Mercurial > projects > dwt-addons
annotate dwtx/jface/resource/JFaceResources.d @ 9:6c14e54dfc11
completed /jface/resource/
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 29 Mar 2008 02:25:12 +0100 |
parents | a3ff22a98bef |
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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; | |
9 | 18 import dwtx.jface.resource.ColorRegistry; |
19 import dwtx.jface.resource.FontDescriptor; | |
20 import dwtx.jface.resource.DeviceResourceManager; | |
21 import dwtx.jface.resource.ImageDescriptor; | |
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22 |
9 | 23 import tango.util.collection.HashMap; |
24 import tango.util.collection.model.Map; | |
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25 |
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26 import dwt.graphics.Font; |
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27 import dwt.graphics.Image; |
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28 import dwt.widgets.Display; |
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29 import dwtx.core.runtime.Assert; |
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30 import dwtx.jface.dialogs.Dialog; |
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31 import dwtx.jface.dialogs.TitleAreaDialog; |
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32 import dwtx.jface.preference.PreferenceDialog; |
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33 import dwtx.jface.wizard.Wizard; |
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34 |
9 | 35 import dwt.dwthelper.utils; |
36 import dwt.dwthelper.Runnable; | |
37 import dwt.dwthelper.ResourceBundle; | |
38 import tango.text.convert.Format; | |
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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 */ |
9 | 60 private const 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 */ |
9 | 66 private static Map!(Display,ResourceManager) registries; |
67 static this(){ | |
68 registries = new HashMap!(Display,ResourceManager); | |
69 } | |
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70 |
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71 /** |
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72 * The symbolic font name for the banner font (value |
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73 * <code>"dwtx.jface.bannerfont"</code>). |
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74 */ |
9 | 75 public static const String BANNER_FONT = "dwtx.jface.bannerfont"; //$NON-NLS-1$ |
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76 |
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77 /** |
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78 * The JFace resource bundle; eagerly initialized. |
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79 */ |
9 | 80 private static /+final+/ ResourceBundle bundle; |
81 static this(){ | |
82 bundle = ResourceBundle.getBundle("dwtx.jface.messages"); //$NON-NLS-1$ | |
83 } | |
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84 |
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85 /** |
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86 * The JFace color registry; <code>null</code> until lazily initialized or |
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87 * explicitly set. |
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88 */ |
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89 private static ColorRegistry colorRegistry; |
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90 |
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91 /** |
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92 * The symbolic font name for the standard font (value |
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93 * <code>"dwtx.jface.defaultfont"</code>). |
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94 */ |
9 | 95 public static const String DEFAULT_FONT = "dwtx.jface.defaultfont"; //$NON-NLS-1$ |
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96 |
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97 /** |
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98 * The symbolic font name for the dialog font (value |
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99 * <code>"dwtx.jface.dialogfont"</code>). |
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100 */ |
9 | 101 public static const String DIALOG_FONT = "dwtx.jface.dialogfont"; //$NON-NLS-1$ |
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102 |
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103 /** |
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104 * The JFace font registry; <code>null</code> until lazily initialized or |
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105 * explicitly set. |
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106 */ |
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107 private static FontRegistry fontRegistry = null; |
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108 |
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109 /** |
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110 * The symbolic font name for the header font (value |
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111 * <code>"dwtx.jface.headerfont"</code>). |
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112 */ |
9 | 113 public static const String HEADER_FONT = "dwtx.jface.headerfont"; //$NON-NLS-1$ |
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114 |
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115 /** |
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116 * The JFace image registry; <code>null</code> until lazily initialized. |
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117 */ |
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118 private static ImageRegistry imageRegistry = null; |
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119 |
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120 /** |
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121 * The symbolic font name for the text font (value |
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122 * <code>"dwtx.jface.textfont"</code>). |
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123 */ |
9 | 124 public static const String TEXT_FONT = "dwtx.jface.textfont"; //$NON-NLS-1$ |
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125 |
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126 /** |
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127 * The symbolic font name for the viewer font (value |
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128 * <code>"dwtx.jface.viewerfont"</code>). |
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129 * |
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130 * @deprecated This font is not in use |
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131 */ |
9 | 132 public static const String VIEWER_FONT = "dwtx.jface.viewerfont"; //$NON-NLS-1$ |
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133 |
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134 /** |
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135 * The symbolic font name for the window font (value |
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136 * <code>"dwtx.jface.windowfont"</code>). |
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137 * |
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138 * @deprecated This font is not in use |
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139 */ |
9 | 140 public static const String WINDOW_FONT = "dwtx.jface.windowfont"; //$NON-NLS-1$ |
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141 |
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142 /** |
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143 * Returns the formatted message for the given key in JFace's resource |
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144 * bundle. |
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145 * |
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146 * @param key |
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147 * the resource name |
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148 * @param args |
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149 * the message arguments |
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150 * @return the string |
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151 */ |
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152 public static String format(String key, Object[] args) { |
9 | 153 return Format(getString(key), args); |
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154 } |
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155 |
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156 /** |
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157 * Returns the JFace's banner font. Convenience method equivalent to |
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158 * |
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159 * <pre> |
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160 * JFaceResources.getFontRegistry().get(JFaceResources.BANNER_FONT) |
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161 * </pre> |
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162 * |
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163 * @return the font |
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164 */ |
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165 public static Font getBannerFont() { |
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166 return getFontRegistry().get(BANNER_FONT); |
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167 } |
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168 |
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169 /** |
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170 * Returns the resource bundle for JFace itself. The resouble bundle is |
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171 * obtained from |
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172 * <code>ResourceBundle.getBundle("dwtx.jface.jface_nls")</code>. |
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173 * <p> |
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174 * Note that several static convenience methods are also provided on this |
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175 * class for directly accessing resources in this bundle. |
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176 * </p> |
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177 * |
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178 * @return the resource bundle |
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179 */ |
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180 public static ResourceBundle getBundle() { |
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181 return bundle; |
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182 } |
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183 |
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184 /** |
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185 * Returns the color registry for JFace itself. |
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186 * <p> |
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187 * |
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188 * @return the <code>ColorRegistry</code>. |
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189 * @since 3.0 |
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190 */ |
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191 public static ColorRegistry getColorRegistry() { |
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192 if (colorRegistry is null) { |
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193 colorRegistry = new ColorRegistry(); |
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194 } |
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195 return colorRegistry; |
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196 } |
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197 |
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198 /** |
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199 * Returns the global resource manager for the given display |
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200 * |
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201 * @since 3.1 |
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202 * |
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203 * @param toQuery |
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204 * display to query |
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205 * @return the global resource manager for the given display |
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206 */ |
9 | 207 public static ResourceManager getResources(Display toQuery) { |
208 ResourceManager reg = cast(ResourceManager) registries.get(toQuery); | |
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209 |
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210 if (reg is null) { |
9 | 211 toQuery.disposeExec(new class Runnable { |
212 DeviceResourceManager mgr; | |
213 this(){ | |
214 mgr = new DeviceResourceManager(toQuery); | |
215 reg = mgr; | |
216 registries.add(toQuery, reg); | |
217 } | |
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218 /* |
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219 * (non-Javadoc) |
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220 * |
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221 * @see java.lang.Runnable#run() |
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222 */ |
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223 public void run() { |
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224 mgr.dispose(); |
9 | 225 registries.removeKey(toQuery); |
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226 } |
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227 }); |
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228 } |
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229 |
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230 return reg; |
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231 } |
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232 |
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233 /** |
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234 * Returns the ResourceManager for the current display. May only be called |
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235 * from a UI thread. |
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236 * |
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237 * @since 3.1 |
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238 * |
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239 * @return the global ResourceManager for the current display |
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240 */ |
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241 public static ResourceManager getResources() { |
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242 return getResources(Display.getCurrent()); |
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243 } |
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244 |
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245 /** |
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246 * Returns JFace's standard font. Convenience method equivalent to |
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247 * |
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248 * <pre> |
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249 * JFaceResources.getFontRegistry().get(JFaceResources.DEFAULT_FONT) |
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250 * </pre> |
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251 * |
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252 * @return the font |
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253 */ |
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254 public static Font getDefaultFont() { |
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255 return getFontRegistry().defaultFont(); |
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256 } |
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257 |
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258 /** |
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259 * Returns the descriptor for JFace's standard font. Convenience method |
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260 * equivalent to |
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261 * |
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262 * <pre> |
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263 * JFaceResources.getFontRegistry().getDescriptor(JFaceResources.DEFAULT_FONT) |
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264 * </pre> |
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265 * |
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266 * @return the font |
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267 * @since 3.3 |
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268 */ |
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269 public static FontDescriptor getDefaultFontDescriptor() { |
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270 return getFontRegistry().defaultFontDescriptor(); |
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271 } |
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272 |
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273 /** |
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274 * Returns the JFace's dialog font. Convenience method equivalent to |
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275 * |
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276 * <pre> |
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277 * JFaceResources.getFontRegistry().get(JFaceResources.DIALOG_FONT) |
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278 * </pre> |
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279 * |
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280 * @return the font |
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281 */ |
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282 public static Font getDialogFont() { |
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283 return getFontRegistry().get(DIALOG_FONT); |
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284 } |
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285 |
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286 /** |
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287 * Returns the descriptor for JFace's dialog font. Convenience method |
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288 * equivalent to |
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289 * |
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290 * <pre> |
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291 * JFaceResources.getFontRegistry().getDescriptor(JFaceResources.DIALOG_FONT) |
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292 * </pre> |
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293 * |
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294 * @return the font |
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295 * @since 3.3 |
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296 */ |
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297 public static FontDescriptor getDialogFontDescriptor() { |
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298 return getFontRegistry().getDescriptor(DIALOG_FONT); |
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299 } |
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300 |
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301 /** |
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302 * Returns the font in JFace's font registry with the given symbolic font |
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303 * name. Convenience method equivalent to |
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304 * |
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305 * <pre> |
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306 * JFaceResources.getFontRegistry().get(symbolicName) |
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307 * </pre> |
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308 * |
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309 * If an error occurs, return the default font. |
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310 * |
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311 * @param symbolicName |
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312 * the symbolic font name |
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313 * @return the font |
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314 */ |
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315 public static Font getFont(String symbolicName) { |
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316 return getFontRegistry().get(symbolicName); |
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317 } |
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318 |
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319 /** |
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320 * Returns the font descriptor for in JFace's font registry with the given |
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321 * symbolic name. Convenience method equivalent to |
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322 * |
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323 * <pre> |
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324 * JFaceResources.getFontRegistry().getDescriptor(symbolicName) |
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325 * </pre> |
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326 * |
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327 * If an error occurs, return the default font. |
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328 * |
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329 * @param symbolicName |
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330 * the symbolic font name |
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331 * @return the font descriptor (never null) |
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332 * @since 3.3 |
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333 */ |
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334 public static FontDescriptor getFontDescriptor(String symbolicName) { |
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335 return getFontRegistry().getDescriptor(symbolicName); |
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336 } |
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337 |
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338 /** |
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339 * Returns the font registry for JFace itself. If the value has not been |
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340 * established by an earlier call to <code>setFontRegistry</code>, is it |
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341 * initialized to |
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342 * <code>new FontRegistry("dwtx.jface.resource.jfacefonts")</code>. |
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343 * <p> |
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344 * Note that several static convenience methods are also provided on this |
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345 * class for directly accessing JFace's standard fonts. |
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346 * </p> |
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347 * |
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348 * @return the JFace font registry |
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349 */ |
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350 public static FontRegistry getFontRegistry() { |
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351 if (fontRegistry is null) { |
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352 fontRegistry = new FontRegistry( |
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353 "dwtx.jface.resource.jfacefonts"); //$NON-NLS-1$ |
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354 } |
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355 return fontRegistry; |
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356 } |
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357 |
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358 /** |
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359 * Returns the JFace's header font. Convenience method equivalent to |
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360 * |
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361 * <pre> |
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362 * JFaceResources.getFontRegistry().get(JFaceResources.HEADER_FONT) |
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363 * </pre> |
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364 * |
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365 * @return the font |
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366 */ |
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367 public static Font getHeaderFont() { |
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368 return getFontRegistry().get(HEADER_FONT); |
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369 } |
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370 |
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371 /** |
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372 * Returns the descriptor for JFace's header font. Convenience method |
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373 * equivalent to |
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374 * |
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375 * <pre> |
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376 * JFaceResources.getFontRegistry().get(JFaceResources.HEADER_FONT) |
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377 * </pre> |
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378 * |
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379 * @return the font descriptor (never null) |
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380 * @since 3.3 |
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381 */ |
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382 public static FontDescriptor getHeaderFontDescriptor() { |
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383 return getFontRegistry().getDescriptor(HEADER_FONT); |
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384 } |
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385 |
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386 /** |
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387 * Returns the image in JFace's image registry with the given key, or |
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388 * <code>null</code> if none. Convenience method equivalent to |
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389 * |
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390 * <pre> |
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391 * JFaceResources.getImageRegistry().get(key) |
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392 * </pre> |
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393 * |
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394 * @param key |
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395 * the key |
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396 * @return the image, or <code>null</code> if none |
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397 */ |
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398 public static Image getImage(String key) { |
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399 return getImageRegistry().get(key); |
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400 } |
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401 |
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402 /** |
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403 * Returns the image registry for JFace itself. |
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404 * <p> |
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405 * Note that the static convenience method <code>getImage</code> is also |
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406 * provided on this class. |
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407 * </p> |
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408 * |
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409 * @return the JFace image registry |
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410 */ |
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411 public static ImageRegistry getImageRegistry() { |
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412 if (imageRegistry is null) { |
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413 imageRegistry = new ImageRegistry( |
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414 getResources(Display.getCurrent())); |
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415 initializeDefaultImages(); |
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416 } |
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417 return imageRegistry; |
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418 } |
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419 |
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420 /** |
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421 * Initialize default images in JFace's image registry. |
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422 * |
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423 */ |
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424 private static void initializeDefaultImages() { |
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425 |
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426 Object bundle = null; |
9 | 427 // DWT-Note: deactivated |
428 // try { | |
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429 // bundle = JFaceActivator.getBundle(); |
9 | 430 // } catch (NoClassDefFoundError exception) { |
431 // // Test to see if OSGI is present | |
432 // } | |
433 declareImage(bundle, Wizard.DEFAULT_IMAGE, ICONS_PATH ~ "page.gif", //$NON-NLS-1$ | |
434 Wizard.classinfo, "images/page.gif"); //$NON-NLS-1$ | |
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435 |
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436 // register default images for dialogs |
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437 declareImage(bundle, Dialog.DLG_IMG_MESSAGE_INFO, ICONS_PATH |
9 | 438 ~ "message_info.gif", Dialog.classinfo, "images/message_info.gif"); //$NON-NLS-1$ //$NON-NLS-2$ |
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439 declareImage(bundle, Dialog.DLG_IMG_MESSAGE_WARNING, ICONS_PATH |
9 | 440 ~ "message_warning.gif", Dialog.classinfo, //$NON-NLS-1$ |
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441 "images/message_warning.gif"); //$NON-NLS-1$ |
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442 declareImage(bundle, Dialog.DLG_IMG_MESSAGE_ERROR, ICONS_PATH |
9 | 443 ~ "message_error.gif", Dialog.classinfo, "images/message_error.gif");//$NON-NLS-1$ //$NON-NLS-2$ |
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444 declareImage(bundle, Dialog.DLG_IMG_HELP, ICONS_PATH |
9 | 445 ~ "help.gif", Dialog.classinfo, "images/help.gif");//$NON-NLS-1$ //$NON-NLS-2$ |
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446 declareImage( |
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447 bundle, |
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448 TitleAreaDialog.DLG_IMG_TITLE_BANNER, |
9 | 449 ICONS_PATH ~ "title_banner.png", TitleAreaDialog.classinfo, "images/title_banner.gif");//$NON-NLS-1$ //$NON-NLS-2$ |
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450 declareImage( |
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451 bundle, |
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452 PreferenceDialog.PREF_DLG_TITLE_IMG, |
9 | 453 ICONS_PATH ~ "pref_dialog_title.gif", PreferenceDialog.classinfo, "images/pref_dialog_title.gif");//$NON-NLS-1$ //$NON-NLS-2$ |
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454 |
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455 } |
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456 |
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457 /** |
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458 * Declares a JFace image given the path of the image file (relative to the |
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459 * JFace plug-in). This is a helper method that creates the image descriptor |
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460 * and passes it to the main <code>declareImage</code> method. |
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461 * |
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462 * @param bundle |
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463 * the {@link Bundle} or <code>null</code> of the Bundle cannot |
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464 * be found |
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465 * @param key |
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466 * the symbolic name of the image |
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467 * @param path |
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468 * the path of the image file relative to the base of the |
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469 * workbench plug-ins install directory |
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470 * @param fallback |
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471 * the {@link Class} where the fallback implementation of the |
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472 * image is relative to |
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473 * @param fallbackPath |
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474 * the path relative to the fallback {@link Class} |
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475 * |
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476 */ |
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477 private static final void declareImage(Object bundle, String key, |
9 | 478 String path, ClassInfo fallback, String fallbackPath) { |
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479 |
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480 |
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481 ImageDescriptor descriptor = null; |
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482 |
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483 if (bundle !is null) { |
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484 //FIXME |
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485 // URL url = FileLocator.find((Bundle) bundle, new Path(path), null); |
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486 // if (url !is null) |
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487 // descriptor = ImageDescriptor.createFromURL(url); |
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488 } |
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489 |
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490 // If we failed then load from the backup file |
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491 if (descriptor is null) |
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492 descriptor = ImageDescriptor.createFromFile(fallback, fallbackPath); |
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493 |
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494 imageRegistry.put(key, descriptor); |
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495 } |
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496 |
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497 /** |
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498 * Returns the resource object with the given key in JFace's resource |
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499 * bundle. If there isn't any value under the given key, the key is |
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500 * returned. |
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501 * |
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502 * @param key |
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503 * the resource name |
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504 * @return the string |
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505 */ |
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506 public static String getString(String key) { |
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507 try { |
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508 return bundle.getString(key); |
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509 } catch (MissingResourceException e) { |
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510 return key; |
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511 } |
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512 } |
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513 |
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514 /** |
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515 * Returns a list of string values corresponding to the given list of keys. |
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516 * The lookup is done with <code>getString</code>. The values are in the |
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517 * same order as the keys. |
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518 * |
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519 * @param keys |
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520 * a list of keys |
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521 * @return a list of corresponding string values |
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522 */ |
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523 public static String[] getStrings(String[] keys) { |
9 | 524 Assert.isTrue(keys.length > 0 ); |
525 int length_ = keys.length; | |
526 String[] result = new String[](length_); | |
527 for (int i = 0; i < length_; i++) { | |
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528 result[i] = getString(keys[i]); |
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529 } |
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530 return result; |
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531 } |
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532 |
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533 /** |
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534 * Returns JFace's text font. Convenience method equivalent to |
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535 * |
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536 * <pre> |
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537 * JFaceResources.getFontRegistry().get(JFaceResources.TEXT_FONT) |
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538 * </pre> |
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539 * |
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540 * @return the font |
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541 */ |
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542 public static Font getTextFont() { |
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543 return getFontRegistry().get(TEXT_FONT); |
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544 } |
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545 |
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546 /** |
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547 * Returns the descriptor for JFace's text font. Convenience method |
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548 * equivalent to |
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549 * |
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550 * <pre> |
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551 * JFaceResources.getFontRegistry().getDescriptor(JFaceResources.TEXT_FONT) |
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552 * </pre> |
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553 * |
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554 * @return the font descriptor (never null) |
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555 * @since 3.3 |
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556 */ |
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557 public static FontDescriptor getTextFontDescriptor() { |
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558 return getFontRegistry().getDescriptor(TEXT_FONT); |
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559 } |
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560 |
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561 /** |
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562 * Returns JFace's viewer font. Convenience method equivalent to |
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563 * |
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564 * <pre> |
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565 * JFaceResources.getFontRegistry().get(JFaceResources.VIEWER_FONT) |
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566 * </pre> |
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567 * |
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568 * @return the font |
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569 * @deprecated This font is not in use |
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570 */ |
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571 public static Font getViewerFont() { |
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572 return getFontRegistry().get(VIEWER_FONT); |
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573 } |
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574 |
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575 /** |
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576 * Sets JFace's font registry to the given value. This method may only be |
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577 * called once; the call must occur before |
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578 * <code>JFaceResources.getFontRegistry</code> is invoked (either directly |
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579 * or indirectly). |
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580 * |
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581 * @param registry |
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582 * a font registry |
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583 */ |
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584 public static void setFontRegistry(FontRegistry registry) { |
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585 Assert.isTrue(fontRegistry is null, |
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586 "Font registry can only be set once."); //$NON-NLS-1$ |
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587 fontRegistry = registry; |
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588 } |
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589 |
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590 /* |
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591 * (non-Javadoc) Declare a private constructor to block instantiation. |
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592 */ |
9 | 593 private this() { |
7
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594 // no-op |
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595 } |
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596 } |