RemoveNodeFromGroup.java

/*
Copyright 2008-2010 Gephi
Authors : Eduardo Ramos <eduramiba@gmail.com>
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.

The contents of this file are subject to the terms of either the GNU
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
Notice in each file and include the License files at
/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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"Portions Copyrighted [year] [name of copyright owner]"

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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Portions Copyrighted 2011 Gephi Consortium.
 */
package org.gephi.datalab.plugin.manipulators.nodes;

import javax.swing.Icon;
import org.gephi.datalab.api.GraphElementsController;
import org.gephi.datalab.spi.ManipulatorUI;
import org.gephi.graph.api.Node;
import org.openide.util.Lookup;
import org.openide.util.NbBundle;

/**
 * Nodes manipulator that removes a node from its group if it has one. If the last node of the group is removed, breaks the group.
 * @author Eduardo Ramos <eduramiba@gmail.com>
 */
public class RemoveNodeFromGroup extends BasicNodesManipulator {

    private Node[] nodes;

    public void setup(Node[] nodes, Node clickedNode) {
        this.nodes = nodes;
    }

    public void execute() {
        GraphElementsController gec = Lookup.getDefault().lookup(GraphElementsController.class);
        gec.removeNodesFromGroup(nodes);//At least 1 node is in a group. And we don't have to check now every node because the removeNodesFromGroup method does it for us.
    }

    public String getName() {
        if(nodes.length>1){
            return NbBundle.getMessage(RemoveNodeFromGroup.class, "RemoveNodeFromGroup.name.multiple");
        }else{
            return NbBundle.getMessage(RemoveNodeFromGroup.class, "RemoveNodeFromGroup.name.single");
        }
    }

    public String getDescription() {
        return "";
    }

    public boolean canExecute() {
        GraphElementsController gec = Lookup.getDefault().lookup(GraphElementsController.class);
        for (Node n : nodes) {
            if (gec.isNodeInGroup(n)) {
                return true;//If any of the nodes can be removed from its group, then allow to execute this action.
            }
        }
        return false;
    }

    public ManipulatorUI getUI() {
        return null;
    }

    public int getType() {
        return 300;
    }

    public int getPosition() {
        return 400;
    }

    public Icon getIcon() {
        return null;
    }
}