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.daltransform.swing.impl;

import java.awt.Dimension;

import java.awt.Font;

import java.util.List;

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 org.gvsig.andami.PluginServices;

import org.gvsig.daltransform.DataTransformLocator;

import org.gvsig.daltransform.DataTransformManager;

import org.gvsig.daltransform.swing.DataTransformGui;

/**

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

 */

public class SelectTransformWizardPanel extends AbstractDataTransformWizardPanel implements ListSelectionListener{

        /**

     * 

     */

    private static final long serialVersionUID = -4191590513663444616L;

    private JList transformList;

        private JScrollPane transformScrollPane;

        private JScrollPane descriptionScrollPane;

        private JTextArea descriptionText;

        private int maxWidth = 315;

        private int maxHeight = 600;

        /**

         * @param wizardComponents

         */

        public SelectTransformWizardPanel() {

                super();        

                initComponents();                

                addTransforms();

                transformList.addListSelectionListener(this);                

        }

        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.setWrapStyleWord(true);

                descriptionText.setBackground(this.getBackground());

                Font fnt = descriptionText.getFont();

                fnt = fnt.deriveFont(Font.PLAIN);

                descriptionText.setFont(fnt);

                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(){

                DataTransformManager featureTransformManager = 

                        DataTransformLocator.getDataTransformManager();                        

                List<DataTransformGui> dataTransformGui =

                        featureTransformManager.getDataTransforms();

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

                        ((DefaultListModel)transformList.getModel()).addElement(new FeatureTransformGuiWrapper(dataTransformGui.get(i)));

                        Dimension dimension = dataTransformGui.get(i).getMinDimension();

                        if (dimension != null){

                                if (dimension.getHeight() > maxHeight){

                                        maxHeight = (int)dimension.getHeight();

                                }

                                if (dimension.getWidth() > maxWidth){

                                        maxWidth = (int)dimension.getWidth();

                                }

                        }

                }        

                updatePanel();

        }

        /*

         *         (non-Javadoc)

         * @see org.gvsig.app.daltransform.impl.AbstractDataTransformWizardPanel#updatePanel()

         */

        @Override

        public void updatePanel() {

                if (transformList.getSelectedIndex() == -1){

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

                                transformList.setSelectedIndex(0);

                                valueChanged(null);

                        }

                }else{

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

                                getDataTransformWizard().setApplicable(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(((FeatureTransformGuiWrapper)obj).getFeatureTransformGui().getDescription());

                }

        }

        public DataTransformGui getFeatureTransformGui(){

                Object obj = transformList.getSelectedValue();

                if (obj != null){

                        return ((FeatureTransformGuiWrapper)obj).getFeatureTransformGui();

                }

                return null;

        }

        /* (non-Javadoc)

         * @see org.gvsig.app.daltransform.gui.FeatureTransformWizard#getPanelTitle()

         */

        public String getPanelTitle() {

                return PluginServices.getText(this, "transform_selection");

        }

        /**

         * @return the maxWidth

         */

        public int getMaxWidth() {

                return maxWidth;

        }

        /**

         * @return the maxHeight

         */

        public int getMaxHeight() {

                return maxHeight;

        }

        private class FeatureTransformGuiWrapper{

                private DataTransformGui featureTransformGui = null;

                /**

                 * @param featureTransformGui

                 */

                public FeatureTransformGuiWrapper(

                                DataTransformGui featureTransformGui) {

                        super();

                        this.featureTransformGui = featureTransformGui;

                }

                /**

                 * @return the featureTransformGui

                 */

                public DataTransformGui getFeatureTransformGui() {

                        return featureTransformGui;

                }

                /* (non-Javadoc)

                 * @see java.lang.Object#toString()

                 */

                public String toString() {                        

                        return featureTransformGui.getName();

                }                

        }

}