Revision 21743 branches/v2_0_0_prep/applications/appgvSIG/src/com/iver/cit/gvsig/project/documents/view/toolListeners/MapOverviewListener.java

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MapOverviewListener.java
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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.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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/**


  		




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 * <p>Listener for changes of the zoom caused by selecting a point on the associated {@link MapOverview MapOverview} object


  		




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 *  by a single click of the button 1 of the mouse.</p>


  		




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 * 


  		




  
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 *


  		




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 * <p>Updates the extent of its <code>ViewPort</code> with a <i>zoom out</i> operation, and enables/disables controls for


  		




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 *  managing the data.</p>


  		




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 *


  		




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 * @see ViewPort


  		




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 * 


  		




  
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 *


  		




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 * @author Vicente Caballero Navarro


  		




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 */


  		




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public class MapOverviewListener implements PointListener {


  		




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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(izoomout,


  		




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	/**


  		




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 	 * <p>Creates a new listener for zooming out the extent of 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 MapOverviewListener(MapOverview mapControl) {


  		




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		this.mapControl = mapControl;


  		




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			if (event.getEvent().getButton()!=MouseEvent.BUTTON1) {


  		




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				((MapOverview) this.mapControl).getAssociatedMapContext()


  		




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					.getViewPort().setEnvelope(r);


  		




  
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					.getViewPort().setEnvelope(new DefaultEnvelope(2,new double[]{r.getX(),r.getY()},new double[]{r.getMaxX(),r.getMaxY()}));


  		




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				PluginServices.getMainFrame().enableControls();


  		




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			}


  		




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		}


  		












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