Application: gvSIG desktop

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

 *

 * Copyright (C) 2004-2006 IVER T.I. 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 Iba?ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *   +34 963862235

 *   gvsig@gva.es

 *   www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package org.gvsig.publish.gui.publish;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.Observable;

import java.util.Observer;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import org.gvsig.publish.PublishLogger;

import org.gvsig.publish.PublishRegister;

import org.gvsig.publish.exceptions.PublishException;

import org.gvsig.publish.serversmodel.Publication;

import com.iver.andami.PluginServices;

/**

 * This class represents the controller for the publish use case

 * <p>

 * Responsabilities:

 * <p>

 * To create the publish window

 * <p>

 * To get the actions from the window

 *   

 * @author Jos? Vicente Hig?n (josevicente.higon@iver.es)

 *

 */

public class PublishController implements ActionListener, Observer {

        //events

        public static final String PUBLISH_EVENT_ACCEPT="accept_publish";

        public static final String PUBLISH_EVENT_CANCEL="cancel_publish";

        //associations

        private PublishWindow window = null;

        private Publication publication = null;

        private IPublishPluginController pluginCtrl = null;

        private String initialMessage=null;

        /**

         * Constructor

         */

        public PublishController(){

                        window = new PublishWindow();

                        window.setListener(this);

        }

        /**

         * 

         * @return publication active

         */

        public Publication getPublication(){

                return publication;

        }

        /**

         * The publication class needs a IWindow

         * @return IWindow 

         */

        public PublishWindow getWindow(){

                if (getInitialMessage() != null){

                        JOptionPane.showMessageDialog(window,                                

                                getInitialMessage(),

                                PluginServices.getText(this,"publish_publication_has_changed"),

                                JOptionPane.WARNING_MESSAGE);

                }

                updateWindow();

                return window;

        }

        /**

         * Shown the controller's window.

         * Preconditions: first you must call setPublication

         */

        public void showWindow(){                

                window.showWindow();

        }        

        /**

         * Sets the controller's publication

         * 

         * @param publication

         */

        public void setPublication(Publication publication){

                //if there isn't publications it creates one

                if (publication==null){

                        //TODO I need to throw an exception

                        //PublishLogger.getLog().error("ERROR: PublishController, the active publication is null ", new PublishException());

                        PublishLogger.getLog().error("ERROR: PublishController, the active publication is null");

                }else{        

                        this.publication = publication;

                }                

        }

        /**

         * Actions from publish window 

         */

        public void actionPerformed(ActionEvent e) {

                if (e.getActionCommand().equals(PublishController.PUBLISH_EVENT_CANCEL)){                        

                        window.closeWindow();

                }

                if (e.getActionCommand().equals(PublishController.PUBLISH_EVENT_ACCEPT)){                        

                        try {

                                //TODO: I don't know if this is the best method

                                //I'm forcing to do a GetModel()

                                //Why I can't use the plugincontroller instead?                                

                                //window.getActivePublication();

                                pluginCtrl.getModel();

                                String aux = publication.getServer().publish();

                                JOptionPane.showMessageDialog(window,

                                                PluginServices.getText(this,aux),

                                                PluginServices.getText(this,"publish_correct_publication"),                                                

                                                JOptionPane.INFORMATION_MESSAGE);                                                                                

                        } catch (PublishException e1) {

                                PublishLogger.getLog().error("ERROR PublishController: error_publishing");

                                //show a dialog

                                JOptionPane.showMessageDialog(window,                                                

                                                PluginServices.getText(this, e1.getMessage()),

                                                PluginServices.getText(this,"publish_error_publishing"),                                                

                                                JOptionPane.ERROR_MESSAGE);

                                return;

                        }

                        window.closeWindow();

                }                

        }

        /**

         * @see java.util.Observer#update(Observable, Object)

         */

        public void update(Observable o, Object arg) {

                if (o instanceof Publication){

                        setPublication((Publication)o);                        

                        updateWindow();

                }else{

                        PublishLogger.getLog().error("ERROR PublishController: The observable object must be a publication" );

                }

        }

        private void updateWindow() {

                if (publication ==null){

                        PublishLogger.getLog().error("ERROR " + getClass().getName() + " I can't update the window, publication is null!!");

                        return;

                }

                //get active publication

                if (publication.getServer()==null){

                        return;

                }

                String key = publication.getServer().getRegisterTag();

                //get controller                

                pluginCtrl = (IPublishPluginController) PublishRegister.register().getController(key);

                if (pluginCtrl == null){

                        PublishLogger.getLog().error("ERROR " + getClass().getName() + "The gui controller has not been loaded!!");

                        window.closeWindow();

                        return;

                }

                pluginCtrl.setModel(publication);

                //TODO: check casting

                IPublishPluginPanel publishPanel = pluginCtrl.getPanel();

                JPanel panel = null;

                try{

                        panel = (JPanel) publishPanel;

                }catch(ClassCastException e){

                        PublishLogger.getLog().error("ERROR Publish Controller",e);

                }        

                window.setPublicationPanel(panel);

        }

        /**

         * @return the initialMessage

         */

        public String getInitialMessage() {

                return initialMessage;

        }

        /**

         * @param initialMessage the initialMessage to set

         */

        public void setInitialMessage(String initialMessage) {

                this.initialMessage = initialMessage;

        }

}