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/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

/**

 * 

 */

package org.gvsig.coreplugin.menus;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.net.URL;

import javax.swing.ImageIcon;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.plugins.Extension;

import org.gvsig.andami.plugins.config.generate.Menu;

import org.gvsig.andami.ui.mdiFrame.SelectableToolBar;

import org.gvsig.utils.XMLEntity;

/**

 * @author cesar

 *

 */

public class ToolbarMenus extends Extension implements ActionListener {

        private final String ACTIONCOMMANDBASE = "CHANGE_VISIBILITY-";

        private final String MENUBASE = "Ver/Toolbars/";

        private final String ENABLEDIMAGE = "images/enabled.png";

        /* (non-Javadoc)

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

         */

        public void execute(String actionCommand) {

                // TODO Auto-generated method stub

        }

        /* (non-Javadoc)

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

         */

        public boolean isEnabled() {

                return true;

        }

        /* (non-Javadoc)

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

         */

        public boolean isVisible() {

                // TODO Auto-generated method stub

                return false;

        }

        /*

         *  (non-Javadoc)

         * @see com.iver.andami.plugins.Extension#actionPerformed()

         */

        public void actionPerformed(ActionEvent e) {

                String toolbarName = e.getActionCommand().substring(ACTIONCOMMANDBASE.length());

                javax.swing.JMenuItem menu = PluginServices.getMainFrame().getMenuEntry((MENUBASE+toolbarName).split("/"));

                if (!toolbarName.equals("")) {

                        boolean oldVisibility = PluginServices.getMainFrame().getToolbarVisibility(toolbarName);

                        if (oldVisibility==false) {

                                URL icon = PluginServices.getPluginServices(this).getClassLoader().getResource(ENABLEDIMAGE);                                

                                menu.setIcon(new ImageIcon(icon));

                                persistStatus(toolbarName, !oldVisibility);

                        }

                        else {

                                menu.setIcon(null);

                                persistStatus(toolbarName, !oldVisibility);

                        }

                        PluginServices.getMainFrame().setToolbarVisibility(toolbarName, !oldVisibility);

                }

        }

        /*

         *  (non-Javadoc)

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

         */

        public void initialize() {

                getPersistedStatus();

                SelectableToolBar[] toolBars = PluginServices.getMainFrame().getToolbars();

                for (int i=toolBars.length-1; i>0; i--) {

                        Menu menu = new Menu();

                        menu.setActionCommand(ACTIONCOMMANDBASE+toolBars[i].getName());

                        //menu.setTooltip(PluginServices.getText(this, "muestra_oculta_la_toolbar"));

                        menu.setText(MENUBASE+toolBars[i].getName());

                        if (toolBars[i].getAndamiVisibility())

                                menu.setIcon(ENABLEDIMAGE);

                        PluginServices.getMainFrame().addMenu(menu, this, PluginServices.getPluginServices(this).getClassLoader());

                }

        }

        /**

         * Save the status of the provided toolbar.

         * 

         * @param toolbarName The toolbar name whose status wants to be saved.

         * @param visible Whether or not the toolbar is visible.

         */

        private void persistStatus(String toolbarName, boolean visible) {

                PluginServices ps = PluginServices.getPluginServices(this); 

                XMLEntity xml = ps.getPersistentXML();

                XMLEntity child = null;

                for (int i=xml.getChildrenCount()-1; i>=0; i--) {

                        if (xml.getChild(i).getName().equals("Toolbars"))

                                child = xml.getChild(i).getChild(0);

                }

                if (child==null) {

                        XMLEntity toolbars = new XMLEntity();

                        toolbars.setName("Toolbars");

                        child = new XMLEntity();

                        toolbars.addChild(child);

                        xml.addChild(toolbars);

                }

                if (visible) {

                        child.putProperty(toolbarName, "visible");

                }

                else {

                        child.putProperty(toolbarName, "hidden");

                }

                ps.setPersistentXML(xml);

        }

        /**

         * Reads the stored toolbars' status from plugin-persinstence.xml,

         * and sets the toolbars accordingly. 

         *

         */

        private void getPersistedStatus() {

                PluginServices ps = PluginServices.getPluginServices(this); 

                XMLEntity xml = ps.getPersistentXML();

                XMLEntity child = null;

                for (int i=xml.getChildrenCount()-1; i>=0; i--) {

                        if (xml.getChild(i).getName().equals("Toolbars"))

                                child = xml.getChild(i).getChild(0);

                }

                if (child!=null) {

                        SelectableToolBar[] toolBars = PluginServices.getMainFrame().getToolbars();

                        for (int i=toolBars.length-1; i>=0; i--) {

                                if (child.contains(toolBars[i].getName()))

                                        toolBars[i].setAndamiVisibility(child.getStringProperty(toolBars[i].getName()).equals("visible"));

                        }

                }

        }

}