X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.common%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fcommon%2Fextension%2FEvaluatorBindingExtensionManager.java;h=6380e334c6712b349866a338caa67209f922f236;hp=93e6d66e9d4b76799fd0fc7b9edaa74f212a79bc;hb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;hpb=24e2b34260f219f0d1644ca7a138894980e25b14 diff --git a/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/extension/EvaluatorBindingExtensionManager.java b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/extension/EvaluatorBindingExtensionManager.java index 93e6d66e9..6380e334c 100644 --- a/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/extension/EvaluatorBindingExtensionManager.java +++ b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/extension/EvaluatorBindingExtensionManager.java @@ -1,182 +1,182 @@ -/******************************************************************************* - * 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 newExtensions = new HashSet(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 newExtensions = new HashSet(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 getBoundFactories(Set browseContexts) { - -// ArrayList result = new ArrayList(); -// for(EvaluatorBindingExtension binding : getExtensions()) { -// if(browseContexts.contains(binding.browserId())) { -// EvaluatorFactory factory = EvaluatorFactoryExtensionManager.getFactory(binding.factoryId()); -// result.add(factory); -// } -// } -// return result; - - HashSet result = new HashSet(); - - 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; - - } - -} +/******************************************************************************* + * 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 newExtensions = new HashSet(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 newExtensions = new HashSet(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 getBoundFactories(Set browseContexts) { + +// ArrayList result = new ArrayList(); +// for(EvaluatorBindingExtension binding : getExtensions()) { +// if(browseContexts.contains(binding.browserId())) { +// EvaluatorFactory factory = EvaluatorFactoryExtensionManager.getFactory(binding.factoryId()); +// result.add(factory); +// } +// } +// return result; + + HashSet result = new HashSet(); + + 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; + + } + +}