X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.ui%2Fsrc%2Forg%2Fsimantics%2Fui%2FDoubleClickExtensionManager.java;h=bfcfbb7994d23c958f563a3c4236897d578ba36a;hb=560d8aa2e37cb6b0249aec6d7e96e67d5a64c59f;hp=a93e61b2e2cf4e63ab3676f615ec001798b9501c;hpb=969bd23cab98a79ca9101af33334000879fb60c5;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.ui/src/org/simantics/ui/DoubleClickExtensionManager.java b/bundles/org.simantics.ui/src/org/simantics/ui/DoubleClickExtensionManager.java index a93e61b2e..bfcfbb799 100644 --- a/bundles/org.simantics.ui/src/org/simantics/ui/DoubleClickExtensionManager.java +++ b/bundles/org.simantics.ui/src/org/simantics/ui/DoubleClickExtensionManager.java @@ -1,138 +1,138 @@ -/******************************************************************************* - * 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.ui; - -import java.util.ArrayList; -import java.util.Arrays; -import java.util.Collections; -import java.util.Comparator; -import java.util.HashSet; -import java.util.List; -import java.util.Set; - -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.ui.internal.Activator; -import org.simantics.utils.strings.StringUtils; - -/** - * @author Tuukka Lehtonen - */ -public class DoubleClickExtensionManager implements IExtensionChangeHandler { - - private final static String NAMESPACE = Activator.PLUGIN_ID; - - private final static String EP_NAME = "doubleClick"; - - private ExtensionTracker tracker; - - private IDoubleClickExtension[] extensions = new IDoubleClickExtension[0]; - - private static DoubleClickExtensionManager INSTANCE; - - - public static synchronized DoubleClickExtensionManager getInstance() { - if (INSTANCE == null) - INSTANCE = new DoubleClickExtensionManager(); - return INSTANCE; - } - - public static synchronized void dispose() { - if (INSTANCE != null) { - INSTANCE.close(); - INSTANCE = null; - } - } - - - private DoubleClickExtensionManager() { - 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 IDoubleClickExtension[0]; - } - - public IDoubleClickExtension[] getExtensions() { - return extensions; - } - - private void loadExtensions(IConfigurationElement[] elements) { - Set newExtensions = new HashSet(Arrays.asList(extensions)); - - for (IConfigurationElement el : elements) { - String name = StringUtils.safeString(el.getAttribute("name")); - double priority = 0; - try { - String p = el.getAttribute("priority"); - if (p != null) { - priority = Double.parseDouble(p); - } - } catch (NumberFormatException e) { - } - IDoubleClickExtension ext = new DoubleClickExtension(el, name, priority); - - // 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); - } - - // Sort in descending priority order - List unsorted = new ArrayList(newExtensions); - Collections.sort(unsorted, new Comparator() { - @Override - public int compare(IDoubleClickExtension o1, IDoubleClickExtension o2) { - return Double.compare(o2.getPriority(), o1.getPriority()); - } - }); - - // Atomic assignment - this.extensions = unsorted.toArray(new IDoubleClickExtension[unsorted.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 IDoubleClickExtension[newExtensions.size()]); - } - -} +/******************************************************************************* + * 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.ui; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collections; +import java.util.Comparator; +import java.util.HashSet; +import java.util.List; +import java.util.Set; + +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.ui.internal.Activator; +import org.simantics.utils.strings.StringUtils; + +/** + * @author Tuukka Lehtonen + */ +public class DoubleClickExtensionManager implements IExtensionChangeHandler { + + private final static String NAMESPACE = Activator.PLUGIN_ID; + + private final static String EP_NAME = "doubleClick"; + + private ExtensionTracker tracker; + + private IDoubleClickExtension[] extensions = new IDoubleClickExtension[0]; + + private static DoubleClickExtensionManager INSTANCE; + + + public static synchronized DoubleClickExtensionManager getInstance() { + if (INSTANCE == null) + INSTANCE = new DoubleClickExtensionManager(); + return INSTANCE; + } + + public static synchronized void dispose() { + if (INSTANCE != null) { + INSTANCE.close(); + INSTANCE = null; + } + } + + + private DoubleClickExtensionManager() { + 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 IDoubleClickExtension[0]; + } + + public IDoubleClickExtension[] getExtensions() { + return extensions; + } + + private void loadExtensions(IConfigurationElement[] elements) { + Set newExtensions = new HashSet(Arrays.asList(extensions)); + + for (IConfigurationElement el : elements) { + String name = StringUtils.safeString(el.getAttribute("name")); + double priority = 0; + try { + String p = el.getAttribute("priority"); + if (p != null) { + priority = Double.parseDouble(p); + } + } catch (NumberFormatException e) { + } + IDoubleClickExtension ext = new DoubleClickExtension(el, name, priority); + + // 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); + } + + // Sort in descending priority order + List unsorted = new ArrayList(newExtensions); + Collections.sort(unsorted, new Comparator() { + @Override + public int compare(IDoubleClickExtension o1, IDoubleClickExtension o2) { + return Double.compare(o2.getPriority(), o1.getPriority()); + } + }); + + // Atomic assignment + this.extensions = unsorted.toArray(new IDoubleClickExtension[unsorted.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 IDoubleClickExtension[newExtensions.size()]); + } + +}