DeleteRoomCmd.cs :  » Business-Application » Timetabler » OpenCTT » C# / CSharp Open Source

#region Open Course Timetabler - An application for school and university course timetabling
//
// Author:
//   Ivan urak (mailto:Ivan.Curak@fesb.hr)
//
// Copyright (c) 2007 Ivan urak, Split, Croatia
//
// http://www.openctt.org
//
//This file is part of Open Course Timetabler.
//
//Open Course Timetabler is free software;
//you can redistribute it and/or modify it under the terms of the GNU General Public License
//as published by the Free Software Foundation; either version 2 of the License,
//or (at your option) any later version.
//
//Open Course Timetabler is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
//or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
//You should have received a copy of the GNU General Public License along with
//Open Course Timetabler; if not, write to the Free Software Foundation, Inc., 51 Franklin St,
//Fifth Floor, Boston, MA  02110-1301  USA

#endregion


using System;
using System.Collections;

namespace OpenCTT{
  /// <summary>
  /// Summary description for DeleteRoomCmd.
  /// </summary>
  public class DeleteRoomCmd:AbstractCommand
  {
    private Room _room;
    private ArrayList _undoRedoCoursesList;
        private ArrayList _undoRedoTeachersList;

    public DeleteRoomCmd(Room room)
    {
      _room=room;      
      _undoRedoCoursesList= new ArrayList();
      _undoRedoTeachersList= new ArrayList();
    }

    public override void doit()
    {
      _undoRedoCoursesList.Clear();
      _undoRedoTeachersList.Clear();

      AppForm.CURR_OCTT_DOC.RoomsRootNode.Nodes.Remove(_room);
      AppForm.getAppForm().getRoomsTreeView().SelectedNode=AppForm.CURR_OCTT_DOC.RoomsRootNode;
      AppForm.getAppForm().getRoomsTreeView().SelectedNode.EnsureVisible();
      
      AppForm.getAppForm().getTreeTabControl().SelectedIndex=2;
      
      foreach(EduProgramGroup epg in AppForm.CURR_OCTT_DOC.CoursesRootNode.Nodes) 
      {        
        foreach(EduProgram ep in epg.Nodes)
        {
          foreach(Course course in ep.Nodes)
          {
            if(course.getAllowedRoomsList()!=null)
            {
              if(course.getAllowedRoomsList().Contains(_room))
              {
                course.getAllowedRoomsList().Remove(_room);
                _undoRedoCoursesList.Add(course);
              }
            }
          }
        }
      }

      foreach(Teacher teacher in AppForm.CURR_OCTT_DOC.TeachersRootNode.Nodes) 
      {
        if(teacher.getAllowedRoomsList()!=null)
        {
          if(teacher.getAllowedRoomsList().Contains(_room))
          {
            teacher.getAllowedRoomsList().Remove(_room);
            _undoRedoTeachersList.Add(teacher);
          }
        }
      }




    }

    public override void undo()
    {
      AppForm.CURR_OCTT_DOC.RoomsRootNode.Nodes.Add(_room);
      AppForm.getAppForm().getRoomsTreeView().SelectedNode=_room;
      AppForm.getAppForm().getRoomsTreeView().SelectedNode.EnsureVisible();
      AppForm.CURR_OCTT_DOC.RoomsRootNode.Expand();

      foreach(Course course in _undoRedoCoursesList)
      {
        course.getAllowedRoomsList().Add(_room);
      }

      foreach(Teacher teacher in _undoRedoTeachersList)
      {
        teacher.getAllowedRoomsList().Add(_room);
      }   

      AppForm.getAppForm().getTreeTabControl().SelectedIndex=2;
    }

    public override void redo()
    {
      doit();      
    }
  }
}