ColorSchemeListCellRenderer.java

/*
 * The Unified Mapping Platform (JUMP) is an extensible, interactive GUI 
 * for visualizing and manipulating spatial features with geometry and attributes.
 *
 * Copyright (C) 2003 Vivid Solutions
 * 
 * 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:
 *
 * Vivid Solutions
 * Suite #1A
 * 2328 Government Street
 * Victoria BC  V8T 5G5
 * Canada
 *
 * (250)385-6040
 * www.vividsolutions.com
 */
package com.vividsolutions.jump.workbench.ui.renderer.style;

import com.vividsolutions.jump.util.CollectionUtil;
import com.vividsolutions.jump.workbench.model.Layer;
import com.vividsolutions.jump.workbench.model.LayerManager;
import com.vividsolutions.jump.workbench.ui.ColorPanel;
import java.awt.*;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;

import javax.swing.*;

public class ColorSchemeListCellRenderer
    extends JPanel
    implements ListCellRenderer {

    private ColorPanel colorPanel1 = new ColorPanel();
    private ColorPanel colorPanel2 = new ColorPanel();
    private ColorPanel colorPanel3 = new ColorPanel();
    private ColorPanel colorPanel4 = new ColorPanel();
    private ColorPanel colorPanel5 = new ColorPanel();
    private GridBagLayout gridBagLayout1 = new GridBagLayout();
    private JLabel label = new JLabel();

    public Component getListCellRendererComponent(
        JList list,
        Object value,
        int index,
        boolean isSelected,
        boolean cellHasFocus) {
		String name = (String) value;
        Collection colors = colorScheme(name).getColors();
        Iterator i = CollectionUtil.stretch(colors, new ArrayList(), 5).iterator();
		label.setText("(" + colors.size() + ") " +  name);        
        color(colorPanel1, (Color) i.next());
        color(colorPanel2, (Color) i.next());
        color(colorPanel3, (Color) i.next());
        color(colorPanel4, (Color) i.next());
        color(colorPanel5, (Color) i.next());
		if (isSelected) {
			label.setForeground(list.getSelectionForeground());
			label.setBackground(list.getSelectionBackground());
			setForeground(list.getSelectionForeground());
			setBackground(list.getSelectionBackground());
		} else {
			label.setForeground(list.getForeground());
			label.setBackground(list.getBackground());
			setForeground(list.getForeground());
			setBackground(list.getBackground());
		}		
		return this;
    }

    protected ColorScheme colorScheme(String name) {
        return ColorScheme.create(name);
    }
    
    private void color(ColorPanel colorPanel, Color fillColor) {
        color(colorPanel, fillColor, Layer.defaultLineColor(fillColor));
    }

    protected void color(ColorPanel colorPanel, Color fillColor, Color lineColor) {
    	colorPanel.setFillColor(fillColor);
    	colorPanel.setLineColor(lineColor);
    }

    public ColorSchemeListCellRenderer() {
        try {
            jbInit();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    private void jbInit() throws Exception {
        this.setLayout(gridBagLayout1);
        label.setText("jLabel1");
        this.add(
            colorPanel1,
             new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(0, 2, 0, 0), 0, 0));
        this.add(
            colorPanel2,
            new GridBagConstraints(
                1,
                0,
                1,
                1,
                0.0,
                0.0,
                GridBagConstraints.CENTER,
                GridBagConstraints.NONE,
                new Insets(0, 0, 0, 0),
                0,
                0));
        this.add(
            colorPanel3,
            new GridBagConstraints(
                2,
                0,
                1,
                1,
                0.0,
                0.0,
                GridBagConstraints.CENTER,
                GridBagConstraints.NONE,
                new Insets(0, 0, 0, 0),
                0,
                0));
        this.add(
            colorPanel4,
            new GridBagConstraints(
                3,
                0,
                1,
                1,
                0.0,
                0.0,
                GridBagConstraints.CENTER,
                GridBagConstraints.NONE,
                new Insets(0, 0, 0, 0),
                0,
                0));
        this.add(
            colorPanel5,
            new GridBagConstraints(
                4,
                0,
                1,
                1,
                0.0,
                0.0,
                GridBagConstraints.CENTER,
                GridBagConstraints.NONE,
                new Insets(0, 0, 0, 0),
                0,
                0));
        this.add(
            label,
             new GridBagConstraints(5, 0, 1, 1, 1.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, new Insets(0, 2, 0, 0), 0, 0));
    }

	/**
	 * Workaround for bug 4238829 in the Java bug database:
	 * "JComboBox containing JPanel fails to display selected item at creation time"
	 */
	public void setBounds(int x, int y, int w, int h) {
		super.setBounds(x, y, w, h);
		validate();
	}

}