Application: gvSIG desktop

/**

 * 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.cresques.ui.cts;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import javax.swing.BorderFactory;

import javax.swing.JComponent;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.border.TitledBorder;

import org.cresques.Messages;

import org.cresques.cts.IProjection;

import org.cresques.ui.LoadableComboBox;

//import es.gva.cit.geoexplorer.ui.LoadableComboBox;

/**

 * Panel de edici?n de Sistemas de referencia

 * 

 * @author "Luis W. Sevilla" <sevilla_lui@gva.es>

 */

public class CSSelectionPanel extends JPanel {

    final private static long serialVersionUID = -3370601314380922368L;

    private LoadableComboBox datumComboBox = null;

    private LoadableComboBox projComboBox = null;

    private LoadableComboBox huseComboBox = null;

    private JLabel jLabel = null;

    private JLabel jLabel1 = null;

    private JLabel jLabel2 = null;

    private String tit;

    private CSSelectionModel model;

    /**

     * Constructor de la clase.

     */

    public CSSelectionPanel(String tit) {

        super();

        if (tit == null) {

            tit = Messages.getText("reference_system");

            if (tit == null)

                tit = "Reference System";

        }

        this.tit = tit;

        setModel(new CSSelectionModel());

        initialize();

    }

    /**

     * Inicializa el panel.

     * 

     * @return javax.swing.JPanel

     */

    private void initialize() {

        setLayout(new GridBagLayout());

        GridBagConstraints c = new GridBagConstraints();

        c.insets = new Insets(2, 5, 2, 5);

        c.gridy = -1;

        setBorder(BorderFactory.createCompoundBorder(null, BorderFactory

            .createTitledBorder(null, Messages.getText("reference_system"),

                TitledBorder.DEFAULT_JUSTIFICATION,

                TitledBorder.DEFAULT_POSITION, null, null)));

        jLabel = new JLabel(Messages.getText("datum") + ":");

        addRow(c, jLabel, getDatumComboBox());

        jLabel1 = new JLabel(Messages.getText("projection") + ":");

        addRow(c, jLabel1, getProjComboBox());

        jLabel2 = new JLabel(Messages.getText("zone") + ":");

        addRow(c, jLabel2, getHuseComboBox());

        setHuseComboBoxEnabled(false);

    }

    public void setModel(CSSelectionModel model) {

        this.model = model;

        getHuseComboBox().loadData(model.getZoneList());

        getDatumComboBox().loadData(model.getDatumList());

        getProjComboBox().loadData(model.getProjectionList());

    }

    private void setHuseComboBoxEnabled(boolean enabled) {

        if (jLabel2 != null) {

            jLabel2.setEnabled(enabled);

        }

        getHuseComboBox().setEnabled(enabled);

    }

    private void setDatumComboBoxEnabled(boolean enabled) {

        if (jLabel != null) {

            jLabel.setEnabled(enabled);

        }

        getDatumComboBox().setEnabled(enabled);

    }

    public void setProjection(IProjection proj) {

        model.setProjection(proj);

        setDatumComboBoxEnabled(true);

        getDatumComboBox().setSelectedIndex(model.getSelectedDatum());

        getProjComboBox().removeAllItems();

        getProjComboBox().loadData(model.getProjectionList());

        model.setProjection(proj);

        getProjComboBox().setSelectedIndex(model.getSelectedProj());

        model.setProjection(proj);

        if (model.getSelectedZone() >= 0) {

            setHuseComboBoxEnabled(true);

            getHuseComboBox().removeAllItems();

            getHuseComboBox().loadData(model.getZoneList());

            model.setProjection(proj);

            getHuseComboBox().setSelectedIndex(model.getSelectedZone());

        } else {

            setHuseComboBoxEnabled(false);

            getHuseComboBox().setSelectedIndex(0);

        }

    }

    /**

     * Inicializa datumComboBox

     * 

     * @return javax.swing.JComboBox

     */

    private LoadableComboBox getDatumComboBox() {

        if (datumComboBox == null) {

            datumComboBox = new LoadableComboBox();

            datumComboBox.addItemListener(new java.awt.event.ItemListener() {

                public void itemStateChanged(java.awt.event.ItemEvent e) {

                    model.setSelectedDatum(e.getItem());

                    getProjComboBox().removeAllItems();

                    getProjComboBox().loadData(model.getProjectionList());

                }

            });

        }

        return datumComboBox;

    }

    /**

     * Inicializa projComboBox

     * 

     * @return javax.swing.JComboBox

     */

    private LoadableComboBox getProjComboBox() {

        if (projComboBox == null) {

            projComboBox = new LoadableComboBox();

            // projComboBox.setBounds(14, 80, 250, 23);

            projComboBox.addItemListener(new java.awt.event.ItemListener() {

                public void itemStateChanged(java.awt.event.ItemEvent e) {

                    model.setSelectedProj(e.getItem());

                    if (model.getSelectedProjType() == CSSelectionModel.TRANSVERSAL) {

                        setHuseComboBoxEnabled(true);

                        getHuseComboBox().removeAllItems();

                        getHuseComboBox().loadData(model.getZoneList());

                    } else {

                        setHuseComboBoxEnabled(false);

                    }

                }

            });

        }

        return projComboBox;

    }

    /**

     * Inicializa usoComboBox

     * 

     * @return javax.swing.JComboBox

     */

    private LoadableComboBox getHuseComboBox() {

        if (huseComboBox == null) {

            huseComboBox = new LoadableComboBox();

            huseComboBox.addItemListener(new java.awt.event.ItemListener() {

                public void itemStateChanged(java.awt.event.ItemEvent e) {

                    model.setSelectedZone(e.getItem());

                }

            });

        }

        return huseComboBox;

    }

    /**

     * @return

     */

    public IProjection getProjection() {

        return model.getProjection();

    }

    private void addRow(GridBagConstraints c, JComponent label, JComponent text) {

        c.anchor = GridBagConstraints.WEST;

        c.weightx = 0.0d;

        c.gridx = 0;

        c.gridy++;

        add(label, c);

        c.fill = GridBagConstraints.HORIZONTAL;

        c.weightx = 1.0d;

        c.gridx = 1;

        add(text, c);

    }

}