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The advanced component library for ICEfaces.
/*
* Original Code Copyright Prime Technology.
* Subsequent Code Modifications Copyright 2011-2012 ICEsoft Technologies Canada Corp. (c)
*
* 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.
*
* NOTE THIS CODE HAS BEEN MODIFIED FROM ORIGINAL FORM
*
* Subsequent Code Modifications have been made and contributed by ICEsoft Technologies Canada Corp. (c).
*
* Code Modification 1: Integrated with ICEfaces Advanced Component Environment.
* Contributors: ICEsoft Technologies Canada Corp. (c)
*
* Code Modification 2: (ICE-6978) Used JSONBuilder to add the functionality of escaping JS output.
* Contributors: ICEsoft Technologies Canada Corp. (c)
* Contributors: ______________________
*/
package org.icefaces.ace.component.menu;
import java.io.IOException;
import java.util.Iterator;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.icefaces.ace.component.menuitem.MenuItem;
import org.icefaces.ace.component.submenu.Submenu;
import org.icefaces.ace.component.menuseparator.MenuSeparator;
import org.icefaces.ace.util.JSONBuilder;
import org.icefaces.ace.util.Utils;
import org.icefaces.render.MandatoryResourceComponent;
@MandatoryResourceComponent(tagName="menu", value="org.icefaces.ace.component.menu.Menu")
public class MenuRenderer extends BaseMenuRenderer {
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
AbstractMenu menu = (AbstractMenu) component;
if(menu.shouldBuildFromModel()) {
menu.buildMenuFromModel();
}
encodeMarkup(context, menu);
}
protected void encodeScript(FacesContext context, AbstractMenu abstractMenu) throws IOException {
ResponseWriter writer = context.getResponseWriter();
Menu menu = (Menu) abstractMenu;
String clientId = menu.getClientId(context);
String widgetVar = this.resolveWidgetVar(menu);
String position = menu.getPosition();
String type = menu.getType();
writer.startElement("script", null);
writer.writeAttribute("type", "text/javascript", null);
JSONBuilder json = JSONBuilder.create();
writer.write(widgetVar + " = new ");
json.beginFunction("ice.ace.Menu").
item(clientId).
beginMap().
entry("position", menu.getPosition()).
entry("zindex", menu.getZindex()).
//animation
beginMap("animation").
entry("animated", menu.getEffect()).
entry("duration", menu.getEffectDuration()).
endMap();
if(type.equalsIgnoreCase("sliding")) {
json.entry("mode", "sliding").
entry("backLinkText", menu.getBackLabel()).
entry("maxHeight", menu.getMaxHeight());
}
if(position.equalsIgnoreCase("dynamic")) {
json.entry("my", menu.getMy()).
entry("at", menu.getAt());
UIComponent trigger = menu.findComponent(menu.getTrigger());
if(trigger != null) {
json.entry("trigger", trigger.getClientId(context)).
entry("triggerEvent", menu.getTriggerEvent());
}
else {
json.entry("trigger", menu.getTrigger());
}
}
json.entryNonNullValue("styleClass", menu.getStyleClass()).
entryNonNullValue("style", menu.getStyle()).
endMap().
endFunction();
writer.write(json.toString());
writer.endElement("script");
}
protected void encodeMarkup(FacesContext context, AbstractMenu abstractMenu) throws IOException {
ResponseWriter writer = context.getResponseWriter();
Menu menu = (Menu) abstractMenu;
String clientId = menu.getClientId(context);
boolean tiered = menu.isTiered() || !menu.getType().equalsIgnoreCase("plain");
writer.startElement("span", menu);
writer.writeAttribute("id", clientId, "id");
writer.startElement("ul", null);
if(tiered) {
encodeTieredMenuContent(context, menu);
}
else {
encodePlainMenuContent(context, menu, false);
}
writer.endElement("ul");
encodeScript(context, menu);
writer.endElement("span");
}
protected void encodeTieredMenuContent(FacesContext context, UIComponent component) throws IOException {
ResponseWriter writer = context.getResponseWriter();
for(Iterator iterator = component.getChildren().iterator(); iterator.hasNext();) {
UIComponent child = (UIComponent) iterator.next();
if(child.isRendered()) {
writer.startElement("li", null);
if(child instanceof MenuItem) {
encodeMenuItem(context, (MenuItem) child);
} else if(child instanceof MenuSeparator) {
// we just need
} else if(child instanceof Submenu) {
encodeTieredSubmenu(context, (Submenu) child);
}
writer.endElement("li");
}
}
}
protected void encodeTieredSubmenu(FacesContext context, Submenu submenu) throws IOException{
ResponseWriter writer = context.getResponseWriter();
String icon = submenu.getIcon();
String label = submenu.getLabel();
boolean disabled = submenu.isDisabled();
//title
writer.startElement("a", null);
if (disabled) {
writer.writeAttribute("class", "ui-state-disabled", null);
} else {
writer.writeAttribute("href", "#", null);
}
if(icon != null) {
writer.startElement("span", null);
writer.writeAttribute("class", icon + " wijmo-wijmenu-icon-left", null);
writer.endElement("span");
}
if(label != null) {
writer.startElement("span", null);
String style = submenu.getStyle();
if (style != null && style.trim().length() > 0) {
writer.writeAttribute("style", style, "style");
}
Utils.writeConcatenatedStyleClasses(writer, "wijmo-wijmenu-text", submenu.getStyleClass());
writer.write(submenu.getLabel());
writer.endElement("span");
}
writer.endElement("a");
//submenus and menuitems
if(submenu.getChildCount() > 0 && !disabled) {
writer.startElement("ul", null);
encodeTieredMenuContent(context, submenu);
writer.endElement("ul");
}
}
protected void encodePlainMenuContent(FacesContext context, UIComponent component, boolean disableChildren) throws IOException{
ResponseWriter writer = context.getResponseWriter();
for(Iterator iterator = component.getChildren().iterator(); iterator.hasNext();) {
UIComponent child = (UIComponent) iterator.next();
if(child.isRendered()) {
if(child instanceof MenuItem) {
writer.startElement("li", null);
encodeMenuItem(context, (MenuItem) child, disableChildren);
writer.endElement("li");
} else if(child instanceof MenuSeparator) {
encodeMenuSeparator(context);
} else if(child instanceof Submenu) {
encodePlainSubmenu(context, (Submenu) child, disableChildren);
}
}
}
}
protected void encodePlainSubmenu(FacesContext context, Submenu submenu, boolean disableChildren) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String label = submenu.getLabel();
boolean disabled = submenu.isDisabled();
//title
writer.startElement("li", null);
writer.startElement("h3", null);
if(label != null) {
if (disabled || disableChildren) {
writer.writeAttribute("class", "ui-state-disabled", null);
} else {
String style = submenu.getStyle();
if (style != null && style.trim().length() > 0) {
writer.writeAttribute("style", style, "style");
}
Utils.writeConcatenatedStyleClasses(writer, "", submenu.getStyleClass());
}
writer.write(label);
}
writer.endElement("h3");
writer.endElement("li");
encodePlainMenuContent(context, submenu, disabled || disableChildren);
}
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