Application: gvSIG desktop » gvSIG raster

/* 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.raster.tools.app.basic.tool.multiresolution;

import java.awt.Component;

import java.beans.PropertyChangeEvent;

import java.beans.PropertyChangeListener;

import javax.swing.Icon;

import javax.swing.JOptionPane;

import org.gvsig.andami.PluginServices;

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

import org.gvsig.app.project.documents.view.gui.AbstractViewPanel;

import org.gvsig.app.project.documents.view.toc.AbstractTocContextMenuAction;

import org.gvsig.app.project.documents.view.toc.ITocItem;

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

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

import org.gvsig.fmap.mapcontrol.MapControl;

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

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

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

import org.gvsig.raster.fmap.layers.FLyrRaster;

import org.gvsig.raster.fmap.layers.ILayerState;

import org.gvsig.raster.tools.app.basic.RasterToolsUtil;

import org.gvsig.raster.tools.app.basic.raster.gui.IGenericToolBarMenuItem;

/**

 * Entry point for zoom by resolution level

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class ZoomResolutionLevelTocMenuEntry extends AbstractTocContextMenuAction implements PropertyChangeListener, IGenericToolBarMenuItem {

        static private ZoomResolutionLevelTocMenuEntry singleton  = null;

        /**

         * Nadie puede crear una instancia a esta clase ?nica, hay que usar el

         * getSingleton()

         */

        private ZoomResolutionLevelTocMenuEntry() {}

        /**

         * Devuelve un objeto unico a dicha clase

         * @return

         */

        static public ZoomResolutionLevelTocMenuEntry getSingleton() {

                if (singleton == null)

                        singleton = new ZoomResolutionLevelTocMenuEntry();

                return singleton;

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.contextMenu.AbstractContextMenuAction#getGroup()

         */

        public String getGroup() {

                return "RasterLayer";

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.contextMenu.AbstractContextMenuAction#getGroupOrder()

         */

        public int getGroupOrder() {

                return 10;

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.contextMenu.AbstractContextMenuAction#getOrder()

         */

        public int getOrder() {

                return 90;

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.IContextMenuAction#getText()

         */

        public String getText() {

                return RasterToolsUtil.getText(this, "goto_resolution_level");

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.view.toc.AbstractTocContextMenuAction#isEnabled(com.iver.cit.gvsig.project.documents.view.toc.ITocItem, com.iver.cit.gvsig.fmap.layers.FLayer[])

         */

        public boolean isEnabled(ITocItem item, FLayer[] selectedItems) {

                if ((selectedItems == null) || (selectedItems.length != 1))

                        return false;

                if (selectedItems[0] instanceof ILayerState) {

                        if (!((ILayerState) selectedItems[0]).isOpen())

                                return false;

                        if (selectedItems[0] instanceof FLyrRaster) {

                                FLyrRaster lyr = (FLyrRaster)selectedItems[0];

                                if(lyr.isTiled())

                                        return true;

                        }

                }

                return false;

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.view.toc.AbstractTocContextMenuAction#isVisible(com.iver.cit.gvsig.project.documents.view.toc.ITocItem, com.iver.cit.gvsig.fmap.layers.FLayer[])

         */

        public boolean isVisible(ITocItem item, FLayer[] selectedItems) {

                if ((selectedItems == null) || (selectedItems.length != 1))

                        return false;

                if (selectedItems[0] instanceof FLyrRaster)

                        return true;

                return false;

        }

        /*

         * (non-Javadoc)

         * @see com.iver.cit.gvsig.project.documents.view.toc.AbstractTocContextMenuAction#execute(com.iver.cit.gvsig.project.documents.view.toc.ITocItem, com.iver.cit.gvsig.fmap.layers.FLayer[])

         */

        public void execute(ITocItem item, FLayer[] selectedItems) {                

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

                if(!(theView instanceof AbstractViewPanel)) {

                        JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(), PluginServices.getText(this.getClass(), "window_not_valid"));

                        return;

                }

                MapControl mapCtrl = ((AbstractViewPanel)theView).getMapControl();

                StatusBarListener sbl = new StatusBarListener(mapCtrl);

                ResolutionLevelListener rll = new ResolutionLevelListener();

                mapCtrl.addBehavior("zoomResolutionLevel", new Behavior[]{new PointBehavior(rll),

                                new MouseMovementBehavior(sbl)});

                mapCtrl.setTool("zoomResolutionLevel");

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.rastertools.generictoolbar.IGenericToolBarMenuItem#getIcon()

         */

        public Icon getIcon() {

                return RasterToolsUtil.getIcon("layer-zoom-res-level");

        }

        public void propertyChange(PropertyChangeEvent evt) {}

}