Mercurial > projects > dwt-addons
annotate dwtx/jface/resource/JFaceResources.d @ 8:a3ff22a98bef
Dialog
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 29 Mar 2008 01:25:27 +0100 |
parents | 8a302fdb4140 |
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rev | line source |
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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 * 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.resource.JFaceResources; |
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14 |
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15 import dwtx.jface.resource.FontRegistry; |
8 | 16 import dwtx.jface.resource.ImageRegistry; |
17 import dwtx.jface.resource.ResourceManager; | |
18 | |
19 import dwt.graphics.Font; | |
20 import dwt.widgets.Display; | |
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21 |
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22 import dwt.dwthelper.utils; |
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23 public class JFaceResources { |
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24 public static const String DEFAULT_FONT = "dwtx.jface.defaultfont"; //$NON-NLS-1$ |
8 | 25 public static final String DIALOG_FONT = "dwtx.jface.dialogfont"; //$NON-NLS-1$ |
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26 public static FontRegistry getFontRegistry() ; |
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27 public static String getString(String key) ; |
8 | 28 public static Font getDialogFont() ; |
29 public static ImageRegistry getImageRegistry() ; | |
30 public static ResourceManager getResources(Display toQuery) ; | |
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31 } |
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32 /++ |
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33 import java.text.MessageFormat; |
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34 import java.util.HashMap; |
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35 import java.util.Map; |
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36 import java.util.MissingResourceException; |
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37 import java.util.ResourceBundle; |
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38 |
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39 import dwt.graphics.Font; |
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40 import dwt.graphics.Image; |
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41 import dwt.widgets.Display; |
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42 import dwtx.core.runtime.Assert; |
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43 import dwtx.jface.dialogs.Dialog; |
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44 import dwtx.jface.dialogs.TitleAreaDialog; |
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45 import dwtx.jface.preference.PreferenceDialog; |
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46 import dwtx.jface.wizard.Wizard; |
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47 |
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48 /** |
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49 * Utility methods to access JFace-specific resources. |
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50 * <p> |
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51 * All methods declared on this class are static. This class cannot be |
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52 * instantiated. |
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53 * </p> |
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54 * <p> |
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55 * The following global state is also maintained by this class: |
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56 * <ul> |
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57 * <li>a font registry</li> |
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58 * <li>a color registry</li> |
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59 * <li>an image registry</li> |
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60 * <li>a resource bundle</li> |
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61 * </ul> |
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62 * </p> |
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63 */ |
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64 public class JFaceResources { |
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65 |
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66 /** |
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67 * The path to the icons in the resources. |
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68 */ |
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69 private final static String ICONS_PATH = "$nl$/icons/full/";//$NON-NLS-1$ |
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70 |
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71 /** |
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72 * Map of Display onto DeviceResourceManager. Holds all the resources for |
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73 * the associated display. |
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74 */ |
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75 private static final Map registries = new HashMap(); |
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76 |
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77 /** |
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78 * The symbolic font name for the banner font (value |
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79 * <code>"dwtx.jface.bannerfont"</code>). |
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80 */ |
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81 public static final String BANNER_FONT = "dwtx.jface.bannerfont"; //$NON-NLS-1$ |
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82 |
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83 /** |
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84 * The JFace resource bundle; eagerly initialized. |
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85 */ |
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86 private static final ResourceBundle bundle = ResourceBundle |
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87 .getBundle("dwtx.jface.messages"); //$NON-NLS-1$ |
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88 |
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89 /** |
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90 * The JFace color registry; <code>null</code> until lazily initialized or |
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91 * explicitly set. |
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92 */ |
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93 private static ColorRegistry colorRegistry; |
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94 |
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95 /** |
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96 * The symbolic font name for the standard font (value |
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97 * <code>"dwtx.jface.defaultfont"</code>). |
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98 */ |
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99 public static final String DEFAULT_FONT = "dwtx.jface.defaultfont"; //$NON-NLS-1$ |
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100 |
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101 /** |
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102 * The symbolic font name for the dialog font (value |
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103 * <code>"dwtx.jface.dialogfont"</code>). |
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104 */ |
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105 public static final String DIALOG_FONT = "dwtx.jface.dialogfont"; //$NON-NLS-1$ |
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106 |
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107 /** |
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108 * The JFace font registry; <code>null</code> until lazily initialized or |
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109 * explicitly set. |
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110 */ |
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111 private static FontRegistry fontRegistry = null; |
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112 |
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113 /** |
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114 * The symbolic font name for the header font (value |
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115 * <code>"dwtx.jface.headerfont"</code>). |
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116 */ |
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117 public static final String HEADER_FONT = "dwtx.jface.headerfont"; //$NON-NLS-1$ |
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118 |
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119 /** |
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120 * The JFace image registry; <code>null</code> until lazily initialized. |
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121 */ |
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122 private static ImageRegistry imageRegistry = null; |
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123 |
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124 /** |
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125 * The symbolic font name for the text font (value |
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126 * <code>"dwtx.jface.textfont"</code>). |
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127 */ |
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128 public static final String TEXT_FONT = "dwtx.jface.textfont"; //$NON-NLS-1$ |
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129 |
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130 /** |
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131 * The symbolic font name for the viewer font (value |
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132 * <code>"dwtx.jface.viewerfont"</code>). |
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133 * |
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134 * @deprecated This font is not in use |
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135 */ |
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136 public static final String VIEWER_FONT = "dwtx.jface.viewerfont"; //$NON-NLS-1$ |
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137 |
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138 /** |
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139 * The symbolic font name for the window font (value |
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140 * <code>"dwtx.jface.windowfont"</code>). |
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141 * |
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142 * @deprecated This font is not in use |
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143 */ |
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144 public static final String WINDOW_FONT = "dwtx.jface.windowfont"; //$NON-NLS-1$ |
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145 |
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146 /** |
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147 * Returns the formatted message for the given key in JFace's resource |
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148 * bundle. |
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149 * |
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150 * @param key |
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151 * the resource name |
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152 * @param args |
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153 * the message arguments |
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154 * @return the string |
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155 */ |
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156 public static String format(String key, Object[] args) { |
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157 return MessageFormat.format(getString(key), args); |
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158 } |
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159 |
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160 /** |
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161 * Returns the JFace's banner font. Convenience method equivalent to |
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162 * |
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163 * <pre> |
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164 * JFaceResources.getFontRegistry().get(JFaceResources.BANNER_FONT) |
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165 * </pre> |
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166 * |
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167 * @return the font |
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168 */ |
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169 public static Font getBannerFont() { |
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170 return getFontRegistry().get(BANNER_FONT); |
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171 } |
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172 |
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173 /** |
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174 * Returns the resource bundle for JFace itself. The resouble bundle is |
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175 * obtained from |
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176 * <code>ResourceBundle.getBundle("dwtx.jface.jface_nls")</code>. |
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177 * <p> |
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178 * Note that several static convenience methods are also provided on this |
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179 * class for directly accessing resources in this bundle. |
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180 * </p> |
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181 * |
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182 * @return the resource bundle |
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183 */ |
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184 public static ResourceBundle getBundle() { |
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185 return bundle; |
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186 } |
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187 |
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188 /** |
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189 * Returns the color registry for JFace itself. |
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190 * <p> |
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191 * |
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192 * @return the <code>ColorRegistry</code>. |
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193 * @since 3.0 |
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194 */ |
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195 public static ColorRegistry getColorRegistry() { |
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196 if (colorRegistry is null) { |
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197 colorRegistry = new ColorRegistry(); |
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198 } |
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199 return colorRegistry; |
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200 } |
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201 |
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202 /** |
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203 * Returns the global resource manager for the given display |
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204 * |
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205 * @since 3.1 |
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206 * |
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207 * @param toQuery |
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208 * display to query |
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209 * @return the global resource manager for the given display |
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210 */ |
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211 public static ResourceManager getResources(final Display toQuery) { |
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212 ResourceManager reg = (ResourceManager) registries.get(toQuery); |
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213 |
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214 if (reg is null) { |
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215 final DeviceResourceManager mgr = new DeviceResourceManager(toQuery); |
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216 reg = mgr; |
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217 registries.put(toQuery, reg); |
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218 toQuery.disposeExec(new Runnable() { |
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219 /* |
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220 * (non-Javadoc) |
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221 * |
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222 * @see java.lang.Runnable#run() |
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223 */ |
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224 public void run() { |
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225 mgr.dispose(); |
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226 registries.remove(toQuery); |
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227 } |
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228 }); |
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229 } |
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230 |
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231 return reg; |
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232 } |
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233 |
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234 /** |
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235 * Returns the ResourceManager for the current display. May only be called |
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236 * from a UI thread. |
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237 * |
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238 * @since 3.1 |
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239 * |
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240 * @return the global ResourceManager for the current display |
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241 */ |
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242 public static ResourceManager getResources() { |
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243 return getResources(Display.getCurrent()); |
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244 } |
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245 |
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246 /** |
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247 * Returns JFace's standard font. Convenience method equivalent to |
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248 * |
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249 * <pre> |
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250 * JFaceResources.getFontRegistry().get(JFaceResources.DEFAULT_FONT) |
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251 * </pre> |
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252 * |
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253 * @return the font |
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254 */ |
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255 public static Font getDefaultFont() { |
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256 return getFontRegistry().defaultFont(); |
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257 } |
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258 |
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259 /** |
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260 * Returns the descriptor for JFace's standard font. Convenience method |
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261 * equivalent to |
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262 * |
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263 * <pre> |
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264 * JFaceResources.getFontRegistry().getDescriptor(JFaceResources.DEFAULT_FONT) |
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265 * </pre> |
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266 * |
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267 * @return the font |
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268 * @since 3.3 |
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269 */ |
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270 public static FontDescriptor getDefaultFontDescriptor() { |
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271 return getFontRegistry().defaultFontDescriptor(); |
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272 } |
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273 |
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274 /** |
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275 * Returns the JFace's dialog font. Convenience method equivalent to |
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276 * |
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277 * <pre> |
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278 * JFaceResources.getFontRegistry().get(JFaceResources.DIALOG_FONT) |
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279 * </pre> |
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280 * |
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281 * @return the font |
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282 */ |
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283 public static Font getDialogFont() { |
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284 return getFontRegistry().get(DIALOG_FONT); |
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285 } |
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286 |
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287 /** |
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288 * Returns the descriptor for JFace's dialog font. Convenience method |
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289 * equivalent to |
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290 * |
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291 * <pre> |
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292 * JFaceResources.getFontRegistry().getDescriptor(JFaceResources.DIALOG_FONT) |
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293 * </pre> |
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294 * |
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295 * @return the font |
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296 * @since 3.3 |
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297 */ |
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298 public static FontDescriptor getDialogFontDescriptor() { |
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299 return getFontRegistry().getDescriptor(DIALOG_FONT); |
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300 } |
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301 |
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302 /** |
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303 * Returns the font in JFace's font registry with the given symbolic font |
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304 * name. Convenience method equivalent to |
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305 * |
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306 * <pre> |
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307 * JFaceResources.getFontRegistry().get(symbolicName) |
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308 * </pre> |
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309 * |
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310 * If an error occurs, return the default font. |
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311 * |
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312 * @param symbolicName |
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313 * the symbolic font name |
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314 * @return the font |
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315 */ |
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316 public static Font getFont(String symbolicName) { |
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317 return getFontRegistry().get(symbolicName); |
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318 } |
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319 |
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320 /** |
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321 * Returns the font descriptor for in JFace's font registry with the given |
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322 * symbolic name. Convenience method equivalent to |
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323 * |
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324 * <pre> |
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325 * JFaceResources.getFontRegistry().getDescriptor(symbolicName) |
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326 * </pre> |
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327 * |
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328 * If an error occurs, return the default font. |
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329 * |
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330 * @param symbolicName |
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331 * the symbolic font name |
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332 * @return the font descriptor (never null) |
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333 * @since 3.3 |
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334 */ |
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335 public static FontDescriptor getFontDescriptor(String symbolicName) { |
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336 return getFontRegistry().getDescriptor(symbolicName); |
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337 } |
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338 |
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339 /** |
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340 * Returns the font registry for JFace itself. If the value has not been |
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341 * established by an earlier call to <code>setFontRegistry</code>, is it |
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342 * initialized to |
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343 * <code>new FontRegistry("dwtx.jface.resource.jfacefonts")</code>. |
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344 * <p> |
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345 * Note that several static convenience methods are also provided on this |
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346 * class for directly accessing JFace's standard fonts. |
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347 * </p> |
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348 * |
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349 * @return the JFace font registry |
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350 */ |
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351 public static FontRegistry getFontRegistry() { |
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352 if (fontRegistry is null) { |
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353 fontRegistry = new FontRegistry( |
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354 "dwtx.jface.resource.jfacefonts"); //$NON-NLS-1$ |
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355 } |
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356 return fontRegistry; |
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357 } |
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358 |
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359 /** |
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360 * Returns the JFace's header font. Convenience method equivalent to |
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361 * |
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362 * <pre> |
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363 * JFaceResources.getFontRegistry().get(JFaceResources.HEADER_FONT) |
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364 * </pre> |
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365 * |
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366 * @return the font |
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367 */ |
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368 public static Font getHeaderFont() { |
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369 return getFontRegistry().get(HEADER_FONT); |
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370 } |
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371 |
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372 /** |
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373 * Returns the descriptor for JFace's header font. Convenience method |
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374 * equivalent to |
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375 * |
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376 * <pre> |
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377 * JFaceResources.getFontRegistry().get(JFaceResources.HEADER_FONT) |
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378 * </pre> |
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379 * |
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380 * @return the font descriptor (never null) |
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381 * @since 3.3 |
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382 */ |
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383 public static FontDescriptor getHeaderFontDescriptor() { |
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384 return getFontRegistry().getDescriptor(HEADER_FONT); |
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385 } |
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386 |
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387 /** |
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388 * Returns the image in JFace's image registry with the given key, or |
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389 * <code>null</code> if none. Convenience method equivalent to |
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390 * |
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391 * <pre> |
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392 * JFaceResources.getImageRegistry().get(key) |
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393 * </pre> |
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394 * |
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395 * @param key |
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396 * the key |
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397 * @return the image, or <code>null</code> if none |
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398 */ |
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399 public static Image getImage(String key) { |
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400 return getImageRegistry().get(key); |
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401 } |
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402 |
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403 /** |
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404 * Returns the image registry for JFace itself. |
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405 * <p> |
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406 * Note that the static convenience method <code>getImage</code> is also |
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407 * provided on this class. |
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408 * </p> |
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409 * |
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410 * @return the JFace image registry |
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411 */ |
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412 public static ImageRegistry getImageRegistry() { |
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413 if (imageRegistry is null) { |
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414 imageRegistry = new ImageRegistry( |
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415 getResources(Display.getCurrent())); |
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416 initializeDefaultImages(); |
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417 } |
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418 return imageRegistry; |
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419 } |
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420 |
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421 /** |
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422 * Initialize default images in JFace's image registry. |
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423 * |
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424 */ |
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425 private static void initializeDefaultImages() { |
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426 |
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427 Object bundle = null; |
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428 try { |
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429 //FIXME |
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430 // bundle = JFaceActivator.getBundle(); |
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431 } catch (NoClassDefFoundError exception) { |
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432 // Test to see if OSGI is present |
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433 } |
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434 declareImage(bundle, Wizard.DEFAULT_IMAGE, ICONS_PATH + "page.gif", //$NON-NLS-1$ |
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435 Wizard.class, "images/page.gif"); //$NON-NLS-1$ |
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436 |
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437 // register default images for dialogs |
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438 declareImage(bundle, Dialog.DLG_IMG_MESSAGE_INFO, ICONS_PATH |
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439 + "message_info.gif", Dialog.class, "images/message_info.gif"); //$NON-NLS-1$ //$NON-NLS-2$ |
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440 declareImage(bundle, Dialog.DLG_IMG_MESSAGE_WARNING, ICONS_PATH |
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441 + "message_warning.gif", Dialog.class, //$NON-NLS-1$ |
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442 "images/message_warning.gif"); //$NON-NLS-1$ |
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443 declareImage(bundle, Dialog.DLG_IMG_MESSAGE_ERROR, ICONS_PATH |
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444 + "message_error.gif", Dialog.class, "images/message_error.gif");//$NON-NLS-1$ //$NON-NLS-2$ |
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445 declareImage(bundle, Dialog.DLG_IMG_HELP, ICONS_PATH |
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446 + "help.gif", Dialog.class, "images/help.gif");//$NON-NLS-1$ //$NON-NLS-2$ |
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447 declareImage( |
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448 bundle, |
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449 TitleAreaDialog.DLG_IMG_TITLE_BANNER, |
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450 ICONS_PATH + "title_banner.png", TitleAreaDialog.class, "images/title_banner.gif");//$NON-NLS-1$ //$NON-NLS-2$ |
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451 declareImage( |
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452 bundle, |
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453 PreferenceDialog.PREF_DLG_TITLE_IMG, |
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454 ICONS_PATH + "pref_dialog_title.gif", PreferenceDialog.class, "images/pref_dialog_title.gif");//$NON-NLS-1$ //$NON-NLS-2$ |
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455 |
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456 } |
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457 |
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458 /** |
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459 * Declares a JFace image given the path of the image file (relative to the |
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460 * JFace plug-in). This is a helper method that creates the image descriptor |
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461 * and passes it to the main <code>declareImage</code> method. |
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462 * |
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463 * @param bundle |
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464 * the {@link Bundle} or <code>null</code> of the Bundle cannot |
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465 * be found |
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466 * @param key |
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467 * the symbolic name of the image |
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468 * @param path |
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469 * the path of the image file relative to the base of the |
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470 * workbench plug-ins install directory |
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471 * @param fallback |
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472 * the {@link Class} where the fallback implementation of the |
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473 * image is relative to |
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474 * @param fallbackPath |
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475 * the path relative to the fallback {@link Class} |
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476 * |
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477 */ |
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478 private static final void declareImage(Object bundle, String key, |
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479 String path, Class fallback, String fallbackPath) { |
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480 |
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481 |
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482 ImageDescriptor descriptor = null; |
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483 |
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484 if (bundle !is null) { |
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485 //FIXME |
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486 // URL url = FileLocator.find((Bundle) bundle, new Path(path), null); |
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487 // if (url !is null) |
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488 // descriptor = ImageDescriptor.createFromURL(url); |
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489 } |
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490 |
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491 // If we failed then load from the backup file |
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492 if (descriptor is null) |
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493 descriptor = ImageDescriptor.createFromFile(fallback, fallbackPath); |
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494 |
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495 imageRegistry.put(key, descriptor); |
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496 } |
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497 |
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498 /** |
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499 * Returns the resource object with the given key in JFace's resource |
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500 * bundle. If there isn't any value under the given key, the key is |
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501 * returned. |
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502 * |
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503 * @param key |
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504 * the resource name |
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505 * @return the string |
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506 */ |
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507 public static String getString(String key) { |
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508 try { |
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509 return bundle.getString(key); |
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510 } catch (MissingResourceException e) { |
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511 return key; |
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512 } |
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513 } |
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514 |
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515 /** |
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516 * Returns a list of string values corresponding to the given list of keys. |
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517 * The lookup is done with <code>getString</code>. The values are in the |
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518 * same order as the keys. |
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519 * |
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520 * @param keys |
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521 * a list of keys |
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522 * @return a list of corresponding string values |
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523 */ |
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524 public static String[] getStrings(String[] keys) { |
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525 Assert.isNotNull(keys); |
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526 int length = keys.length; |
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527 String[] result = new String[length]; |
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528 for (int i = 0; i < length; i++) { |
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529 result[i] = getString(keys[i]); |
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530 } |
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531 return result; |
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532 } |
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533 |
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534 /** |
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535 * Returns JFace's text font. Convenience method equivalent to |
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536 * |
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537 * <pre> |
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538 * JFaceResources.getFontRegistry().get(JFaceResources.TEXT_FONT) |
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539 * </pre> |
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540 * |
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541 * @return the font |
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542 */ |
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543 public static Font getTextFont() { |
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544 return getFontRegistry().get(TEXT_FONT); |
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545 } |
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546 |
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547 /** |
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548 * Returns the descriptor for JFace's text font. Convenience method |
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549 * equivalent to |
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550 * |
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551 * <pre> |
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552 * JFaceResources.getFontRegistry().getDescriptor(JFaceResources.TEXT_FONT) |
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553 * </pre> |
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554 * |
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555 * @return the font descriptor (never null) |
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556 * @since 3.3 |
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557 */ |
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558 public static FontDescriptor getTextFontDescriptor() { |
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559 return getFontRegistry().getDescriptor(TEXT_FONT); |
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560 } |
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561 |
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562 /** |
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563 * Returns JFace's viewer font. Convenience method equivalent to |
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564 * |
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565 * <pre> |
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566 * JFaceResources.getFontRegistry().get(JFaceResources.VIEWER_FONT) |
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567 * </pre> |
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568 * |
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569 * @return the font |
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570 * @deprecated This font is not in use |
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571 */ |
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572 public static Font getViewerFont() { |
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573 return getFontRegistry().get(VIEWER_FONT); |
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574 } |
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575 |
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576 /** |
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577 * Sets JFace's font registry to the given value. This method may only be |
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578 * called once; the call must occur before |
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579 * <code>JFaceResources.getFontRegistry</code> is invoked (either directly |
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580 * or indirectly). |
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581 * |
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582 * @param registry |
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583 * a font registry |
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584 */ |
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585 public static void setFontRegistry(FontRegistry registry) { |
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586 Assert.isTrue(fontRegistry is null, |
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587 "Font registry can only be set once."); //$NON-NLS-1$ |
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588 fontRegistry = registry; |
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589 } |
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590 |
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591 /* |
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592 * (non-Javadoc) Declare a private constructor to block instantiation. |
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593 */ |
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594 private JFaceResources() { |
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595 // no-op |
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596 } |
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597 } |
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598 ++/ |