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.

 * 

 */

/*

 * AUTHORS (In addition to CIT):

 * 2009 {Iver T.I.}   {Task}

 */

package org.gvsig.app.daltransform.gui;

import java.util.ArrayList;

import javax.swing.DefaultListModel;

import javax.swing.JList;

import javax.swing.JScrollPane;

import javax.swing.JTextArea;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import jwizardcomponent.JWizardComponents;

import jwizardcomponent.JWizardPanel;

import org.gvsig.AppGvSigLocator;

import org.gvsig.app.daltransform.FeatureTransformManager;

import com.iver.andami.PluginServices;

/**

 * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>

 */

public class SelectTransformWizard extends JWizardPanel implements ListSelectionListener{

        private JList transformList;

        private JScrollPane transformScrollPane;

        private JScrollPane descriptionScrollPane;

        private JTextArea descriptionText;

        /**

         * @param wizardComponents

         */

        public SelectTransformWizard(JWizardComponents wizardComponents) {

                super(wizardComponents);        

                initComponents();

                initLabels();

                addTransforms();

                transformList.addListSelectionListener(this);

        }

        private void initLabels(){

                setBorder(javax.swing.BorderFactory.createTitledBorder(PluginServices.getText(this, "transform_selection")));

        }

        private void initComponents() {

                java.awt.GridBagConstraints gridBagConstraints;

                transformScrollPane = new javax.swing.JScrollPane();

                transformList = new javax.swing.JList();

                descriptionScrollPane = new javax.swing.JScrollPane();

                descriptionText = new javax.swing.JTextArea();

                setLayout(new java.awt.GridBagLayout());

                transformScrollPane.setViewportView(transformList);

                transformList.setModel(new DefaultListModel());

                gridBagConstraints = new java.awt.GridBagConstraints();

                gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;

                gridBagConstraints.weightx = 1.0;

                gridBagConstraints.weighty = 1.0;

                gridBagConstraints.insets = new java.awt.Insets(2, 2, 5, 2);

                add(transformScrollPane, gridBagConstraints);

                descriptionText.setColumns(20);

                descriptionText.setEditable(false);

                descriptionText.setRows(5);

                descriptionText.setLineWrap(true);

                descriptionText.setBorder(null);

                descriptionScrollPane.setBorder(null);

                descriptionScrollPane.setViewportView(descriptionText);

                gridBagConstraints = new java.awt.GridBagConstraints();

                gridBagConstraints.gridx = 0;

                gridBagConstraints.gridy = 1;

                gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;

                gridBagConstraints.anchor = java.awt.GridBagConstraints.SOUTH;

                gridBagConstraints.weightx = 1.0;

                gridBagConstraints.insets = new java.awt.Insets(5, 2, 2, 2);

                add(descriptionScrollPane, gridBagConstraints);

        }

        /**

         * Adding the objects

         */

        protected void addTransforms(){

                FeatureTransformManager featureTransformManager = 

                        AppGvSigLocator.getFeatureTransformManager();

                ArrayList<FeatureTransformGui> featureTransformGui =

                        featureTransformManager.getFeatureTransforms();

                for (int i=0 ; i<featureTransformGui.size() ; i++){

                        ((DefaultListModel)transformList.getModel()).addElement(featureTransformGui.get(i));

                }        

                update();

        }

        /* (non-Javadoc)

         * @see jwizardcomponent.JWizardPanel#update()

         */        

        public void update() {

                if (transformList.getModel().getSize() > 0){

                        transformList.setSelectedIndex(0);

                        valueChanged(null);

                }else{

                        getWizardComponents().getNextButton().setEnabled(false);

                }

        }

        /* (non-Javadoc)

         * @see javax.swing.event.ListSelectionListener#valueChanged(javax.swing.event.ListSelectionEvent)

         */

        public void valueChanged(ListSelectionEvent e) {

                Object obj = transformList.getSelectedValue();

                if (obj != null){

                        descriptionText.setText(((FeatureTransformGui)obj).getDescription());

                }

        }

        public FeatureTransformGui getSelectedFeatureTransformGui(){

                Object obj = transformList.getSelectedValue();

                if (obj != null){

                        return (FeatureTransformGui)obj;

                }

                return null;

        }

}