @ 12:bc29606a740c

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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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2007 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 * Sebastian Davids <sdavids@gmx.de> - Fix for bug 38729 - [Preferences]
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11 * NPE PreferencePage isValid.
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12 * Port to the D programming language:
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13 * Frank Benoit <benoit@tionex.de>
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14 *******************************************************************************/
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15 module org.eclipse.jface.preference.PreferencePage;
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16
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17 import org.eclipse.jface.preference.IPreferencePage;
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18 import org.eclipse.jface.preference.IPreferenceStore;
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19 import org.eclipse.jface.preference.IPreferencePageContainer;
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20
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21 import org.eclipse.swt.SWT;
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22 import org.eclipse.swt.events.DisposeEvent;
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23 import org.eclipse.swt.events.DisposeListener;
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24 import org.eclipse.swt.events.SelectionAdapter;
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25 import org.eclipse.swt.events.SelectionEvent;
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26 import org.eclipse.swt.graphics.Font;
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27 import org.eclipse.swt.graphics.Point;
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28 import org.eclipse.swt.layout.GridData;
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29 import org.eclipse.swt.layout.GridLayout;
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30 import org.eclipse.swt.widgets.Button;
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31 import org.eclipse.swt.widgets.Composite;
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32 import org.eclipse.swt.widgets.Control;
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33 import org.eclipse.swt.widgets.Event;
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34 import org.eclipse.swt.widgets.Label;
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35 import org.eclipse.jface.dialogs.Dialog;
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36 import org.eclipse.jface.dialogs.DialogPage;
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37 import org.eclipse.jface.dialogs.IDialogConstants;
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38 import org.eclipse.jface.dialogs.IDialogPage;
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39 import org.eclipse.jface.resource.ImageDescriptor;
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40 import org.eclipse.jface.resource.JFaceResources;
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41 import org.eclipse.jface.util.IPropertyChangeListener;
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42 import org.eclipse.jface.util.PropertyChangeEvent;
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43
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44 import java.lang.all;
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45 import java.util.Set;
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46
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47 /**
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48 * Abstract base implementation for all preference page implementations.
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49 * <p>
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50 * Subclasses must implement the <code>createControl</code> framework
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51 * method to supply the page's main control.
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52 * </p>
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53 * <p>
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54 * Subclasses should extend the <code>doComputeSize</code> framework
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55 * method to compute the size of the page's control.
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56 * </p>
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57 * <p>
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58 * Subclasses may override the <code>performOk</code>, <code>performApply</code>,
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59 * <code>performDefaults</code>, <code>performCancel</code>, and <code>performHelp</code>
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60 * framework methods to react to the standard button events.
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61 * </p>
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62 * <p>
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63 * Subclasses may call the <code>noDefaultAndApplyButton</code> framework
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64 * method before the page's control has been created to suppress
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65 * the standard Apply and Defaults buttons.
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66 * </p>
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67 */
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68 public abstract class PreferencePage : DialogPage,
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69 IPreferencePage {
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70 alias DialogPage.setMessage setMessage;
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71
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72 /**
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73 * Preference store, or <code>null</code>.
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74 */
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75 private IPreferenceStore preferenceStore;
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76
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77 /**
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78 * Valid state for this page; <code>true</code> by default.
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79 *
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80 * @see #isValid
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81 */
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82 private bool isValid_ = true;
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83
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84 /**
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85 * Body of page.
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86 */
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87 private Control body_;
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88
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89 /**
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90 * Whether this page has the standard Apply and Defaults buttons;
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91 * <code>true</code> by default.
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92 *
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93 * @see #noDefaultAndApplyButton
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94 */
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95 private bool createDefaultAndApplyButton = true;
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96
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97 /**
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98 * Standard Defaults button, or <code>null</code> if none.
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99 * This button has id <code>DEFAULTS_ID</code>.
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100 */
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101 private Button defaultsButton = null;
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102
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103 /**
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104 * The container this preference page belongs to; <code>null</code>
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105 * if none.
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106 */
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107 private IPreferencePageContainer container = null;
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108
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109 /**
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110 * Standard Apply button, or <code>null</code> if none.
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111 * This button has id <code>APPLY_ID</code>.
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112 */
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113 private Button applyButton = null;
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114
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115 /**
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116 * Description label.
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117 *
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118 * @see #createDescriptionLabel(Composite)
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119 */
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120 private Label descriptionLabel;
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121
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122 /**
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123 * Caches size of page.
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124 */
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125 private Point size = null;
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126
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127
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128 /**
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129 * Creates a new preference page with an empty title and no image.
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130 */
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131 protected this() {
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132 this(""); //$NON-NLS-1$
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133 }
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134
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135 /**
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136 * Creates a new preference page with the given title and no image.
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137 *
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138 * @param title the title of this preference page
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139 */
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140 protected this(String title) {
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141 super(title);
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142 }
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143
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144 /**
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145 * Creates a new abstract preference page with the given title and image.
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146 *
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147 * @param title the title of this preference page
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148 * @param image the image for this preference page,
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149 * or <code>null</code> if none
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150 */
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151 protected this(String title, ImageDescriptor image) {
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152 super(title, image);
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153 }
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154
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155 /**
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156 * Computes the size for this page's UI control.
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157 * <p>
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158 * The default implementation of this <code>IPreferencePage</code>
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159 * method returns the size set by <code>setSize</code>; if no size
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160 * has been set, but the page has a UI control, the framework
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161 * method <code>doComputeSize</code> is called to compute the size.
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162 * </p>
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163 *
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164 * @return the size of the preference page encoded as
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165 * <code>new Point(width,height)</code>, or
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166 * <code>(0,0)</code> if the page doesn't currently have any UI component
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167 */
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168 public Point computeSize() {
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169 if (size !is null) {
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170 return size;
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171 }
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172 Control control = getControl();
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173 if (control !is null) {
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174 size = doComputeSize();
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175 return size;
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176 }
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177 return new Point(0, 0);
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178 }
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179
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180 /**
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181 * Contributes additional buttons to the given composite.
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182 * <p>
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183 * The default implementation of this framework hook method does
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184 * nothing. Subclasses should override this method to contribute buttons
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185 * to this page's button bar. For each button a subclass contributes,
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186 * it must also increase the parent's grid layout number of columns
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187 * by one; that is,
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188 * <pre>
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189 * ((GridLayout) parent.getLayout()).numColumns++);
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190 * </pre>
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191 * </p>
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192 *
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193 * @param parent the button bar
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194 */
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195 protected void contributeButtons(Composite parent) {
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196 }
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197
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198 /**
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199 * Creates and returns the SWT control for the customized body
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200 * of this preference page under the given parent composite.
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201 * <p>
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202 * This framework method must be implemented by concrete subclasses. Any
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203 * subclass returning a <code>Composite</code> object whose <code>Layout</code>
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204 * has default margins (for example, a <code>GridLayout</code>) are expected to
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205 * set the margins of this <code>Layout</code> to 0 pixels.
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206 * </p>
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207 *
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208 * @param parent the parent composite
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209 * @return the new control
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210 */
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211 protected abstract Control createContents(Composite parent);
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212
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213 /**
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214 * The <code>PreferencePage</code> implementation of this
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215 * <code>IDialogPage</code> method creates a description label
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216 * and button bar for the page. It calls <code>createContents</code>
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217 * to create the custom contents of the page.
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218 * <p>
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219 * If a subclass that overrides this method creates a <code>Composite</code>
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220 * that has a layout with default margins (for example, a <code>GridLayout</code>)
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221 * it is expected to set the margins of this <code>Layout</code> to 0 pixels.
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222 * @see IDialogPage#createControl(Composite)
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223 */
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224 public void createControl(Composite parent){
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225
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226 GridData gd;
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227 Composite content = new Composite(parent, SWT.NONE);
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228 setControl(content);
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229 GridLayout layout = new GridLayout();
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230 layout.marginWidth = 0;
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231 layout.marginHeight = 0;
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232 content.setLayout(layout);
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233 //Apply the font on creation for backward compatibility
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234 applyDialogFont(content);
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235
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236 // initialize the dialog units
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237 initializeDialogUnits(content);
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238
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239 descriptionLabel = createDescriptionLabel(content);
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240 if (descriptionLabel !is null) {
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241 descriptionLabel.setLayoutData(new GridData(
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242 GridData.FILL_HORIZONTAL));
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243 }
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244
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245 body_ = createContents(content);
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246 if (body_ !is null) {
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247 // null is not a valid return value but support graceful failure
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248 body_.setLayoutData(new GridData(GridData.FILL_BOTH));
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249 }
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250
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251 Composite buttonBar = new Composite(content, SWT.NONE);
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252 layout = new GridLayout();
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253 layout.numColumns = 0;
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254 layout.marginHeight = 0;
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255 layout.marginWidth = 0;
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256 layout.makeColumnsEqualWidth = false;
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257 buttonBar.setLayout(layout);
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258
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259 gd = new GridData(GridData.HORIZONTAL_ALIGN_END);
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260
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261 buttonBar.setLayoutData(gd);
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262
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263 contributeButtons(buttonBar);
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264
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265 if (createDefaultAndApplyButton) {
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266 layout.numColumns = layout.numColumns + 2;
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267 String[] labels = JFaceResources.getStrings([
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268 "defaults", "apply"]); //$NON-NLS-2$//$NON-NLS-1$
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269 int widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
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270 defaultsButton = new Button(buttonBar, SWT.PUSH);
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271 defaultsButton.setText(labels[0]);
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272 Dialog.applyDialogFont(defaultsButton);
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273 GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
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274 Point minButtonSize = defaultsButton.computeSize(SWT.DEFAULT,
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275 SWT.DEFAULT, true);
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276 data.widthHint = Math.max(widthHint, minButtonSize.x);
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277 defaultsButton.setLayoutData(data);
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278 defaultsButton.addSelectionListener(new class SelectionAdapter {
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279 public void widgetSelected(SelectionEvent e) {
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280 performDefaults();
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281 }
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282 });
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283
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284 applyButton = new Button(buttonBar, SWT.PUSH);
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285 applyButton.setText(labels[1]);
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286 Dialog.applyDialogFont(applyButton);
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287 data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
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288 minButtonSize = applyButton.computeSize(SWT.DEFAULT, SWT.DEFAULT,
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289 true);
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290 data.widthHint = Math.max(widthHint, minButtonSize.x);
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291 applyButton.setLayoutData(data);
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292 applyButton.addSelectionListener(new class SelectionAdapter {
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293 public void widgetSelected(SelectionEvent e) {
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294 performApply();
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295 }
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296 });
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297 applyButton.setEnabled(isValid());
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298 applyDialogFont(buttonBar);
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299 } else {
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300 /* Check if there are any other buttons on the button bar.
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301 * If not, throw away the button bar composite. Otherwise
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302 * there is an unusually large button bar.
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303 */
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304 if (buttonBar.getChildren().length < 1) {
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305 buttonBar.dispose();
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306 }
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307 }
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308 }
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309
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310
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311
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312 /**
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313 * Apply the dialog font to the composite and it's children
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314 * if it is set. Subclasses may override if they wish to
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315 * set the font themselves.
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316 * @param composite
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317 */
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318 protected void applyDialogFont(Composite composite) {
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319 Dialog.applyDialogFont(composite);
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320 }
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321
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322 /**
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323 * Creates and returns an SWT label under the given composite.
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324 *
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325 * @param parent the parent composite
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326 * @return the new label
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327 */
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328 protected Label createDescriptionLabel(Composite parent) {
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329 Label result = null;
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330 String description = getDescription();
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331 if (description !is null) {
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332 result = new Label(parent, SWT.WRAP);
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333 result.setFont(parent.getFont());
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334 result.setText(description);
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335 }
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336 return result;
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337 }
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338
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339 /**
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340 * Computes the size needed by this page's UI control.
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341 * <p>
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342 * All pages should override this method and set the appropriate sizes
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343 * of their widgets, and then call <code>super.doComputeSize</code>.
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344 * </p>
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345 *
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346 * @return the size of the preference page encoded as
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347 * <code>new Point(width,height)</code>
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348 */
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349 protected Point doComputeSize() {
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350 if (descriptionLabel !is null && body_ !is null) {
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351 Point bodySize = body_.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
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352 GridData gd = cast(GridData) descriptionLabel.getLayoutData();
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353 gd.widthHint = bodySize.x;
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354 }
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355 return getControl().computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
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356 }
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357
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358 /**
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359 * Returns the preference store of this preference page.
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360 * <p>
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361 * This is a framework hook method for subclasses to return a
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362 * page-specific preference store. The default implementation
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363 * returns <code>null</code>.
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364 * </p>
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365 *
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366 * @return the preference store, or <code>null</code> if none
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367 */
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368 protected IPreferenceStore doGetPreferenceStore() {
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369 return null;
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370 }
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371
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372 /**
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373 * Returns the container of this page.
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374 *
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375 * @return the preference page container, or <code>null</code> if this
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376 * page has yet to be added to a container
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377 */
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378 public IPreferencePageContainer getContainer() {
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379 return container;
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380 }
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381
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382 /**
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383 * Returns the preference store of this preference page.
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384 *
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385 * @return the preference store , or <code>null</code> if none
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386 */
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387 public IPreferenceStore getPreferenceStore() {
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388 if (preferenceStore is null) {
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389 preferenceStore = doGetPreferenceStore();
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390 }
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391 if (preferenceStore !is null) {
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392 return preferenceStore;
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393 } else if (container !is null) {
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394 return container.getPreferenceStore();
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395 }
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396 return null;
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397 }
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398
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399 /**
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400 * The preference page implementation of an <code>IPreferencePage</code>
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401 * method returns whether this preference page is valid. Preference
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402 * pages are considered valid by default; call <code>setValid(false)</code>
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403 * to make a page invalid.
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404 * @see IPreferencePage#isValid()
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405 */
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406 public bool isValid() {
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407 return isValid_;
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408 }
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409
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410 /**
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411 * Suppresses creation of the standard Default and Apply buttons
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412 * for this page.
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413 * <p>
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414 * Subclasses wishing a preference page without these buttons
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415 * should call this framework method before the page's control
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416 * has been created.
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417 * </p>
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418 */
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419 protected void noDefaultAndApplyButton() {
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420 createDefaultAndApplyButton = false;
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421 }
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422
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423 /**
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424 * The <code>PreferencePage</code> implementation of this
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425 * <code>IPreferencePage</code> method returns <code>true</code>
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426 * if the page is valid.
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427 * @see IPreferencePage#okToLeave()
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428 */
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429 public bool okToLeave() {
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430 return isValid();
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431 }
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432
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433 /**
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434 * Performs special processing when this page's Apply button has been pressed.
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435 * <p>
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diff changeset
436 * This is a framework hook method for sublcasses to do special things when
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437 * the Apply button has been pressed.
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438 * The default implementation of this framework method simply calls
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439 * <code>performOk</code> to simulate the pressing of the page's OK button.
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parents:
diff changeset
440 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
441 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
442 * @see #performOk
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
443 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
444 protected void performApply() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
445 performOk();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
446 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
447
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
448 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
449 * The preference page implementation of an <code>IPreferencePage</code>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
450 * method performs special processing when this page's Cancel button has
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
451 * been pressed.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
452 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
453 * This is a framework hook method for subclasses to do special things when
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
454 * the Cancel button has been pressed. The default implementation of this
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
455 * framework method does nothing and returns <code>true</code>.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
456 * @see IPreferencePage#performCancel()
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
457 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
458 public bool performCancel() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
459 return true;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
460 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
461
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
462 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
463 * Performs special processing when this page's Defaults button has been pressed.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
464 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
465 * This is a framework hook method for subclasses to do special things when
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
466 * the Defaults button has been pressed.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
467 * Subclasses may override, but should call <code>super.performDefaults</code>.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
468 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
469 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
470 protected void performDefaults() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
471 updateApplyButton();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
472 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
473
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
474
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
475 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
476 * @see org.eclipse.jface.preference.IPreferencePage#performOk()
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
477 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
478 public bool performOk() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
479 return true;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
480 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
481
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
482
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
483 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
484 * @see org.eclipse.jface.preference.IPreferencePage#setContainer(org.eclipse.jface.preference.IPreferencePageContainer)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
485 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
486 public void setContainer(IPreferencePageContainer container) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
487 this.container = container;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
488 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
489
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
490 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
491 * Sets the preference store for this preference page.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
492 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
493 * If preferenceStore is set to null, getPreferenceStore
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
494 * will invoke doGetPreferenceStore the next time it is called.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
495 * </p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
496 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
497 * @param store the preference store, or <code>null</code>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
498 * @see #getPreferenceStore
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
499 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
500 public void setPreferenceStore(IPreferenceStore store) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
501 preferenceStore = store;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
502 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
503
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
504
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
505 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
506 * @see org.eclipse.jface.preference.IPreferencePage#setSize(org.eclipse.swt.graphics.Point)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
507 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
508 public void setSize(Point uiSize) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
509 Control control = getControl();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
510 if (control !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
511 control.setSize(uiSize);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
512 size = uiSize;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
513 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
514 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
515
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
516 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
517 * The <code>PreferencePage</code> implementation of this <code>IDialogPage</code>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
518 * method extends the <code>DialogPage</code> implementation to update
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
519 * the preference page container title. Subclasses may extend.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
520 * @see IDialogPage#setTitle(String)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
521 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
522 public override void setTitle(String title) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
523 super.setTitle(title);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
524 if (getContainer() !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
525 getContainer().updateTitle();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
526 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
527 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
528
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
529 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
530 * Sets whether this page is valid.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
531 * The enable state of the container buttons and the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
532 * apply button is updated when a page's valid state
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
533 * changes.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
534 * <p>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
535 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
536 * @param b the new valid state
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
537 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
538 public void setValid(bool b) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
539 bool oldValue = isValid_;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
540 isValid_ = b;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
541 if (oldValue !is isValid_) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
542 // update container state
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
543 if (getContainer() !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
544 getContainer().updateButtons();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
545 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
546 // update page state
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
547 updateApplyButton();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
548 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
549 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
550
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
551
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
552 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
553 * @see java.lang.Object#toString()
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
554 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
555 public override String toString() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
556 return getTitle();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
557 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
558
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
559 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
560 * Updates the enabled state of the Apply button to reflect whether
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
561 * this page is valid.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
562 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
563 protected void updateApplyButton() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
564 if (applyButton !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
565 applyButton.setEnabled(isValid());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
566 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
567 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
568
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
569 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
570 * Creates a composite with a highlighted Note entry and a message text.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
571 * This is designed to take up the full width of the page.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
572 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
573 * @param font the font to use
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
574 * @param composite the parent composite
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
575 * @param title the title of the note
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
576 * @param message the message for the note
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
577 * @return the composite for the note
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
578 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
579 protected Composite createNoteComposite(Font font, Composite composite,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
580 String title, String message) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
581 Composite messageComposite = new Composite(composite, SWT.NONE);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
582 GridLayout messageLayout = new GridLayout();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
583 messageLayout.numColumns = 2;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
584 messageLayout.marginWidth = 0;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
585 messageLayout.marginHeight = 0;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
586 messageComposite.setLayout(messageLayout);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
587 messageComposite.setLayoutData(new GridData(
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
588 GridData.HORIZONTAL_ALIGN_FILL));
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
589 messageComposite.setFont(font);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
590
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591 final Label noteLabel = new Label(messageComposite, SWT.BOLD);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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592 noteLabel.setText(title);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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593 noteLabel.setFont(JFaceResources.getFontRegistry().getBold(
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594 JFaceResources.DEFAULT_FONT));
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595 noteLabel
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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596 .setLayoutData(new GridData(GridData.VERTICAL_ALIGN_BEGINNING));
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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597
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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598 final IPropertyChangeListener fontListener = new class IPropertyChangeListener {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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599 public void propertyChange(PropertyChangeEvent event) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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600 if (JFaceResources.BANNER_FONT.equals(event.getProperty())) {
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601 noteLabel.setFont(JFaceResources
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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602 .getFont(JFaceResources.BANNER_FONT));
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603 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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604 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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605 };
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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606 JFaceResources.getFontRegistry().addListener(fontListener);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
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607 noteLabel.addDisposeListener(new class DisposeListener {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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608 public void widgetDisposed(DisposeEvent event) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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609 JFaceResources.getFontRegistry().removeListener(fontListener);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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610 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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611 });
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
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612
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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613 Label messageLabel = new Label(messageComposite, SWT.WRAP);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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614 messageLabel.setText(message);
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Frank Benoit <benoit@tionex.de>
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615 messageLabel.setFont(font);
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616 return messageComposite;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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617 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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parents:
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618
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
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619 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
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620 * Returns the Apply button.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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621 *
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622 * @return the Apply button
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623 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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624 protected Button getApplyButton() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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625 return applyButton;
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626 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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627
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628 /**
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629 * Returns the Restore Defaults button.
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Frank Benoit <benoit@tionex.de>
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630 *
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631 * @return the Restore Defaults button
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632 */
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633 protected Button getDefaultsButton() {
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634 return defaultsButton;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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635 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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636
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Frank Benoit <benoit@tionex.de>
parents:
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637 /* (non-Javadoc)
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638 * @see org.eclipse.jface.dialogs.IDialogPage#performHelp()
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639 */
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640 public override void performHelp() {
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641 getControl().notifyListeners(SWT.Help, new Event());
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642 }
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parents:
diff changeset
643
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644 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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645 * Apply the data to the receiver. By default do nothing.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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646 * @param data
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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647 * @since 3.1
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
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648 */
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649 public void applyData(Object data) {
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650
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Frank Benoit <benoit@tionex.de>
parents:
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651 }
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parents:
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652
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
653 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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654 * @see org.eclipse.jface.dialogs.DialogPage#setErrorMessage(java.lang.String)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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655 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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656 public override void setErrorMessage(String newMessage) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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657 super.setErrorMessage(newMessage);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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658 if (getContainer() !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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diff changeset
659 getContainer().updateMessage();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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660 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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661 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
662
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
663 /* (non-Javadoc)
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
664 * @see org.eclipse.jface.dialogs.DialogPage#setMessage(java.lang.String, int)
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Frank Benoit <benoit@tionex.de>
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665 */
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parents:
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666 public override void setMessage(String newMessage, int newType) {
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667 super.setMessage(newMessage, newType);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
668 if (getContainer() !is null) {
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diff changeset
669 getContainer().updateMessage();
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670 }
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parents:
diff changeset
671 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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parents:
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672
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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673 }