/*
* (C) Copyright 2006-2008 Nuxeo SA (http://nuxeo.com/) and others.
*
* 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.
*
* Contributors:
* bstefanescu
*
* $Id$
*/
package org.nuxeo.ecm.webengine.ui.tree.directory;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.nuxeo.ecm.core.api.DocumentModel;
import org.nuxeo.ecm.core.api.DocumentModelList;
import org.nuxeo.ecm.directory.Directory;
import org.nuxeo.ecm.directory.Session;
import org.nuxeo.ecm.webengine.ui.tree.ContentProvider;
/**
* @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
*/
public class DirectoryContentProvider implements ContentProvider {
private static final Log log = LogFactory.getLog(DirectoryContentProvider.class);
private static final long serialVersionUID = 1L;
protected final Session session;
public DirectoryContentProvider(Session session) {
this.session = session;
}
public Session getSession() {
return session;
}
protected void createQuery(DocumentModel parent, Map<String, Serializable> query) {
String id = parent == null ? null : parent.getId();
query.put("parent", id);
}
public Object[] getElements(Object input) {
if (input instanceof Directory) {
return getChildren(null);
} else { // may be a document
return getChildren(input);
}
}
public Object[] getChildren(Object obj) {
if (obj == null || obj instanceof DocumentModel) {
DocumentModel parent = (DocumentModel) obj;
Map<String, Serializable> args = new HashMap<String, Serializable>();
createQuery(parent, args);
DocumentModelList list = session.query(args);
return list.toArray(new DocumentModel[list.size()]);
}
return null;
}
public boolean isContainer(Object obj) {
if (obj instanceof DocumentModel) {
return ((DocumentModel) obj).isFolder();
}
return false;
}
public String getName(Object obj) {
if (obj instanceof DocumentModel) {
return ((DocumentModel) obj).getId();
}
return null;
}
public String getLabel(Object obj) {
if (obj instanceof DocumentModel) {
return ((DocumentModel) obj).getName();
}
return null;
}
public String[] getFacets(Object object) {
return null;
}
}