Revision 17719 trunk/extensions/extRasterTools-SE/src/org/gvsig/rastertools/histogram/HistogramProcess.java

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HistogramProcess.java
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*/
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package org.gvsig.rastertools.histogram;
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import org.gvsig.gui.beans.incrementabletask.IIncrementable;


  		




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import org.gvsig.gui.beans.incrementabletask.IncrementableEvent;


  		




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import org.gvsig.gui.beans.incrementabletask.IncrementableListener;


  		




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import org.gvsig.gui.beans.incrementabletask.IncrementableTask;


  		




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import org.gvsig.raster.datastruct.Histogram;


  		




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import org.gvsig.raster.datastruct.HistogramException;


  		




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import org.gvsig.raster.hierarchy.IHistogramable;


  		




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import org.gvsig.raster.process.CancelEvent;


  		




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import org.gvsig.raster.process.RasterTask;


  		




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import org.gvsig.raster.process.RasterTaskQueue;


  		




  
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import org.gvsig.rastertools.RasterProcess;


  		




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import com.iver.andami.PluginServices;


  		




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import com.iver.andami.messages.NotificationManager;


  		




  ......




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 * @version 23/04/2007


  		




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 * @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)


  		




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 */


  		




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public class HistogramProcess implements Runnable, IIncrementable, IncrementableListener {


  		




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	IHistogramable                  iHistogramable = null;


  		




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	HistogramPanelListener          hpl = null;


  		




  
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public class HistogramProcess extends RasterProcess {


  		




  
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	IHistogramable iHistogramable = null;


  		




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	IncrementableTask               incrementableTask = null;


  		




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	private volatile Thread         blinker;


  		




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	private RasterTask				rasterTask = new RasterTask(this);


  		




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	/**


  		




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	 * Constructor del Proceso de calculo de histogramas.


  		




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	 * @param iHistogramable


  		




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	 * @param hpl


  		




  
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	/*


  		




  
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	 * (non-Javadoc)


  		




  
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	 * @see org.gvsig.rastertools.RasterProcess#init()


  		




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	 */


  		




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	public HistogramProcess(IHistogramable iHistogramable, HistogramPanelListener hpl) {


  		




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		this.iHistogramable = iHistogramable;


  		




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		this.hpl = hpl;


  		




  
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	public void init() {


  		




  
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		iHistogramable = (IHistogramable) getParam("histogramable");


  		




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	}


  		




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	/**


  		




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	 * Lanzar el Thread del proceso de calculo de histograma.


  		




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	 */


  		




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	public void start() {


  		




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		blinker = new Thread(this);


  		




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		blinker.start();


  		




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	}


  		




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	/*


  		




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	 * (non-Javadoc)


  		




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	 * @see java.lang.Runnable#run()


  		




  
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	 * @see org.gvsig.rastertools.RasterProcess#process()


  		




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	 */


  		




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	public void run() {


  		




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		RasterTaskQueue.register(rasterTask);


  		




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	public void process() throws InterruptedException {


  		




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		try {


  		




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			// Proceso duro de obtener un histograma. Puede durar bastante tiempo.


  		




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			Histogram histogram = iHistogramable.getHistogram();


  		




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			// Ya tenemos el histograma y lo representamos en la ventana


  		




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			if (histogram != null)


  		




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				hpl.setNewHistogram(histogram);


  		




  
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				externalActions.end(histogram);


  		




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		} catch (HistogramException e) {


  		




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			NotificationManager.addError("Error calculando el histograma.", e);


  		




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		} catch (InterruptedException e) {


  		




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			//No hacemos nada en la cancelaci?n. Se ejecuta el finally


  		




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		} finally {


  		




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			RasterTaskQueue.remove(rasterTask);


  		




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			//Cerramos la ventana de incremento de manera correcta.


  		




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			incrementableTask.processFinalize();


  		




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		}


  		




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	}


  		




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	/**


  		




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	 * Definir el IncrementableTask


  		




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	 * @param value


  		




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	 */


  		




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	public void setIncrementableTask(IncrementableTask value) {


  		




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		incrementableTask = value;


  		




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		incrementableTask.addIncrementableListener(this);


  		




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	}


  		




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	/*


  		




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	 * (non-Javadoc)


  		




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	 * @see org.gvsig.gui.beans.IncrementableTask.IIncrementable#getLabel()


  		




  
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	 * @see org.gvsig.rastertools.RasterProcess#getLog()


  		




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	 */


  		




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	public String getLabel() {


  		




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		return PluginServices.getText(this, "generando_histograma") + "...";


  		




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	}


  		




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	/*


  		




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	 * (non-Javadoc)


  		




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	 * @see org.gvsig.gui.beans.IncrementableTask.IIncrementable#getLog()


  		




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	 */


  		




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	public String getLog() {


  		




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		if (iHistogramable.getPercent() == 0) {


  		




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			return PluginServices.getText(this, "calculando_estadisticas") + "...\n";


  		




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		}


  		




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		return PluginServices.getText(this, "estadisticas_calculadas") + "\n" + PluginServices.getText(this, "calculando_histograma") + "...\n";


  		




  
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		return PluginServices.getText(this, "calculando_histograma") + "...\n";


  		




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	}


  		




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	/*


  		




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	 * (non-Javadoc)


  		




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	 * @see org.gvsig.gui.beans.IncrementableTask.IIncrementable#getPercent()


  		




  
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	 * @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getPercent()


  		




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	 */


  		




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	public int getPercent() {


  		




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		return iHistogramable.getPercent();


  		




  
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		if (iHistogramable != null)


  		




  
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			return iHistogramable.getPercent();


  		




  
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		return 0;


  		




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	}


  		




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	/*


  		




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	 * (non-Javadoc)


  		




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	 * @see org.gvsig.gui.beans.IncrementableTask.IIncrementable#getTitle()


  		




  
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	 * @see org.gvsig.gui.beans.incrementabletask.IIncrementable#getTitle()


  		




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	 */


  		




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	public String getTitle() {


  		




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		return PluginServices.getText(this, "calculando_histograma");


  		




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	}


  		




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	/*


  		




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	 * (non-Javadoc)


  		




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	 * @see org.gvsig.gui.beans.incrementabletask.IncrementableListener#actionCanceled(org.gvsig.gui.beans.incrementabletask.IncrementableEvent)


  		




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	 */


  		




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	public void actionCanceled(IncrementableEvent e) {


  		




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		rasterTask.setEvent(new CancelEvent(this));


  		




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	}


  		




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	/*


  		




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	 * (non-Javadoc)


  		




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	 * @see org.gvsig.gui.beans.incrementabletask.IncrementableListener#actionResumed(org.gvsig.gui.beans.incrementabletask.IncrementableEvent)


  		




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	 */


  		




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	public void actionResumed(IncrementableEvent e) {


  		




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	}


  		




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	/*


  		




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	 * (non-Javadoc)


  		




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	 * @see org.gvsig.gui.beans.incrementabletask.IncrementableListener#actionSuspended(org.gvsig.gui.beans.incrementabletask.IncrementableEvent)


  		




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	 */


  		




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	public void actionSuspended(IncrementableEvent e) {


  		




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	}


  		




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}


  		












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