-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.browsing.ui.common.extension;\r
-\r
-import java.util.Arrays;\r
-import java.util.Collection;\r
-import java.util.HashSet;\r
-import java.util.Set;\r
-\r
-import org.eclipse.core.runtime.CoreException;\r
-import org.eclipse.core.runtime.IConfigurationElement;\r
-import org.eclipse.core.runtime.IExtension;\r
-import org.eclipse.core.runtime.IExtensionPoint;\r
-import org.eclipse.core.runtime.Platform;\r
-import org.eclipse.core.runtime.dynamichelpers.ExtensionTracker;\r
-import org.eclipse.core.runtime.dynamichelpers.IExtensionChangeHandler;\r
-import org.eclipse.core.runtime.dynamichelpers.IExtensionTracker;\r
-import org.eclipse.core.runtime.dynamichelpers.IFilter;\r
-import org.simantics.browsing.ui.common.Activator;\r
-import org.simantics.browsing.ui.common.extension.internal.EvaluatorBindingExtension;\r
-import org.simantics.browsing.ui.common.extension.internal.EvaluatorImplementationBinding;\r
-import org.simantics.browsing.ui.common.extension.internal.EvaluatorReferenceBinding;\r
-import org.simantics.utils.strings.StringUtils;\r
-\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public class EvaluatorBindingExtensionManager implements IExtensionChangeHandler {\r
-\r
- private final static String NAMESPACE = Activator.PLUGIN_ID;\r
-\r
- private final static String EP_NAME = "evaluatorBinding";\r
-\r
- private ExtensionTracker tracker;\r
-\r
- private EvaluatorBindingExtension[] extensions = new EvaluatorBindingExtension[0];\r
-\r
- private static EvaluatorBindingExtensionManager INSTANCE;\r
-\r
-\r
- public static synchronized EvaluatorBindingExtensionManager getInstance() {\r
- if (INSTANCE == null)\r
- INSTANCE = new EvaluatorBindingExtensionManager();\r
- return INSTANCE;\r
- }\r
-\r
- public static synchronized void dispose() {\r
- if (INSTANCE != null) {\r
- INSTANCE.close();\r
- INSTANCE = null;\r
- }\r
- }\r
-\r
-\r
- private EvaluatorBindingExtensionManager() {\r
- tracker = new ExtensionTracker();\r
-\r
- // Cache defined actions\r
- IExtensionPoint expt = Platform.getExtensionRegistry().getExtensionPoint(NAMESPACE, EP_NAME);\r
- loadExtensions(expt.getConfigurationElements());\r
-\r
- // Start tracking for new and removed extensions\r
- IFilter filter = ExtensionTracker.createExtensionPointFilter(expt);\r
- tracker.registerHandler(this, filter);\r
- }\r
-\r
- private void close() {\r
- tracker.close();\r
- tracker = null;\r
- extensions = new EvaluatorBindingExtension[0];\r
- }\r
-\r
- public EvaluatorBindingExtension[] getExtensions() {\r
- return extensions;\r
- }\r
-\r
- private void loadExtensions(IConfigurationElement[] elements) {\r
-\r
- Set<EvaluatorBindingExtension> newExtensions = new HashSet<EvaluatorBindingExtension>(Arrays.asList(extensions));\r
-\r
- for (IConfigurationElement el : elements) {\r
-\r
- String browseContext = StringUtils.safeString(el.getAttribute("browseContext"));\r
-\r
- for(IConfigurationElement child : el.getChildren("reference")) {\r
-\r
- String factoryId = StringUtils.safeString(child.getAttribute("id"));\r
- EvaluatorBindingExtension ext = new EvaluatorReferenceBinding(browseContext, factoryId);\r
-\r
- // Start tracking the new extension object, its removal will be notified of\r
- // with removeExtension(extension, Object[]).\r
- tracker.registerObject(el.getDeclaringExtension(), ext, IExtensionTracker.REF_STRONG);\r
-\r
- newExtensions.add(ext);\r
-\r
- }\r
-\r
- for(IConfigurationElement child : el.getChildren("implementation")) {\r
-\r
- try {\r
-\r
- EvaluatorFactory factory = (EvaluatorFactory)child.createExecutableExtension("class");\r
- EvaluatorBindingExtension ext = new EvaluatorImplementationBinding(browseContext, factory);\r
-\r
- // Start tracking the new extension object, its removal will be notified of\r
- // with removeExtension(extension, Object[]).\r
- tracker.registerObject(el.getDeclaringExtension(), ext, IExtensionTracker.REF_STRONG);\r
-\r
- newExtensions.add(ext);\r
-\r
- } catch (CoreException e) {\r
-\r
- System.out.println(" == Could not load ViewpointContributionFactory '" + child.getAttribute("class") + "' due to the following error: " + e.getMessage() );\r
-\r
- }\r
-\r
- }\r
-\r
- }\r
-\r
- // Atomic assignment\r
- this.extensions = newExtensions.toArray(new EvaluatorBindingExtension[newExtensions.size()]);\r
- }\r
-\r
- @Override\r
- public void addExtension(IExtensionTracker tracker, IExtension extension) {\r
- loadExtensions(extension.getConfigurationElements());\r
- }\r
-\r
- @Override\r
- public void removeExtension(IExtension extension, Object[] objects) {\r
- Set<EvaluatorBindingExtension> newExtensions = new HashSet<EvaluatorBindingExtension>(Arrays.asList(extensions));\r
-\r
- for (Object o : objects) {\r
- tracker.unregisterObject(extension, o);\r
- newExtensions.remove(o);\r
- }\r
-\r
- // Atomic assignment\r
- this.extensions = newExtensions.toArray(new EvaluatorBindingExtension[newExtensions.size()]);\r
- }\r
-\r
- public Collection<EvaluatorFactory> getBoundFactories(Set<String> browseContexts) {\r
-\r
-// ArrayList<EvaluatorFactory> result = new ArrayList<EvaluatorFactory>();\r
-// for(EvaluatorBindingExtension binding : getExtensions()) {\r
-// if(browseContexts.contains(binding.browserId())) {\r
-// EvaluatorFactory factory = EvaluatorFactoryExtensionManager.getFactory(binding.factoryId());\r
-// result.add(factory);\r
-// }\r
-// }\r
-// return result;\r
-\r
- HashSet<EvaluatorFactory> result = new HashSet<EvaluatorFactory>();\r
-\r
- for(EvaluatorBindingExtension binding : getExtensions()) {\r
- if(browseContexts.contains(binding.getBrowseContext())) {\r
- EvaluatorFactory factory = binding.getFactory();\r
- if(factory != null) {\r
-// System.out.println("----------- Plugin contribution " + binding.getFactory());\r
- result.add(factory);\r
- } else {\r
-// System.out.println("FAILED: ----------- No factory for " + binding);\r
- }\r
-\r
- }\r
- }\r
-\r
- return result;\r
-\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.common.extension;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.IExtension;
+import org.eclipse.core.runtime.IExtensionPoint;
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.core.runtime.dynamichelpers.ExtensionTracker;
+import org.eclipse.core.runtime.dynamichelpers.IExtensionChangeHandler;
+import org.eclipse.core.runtime.dynamichelpers.IExtensionTracker;
+import org.eclipse.core.runtime.dynamichelpers.IFilter;
+import org.simantics.browsing.ui.common.Activator;
+import org.simantics.browsing.ui.common.extension.internal.EvaluatorBindingExtension;
+import org.simantics.browsing.ui.common.extension.internal.EvaluatorImplementationBinding;
+import org.simantics.browsing.ui.common.extension.internal.EvaluatorReferenceBinding;
+import org.simantics.utils.strings.StringUtils;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class EvaluatorBindingExtensionManager implements IExtensionChangeHandler {
+
+ private final static String NAMESPACE = Activator.PLUGIN_ID;
+
+ private final static String EP_NAME = "evaluatorBinding";
+
+ private ExtensionTracker tracker;
+
+ private EvaluatorBindingExtension[] extensions = new EvaluatorBindingExtension[0];
+
+ private static EvaluatorBindingExtensionManager INSTANCE;
+
+
+ public static synchronized EvaluatorBindingExtensionManager getInstance() {
+ if (INSTANCE == null)
+ INSTANCE = new EvaluatorBindingExtensionManager();
+ return INSTANCE;
+ }
+
+ public static synchronized void dispose() {
+ if (INSTANCE != null) {
+ INSTANCE.close();
+ INSTANCE = null;
+ }
+ }
+
+
+ private EvaluatorBindingExtensionManager() {
+ tracker = new ExtensionTracker();
+
+ // Cache defined actions
+ IExtensionPoint expt = Platform.getExtensionRegistry().getExtensionPoint(NAMESPACE, EP_NAME);
+ loadExtensions(expt.getConfigurationElements());
+
+ // Start tracking for new and removed extensions
+ IFilter filter = ExtensionTracker.createExtensionPointFilter(expt);
+ tracker.registerHandler(this, filter);
+ }
+
+ private void close() {
+ tracker.close();
+ tracker = null;
+ extensions = new EvaluatorBindingExtension[0];
+ }
+
+ public EvaluatorBindingExtension[] getExtensions() {
+ return extensions;
+ }
+
+ private void loadExtensions(IConfigurationElement[] elements) {
+
+ Set<EvaluatorBindingExtension> newExtensions = new HashSet<EvaluatorBindingExtension>(Arrays.asList(extensions));
+
+ for (IConfigurationElement el : elements) {
+
+ String browseContext = StringUtils.safeString(el.getAttribute("browseContext"));
+
+ for(IConfigurationElement child : el.getChildren("reference")) {
+
+ String factoryId = StringUtils.safeString(child.getAttribute("id"));
+ EvaluatorBindingExtension ext = new EvaluatorReferenceBinding(browseContext, factoryId);
+
+ // Start tracking the new extension object, its removal will be notified of
+ // with removeExtension(extension, Object[]).
+ tracker.registerObject(el.getDeclaringExtension(), ext, IExtensionTracker.REF_STRONG);
+
+ newExtensions.add(ext);
+
+ }
+
+ for(IConfigurationElement child : el.getChildren("implementation")) {
+
+ try {
+
+ EvaluatorFactory factory = (EvaluatorFactory)child.createExecutableExtension("class");
+ EvaluatorBindingExtension ext = new EvaluatorImplementationBinding(browseContext, factory);
+
+ // Start tracking the new extension object, its removal will be notified of
+ // with removeExtension(extension, Object[]).
+ tracker.registerObject(el.getDeclaringExtension(), ext, IExtensionTracker.REF_STRONG);
+
+ newExtensions.add(ext);
+
+ } catch (CoreException e) {
+
+ System.out.println(" == Could not load ViewpointContributionFactory '" + child.getAttribute("class") + "' due to the following error: " + e.getMessage() );
+
+ }
+
+ }
+
+ }
+
+ // Atomic assignment
+ this.extensions = newExtensions.toArray(new EvaluatorBindingExtension[newExtensions.size()]);
+ }
+
+ @Override
+ public void addExtension(IExtensionTracker tracker, IExtension extension) {
+ loadExtensions(extension.getConfigurationElements());
+ }
+
+ @Override
+ public void removeExtension(IExtension extension, Object[] objects) {
+ Set<EvaluatorBindingExtension> newExtensions = new HashSet<EvaluatorBindingExtension>(Arrays.asList(extensions));
+
+ for (Object o : objects) {
+ tracker.unregisterObject(extension, o);
+ newExtensions.remove(o);
+ }
+
+ // Atomic assignment
+ this.extensions = newExtensions.toArray(new EvaluatorBindingExtension[newExtensions.size()]);
+ }
+
+ public Collection<EvaluatorFactory> getBoundFactories(Set<String> browseContexts) {
+
+// ArrayList<EvaluatorFactory> result = new ArrayList<EvaluatorFactory>();
+// for(EvaluatorBindingExtension binding : getExtensions()) {
+// if(browseContexts.contains(binding.browserId())) {
+// EvaluatorFactory factory = EvaluatorFactoryExtensionManager.getFactory(binding.factoryId());
+// result.add(factory);
+// }
+// }
+// return result;
+
+ HashSet<EvaluatorFactory> result = new HashSet<EvaluatorFactory>();
+
+ for(EvaluatorBindingExtension binding : getExtensions()) {
+ if(browseContexts.contains(binding.getBrowseContext())) {
+ EvaluatorFactory factory = binding.getFactory();
+ if(factory != null) {
+// System.out.println("----------- Plugin contribution " + binding.getFactory());
+ result.add(factory);
+ } else {
+// System.out.println("FAILED: ----------- No factory for " + binding);
+ }
+
+ }
+ }
+
+ return result;
+
+ }
+
+}
Code Review / simantics / platform.git / blobdiff