/*******************************************************************************
* Copyright (c) 2004, 2008 Tasktop Technologies 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:
* Tasktop Technologies - initial API and implementation
*******************************************************************************/
package org.eclipse.dltk.internal.mylyn;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.dltk.core.DLTKCore;
import org.eclipse.dltk.internal.mylyn.editor.ActiveFoldingListener;
import org.eclipse.dltk.internal.ui.editor.ScriptEditor;
import org.eclipse.dltk.ui.DLTKUIPlugin;
import org.eclipse.dltk.ui.PreferenceConstants;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.mylyn.commons.core.StatusHandler;
import org.eclipse.mylyn.context.core.ContextCore;
import org.eclipse.mylyn.context.ui.IContextUiStartup;
import org.eclipse.mylyn.monitor.ui.MonitorUi;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IEditorReference;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.eclipse.ui.progress.UIJob;
import org.osgi.framework.BundleContext;
/**
* @author Mik Kersten
* @author Steffen Pingel
*/
public class DLTKUiBridgePlugin extends AbstractUIPlugin {
public static final String ID_PLUGIN = "org.eclipse.dltk.mylyn"; //$NON-NLS-1$
public static final String AUTO_FOLDING_ENABLED = "org.eclipse.mylyn.context.ui.editor.folding.enabled"; //$NON-NLS-1$
private static DLTKUiBridgePlugin INSTANCE;
private ActiveFoldingEditorTracker editorTracker;
private TypeHistoryManager typeHistoryManager;
private LandmarkMarkerManager landmarkMarkerManager;
private DLTKEditingMonitor dltkEditingMonitor;
private InterestUpdateDeltaListener dltkElementChangeListener;
private static final String MYLYN_PREVIOUS_RUN = "org.eclipse.mylyn.ui.first.run.0_4_9"; //$NON-NLS-1$
private static final String MYLYN_RUN_COUNT = "org.eclipse.dltk.mylyn.run.count.1_1_0"; //$NON-NLS-1$
private static final String NUM_COMPUTERS_PREF_KEY = "content_assist_number_of_computers"; //$NON-NLS-1$
public DLTKUiBridgePlugin() {
}
/**
* Startup order is critical.
*/
@Override
public void start(BundleContext context) throws Exception {
super.start(context);
INSTANCE = this;
IPreferenceStore dltkPrefs = DLTKUIPlugin.getDefault().getPreferenceStore();
// NOTE: moved out of wizard and first task activation to avoid bug
// 194766
int count = getPreferenceStore().getInt(MYLYN_RUN_COUNT);
if (count < 1) {
getPreferenceStore().setValue(MYLYN_RUN_COUNT, count + 1);
// Mylyn 3.1 removes 2 computers, migrate JDT setting on first run
// to avoid prevent JDT from displaying a warning dialog
if (count == 0 && getPreferenceStore().contains(MYLYN_PREVIOUS_RUN)) {
if (dltkPrefs.contains(NUM_COMPUTERS_PREF_KEY)) {
int lastNumberOfComputers = dltkPrefs.getInt(NUM_COMPUTERS_PREF_KEY);
if (lastNumberOfComputers > 0) {
dltkPrefs.putValue(NUM_COMPUTERS_PREF_KEY, Integer.toString(lastNumberOfComputers - 2));
}
}
}
// try installing Task-Focused content assist twice
new UIJob("Initialize Content Assist") { //$NON-NLS-1$
@Override
public IStatus runInUIThread(IProgressMonitor monitor) {
IPreferenceStore store = DLTKUIPlugin.getDefault().getPreferenceStore();
DLTKUiUtil.installContentAssist(store, false);
return Status.OK_STATUS;
}
}.schedule();
}
// the Task-Focused category should be disabled if the user reverts to
// the default
String defaultValue = dltkPrefs.getDefaultString(PreferenceConstants.CODEASSIST_EXCLUDED_CATEGORIES);
dltkPrefs.setDefault(PreferenceConstants.CODEASSIST_EXCLUDED_CATEGORIES, defaultValue
+ DLTKUiUtil.ASSIST_MYLYN_ALL + DLTKUiUtil.SEPARATOR_CODEASSIST);
}
private void lazyStart() {
landmarkMarkerManager = new LandmarkMarkerManager();
ContextCore.getContextManager().addListener(landmarkMarkerManager);
dltkEditingMonitor = new DLTKEditingMonitor();
MonitorUi.getSelectionMonitors().add(dltkEditingMonitor);
installEditorTracker(PlatformUI.getWorkbench());
dltkElementChangeListener = new InterestUpdateDeltaListener();
DLTKCore.addElementChangedListener(dltkElementChangeListener);
try {
typeHistoryManager = new TypeHistoryManager();
ContextCore.getContextManager().addListener(typeHistoryManager);
} catch (Throwable t) {
// FIXME review error message
StatusHandler.log(new Status(IStatus.ERROR, DLTKUiBridgePlugin.ID_PLUGIN,
"Could not install type history manager: incompatible Eclipse version", t)); //$NON-NLS-1$
}
}
private void lazyStop() {
if (typeHistoryManager != null) {
ContextCore.getContextManager().removeListener(typeHistoryManager);
}
if (landmarkMarkerManager != null) {
ContextCore.getContextManager().removeListener(landmarkMarkerManager);
}
if (dltkEditingMonitor != null) {
MonitorUi.getSelectionMonitors().remove(dltkEditingMonitor);
}
if (dltkElementChangeListener != null) {
DLTKCore.removeElementChangedListener(dltkElementChangeListener);
}
// TODO: uninstall editor tracker
}
@Override
public void stop(BundleContext context) throws Exception {
lazyStop();
super.stop(context);
INSTANCE = null;
}
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 (IEditorReference reference : references) {
IEditorPart part = reference.getEditor(false);
if (part != null && part instanceof ScriptEditor) {
ScriptEditor editor = (ScriptEditor) part;
editorTracker.registerEditor(editor);
ActiveFoldingListener.resetProjection(editor);
}
}
}
}
}
/**
* Returns the shared instance.
*/
public static DLTKUiBridgePlugin getDefault() {
return INSTANCE;
}
/**
* 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(ID_PLUGIN, path);
}
/**
* For testing.
*/
public ActiveFoldingEditorTracker getEditorTracker() {
return editorTracker;
}
public static class DLTKUiBridgeStartup implements IContextUiStartup {
public void lazyStartup() {
DLTKUiBridgePlugin.getDefault().lazyStart();
}
}
}