Application: gvSIG desktop

/* 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.app.extension;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.andami.plugins.Extension;

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

import org.gvsig.app.project.documents.layout.fframes.FFrameOverView;

import org.gvsig.app.project.documents.layout.fframes.FFrameView;

import org.gvsig.app.project.documents.layout.fframes.IFFrame;

import org.gvsig.app.project.documents.layout.gui.LayoutPanel;

import org.gvsig.fmap.dal.exception.ReadException;

/**

 * Extensi?n preparada para controlar las opciones que se pueden realizar sobre

 * una vista a?adida en el Layout.

 * 

 * @author Vicente Caballero Navarro

 */

public class FFrameViewExtension extends Extension {

    private LayoutPanel layout = null;

    /**

     * @see org.gvsig.andami.plugins.IExtension#initialize()

     */

    public void initialize() {

        registerIcons();

    }

    private void registerIcons() {

        PluginServices.getIconTheme().registerDefault("view-zoom-in",

            this.getClass().getClassLoader().getResource("images/ZoomIn.png"));

        PluginServices.getIconTheme().registerDefault("view-zoom-out",

            this.getClass().getClassLoader().getResource("images/ZoomOut.png"));

        PluginServices.getIconTheme().registerDefault(

            "view-zoom-map-contents",

            this.getClass().getClassLoader()

                .getResource("images/MapContents.png"));

        PluginServices.getIconTheme().registerDefault("view-pan",

            this.getClass().getClassLoader().getResource("images/Pan.png"));

    }

    /**

     * @see org.gvsig.andami.plugins.IExtension#execute(java.lang.String)

     */

    public void execute(String s) {

        layout = (LayoutPanel) PluginServices.getMDIManager().getActiveWindow();

        if (s.compareTo("VIEW_ZOOMIN") == 0) {

            layout.getLayoutControl().setTool("layoutviewzoomin");

        } else

            if (s.compareTo("VIEW_ZOOMOUT") == 0) {

                layout.getLayoutControl().setTool("layoutviewzoomout");

            } else

                if (s.compareTo("VIEW_FULL") == 0) {

                    try {

                        layout.getLayoutControl().viewFull();

                    } catch (ReadException e) {

                        NotificationManager.addError("Error de Driver", e);

                    }

                } else

                    if (s.compareTo("VIEW_PAN") == 0) {

                        layout.getLayoutControl().setTool("layoutviewpan");

                    }

        layout.getDocument().setModified(true);

    }

    /**

     * @see org.gvsig.andami.plugins.IExtension#isEnabled()

     */

    public boolean isEnabled() {

        LayoutPanel l =

            (LayoutPanel) PluginServices.getMDIManager().getActiveWindow();

        IFFrame[] fframes = l.getLayoutContext().getFFrameSelected();

        if (!l.getLayoutContext().isEditable()) {

            return false;

        }

        for (int i = 0; i < fframes.length; i++) {

            if (fframes[i] instanceof FFrameView

                && !(fframes[i] instanceof FFrameOverView)) {

                if (((FFrameView) fframes[i]).getView() != null) {

                    return true;

                }

            }

        }

        return false;

    }

    /**

     * @see org.gvsig.andami.plugins.IExtension#isVisible()

     */

    public boolean isVisible() {

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

        if (f == null) {

            return false;

        }

        if (f instanceof LayoutPanel) {

            // Layout layout = (Layout) f;

            return true; // layout.m_Display.getMapControl().getMapContext().getLayers().layerCount()

                         // > 0;

        } else {

            return false;

        }

    }

}