Application: gvSIG desktop

package org.gvsig.export.swing.impl.panels;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

import javax.swing.JComponent;

import org.gvsig.export.ExportParameters;

import org.gvsig.export.ExportParametersGeometry;

import org.gvsig.export.swing.JExportProcessPanel;

import org.gvsig.export.swing.impl.pickercontroller.ProjectionPickerController;

import org.gvsig.export.swing.spi.ExportPanel;

import org.gvsig.export.swing.spi.ExportPanelValidationException;

import org.gvsig.export.swing.spi.ExportPanelsManager;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.i18n.I18nManager;

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

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

/**

 *

 * @author jjdelcerro

 */

public class SelectTargetProjectionPanel 

        extends SelectTargetProjectionPanelView

        implements ExportPanel

    {

    private final ExportParametersGeometry parameters;

    private final JExportProcessPanel processPanel;

    private ProjectionPickerController projectionController;

    public SelectTargetProjectionPanel(

            JExportProcessPanel processPanel,

            ExportParameters parameters

        ) {

        this.processPanel = processPanel;

        this.parameters = (ExportParametersGeometry) parameters;

        this.initComponents();

    }

    private void initComponents() {

        this.projectionController = new ProjectionPickerController(

                this.txtUserProjection,

                this.btnSelectUserProjection

        );

        this.translate();

        if( this.parameters.getContextProjection() == this.parameters.getSourceProjection() ) {

            this.rdbtnOriginalProjection.setEnabled(this.parameters.getSourceProjection()!=null);

            this.txtOriginalProjection.setEnabled(this.parameters.getSourceProjection()!=null);

            this.rdbtnViewProjection.setEnabled(false);

            this.txtViewProjection.setEnabled(false);

            this.rdbtnUserProjection.setEnabled(true);

            this.txtUserProjection.setEnabled(true);

        } else {

            this.rdbtnOriginalProjection.setEnabled(this.parameters.getSourceProjection()!=null);

            this.txtOriginalProjection.setEnabled(this.parameters.getSourceProjection()!=null);

            this.rdbtnViewProjection.setEnabled(this.parameters.getContextProjection()!=null);

            this.txtViewProjection.setEnabled(this.parameters.getContextProjection()!=null);

            this.rdbtnUserProjection.setEnabled(true);

            this.txtUserProjection.setEnabled(true);

        }

        if( this.parameters.getContextProjection()!=null ) {

            this.txtViewProjection.setText(this.parameters.getContextProjection().getAbrev());

        } 

        if( this.parameters.getSourceProjection()!=null ) {

            this.txtOriginalProjection.setText(this.parameters.getSourceProjection().getAbrev());

        } 

        if( this.parameters.getTargetProjection()==null ) {

            this.projectionController.set(this.parameters.getSourceProjection());

        } else {

            this.projectionController.set(this.parameters.getTargetProjection());

        }

        this.rdbtnOriginalProjection.addItemListener(new ItemListener() {

            @Override

            public void itemStateChanged(ItemEvent e) {

                doRadioButonsStateChanged();

            }

        });

        this.rdbtnUserProjection.addItemListener(new ItemListener() {

            @Override

            public void itemStateChanged(ItemEvent e) {

                doRadioButonsStateChanged();

            }

        });

        this.rdbtnViewProjection.addItemListener(new ItemListener() {

            @Override

            public void itemStateChanged(ItemEvent e) {

                doRadioButonsStateChanged();

            }

        });

        if( this.parameters.getSourceProjection()==null ) {

            this.rdbtnUserProjection.setSelected(true);

        } else {

            this.rdbtnOriginalProjection.setSelected(true);

        }

    }

    private void doRadioButonsStateChanged() {

        if( this.rdbtnUserProjection.isSelected() ) {

            this.projectionController.setEnabled(true);

            this.txtOriginalProjection.setEnabled(false);

            this.txtViewProjection.setEnabled(false);

            this.txtUserProjection.setEnabled(true);

        } else if( this.rdbtnOriginalProjection.isSelected() ) {

            this.projectionController.setEnabled(false);

            this.txtOriginalProjection.setEnabled(true);

            this.txtViewProjection.setEnabled(false);

            this.txtUserProjection.setEnabled(false);

        } else if( this.rdbtnViewProjection.isSelected() ) {

            this.projectionController.setEnabled(false);

            this.txtOriginalProjection.setEnabled(false);

            this.txtViewProjection.setEnabled(true);

            this.txtUserProjection.setEnabled(false);

        }

    }

    @Override

    public String getIdPanel() {

        return ExportPanelsManager.PANEL_SELECT_TARGET_PROJECTION;

    }

    @Override

    public String getTitlePanel() {

        I18nManager i18n = ToolsLocator.getI18nManager();

        return i18n.getTranslation("_Target_projection");

    }

    @Override

    public boolean validatePanel() throws ExportPanelValidationException {

        if( this.rdbtnUserProjection.isSelected() ) {

            if( this.projectionController.isEmpty() ) {

                return false;

            }

        }

        return true;

    }

    @Override

    public void previousPanel() {

    }

    @Override

    public void enterPanel() {

    }

    @Override

    public void nextPanel() {

        if( this.rdbtnUserProjection.isSelected() ) {

            this.parameters.setTargetProjection(this.projectionController.get());

            this.parameters.setTargetTransformation(this.projectionController.getCoordinateTransformation());

        } else if( this.rdbtnOriginalProjection.isSelected() ) {

            this.parameters.setTargetProjection(null);

            this.parameters.setTargetTransformation(null);

        } else if( this.rdbtnViewProjection.isSelected() ) {

            this.parameters.setTargetProjection(this.parameters.getContextProjection());

            this.parameters.setTargetTransformation(this.parameters.getSourceTransformation());

        }

    }

    @Override

    public JComponent asJComponent() {

        return this;

    }

    private void translate() {

        ToolsSwingManager manager = ToolsSwingLocator.getToolsSwingManager();

        manager.translate(this.lblSelectTargetProjection);

        manager.translate(this.rdbtnOriginalProjection);

        manager.translate(this.rdbtnUserProjection);

        manager.translate(this.rdbtnViewProjection);

    }

}