Package org.olat.course.nodes.ta

Source Code of org.olat.course.nodes.ta.ReturnboxController

/**
* 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.course.nodes.ta;

import java.io.File;

import org.olat.core.commons.modules.bc.FolderRunController;
import org.olat.core.commons.modules.bc.vfs.OlatNamedContainerImpl;
import org.olat.core.commons.modules.bc.vfs.OlatRootFolderImpl;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.velocity.VelocityContainer;
import org.olat.core.gui.control.Controller;
import org.olat.core.gui.control.ControllerEventListener;
import org.olat.core.gui.control.DefaultController;
import org.olat.core.gui.control.Event;
import org.olat.core.gui.control.WindowControl;
import org.olat.core.gui.translator.PackageTranslator;
import org.olat.core.gui.translator.Translator;
import org.olat.core.id.Identity;
import org.olat.core.util.Util;
import org.olat.core.util.notifications.ContextualSubscriptionController;
import org.olat.core.util.notifications.SubscriptionContext;
import org.olat.core.util.vfs.callbacks.ReadOnlyCallback;
import org.olat.course.nodes.CourseNode;
import org.olat.course.run.environment.CourseEnvironment;
import org.olat.course.run.userview.UserCourseEnvironment;
import org.olat.modules.ModuleConfiguration;

/**
* Initial Date:  02.09.2004
*
* @author Mike Stock
*
*/

public class ReturnboxController extends DefaultController implements ControllerEventListener {

  private static final String PACKAGE = Util.getPackageName(ReturnboxController.class);
  private static final String VELOCITY_ROOT = Util.getPackageVelocityRoot(PACKAGE);
  public static final String RETURNBOX_DIR_NAME = "returnboxes";
 
  // config
  private Translator translator;
  private VelocityContainer myContent;
  private FolderRunController returnboxFolderRunController;
  private SubscriptionContext subsContext;
  private ContextualSubscriptionController contextualSubscriptionCtr;
 
  protected ReturnboxController(WindowControl wControl) {
    super(wControl);
  }
 
  /**
   * Implements a dropbox.
   * @param ureq
   * @param wControl
   * @param config
   * @param node
   * @param userCourseEnv
   * @param previewMode
   */
  public ReturnboxController(UserRequest ureq, WindowControl wControl, ModuleConfiguration config, CourseNode node, UserCourseEnvironment userCourseEnv, boolean previewMode) {
    super(wControl);
    initReturnbox(ureq, wControl, config, node, userCourseEnv, previewMode);
  }

  protected void initReturnbox(UserRequest ureq, WindowControl wControl, ModuleConfiguration config, CourseNode node, UserCourseEnvironment userCourseEnv, boolean previewMode) {
    translator = new PackageTranslator(PACKAGE, ureq.getLocale());
    myContent = new VelocityContainer("taskVC", VELOCITY_ROOT + "/returnbox.html", translator, this);
    // returnbox display
    OlatRootFolderImpl rootFolder = new OlatRootFolderImpl(getReturnboxPathFor(userCourseEnv.getCourseEnvironment(), node, ureq.getIdentity()) , null);
    OlatNamedContainerImpl namedContainer = new OlatNamedContainerImpl(ureq.getIdentity().getName(), rootFolder);
    namedContainer.setLocalSecurityCallback(new ReadOnlyCallback());
    returnboxFolderRunController = new FolderRunController(namedContainer, false, ureq, wControl);
    returnboxFolderRunController.addControllerListener(this);
    myContent.put("returnbox", returnboxFolderRunController.getInitialComponent());
    // notification
    if ( !previewMode && !ureq.getUserSession().getRoles().isGuestOnly()) {
      // offer subscription, but not to guests
      subsContext = ReturnboxFileUploadNotificationHandler.getSubscriptionContext(userCourseEnv, node, ureq.getIdentity());
      if (subsContext != null) {
        contextualSubscriptionCtr = AbstractTaskNotificationHandler.createContextualSubscriptionController(ureq, wControl, getReturnboxPathFor(
            userCourseEnv.getCourseEnvironment(), node,ureq.getIdentity()), subsContext, ReturnboxController.class);
        myContent.put("subscription", contextualSubscriptionCtr.getInitialComponent());
        myContent.contextPut("hasNotification", Boolean.TRUE);
      }
    } else {
      myContent.contextPut("hasNotification", Boolean.FALSE);
    }

    setInitialComponent(myContent);
  }
 
  public String getReturnboxPathFor(CourseEnvironment courseEnv, CourseNode cNode, Identity identity) {
    return getReturnboxPathRelToFolderRoot(courseEnv, cNode) + File.separator + identity.getName();
  }
 
  /**
   * Returnbox path relative to folder root.
   * @param courseEnv
   * @param cNode
   * @return Returnbox path relative to folder root.
   */
  public static String getReturnboxPathRelToFolderRoot(CourseEnvironment courseEnv, CourseNode cNode) {
    return courseEnv.getCourseBaseContainer().getRelPath() + File.separator + RETURNBOX_DIR_NAME + File.separator + cNode.getIdent();
  }
 
 
  /**
   * @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) {
    if (source == myContent) {
      if (event.getCommand().equals("cc")) {
        getWindowControl().pop();
        myContent.setPage(VELOCITY_ROOT + "/dropbox.html");
      }
    }

  }

  /**
   * @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) {
  }
 
 
 
  /**
   *
   * @see org.olat.core.gui.control.DefaultController#doDispose(boolean)
   */
  protected void doDispose() {
  }
}
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