UserGroups.java

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/*
 * Project: Server for annotations sharing
 * Author: Ing. Jaroslav Dytrych idytrych@fit.vutbr.cz
 * File: UserGroups.java
 * Description: Backbean for page with administration of user groups
 */

/**
 * @file UserGroups.java
 *
 * @brief Backbean for page with administration of user groups
 */

package cz.vutbr.fit.knot.annotations.web;

import cz.vutbr.fit.knot.annotations.app.AppBean;
import cz.vutbr.fit.knot.annotations.entity.UserGroup;
import java.io.Serializable;
import java.util.List;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.component.html.HtmlDataTable;

/**
 * Backbean for page with administration of user groups
 *
 * @brief Backbean for administration of user groups
 * @author idytrych
 */
@ManagedBean
@SessionScoped
public class UserGroups implements Serializable {
  /**
   * Table with user groups
   */
  private HtmlDataTable listTable;
  /**
   * User group selected in the table
   */
  private UserGroup userGroup;

  /**
   * Constructor
   */
  public UserGroups() {
    this.userGroup = new UserGroup();
  }

  /**
   * Gets user group selected in the table
   *
   * @return Returns user group selected in the table
   */
  public UserGroup getUserGroup() {
    return userGroup;
  }

  /**
   * Sets user group selected in the table
   *
   * @param userGroup
   */
  public void setUserGroup(UserGroup userGroup) {
    this.userGroup = userGroup;
  }

  /**
   * Gets table with user groups
   * 
   * @return Returns table with user groups
   */
  public HtmlDataTable getListTable() {
    return listTable;
  }

  /**
   * Sets table with user groups
   * 
   * @param listTable Table with user groups
   */
  public void setListTable(HtmlDataTable listTable) {
    this.listTable = listTable;
  }

  /**
   * Gets list of all existing user groups
   * 
   * @return Returns list of all existing user groups
   */
  public List<UserGroup> getUserGroupsList() {
    @SuppressWarnings("unchecked")
    List<UserGroup> retList = AppBean.getPersistenceManager().getEntitiesByName("UserGroup");
    
    return retList;
  }

  /**
   * Action listener for edit links in table
   * 
   * @return Returns page outcome to go to editing page
   */
  public String actionEdit() {
    // get selected row from table
    userGroup = (UserGroup) listTable.getRowData();
    // pass selected user group through the session
    SessionManager.getSession().setEditedUG(userGroup);
    SessionManager.getSession().setFormBackup(null);
    return "editUG";
  }

  /**
   * Action listener for delete links in table
   * 
   * @return Returns page outcome to go to deleting page
   */
  public String actionDelete() {
    userGroup = (UserGroup) listTable.getRowData();
    SessionManager.getSession().setEditedUG(userGroup);
    return "deleteUG";
  }
}  // public class UserGroups