/**
* License Agreement.
*
* JBoss RichFaces - Ajax4jsf Component Library
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* 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
*/
package org.richfaces.renderkit.html.images;
import static org.richfaces.renderkit.html.images.ColorUtils.adjustLightness;
import static org.richfaces.renderkit.html.images.ColorUtils.overwriteAlpha;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GradientPaint;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.util.Date;
import javax.faces.context.FacesContext;
import org.ajax4jsf.resource.InternetResourceBase;
import org.ajax4jsf.resource.InternetResourceBuilder;
import org.ajax4jsf.resource.Java2Dresource;
import org.ajax4jsf.resource.PngRenderer;
import org.ajax4jsf.resource.ResourceContext;
import org.ajax4jsf.util.HtmlColor;
import org.ajax4jsf.util.Zipper2;
import org.richfaces.skin.SkinFactory;
public class ProgressBarBg extends Java2Dresource {
private Dimension dim = new Dimension(24, 48);
private Color progressbarBasicColor;
/**
* <P>
* No args constructor.
* </p>
*/
public ProgressBarBg() {
setRenderer(new PngRenderer());
setLastModified(new Date(InternetResourceBuilder.getInstance().getStartTime()));
}
/**
* @see Java2Dresource#getDimensions(ResourceContext)
*/
protected Dimension getDimensions(ResourceContext resourceContext) {
return dim;
}
/**
* @see Java2Dresource#getDimensions(FacesContext, Object)
*/
public Dimension getDimensions(FacesContext facesContext, Object data) {
return dim;
}
/**
* @see Java2Dresource#isCacheable(ResourceContext)
*/
public boolean isCacheable(ResourceContext ctx) {
return true;
}
/**
* <P>
* Paints fixed progress bar background.
* </p>
*/
protected void paint(ResourceContext context, Graphics2D g2d) {
restoreData(context);
Color progressbarBackgroundColor = progressbarBasicColor;
Color progressbarSpiralColor = adjustLightness(progressbarBasicColor, 0.2f);
Color progressbarShadowStartColor = overwriteAlpha(adjustLightness(progressbarBasicColor, 0.7f), 0.6f);
Color progressbarShadowEndColor = overwriteAlpha(adjustLightness(progressbarBasicColor, 0.3f), 0.6f);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setColor(progressbarBackgroundColor);
g2d.fillRect(0, 0, dim.width, dim.height);
g2d.setColor(progressbarSpiralColor);
for (int k : new int[] { -24, 0, 24 }) {
g2d.fillPolygon(new int[] { 0, 24, 24, 0 }, new int[] { 24 + k, k, 12 + k, 36 + k }, 4);
}
// paint a shadow in the form of semi-transparent gradient
g2d.setPaint(new GradientPaint(0, 0, progressbarShadowStartColor, 0, 7, progressbarShadowEndColor));
g2d.fillRect(0, 0, dim.width, 7);
}
/**
* @see InternetResourceBase#getDataToStore(FacesContext, Object)
*/
protected Object getDataToStore(FacesContext context, Object data) {
byte[] retVal = new byte[3 * 1];
progressbarBasicColor = getColorValueParameter(context, "selectControlColor");
new Zipper2(retVal).addColor(progressbarBasicColor);
return retVal;
}
/**
* @see InternetResourceBase#deserializeData(byte[])
*/
protected Object deserializeData(byte[] objectArray) {
if (objectArray != null) {
Zipper2 zipper2 = new Zipper2(objectArray);
progressbarBasicColor = zipper2.nextColor();
}
return objectArray;
}
private Color getColorValueParameter(FacesContext context, String name) {
Color retVal = null;
String color = (String) SkinFactory.getInstance().getSkin(context).getParameter(context, name);
if (null == color || "".equals(color.trim())) {
color = (String) SkinFactory.getInstance().getDefaultSkin(context).getParameter(context, name);
}
if (null != color && !"".equals(color.trim())) {
retVal = HtmlColor.decode(color);
}
return retVal;
}
}