Revision 20098 trunk/applications/appgvSIG/src/com/iver/cit/gvsig/project/documents/view/toolListeners/AreaListener.java

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AreaListener.java
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/**


  		




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 * DOCUMENT ME!


  		




  
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 * <p>Listener for calculating the area of a polygon, defined in the associated {@link MapControl MapControl}


  		




  
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 *  object.</p>


  		




  
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 * <p>Moves the extent of the associated {@link MapControl MapControl} object


  		




  
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 *  according the movement between the initial and final points of the line determined by the movement


  		




  
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 *  dragged with the third button of the mouse.</p>


  		




  
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 * 


  		




  
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 * <p>Updates the status bar of the main frame of the application with the current area.</p>


  		




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 *


  		




  
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 * @see AreaListenerImpl


  		




  
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 * 


  		




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 * @author Vicente Caballero Navarro


  		




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 */


  		




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public class AreaListener extends AreaListenerImpl {


  		




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	/**


  		




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     * Crea un nuevo AreaListener.


  		




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     *


  		




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     * @param vp DOCUMENT ME!


  		




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     */


  		




  
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 	 * <p>Creates a new listener for calculating the area of a polygon and displaying it at the status bar


  		




  
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 	 *  of the main frame of the application.</p>


  		




  
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	 *


  		




  
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	 * @param mc the <code>MapControl</code> where is calculated the area


  		




  
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	 */


  		




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    public AreaListener(MapControl mc) {


  		




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    	super(mc);


  		




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    }


  		




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    /**


  		




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     * DOCUMENT ME!


  		




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     *


  		




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     * @param event DOCUMENT ME!


  		




  
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    /*


  		




  
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     * (non-Javadoc)


  		




  
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     * @see com.iver.cit.gvsig.fmap.tools.AreaListenerImpl#points(com.iver.cit.gvsig.fmap.tools.Events.MeasureEvent)


  		




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     */


  		




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    public void points(MeasureEvent event) {


  		




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        this.event = event;


  		




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                                        event.getYs()[event.getYs().length - 2].doubleValue()))/Math.pow(MapContext.CHANGEM[distanceUnits],2)) + "");


  		




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        }


  		




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    }


  		




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}


  		












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