/**
* 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 java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.util.Date;
import javax.faces.context.FacesContext;
import org.ajax4jsf.resource.GifRenderer;
import org.ajax4jsf.resource.InternetResourceBuilder;
import org.ajax4jsf.resource.Java2Dresource;
import org.ajax4jsf.resource.ResourceContext;
import org.ajax4jsf.util.HtmlColor;
import org.ajax4jsf.util.Zipper2;
import org.richfaces.skin.Skin;
import org.richfaces.skin.SkinFactory;
/**
* @author Siarhej Chalipau
*
*/
public abstract class TriangleIconBase extends Java2Dresource {
private static final Dimension DIMENSION = new Dimension(15, 15);
protected static final String ICON_COLOR = "generalTextColor";
//protected static final String BACKGROUND_COLOR = "tabBackgroundColor";
protected static final String BORDER_COLOR = "generalBackgroundColor";
protected static final String DISABLED_ICON_COLOR = "tabDisabledTextColor";
//protected static final String DISABLED_BACKGROUND_COLOR = "tabBackgroundColor";
protected static final String DISABLED_BORDER_COLOR = "generalBackgroundColor";
public TriangleIconBase() {
setRenderer(new GifRenderer());
setLastModified(new Date(InternetResourceBuilder.getInstance().getStartTime()));
}
abstract protected void paintImage(ResourceContext context, Graphics2D g2d, Color textColor, Color borderColor);
protected void paintBaseTriangle(Graphics2D g2d) {
for (int i = 0; i < 7; i++) {
g2d.drawLine(-3 + i, 1, -3 + i, 1 + (i < 4 ? i : 6 - i));
}
}
protected void paint(ResourceContext context, Graphics2D g2d) {
Color [] data = (Color[]) restoreData(context);
Color textColor = data[0];
Color borderColor = data[1];
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
g2d.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_NORMALIZE);
g2d.setRenderingHint(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY);
g2d.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_DISABLE);
g2d.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
// g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
// g2d.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_DISABLE);
// g2d.setRenderingHint(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY);
if (textColor != null && borderColor != null && g2d != null) {
paintImage(context, g2d, textColor, borderColor);
}
}
public Dimension getDimensions(FacesContext facesContext, Object data) {
return DIMENSION;
}
protected Dimension getDimensions(ResourceContext resourceContext) {
return DIMENSION;
}
/**
* @param data - pass icon color and background color
*/
protected Object getDataToStore(FacesContext context, Object data) {
return getDataToStore(context, null, ICON_COLOR, null,
BORDER_COLOR);
}
protected String getParameterValue(FacesContext context, Skin skin, Skin defaultSkin,
String parameterName, String defaultParameterName) {
String value = null;
if (parameterName != null && parameterName.length() != 0) {
value = (String) skin.getParameter(context, parameterName);
if (value == null || value.length() == 0) {
value = (String) defaultSkin.getParameter(context, parameterName);
}
}
if (value == null || value.length() == 0) {
if (defaultParameterName != null && defaultParameterName.length() != 0) {
value = (String) skin.getParameter(context, defaultParameterName);
if (value == null || value.length() == 0) {
value = (String) defaultSkin.getParameter(context, defaultParameterName);
}
}
}
if (value == null) {
return "#FFFFFF";
}
return value;
}
protected Object getDataToStore(FacesContext context,
String iconColorParam,
String defaultIconColorParam,
String borderColorParam,
String defaultBorderColorParam) {
SkinFactory skinFactory = SkinFactory.getInstance();
Skin skin = skinFactory.getSkin(context);
Skin defaultSkin = skinFactory.getDefaultSkin(context);
byte [] ret = new byte[6];
Color color = null;
Zipper2 zipper = new Zipper2(ret);
String color1 = getParameterValue(context, skin, defaultSkin,
iconColorParam,
defaultIconColorParam);
color = HtmlColor.decode(color1);
zipper.addColor(color);
String color2 = getParameterValue(context, skin, defaultSkin,
borderColorParam,
defaultBorderColorParam);
color = HtmlColor.decode(color2);
zipper.addColor(color);
return ret;
}
protected Object deserializeData(byte[] objectArray) {
if (objectArray == null) {
return null;
}
Zipper2 zipper = new Zipper2(objectArray);
return new Color[] {zipper.nextColor(), zipper.nextColor()};
}
public boolean isCacheable() {
return true;
}
}