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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.netbeans.core.multitabs.project;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.Map;
import java.util.WeakHashMap;
import javax.swing.event.ChangeListener;
import org.netbeans.api.project.FileOwnerQuery;
import org.netbeans.api.project.Project;
import org.netbeans.api.project.ProjectInformation;
import org.netbeans.api.project.ProjectUtils;
import org.netbeans.api.project.ui.OpenProjects;
import org.netbeans.core.multitabs.impl.ProjectSupport;
import org.netbeans.swing.tabcontrol.TabData;
import org.openide.filesystems.FileObject;
import org.openide.loaders.DataObject;
import org.openide.util.ChangeSupport;
import org.openide.util.RequestProcessor;
import org.openide.util.lookup.ServiceProvider;
import org.openide.windows.TopComponent;
/**
*
* @author stan
*/
@ServiceProvider(service = ProjectSupport.class)
public class ProjectSupportImpl extends ProjectSupport {
private static final Map<FileObject, Project> file2project = new WeakHashMap<>(50);
private static final RequestProcessor RP = new RequestProcessor("TabProjectBridge"); //NOI18N
private static final ChangeSupport changeSupport = new ChangeSupport(RP);
private static PropertyChangeListener projectsListener;
public ProjectSupportImpl() {
}
@Override
public boolean isEnabled() {
return true;
}
@Override
public void addChangeListener( ChangeListener l ) {
synchronized( changeSupport ) {
changeSupport.addChangeListener(l);
if( null == projectsListener ) {
projectsListener = (PropertyChangeEvent evt) -> changeSupport.fireChange();
OpenProjects.getDefault().addPropertyChangeListener( projectsListener );
}
}
}
@Override
public void removeChangeListener( ChangeListener l ) {
synchronized( changeSupport ) {
changeSupport.removeChangeListener(l);
if( !changeSupport.hasListeners() && null != projectsListener ) {
OpenProjects.getDefault().removePropertyChangeListener( projectsListener );
projectsListener = null;
}
}
}
@Override
public ProjectProxy[] getOpenProjects() {
Project[] projects = OpenProjects.getDefault().getOpenProjects();
ProjectProxy[] res = new ProjectProxy[projects.length];
for( int i=0; i<projects.length; i++ ) {
Project p = projects[i];
ProjectProxy proxy = createProxy( p );
res[i] = proxy;
}
return res;
}
@Override
public ProjectProxy getProjectForTab( final TabData tab ) {
Project p = null;
if( null != tab && tab.getComponent() instanceof TopComponent ) {
TopComponent tc = ( TopComponent ) tab.getComponent();
DataObject dob = tc.getLookup().lookup( DataObject.class );
if( null != dob ) {
final FileObject fo = dob.getPrimaryFile();
if( null != fo ) {
synchronized( file2project ) {
p = file2project.get(fo);
if( null == p ) {
p = FileOwnerQuery.getOwner( fo );
if (null != p) {
file2project.put(fo, p);
}
}
}
}
}
}
return null == p ? null : createProxy( p );
}
private static ProjectProxy createProxy( Project p ) {
ProjectInformation info = ProjectUtils.getInformation( p );
FileObject projectDir = p.getProjectDirectory();
return new ProjectProxy( p, info.getDisplayName(), projectDir.getPath() );
}
}