Package org.olat.admin.user.delete

Source Code of org.olat.admin.user.delete.ReadyToDeleteController

/**
* 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) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <p>
*/

package org.olat.admin.user.delete;

import java.util.Iterator;
import java.util.List;

import org.olat.admin.user.UserSearchController;
import org.olat.admin.user.delete.service.UserDeletionManager;
import org.olat.core.commons.persistence.DBFactory;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.panel.Panel;
import org.olat.core.gui.components.table.StaticColumnDescriptor;
import org.olat.core.gui.components.table.Table;
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.components.table.TableMultiSelectEvent;
import org.olat.core.gui.components.velocity.VelocityContainer;
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.modal.DialogBoxController;
import org.olat.core.gui.control.generic.modal.DialogBoxUIFactory;
import org.olat.core.gui.translator.PackageTranslator;
import org.olat.core.gui.translator.Translator;
import org.olat.core.id.Identity;
import org.olat.core.id.Roles;
import org.olat.user.UserManager;


/**
* Controller for 'Ready-to-delete' tab.
*
* @author Christian Guretzki
*/
public class ReadyToDeleteController extends BasicController {

  private static final String ACTION_SINGLESELECT_CHOOSE = "ssc";
  private static final String ACTION_MULTISELECT_CHOOSE = "msc";

  private VelocityContainer myContent;
  private Panel readyToDeletePanel;
  private TableController tableCtr;
  private UserDeleteTableModel tdm;
  private List readyToDeleteIdentities;
  private DialogBoxController deleteConfirmController;
  private boolean isAdministrativeUser;
  private Translator propertyHandlerTranslator;


  /**
   * @param ureq
   * @param wControl
   * @param cancelbutton
   */
  public ReadyToDeleteController(UserRequest ureq, WindowControl wControl) {
    super(ureq, wControl,new PackageTranslator(UserSearchController.class.getPackage().getName(), ureq.getLocale()));
    //  use the PropertyHandlerTranslator  as tableCtr translator
    propertyHandlerTranslator = UserManager.getInstance().getPropertyHandlerTranslator(getTranslator());
   
    myContent = createVelocityContainer("panel");   
    readyToDeletePanel = new Panel("readyToDeletePanel");
    readyToDeletePanel.addListener(this);
    myContent.put("panel", readyToDeletePanel);

    Roles roles = ureq.getUserSession().getRoles();
    isAdministrativeUser = (roles.isAuthor() || roles.isGroupManager() || roles.isUserManager() || roles.isOLATAdmin());   
   
    initializeTableController(ureq);
    initializeContent();
    putInitialPanel(myContent);
  }

  /**
   * @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)
   */
  public void event(UserRequest ureq, Component source, Event event) {
  }

  /**
   * @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)
   */
  public void event(UserRequest ureq, Controller source, Event event) {
    if (source == tableCtr) {
      if (event.getCommand().equals(Table.COMMANDLINK_ROWACTION_CLICKED)) {
        TableEvent te = (TableEvent) event;
        if (te.getActionId().equals(ACTION_SINGLESELECT_CHOOSE)) {
          int rowid = te.getRowId();
          Identity foundIdentity = (Identity) tdm.getObject(rowid);
          UserDeletionManager.getInstance().setIdentityAsActiv(foundIdentity);
          updateUserList();
        }
      } else if (event.getCommand().equals(Table.COMMAND_MULTISELECT)) {
        TableMultiSelectEvent tmse = (TableMultiSelectEvent) event;
        if (tmse.getAction().equals(ACTION_MULTISELECT_CHOOSE)) {
          handleDeleteButtonEvent(ureq, tmse);
        }
      }
    } else if (source == deleteConfirmController) {
      if (DialogBoxUIFactory.isOkEvent(event)) {
        deleteIdentities(readyToDeleteIdentities);
        showInfo("deleted.feedback.msg");
        initializeContent();
      }
    }
  }

  private void handleDeleteButtonEvent(UserRequest ureq, TableMultiSelectEvent tmse) {
    if (tdm.getObjects(tmse.getSelection()).size() != 0) {
      if (!UserDeletionManager.getInstance().isReadyToDelete()) {
        showInfo("info.is.not.ready.to.delete");
        return;
      }
      readyToDeleteIdentities = tdm.getObjects(tmse.getSelection());
      deleteConfirmController = activateOkCancelDialog(ureq, null, translate("readyToDelete.delete.confirm", getUserlistAsString(readyToDeleteIdentities)), deleteConfirmController);
      return;
    } else {
      showWarning("nothing.selected.msg");
    }
  }

  /**
   * Build form a list of identities a string representation.
   * @param readyToDeleteIdentities2
   * @return String with login-name, comma separated
   */
  private String getUserlistAsString(List readyToDeleteIdentities2) {
    StringBuilder strb = new StringBuilder();
    for (Iterator iter = readyToDeleteIdentities2.iterator(); iter.hasNext();) {
       strb.append(((Identity)iter.next()).getName());
       if (iter.hasNext()) {
         strb.append(",");
       }
    }
    return strb.toString();
  }

  private void initializeTableController(UserRequest ureq) {
    TableGuiConfiguration tableConfig = new TableGuiConfiguration();
    tableConfig.setTableEmptyMessage(translate("error.no.user.found"));
    tableConfig.setShowAllLinkEnabled(false);
    //use null as listener argument because we are using listenTo(..) from basiccontroller
    tableCtr = new TableController(tableConfig, ureq, getWindowControl(), this.propertyHandlerTranslator, null);
   
    List l = UserDeletionManager.getInstance().getIdentitiesInDeletionProcess(UserDeletionManager.getInstance().getDeleteEmailDuration());
    tdm = new UserDeleteTableModel(l, ureq.getLocale(), isAdministrativeUser);
    tdm.addColumnDescriptors(tableCtr, null,"table.identity.deleteEmail")
    tableCtr.addColumnDescriptor(new StaticColumnDescriptor(ACTION_SINGLESELECT_CHOOSE, "table.header.action", translate("action.activate")));       
    tableCtr.addMultiSelectAction("action.ready.to.delete", ACTION_MULTISELECT_CHOOSE);   
    tableCtr.setMultiSelect(true);
    tableCtr.setTableDataModel(tdm);
    listenTo(tableCtr);
  }

  private void initializeContent() {
    updateUserList();
    VelocityContainer readyToDeleteContent = createVelocityContainer("readyToDelete");
    readyToDeleteContent.put("readyToDelete", tableCtr.getInitialComponent());
    readyToDeleteContent.contextPut("header", translate("ready.to.delete.header",
        Integer.toString(UserDeletionManager.getInstance().getDeleteEmailDuration()) ));
    readyToDeletePanel.setContent(readyToDeleteContent);
  }

  protected void updateUserList() {
    List l = UserDeletionManager.getInstance().getIdentitiesReadyToDelete(UserDeletionManager.getInstance().getDeleteEmailDuration());   
    tdm.setObjects(l)
    tableCtr.setTableDataModel(tdm);
  }
 
  private void deleteIdentities(List objects) {
    for (Iterator iter = objects.iterator(); iter.hasNext();) {
      UserDeletionManager.getInstance().deleteIdentity( (Identity) iter.next() );
      DBFactory.getInstance().intermediateCommit();
    }
  }

  /**
   * @see org.olat.core.gui.control.DefaultController#doDispose(boolean)
   */
  protected void doDispose() {
    //tableCtr is registered with listenTo and gets disposed in BasicController
  }
 
 
}
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