/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. The ASF licenses this file to You
* 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. For additional information regarding
* copyright in this work, please see the NOTICE file in the top level
* directory of this distribution.
*/
package org.apache.roller.weblogger.ui.rendering.model;
import java.util.Collections;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.roller.weblogger.WebloggerException;
import org.apache.roller.weblogger.business.WebloggerFactory;
import org.apache.roller.weblogger.pojos.GlobalPermission;
import org.apache.roller.weblogger.ui.core.util.menu.Menu;
import org.apache.roller.weblogger.ui.core.util.menu.MenuHelper;
import org.apache.roller.weblogger.ui.rendering.util.WeblogPageRequest;
import org.apache.roller.weblogger.ui.rendering.util.WeblogRequest;
/**
* Model which provides methods for displaying editor menu/navigation-bar.
*
* Implemented by calling hybrid JSP tag.
*/
public class MenuModel implements Model {
private static Log logger = LogFactory.getLog(MenuModel.class);
private WeblogPageRequest pageRequest = null;
/** Template context name to be used for model */
public String getModelName() {
return "menuModel";
}
/** Init page model based on request */
public void init(Map initData) throws WebloggerException {
// we expect the init data to contain a weblogRequest object
WeblogRequest weblogRequest = (WeblogRequest) initData.get("parsedRequest");
if(weblogRequest == null) {
throw new WebloggerException("expected weblogRequest from init data");
}
// MenuModel only works on page requests, so cast weblogRequest
// into a WeblogPageRequest and if it fails then throw exception
if(weblogRequest instanceof WeblogPageRequest) {
this.pageRequest = (WeblogPageRequest) weblogRequest;
} else {
throw new WebloggerException("weblogRequest is not a WeblogPageRequest."+
" MenuModel only supports page requests.");
}
}
/**
* Get a Menu representing the admin UI action menu, if the user is
* currently logged in and is an admin.
*/
public Menu getAdminMenu() {
try {
GlobalPermission adminPerm =
new GlobalPermission(Collections.singletonList(GlobalPermission.ADMIN));
boolean hasAdmin = WebloggerFactory.getWeblogger().getUserManager()
.checkPermission(adminPerm, pageRequest.getUser());
if (pageRequest.isLoggedIn() && hasAdmin) {
return MenuHelper.getMenu("admin", "noAction", pageRequest.getUser(), pageRequest.getWeblog());
}
} catch (WebloggerException ex) {
logger.debug("ERROR: fetching user roles");
}
return null;
}
/**
* Get a Menu representing the author UI action menu, if the use is
* currently logged in.
*/
public Menu getAuthorMenu() {
if(pageRequest.isLoggedIn()) {
return MenuHelper.getMenu("editor", "noAction", pageRequest.getUser(), pageRequest.getWeblog());
}
return null;
}
}