/*
* JBoss, Home of Professional Open Source
* Copyright ${year}, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.renderkit.html;
import java.io.IOException;
import java.util.List;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.richfaces.cdk.annotations.JsfRenderer;
import org.richfaces.component.AbstractToolbar;
import org.richfaces.component.AbstractToolbarGroup;
import org.richfaces.renderkit.HtmlConstants;
@JsfRenderer(type = ToolbarGroupRenderer.RENDERER_TYPE, family = AbstractToolbar.COMPONENT_FAMILY)
public class ToolbarGroupRenderer extends ToolbarRendererBase {
public static final String RENDERER_TYPE = "org.richfaces.ToolbarGroupRenderer";
protected Class<? extends UIComponent> getComponentClass() {
return AbstractToolbarGroup.class;
}
public boolean getRendersChildren() {
return true;
}
public void encodeChildren(FacesContext facesContext, UIComponent component) throws IOException {
AbstractToolbarGroup toolbarGroup = (AbstractToolbarGroup) component;
List<UIComponent> renderedChildren = toolbarGroup.getRenderedChildren();
if (renderedChildren.size() <= 0) {
return;
}
ResponseWriter writer = facesContext.getResponseWriter();
renderChild(facesContext, toolbarGroup, writer, renderedChildren.get(0));
for (int i = 1; i < renderedChildren.size(); i++) {
insertSeparatorIfNeed(facesContext, toolbarGroup, writer);
renderChild(facesContext, toolbarGroup, writer, renderedChildren.get(i));
}
}
private void renderChild(FacesContext facesContext, AbstractToolbarGroup toolbarGroup, ResponseWriter writer,
UIComponent child) throws IOException {
writer.startElement(HtmlConstants.TD_ELEM, toolbarGroup);
writer.writeAttribute(HtmlConstants.ID_ATTRIBUTE, encodeClientItemID(child), null);
writeClassValue(toolbarGroup, writer);
writeStyleValue(toolbarGroup, writer);
child.encodeAll(facesContext);
writer.endElement(HtmlConstants.TD_ELEM);
}
/**
* If toolBarGroup has "style" defined than parent toolBar attribute "style" will be ignored. Otherwise toolBarGroup will
* inherit the value of the parent toolBar "style" attribute.
*
* @param toolbarGroup ToolBar Group to render
* @param writer just writer
* @throws IOException if something goes wrong with attribute writing
*/
private void writeStyleValue(AbstractToolbarGroup toolbarGroup, ResponseWriter writer) throws IOException {
String value;
String style = getStringAttribute(toolbarGroup, HtmlConstants.STYLE_ATTRIBUTE);
String toolbarStyle = getStringAttribute(getParentToolBar(toolbarGroup), "itemStyle");
String tooolbarGroupStyle = getStringAttribute(toolbarGroup, "itemStyle");
if (tooolbarGroupStyle != null && !tooolbarGroupStyle.equals("")) {
value = concatStyles(tooolbarGroupStyle, style);
} else {
value = concatStyles(toolbarStyle, style);
}
if (isPropertyRendered(value)) {
writer.writeAttribute(HtmlConstants.STYLE_ATTRIBUTE, value, null);
}
}
/**
* If toolBarGroup has "class" defined than parent toolBar attribute "class" will be ignored. Otherwise toolBarGroup will
* inherit the value of the parent toolBar "class" attribute.
*
* @param toolbarGroup ToolBar Group to render
* @param writer just writer
* @throws IOException if something goes wrong with attribute writing
*/
private void writeClassValue(AbstractToolbarGroup toolbarGroup, ResponseWriter writer) throws IOException {
String styleClass = getStringAttribute(toolbarGroup, HtmlConstants.STYLE_CLASS_ATTR);
String toolbarClass = getStringAttribute(getParentToolBar(toolbarGroup), "itemClass");
String toolbarGroupClass = getStringAttribute(toolbarGroup, "itemClass");
String itemClass = (toolbarGroupClass != null && !toolbarGroupClass.equals("")) ? toolbarGroupClass : toolbarClass;
writer.writeAttribute(HtmlConstants.CLASS_ATTRIBUTE, concatClasses("rf-tb-itm", itemClass, styleClass), null);
}
private String getStringAttribute(UIComponent toolbarGroup, String attribute) {
String value = (String) toolbarGroup.getAttributes().get(attribute);
return null == value ? "" : value;
}
public AbstractToolbar getParentToolBar(UIComponent component) {
return (component instanceof AbstractToolbarGroup) ? ((AbstractToolbarGroup) component).getToolBar() : null;
}
}