Application: gvSIG desktop

package org.gvsig.fmap.dal.swing.impl;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JComponent;

import javax.swing.JTextField;

import org.cresques.DataTypes;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.gvsig.app.gui.panels.CRSSelectPanelFactory;

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

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.i18n.I18nManager;

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

import org.gvsig.tools.swing.api.pickercontroller.AbstractPickerController;

import org.gvsig.tools.swing.api.pickercontroller.PickerController;

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

/**

 *

 * @author jjdelcerro

 */

public class ProjectionPickerController 

        extends AbstractPickerController<IProjection>

        implements PickerController<IProjection> 

    {

    private final JTextField txtProjection;

    private final JButton btnSelectProjection;

    private IProjection projection;

    public ProjectionPickerController(

            JTextField txtProjection,

            JButton btnSelectProjection

        ) {

        this.txtProjection = txtProjection;

        this.btnSelectProjection = btnSelectProjection;

        this.projection = null;

        this.initComponents();

    }

    private void initComponents() {

        this.txtProjection.setEditable(false);

        this.txtProjection.setText("");

        this.btnSelectProjection.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                doSelectProjection();

            }

        });

        if( this.existsIcon("picker-crs") ) {

            this.btnSelectProjection.setText("");

            this.btnSelectProjection.setIcon(this.getIcon("picker-crs"));

        }

    }

    private void doSelectProjection() {

        I18nManager i18n = ToolsLocator.getI18nManager();

        ISelectCrsPanel crsSelectPanel = CRSSelectPanelFactory.getUIFactory().getSelectCrsPanel(

                this.projection, 

                true

        );

        WindowManager winManager = ToolsSwingLocator.getWindowManager();

        winManager.showWindow(

                (JComponent) crsSelectPanel, 

                i18n.getTranslation("selecciona_sistema_de_referencia"), 

                WindowManager.MODE.DIALOG

        );

        if (crsSelectPanel.isOkPressed()) {

            this.set(crsSelectPanel.getProjection());

        }

    }

    public ICoordTrans getCoordinateTransformation() {

        return null;

    }

    @Override

    public IProjection get() {

        return this.projection;

    }

    @Override

    public void set(IProjection projection) {

        this.projection = projection;

        if( this.projection == null ) {

            this.txtProjection.setText("");

        } else {

            this.txtProjection.setText(this.projection.getAbrev());

        }

    }

    @Override

    public void coerceAndSet(Object o) {

        this.set((IProjection) this.coerce(DataTypes.CRS, o, null));

    }

    @Override

    public void setEnabled(boolean bln) {

        this.btnSelectProjection.setEnabled(bln);

    }

    @Override

    public boolean isEnabled() {

        return this.btnSelectProjection.isEnabled();

    }

    @Override

    public void setEditable(boolean editable) {

        super.setEditable(editable); 

        this.btnSelectProjection.setEnabled(editable);

    }

    @Override

    public boolean isEmpty() {

        return this.projection == null;

    }

}