Mercurial > projects > dwt-addons
annotate dwtx/jface/util/SafeRunnable.d @ 104:04b47443bb01
Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
These new wrappers now use the tango.util.containers instead of the tango.util.collections.
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Thu, 07 Aug 2008 15:01:33 +0200 |
| parents | 46a6e0e6ccd4 |
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| rev | line source |
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| 10 | 1 /******************************************************************************* |
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2 * Copyright (c) 2000, 2008 IBM Corporation and others. |
| 10 | 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 | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Chris Gross (schtoo@schtoo.com) - support for ISafeRunnableRunner 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.SafeRunnable; | |
| 16 | |
| 17 import dwtx.jface.util.ISafeRunnableRunner; | |
| 18 import dwtx.jface.util.SafeRunnableDialog; | |
| 19 import dwtx.jface.util.Policy; | |
| 20 import dwtx.core.runtime.ISafeRunnable; | |
| 21 import dwtx.core.runtime.IStatus; | |
| 22 import dwtx.core.runtime.OperationCanceledException; | |
| 23 import dwtx.core.runtime.Status; | |
| 24 import dwtx.jface.resource.JFaceResources; | |
| 25 | |
| 26 import dwt.dwthelper.utils; | |
| 27 import dwt.dwthelper.Runnable; | |
| 28 | |
| 29 /** | |
| 30 * Implements a default implementation of ISafeRunnable. The default | |
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31 * implementation of <code>handleException</code> opens a dialog to show any |
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32 * errors as they accumulate. |
| 10 | 33 * <p> |
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34 * This may be executed on any thread. |
| 10 | 35 */ |
| 36 public abstract class SafeRunnable : ISafeRunnable { | |
| 37 | |
| 38 private static bool ignoreErrors = false; | |
| 39 | |
| 40 private static ISafeRunnableRunner runner; | |
| 41 | |
| 42 private String message; | |
| 43 | |
| 44 /** | |
| 45 * Creates a new instance of SafeRunnable with a default error message. | |
| 46 */ | |
| 47 public this() { | |
| 48 // do nothing | |
| 49 } | |
| 50 | |
| 51 /** | |
| 52 * Creates a new instance of SafeRunnable with the given error message. | |
| 53 * | |
| 54 * @param message | |
| 55 * the error message to use | |
| 56 */ | |
| 57 public this(String message) { | |
| 58 this.message = message; | |
| 59 } | |
| 60 | |
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61 /* |
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62 * (non-Javadoc) |
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63 * |
| 10 | 64 * @see dwtx.core.runtime.ISafeRunnable#handleException(java.lang.Throwable) |
| 65 */ | |
| 66 public void handleException(Exception e) { | |
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67 // Workaround to avoid interactive error dialogs during |
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68 // automated testing |
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69 if (ignoreErrors) |
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70 return; |
| 10 | 71 |
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72 if (message is null) |
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73 message = JFaceResources.getString("SafeRunnable.errorMessage"); //$NON-NLS-1$ |
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74 |
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75 Policy.getStatusHandler().show( |
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76 new Status(IStatus.ERROR, Policy.JFACE, message, e), |
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77 JFaceResources.getString("SafeRunnable.errorMessage")); //$NON-NLS-1$ |
| 10 | 78 } |
| 79 | |
| 80 /** | |
| 81 * Flag to avoid interactive error dialogs during automated testing. | |
| 82 * | |
| 83 * @param flag | |
| 84 * @return true if errors should be ignored | |
| 85 * @deprecated use getIgnoreErrors() | |
| 86 */ | |
| 87 public static bool getIgnoreErrors(bool flag) { | |
| 88 return ignoreErrors; | |
| 89 } | |
| 90 | |
| 91 /** | |
| 92 * Flag to avoid interactive error dialogs during automated testing. | |
| 93 * | |
| 94 * @return true if errors should be ignored | |
| 95 * | |
| 96 * @since 3.0 | |
| 97 */ | |
| 98 public static bool getIgnoreErrors() { | |
| 99 return ignoreErrors; | |
| 100 } | |
| 101 | |
| 102 /** | |
| 103 * Flag to avoid interactive error dialogs during automated testing. | |
| 104 * | |
| 105 * @param flag | |
| 106 * set to true if errors should be ignored | |
| 107 */ | |
| 108 public static void setIgnoreErrors(bool flag) { | |
| 109 ignoreErrors = flag; | |
| 110 } | |
| 111 | |
| 112 /** | |
| 113 * Returns the safe runnable runner. | |
| 114 * | |
| 115 * @return the safe runnable runner | |
| 116 * | |
| 117 * @since 3.1 | |
| 118 */ | |
| 119 public static ISafeRunnableRunner getRunner() { | |
| 120 if (runner is null) { | |
| 121 runner = createDefaultRunner(); | |
| 122 } | |
| 123 return runner; | |
| 124 } | |
| 125 | |
| 126 /** | |
| 127 * Creates the default safe runnable runner. | |
| 128 * | |
| 129 * @return the default safe runnable runner | |
| 130 * @since 3.1 | |
| 131 */ | |
| 132 private static ISafeRunnableRunner createDefaultRunner() { | |
| 133 return new class ISafeRunnableRunner { | |
| 134 public void run(ISafeRunnable code) { | |
| 135 try { | |
| 136 code.run(); | |
| 137 } catch (Exception e) { | |
| 138 handleException(code, e); | |
| 139 // } catch (LinkageError e) { | |
| 140 // handleException(code, e); | |
| 141 } | |
| 142 } | |
| 143 | |
| 144 private void handleException(ISafeRunnable code, Exception e) { | |
| 145 if (!(cast(OperationCanceledException)e )) { | |
| 146 try { | |
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147 Policy.getLog() |
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148 .log( |
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149 new Status(IStatus.ERROR, Policy.JFACE, |
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150 IStatus.ERROR, |
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151 "Exception occurred", e)); //$NON-NLS-1$ |
| 10 | 152 } catch (Exception ex) { |
| 153 ExceptionPrintStackTrace(e); | |
| 154 } | |
| 155 } | |
| 156 code.handleException(e); | |
| 157 } | |
| 158 }; | |
| 159 } | |
| 160 | |
| 161 /** | |
| 162 * Sets the safe runnable runner. | |
| 163 * | |
| 164 * @param runner | |
| 165 * the runner to set, or <code>null</code> to reset to the | |
| 166 * default runner | |
| 167 * @since 3.1 | |
| 168 */ | |
| 169 public static void setRunner(ISafeRunnableRunner runner) { | |
| 170 SafeRunnable.runner = runner; | |
| 171 } | |
| 172 | |
| 173 /** | |
| 174 * Runs the given safe runnable using the safe runnable runner. This is a | |
| 175 * convenience method, equivalent to: | |
| 176 * <code>SafeRunnable.getRunner().run(runnable)</code>. | |
| 177 * | |
| 178 * @param runnable | |
| 179 * the runnable to run | |
| 180 * @since 3.1 | |
| 181 */ | |
| 182 public static void run(ISafeRunnable runnable) { | |
| 183 getRunner().run(runnable); | |
| 184 } | |
| 185 | |
| 186 } | |
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187 |
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188 import tango.core.Tuple; |
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189 import tango.core.Traits; |
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190 |
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191 class _DgSafeRunnableT(Dg,T...) : SafeRunnable { |
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192 |
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193 alias ParameterTupleOf!(Dg) DgArgs; |
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194 static assert( is(DgArgs == Tuple!(T)), |
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195 "Delegate args not correct" ); |
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196 |
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197 Dg dg; |
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198 T t; |
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199 |
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200 private this( Dg dg, T t ){ |
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201 this.dg = dg; |
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202 static if( T.length > 0 ){ |
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203 this.t = t; |
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204 } |
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205 } |
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206 |
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207 public void run( ){ |
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208 dg(t); |
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209 } |
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210 } |
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211 |
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212 public _DgSafeRunnableT!(Dg,T) dgSafeRunnable(Dg,T...)( Dg dg, T args ){ |
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213 return new _DgSafeRunnableT!(Dg,T)(dg,args); |
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214 } |