/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS,
* <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) 2008 frentix GmbH, Switzerland<br>
* http://www.frentix.com,
* <p>
*/
package org.olat.catalog.ui;
import java.util.List;
import org.olat.catalog.CatalogEntry;
import org.olat.catalog.CatalogManager;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.table.TableController;
import org.olat.core.gui.components.table.TableEvent;
import org.olat.core.gui.components.table.TableGuiConfiguration;
import org.olat.core.gui.control.Controller;
import org.olat.core.gui.control.Event;
import org.olat.core.gui.control.WindowControl;
import org.olat.core.gui.control.controller.BasicController;
import org.olat.core.gui.control.generic.dtabs.DTabs;
import org.olat.repository.RepositoryEntry;
import org.olat.repository.site.RepositorySite;
/**
* Description:<br>
* This controller displays a list of catalog categories where the given
* OLATResource is attached as a catalog leaf
*
* <P>
* Initial Date: 30.05.2008 <br>
*
* @author gnaegi
*/
public class RepoEntryCategoriesTableController extends BasicController {
private TableController tableCtr;
private RepositoryEntry repoEntry;
/**
* Constructor for a categories table controller for a given repository entry
*
* @param ureq
* @param wControl
* @param repoEntry
* @param canManageRepoEntry true: user has administrative rights for the given repo entry
*/
public RepoEntryCategoriesTableController(UserRequest ureq, WindowControl wControl, RepositoryEntry repoEntry, boolean canManageRepoEntry) {
super(ureq, wControl);
this.repoEntry = repoEntry;
// table configuration: use plain vanilla table - no header etc.
TableGuiConfiguration tableConfig = new TableGuiConfiguration();
tableConfig.setColumnMovingOffered(false);
tableConfig.setCustomCssClass("o_catalog_categories_table");
tableConfig.setDisplayRowCount(false);
tableConfig.setDisplayTableHeader(false);
tableConfig.setDownloadOffered(false);
tableConfig.setMultiSelect(false);
tableConfig.setPageingEnabled(false);
tableConfig.setTableEmptyMessage(translate("repo.nocategories"));
// build categoris list table model
List<CatalogEntry> catalogEntries = CatalogManager.getInstance().getCatalogCategoriesFor(repoEntry);
CategoriesListModel categoriesListModel = new CategoriesListModel(catalogEntries, getLocale());
// create table
tableCtr = new TableController(tableConfig, ureq, getWindowControl(), getTranslator(), null);
listenTo(tableCtr);
// add column descriptors to table
categoriesListModel.addColumnDescriptors(tableCtr, canManageRepoEntry, getTranslator());
// add table model
tableCtr.setTableDataModel(categoriesListModel);
putInitialPanel(tableCtr.getInitialComponent());
}
/**
* @see org.olat.core.gui.control.DefaultController#event(org.olat.core.gui.UserRequest,
* org.olat.core.gui.components.Component,
* org.olat.core.gui.control.Event)
*/
@Override
protected void event(UserRequest ureq, Component source, Event event) {
// no component events to dispatch
}
/**
* @see org.olat.core.gui.control.DefaultController#event(org.olat.core.gui.UserRequest,
* org.olat.core.gui.control.Controller, org.olat.core.gui.control.Event)
*/
protected void event(UserRequest ureq, Controller source, Event event) {
if (source == tableCtr) { // process table actions
TableEvent te = (TableEvent) event;
String action = te.getActionId();
CategoriesListModel categoriesListModel = (CategoriesListModel) tableCtr.getTableDataModel();
CatalogEntry selectedCategoryLevel = categoriesListModel.getCatalogEntry(te.getRowId());
if (action.equals(CategoriesListModel.ACTION_GOTO)) {
// select repo site and activate catalog entry in catalog
DTabs dts = (DTabs) getWindowControl().getWindowBackOffice().getWindow().getAttribute("DTabs");
dts.activateStatic(ureq, RepositorySite.class.getName(), "search.catalog:" + selectedCategoryLevel.getKey());
} else if (action.equals(CategoriesListModel.ACTION_DELETE)) {
// remove selected entry from the data model
CatalogManager cm = CatalogManager.getInstance();
List<CatalogEntry> children = cm.getChildrenOf(selectedCategoryLevel);
// find all child element of this level that reference our repo entry
for (CatalogEntry child : children) {
RepositoryEntry childRepoEntry = child.getRepositoryEntry();
if (childRepoEntry != null && childRepoEntry.equalsByPersistableKey(repoEntry)) {
// remove from catalog
cm.deleteCatalogEntry(child);
}
}
// The catalog entry must have been deleted in the meantime by someone
// else. In this case we just reload the table data model
List<CatalogEntry> catalogEntries = CatalogManager.getInstance().getCatalogCategoriesFor(repoEntry);
categoriesListModel = new CategoriesListModel(catalogEntries, getLocale());
tableCtr.setTableDataModel(categoriesListModel);
}
}
}
/**
* @see org.olat.core.gui.control.DefaultController#doDispose()
*/
@Override
protected void doDispose() {
// table controler auto disposed by basic controller
}
}