org.coode.owlviz.command.ZoomOutCommand Maven / Gradle / Ivy

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A plug-in for the Protege Desktop ontology editor that provides a graphical representation of the class hierarchies in an OWL ontology.

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package org.coode.owlviz.command;

import org.coode.owlviz.ui.OWLVizViewI;
import org.coode.owlviz.util.graph.ui.GraphComponent;
import org.protege.editor.core.ui.util.Icons;
import org.protege.editor.core.ui.view.DisposableAction;

import javax.swing.*;
import java.awt.event.ActionEvent;
import java.util.Iterator;

/**
 * User: matthewhorridge

 * The Univeristy Of Manchester

 * Medical Informatics Group

 * Date: Feb 19, 2004


 * 
 * [email protected]

 * www.cs.man.ac.uk/~horridgm


 */
public class ZoomOutCommand extends DisposableAction {

    /**
     *
     */
    private static final long serialVersionUID = -1561016730692070510L;

    private OWLVizViewI view;

    public ZoomOutCommand(OWLVizViewI view) {
        super("Zoom Out", Icons.getIcon("zoom.out.png"));
        this.putValue(AbstractAction.SHORT_DESCRIPTION, "Zoom Out");
        this.view = view;
    }

    public void dispose() {
    }


    /**
     * Invoked when an action occurs.
     */
    public void actionPerformed(ActionEvent e) {
        for (Iterator it = view.getAllGraphComponents().iterator(); it.hasNext(); ) {
            GraphComponent graphComponent = (GraphComponent) it.next();
            int zoomLevel = graphComponent.getGraphView().getZoomLevel();
            zoomLevel -= 10;
            graphComponent.getGraphView().setZoomLevel(zoomLevel);
        }
    }
}