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/*******************************************************************************
* Copyright (c) 2008-2010 Sonatype, Inc.
* 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:
* Sonatype, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.m2e.core.ui.internal;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jface.viewers.ILabelDecorator;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.LabelProviderChangedEvent;
import org.eclipse.m2e.core.MavenPlugin;
import org.eclipse.m2e.core.embedder.ArtifactKey;
import org.eclipse.m2e.core.project.IMavenProjectChangedListener;
import org.eclipse.m2e.core.project.IMavenProjectFacade;
import org.eclipse.m2e.core.project.MavenProjectChangedEvent;
import org.eclipse.m2e.core.project.IMavenProjectRegistry;
import org.eclipse.swt.graphics.Image;
/**
* @author Eugene Kuleshov
*/
public class MavenVersionDecorator implements ILabelDecorator {
private Map<ILabelProviderListener, IMavenProjectChangedListener> listeners = new HashMap<ILabelProviderListener, IMavenProjectChangedListener>();
public Image decorateImage(Image image, Object element) {
return null;
}
public String decorateText(String text, Object element) {
if(element instanceof IResource) {
IResource resource = (IResource) element;
IProject project = resource.getProject();
if(project!=null) {
IMavenProjectRegistry projectManager = MavenPlugin.getDefault().getMavenProjectRegistry();
IMavenProjectFacade facade = projectManager.create(project, new NullProgressMonitor());
if(facade!=null) {
ArtifactKey mavenProject = facade.getArtifactKey();
if(mavenProject!=null) {
String name = resource.getName();
int start = text.indexOf(name);
if(start>-1) {
int n = text.indexOf(' ', start + name.length());
if(n>-1) {
return text.substring(0, n) + " " + mavenProject.getVersion() + text.substring(n); //$NON-NLS-1$
}
}
return text + " " + mavenProject.getVersion(); //$NON-NLS-1$
}
}
}
}
return null;
}
public boolean isLabelProperty(Object element, String property) {
return false;
}
public void addListener(final ILabelProviderListener listener) {
IMavenProjectChangedListener projectChangeListener = new IMavenProjectChangedListener() {
public void mavenProjectChanged(MavenProjectChangedEvent[] events, IProgressMonitor monitor) {
ArrayList<IResource> pomList = new ArrayList<IResource>();
for(int i = 0; i < events.length; i++ ) {
// pomList.add(events[i].getSource());
if(events[i]!=null && events[i].getMavenProject()!=null) {
IFile pom = events[i].getMavenProject().getPom();
pomList.add(pom);
if(pom.getParent().getType()==IResource.PROJECT) {
pomList.add(pom.getParent());
}
}
}
listener.labelProviderChanged(new LabelProviderChangedEvent(MavenVersionDecorator.this, pomList.toArray()));
}
};
listeners.put(listener, projectChangeListener);
IMavenProjectRegistry projectManager = MavenPlugin.getDefault().getMavenProjectRegistry();
projectManager.addMavenProjectChangedListener(projectChangeListener);
}
public void removeListener(ILabelProviderListener listener) {
IMavenProjectChangedListener projectChangeListener = listeners.get(listener);
if(projectChangeListener!=null) {
IMavenProjectRegistry projectManager = MavenPlugin.getDefault().getMavenProjectRegistry();
projectManager.removeMavenProjectChangedListener(projectChangeListener);
}
}
public void dispose() {
// TODO remove all listeners
}
}
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