zoominaction.java

It is all about project scheduling. GanttProject is a tool for creating a project schedule by means

/*
 * Created on 03.11.2004
 */
package net.sourceforge.ganttproject.action;

import java.awt.event.ActionEvent;

import net.sourceforge.ganttproject.gui.zoom.ZoomEvent;
import net.sourceforge.ganttproject.gui.zoom.ZoomListener;
import net.sourceforge.ganttproject.gui.zoom.ZoomManager;

/**
 * @author bard
 */
public class ZoomInAction extends GPAction implements ZoomListener {
    private final ZoomManager myZoomManager;

    public ZoomInAction(ZoomManager zoomManager, String iconSize) {
        super("ZoomIn", iconSize);
        myZoomManager = zoomManager;
        myZoomManager.addZoomListener(this);
    }

    protected String getIconFilePrefix() {
        return "zoomp_";
    }

    public void actionPerformed(ActionEvent arg0) {
        if (myZoomManager.canZoomIn()) {
            myZoomManager.zoomIn();
        }
        setEnabled(myZoomManager.canZoomIn());
    }

    public void zoomChanged(ZoomEvent e) {
        setEnabled(myZoomManager.canZoomIn());
    }

    public void isIconVisible(boolean isNull) {
        setIconVisible(isNull);
    }

}