Application: gvSIG desktop

package org.gvsig.app.project.documents.view.expressionevaluator;

import java.awt.Image;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.ComponentAdapter;

import java.awt.event.ComponentEvent;

import javax.swing.JComponent;

import javax.swing.event.AncestorEvent;

import javax.swing.event.AncestorListener;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.ApplicationManager;

import org.gvsig.app.project.documents.view.ViewDocument;

import org.gvsig.app.project.documents.view.ViewManager;

import org.gvsig.app.project.documents.view.gui.IView;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.mapcontrol.MapControl;

import org.gvsig.fmap.mapcontrol.tools.Behavior.Behavior;

import org.gvsig.fmap.mapcontrol.tools.Behavior.PointBehavior;

import org.gvsig.fmap.mapcontrol.tools.BehaviorException;

import org.gvsig.fmap.mapcontrol.tools.Events.PointEvent;

import org.gvsig.fmap.mapcontrol.tools.Listeners.PointListener;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.i18n.I18nManager;

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

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

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

/**

 *

 * @author jjdelcerro

 */

@SuppressWarnings("UseSpecificCatch")

public class ViewCapturePointPanel extends ViewCapturePointPanelView implements Component {

    private Geometry geometry = null;

    private MapControl mapControl = null;

    private String previousTool = null;

    private Behavior tool = null;

    public ViewCapturePointPanel() {

        this.initComponents();

    }

    private void initComponents() {

        I18nManager i18n = ToolsLocator.getI18nManager();

        ToolsSwingManager toolsSwingManager = ToolsSwingLocator.getToolsSwingManager();

        toolsSwingManager.setDefaultPopupMenu(this.txtPoint);

        this.btnToggleCapture.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                doToggleCapture();

            }

        });

        this.tool = new PointBehavior(new PointListener() {

            @Override

            public void point(PointEvent event) throws BehaviorException {

                setGeometry(event.getMapPoint());

            }

            @Override

            public void pointDoubleClick(PointEvent event) throws BehaviorException {

                setGeometry(event.getMapPoint());

            }

            @Override

            public Image getImageCursor() {

                return IconThemeHelper.getImage("cursor-select-by-point");

            }

            @Override

            public boolean cancelDrawing() {

                return false;

            }

        });

        this.btnToggleCapture.setText(i18n.getTranslation("_Start_capture"));

        this.addAncestorListener(new AncestorListener() {

            @Override

            public void ancestorAdded(AncestorEvent event) {

            }

            @Override

            public void ancestorRemoved(AncestorEvent event) {

                doEndCapture();

            }

            @Override

            public void ancestorMoved(AncestorEvent event) {

            }

        });

        this.addComponentListener(new ComponentAdapter() {

            @Override

            public void componentHidden(ComponentEvent e) {

                doEndCapture();

            }

        });

    }

    @Override

    public JComponent asJComponent() {

        return this;

    }

    private void setGeometry(Geometry geom) {

        this.geometry = geom;

        try {

            String wkt = geom.convertToWKT();

            this.txtPoint.setText(wkt);

        } catch (Exception ex) {

            this.txtPoint.setText("#########");

        }

        this.txtPoint.setCaretPosition(0);

    }

    private void doToggleCapture() {

        if( this.mapControl == null ) {

            doStartCapture();

        } else {

            doEndCapture();

        }

    }

    private void doStartCapture() {

        I18nManager i18n = ToolsLocator.getI18nManager();

        ApplicationManager application = ApplicationLocator.getManager();

        ViewDocument viewdoc = (ViewDocument) application.getActiveDocument(ViewManager.TYPENAME);

        if( viewdoc == null ) {

            return;

        }

        this.mapControl = ((IView)(viewdoc.getMainWindow())).getMapControl();

        this.previousTool = this.mapControl.getCurrentTool();

        this.mapControl.addBehavior("ElementViewPointCaptureTool", this.tool);

        this.mapControl.setTool("ElementViewPointCaptureTool");

        this.btnToggleCapture.setText(i18n.getTranslation("_End_capture"));

    }

    private void doEndCapture() {

        I18nManager i18n = ToolsLocator.getI18nManager();

        if( this.mapControl == null ) {

            return;

        }

        this.mapControl.setTool(this.previousTool);

        this.mapControl = null;

        this.btnToggleCapture.setText(i18n.getTranslation("_Start_capture"));

    }

    Geometry getGeometry() {

        return this.geometry;

    }

    boolean insertAsWKT() {

        return this.rdoInsertAsWKT.isSelected();

    }

    boolean insertAsGeometry() {

        return this.rdoInsertAsGeometry.isSelected();

    }

}