root / trunk / extensions / extRasterTools-SE / src / org / gvsig / rastertools / geolocation / behavior / GeoMoveBehavior.java @ 12569
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2006 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*/
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package org.gvsig.rastertools.geolocation.behavior; |
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import java.awt.Color; |
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import java.awt.Component; |
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import java.awt.Cursor; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.awt.HeadlessException; |
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import java.awt.Image; |
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import java.awt.Point; |
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import java.awt.Rectangle; |
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import java.awt.Toolkit; |
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import java.awt.event.MouseEvent; |
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import java.awt.event.MouseWheelEvent; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.NoninvertibleTransformException; |
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import java.awt.geom.Point2D; |
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import java.awt.image.BufferedImage; |
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import javax.swing.ImageIcon; |
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import javax.swing.JOptionPane; |
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import org.gvsig.fmap.raster.layers.FLyrRasterSE; |
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import org.gvsig.rastertools.RasterToolsUtil; |
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import com.iver.andami.PluginServices; |
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import com.iver.andami.ui.mdiManager.IWindow; |
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import com.iver.cit.gvsig.fmap.MapControl; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.fmap.layers.FLayers; |
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import com.iver.cit.gvsig.fmap.tools.BehaviorException; |
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import com.iver.cit.gvsig.fmap.tools.Behavior.Behavior; |
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import com.iver.cit.gvsig.fmap.tools.Listeners.PanListener; |
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import com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener; |
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import com.iver.cit.gvsig.project.documents.view.gui.IView; |
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/**
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* Behaviour que espera un listener de tipo GeoMoveListener.
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* Nacho Brodin (nachobrodin@gmail.com)
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*
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*/
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public class GeoMoveBehavior extends Behavior { |
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private final Image defaultCursor = new ImageIcon(MapControl.class.getResource( |
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"images/CruxCursor.png")).getImage();
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private final Image handCursor = new ImageIcon(MapControl.class.getResource( |
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"images/Hand.gif")).getImage();
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private Cursor cur = null; |
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private boolean isMoveable = false; |
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/**
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* Variable booleana que est? a true si el cursor por defecto est?
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* activo y a false si hay otro.
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*/
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private boolean defaultCursorActive = true; |
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/**
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* Puntos de inicio y final para el arrastre de la imagen.
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*/
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private Point2D ptoIni = null; |
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private Point2D ptoFin = null; |
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private IView theView = null; |
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private PanListener listener;
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/**
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* Crea un nuevo RectangleBehavior.
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*
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* @param zili listener.
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*/
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public GeoMoveBehavior(PanListener zili) {
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listener = zili; |
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cur = zili.getCursor(); |
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} |
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/**
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* Funci?n que carga la capa si todav?a no lo est?.
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*/
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private FLyrRasterSE getLayer() throws InstantiationException, ClassCastException{ |
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//Cargamos la capa
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IWindow w = PluginServices.getMDIManager().getActiveWindow(); |
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if(w instanceof IView) { |
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theView = (IView)w; |
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FLayers lyrs = theView.getMapControl().getMapContext().getLayers(); |
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for (int i = 0; i < lyrs.getActives().length; i++) { |
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if(lyrs.getActives()[i] instanceof FLyrRasterSE) |
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return (FLyrRasterSE)lyrs.getActives()[i];
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} |
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} |
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return null; |
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} |
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/**
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* Coloca el cursor del rat?n con el icono adecuado cuando entra dentro de la
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* imagen.
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*/
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public void mouseMoved(MouseEvent e) throws BehaviorException { |
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ViewPort vp = getMapControl().getMapContext().getViewPort(); |
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try{
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FLyrRasterSE lyr = getLayer(); |
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if(lyr == null) |
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return;
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Point2D pto = vp.toMapPoint(e.getX(), e.getY());
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try {
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if( lyr.isInside(pto)){
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getMapControl().setCursor(Toolkit.getDefaultToolkit().createCustomCursor(handCursor,
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new Point(16, 16), "")); |
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defaultCursorActive = false;
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}else{
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if(!defaultCursorActive){
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getMapControl().setCursor(Toolkit.getDefaultToolkit().createCustomCursor(defaultCursor,
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new Point(16, 16), "")); |
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defaultCursorActive = true;
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} |
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} |
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} catch (HeadlessException e1) { |
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e1.printStackTrace(); |
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} catch (IndexOutOfBoundsException e1) { |
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e1.printStackTrace(); |
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} |
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}catch(InstantiationException exc){ |
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JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(), |
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PluginServices.getText(this, "error_capa_puntos")); |
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}catch(ClassCastException exc){ |
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JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(), |
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PluginServices.getText(this, "error_capa_puntos")); |
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} |
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} |
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/**
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* Obtiene el cursor actual
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*/
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public Cursor getCursor() { |
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return this.cur; |
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} |
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/**
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* Si no est? activo el cursor por defecto capturamos el punto
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* seleccionado en coordenadas del mundo real.
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*/
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public void mousePressed(MouseEvent e) throws BehaviorException { |
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if(e.getButton() == MouseEvent.BUTTON1 && !defaultCursorActive){ |
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ViewPort vp = getMapControl().getMapContext().getViewPort(); |
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ptoIni = vp.toMapPoint(e.getPoint()); |
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isMoveable = true;
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} |
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} |
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/**
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* Cuando soltamos el bot?n del rat?n desplazamos la imagen a la posici?n
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* de destino calculando el extent nuevamente.
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*/
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public void mouseReleased(MouseEvent e) throws BehaviorException { |
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if(e.getButton() == MouseEvent.BUTTON1 && isMoveable){ |
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FLyrRasterSE lyr = null;
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try {
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lyr = getLayer(); |
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}catch(InstantiationException exc){ |
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RasterToolsUtil.messageBoxError(PluginServices.getText(this, "error_carga_capa"), (Component)PluginServices.getMainFrame()); |
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} |
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if(lyr == null) |
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return;
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ViewPort vp = getMapControl().getMapContext().getViewPort(); |
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ptoFin = vp.toMapPoint(e.getPoint()); |
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//Asignamos la nueva matriz de transformaci?n a la capa de georreferenciaci?n
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AffineTransform atOld = lyr.getAffineTransform();
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AffineTransform atNew = null; |
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double distX = ptoFin.getX() - ptoIni.getX();
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double distY = ptoFin.getY() - ptoIni.getY();
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atNew = new AffineTransform(atOld.getScaleX(), atOld.getShearY(), |
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atOld.getShearX(), atOld.getScaleY(), |
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atOld.getTranslateX() + distX, |
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atOld.getTranslateY() + distY); |
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lyr.setAffineTransform(atNew); |
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theView.getMapControl().getMapContext().invalidate(); |
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isMoveable = false;
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} |
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} |
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/**
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* Funci?n de pintado del canvas.Pintamos un marco a la imagen para saber
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* donde la movemos.
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*/
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public void paintComponent(Graphics g) { |
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super.paintComponent(g);
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/*if(isMoveable){
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BufferedImage img = getMapControl().getImage();
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ViewPort vp = getMapControl().getMapContext().getViewPort();
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//Obtenemos las esquinas del rectangulo sin rotar
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Rectangle r = new Rectangle();
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Point2D ul = vp.fromMapPoint( lyrGeoRaster.getExtentWithoutRot().getMinX(),
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lyrGeoRaster.getExtentWithoutRot().getMinY());
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Point2D lr = vp.fromMapPoint( lyrGeoRaster.getExtentWithoutRot().getMaxX(),
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lyrGeoRaster.getExtentWithoutRot().getMaxY());
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r.setFrameFromDiagonal(ul, lr);
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g.drawImage(img, 0, 0, null);
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g.setColor(Color.red);
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try {
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AffineTransform at = new AffineTransform();
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at.setToShear( lyrGeoRaster.getAffineTransform().getShearX() / lyrGeoRaster.getAffineTransform().getScaleX(),
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lyrGeoRaster.getAffineTransform().getShearY() / lyrGeoRaster.getAffineTransform().getScaleY());
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//Calculamos el punto inicial y final del desplazamiento. Hay que desrrotar estos para lograr un desplazamiento
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//homogeneo independientemente de en que lado de la imagen hallamos pinchado. Si no hacemos esto el puntero del
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//rat?n se mover? a distinta velocidad de la imagen y esta variar? dependiendo de en que parte se haya pinchado.
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Point2D ini = vp.fromMapPoint(ptoIni.getX() , ptoIni.getY());
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Point2D fin = vp.fromMapPoint(ptoFin.getX() , ptoFin.getY());
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at.inverseTransform(ini, ini);
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at.inverseTransform(fin, fin);
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double distX = fin.getX() - ini.getX();
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double distY = fin.getY() - ini.getY();
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//Giramos el graphics se dibuja y se vuelve a dejar como estaba
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((Graphics2D)g).transform(at);
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Point2D pt = new Point2D.Double(r.x, r.y);
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at.inverseTransform(pt, pt);
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g.drawRect((int)pt.getX() + (int)distX, (int)pt.getY() + (int)distY, r.width, r.height);
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((Graphics2D)g).transform(at.createInverse());
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} catch (NoninvertibleTransformException e1) {
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e1.printStackTrace();
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}
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}*/
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} |
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/**
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* Esta funci?n repinta el canvas si se est? arrasrtando la imagen para
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* poder ver el marco de arrastre.
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*/
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public void mouseDragged(MouseEvent e) throws BehaviorException { |
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if(isMoveable){
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ViewPort vp = getMapControl().getMapContext().getViewPort(); |
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ptoFin = vp.toMapPoint(e.getPoint()); |
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getMapControl().repaint(); |
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} |
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#getListener()
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*/
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public ToolListener getListener() {
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return null; |
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#getMapControl()
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*/
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public MapControl getMapControl() {
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return super.getMapControl(); |
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#mouseClicked(java.awt.event.MouseEvent)
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*/
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public void mouseClicked(MouseEvent e) throws BehaviorException { |
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super.mouseClicked(e);
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#mouseEntered(java.awt.event.MouseEvent)
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*/
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public void mouseEntered(MouseEvent e) throws BehaviorException { |
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super.mouseEntered(e);
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#mouseExited(java.awt.event.MouseEvent)
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*/
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public void mouseExited(MouseEvent e) throws BehaviorException { |
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super.mouseExited(e);
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#mouseWheelMoved(java.awt.event.MouseWheelEvent)
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*/
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public void mouseWheelMoved(MouseWheelEvent e) throws BehaviorException { |
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super.mouseWheelMoved(e);
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.tools.Behavior.Behavior#setMapControl(com.iver.cit.gvsig.fmap.MapControl)
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*/
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public void setMapControl(MapControl mc) { |
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super.setMapControl(mc);
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} |
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} |