Revision 21743 branches/v2_0_0_prep/applications/appgvSIG/src/com/iver/cit/gvsig/project/documents/view/toolListeners/MapOverviewChangeZoomListener.java
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import java.awt.Toolkit; |
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import java.awt.event.InputEvent; |
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import java.awt.event.MouseEvent; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import javax.swing.ImageIcon; |
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import org.gvsig.fmap.geom.primitive.DefaultEnvelope; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.mapcontext.ViewPort; |
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import org.gvsig.fmap.mapcontrol.MapControl; |
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import org.gvsig.fmap.mapcontrol.tools.BehaviorException; |
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import org.gvsig.fmap.mapcontrol.tools.Events.MoveEvent; |
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import org.gvsig.fmap.mapcontrol.tools.Events.RectangleEvent;
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import org.gvsig.fmap.mapcontrol.tools.Events.EnvelopeEvent;
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import org.gvsig.fmap.mapcontrol.tools.Listeners.PanListener; |
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import org.gvsig.fmap.mapcontrol.tools.Listeners.RectangleListener; |
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* |
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* <p>If the kind of action was a movement on the associated object, |
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* updates the <i>extent</i> of its rectangular area.</p> |
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*
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* |
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* <p>If the kind of action is the selection of a rectangular area, and is bigger than 3x3 pixels, |
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* applies a <i>zoom in</i> operation centering its <code>ViewPort</code> according the equivalent <i>extent</i> |
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* in map coordinates.</p> |
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*
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* |
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* @see ViewPort |
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*
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* |
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* @author jmvivo |
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*/ |
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public class MapOverviewChangeZoomListener implements RectangleListener, PanListener {
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/** |
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* The cursor used to work with this tool listener. |
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*
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* |
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* @see #getCursor() |
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*/ |
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private Cursor cur = Toolkit.getDefaultToolkit().createCustomCursor(izoomin,new Point(16, 16), ""); |
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/** |
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* <p>Creates a new listener for changes of zoom at the associated {@link MapOverview MapOverview} object.</p>
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* |
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* @param mapControl the <code>MapControl</code> object which represents the <code>MapOverview</code>
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* @param mapControl the <code>MapControl</code> object which represents the <code>MapOverview</code> |
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*/ |
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public MapOverviewChangeZoomListener(MapControl mapControl) {
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this.mapControl=mapControl; |
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* (non-Javadoc) |
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* @see com.iver.cit.gvsig.fmap.tools.Listeners.RectangleListener#rectangle(com.iver.cit.gvsig.fmap.tools.Events.RectangleEvent) |
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*/ |
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public void rectangle(RectangleEvent event) throws BehaviorException {
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public void rectangle(EnvelopeEvent event) throws BehaviorException {
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if (!checkModifiers(event.getEvent())){
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return; |
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// Recuperamos las coordenadas del evento en px |
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Rectangle2D pxRectangle = event.getPixelCoordRect(); |
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// Recuperamos las coordenadas del evento en coordenadas de la vista de localizador |
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Rectangle2D realRectangle = event.getWorldCoordRect();
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Envelope realRectangle = event.getWorldCoordRect();
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if ((pxRectangle.getWidth() < 3) && (pxRectangle.getHeight() < 3)) |
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{
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// Creamos un recuadro con las coordenadas del raton |
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// traducidas a la del mapa |
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Rectangle2D realRectangle = new Rectangle2D.Double(); |
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realRectangle.setFrameFromDiagonal(vp.toMapPoint(event.getFrom()),vp.toMapPoint(event.getTo())); |
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// Rectangle2D realRectangle = new Rectangle2D.Double(); |
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Point2D p1=vp.toMapPoint(event.getFrom()); |
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Point2D p2=vp.toMapPoint(event.getTo()); |
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Envelope realRectangle=new DefaultEnvelope(2,new double[]{p1.getX(),p1.getY()},new double[]{p2.getX(),p2.getY()});
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// realRectangle.setFrameFromDiagonal(vp.toMapPoint(event.getFrom()),vp.toMapPoint(event.getTo())); |
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// Establecemos la forma |
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mov.refreshOverView(realRectangle); |
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} |
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/**
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/** |
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* Determines if has pressed the button 1 of the mouse. |
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*/ |
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private boolean checkModifiers(MouseEvent event) {
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