| gvSIG desktop 1

package com.iver.cit.gvsig.gui.styling;

import java.awt.BasicStroke;

import java.awt.Component;

import javax.swing.DefaultListCellRenderer;

import javax.swing.JList;

import javax.swing.ListCellRenderer;

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

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

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

import com.iver.utiles.swing.JComboBox;

public class JLineStyleComboBox 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 BasicStroke().getDashArray(); // line (no dash)

                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 DefaultListCellRenderer() {

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

                        Component c = super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);

                        if (value == null)

                                return c;

                        final IStyle style = (IStyle) value;

                        StylePreviewer sp = new StylePreviewer();

                        sp.setPreferredSize(getSize());

                        sp.setStyle(style);

                        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);

                }

                removeAll();

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

                        addItem(styles[i]);

                }

        }

        public JLineStyleComboBox() {

                super();

                setRenderer(renderer);

                refreshStyles();

        }

        public JLineStyleComboBox(Object[] elements) {

                super(elements);

                setRenderer(renderer);

                refreshStyles();

        }

        public void setLineWidth(int width) {

                this.width = width;

                refreshStyles();

        }

}