/*
* 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.menu;
import java.util.List;
import javax.el.ELContext;
import javax.el.MethodExpression;
import javax.el.MethodNotFoundException;
import javax.faces.component.UIPanel;
import javax.faces.context.FacesContext;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.ActionEvent;
import javax.faces.event.FacesEvent;
import org.primefaces.event.MenuActionEvent;
import org.primefaces.model.menu.MenuModel;
import org.primefaces.model.menu.MenuItem;
public abstract class AbstractMenu extends UIPanel {
public static final String LIST_CLASS = "ui-menu-list ui-helper-reset";
public static final String MENUITEM_CLASS = "ui-menuitem ui-widget ui-corner-all";
public static final String MENUITEM_LINK_CLASS = "ui-menuitem-link ui-corner-all";
public static final String MENUITEM_TEXT_CLASS = "ui-menuitem-text";
public static final String MENUITEM_ICON_CLASS = "ui-menuitem-icon ui-icon";
public static final String TIERED_SUBMENU_CLASS = "ui-widget ui-menuitem ui-corner-all ui-menu-parent";
public static final String TIERED_CHILD_SUBMENU_CLASS = "ui-widget-content ui-menu-list ui-corner-all ui-helper-clearfix ui-menu-child ui-shadow";
public static final String SUBMENU_RIGHT_ICON_CLASS = "ui-icon ui-icon-triangle-1-e";
public static final String SUBMENU_DOWN_ICON_CLASS = "ui-icon ui-icon-triangle-1-s";
public static final String SUBMENU_LINK_CLASS = "ui-menuitem-link ui-submenu-link ui-corner-all";
public static final String SEPARATOR_CLASS = "ui-separator ui-state-default";
public static final String OPTIONS_CLASS = "ui-menuitem ui-menubar-options ui-widget ui-corner-all";
public static final String MOBILE_MENUITEM_LINK_CLASS = "ui-link ui-btn";
protected enum PropertyKeys {
tabindex
}
public String getTabindex() {
return (String) getStateHelper().eval(PropertyKeys.tabindex, "0");
}
public void setTabindex(String tabindex) {
getStateHelper().put(PropertyKeys.tabindex, tabindex);
}
public List getElements() {
MenuModel model = getModel();
if(model != null)
return model.getElements();
else
return getChildren();
}
public int getElementsCount() {
List elements = getElements();
return (elements == null) ? 0 : elements.size();
}
public abstract MenuModel getModel();
public boolean isDynamic() {
return this.getValueExpression("model") != null;
}
@Override
public void broadcast(FacesEvent event) throws AbortProcessingException {
if(event instanceof MenuActionEvent) {
FacesContext facesContext = getFacesContext();
ELContext eLContext = facesContext.getELContext();
MenuActionEvent menuActionEvent = (MenuActionEvent) event;
MenuItem menuItem = menuActionEvent.getMenuItem();
String command = menuItem.getCommand();
if(command != null) {
String actionExpressionString = menuItem.getCommand();
MethodExpression noArgExpr = facesContext.getApplication().getExpressionFactory().
createMethodExpression(eLContext,actionExpressionString,
String.class, new Class[0]);
Object outcome = null;
try {
outcome = noArgExpr.invoke(eLContext, null);
}
catch(MethodNotFoundException methodNotFoundException) {
try {
MethodExpression argExpr = facesContext.getApplication().getExpressionFactory().
createMethodExpression(eLContext, actionExpressionString,
String.class, new Class[]{ActionEvent.class});
outcome = argExpr.invoke(eLContext, new Object[]{event});
}
catch(MethodNotFoundException methodNotFoundException2) {
MethodExpression argExpr = facesContext.getApplication().getExpressionFactory().
createMethodExpression(eLContext, actionExpressionString,
String.class, new Class[]{MenuActionEvent.class});
outcome = argExpr.invoke(eLContext, new Object[]{event});
}
}
finally {
if(outcome != null) {
facesContext.getApplication().getNavigationHandler().handleNavigation(facesContext, actionExpressionString, outcome.toString());
}
}
}
}
else {
super.broadcast(event);
}
}
}