/*
* Copyright 2009 Prime Technology.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.primefaces.component.menubar;
import java.io.IOException;
import java.util.Iterator;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.menuitem.MenuItem;
import org.primefaces.component.submenu.Submenu;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.util.ComponentUtils;
public class MenubarRenderer extends CoreRenderer {
public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException{
Menubar menubar = (Menubar) component;
if(menubar.shouldBuildFromModel()) {
menubar.buildMenuFromModel();
}
encodeMarkup(facesContext, menubar);
encodeScript(facesContext, menubar);
}
protected void encodeScript(FacesContext facesContext, Menubar menubar) throws IOException{
ResponseWriter writer = facesContext.getResponseWriter();
String clientId = menubar.getClientId(facesContext);
String menubarVar = createUniqueWidgetVar(facesContext, menubar);
writer.startElement("script", null);
writer.writeAttribute("type", "text/javascript", null);
writer.write(menubarVar + " = new YAHOO.widget.MenuBar('" + clientId + "',{");
writer.write("autosubmenudisplay:" + menubar.isAutoSubmenuDisplay());
if(!menubar.getEffect().equals("NONE")) {
writer.write(",effect: {effect: YAHOO.widget.ContainerEffect." + menubar.getEffect());
if(menubar.getEffectDuration() != 0.25)
writer.write(",duration:" + menubar.getEffectDuration() + "}");
else
writer.write(",duration: 0.25}");
}
if(menubar.getZindex() != Integer.MAX_VALUE) writer.write(",zIndex:" + menubar.getZindex());
writer.write("})\n;");
writer.write(menubarVar + ".render();\n");
writer.endElement("script");
}
protected void encodeMarkup(FacesContext facesContext, Menubar menubar) throws IOException{
ResponseWriter writer = facesContext.getResponseWriter();
String clientId = menubar.getClientId(facesContext);
writer.startElement("div", null);
writer.writeAttribute("id", clientId, null);
writer.writeAttribute("class", "ui-menubar ui-widget ui-widget-content", null);
writer.startElement("div", null);
writer.writeAttribute("class", "bd", null);
writer.startElement("ul", null);
writer.writeAttribute("class", "ui-state-default", null);
for(UIComponent child : menubar.getChildren()) {
Submenu submenu = (Submenu) child;
if(submenu.isRendered()) {
writer.startElement("li", null);
writer.writeAttribute("class", "ui-menubar-item" , null);
encodeSubmenu(facesContext, submenu);
writer.endElement("li");
}
}
writer.endElement("ul");
writer.endElement("div");
writer.endElement("div");
}
protected void encodeSubmenu(FacesContext facesContext, Submenu submenu) throws IOException{
ResponseWriter writer = facesContext.getResponseWriter();
UIComponent labelFacet = submenu.getFacet("label");
String clientId = submenu.getClientId(facesContext);
boolean isMenubarItem = submenu.getParent() instanceof Menubar;
String labelStyleClass = isMenubarItem ? "ui-menubar-item-label" : "ui-menu-item-label";
if(labelFacet == null) {
String href = submenu.getChildCount() > 0 ? "#" + clientId : "#";
writer.startElement("a", null);
if(submenu.getLabelStyle() != null) writer.writeAttribute("style", labelStyleClass, null);
if(submenu.getLabelStyleClass() != null) {
labelStyleClass = labelStyleClass + " " + submenu.getLabelStyleClass();
}
writer.writeAttribute("class", labelStyleClass, null);
writer.writeAttribute("href", href, null);
if(submenu.getLabel() != null) writer.write(submenu.getLabel());
writer.endElement("a");
} else {
encodeMenuItem(facesContext, (MenuItem) labelFacet, labelStyleClass);
}
if(!isMenubarItem) {
writer.startElement("span", null);
writer.writeAttribute("class", "ui-menu-item-submenu-icon ui-icon ui-icon-triangle-1-e", null);
writer.endElement("span");
}
if(submenu.getChildCount() > 0) {
writer.startElement("div", null);
writer.writeAttribute("id", clientId, null);
writer.writeAttribute("class", "ui-menu ui-widget ui-widget-content ui-corner-all", null);
writer.startElement("div", null);
writer.writeAttribute("class", "bd", null);
writer.startElement("ul", null);
encodeSubmenuItems(facesContext, submenu);
writer.endElement("ul");
writer.endElement("div");
writer.endElement("div");
}
}
protected void encodeMenuItem(FacesContext facesContext, MenuItem menuItem, String labelStyleClass) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
if(menuItem.shouldRenderChildren()) {
renderChildren(facesContext, menuItem);
} else {
String clientId = menuItem.getClientId(facesContext);
String icon = menuItem.getIcon() != null ? "background:url(" + getResourceURL(facesContext, menuItem.getIcon()) + ") no-repeat 1%;" : null;
if(menuItem.getStyleClass() != null) {
labelStyleClass = labelStyleClass + " " + menuItem.getStyleClass();
}
writer.startElement("a", null);
writer.writeAttribute("id", clientId, null);
writer.writeAttribute("class", labelStyleClass, null);
if(menuItem.getStyle() != null && icon != null)
writer.writeAttribute("style", icon + menuItem.getStyle(), null);
else if(menuItem.getStyle() == null && icon != null)
writer.writeAttribute("style", icon, null);
else if(menuItem.getStyle() != null && icon == null)
writer.writeAttribute("style", menuItem.getStyle() , null);
if(menuItem.getUrl() != null) {
writer.writeAttribute("href", getResourceURL(facesContext, menuItem.getUrl()), null);
if(menuItem.getOnclick() != null) writer.writeAttribute("onclick", menuItem.getOnclick(), null);
if(menuItem.getTarget() != null) writer.writeAttribute("target", menuItem.getTarget(), null);
} else {
writer.writeAttribute("href", "javascript:void(0)", null);
UIComponent form = ComponentUtils.findParentForm(facesContext, menuItem);
if(form == null) {
throw new FacesException("Menubar must be inside a form element");
}
String formClientId = form.getClientId(facesContext);
String command = menuItem.isAjax() ? buildAjaxRequest(facesContext, menuItem, formClientId, clientId) : buildNonAjaxRequest(facesContext, menuItem, formClientId, clientId);
command = menuItem.getOnclick() == null ? command : menuItem.getOnclick() + ";" + command;
writer.writeAttribute("onclick", command, null);
}
if(menuItem.getValue() != null) writer.write((String) menuItem.getValue());
if(menuItem.getHelpText() != null) {
writer.startElement("em", null);
writer.writeAttribute("class", "helptext", null);
writer.write(menuItem.getHelpText());
writer.endElement("em");
}
writer.endElement("a");
}
}
protected void encodeSubmenuItems(FacesContext facesContext, Submenu submenu) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
for (Iterator<UIComponent> iterator = submenu.getChildren().iterator(); iterator.hasNext();) {
UIComponent child = (UIComponent) iterator.next();
if(child.isRendered()) {
writer.startElement("li", null);
writer.writeAttribute("class", "ui-menu-item ui-corner-all", null);
if(child instanceof MenuItem) {
MenuItem menuItem = (MenuItem) child;
encodeMenuItem(facesContext, menuItem, "ui-menu-item-label ui-corner-all");
} else if(child instanceof Submenu) {
Submenu childSubmenu = (Submenu) child;
encodeSubmenu(facesContext, childSubmenu);
}
writer.endElement("li");
}
}
}
public void encodeChildren(FacesContext facesContext, UIComponent component) throws IOException {
//Do nothing
}
public boolean getRendersChildren() {
return true;
}
}