Application: gvSIG desktop

package com.iver.cit.gvsig.project.documents.view.toolListeners;

import java.awt.Cursor;

import java.awt.geom.Rectangle2D;

import java.util.ArrayList;

import com.iver.cit.gvsig.fmap.DriverException;

import com.iver.cit.gvsig.fmap.MapControl;

import com.iver.cit.gvsig.fmap.layers.FLyrRaster;

import com.iver.cit.gvsig.fmap.tools.SaveRasterListenerImpl;

import com.iver.cit.gvsig.fmap.tools.Events.RectangleEvent;

import com.iver.cit.gvsig.project.documents.raster.gui.dialogs.CutRasterDialog;

/**

 * Listener del recorte de raster. Al seleccionar un ?rea sobre la vista debe cargar

 * el cuadro con los datos de coordenadas pixel, coordenadas reales, ancho y alto

 * del raster resultante, tama?o de celda.

 */

public class CutRasterListener extends SaveRasterListenerImpl {

        private FLyrRaster                         layer = null;

        private CutRasterDialog         cutRasterDialog;

        private MapControl                        mapCtrl = null;

        private String                                currentTool = null;

        /**

         * Constructor.

         * @param mapCtrl

         * @param cutRasterDialog

         */

        public CutRasterListener(MapControl mapCtrl, CutRasterDialog cutRasterDialog) {

                super(mapCtrl);

                this.cutRasterDialog = cutRasterDialog;

                this.layer = cutRasterDialog.getFLayer();

                this.mapCtrl = mapCtrl;

                currentTool = mapCtrl.getCurrentTool();

        }

        /**

         * Asigna la capa raster.

         * @param flyr Capa raster

         */

        public void  setRasterLayer(FLyrRaster flyr){

                layer = flyr;

        }

        /**

         * Realiza las acciones de selecci?n del ?rea de recorte por medio de un rectangulo

         * sobre la vista.

         */

        public void rectangle(RectangleEvent event) {

                super.rectangle(event);

                //Obtenemos el extent completo de la capa

                Rectangle2D extent = null;

                try {

                        extent = ((FLyrRaster)layer).getFullExtent();        

                } catch (DriverException e1) {

                        return;

                }

                if(extent == null)

                        return;

                //Si nos salimos de los margenes de la capa lo ajustamos a esta

                double minx = rect.getMinX(), miny = rect.getMinY(), maxx = rect.getMaxX(), maxy = rect.getMaxY();

                if(extent.getMinX() > rect.getMinX())

                        minx = extent.getMinX();

                if(extent.getMinY() > rect.getMinY())

                        miny = extent.getMinY();

                if(extent.getMaxX() < rect.getMaxX())

                        maxx = extent.getMaxX();

                if(extent.getMaxY() < rect.getMaxY())

                        maxy = extent.getMaxY();

                rect = new Rectangle2D.Double(minx, miny, Math.abs(maxx - minx), Math.abs(maxy - miny));

                //Asignamos las coordenadas reales

                cutRasterDialog.getPCut().setCoorRealFromDouble(rect.getMinX(), rect.getMaxY(), rect.getMaxX(), rect.getMinY(), 6);

                try {

                        int widthPx = 0;

                        int heightPx = 0;

                        ArrayList attr = ((FLyrRaster)layer).getSource().getAttributes();

                           for (int i=0; i<attr.size(); i++) {

                                Object[] a = (Object []) attr.get(i);

                                if(a[0].toString().equals("Width"))

                                        widthPx = ((Integer)a[1]).intValue();

                                if(a[0].toString().equals("Height"))

                                        heightPx = ((Integer)a[1]).intValue();

                        }

                           Rectangle2D window = new Rectangle2D.Double(rect.getMinX(), rect.getMinY(), rect.getWidth(), rect.getHeight());

                           Rectangle2D r = org.cresques.util.Utilities.getPxRectFromMapRect(layer.getFullExtent(), widthPx, heightPx, window);

                           cutRasterDialog.getPCut().setCoorPixelFromDouble(r.getMinX(), r.getMinY(), r.getMaxX(), r.getMaxY(), 3);

                           cutRasterDialog.getPCut().setWidthText(r.getWidth(), 0);

                           cutRasterDialog.getPCut().setHeightText(r.getHeight(), 0);

                           cutRasterDialog.getPCut().setCellSizeText((rect.getWidth() / r.getWidth()), 4);

                           cutRasterDialog.getPCut().setRelWidthHeight((double)(r.getWidth() / r.getHeight()));

                           cutRasterDialog.setInitValuesToSize(r.getWidth(), r.getHeight());

                           if(currentTool != null)

                                   mapCtrl.setTool(currentTool);

                } catch (DriverException e) {

                } catch (NumberFormatException e) {

                }

        }

}