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org.primefaces.component.megamenu.MegaMenuRenderer Maven / Gradle / Ivy
/*
* Copyright 2009-2014 PrimeTek.
*
* 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.megamenu;
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.primefaces.component.menu.AbstractMenu;
import org.primefaces.component.menu.BaseMenuRenderer;
import org.primefaces.component.menu.Menu;
import org.primefaces.component.separator.UISeparator;
import org.primefaces.model.menu.MenuColumn;
import org.primefaces.model.menu.MenuElement;
import org.primefaces.model.menu.MenuItem;
import org.primefaces.model.menu.Separator;
import org.primefaces.model.menu.Submenu;
import org.primefaces.util.WidgetBuilder;
public class MegaMenuRenderer extends BaseMenuRenderer {
protected void encodeScript(FacesContext context, AbstractMenu abstractMenu) throws IOException{
MegaMenu menu = (MegaMenu) abstractMenu;
String clientId = menu.getClientId(context);
WidgetBuilder wb = getWidgetBuilder(context);
wb.init("MegaMenu", menu.resolveWidgetVar(), clientId)
.attr("autoDisplay", menu.isAutoDisplay())
.attr("activeIndex", menu.getActiveIndex(), Integer.MIN_VALUE);
wb.finish();
}
protected void encodeMarkup(FacesContext context, AbstractMenu abstractMenu) throws IOException {
ResponseWriter writer = context.getResponseWriter();
MegaMenu menu = (MegaMenu) abstractMenu;
boolean vertical = menu.getOrientation().equals("vertical");
String clientId = menu.getClientId(context);
String style = menu.getStyle();
String styleClass = menu.getStyleClass();
styleClass = styleClass == null ? MegaMenu.CONTAINER_CLASS : MegaMenu.CONTAINER_CLASS + " " + styleClass;
if(vertical) {
styleClass = styleClass + " " + MegaMenu.VERTICAL_CLASS;
}
writer.startElement("div", menu);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", styleClass, "styleClass");
if(style != null) {
writer.writeAttribute("style", style, "style");
}
writer.writeAttribute("role", "menubar", null);
writer.startElement("ul", null);
writer.writeAttribute("class", Menu.LIST_CLASS, null);
if(menu.getElementsCount() > 0) {
encodeRootItems(context, menu);
}
UIComponent optionsFacet = menu.getFacet("options");
if(optionsFacet != null) {
writer.startElement("li", null);
writer.writeAttribute("class", Menu.OPTIONS_CLASS, null);
writer.writeAttribute("role", "menuitem", null);
optionsFacet.encodeAll(context);
writer.endElement("li");
}
writer.endElement("ul");
writer.endElement("div");
}
protected void encodeRootItems(FacesContext context, MegaMenu menu) throws IOException {
ResponseWriter writer = context.getResponseWriter();
List elements = (List) menu.getElements();
for(MenuElement element : elements) {
if(element.isRendered()) {
if(element instanceof MenuItem) {
writer.startElement("li", null);
writer.writeAttribute("class", Menu.MENUITEM_CLASS, null);
writer.writeAttribute("role", "menuitem", null);
encodeMenuItem(context, menu, (MenuItem) element);
writer.endElement("li");
}
else if(element instanceof Submenu) {
encodeRootSubmenu(context, menu, (Submenu) element);
}
else if(element instanceof Separator) {
encodeSeparator(context, (Separator) element);
}
}
}
}
protected void encodeRootSubmenu(FacesContext context, MegaMenu menu, Submenu submenu) throws IOException {
ResponseWriter writer = context.getResponseWriter();
boolean vertical = menu.getOrientation().equals("vertical");
String icon = submenu.getIcon();
String label = submenu.getLabel();
String style = submenu.getStyle();
String styleClass = submenu.getStyleClass();
styleClass = styleClass == null ? Menu.TIERED_SUBMENU_CLASS : Menu.TIERED_SUBMENU_CLASS + " " + styleClass;
writer.startElement("li", null);
writer.writeAttribute("class", styleClass, null);
if(style != null) {
writer.writeAttribute("style", style, null);
}
writer.writeAttribute("role", "menuitem", null);
writer.writeAttribute("aria-haspopup", "true", null);
//title
writer.startElement("a", null);
writer.writeAttribute("href", "#", null);
writer.writeAttribute("class", Menu.SUBMENU_LINK_CLASS, null);
if(icon != null) {
writer.startElement("span", null);
writer.writeAttribute("class", Menu.MENUITEM_ICON_CLASS + " " + icon, null);
writer.endElement("span");
}
if(label != null) {
writer.startElement("span", null);
writer.writeAttribute("class", Menu.MENUITEM_TEXT_CLASS, null);
writer.writeText(submenu.getLabel(), "value");
writer.endElement("span");
}
//submenu icon
String submenuIcon = (vertical) ? Menu.SUBMENU_RIGHT_ICON_CLASS : Menu.SUBMENU_DOWN_ICON_CLASS;
writer.startElement("span", null);
writer.writeAttribute("class", submenuIcon, null);
writer.endElement("span");
writer.endElement("a");
//submenus
if(submenu.getElementsCount() > 0) {
List submenuElements = (List) submenu.getElements();
writer.startElement("ul", null);
writer.writeAttribute("class", Menu.TIERED_CHILD_SUBMENU_CLASS, null);
writer.writeAttribute("role", "menu", null);
writer.startElement("table", null);
writer.startElement("tbody", null);
writer.startElement("tr", null);
for(MenuElement submenuElement : submenuElements) {
if(submenuElement.isRendered() && submenuElement instanceof MenuColumn) {
encodeColumn(context, menu, (MenuColumn) submenuElement);
}
}
writer.endElement("tr");
writer.endElement("tbody");
writer.endElement("table");
writer.endElement("ul");
}
writer.endElement("li");
}
protected void encodeColumn(FacesContext context, MegaMenu menu, MenuColumn column) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("td", null);
if(column.getStyle() != null) writer.writeAttribute("style", column.getStyle(), null);
if(column.getStyleClass() != null) writer.writeAttribute("class", column.getStyleClass(), null);
if(column.getElementsCount() > 0) {
List columnElements = column.getElements();
for(Object element : columnElements) {
if(element instanceof MenuElement) {
if(((MenuElement) element).isRendered()) {
if(element instanceof Submenu) {
encodeDescendantSubmenu(context, menu, (Submenu) element);
}
else if(element instanceof Separator) {
encodeSubmenuSeparator(context, (Separator) element);
}
}
}
else if(element instanceof UIComponent) {
((UIComponent) element).encodeAll(context);
}
}
}
writer.endElement("td");
}
protected void encodeDescendantSubmenu(FacesContext context, MegaMenu menu, Submenu submenu) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String label = submenu.getLabel();
String style = submenu.getStyle();
String styleClass = submenu.getStyleClass();
styleClass = styleClass == null ? Menu.SUBMENU_TITLE_CLASS : Menu.SUBMENU_TITLE_CLASS + " " + styleClass;
writer.startElement("ul", null);
writer.writeAttribute("class", Menu.LIST_CLASS, null);
writer.writeAttribute("role", "menu", null);
//title
writer.startElement("li", null);
writer.writeAttribute("class", styleClass, null);
if(style != null) {
writer.writeAttribute("style", style, null);
}
writer.startElement("h3", null);
if(label != null) {
writer.writeText(label, "value");
}
writer.endElement("h3");
writer.endElement("li");
//menuitems
if(submenu.getElementsCount() > 0) {
List submenuElements = (List) submenu.getElements();
for(MenuElement submenuElement : submenuElements) {
if(submenuElement.isRendered()) {
if(submenuElement instanceof MenuItem) {
writer.startElement("li", null);
writer.writeAttribute("class", Menu.MENUITEM_CLASS, null);
writer.writeAttribute("role", "menuitem", null);
encodeMenuItem(context, menu, (MenuItem) submenuElement);
writer.endElement("li");
}
else if(submenuElement instanceof Separator) {
encodeSeparator(context, (Separator) submenuElement);
}
}
}
}
writer.endElement("ul");
}
protected void encodeSubmenuSeparator(FacesContext context, Separator separator) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String styleClass = separator.getStyleClass();
styleClass = styleClass == null ? UISeparator.DEFAULT_STYLE_CLASS : UISeparator.DEFAULT_STYLE_CLASS + " " + styleClass;
writer.startElement("hr", null);
writer.writeAttribute("class", styleClass, "styleClass");
if(separator.getTitle() != null) writer.writeAttribute("title", separator.getTitle(), "title");
if(separator.getStyle() != null) writer.writeAttribute("style", separator.getStyle(), "style");
writer.endElement("hr");
}
}
