PerspectiveControllerImpl.java

/*
Copyright 2008-2010 Gephi
Authors : Mathieu Bastian <mathieu.bastian@gephi.org>
Website : http://www.gephi.org

This file is part of Gephi.

DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

Copyright 2011 Gephi Consortium. All rights reserved.

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General Public License Version 3 only ("GPL") or the Common
Development and Distribution License("CDDL") (collectively, the
"License"). You may not use this file except in compliance with the
License. You can obtain a copy of the License at
http://gephi.org/about/legal/license-notice/
or /cddl-1.0.txt and /gpl-3.0.txt. See the License for the
specific language governing permissions and limitations under the
License.  When distributing the software, include this License Header
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/cddl-1.0.txt and /gpl-3.0.txt. If applicable, add the following below the
License Header, with the fields enclosed by brackets [] replaced by
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If you wish your version of this file to be governed by only the CDDL
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"[Contributor] elects to include this software in this distribution
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 */
package org.gephi.perspective;

import org.gephi.perspective.api.PerspectiveController;
import org.gephi.perspective.spi.Perspective;
import org.gephi.perspective.spi.PerspectiveMember;
import org.openide.util.Lookup;
import org.openide.util.NbPreferences;
import org.openide.util.lookup.ServiceProvider;
import org.openide.windows.TopComponent;
import org.openide.windows.TopComponentGroup;
import org.openide.windows.WindowManager;

/**
 * 
 * @author Mathieu Bastian
 */
@ServiceProvider(service = PerspectiveController.class)
public class PerspectiveControllerImpl implements PerspectiveController {
    
    private static final String SELECTED_PERSPECTIVE_PREFERENCE = "PerspectiveControllerImpl_selectedPerspective";
    //Data
    private String selectedPerspective;
    private final Perspective[] perspectives;
    private final PerspectiveMember[] members;
    
    public PerspectiveControllerImpl() {
        //Load perspectives
        perspectives = Lookup.getDefault().lookupAll(Perspective.class).toArray(new Perspective[0]);
        members = Lookup.getDefault().lookupAll(PerspectiveMember.class).toArray(new PerspectiveMember[0]);

        //Find if there is a default
        String firstPerspective = perspectives.length > 0 ? perspectives[0].getName() : null;
        String defaultPerspectiveName = System.getProperty("org.gephi.perspective.default");
        if (defaultPerspectiveName != null) {
            for (Perspective p : perspectives) {
                if (p.getName().equals(defaultPerspectiveName)) {
                    selectedPerspective = p.getName();
                    break;
                }
            }
        }
        if (selectedPerspective == null) {
            selectedPerspective = NbPreferences.root().get(SELECTED_PERSPECTIVE_PREFERENCE, firstPerspective);
        }

        //Store selected in prefs
        NbPreferences.root().put(SELECTED_PERSPECTIVE_PREFERENCE, selectedPerspective);
        
        WindowManager.getDefault().invokeWhenUIReady(new Runnable() {
            
            @Override
            public void run() {
                //Set to previously selected perspective
                Perspective selectedPerspectiveInstance = getSelectedPerspective();
                
                openAndCloseMembers(selectedPerspectiveInstance);
            }
        });
    }
    
    @Override
    public Perspective[] getPerspectives() {
        return perspectives;
    }
    
    @Override
    public Perspective getSelectedPerspective() {
        for (Perspective p : perspectives) {
            if (p.getName().equals(selectedPerspective)) {
                return p;
            }
        }
        return null;
    }
    
    @Override
    public void selectPerspective(Perspective perspective) {
        if (perspective.getName().equals(selectedPerspective)) {
            return;
        }
        
        openAndCloseMembers(perspective);
        
        selectedPerspective = perspective.getName();
        NbPreferences.root().put(SELECTED_PERSPECTIVE_PREFERENCE, selectedPerspective);
    }
    
    private void openAndCloseMembers(Perspective perspective) {
        //Close other perspective based on group name
        for (Perspective g : perspectives) {
            if (g != perspective) {
                TopComponentGroup tpg = WindowManager.getDefault().findTopComponentGroup(g.getName());
                if (tpg != null) {
                    tpg.close();
                }
            }
        }

        //Open perspective
        TopComponentGroup tpg = WindowManager.getDefault().findTopComponentGroup(perspective.getName());
        if (tpg != null) {
            tpg.open();
        }


        //Close members
        for (TopComponent c : WindowManager.getDefault().getRegistry().getOpened()) {
            String pId = WindowManager.getDefault().findTopComponentID((TopComponent) c);
            for (PerspectiveMember perspectiveMember : members) {
                if (pId.equals(perspectiveMember.getTopComponentId()) && !perspectiveMember.isMemberOf(perspective)) {
                    boolean closed = c.close();
                }
            }
        }


        //Open members
        for (PerspectiveMember perspectiveMember : members) {
            if (perspectiveMember.isMemberOf(perspective)) {
                String pId = perspectiveMember.getTopComponentId();
                TopComponent c = WindowManager.getDefault().findTopComponent(pId);
                if (c != null && !c.isOpened()) {
                    c.open();
                }
            }
        }
    }
}