/**
* 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;
import java.io.IOException;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import org.ajax4jsf.renderkit.RendererBase;
import org.ajax4jsf.util.HtmlDimensions;
import org.ajax4jsf.util.style.CSSFormat;
import org.richfaces.component.UISeparator;
import org.richfaces.renderkit.html.images.BevelSeparatorImage;
import org.richfaces.renderkit.html.images.SimpleSeparatorImage;
public class SeparatorRendererBase extends RendererBase {
private static final String[] SUPPORTED_TYPES = {
UISeparator.LINE_TYPE_BEVEL,
UISeparator.LINE_TYPE_DASHED,
UISeparator.LINE_TYPE_DOTTED,
UISeparator.LINE_TYPE_DOUBLE,
UISeparator.LINE_TYPE_SOLID
};
private String getCSSDimension(UIComponent component, String attributeName, String defaultValue) {
Object hO = component.getAttributes().get(attributeName);
String height;
if (hO == null) {
height = defaultValue;
} else if (hO instanceof String) {
height = (String) hO;
if (height.trim().length() == 0) {
height = defaultValue;
}
} else {
height = hO.toString();
}
if (height.trim().length() == 0) {
return height;
} else {
return getUtils().encodePctOrPx(height);
}
}
protected Class getComponentClass() {
return UISeparator.class;
}
public boolean getRendersChildren() {
return true;
}
protected boolean isSupportedLineType(String lineType) {
for (int i = 0; i < SUPPORTED_TYPES.length; i++) {
if (lineType.equalsIgnoreCase(SUPPORTED_TYPES[i])) return true;
}
return false;
}
public String backgroundImage(FacesContext context, UIComponent component) throws IOException {
UISeparator separator = (UISeparator) component;
String lineType = separator.getLineType();
if (! isSupportedLineType(lineType)) {
lineType = UISeparator.LINE_TYPE_BEVEL;
}
String height = getHeight(context, component);
if (height.trim().endsWith("%"))
throw new FacesException("It is not allowed to set height of separator in percent (component " + component.getId() + ")!");
int h = HtmlDimensions.decode(height).intValue();
if (lineType == null || lineType.trim().length() == 0) {
lineType = UISeparator.LINE_TYPE_BEVEL;
}
//XXX by nick - fantonov - equalsIgnoreCase here?
if (lineType.equalsIgnoreCase(UISeparator.LINE_TYPE_BEVEL) && h < 3) {
lineType = UISeparator.LINE_TYPE_SOLID;
}
String uri = null;
if (lineType.equalsIgnoreCase(UISeparator.LINE_TYPE_BEVEL)) {
uri = getResource(BevelSeparatorImage.class.getName()).getUri(context, component);
} else {
uri = getResource(SimpleSeparatorImage.class.getName()).getUri(context, component);
}
if (uri != null) {
uri = CSSFormat.url(uri);
}
return uri;
}
public String getHeight(FacesContext context, UIComponent component) {
return getCSSDimension(component, "height", UISeparator.DEFAULT_HEIGHT);
}
public String getWidth(FacesContext context, UIComponent component) {
return getCSSDimension(component, "width", UISeparator.DEFAULT_WIDTH);
}
}