/* 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.activiti.explorer.ui.management.identity;
import org.activiti.explorer.ExplorerApp;
import org.activiti.explorer.data.LazyLoadingContainer;
import org.activiti.explorer.data.LazyLoadingQuery;
import org.activiti.explorer.navigation.GroupNavigator;
import org.activiti.explorer.navigation.UriFragment;
import org.activiti.explorer.ui.Images;
import org.activiti.explorer.ui.management.ManagementPage;
import org.activiti.explorer.ui.util.ThemeImageColumnGenerator;
import com.vaadin.data.Item;
import com.vaadin.data.Property;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.ui.Table;
/**
* Page for managing groups.
*
* @author Joram Barrez
*/
public class GroupPage extends ManagementPage {
private static final long serialVersionUID = 1L;
protected String groupId;
protected Table groupTable;
protected LazyLoadingQuery groupListQuery;
protected LazyLoadingContainer groupListContainer;
public GroupPage() {
ExplorerApp.get().setCurrentUriFragment(
new UriFragment(GroupNavigator.GROUP_URI_PART));
}
public GroupPage(String groupId) {
this.groupId = groupId;
}
@Override
protected void initUi() {
super.initUi();
if (groupId == null) {
selectElement(0);
} else {
selectElement(groupListContainer.getIndexForObjectId(groupId));
}
}
protected Table createList() {
groupTable = new Table();
groupTable.setEditable(false);
groupTable.setImmediate(true);
groupTable.setSelectable(true);
groupTable.setNullSelectionAllowed(false);
groupTable.setSortDisabled(true);
groupTable.setSizeFull();
groupListQuery = new GroupListQuery();
groupListContainer = new LazyLoadingContainer(groupListQuery, 30);
groupTable.setContainerDataSource(groupListContainer);
// Column headers
groupTable.addGeneratedColumn("icon", new ThemeImageColumnGenerator(Images.GROUP_22));
groupTable.setColumnWidth("icon", 22);
groupTable.addContainerProperty("name", String.class, null);
groupTable.setColumnHeaderMode(Table.COLUMN_HEADER_MODE_HIDDEN);
// Listener to change right panel when clicked on a user
groupTable.addListener(new Property.ValueChangeListener() {
private static final long serialVersionUID = 1L;
public void valueChange(ValueChangeEvent event) {
Item item = groupTable.getItem(event.getProperty().getValue()); // the value of the property is the itemId of the table entry
if(item != null) {
String groupId = (String) item.getItemProperty("id").getValue();
setDetailComponent(new GroupDetailPanel(GroupPage.this, groupId));
// Update URL
ExplorerApp.get().setCurrentUriFragment(
new UriFragment(GroupNavigator.GROUP_URI_PART, groupId));
} else {
// Nothing is selected
setDetailComponent(null);
ExplorerApp.get().setCurrentUriFragment(new UriFragment(GroupNavigator.GROUP_URI_PART, groupId));
}
}
});
return groupTable;
}
public void notifyGroupChanged(String groupId) {
// Clear cache
groupTable.removeAllItems();
groupListContainer.removeAllItems();
// select changed group
groupTable.select(groupListContainer.getIndexForObjectId(groupId));
}
}