| gvSIG desktop 1

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

 *

 * Copyright (C) 2005 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.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package org.gvsig.symbology.gui.styling;

import java.awt.BasicStroke;

import java.awt.Component;

import java.awt.Dimension;

import javax.swing.JList;

import javax.swing.ListCellRenderer;

import javax.swing.UIManager;

import com.iver.cit.gvsig.fmap.core.styles.ILineStyle;

import com.iver.cit.gvsig.fmap.core.styles.SimpleLineStyle;

import com.iver.cit.gvsig.gui.styling.StylePreviewer;

import com.iver.utiles.swing.JComboBox;

/**

 * ComboBox that shows the different styles of line that can be selected by

 * the user in order to modify a symbol composed by lines .

 *

 * @author jaume dominguez faus - jaume.dominguez@iver.es

 *

 */

public class JComboBoxLineStyles extends JComboBox {

        private static final int PREDEFINED_STYLE_COUNT = 6;

        private static final int LINE_WIDTH = 10;

        private static final int DOT_WIDTH = 2;

        private int endCap;

        private int lineJoin;

        private float miterlimit;

        private int width;

        public static  float[][] dash = new float[PREDEFINED_STYLE_COUNT][];

        {

                dash[0] = new float[] {        1 }; // no dash, line

                dash[1] = new float[] {        LINE_WIDTH        }; // lines

                dash[2] = new float[] {        DOT_WIDTH        }; // dots

                dash[3] = new float[] {        LINE_WIDTH,

                                                                DOT_WIDTH        }; // line + dot

                dash[4] = new float[] {        LINE_WIDTH,

                                                                DOT_WIDTH,

                                                                DOT_WIDTH        }; // line + dot + dot

                dash[5] = new float[] {        LINE_WIDTH,

                                                                LINE_WIDTH,

                                                                DOT_WIDTH,

                                                                DOT_WIDTH        }; // line + line + dot + dot

        }

        {

                BasicStroke dummy = new BasicStroke();

                endCap = dummy.getEndCap();

                lineJoin = dummy.getLineJoin();

                miterlimit = dummy.getMiterLimit();

        }

        ILineStyle[] styles = new ILineStyle[PREDEFINED_STYLE_COUNT];

        private ListCellRenderer renderer = new ListCellRenderer() {

                public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {

                        SimpleLineStyle style = null;

                        if (value instanceof float[]) {

                        float[] d = (float[]) value;

                        style = new SimpleLineStyle(width, endCap, lineJoin, miterlimit, d, 0);

                        } else if (value instanceof SimpleLineStyle) {

                                style = (SimpleLineStyle) value;

                        }

                        StylePreviewer sp = new StylePreviewer();

                        Dimension sz = new Dimension(80, 20);

                        sp.setSize(50, 25);

                        sp.setPreferredSize(sz);

                        sp.setStyle(style);

                        sp.setForeground(UIManager.getColor(isSelected

                                        ? "ComboBox.selectionForeground"

                                                        : "ComboBox.foreground"));

                        sp.setBackground(UIManager.getColor(isSelected

                                        ? "ComboBox.selectionBackground"

                                                        : "ComboBox.background"));

                        return sp;

                };

        };

        private void refreshStyles() {

                for (int i = 0; i < styles.length; i++) {

                        styles[i] = new SimpleLineStyle(width, endCap, lineJoin, miterlimit, dash[i], width*5);

                }

                removeAllItems();

                for (int i = 0; i < styles.length; i++) {

                        addItem(styles[i]);

                }

        }

        /**

         * Constructor method

         *

         */

        public JComboBoxLineStyles() {

                super();

                initialize();

        }

        /**

         * Initializes this

         *

         */

        private void initialize() {

                removeAllItems();

                for (int i = 0; i < dash.length; i++) {

                        addItem(dash[i]);

                }

                setEditable(false);

                setRenderer(renderer);

                refreshStyles();

        }

        /**

         * Sets the width of the line

         * @param width

         */

        public void setLineWidth(int width) {

                this.width = width;

                refreshStyles();

        }

}