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/*
* <copyright>
*
* Copyright (c) 2005-2006 Sven Efftinge (http://www.efftinge.de) 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:
* Sven Efftinge (http://www.efftinge.de) - Initial API and implementation
*
* </copyright>
*/
package org.eclipse.xtend.shared.ui;
import java.lang.reflect.InvocationTargetException;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.resources.IFile;
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.IExtensionRegistry;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.internal.xtend.xtend.XtendFile;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.actions.WorkspaceModifyOperation;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.eclipse.xtend.expression.ExecutionContext;
import org.eclipse.xtend.expression.ExecutionContextImpl;
import org.eclipse.xtend.expression.TypeSystemImpl;
import org.eclipse.xtend.shared.ui.core.IModelManager;
import org.eclipse.xtend.shared.ui.core.IXtendXpandProject;
import org.eclipse.xtend.shared.ui.core.builder.XtendXpandNature;
import org.eclipse.xtend.shared.ui.core.internal.XtendXpandModelManager;
import org.eclipse.xtend.shared.ui.core.metamodel.Contributor;
import org.eclipse.xtend.shared.ui.core.metamodel.MetamodelContributorRegistry;
import org.eclipse.xtend.shared.ui.expression.PluginExecutionContextImpl;
import org.eclipse.xtend.shared.ui.internal.XtendLog;
import org.eclipse.xtend.typesystem.MetaModel;
import org.osgi.framework.BundleContext;
/**
* The main plugin class
*/
public class Activator extends AbstractUIPlugin {
private static final String RESOURCE_CONTRIBUTOR_ID = "org.eclipse.xtend.shared.ui.resourceContributor";
public static final String PLUGIN_ID = "org.eclipse.xtend.shared.ui";
public static final String getNatureId() {
return XtendXpandNature.NATURE_ID;
}
// The shared instance.
private static Activator plugin;
private static HashMap<String, ResourceContributor> contributors;
private IModelManager modelManager;
/**
* The constructor.
*/
public Activator() {
plugin = this;
modelManager = new XtendXpandModelManager();
}
private final IPropertyChangeListener listener = new IPropertyChangeListener() {
public void propertyChange(PropertyChangeEvent event) {
Job job = new Job("Analyzing workspace...") {
@Override
protected IStatus run(IProgressMonitor monitor) {
try {
new WorkspaceModifyOperation() {
@Override
protected void execute(IProgressMonitor monitor) throws CoreException, java.lang.reflect.InvocationTargetException,
InterruptedException {
Activator.getExtXptModelManager().analyze(monitor);
}
}.run(monitor);
} catch (InvocationTargetException e) {
XtendLog.logError(e);
} catch (InterruptedException e) {
XtendLog.logError(e);
}
return Status.OK_STATUS;
}
};
job.schedule();
}
};
/**
* This method is called upon plug-in activation
*/
@Override
public void start(final BundleContext context) throws Exception {
super.start(context);
getPreferenceStore().addPropertyChangeListener(listener);
// initialize mm contributors
Map<String, Contributor> registeredMetamodelContributors = MetamodelContributorRegistry.getRegisteredMetamodelContributors();
for (Contributor c : registeredMetamodelContributors.values()) {
c.getMetaModelContributor();
}
}
/**
* This method is called when the plug-in is stopped
*/
@Override
public void stop(final BundleContext context) throws Exception {
super.stop(context);
getPreferenceStore().removePropertyChangeListener(listener);
plugin = null;
}
/**
* Returns the shared instance.
*/
public static Activator getDefault() {
return plugin;
}
/**
* 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(final String path) {
return AbstractUIPlugin.imageDescriptorFromPlugin(getId(), path);
}
/**
* Returns the standard display to be used. The method first checks, if the
* thread calling this method has an associated display. If so, this display
* is returned. Otherwise the method returns the default display.
*/
public static Display getStandardDisplay() {
Display display = Display.getCurrent();
if (display == null) {
display = Display.getDefault();
}
return display;
}
public static String getId() {
return getDefault().getBundle().getSymbolicName();
}
public static ResourceContributor[] getRegisteredResourceContributors() {
final IExtensionRegistry registry = Platform.getExtensionRegistry();
final IExtensionPoint point = registry.getExtensionPoint(Activator.RESOURCE_CONTRIBUTOR_ID);
final Set<ResourceContributor> contrs = new HashSet<ResourceContributor>();
if (point != null) {
final IExtension[] extensions = point.getExtensions();
for (int i = 0; i < extensions.length; i++) {
final IExtension extension = extensions[i];
final IConfigurationElement[] configs = extension.getConfigurationElements();
for (int j = 0; j < configs.length; j++) {
final IConfigurationElement element = configs[j];
try {
contrs.add((ResourceContributor) element.createExecutableExtension("class"));
} catch (final CoreException e) {
XtendLog.logError(e);
}
}
}
}
return contrs.toArray(new ResourceContributor[contrs.size()]);
}
public static IModelManager getExtXptModelManager() {
return getDefault().modelManager;
}
public static ExecutionContext getExecutionContext(final IJavaProject project) {
final IXtendXpandProject xp = Activator.getExtXptModelManager().findProject(project.getPath());
final ExecutionContextImpl ctx = new PluginExecutionContextImpl(xp, new TypeSystemImpl());
final List<? extends MetamodelContributor> contr = MetamodelContributorRegistry.getActiveMetamodelContributors(project);
for (MetamodelContributor contributor : contr) {
final MetaModel[] metamodels = contributor.getMetamodels(project, ctx);
for (int i = 0; i < metamodels.length; i++) {
ctx.registerMetaModel(metamodels[i]);
}
}
return ctx;
}
public final static boolean isXtendFile(final Object object) {
if (object instanceof IFile)
return XtendFile.FILE_EXTENSION.equals(((IFile) object).getFileExtension());
return false;
}
public static ResourceContributor getRegisteredResourceContributorFor(String fileExtension) {
if (contributors == null) {
contributors = new HashMap<String, ResourceContributor>();
for (ResourceContributor contr : getRegisteredResourceContributors()) {
contributors.put(contr.getFileExtension(), contr);
}
}
return contributors.get(fileExtension);
}
public static void logError(String string, Exception e) {
getDefault().getLog().log(new Status(IStatus.ERROR,PLUGIN_ID, string,e));
}
}
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