Mercurial > projects > dwt-addons
annotate dwtx/jface/util/Policy.d @ 71:4878bef4a38e
Some fixing
| author | Frank Benoit <benoit@tionex.de> |
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| date | Thu, 22 May 2008 04:03:58 +0200 |
| parents | 46a6e0e6ccd4 |
| children | 5df4896124c7 |
| rev | line source |
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| 4 | 1 /******************************************************************************* |
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2 * Copyright (c) 2004, 2008 IBM Corporation and others. |
| 4 | 3 * All rights reserved. This program and the accompanying materials |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 71 | 7 * |
| 4 | 8 * Contributors: |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Chris Gross (schtoo@schtoo.com) - support for ILogger added | |
| 11 * (bug 49497 [RCP] JFace dependency on dwtx.core.runtime enlarges standalone JFace applications) | |
| 12 * Port to the D programming language: | |
| 13 * Frank Benoit <benoit@tionex.de> | |
| 14 *******************************************************************************/ | |
| 15 module dwtx.jface.util.Policy; | |
| 16 | |
| 17 static import dwtx.core.runtime.Assert; | |
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18 import dwt.events.DisposeEvent; |
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19 import dwt.events.DisposeListener; |
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20 import dwt.widgets.Display; |
| 4 | 21 import dwtx.core.runtime.IStatus; |
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22 import dwtx.core.runtime.Status; |
| 4 | 23 import dwtx.jface.dialogs.AnimatorFactory; |
| 24 import dwtx.jface.dialogs.ErrorSupportProvider; | |
| 25 | |
| 71 | 26 import dwtx.jface.util.StatusHandler; |
| 4 | 27 import dwtx.jface.util.ILogger; |
| 28 | |
| 29 import dwt.dwthelper.utils; | |
| 71 | 30 import dwt.dwthelper.Runnable; |
| 4 | 31 import tango.io.Stdout; |
| 32 | |
| 33 /** | |
| 34 * The Policy class handles settings for behaviour, debug flags and logging | |
| 35 * within JFace. | |
| 36 * | |
| 37 * @since 3.0 | |
| 38 */ | |
| 39 public class Policy { | |
| 40 | |
| 41 /** | |
| 42 * Constant for the the default setting for debug options. | |
| 43 */ | |
| 44 public static const bool DEFAULT = false; | |
| 45 | |
| 46 /** | |
| 47 * The unique identifier of the JFace plug-in. | |
| 48 */ | |
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49 public static const String JFACE = "dwtx.jface"; //$NON-NLS-1$ |
| 4 | 50 |
| 51 private static ILogger log; | |
| 52 | |
| 53 private static Comparator viewerComparator; | |
| 54 | |
| 55 private static AnimatorFactory animatorFactory; | |
| 56 | |
| 57 /** | |
| 58 * A flag to indicate whether unparented dialogs should be checked. | |
| 59 */ | |
| 60 public static bool DEBUG_DIALOG_NO_PARENT = DEFAULT; | |
| 61 | |
| 62 /** | |
| 63 * A flag to indicate whether actions are being traced. | |
| 64 */ | |
| 65 public static bool TRACE_ACTIONS = DEFAULT; | |
| 66 | |
| 67 /** | |
| 68 * A flag to indicate whether toolbars are being traced. | |
| 69 */ | |
| 70 | |
| 71 public static bool TRACE_TOOLBAR = DEFAULT; | |
| 72 | |
| 73 private static ErrorSupportProvider errorSupportProvider; | |
| 74 | |
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75 private static StatusHandler statusHandler; |
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76 |
| 4 | 77 /** |
| 78 * Returns the dummy log to use if none has been set | |
| 79 */ | |
| 80 private static ILogger getDummyLog() { | |
| 81 return new class ILogger { | |
| 82 public void log(IStatus status) { | |
| 83 Stderr.formatln(status.getMessage()); | |
| 84 if (status.getException() !is null) { | |
| 85 auto e = status.getException(); | |
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86 Stderr.formatln( "Exception of type {} in {}({}): {}", e.classinfo.name, e.file, e.line, e.msg ); |
| 4 | 87 foreach( msg; e.info ){ |
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88 Stderr.formatln( " trc: {}", msg ); |
| 4 | 89 } |
| 90 // status.getException().printStackTrace(); | |
| 91 } | |
| 92 } | |
| 93 }; | |
| 94 } | |
| 95 | |
| 96 /** | |
| 97 * Sets the logger used by JFace to log errors. | |
| 98 * | |
| 99 * @param logger | |
| 100 * the logger to use, or <code>null</code> to use the default | |
| 101 * logger | |
| 102 * @since 3.1 | |
| 103 */ | |
| 104 public static void setLog(ILogger logger) { | |
| 105 log = logger; | |
| 106 } | |
| 107 | |
| 108 /** | |
| 109 * Returns the logger used by JFace to log errors. | |
| 110 * <p> | |
| 111 * The default logger prints the status to <code>System.err</code>. | |
| 112 * </p> | |
| 113 * | |
| 114 * @return the logger | |
| 115 * @since 3.1 | |
| 116 */ | |
| 117 public static ILogger getLog() { | |
| 118 if (log is null) { | |
| 119 log = getDummyLog(); | |
| 120 } | |
| 121 return log; | |
| 122 } | |
| 123 | |
| 124 /** | |
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125 * Sets the status handler used by JFace to handle statuses. |
| 71 | 126 * |
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127 * @param status |
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128 * the handler to use, or <code>null</code> to use the default |
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129 * one |
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130 * @since 3.4 |
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131 */ |
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132 public static void setStatusHandler(StatusHandler status) { |
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133 statusHandler = status; |
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134 } |
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135 |
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136 /** |
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137 * Returns the status handler used by JFace to handle statuses. |
| 71 | 138 * |
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139 * @return the status handler |
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140 * @since 3.4 |
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141 */ |
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142 public static StatusHandler getStatusHandler() { |
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143 if (statusHandler is null) { |
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144 statusHandler = getDummyStatusHandler(); |
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145 } |
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146 return statusHandler; |
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147 } |
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148 |
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149 private static StatusHandler getDummyStatusHandler() { |
| 71 | 150 return new class StatusHandler { |
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151 private SafeRunnableDialog dialog; |
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152 |
| 71 | 153 public void show(IStatus status, String title) { |
| 154 Runnable runnable = dgRunnable( (IStatus status_, SafeRunnableDialog* dialog_) { | |
| 155 if (*dialog_ is null || dialog_.getShell().isDisposed()) { | |
| 156 *dialog_ = new SafeRunnableDialog(status_); | |
| 157 *dialog_.create(); | |
| 158 *dialog_.getShell().addDisposeListener( | |
| 159 new class(dialog_) DisposeListener { | |
| 160 private SafeRunnableDialog* dialog__; | |
| 161 this( SafeRunnableDialog* a ){ | |
| 162 dialog__ = a; | |
| 163 } | |
| 164 public void widgetDisposed( | |
| 165 DisposeEvent e) { | |
| 166 *dialog__ = null; | |
| 167 } | |
| 168 }); | |
| 169 *dialog_.open(); | |
| 170 } else { | |
| 171 *dialog_.addStatus(status_); | |
| 172 *dialog_.refresh(); | |
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173 } |
| 71 | 174 }, status, &dialog); |
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175 if (Display.getCurrent() !is null) { |
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176 runnable.run(); |
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177 } else { |
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178 Display.getDefault().asyncExec(runnable); |
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179 } |
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180 } |
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181 }; |
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182 } |
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183 |
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184 /** |
| 4 | 185 * Return the default comparator used by JFace to sort strings. |
| 186 * | |
| 187 * @return a default comparator used by JFace to sort strings | |
| 188 */ | |
| 189 private static Comparator getDefaultComparator() { | |
| 190 return new class() Comparator { | |
| 191 /** | |
| 192 * Compares string s1 to string s2. | |
| 193 * | |
| 194 * @param s1 | |
| 195 * string 1 | |
| 196 * @param s2 | |
| 197 * string 2 | |
| 198 * @return Returns an integer value. Value is less than zero if | |
| 199 * source is less than target, value is zero if source and | |
| 200 * target are equal, value is greater than zero if source is | |
| 201 * greater than target. | |
| 202 * @exception ClassCastException | |
| 203 * the arguments cannot be cast to Strings. | |
| 204 */ | |
| 205 public int compare(Object s1, Object s2) { | |
| 206 auto a = (cast(ArrayWrapperString) s1).array; | |
| 207 auto b = (cast(ArrayWrapperString) s2).array; | |
| 208 return a < b; | |
| 209 } | |
| 210 }; | |
| 211 } | |
| 212 | |
| 213 /** | |
| 214 * Return the comparator used by JFace to sort strings. | |
| 215 * | |
| 216 * @return the comparator used by JFace to sort strings | |
| 217 * @since 3.2 | |
| 218 */ | |
| 219 public static Comparator getComparator() { | |
| 220 if (viewerComparator is null) { | |
| 221 viewerComparator = getDefaultComparator(); | |
| 222 } | |
| 223 return viewerComparator; | |
| 224 } | |
| 225 | |
| 226 /** | |
| 227 * Sets the comparator used by JFace to sort strings. | |
| 228 * | |
| 229 * @param comparator | |
| 230 * comparator used by JFace to sort strings | |
| 231 * @since 3.2 | |
| 232 */ | |
| 233 public static void setComparator(Comparator comparator) { | |
| 234 dwtx.core.runtime.Assert.Assert.isTrue(viewerComparator is null); | |
| 235 viewerComparator = comparator; | |
| 236 } | |
| 237 | |
| 238 /** | |
| 239 * Sets the animator factory used by JFace to create control animator | |
| 240 * instances. | |
| 241 * | |
| 242 * @param factory | |
| 243 * the AnimatorFactory to use. | |
| 244 * @since 3.2 | |
| 245 * @deprecated this is no longer in use as of 3.3 | |
| 246 */ | |
| 247 public static void setAnimatorFactory(AnimatorFactory factory) { | |
| 248 animatorFactory = factory; | |
| 249 } | |
| 250 | |
| 251 /** | |
| 252 * Returns the animator factory used by JFace to create control animator | |
| 253 * instances. | |
| 254 * | |
| 255 * @return the animator factory used to create control animator instances. | |
| 256 * @since 3.2 | |
| 257 * @deprecated this is no longer in use as of 3.3 | |
| 258 */ | |
| 259 public static AnimatorFactory getAnimatorFactory() { | |
| 260 if (animatorFactory is null) | |
| 261 animatorFactory = new AnimatorFactory(); | |
| 262 return animatorFactory; | |
| 263 } | |
| 264 | |
| 265 /** | |
| 266 * Set the error support provider for error dialogs. | |
| 267 * | |
| 268 * @param provider | |
| 269 * @since 3.3 | |
| 270 */ | |
| 271 public static void setErrorSupportProvider(ErrorSupportProvider provider) { | |
| 272 errorSupportProvider = provider; | |
| 273 } | |
| 274 | |
| 275 /** | |
| 276 * Return the ErrorSupportProvider for the receiver. | |
| 277 * | |
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278 * @return ErrorSupportProvider or <code>null</code> if this has not been |
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279 * set |
| 4 | 280 * @since 3.3 |
| 281 */ | |
| 282 public static ErrorSupportProvider getErrorSupportProvider() { | |
| 283 return errorSupportProvider; | |
| 284 } | |
| 285 | |
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286 /** |
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287 * Log the Exception to the logger. |
| 71 | 288 * |
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289 * @param exception |
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290 */ |
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291 public static void logException(Exception exception) { |
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292 getLog().log( |
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293 new Status(IStatus.ERROR, JFACE, exception |
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294 .getLocalizedMessage(), exception)); |
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295 |
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296 } |
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297 |
| 4 | 298 } |