Attachment 58807 Details for Bug 173302 – IEnablementVetoHolder property tester

[patch] IEnablementVetoHolder property tester

EnablementVetoHolder_Feb12_1.txt (text/plain), 5.63 KB, created by Andrew Ferguson

on 2007-02-12 17:58:37 EST

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Creator: Andrew Ferguson

Created: 2007-02-12 17:58:37 EST

Size: 5.63 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.ui.ide
>Index: plugin.xml
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.ui.ide/plugin.xml,v
>retrieving revision 1.167
>diff -u -r1.167 plugin.xml
>--- plugin.xml	5 Feb 2007 02:10:31 -0000	1.167
>+++ plugin.xml	12 Feb 2007 22:40:26 -0000
>@@ -536,7 +536,15 @@
>             name="%PropertyPages.project.reference"
>             >
>          <enabledWhen>
>-            <adapt type="org.eclipse.core.resources.IProject"/>
>+            <and>
>+               <test
>+                     args="org.eclipse.ui.propertypages.project.reference"
>+                     property="org.eclipse.core.expressions.notVetoed">
>+               </test>
>+               <adapt
>+                     type="org.eclipse.core.resources.IProject">
>+               </adapt>
>+            </and>
>          </enabledWhen>
>       </page>
>       <page
>#P org.eclipse.core.expressions
>Index: plugin.xml
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.core.expressions/plugin.xml,v
>retrieving revision 1.10
>diff -u -r1.10 plugin.xml
>--- plugin.xml	15 Jan 2007 09:37:17 -0000	1.10
>+++ plugin.xml	12 Feb 2007 22:40:35 -0000
>@@ -13,6 +13,13 @@
>               properties="product,isBundleInstalled"
>               class="org.eclipse.core.internal.expressions.propertytester.PlatformPropertyTester">
>         </propertyTester>
>+        <propertyTester
>+              class="org.eclipse.core.internal.expressions.EnablementVetoHolderPropertyTester"
>+              id="org.eclipse.core.expressions.EnablementVetoHolderPropertyTester"
>+              namespace="org.eclipse.core.expressions"
>+              properties="notVetoed"
>+              type="java.lang.Object">
>+        </propertyTester>
>      </extension>
> 
> </plugin>
>Index: src/org/eclipse/core/expressions/IEnablementVetoHolder.java
>===================================================================
>RCS file: src/org/eclipse/core/expressions/IEnablementVetoHolder.java
>diff -N src/org/eclipse/core/expressions/IEnablementVetoHolder.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/expressions/IEnablementVetoHolder.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,31 @@
>+/*******************************************************************************
>+ * Copyright (c) 2007 Symbian Software Systems and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Andrew Ferguson (Symbian) - Initial implementation
>+ *******************************************************************************/
>+package org.eclipse.core.expressions;
>+
>+/**
>+ * The org.eclipse.core.expressions.notVetoed test expression allows
>+ * the object being tested to register an Adapter for this interface type.
>+ * 
>+ * If the object being tested can be adapted to this interface type it will
>+ * be given the chance to veto the subexpression it appears in.
>+ * 
>+ * @since 3.3
>+ */
>+public interface IEnablementVetoHolder {
>+	/**
>+	 * Returns whether this veto holder chooses to veto the subexpression
>+	 * it appears in.
>+	 * @param id the id provided in the test expression
>+	 * @return whether this veto holder chooses to veto the subexpression
>+	 * it appears in.
>+	 */
>+	boolean vetoes(String id);
>+}
>Index: src/org/eclipse/core/internal/expressions/EnablementVetoHolderPropertyTester.java
>===================================================================
>RCS file: src/org/eclipse/core/internal/expressions/EnablementVetoHolderPropertyTester.java
>diff -N src/org/eclipse/core/internal/expressions/EnablementVetoHolderPropertyTester.java
>--- /dev/null	1 Jan 1970 00:00:00 -0000
>+++ src/org/eclipse/core/internal/expressions/EnablementVetoHolderPropertyTester.java	1 Jan 1970 00:00:00 -0000
>@@ -0,0 +1,48 @@
>+/*******************************************************************************
>+ * Copyright (c) 2007 Symbian Software Systems and others.
>+ * All rights reserved. This program and the accompanying materials
>+ * are made available under the terms of the Eclipse Public License v1.0
>+ * which accompanies this distribution, and is available at
>+ * http://www.eclipse.org/legal/epl-v10.html
>+ *
>+ * Contributors:
>+ * Andrew Ferguson (Symbian) - Initial implementation
>+ *******************************************************************************/
>+package org.eclipse.core.internal.expressions;
>+
>+import org.eclipse.core.runtime.Platform;
>+
>+import org.eclipse.core.expressions.IEnablementVetoHolder;
>+import org.eclipse.core.expressions.PropertyTester;
>+
>+/**
>+ * Tests whether the object under test
>+ * <ul>
>+ *  <li> can be Adapted to an IEnablementVetoHolder
>+ *  <li> does not veto any of the property IDs passed to it
>+ * </ul>
>+ * 
>+ * @since 3.3
>+ */
>+public class EnablementVetoHolderPropertyTester extends PropertyTester {
>+	public EnablementVetoHolderPropertyTester() {}
>+
>+	public boolean test(Object receiver,
>+			String property,
>+			Object[] args,
>+			Object expectedValue) {
>+		if(property.equals("notVetoed")) { //$NON-NLS-1$
>+			IEnablementVetoHolder evh;
>+			evh= (IEnablementVetoHolder) Platform.getAdapterManager().getAdapter(receiver, IEnablementVetoHolder.class);
>+			if(evh!=null) {
>+				for(int i=0; i<args.length; i++) {
>+					String vetoCandidateID = (String) args[i];
>+					if(evh.vetoes(vetoCandidateID)) {
>+						return false;
>+					}
>+				}
>+			}
>+		}
>+		return true;
>+	}
>+}

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Attachments on bug 173302: 58457 | 58807 | 58808 | 58810