/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------------
* PaletteSample.java
* ------------------
* (C) Copyright 2002-2007, by David M. O'Donnell.
*
* Original Author: David M. O'Donnell;
* Contributor(s): David Gilbert (for Object Refinery Limited);
*
* Changes
* -------
* 21-Jan-2003 : Added standard header (DG);
* ------------- JFREECHART 1.0.x ---------------------------------------------
* 31-Jan-2007 : Deprecated (DG);
*
*/
package org.jfree.chart.editor;
import java.awt.BasicStroke;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.RenderingHints;
import java.awt.geom.Line2D;
import javax.swing.JComponent;
import javax.swing.JList;
import javax.swing.ListCellRenderer;
import org.jfree.chart.plot.ColorPalette;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYBlockRenderer;
/**
* A panel that displays a palette sample.
*
* @deprecated This class is no longer supported (as of version 1.0.4). If
* you are creating contour plots, please try to use {@link XYPlot} and
* {@link XYBlockRenderer}.
*/
public class PaletteSample extends JComponent implements ListCellRenderer {
/** The palette being displayed. */
private ColorPalette palette;
/** The preferred size of the component; */
private Dimension preferredSize;
/**
* Creates a new sample.
*
* @param palette the palette.
*/
public PaletteSample(ColorPalette palette) {
this.palette = palette;
this.preferredSize = new Dimension(80, 18);
}
/**
* Returns a list cell renderer for the stroke, so the sample can be
* displayed in a list or combo.
*
* @param list the list component.
* @param value the value.
* @param index the index.
* @param isSelected a flag that indicates whether or not the item is
* selected.
* @param cellHasFocus a flag that indicates whether or not the cell has
* the focus.
*
* @return The renderer.
*/
public Component getListCellRendererComponent(JList list, Object value,
int index,
boolean isSelected,
boolean cellHasFocus) {
if (value instanceof PaletteSample) {
PaletteSample in = (PaletteSample) value;
setPalette(in.getPalette());
}
return this;
}
/**
* Returns the current palette object being displayed.
*
* @return The palette.
*/
public ColorPalette getPalette() {
return this.palette;
}
/**
* Returns the preferred size of the component.
*
* @return The preferred size.
*/
public Dimension getPreferredSize() {
return this.preferredSize;
}
/**
* Draws the sample.
*
* @param g the graphics device.
*/
public void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(
RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF
);
Dimension size = getSize();
Insets insets = getInsets();
double ww = size.getWidth() - insets.left - insets.right;
double hh = size.getHeight() - insets.top - insets.bottom;
g2.setStroke(new BasicStroke(1.0f));
double y1 = insets.top;
double y2 = y1 + hh;
double xx = insets.left;
Line2D line = new Line2D.Double();
int count = 0;
while (xx <= insets.left + ww) {
count++;
line.setLine(xx, y1, xx, y2);
g2.setPaint(this.palette.getColor(count));
g2.draw(line);
xx += 1;
}
}
/**
* Sets the palette object being displayed.
*
* @param palette the palette.
*/
public void setPalette(ColorPalette palette) {
this.palette = palette;
this.repaint();
}
}
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