de.fhg.igd.mapviewer.view.MapToolAction.java Source code

Introduction

Here is the source code for de.fhg.igd.mapviewer.view.MapToolAction.java

Source

/*
 * Copyright (c) 2016 Fraunhofer IGD
 * 
 * All rights reserved. This program and the accompanying materials are made
 * available under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution. If not, see <http://www.gnu.org/licenses/>.
 * 
 * Contributors:
 *     Fraunhofer IGD <http://www.igd.fraunhofer.de/>
 */
package de.fhg.igd.mapviewer.view;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.PlatformUI;

import de.fhg.igd.mapviewer.BasicMapKit;
import de.fhg.igd.mapviewer.MapTool;
import de.fhg.igd.mapviewer.tools.AbstractMapTool;
import de.fhg.igd.mapviewer.tools.Activator;
import de.fhg.igd.mapviewer.view.arecalculation.AreaCalc;

/**
 * MapToolAction
 *
 * @author <a href="mailto:simon.templer@igd.fhg.de">Simon Templer</a>
 *
 * @version $Id$
 */
public class MapToolAction extends Action implements Activator {

    private static final Log log = LogFactory.getLog(MapToolAction.class);

    private final AbstractMapTool tool;

    private final BasicMapKit mapKit;

    /**
     * Creates an action that activates the given tool
     * 
     * @param tool the map tool
     * @param mapKit the map kit
     * @param checked if the map tool shall be activated initially
     */
    public MapToolAction(AbstractMapTool tool, BasicMapKit mapKit, boolean checked) {
        super(tool.getName(), Action.AS_RADIO_BUTTON);

        tool.setMapKit(mapKit);
        tool.setActivator(this);

        // set icon
        if (tool.getIconURL() != null) {
            try {
                setImageDescriptor(ImageDescriptor.createFromURL(tool.getIconURL()));
            } catch (Exception e) {
                log.warn("Error creating action icon", e); //$NON-NLS-1$
            }
        }

        // set tool tip
        setToolTipText(tool.getDescription());

        this.tool = tool;
        this.mapKit = mapKit;

        if (checked) {
            setChecked(true);
            mapKit.setMapTool(tool);
        }
    }

    /**
     * @see Activator#activate()
     */
    @Override
    public void activate() {
        AreaCalc.getInstance().setArea("");
        PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {

            @Override
            public void run() {
                setChecked(true);
            }

        });
    }

    /**
     * @see Action#run()
     */
    @Override
    public void run() {
        // if (isChecked()) { XXX not working in combination w/
        // HTMLToolTipProvider
        mapKit.setMapTool(tool);
        // }
    }

    /**
     * @return the {@link MapTool}
     */
    public MapTool getTool() {
        return tool;
    }

}