org.eclipse.mylyn.java.ui/src/org/eclipse/mylyn/internal/java/MylarJavaPlugin.java - gerrit/mylyn/org.eclipse.mylyn.context - Git at Google

 /*******************************************************************************
  * Copyright (c) 2004 - 2006 University Of British Columbia 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:
  *     University Of British Columbia - initial API and implementation
  *******************************************************************************/
 package org.eclipse.mylar.internal.java;

 import java.util.MissingResourceException;
 import java.util.ResourceBundle;

 import org.eclipse.jdt.core.JavaCore;
 import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;
 import org.eclipse.jdt.ui.JavaUI;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.wizard.WizardDialog;
 import org.eclipse.mylar.internal.core.util.MylarStatusHandler;
 import org.eclipse.mylar.internal.java.ui.LandmarkMarkerManager;
 import org.eclipse.mylar.internal.java.ui.editor.ActiveFoldingListener;
 import org.eclipse.mylar.internal.java.ui.wizards.MylarPreferenceWizard;
 import org.eclipse.mylar.provisional.core.MylarPlugin;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.IEditorDescriptor;
 import org.eclipse.ui.IEditorPart;
 import org.eclipse.ui.IEditorReference;
 import org.eclipse.ui.IEditorRegistry;
 import org.eclipse.ui.IFileEditorMapping;
 import org.eclipse.ui.ISelectionService;
 import org.eclipse.ui.IWorkbench;
 import org.eclipse.ui.IWorkbenchPage;
 import org.eclipse.ui.IWorkbenchWindow;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.internal.WorkbenchPlugin;
 import org.eclipse.ui.internal.registry.EditorRegistry;
 import org.eclipse.ui.internal.registry.FileEditorMapping;
 import org.eclipse.ui.plugin.AbstractUIPlugin;
 import org.osgi.framework.BundleContext;

 /**
  * @author Mik Kersten
  */
 public class MylarJavaPlugin extends AbstractUIPlugin {

 	public static final String PLUGIN_ID = "org.eclipse.mylar.java";

 	private static MylarJavaPlugin plugin;

 	private ResourceBundle resourceBundle;

 	private ActiveFoldingEditorTracker editorTracker;

 	private PackageExplorerManager packageExplorerManager = new PackageExplorerManager();

 	private TypeHistoryManager typeHistoryManager = new TypeHistoryManager();

 	private LandmarkMarkerManager landmarkMarkerManager = new LandmarkMarkerManager();

 	private JavaProblemListener problemListener = new JavaProblemListener();

 	private JavaEditingMonitor javaEditingMonitor;

 	private InterestUpdateDeltaListener javaElementChangeListener = new InterestUpdateDeltaListener();

 	public static final String FIRST_USE = "<html><head><link rel=\"stylesheet\" type=\"text/css\" href=\"http://eclipse.org/mylar/doc/style.css\"/></head>"
 			+ "<body bgcolor=\"#ffffff\">"
 			+ "<p>If this is your first time using Mylar make sure to watch the \n"
 			+ "<a target=\"_blank\" href=\"http://eclipse.org/mylar/doc/demo/mylar-demo-04.html\">\n"
 			+ "<b>3 minute online flash demo</b></a>.</p><p>Mylar documentation is under \n"
 			+ "Help-&gt;Help Contents.</p>" + "</body></html>";

 	public MylarJavaPlugin() {
 		super();
 		plugin = this;
 	}

 	/**
 	 * Startup order is critical.
 	 */
 	@Override
 	public void start(BundleContext context) throws Exception {
 		super.start(context);
 		final IWorkbench workbench = PlatformUI.getWorkbench();
 		workbench.getDisplay().asyncExec(new Runnable() {
 			public void run() {
 				try {
 					setPreferenceDefaults();
 					savePluginPreferences();

 					MylarPlugin.getContextManager().addListener(packageExplorerManager);
 					MylarPlugin.getContextManager().addListener(typeHistoryManager);
 					MylarPlugin.getContextManager().addListener(landmarkMarkerManager);

 					if (getPreferenceStore().getBoolean(MylarJavaPrefConstants.PREDICTED_INTEREST_ERRORS)) {
 						problemListener.enable();
 					}
 					getPreferenceStore().addPropertyChangeListener(problemListener);

 					MylarPlugin.getDefault().addWindowPostSelectionListener(packageExplorerManager);

 					javaEditingMonitor = new JavaEditingMonitor();
 					MylarPlugin.getDefault().getSelectionMonitors().add(javaEditingMonitor);
 					installEditorTracker(workbench);

 					// TODO: race conditions prevents this from running?
 //					if (ApplyMylarToPackageExplorerAction.getDefault() != null) {
 //						ApplyMylarToPackageExplorerAction.getDefault().update();
 //					}
 //					if (ApplyMylarToBrowsingPerspectiveAction.getDefault() != null) {
 //						ApplyMylarToBrowsingPerspectiveAction.getDefault().update();
 //					}

 //					if (!getPreferenceStore().contains(MylarPreferenceWizard.MYLAR_FIRST_RUN)) {
 //						JavaUiUtil.installContentAssist(JavaPlugin.getDefault().getPreferenceStore(), true);
 //					}

 					if (!MylarPlugin.getDefault().suppressWizardsOnStartup()
 							&& !getPreferenceStore().contains(MylarPreferenceWizard.MYLAR_FIRST_RUN)) {
 						MylarPreferenceWizard wizard = new MylarPreferenceWizard(FIRST_USE);
 						Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
 						if (wizard != null && shell != null && !shell.isDisposed()) {
 							WizardDialog dialog = new WizardDialog(shell, wizard);
 							dialog.create();
 							dialog.open();
 							getPreferenceStore().putValue(MylarPreferenceWizard.MYLAR_FIRST_RUN, "false");
 						}
 					}

 					JavaCore.addElementChangedListener(javaElementChangeListener);
 				} catch (Throwable t) {
 					MylarStatusHandler.fail(t, "Mylar Java plug-in initialization failed", true);
 				}
 			}
 		});
 	}

 	private void setPreferenceDefaults() {
 		getPreferenceStore().setDefault(MylarJavaPrefConstants.PACKAGE_EXPLORER_AUTO_FILTER_ENABLE, true);
 //		getPreferenceStore().setDefault(MylarJavaPrefConstants.PACKAGE_EXPLORER_AUTO_EXPAND, true);
 		getPreferenceStore().setDefault(MylarJavaPrefConstants.PREDICTED_INTEREST_ERRORS, false);
 	}

 	@Override
 	public void stop(BundleContext context) throws Exception {
 		try {
 			super.stop(context);
 			plugin = null;
 			resourceBundle = null;

 			MylarPlugin.getContextManager().removeListener(packageExplorerManager);
 			MylarPlugin.getContextManager().removeListener(typeHistoryManager);
 			MylarPlugin.getContextManager().removeListener(landmarkMarkerManager);

 			MylarPlugin.getDefault().getSelectionMonitors().remove(javaEditingMonitor);

 //			if (ApplyMylarToPackageExplorerAction.getDefault() != null) {
 //				getPreferenceStore().removePropertyChangeListener(ApplyMylarToPackageExplorerAction.getDefault());
 //			}

 			if (PlatformUI.getWorkbench() != null && !PlatformUI.getWorkbench().isClosing()) {
 				for(IWorkbenchWindow w : PlatformUI.getWorkbench().getWorkbenchWindows()) {
 					ISelectionService service = w.getSelectionService();
 					service.removePostSelectionListener(packageExplorerManager);
 				}
   		}
 			JavaCore.removeElementChangedListener(javaElementChangeListener);
 			// CVSUIPlugin.getPlugin().getChangeSetManager().remove(changeSetManager);
 			// TODO: uninstall editor tracker
 		} catch (Exception e) {
 			MylarStatusHandler.fail(e, "Mylar Java stop terminated abnormally", false);
 		}
 	}

 	private void installEditorTracker(IWorkbench workbench) {
 		editorTracker = new ActiveFoldingEditorTracker();
 		editorTracker.install(workbench);
 		// workbench.addWindowListener(editorTracker);
 		// IWorkbenchWindow[] windows = workbench.getWorkbenchWindows();
 		// for (int i = 0; i < windows.length; i++) {
 		// windows[i].addPageListener(editorTracker);
 		// IWorkbenchPage[] pages = windows[i].getPages();
 		// for (int j = 0; j < pages.length; j++) {
 		// pages[j].addPartListener(editorTracker);
 		// }
 		// }

 		// update editors that are already opened
 		for(IWorkbenchWindow w : PlatformUI.getWorkbench().getWorkbenchWindows()) {
 			IWorkbenchPage page = w.getActivePage();
 			if (page != null) {
 				IEditorReference[] references = page.getEditorReferences();
 				for (int i = 0; i < references.length; i++) {
 					IEditorPart part = references[i].getEditor(false);
 					if (part != null && part instanceof JavaEditor) {
 						JavaEditor editor = (JavaEditor) part;
 						editorTracker.registerEditor(editor);
 						ActiveFoldingListener.resetProjection(editor);
 					}
 				}
 			}
 		}
 	}

 	/**
 	 * Returns the shared instance.
 	 */
 	public static MylarJavaPlugin getDefault() {
 		return plugin;
 	}

 	/**
 	 * Returns the string from the plugin's resource bundle, or 'key' if not
 	 * found.
 	 */
 	public static String getResourceString(String key) {
 		ResourceBundle bundle = MylarJavaPlugin.getDefault().getResourceBundle();
 		try {
 			return (bundle != null) ? bundle.getString(key) : key;
 		} catch (MissingResourceException e) {
 			return key;
 		}
 	}

 	/**
 	 * Returns the plugin's resource bundle,
 	 */
 	public ResourceBundle getResourceBundle() {
 		try {
 			if (resourceBundle == null)
 				resourceBundle = ResourceBundle.getBundle("org.eclipse.mylar.java.JavaPluginResources");
 		} catch (MissingResourceException x) {
 			resourceBundle = null;
 		}
 		return resourceBundle;
 	}

 	/**
 	 * Returns an image descriptor for the image file at the given plug-in
 	 * relative path.
 	 *
 	 * @param path
 	 *            the path
 	 * @return the image descriptor
 	 */
 	public static ImageDescriptor getImageDescriptor(String path) {
 		return AbstractUIPlugin.imageDescriptorFromPlugin(PLUGIN_ID, path);
 	}

 	 public static boolean isMylarEditorDefault() {
 		IEditorRegistry editorRegistry = WorkbenchPlugin.getDefault().getEditorRegistry();
 		IEditorDescriptor desc = editorRegistry.getDefaultEditor("*.java");

 		return MylarJavaPrefConstants.MYLAR_JAVA_EDITOR_ID.equals(desc.getLabel());
 	}

 	public static void setDefaultEditorForJavaFiles(boolean mylar) {

 		EditorRegistry editorRegistry = (EditorRegistry) WorkbenchPlugin.getDefault().getEditorRegistry();
 		// HACK: cast to allow save to be called
 		IFileEditorMapping[] array = WorkbenchPlugin.getDefault().getEditorRegistry().getFileEditorMappings();

 		// HACK: cast to allow set to be called
 		editorRegistry.setFileEditorMappings((FileEditorMapping[]) array);
 		String defaultEditor = editorRegistry.getDefaultEditor("*.java").getId();

 		if (mylar) {

 			if (!(defaultEditor.equals(MylarJavaPrefConstants.MYLAR_JAVA_EDITOR_ID))) {
 				editorRegistry.setDefaultEditor("*.java", MylarJavaPrefConstants.MYLAR_JAVA_EDITOR_ID);
 				editorRegistry.saveAssociations();
 			}
 		} else {
 			if (!(defaultEditor.equals(JavaUI.ID_CU_EDITOR))) {
 				editorRegistry.setDefaultEditor("*.java", JavaUI.ID_CU_EDITOR);
 				editorRegistry.saveAssociations();
 			}
 		}
 	}

 	public TypeHistoryManager getTypeHistoryManager() {
 		return typeHistoryManager;
 	}

 	/**
 	 * For testing.
 	 */
 	public ActiveFoldingEditorTracker getEditorTracker() {
 		return editorTracker;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2004 - 2006 University Of British Columbia 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:
	* University Of British Columbia - initial API and implementation
	*******************************************************************************/
	package org.eclipse.mylar.internal.java;

	import java.util.MissingResourceException;
	import java.util.ResourceBundle;

	import org.eclipse.jdt.core.JavaCore;
	import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;
	import org.eclipse.jdt.ui.JavaUI;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.jface.wizard.WizardDialog;
	import org.eclipse.mylar.internal.core.util.MylarStatusHandler;
	import org.eclipse.mylar.internal.java.ui.LandmarkMarkerManager;
	import org.eclipse.mylar.internal.java.ui.editor.ActiveFoldingListener;
	import org.eclipse.mylar.internal.java.ui.wizards.MylarPreferenceWizard;
	import org.eclipse.mylar.provisional.core.MylarPlugin;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.ui.IEditorDescriptor;
	import org.eclipse.ui.IEditorPart;
	import org.eclipse.ui.IEditorReference;
	import org.eclipse.ui.IEditorRegistry;
	import org.eclipse.ui.IFileEditorMapping;
	import org.eclipse.ui.ISelectionService;
	import org.eclipse.ui.IWorkbench;
	import org.eclipse.ui.IWorkbenchPage;
	import org.eclipse.ui.IWorkbenchWindow;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.internal.WorkbenchPlugin;
	import org.eclipse.ui.internal.registry.EditorRegistry;
	import org.eclipse.ui.internal.registry.FileEditorMapping;
	import org.eclipse.ui.plugin.AbstractUIPlugin;
	import org.osgi.framework.BundleContext;

	/**
	* @author Mik Kersten
	*/
	public class MylarJavaPlugin extends AbstractUIPlugin {

	public static final String PLUGIN_ID = "org.eclipse.mylar.java";

	private static MylarJavaPlugin plugin;

	private ResourceBundle resourceBundle;

	private ActiveFoldingEditorTracker editorTracker;

	private PackageExplorerManager packageExplorerManager = new PackageExplorerManager();

	private TypeHistoryManager typeHistoryManager = new TypeHistoryManager();

	private LandmarkMarkerManager landmarkMarkerManager = new LandmarkMarkerManager();

	private JavaProblemListener problemListener = new JavaProblemListener();

	private JavaEditingMonitor javaEditingMonitor;

	private InterestUpdateDeltaListener javaElementChangeListener = new InterestUpdateDeltaListener();

	public static final String FIRST_USE = "<html><head><link rel=\"stylesheet\" type=\"text/css\" href=\"http://eclipse.org/mylar/doc/style.css\"/></head>"
	+ "<body bgcolor=\"#ffffff\">"
	+ "<p>If this is your first time using Mylar make sure to watch the \n"
	+ "<a target=\"_blank\" href=\"http://eclipse.org/mylar/doc/demo/mylar-demo-04.html\">\n"
	+ "<b>3 minute online flash demo</b></a>.</p><p>Mylar documentation is under \n"
	+ "Help->Help Contents.</p>" + "</body></html>";

	public MylarJavaPlugin() {
	super();
	plugin = this;
	}

	/**
	* Startup order is critical.
	*/
	@Override
	public void start(BundleContext context) throws Exception {
	super.start(context);
	final IWorkbench workbench = PlatformUI.getWorkbench();
	workbench.getDisplay().asyncExec(new Runnable() {
	public void run() {
	try {
	setPreferenceDefaults();
	savePluginPreferences();

	MylarPlugin.getContextManager().addListener(packageExplorerManager);
	MylarPlugin.getContextManager().addListener(typeHistoryManager);
	MylarPlugin.getContextManager().addListener(landmarkMarkerManager);

	if (getPreferenceStore().getBoolean(MylarJavaPrefConstants.PREDICTED_INTEREST_ERRORS)) {
	problemListener.enable();
	}
	getPreferenceStore().addPropertyChangeListener(problemListener);

	MylarPlugin.getDefault().addWindowPostSelectionListener(packageExplorerManager);

	javaEditingMonitor = new JavaEditingMonitor();
	MylarPlugin.getDefault().getSelectionMonitors().add(javaEditingMonitor);
	installEditorTracker(workbench);

	// TODO: race conditions prevents this from running?
	// if (ApplyMylarToPackageExplorerAction.getDefault() != null) {
	// ApplyMylarToPackageExplorerAction.getDefault().update();
	// }
	// if (ApplyMylarToBrowsingPerspectiveAction.getDefault() != null) {
	// ApplyMylarToBrowsingPerspectiveAction.getDefault().update();
	// }

	// if (!getPreferenceStore().contains(MylarPreferenceWizard.MYLAR_FIRST_RUN)) {
	// JavaUiUtil.installContentAssist(JavaPlugin.getDefault().getPreferenceStore(), true);
	// }

	if (!MylarPlugin.getDefault().suppressWizardsOnStartup()
	&& !getPreferenceStore().contains(MylarPreferenceWizard.MYLAR_FIRST_RUN)) {
	MylarPreferenceWizard wizard = new MylarPreferenceWizard(FIRST_USE);
	Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
	if (wizard != null && shell != null && !shell.isDisposed()) {
	WizardDialog dialog = new WizardDialog(shell, wizard);
	dialog.create();
	dialog.open();
	getPreferenceStore().putValue(MylarPreferenceWizard.MYLAR_FIRST_RUN, "false");
	}
	}

	JavaCore.addElementChangedListener(javaElementChangeListener);
	} catch (Throwable t) {
	MylarStatusHandler.fail(t, "Mylar Java plug-in initialization failed", true);
	}
	}
	});
	}

	private void setPreferenceDefaults() {
	getPreferenceStore().setDefault(MylarJavaPrefConstants.PACKAGE_EXPLORER_AUTO_FILTER_ENABLE, true);
	// getPreferenceStore().setDefault(MylarJavaPrefConstants.PACKAGE_EXPLORER_AUTO_EXPAND, true);
	getPreferenceStore().setDefault(MylarJavaPrefConstants.PREDICTED_INTEREST_ERRORS, false);
	}

	@Override
	public void stop(BundleContext context) throws Exception {
	try {
	super.stop(context);
	plugin = null;
	resourceBundle = null;

	MylarPlugin.getContextManager().removeListener(packageExplorerManager);
	MylarPlugin.getContextManager().removeListener(typeHistoryManager);
	MylarPlugin.getContextManager().removeListener(landmarkMarkerManager);

	MylarPlugin.getDefault().getSelectionMonitors().remove(javaEditingMonitor);

	// if (ApplyMylarToPackageExplorerAction.getDefault() != null) {
	// getPreferenceStore().removePropertyChangeListener(ApplyMylarToPackageExplorerAction.getDefault());
	// }

	if (PlatformUI.getWorkbench() != null && !PlatformUI.getWorkbench().isClosing()) {
	for(IWorkbenchWindow w : PlatformUI.getWorkbench().getWorkbenchWindows()) {
	ISelectionService service = w.getSelectionService();
	service.removePostSelectionListener(packageExplorerManager);
	}
	}
	JavaCore.removeElementChangedListener(javaElementChangeListener);
	// CVSUIPlugin.getPlugin().getChangeSetManager().remove(changeSetManager);
	// TODO: uninstall editor tracker
	} catch (Exception e) {
	MylarStatusHandler.fail(e, "Mylar Java stop terminated abnormally", false);
	}
	}

	private void installEditorTracker(IWorkbench workbench) {
	editorTracker = new ActiveFoldingEditorTracker();
	editorTracker.install(workbench);
	// workbench.addWindowListener(editorTracker);
	// IWorkbenchWindow[] windows = workbench.getWorkbenchWindows();
	// for (int i = 0; i < windows.length; i++) {
	// windows[i].addPageListener(editorTracker);
	// IWorkbenchPage[] pages = windows[i].getPages();
	// for (int j = 0; j < pages.length; j++) {
	// pages[j].addPartListener(editorTracker);
	// }
	// }

	// update editors that are already opened
	for(IWorkbenchWindow w : PlatformUI.getWorkbench().getWorkbenchWindows()) {
	IWorkbenchPage page = w.getActivePage();
	if (page != null) {
	IEditorReference[] references = page.getEditorReferences();
	for (int i = 0; i < references.length; i++) {
	IEditorPart part = references[i].getEditor(false);
	if (part != null && part instanceof JavaEditor) {
	JavaEditor editor = (JavaEditor) part;
	editorTracker.registerEditor(editor);
	ActiveFoldingListener.resetProjection(editor);
	}
	}
	}
	}
	}

	/**
	* Returns the shared instance.
	*/
	public static MylarJavaPlugin getDefault() {
	return plugin;
	}

	/**
	* Returns the string from the plugin's resource bundle, or 'key' if not
	* found.
	*/
	public static String getResourceString(String key) {
	ResourceBundle bundle = MylarJavaPlugin.getDefault().getResourceBundle();
	try {
	return (bundle != null) ? bundle.getString(key) : key;
	} catch (MissingResourceException e) {
	return key;
	}
	}

	/**
	* Returns the plugin's resource bundle,
	*/
	public ResourceBundle getResourceBundle() {
	try {
	if (resourceBundle == null)
	resourceBundle = ResourceBundle.getBundle("org.eclipse.mylar.java.JavaPluginResources");
	} catch (MissingResourceException x) {
	resourceBundle = null;
	}
	return resourceBundle;
	}

	/**
	* Returns an image descriptor for the image file at the given plug-in
	* relative path.
	*
	* @param path
	* the path
	* @return the image descriptor
	*/
	public static ImageDescriptor getImageDescriptor(String path) {
	return AbstractUIPlugin.imageDescriptorFromPlugin(PLUGIN_ID, path);
	}

	public static boolean isMylarEditorDefault() {
	IEditorRegistry editorRegistry = WorkbenchPlugin.getDefault().getEditorRegistry();
	IEditorDescriptor desc = editorRegistry.getDefaultEditor("*.java");

	return MylarJavaPrefConstants.MYLAR_JAVA_EDITOR_ID.equals(desc.getLabel());
	}

	public static void setDefaultEditorForJavaFiles(boolean mylar) {

	EditorRegistry editorRegistry = (EditorRegistry) WorkbenchPlugin.getDefault().getEditorRegistry();
	// HACK: cast to allow save to be called
	IFileEditorMapping[] array = WorkbenchPlugin.getDefault().getEditorRegistry().getFileEditorMappings();

	// HACK: cast to allow set to be called
	editorRegistry.setFileEditorMappings((FileEditorMapping[]) array);
	String defaultEditor = editorRegistry.getDefaultEditor("*.java").getId();

	if (mylar) {

	if (!(defaultEditor.equals(MylarJavaPrefConstants.MYLAR_JAVA_EDITOR_ID))) {
	editorRegistry.setDefaultEditor("*.java", MylarJavaPrefConstants.MYLAR_JAVA_EDITOR_ID);
	editorRegistry.saveAssociations();
	}
	} else {
	if (!(defaultEditor.equals(JavaUI.ID_CU_EDITOR))) {
	editorRegistry.setDefaultEditor("*.java", JavaUI.ID_CU_EDITOR);
	editorRegistry.saveAssociations();
	}
	}
	}

	public TypeHistoryManager getTypeHistoryManager() {
	return typeHistoryManager;
	}

	/**
	* For testing.
	*/
	public ActiveFoldingEditorTracker getEditorTracker() {
	return editorTracker;
	}
	}