Application: gvSIG desktop

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2012 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 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.

 *

 * 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.proj.app.mainplugin;

import java.awt.BorderLayout;

import java.awt.Dimension;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JComponent;

import javax.swing.JPanel;

import org.cresques.cts.IProjection;

import org.gvsig.app.gui.panels.crs.ISelectCrsPanel;

import org.gvsig.proj.CoordinateReferenceSystem;

import org.gvsig.proj.cts.DefaultIProjection;

import org.gvsig.proj.swing.CoordinateReferenceSystemSelectorComponent;

import org.gvsig.proj.swing.CoordinateReferenceSystemSwingLocator;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.i18n.I18nManager;

import org.gvsig.tools.swing.api.ToolsSwingLocator;

import org.gvsig.tools.swing.api.windowmanager.Dialog;

import org.gvsig.tools.swing.api.windowmanager.WindowManager_v2;

/**

 * ISelectCrsPanel implementation based on the org.gvsig.proj library.

 * 

 * @author gvSIG Team

 */

public class CoordinateReferenceSystemSelectionDialog extends JPanel implements

    ISelectCrsPanel {

    private static final long serialVersionUID = 810773451033764544L;

    private boolean okPressed = false;

    private IProjection lastProjection = null;

    private CoordinateReferenceSystemSelectorComponent component;

    /**

     * Constructor.

     */

    public CoordinateReferenceSystemSelectionDialog() {

        super();

        this.setLayout(new BorderLayout());

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        WindowManager_v2 windowManager = (WindowManager_v2) ToolsSwingLocator.getWindowManager();

        final Dialog dialogPanel = windowManager.createDialog(

                getContentPanel(),

                i18nManager.getTranslation("selecciona_sistema_de_referencia"),

                i18nManager.getTranslation("reference_system"), 

                WindowManager_v2.BUTTONS_OK_CANCEL

        );

        add(dialogPanel.asJComponent(), BorderLayout.CENTER);

        dialogPanel.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent ae) {

                switch( dialogPanel.getAction()) {

                    case WindowManager_v2.BUTTON_OK:

                        okPressed = true;

                        break;

                    case WindowManager_v2.BUTTON_CANCEL:

                        setProjection(lastProjection);

                        okPressed = false;

                        break;

                }

                setVisible(false);

            }

        });

    }

    @Override

    public boolean isOkPressed() {

        return okPressed;

    }

    /**

     * @return

     */

    @Override

    public IProjection getProjection() {

        CoordinateReferenceSystem crs =

            component.getSelectedCoordinateReferenceSystem();

        if (crs == null) {

            return lastProjection;

        }

        return new DefaultIProjection(crs);

    }

    protected JComponent getContentPanel() {

        if (component == null) {

            component =

                CoordinateReferenceSystemSwingLocator.getSwingManager()

                    .createCoordinateReferenceSystemSelectionComponent();

        }

        return component.asJComponent();

    }

    /**

     * @param proj

     */

    @Override

    public void setProjection(IProjection proj) {

        CoordinateReferenceSystem crs = null;

        lastProjection = proj;

        if( proj != null ) {

            crs = ((DefaultIProjection) proj).getCoordinateReferenceSystem();

        }

        component.setCoordinateReferenceSystem(crs);

    }

    @Override

    public JComponent asJComponent() {

        return this;

    }    

}