UIPortalNavigationPortlet.java

/**
 * Copyright (C) 2009 eXo Platform SAS.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.exoplatform.navigation.webui.component;

import javax.portlet.PortletPreferences;
import javax.portlet.PortletRequest;

import org.exoplatform.portal.mop.navigation.GenericScope;
import org.exoplatform.portal.mop.navigation.Scope;
import org.exoplatform.webui.application.WebuiRequestContext;
import org.exoplatform.webui.application.portlet.PortletRequestContext;
import org.exoplatform.webui.config.annotation.ComponentConfig;
import org.exoplatform.webui.core.UIPortletApplication;
import org.exoplatform.webui.core.lifecycle.UIApplicationLifecycle;

@ComponentConfig(lifecycle = UIApplicationLifecycle.class)
public class UIPortalNavigationPortlet extends UIPortletApplication {
    public static final int DEFAULT_LEVEL = 2;

    public UIPortalNavigationPortlet() throws Exception {
        PortletRequestContext context = (PortletRequestContext) WebuiRequestContext.getCurrentInstance();
        PortletRequest prequest = context.getRequest();
        PortletPreferences prefers = prequest.getPreferences();
        int level = DEFAULT_LEVEL;
        try {
            level = Integer.valueOf(prefers.getValue("level", String.valueOf(DEFAULT_LEVEL)));
        } catch (Exception ex) {
            log.warn("Preference for navigation level can only be integer");
        }

        UISiteManagement siteManagement = addChild(UISiteManagement.class, null, null);
        if (level <= 0) {
            siteManagement.setScope(Scope.ALL);
        } else {
            siteManagement.setScope(GenericScope.treeShape(level));
        }
    }
}