Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 */

package org.gvsig.rastertools.enhanced.graphics;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import javax.swing.JPanel;

import org.gvsig.raster.beans.canvas.DrawableElement;

import org.gvsig.raster.beans.canvas.GCanvas;

import org.gvsig.raster.beans.canvas.layers.Border;

import org.gvsig.raster.beans.canvas.layers.GraphicHistogram;

import org.gvsig.raster.beans.canvas.layers.MinMaxLines;

import org.gvsig.raster.beans.canvas.layers.StraightLine;

import org.gvsig.raster.dataset.properties.DatasetColorInterpretation;

import org.gvsig.raster.datastruct.Histogram;

import org.gvsig.rastertools.enhanced.ui.EnhancedListener;

/**

 * Componente con el histograma de entrada.

 * 

 * 20/02/2008

 * @author Nacho Brodin nachobrodin@gmail.com

 */

public class InputHistogram extends HistogramGraphicBase {

        private static final long serialVersionUID = 681848373747974757L;

        private MinMaxLines                      minMaxLines        = null; 

        private Color                            minmaxColor        = Color.WHITE;

        private DrawableElement                  dElement           = null;

        /**

         * Crea una nueva instancia de InputHistogram.

         */

        public InputHistogram(Histogram hist, DatasetColorInterpretation ci, double[] minList, double[] maxList) {

                super(hist, ci, minList, maxList);

                init();

        }

        /**

         * Inicializaci?n de componentes gr?ficos

         */

        protected void init() {

                super.init();

                dElement = new StraightLine(Color.YELLOW);

                this.setLayout(new BorderLayout());

                this.add(getCanvas(), BorderLayout.CENTER);

                this.add(getSouthPanel(), BorderLayout.SOUTH);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.rastertools.enhanced.graphics.HistogramGraphicBase#getSouthPanel()

         */

        public JPanel getSouthPanel() {

                if(south == null) {

                        south = new JPanel();

                        south.setLayout(new GridBagLayout());

                        GridBagConstraints gb = new GridBagConstraints();

                        gb.weightx = 1;

                        gb.anchor = GridBagConstraints.WEST;

                        south.add(getMinValue(), gb);

                        gb.anchor = GridBagConstraints.EAST;

                        south.add(getMaxValue(), gb);

                }

                return south;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.rastertools.enhanced.graphics.HistogramGraphicBase#getCanvas()

         */

        public GCanvas getCanvas() {

                if(canvas == null) {

                        gHist = new GraphicHistogram(histogramDrawed, histogramColor);

                        gHist.setType(GraphicHistogram.TYPE_LINE);

                        minMaxLines = new MinMaxLines(minmaxColor);

                        //minMaxLines.setActionManager(this);

                        canvas = new GCanvas(Color.BLACK);

                        canvas.setDrawableElement(new Border(borderColor));

                        canvas.setDrawableElement(gHist);

                        canvas.setDrawableElement(dElement);

                        canvas.setDrawableElement(minMaxLines);

                }

                return canvas;

        }

        /**

         * Asigna el listener para gestionar el evento de movimiento de gr?ficos

         * @param listener

         */

        public void setListener(EnhancedListener listener) {

                getCanvas().addValueChangedListener(listener);

        }

}