| gvSIG desktop 1

/*

 * Created on 08-nov-2005

 *

 * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.gvsig.centerviewtopoint.gui;

import java.awt.Color;

import java.awt.Component;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseEvent;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import java.util.prefs.Preferences;

import javax.swing.JDialog;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JTextField;

import org.cresques.cts.IProjection;

import org.gvsig.gui.beans.AcceptCancelPanel;

import com.iver.andami.PluginServices;

import com.iver.andami.ui.mdiManager.IWindow;

import com.iver.andami.ui.mdiManager.WindowInfo;

import com.iver.cit.gvsig.fmap.MapContext;

import com.iver.cit.gvsig.fmap.MapControl;

import com.iver.cit.gvsig.fmap.core.FShape;

import com.iver.cit.gvsig.fmap.core.IGeometry;

import com.iver.cit.gvsig.fmap.core.ShapeFactory;

import com.iver.cit.gvsig.fmap.core.SymbologyFactory;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.layers.GraphicLayer;

import com.iver.cit.gvsig.fmap.rendering.FGraphic;

import com.iver.cit.gvsig.fmap.tools.BehaviorException;

import com.iver.cit.gvsig.fmap.tools.Events.PointEvent;

import com.iver.cit.gvsig.gui.panels.ColorChooserPanel;

import com.iver.cit.gvsig.project.documents.view.toolListeners.InfoListener;

import com.iver.gvsig.centerviewpoint.CenterViewToPointExtension;

/**

 * The InputCoordinatesPanel class creates a JPanel where the

 * user can input the coordinates of the point of reference

 * for center the View.

 *

 * @author jmorell

 */

public class InputCoordinatesPanel extends JPanel implements IWindow {

    private static final long serialVersionUID = 1L;

    private JLabel labelX = null;

    private JTextField textX = null;

    private JLabel labelY = null;

    private JTextField textY = null;

    private MapControl mapControl;

    private WindowInfo viewInfo = null;

    private String firstCoordinate;

    private String secondCoordinate;

    private Point2D center;

    private GraphicLayer lyr;

    private ColorChooserPanel colorPanel;

        private AcceptCancelPanel okCancelPanel = null;

        /**

     * This is the default constructor

     */

    public InputCoordinatesPanel(MapContext mapContext) {

        super();

        this.mapControl = new MapControl();

        mapControl.setMapContext(mapContext);

        lyr=mapControl.getMapContext().getGraphicsLayer();

        initializeCoordinates();

        initialize();

    }

    /**

     * Sets the proper text for the first and second coordinate labels,

     * depending on the kind of selected projection.

     *

     */

    private void initializeCoordinates() {

        IProjection proj = mapControl.getProjection();

        String projName = proj.getAbrev();

        if (projName.equals("EPSG:23030") || projName.equals("EPSG:27492") || projName.equals("EPSG:42101") || projName.equals("EPSG:42304")) {

            firstCoordinate = "X";

            secondCoordinate = "Y";

        } else if (projName.equals("EPSG:4230") || projName.equals("EPSG:4326")) {

            firstCoordinate = "Lon";

            secondCoordinate = "Lat";

        } else {

            System.out.println("Proyecci?n: " + projName);

            System.out.println("Proyecci?n no soportada.");

        }

    }

    /**

     * Move the view's extent so that the specified point gets

     * centered.

     * 

     * @throws Exception

     */

    private void zoomToCoordinates() throws Exception {

       try{

            Rectangle2D oldExtent = mapControl.getViewPort().getAdjustedExtent();

        double oldCenterX = oldExtent.getCenterX();

        double oldCenterY = oldExtent.getCenterY();

        double centerX = (new Double((String)textX.getText())).doubleValue();

        double centerY = (new Double((String)textY.getText())).doubleValue();

        center=new Point2D.Double(centerX,centerY);

        double movX = centerX-oldCenterX;

        double movY = centerY-oldCenterY;

        double upperLeftCornerX = oldExtent.getMinX()+movX;

        double upperLeftCornerY = oldExtent.getMinY()+movY;

        double width = oldExtent.getWidth();

        double height = oldExtent.getHeight();

        Rectangle2D extent = new Rectangle2D.Double(upperLeftCornerX, upperLeftCornerY, width, height);

        mapControl.getViewPort().setExtent(extent);

       }catch (NumberFormatException e) {

               throw new Exception();

       }

    }

    /**

     * This method initializes this

     *

     * @return void

     */

    private void initialize() {

        labelY = new JLabel();

        labelY.setBounds(10, 35, 28, 20);

        labelY.setText(secondCoordinate + ":");

        labelX = new JLabel();

        labelX.setBounds(10, 10, 28, 20);

        labelX.setText(firstCoordinate + ":");

        this.setLayout(null);

        this.setSize(307, 100);

        this.add(labelX, null);

        this.add(getTextX(), null);

        this.add(labelY, null);

        this.add(getTextY(), null);

        this.add(getColorPanel());

        this.add(getOkCancelPanel(), null);

    }

    /**

     * This method initializes textX

     *

     * @return javax.swing.JTextField

     */

    private JTextField getTextX() {

            if (textX == null) {

                    textX = new JTextField();

                    textX.setBounds(40, 10, 260, 20);

                    textX.addActionListener(new java.awt.event.ActionListener() {

                            public void actionPerformed(java.awt.event.ActionEvent e) {

                                    textX.transferFocus();

                            }

                    });

            }

            return textX;

    }

    /**

     * This method initializes textY

     *

     * @return javax.swing.JTextField

     */

    private JTextField getTextY() {

            if (textY == null) {

                    textY = new JTextField();

                    textY.setBounds(40, 35, 260, 20);

                    textY.addActionListener(new java.awt.event.ActionListener() {

                            public void actionPerformed(java.awt.event.ActionEvent e) {

                                    textY.transferFocus();

                            }

                    });

            }

            return textY;

    }

    /* (non-Javadoc)

     * @see com.iver.andami.ui.mdiManager.View#getViewInfo()

     */

    public WindowInfo getWindowInfo() {

        // TODO Auto-generated method stub

        if (viewInfo == null) {

            viewInfo=new WindowInfo(WindowInfo.MODALDIALOG);

            viewInfo.setTitle(PluginServices.getText(this,"Centrar_la_Vista_sobre_un_punto"));

            viewInfo.setWidth(this.getWidth()+8);

            viewInfo.setHeight(this.getHeight());

        }

        return viewInfo;

    }

    /**

     * Opens the infoByPoint dialog for the selected point.

     *

     */

    private void openInfo(){

            InfoListener infoListener=new InfoListener(mapControl);

            MouseEvent e=new MouseEvent((Component)(((CenterViewToPointExtension)PluginServices.getExtension(CenterViewToPointExtension.class)).getView()),MouseEvent.BUTTON1,MouseEvent.ACTION_EVENT_MASK,MouseEvent.MOUSE_CLICKED,500,400,1,true);

            Point2D centerPixels=mapControl.getViewPort().fromMapPoint(center.getX(),center.getY());

            PointEvent pe=new PointEvent(centerPixels,e);

            try {

                        infoListener.point(pe);

                } catch (BehaviorException e1) {

                        // TODO Auto-generated catch block

                        e1.printStackTrace();

                }

                if (mapControl.getMapContext().getLayers().getActives().length==0){

                        JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"no_hay_ninguna_capa_seleccionada")+" \n"+

                                        PluginServices.getText(this,"debe_seleccionar_las_capas_de_las_que_quiera_obtener_informacion"));

                }

    }

    /**

     * Draws the selected point on the view.

     * 

     * @param color

     */

    private void drawPoint(Color color){

            CenterViewToPointExtension.COLOR=color;

            lyr.clearAllGraphics();

            ISymbol theSymbol = SymbologyFactory.createDefaultSymbolByShapeType(FShape.POINT,color);

        int idSymbol = lyr.addSymbol(theSymbol);

        IGeometry geom = ShapeFactory.createPoint2D(center.getX(),center.getY());

        FGraphic theGraphic = new FGraphic(geom, idSymbol);

        lyr.addGraphic(theGraphic);

        mapControl.drawGraphics();

    }

        /**

         * This method initializes jPanel

         *

         * @return javax.swing.JPanel

         */

        private JPanel getColorPanel() {

                if (colorPanel==null){

                         colorPanel=new ColorChooserPanel();

                         colorPanel.setAlpha(250);

                         colorPanel.setColor(CenterViewToPointExtension.COLOR);

                         colorPanel.setBounds(new java.awt.Rectangle(40,59,123,24));

                }

                         return colorPanel;

        }

        /**

         * This method initializes okCancelPanel

         *

         * @return javax.swing.JPanel

         */

        private AcceptCancelPanel getOkCancelPanel() {

                if (okCancelPanel == null) {

                        ActionListener okAction, cancelAction;

                        okAction = new java.awt.event.ActionListener() {

                            public void actionPerformed(java.awt.event.ActionEvent e) {

                                    try{

                                    zoomToCoordinates();

                                    }catch (Exception e1) {

                                            JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),PluginServices.getText(this,"formato_de_numero_incorrecto"));

                                            return;

                                    }

                                    // y sale.

                    if (PluginServices.getMainFrame() == null)

                        ((JDialog) (getParent().getParent().getParent().getParent())).dispose();

                    else

                        PluginServices.getMDIManager().closeWindow(InputCoordinatesPanel.this);

                    Preferences prefs = Preferences.userRoot().node( "gvsig.centerViewToPoint" );

                    if( prefs.get("showInfo", "True").equalsIgnoreCase("True")){

                            openInfo();

                    }

                    drawPoint(((ColorChooserPanel)getColorPanel()).getColor());

                            }

                    };

                    cancelAction = new ActionListener() {

                                public void actionPerformed(ActionEvent e) {

                                        closeThis();

                                }

                    };

                        okCancelPanel = new AcceptCancelPanel(okAction, cancelAction);

                        okCancelPanel.setBounds(new java.awt.Rectangle(40, 88, 260, 30));

                }

                return okCancelPanel;

        }

        /**

         * Close the window.

         *

         */

        private void closeThis() {

                PluginServices.getMDIManager().closeWindow(this);

        }

}  //  @jve:decl-index=0:visual-constraint="103,18"