| /******************************************************************************* |
| * Copyright (c) 2004, 2007 Mylyn project committers 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 |
| *******************************************************************************/ |
| package org.eclipse.mylyn.internal.resources.ui; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.ResourceBundle; |
| import java.util.Set; |
| import java.util.StringTokenizer; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IResourceChangeEvent; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.mylyn.context.core.AbstractContextStructureBridge; |
| import org.eclipse.mylyn.context.core.ContextCore; |
| import org.eclipse.mylyn.context.core.IInteractionContext; |
| import org.eclipse.mylyn.context.core.IInteractionElement; |
| import org.eclipse.mylyn.context.ui.IContextUiStartup; |
| import org.eclipse.mylyn.monitor.ui.MonitorUi; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.plugin.AbstractUIPlugin; |
| import org.osgi.framework.BundleContext; |
| |
| /** |
| * Main entry point for the Resource Structure Bridge. Initialization order is very important. |
| * |
| * @author Mik Kersten |
| * @author Steffen Pingel |
| * @since 3.0 |
| */ |
| public class ResourcesUiBridgePlugin extends AbstractUIPlugin { |
| |
| /** |
| * @since 3.0 |
| */ |
| public static class ResourcesUiBridgeStartup implements IContextUiStartup { |
| |
| public void lazyStartup() { |
| ResourcesUiBridgePlugin.getDefault().lazyStart(); |
| } |
| |
| } |
| |
| public static final String PLUGIN_ID = "org.eclipse.mylyn.resources.ui"; |
| |
| private static ResourcesUiBridgePlugin INSTANCE; |
| |
| private ResourceChangeMonitor resourceChangeMonitor; |
| |
| private ResourceInteractionMonitor resourceInteractionMonitor; |
| |
| private EditorInteractionMonitor interestEditorTracker; |
| |
| private ResourceInterestUpdater interestUpdater; |
| |
| private static final String PREF_STORE_DELIM = ", "; |
| |
| public static final String PREF_RESOURCES_IGNORED = "org.eclipse.mylyn.ide.resources.ignored.pattern"; |
| |
| public static final String PREF_VAL_DEFAULT_RESOURCES_IGNORED = ".*" + PREF_STORE_DELIM; |
| |
| public ResourcesUiBridgePlugin() { |
| super(); |
| INSTANCE = this; |
| } |
| |
| /** |
| * This method is called upon plug-in activation |
| */ |
| @Override |
| public void start(BundleContext context) throws Exception { |
| super.start(context); |
| initPreferenceDefaults(); |
| interestUpdater = new ResourceInterestUpdater(); |
| } |
| |
| /** |
| * @since 3.0 |
| */ |
| protected void lazyStart() { |
| resourceChangeMonitor = new ResourceChangeMonitor(); |
| resourceInteractionMonitor = new ResourceInteractionMonitor(); |
| interestEditorTracker = new EditorInteractionMonitor(); |
| |
| MonitorUi.getSelectionMonitors().add(resourceInteractionMonitor); |
| |
| ResourcesPlugin.getWorkspace().addResourceChangeListener(resourceChangeMonitor, |
| IResourceChangeEvent.POST_CHANGE); |
| |
| interestEditorTracker.install(PlatformUI.getWorkbench()); |
| } |
| |
| protected void lazyStop() { |
| if (resourceChangeMonitor != null) { |
| ResourcesPlugin.getWorkspace().removeResourceChangeListener(resourceChangeMonitor); |
| } |
| if (resourceInteractionMonitor != null) { |
| MonitorUi.getSelectionMonitors().remove(resourceInteractionMonitor); |
| } |
| if (interestEditorTracker != null) { |
| interestEditorTracker.dispose(PlatformUI.getWorkbench()); |
| } |
| } |
| |
| /** |
| * This method is called when the plug-in is stopped |
| */ |
| @Override |
| public void stop(BundleContext context) throws Exception { |
| lazyStop(); |
| |
| super.stop(context); |
| INSTANCE = null; |
| } |
| |
| private void initPreferenceDefaults() { |
| getPreferenceStore().setDefault(PREF_RESOURCES_IGNORED, PREF_VAL_DEFAULT_RESOURCES_IGNORED); |
| } |
| |
| public List<IResource> getInterestingResources(IInteractionContext context) { |
| List<IResource> interestingResources = new ArrayList<IResource>(); |
| Collection<IInteractionElement> resourceElements = ContextCore.getContextManager().getActiveDocuments( |
| context); |
| for (IInteractionElement element : resourceElements) { |
| IResource resource = getResourceForElement(element, false); |
| if (resource != null) { |
| interestingResources.add(resource); |
| } |
| } |
| return interestingResources; |
| } |
| |
| public void setExcludedResourcePatterns(Set<String> patterns) { |
| StringBuilder store = new StringBuilder(); |
| for (String string : patterns) { |
| store.append(string); |
| store.append(PREF_STORE_DELIM); |
| } |
| getPreferenceStore().setValue(PREF_RESOURCES_IGNORED, store.toString()); |
| } |
| |
| public Set<String> getExcludedResourcePatterns() { |
| Set<String> ignored = new HashSet<String>(); |
| String read = getPreferenceStore().getString(PREF_RESOURCES_IGNORED); |
| if (read != null) { |
| StringTokenizer st = new StringTokenizer(read, PREF_STORE_DELIM); |
| while (st.hasMoreTokens()) { |
| ignored.add(st.nextToken()); |
| } |
| } |
| return ignored; |
| } |
| |
| public static ResourceInterestUpdater getInterestUpdater() { |
| return INSTANCE.interestUpdater; |
| } |
| |
| public IResource getResourceForElement(IInteractionElement element, boolean findContainingResource) { |
| if (element == null) { |
| return null; |
| } |
| AbstractContextStructureBridge bridge = ContextCore.getStructureBridge(element.getContentType()); |
| Object object = bridge.getObjectForHandle(element.getHandleIdentifier()); |
| if (object instanceof IResource) { |
| return (IResource) object; |
| } else if (object instanceof IAdaptable) { |
| Object adapted = ((IAdaptable) object).getAdapter(IResource.class); |
| if (adapted instanceof IResource) { |
| return (IResource) adapted; |
| } |
| } |
| if (findContainingResource) { // recurse if not found |
| String parentHandle = bridge.getParentHandle(element.getHandleIdentifier()); |
| if (element.getHandleIdentifier().equals(parentHandle)) { |
| return null; |
| } else { |
| return getResourceForElement(ContextCore.getContextManager().getElement(parentHandle), true); |
| } |
| } else { |
| return null; |
| } |
| } |
| |
| public void setResourceMonitoringEnabled(boolean enabled) { |
| resourceChangeMonitor.setEnabled(enabled); |
| } |
| |
| public static ResourcesUiBridgePlugin getDefault() { |
| return INSTANCE; |
| } |
| |
| @Deprecated |
| public ResourceBundle getResourceBundle() { |
| return null; |
| } |
| |
| } |