Mercurial > projects > dwt-addons
annotate dwtx/jface/resource/JFaceResources.d @ 7:8a302fdb4140
Jface some window and resource classes
author | Frank Benoit <benoit@tionex.de> |
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date | Fri, 28 Mar 2008 23:32:40 +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 * 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; |
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16 |
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17 import dwt.dwthelper.utils; |
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18 public class JFaceResources { |
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19 public static const String DEFAULT_FONT = "dwtx.jface.defaultfont"; //$NON-NLS-1$ |
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20 public static FontRegistry getFontRegistry() ; |
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21 public static String getString(String key) ; |
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22 } |
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23 /++ |
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24 import java.text.MessageFormat; |
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25 import java.util.HashMap; |
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26 import java.util.Map; |
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27 import java.util.MissingResourceException; |
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28 import java.util.ResourceBundle; |
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29 |
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30 import dwt.graphics.Font; |
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31 import dwt.graphics.Image; |
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32 import dwt.widgets.Display; |
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33 import dwtx.core.runtime.Assert; |
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34 import dwtx.jface.dialogs.Dialog; |
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35 import dwtx.jface.dialogs.TitleAreaDialog; |
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36 import dwtx.jface.preference.PreferenceDialog; |
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37 import dwtx.jface.wizard.Wizard; |
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38 |
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39 /** |
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40 * Utility methods to access JFace-specific resources. |
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41 * <p> |
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42 * All methods declared on this class are static. This class cannot be |
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43 * instantiated. |
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44 * </p> |
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45 * <p> |
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46 * The following global state is also maintained by this class: |
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47 * <ul> |
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48 * <li>a font registry</li> |
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49 * <li>a color registry</li> |
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50 * <li>an image registry</li> |
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51 * <li>a resource bundle</li> |
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52 * </ul> |
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53 * </p> |
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54 */ |
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55 public class JFaceResources { |
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56 |
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57 /** |
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58 * The path to the icons in the resources. |
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59 */ |
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60 private final static String ICONS_PATH = "$nl$/icons/full/";//$NON-NLS-1$ |
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61 |
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62 /** |
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63 * Map of Display onto DeviceResourceManager. Holds all the resources for |
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64 * the associated display. |
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65 */ |
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66 private static final Map registries = new HashMap(); |
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67 |
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68 /** |
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69 * The symbolic font name for the banner font (value |
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70 * <code>"dwtx.jface.bannerfont"</code>). |
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71 */ |
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72 public static final String BANNER_FONT = "dwtx.jface.bannerfont"; //$NON-NLS-1$ |
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73 |
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74 /** |
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75 * The JFace resource bundle; eagerly initialized. |
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76 */ |
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77 private static final ResourceBundle bundle = ResourceBundle |
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78 .getBundle("dwtx.jface.messages"); //$NON-NLS-1$ |
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79 |
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80 /** |
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81 * The JFace color registry; <code>null</code> until lazily initialized or |
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82 * explicitly set. |
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83 */ |
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84 private static ColorRegistry colorRegistry; |
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85 |
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86 /** |
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87 * The symbolic font name for the standard font (value |
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88 * <code>"dwtx.jface.defaultfont"</code>). |
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89 */ |
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90 public static final String DEFAULT_FONT = "dwtx.jface.defaultfont"; //$NON-NLS-1$ |
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91 |
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92 /** |
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93 * The symbolic font name for the dialog font (value |
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94 * <code>"dwtx.jface.dialogfont"</code>). |
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95 */ |
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96 public static final String DIALOG_FONT = "dwtx.jface.dialogfont"; //$NON-NLS-1$ |
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97 |
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98 /** |
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99 * The JFace font registry; <code>null</code> until lazily initialized or |
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100 * explicitly set. |
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101 */ |
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102 private static FontRegistry fontRegistry = null; |
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103 |
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104 /** |
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105 * The symbolic font name for the header font (value |
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106 * <code>"dwtx.jface.headerfont"</code>). |
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107 */ |
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108 public static final String HEADER_FONT = "dwtx.jface.headerfont"; //$NON-NLS-1$ |
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109 |
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110 /** |
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111 * The JFace image registry; <code>null</code> until lazily initialized. |
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112 */ |
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113 private static ImageRegistry imageRegistry = null; |
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114 |
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115 /** |
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116 * The symbolic font name for the text font (value |
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117 * <code>"dwtx.jface.textfont"</code>). |
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118 */ |
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119 public static final String TEXT_FONT = "dwtx.jface.textfont"; //$NON-NLS-1$ |
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120 |
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121 /** |
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122 * The symbolic font name for the viewer font (value |
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123 * <code>"dwtx.jface.viewerfont"</code>). |
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124 * |
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125 * @deprecated This font is not in use |
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126 */ |
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127 public static final String VIEWER_FONT = "dwtx.jface.viewerfont"; //$NON-NLS-1$ |
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128 |
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129 /** |
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130 * The symbolic font name for the window font (value |
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131 * <code>"dwtx.jface.windowfont"</code>). |
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132 * |
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133 * @deprecated This font is not in use |
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134 */ |
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135 public static final String WINDOW_FONT = "dwtx.jface.windowfont"; //$NON-NLS-1$ |
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136 |
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137 /** |
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138 * Returns the formatted message for the given key in JFace's resource |
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139 * bundle. |
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140 * |
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141 * @param key |
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142 * the resource name |
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143 * @param args |
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144 * the message arguments |
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145 * @return the string |
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146 */ |
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147 public static String format(String key, Object[] args) { |
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148 return MessageFormat.format(getString(key), args); |
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149 } |
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150 |
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151 /** |
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152 * Returns the JFace's banner font. Convenience method equivalent to |
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153 * |
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154 * <pre> |
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155 * JFaceResources.getFontRegistry().get(JFaceResources.BANNER_FONT) |
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156 * </pre> |
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157 * |
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158 * @return the font |
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159 */ |
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160 public static Font getBannerFont() { |
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161 return getFontRegistry().get(BANNER_FONT); |
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162 } |
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163 |
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164 /** |
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165 * Returns the resource bundle for JFace itself. The resouble bundle is |
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166 * obtained from |
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167 * <code>ResourceBundle.getBundle("dwtx.jface.jface_nls")</code>. |
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168 * <p> |
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169 * Note that several static convenience methods are also provided on this |
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170 * class for directly accessing resources in this bundle. |
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171 * </p> |
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172 * |
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173 * @return the resource bundle |
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174 */ |
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175 public static ResourceBundle getBundle() { |
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176 return bundle; |
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177 } |
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178 |
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179 /** |
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180 * Returns the color registry for JFace itself. |
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181 * <p> |
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182 * |
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183 * @return the <code>ColorRegistry</code>. |
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184 * @since 3.0 |
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185 */ |
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186 public static ColorRegistry getColorRegistry() { |
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187 if (colorRegistry is null) { |
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188 colorRegistry = new ColorRegistry(); |
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189 } |
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190 return colorRegistry; |
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191 } |
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192 |
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193 /** |
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194 * Returns the global resource manager for the given display |
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195 * |
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196 * @since 3.1 |
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197 * |
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198 * @param toQuery |
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199 * display to query |
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200 * @return the global resource manager for the given display |
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201 */ |
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202 public static ResourceManager getResources(final Display toQuery) { |
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203 ResourceManager reg = (ResourceManager) registries.get(toQuery); |
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204 |
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205 if (reg is null) { |
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206 final DeviceResourceManager mgr = new DeviceResourceManager(toQuery); |
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207 reg = mgr; |
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208 registries.put(toQuery, reg); |
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209 toQuery.disposeExec(new Runnable() { |
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210 /* |
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211 * (non-Javadoc) |
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212 * |
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213 * @see java.lang.Runnable#run() |
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214 */ |
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215 public void run() { |
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216 mgr.dispose(); |
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217 registries.remove(toQuery); |
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218 } |
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219 }); |
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220 } |
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221 |
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222 return reg; |
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223 } |
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224 |
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225 /** |
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226 * Returns the ResourceManager for the current display. May only be called |
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227 * from a UI thread. |
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228 * |
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229 * @since 3.1 |
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230 * |
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231 * @return the global ResourceManager for the current display |
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232 */ |
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233 public static ResourceManager getResources() { |
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234 return getResources(Display.getCurrent()); |
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235 } |
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236 |
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237 /** |
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238 * Returns JFace's standard font. Convenience method equivalent to |
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239 * |
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240 * <pre> |
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241 * JFaceResources.getFontRegistry().get(JFaceResources.DEFAULT_FONT) |
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242 * </pre> |
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243 * |
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244 * @return the font |
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245 */ |
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246 public static Font getDefaultFont() { |
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247 return getFontRegistry().defaultFont(); |
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248 } |
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249 |
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250 /** |
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251 * Returns the descriptor for JFace's standard font. Convenience method |
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252 * equivalent to |
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253 * |
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254 * <pre> |
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255 * JFaceResources.getFontRegistry().getDescriptor(JFaceResources.DEFAULT_FONT) |
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256 * </pre> |
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257 * |
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258 * @return the font |
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259 * @since 3.3 |
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260 */ |
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261 public static FontDescriptor getDefaultFontDescriptor() { |
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262 return getFontRegistry().defaultFontDescriptor(); |
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263 } |
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264 |
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265 /** |
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266 * Returns the JFace's dialog font. Convenience method equivalent to |
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267 * |
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268 * <pre> |
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269 * JFaceResources.getFontRegistry().get(JFaceResources.DIALOG_FONT) |
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270 * </pre> |
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271 * |
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272 * @return the font |
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273 */ |
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274 public static Font getDialogFont() { |
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275 return getFontRegistry().get(DIALOG_FONT); |
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276 } |
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277 |
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278 /** |
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279 * Returns the descriptor for JFace's dialog font. Convenience method |
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280 * equivalent to |
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281 * |
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282 * <pre> |
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283 * JFaceResources.getFontRegistry().getDescriptor(JFaceResources.DIALOG_FONT) |
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284 * </pre> |
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285 * |
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286 * @return the font |
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287 * @since 3.3 |
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288 */ |
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289 public static FontDescriptor getDialogFontDescriptor() { |
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290 return getFontRegistry().getDescriptor(DIALOG_FONT); |
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291 } |
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292 |
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293 /** |
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294 * Returns the font in JFace's font registry with the given symbolic font |
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295 * name. Convenience method equivalent to |
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296 * |
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297 * <pre> |
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298 * JFaceResources.getFontRegistry().get(symbolicName) |
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299 * </pre> |
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300 * |
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301 * If an error occurs, return the default font. |
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302 * |
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303 * @param symbolicName |
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304 * the symbolic font name |
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305 * @return the font |
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306 */ |
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307 public static Font getFont(String symbolicName) { |
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308 return getFontRegistry().get(symbolicName); |
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309 } |
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310 |
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311 /** |
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312 * Returns the font descriptor for in JFace's font registry with the given |
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313 * symbolic name. Convenience method equivalent to |
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314 * |
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315 * <pre> |
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316 * JFaceResources.getFontRegistry().getDescriptor(symbolicName) |
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317 * </pre> |
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318 * |
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319 * If an error occurs, return the default font. |
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320 * |
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321 * @param symbolicName |
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322 * the symbolic font name |
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323 * @return the font descriptor (never null) |
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324 * @since 3.3 |
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325 */ |
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326 public static FontDescriptor getFontDescriptor(String symbolicName) { |
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327 return getFontRegistry().getDescriptor(symbolicName); |
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328 } |
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329 |
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330 /** |
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331 * Returns the font registry for JFace itself. If the value has not been |
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332 * established by an earlier call to <code>setFontRegistry</code>, is it |
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333 * initialized to |
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334 * <code>new FontRegistry("dwtx.jface.resource.jfacefonts")</code>. |
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335 * <p> |
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336 * Note that several static convenience methods are also provided on this |
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337 * class for directly accessing JFace's standard fonts. |
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338 * </p> |
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339 * |
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340 * @return the JFace font registry |
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341 */ |
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342 public static FontRegistry getFontRegistry() { |
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343 if (fontRegistry is null) { |
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344 fontRegistry = new FontRegistry( |
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345 "dwtx.jface.resource.jfacefonts"); //$NON-NLS-1$ |
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346 } |
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347 return fontRegistry; |
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348 } |
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349 |
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350 /** |
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351 * Returns the JFace's header font. Convenience method equivalent to |
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352 * |
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353 * <pre> |
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354 * JFaceResources.getFontRegistry().get(JFaceResources.HEADER_FONT) |
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355 * </pre> |
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356 * |
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357 * @return the font |
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358 */ |
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359 public static Font getHeaderFont() { |
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360 return getFontRegistry().get(HEADER_FONT); |
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361 } |
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362 |
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363 /** |
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364 * Returns the descriptor for JFace's header font. Convenience method |
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365 * equivalent to |
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366 * |
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367 * <pre> |
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368 * JFaceResources.getFontRegistry().get(JFaceResources.HEADER_FONT) |
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369 * </pre> |
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370 * |
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371 * @return the font descriptor (never null) |
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372 * @since 3.3 |
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373 */ |
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374 public static FontDescriptor getHeaderFontDescriptor() { |
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375 return getFontRegistry().getDescriptor(HEADER_FONT); |
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376 } |
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377 |
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378 /** |
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379 * Returns the image in JFace's image registry with the given key, or |
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380 * <code>null</code> if none. Convenience method equivalent to |
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381 * |
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382 * <pre> |
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383 * JFaceResources.getImageRegistry().get(key) |
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384 * </pre> |
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385 * |
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386 * @param key |
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387 * the key |
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388 * @return the image, or <code>null</code> if none |
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389 */ |
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390 public static Image getImage(String key) { |
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391 return getImageRegistry().get(key); |
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392 } |
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393 |
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394 /** |
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395 * Returns the image registry for JFace itself. |
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396 * <p> |
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397 * Note that the static convenience method <code>getImage</code> is also |
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398 * provided on this class. |
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399 * </p> |
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400 * |
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401 * @return the JFace image registry |
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402 */ |
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403 public static ImageRegistry getImageRegistry() { |
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404 if (imageRegistry is null) { |
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405 imageRegistry = new ImageRegistry( |
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406 getResources(Display.getCurrent())); |
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407 initializeDefaultImages(); |
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408 } |
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409 return imageRegistry; |
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410 } |
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411 |
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412 /** |
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413 * Initialize default images in JFace's image registry. |
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414 * |
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415 */ |
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416 private static void initializeDefaultImages() { |
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417 |
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418 Object bundle = null; |
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419 try { |
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420 //FIXME |
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421 // bundle = JFaceActivator.getBundle(); |
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422 } catch (NoClassDefFoundError exception) { |
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423 // Test to see if OSGI is present |
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424 } |
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425 declareImage(bundle, Wizard.DEFAULT_IMAGE, ICONS_PATH + "page.gif", //$NON-NLS-1$ |
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426 Wizard.class, "images/page.gif"); //$NON-NLS-1$ |
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427 |
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428 // register default images for dialogs |
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429 declareImage(bundle, Dialog.DLG_IMG_MESSAGE_INFO, ICONS_PATH |
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430 + "message_info.gif", Dialog.class, "images/message_info.gif"); //$NON-NLS-1$ //$NON-NLS-2$ |
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431 declareImage(bundle, Dialog.DLG_IMG_MESSAGE_WARNING, ICONS_PATH |
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432 + "message_warning.gif", Dialog.class, //$NON-NLS-1$ |
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433 "images/message_warning.gif"); //$NON-NLS-1$ |
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434 declareImage(bundle, Dialog.DLG_IMG_MESSAGE_ERROR, ICONS_PATH |
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435 + "message_error.gif", Dialog.class, "images/message_error.gif");//$NON-NLS-1$ //$NON-NLS-2$ |
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436 declareImage(bundle, Dialog.DLG_IMG_HELP, ICONS_PATH |
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437 + "help.gif", Dialog.class, "images/help.gif");//$NON-NLS-1$ //$NON-NLS-2$ |
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438 declareImage( |
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439 bundle, |
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440 TitleAreaDialog.DLG_IMG_TITLE_BANNER, |
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441 ICONS_PATH + "title_banner.png", TitleAreaDialog.class, "images/title_banner.gif");//$NON-NLS-1$ //$NON-NLS-2$ |
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442 declareImage( |
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443 bundle, |
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444 PreferenceDialog.PREF_DLG_TITLE_IMG, |
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445 ICONS_PATH + "pref_dialog_title.gif", PreferenceDialog.class, "images/pref_dialog_title.gif");//$NON-NLS-1$ //$NON-NLS-2$ |
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446 |
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447 } |
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448 |
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449 /** |
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450 * Declares a JFace image given the path of the image file (relative to the |
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451 * JFace plug-in). This is a helper method that creates the image descriptor |
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452 * and passes it to the main <code>declareImage</code> method. |
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453 * |
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454 * @param bundle |
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455 * the {@link Bundle} or <code>null</code> of the Bundle cannot |
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456 * be found |
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457 * @param key |
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458 * the symbolic name of the image |
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459 * @param path |
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460 * the path of the image file relative to the base of the |
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461 * workbench plug-ins install directory |
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462 * @param fallback |
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463 * the {@link Class} where the fallback implementation of the |
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464 * image is relative to |
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465 * @param fallbackPath |
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466 * the path relative to the fallback {@link Class} |
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467 * |
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468 */ |
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469 private static final void declareImage(Object bundle, String key, |
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470 String path, Class fallback, String fallbackPath) { |
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471 |
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472 |
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473 ImageDescriptor descriptor = null; |
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474 |
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475 if (bundle !is null) { |
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476 //FIXME |
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477 // URL url = FileLocator.find((Bundle) bundle, new Path(path), null); |
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478 // if (url !is null) |
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479 // descriptor = ImageDescriptor.createFromURL(url); |
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480 } |
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481 |
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482 // If we failed then load from the backup file |
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483 if (descriptor is null) |
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484 descriptor = ImageDescriptor.createFromFile(fallback, fallbackPath); |
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485 |
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486 imageRegistry.put(key, descriptor); |
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487 } |
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488 |
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489 /** |
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490 * Returns the resource object with the given key in JFace's resource |
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491 * bundle. If there isn't any value under the given key, the key is |
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492 * returned. |
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493 * |
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494 * @param key |
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495 * the resource name |
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496 * @return the string |
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497 */ |
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498 public static String getString(String key) { |
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499 try { |
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500 return bundle.getString(key); |
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501 } catch (MissingResourceException e) { |
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502 return key; |
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503 } |
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504 } |
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505 |
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506 /** |
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507 * Returns a list of string values corresponding to the given list of keys. |
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508 * The lookup is done with <code>getString</code>. The values are in the |
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509 * same order as the keys. |
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510 * |
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511 * @param keys |
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512 * a list of keys |
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513 * @return a list of corresponding string values |
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514 */ |
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515 public static String[] getStrings(String[] keys) { |
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516 Assert.isNotNull(keys); |
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517 int length = keys.length; |
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518 String[] result = new String[length]; |
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519 for (int i = 0; i < length; i++) { |
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520 result[i] = getString(keys[i]); |
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521 } |
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522 return result; |
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523 } |
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524 |
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525 /** |
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526 * Returns JFace's text font. Convenience method equivalent to |
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527 * |
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528 * <pre> |
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529 * JFaceResources.getFontRegistry().get(JFaceResources.TEXT_FONT) |
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530 * </pre> |
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531 * |
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532 * @return the font |
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533 */ |
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534 public static Font getTextFont() { |
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535 return getFontRegistry().get(TEXT_FONT); |
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536 } |
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537 |
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538 /** |
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539 * Returns the descriptor for JFace's text font. Convenience method |
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540 * equivalent to |
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541 * |
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542 * <pre> |
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543 * JFaceResources.getFontRegistry().getDescriptor(JFaceResources.TEXT_FONT) |
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544 * </pre> |
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545 * |
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546 * @return the font descriptor (never null) |
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547 * @since 3.3 |
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548 */ |
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549 public static FontDescriptor getTextFontDescriptor() { |
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550 return getFontRegistry().getDescriptor(TEXT_FONT); |
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551 } |
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552 |
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553 /** |
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554 * Returns JFace's viewer font. Convenience method equivalent to |
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555 * |
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556 * <pre> |
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557 * JFaceResources.getFontRegistry().get(JFaceResources.VIEWER_FONT) |
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558 * </pre> |
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559 * |
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560 * @return the font |
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561 * @deprecated This font is not in use |
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562 */ |
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563 public static Font getViewerFont() { |
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564 return getFontRegistry().get(VIEWER_FONT); |
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565 } |
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566 |
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567 /** |
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568 * Sets JFace's font registry to the given value. This method may only be |
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569 * called once; the call must occur before |
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570 * <code>JFaceResources.getFontRegistry</code> is invoked (either directly |
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571 * or indirectly). |
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572 * |
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573 * @param registry |
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574 * a font registry |
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575 */ |
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576 public static void setFontRegistry(FontRegistry registry) { |
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577 Assert.isTrue(fontRegistry is null, |
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578 "Font registry can only be set once."); //$NON-NLS-1$ |
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579 fontRegistry = registry; |
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580 } |
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581 |
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582 /* |
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583 * (non-Javadoc) Declare a private constructor to block instantiation. |
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584 */ |
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585 private JFaceResources() { |
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586 // no-op |
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587 } |
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588 } |
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589 ++/ |