Aplicación gvSIG con fines educativos » Interfaz de usuario

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.educa.thematicmap.app.viewer;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.andami.ui.mdiManager.IWindow;

import org.gvsig.app.project.documents.view.toolListeners.AreaListener;

import org.gvsig.app.project.documents.view.toolListeners.MeasureListener;

import org.gvsig.educa.thematicmap.app.viewer.ui.ThematicMapDocumentViewer;

import org.gvsig.educa.thematicmap.swing.ThematicMapSwingLocator;

import org.gvsig.educa.thematicmap.swing.viewer.MapControlToolRegistrant;

import org.gvsig.fmap.mapcontext.layers.FLayers;

import org.gvsig.fmap.mapcontrol.MapControl;

import org.gvsig.fmap.mapcontrol.tools.Behavior.PolygonBehavior;

import org.gvsig.fmap.mapcontrol.tools.Behavior.PolylineBehavior;

/**

 * ThematicMap Measure tool extension

 * 

 * @author gvSIG Team

 * @version $Id$

 * 

 */

public class ThematicMapMeasureToolsExtension extends Extension implements

    MapControlToolRegistrant {

    public void initialize() {

        // Nothing to do

    }

    @Override

    public void postInitialize() {

        // Register tools

        ThematicMapSwingLocator.getSwingManager().addMapControlRegistrant(this);

    }

    public boolean isEnabled() {

        IWindow window = PluginServices.getMDIManager().getActiveWindow();

        if (window instanceof ThematicMapDocumentViewer) {

            ThematicMapDocumentViewer viewer =

                (ThematicMapDocumentViewer) window;

            FLayers layers =

                viewer.getThematicMap().getMapContext().getLayers();

            for (int i = 0; i < layers.getLayersCount(); i++) {

                if (layers.getLayer(i).isAvailable()) {

                    return true;

                }

            }

        }

        return false;

    }

    public boolean isVisible() {

        IWindow window = PluginServices.getMDIManager().getActiveWindow();

        return window instanceof ThematicMapDocumentViewer;

    }

    public void registerTools(MapControl mapControl) {

        // Medir

        MeasureListener mli = new MeasureListener(mapControl);

        mapControl.addBehavior("medicion", new PolylineBehavior(mli));

        // Area

        AreaListener ali = new AreaListener(mapControl);

        mapControl.addBehavior("area", new PolygonBehavior(ali));

    }

    public void execute(String actionCommand) {

        IWindow window = PluginServices.getMDIManager().getActiveWindow();

        if (!(window instanceof ThematicMapDocumentViewer)) {

            return;

        }

        ThematicMapDocumentViewer tmDocViewer =

            (ThematicMapDocumentViewer) window;

        MapControl mapCtrl = tmDocViewer.getViewer().getMapControl();

        if (actionCommand.equals("MEDICION")) {

            mapCtrl.setTool("medicion");

        }

        if (actionCommand.equals("AREA")) {

            mapCtrl.setTool("area");

        }

    }

}