Application: gvSIG desktop » gvSIG Document Layout

/* 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 javax.swing.JOptionPane;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.PluginsLocator;

import org.gvsig.andami.PluginsManager;

import org.gvsig.andami.actioninfo.ActionInfoManager;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.andami.plugins.Extension;

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

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.ApplicationManager;

import org.gvsig.app.project.documents.layout.LayoutDocument;

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

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

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

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

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dataTypes.DataTypes;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * 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 static Logger logger = LoggerFactory.getLogger(FFrameViewExtension.class);

    /**

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

     */

    public void initialize() {

    }

    /**

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

     */

    public void execute(String command, Object[] args) {

            if (command.endsWith("view-change-scale")) {

                    ApplicationManager manager = ApplicationLocator.getManager();

                    IWindow window = manager.getActiveWindow();

                    if (!(window instanceof LayoutPanel)) {

                            return;

                    }

                    LayoutPanel layout = (LayoutPanel) window;

                    try {

                            if (args.length>0) {

                                    Long scale = (Long) ToolsLocator.getDataTypesManager().coerce(DataTypes.LONG, args[0]);

                                    if (layout!=null &&

                                                    layout.getLayoutControl()!=null &&

                                                    layout.getLayoutControl().getLayoutFunctions()!=null) {

                                            layout.getLayoutControl().getLayoutFunctions().setScale(scale);

                                    }

                            }

                    } catch (Throwable ex) {

                            logger.info("Can't change scale of view.", ex);

                            ApplicationLocator.getManager().message("Can't change scale of view.", JOptionPane.ERROR_MESSAGE);

                    }

            }

            else {

                    execute(command);        

            }

    }

    /**

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

     */

    public void execute(String s) {

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

        if (s.compareTo("layout-view-navigation-zoom-in-topoint") == 0) {

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

        } else if (s.compareTo("layout-view-navigation-zoom-out-topoint") == 0) {

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

        } else if (s.compareTo("layout-view-navigation-zoom-all") == 0) {

                try {

                        layout.getLayoutControl().viewFull();

                } catch (ReadException e) {

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

                }

        }

        else {

                return;

        }

        layout.getDocument().setModified(true);

    }

    /**

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

     */

    public boolean isEnabled() {

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

            if (window instanceof LayoutPanel) {

                    LayoutPanel l =

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

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

                            return false;

                    }

                    IFFrameUseFMap[] fframes = l.getLayoutContext().getSelectedFFrames(IFFrameUseFMap.class);

                    if (fframes.length==1 && !(fframes[0] instanceof FFrameOverView)) {

                            IFFrameUseFMap fframeview = (IFFrameUseFMap) fframes[0];

                            if (fframeview.getScaleType()==IFFrameUseFMap.SCALE_TYPE.NORMAL) {

                                    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) {

            return true;

        } else {

            return false;

        }

    }

}