Application: gvSIG desktop » gvSIG projections

package org.gvsig.proj.swing.impl;

import java.awt.BorderLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JComponent;

import org.gvsig.proj.CoordinateReferenceSystem;

import org.gvsig.proj.CoordinateTransformation;

import org.gvsig.proj.swing.CoordinateReferenceSystemAndTransformationSelectorComponent;

import org.gvsig.proj.swing.CoordinateReferenceSystemSelectorComponent;

public class CrsAndCtSelectorController implements CoordinateReferenceSystemAndTransformationSelectorComponent {

        private CrsAndCtSelectorView view;

        private CrsSelectorController crsSelector;

        private CtSelectorController ctSelector;

        private DefaultCoordinateReferenceSystemSwingManager manager;

        private CrsRole selectedCrsRole = CrsRole.SOURCE;

        public CrsAndCtSelectorController(DefaultCoordinateReferenceSystemSwingManager manager) {

                this.view = new CrsAndCtSelectorView();

                this.manager = manager;

        }

        private void initComponents() {

                this.crsSelector = new CrsSelectorController(this.manager);

                this.view.jtabbedpane1.setEnabledAt(1, false);

                this.view.pnlCrsSelectorContainer.setLayout(new BorderLayout());

                this.view.pnlCrsSelectorContainer.add(this.crsSelector.asJComponent(), BorderLayout.CENTER);

                this.ctSelector = new CtSelectorController(this.manager);

                this.ctSelector.getView().pnlCrsSelectors.setVisible(false);

                this.view.pnlCtSelectorContainer.setLayout(new BorderLayout());

                this.view.pnlCtSelectorContainer.add(this.ctSelector.asJComponent(), BorderLayout.CENTER);

                this.crsSelector.addCRSSelectionListener(new ActionListener() {

                        @Override

                        public void actionPerformed(ActionEvent e) {

                                // CtSelector tab should be enabled only if a Crs was selected by the user 

                                CrsAndCtSelectorController.this.setCtTabEnabledStatus();

                        }

                });

        }

        @Override

        public JComponent asJComponent() {

                return this.view;

        }

        @Override

        public CoordinateReferenceSystemSelectorComponent getCoordinateReferenceSystemSelectorComponent() {

                return this.crsSelector;

        }

        @Override

        public CoordinateReferenceSystem getCoordinateReferenceSystem() {

                return this.crsSelector.getCoordinateReferenceSystem();

        }

        @Override

        public CoordinateTransformation getCoordinateTransformation() {

                return this.ctSelector.getCoordinateTransformation();

        }

        @Override

        public void setSelectedCoordinateReferenceSystem(CoordinateReferenceSystem selectableCrs) {

                this.crsSelector.setCoordinateReferenceSystem(selectableCrs);

                if (this.selectedCrsRole.equals(CrsRole.SOURCE)) {

                        this.ctSelector.setSourceCoordinateReferenceSystem(selectableCrs);

                }

                else {

                        this.ctSelector.setTargetCoordinateReferenceSystem(selectableCrs);

                }

                setCtTabEnabledStatus();

        }

        @Override

        public void setFixedCoordinateReferenceSystem(CoordinateReferenceSystem fixedCrs, CrsRole role) {

                if (role.equals(CrsRole.SOURCE)) {

                        this.ctSelector.setSourceCoordinateReferenceSystem(fixedCrs);

                        this.selectedCrsRole = CrsRole.TARGET;

                }

                else {

                        this.ctSelector.setTargetCoordinateReferenceSystem(fixedCrs);

                        this.selectedCrsRole = CrsRole.SOURCE;

                }

                setCtTabEnabledStatus();

        }

        /**

         * Enables the CtSelector tab when a source and target CRS are available and are different,

         * and disables the tab otherwise

         */

        protected void setCtTabEnabledStatus() {

                if (this.ctSelector.getSourceCoordinateReferenceSystem()!=null &&

                                this.ctSelector.getTargetCoordinateReferenceSystem()!=null

                                && !(this.ctSelector.getSourceCoordinateReferenceSystem().equals(this.ctSelector.getTargetCoordinateReferenceSystem()))) {

                        this.view.jtabbedpane1.setEnabledAt(1, true);        

                }

                else {

                        this.view.jtabbedpane1.setEnabledAt(1, true);

                }

        }

        @Override

        public CrsRole getSelectedCrsRole() {

                return this.selectedCrsRole;

        }

        @Override

        public CrsRole getFixedCrsRole() {

                if (this.selectedCrsRole.equals(CrsRole.SOURCE)) {

                        return CrsRole.TARGET;

                }

                else {

                        return CrsRole.SOURCE;

                }

        }

        @Override

        public void addCoordinateTransformationSelectionListener(ActionListener listener) {

                this.ctSelector.addCoordinateTransformationSelectionListener(listener);

        }

        @Override

        public void addCRSSelectionListener(ActionListener listener) {

                this.crsSelector.addCRSSelectionListener(listener);

        }

        @Override

        public void enableTransformationAlphanumericFilter(String searchString) {

                this.ctSelector.enableAlphanumericFilter(searchString);

        }

}