| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2006 Instituto de Desarrollo Regional and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ibez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   Instituto de Desarrollo Regional (Universidad de Castilla La-Mancha)

 *   Campus Universitario s/n

 *   02071 Alabacete

 *   Spain

 *

 *   +34 967 599 200

 */

package org.gvsig.remotesensing;

import javax.swing.Icon;

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

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

import org.gvsig.raster.gui.IGenericToolBarMenuItem;

import org.gvsig.remotesensing.tasseledcap.TransformationPanel;

import com.iver.andami.PluginServices;

import com.iver.andami.plugins.Extension;

import com.iver.cit.gvsig.fmap.MapContext;

import com.iver.cit.gvsig.fmap.layers.FLayer;

import com.iver.cit.gvsig.fmap.layers.FLayers;

import com.iver.cit.gvsig.project.documents.view.IProjectView;

import com.iver.cit.gvsig.project.documents.view.gui.View;

import com.iver.cit.gvsig.project.documents.view.toc.ITocItem;

import com.iver.utiles.extensionPoints.ExtensionPoints;

import com.iver.utiles.extensionPoints.ExtensionPointsSingleton;

/**

 * Extensi?n para el c?lculo de  transformaciones multiespectrales.

 * 

 * @author Diego Guerrero Sevilla (diego.guerrero@uclm.es)

 */

public class MultiespectralTransformationsExtension extends Extension implements IGenericToolBarMenuItem {

	static private MultiespectralTransformationsExtension singleton  = null;

	static public MultiespectralTransformationsExtension getSingleton() {

		if (singleton == null)

			singleton = new MultiespectralTransformationsExtension();

		return singleton;

	}	

	/*

	 * (non-Javadoc)

	 * @see com.iver.andami.plugins.IExtension#initialize()

	 */

	public void initialize() {

		ExtensionPoints extensionPoints = ExtensionPointsSingleton.getInstance();

		extensionPoints.add("GenericToolBarMenu", "Transformations", this);

	}

	/*

	 * (non-Javadoc)

	 * @see com.iver.andami.plugins.IExtension#execute(java.lang.String)

	 */

	public void execute(String actionCommand) {

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

			com.iver.andami.ui.mdiManager.IWindow activeWindow = PluginServices.getMDIManager().getActiveWindow();

			// si la ventana activa es de tipo Vista

			if (activeWindow instanceof View) {

				TransformationPanel pcPanel = new TransformationPanel ((View)activeWindow);

				PluginServices.getMDIManager().addWindow(pcPanel);

			}

		}

	}

	/*

	 * (non-Javadoc)

	 * @see com.iver.andami.plugins.IExtension#isEnabled()

	 */

	public boolean isEnabled() {

		com.iver.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager().getActiveWindow();

		if (f == null) {

			return false;

		}

		if (f.getClass() == View.class) {

			View vista = (View) f;

			IProjectView model = vista.getModel();

			MapContext mapa = model.getMapContext();

			FLayers layers = mapa.getLayers();

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

				if (layers.getLayer(i) instanceof FLyrRasterSE)

					return true;

		}

		return false;

	}

	/*

	 * (non-Javadoc)

	 * @see com.iver.andami.plugins.IExtension#isVisible()

	 */

	public boolean isVisible() {

		com.iver.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager().getActiveWindow();

		if (f == null) {

			return false;

		}

		if (f instanceof View) {

			View vista = (View) f;

			IProjectView model = vista.getModel();

			MapContext mapa = model.getMapContext();

			return mapa.getLayers().getLayersCount() > 0;

		} else {

			return false;

		}

	}

	/*

	 * (non-Javadoc)

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

	 */

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

		this.execute("transformations");

	}

	/*

	 * (non-Javadoc)

	 * @see org.gvsig.raster.gui.IGenericToolBarMenuItem#getGroup()

	 */

	public String getGroup() {

		return "RasterProcess";

	}

	/*

	 * (non-Javadoc)

	 * @see org.gvsig.raster.gui.IGenericToolBarMenuItem#getIcon()

	 */

	public Icon getIcon() {

		return PluginServices.getIconTheme().get("transform-icon");

	}

	/*

	 * (non-Javadoc)

	 * @see org.gvsig.raster.gui.IGenericToolBarMenuItem#getOrder()

	 */

	public int getOrder() {

		return 0;

	}

	/*

	 * (non-Javadoc)

	 * @see org.gvsig.raster.gui.IGenericToolBarMenuItem#getText()

	 */

	public String getText() {

		return PluginServices.getText(this, "transformations");

	}

	/*

	 * (non-Javadoc)

	 * @see org.gvsig.raster.gui.IGenericToolBarMenuItem#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))

			return false;

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

			return false;

		return true;

	}

	/*

	 * (non-Javadoc)

	 * @see org.gvsig.raster.gui.IGenericToolBarMenuItem#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 FLyrRasterSE))

			return false;

		return true;

	}

	/*

	 * (non-Javadoc)

	 * @see org.gvsig.raster.gui.IGenericToolBarMenuItem#getGroupOrder()

	 */

	public int getGroupOrder() {

		return 0;

	}

}