/* 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 java.util.ArrayList;
import java.util.List;
import org.activiti.engine.IdentityService;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.identity.User;
import org.activiti.engine.identity.UserQuery;
import org.activiti.explorer.ExplorerApp;
import org.activiti.explorer.data.AbstractLazyLoadingQuery;
import org.activiti.explorer.data.LazyLoadingQuery;
import org.activiti.explorer.ui.Images;
import org.activiti.explorer.ui.mainlayout.ExplorerLayout;
import com.vaadin.data.Item;
import com.vaadin.data.util.ObjectProperty;
import com.vaadin.data.util.PropertysetItem;
import com.vaadin.ui.Button;
import com.vaadin.ui.Embedded;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.themes.Reindeer;
/**
* {@link LazyLoadingQuery} that queries all members of a given group.
* Used in the {@link GroupDetailPanel} to display all group members.
*
* @author Joram Barrez
*/
public class GroupMembersQuery extends AbstractLazyLoadingQuery {
protected transient IdentityService identityService;
protected String groupId;
protected MemberShipChangeListener memberShipChangeListener;
protected String sortby;
protected boolean ascending;
public GroupMembersQuery(String groupId, MemberShipChangeListener memberShipChangeListener) {
this.groupId = groupId;
this.memberShipChangeListener = memberShipChangeListener;
this.identityService = ProcessEngines.getDefaultProcessEngine().getIdentityService();
}
public int size() {
return (int) identityService.createUserQuery().memberOfGroup(groupId).count();
}
public List<Item> loadItems(int start, int count) {
UserQuery query = identityService.createUserQuery().memberOfGroup(groupId);
if (sortby == null || "id".equals(sortby)) {
query.orderByUserId(); // default
} else if ("firstName".equals(sortby)){
query.orderByUserFirstName();
} else if ("lastName".equals(sortby)) {
query.orderByUserLastName();
} else if ("email".equals(sortby)) {
query.orderByUserEmail();
}
if (sortby == null || ascending) {
query.asc();
} else {
query.desc();
}
List<User> users = query.listPage(start, count);
List<Item> items = new ArrayList<Item>();
for (User user : users) {
items.add(new GroupMemberItem(user));
}
return items;
}
public Item loadSingleResult(String id) {
throw new UnsupportedOperationException();
}
public void setSorting(Object[] propertyIds, boolean[] ascending) {
if (propertyIds.length > 0) {
this.sortby = propertyIds[0].toString();
this.ascending = ascending[0];
}
}
class GroupMemberItem extends PropertysetItem {
private static final long serialVersionUID = 1L;
public GroupMemberItem(final User user) {
// id
Button idButton = new Button(user.getId());
idButton.addStyleName(Reindeer.BUTTON_LINK);
idButton.addListener(new ClickListener() {
public void buttonClick(ClickEvent event) {
ExplorerApp.get().getViewManager().showUserPage(user.getId());
}
});
addItemProperty("id", new ObjectProperty<Button>(idButton, Button.class));
// name
if (user.getFirstName() != null) {
addItemProperty("firstName", new ObjectProperty<String>(user.getFirstName(), String.class));
}
if (user.getLastName() != null) {
addItemProperty("lastName", new ObjectProperty<String>(user.getLastName(), String.class));
}
// email
if (user.getEmail() != null) {
addItemProperty("email", new ObjectProperty<String>(user.getEmail(), String.class));
}
// Delete
Embedded deleteIcon = new Embedded(null, Images.DELETE);
deleteIcon.addStyleName(ExplorerLayout.STYLE_CLICKABLE);
deleteIcon.addListener(new DeleteMembershipListener(identityService, user.getId(), groupId, memberShipChangeListener));
addItemProperty("actions", new ObjectProperty<Embedded>(deleteIcon, Embedded.class));
}
}
}