TSPCoursesViewDragDropSuccessfullCmd.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.Windows.Forms;
using System.Collections;

namespace OpenCTT{
  /// <summary>
  /// Summary description for TSPCoursesViewDragDropSuccessfullCmd.
  /// </summary>
  public class TSPCoursesViewDragDropSuccessfullCmd:AbstractCommand
  {
    private Course _dragedCourse;
    private TimeSlotPanel _tsp;
    private int _subIndex;

    private TreeNode _selectedNode;
    private int _indexRow;
    private int _indexCol;
    private ArrayList _forUndoRedoList;

    public TSPCoursesViewDragDropSuccessfullCmd(Course dragedCourse, TimeSlotPanel tsp, int subIndex)
    {
      _dragedCourse=dragedCourse;
      _tsp=tsp;
      _subIndex=subIndex;

      _indexRow=_tsp.getIndexRow();
      _indexCol=_tsp.getIndexCol();
      _selectedNode=AppForm.getAppForm().getCoursesTreeView().SelectedNode;
    }

    public override void doit()
    {      
      _forUndoRedoList= new ArrayList();

      EduProgram ep = (EduProgram)_dragedCourse.Parent;
      ArrayList [,] mytt = ep.getTimetable();
      ArrayList lessonsInOneTimeSlot = mytt[_tsp.getIndexRow(),_tsp.getIndexCol()];      
      IEnumerator enumModel=lessonsInOneTimeSlot.GetEnumerator();      
        
      IEnumerator enumGUI =_tsp.getAllSubLabels().GetEnumerator();
      for(int n=0;n<=_subIndex;n++) 
      {
        enumModel.MoveNext();
        enumGUI.MoveNext();
      }

      Object [] courseAndRoomPair=(Object [])enumModel.Current;
      lessonsInOneTimeSlot.Remove(courseAndRoomPair);
      
      _forUndoRedoList.Add(courseAndRoomPair);
      
        
      Label[] oneSubLabel = (Label [])enumGUI.Current;
      Label courseLabel = oneSubLabel[0];
      Label roomLabel = oneSubLabel[1];
      _tsp.getAllSubLabels().Remove(oneSubLabel);

      courseLabel.Parent=null;
      roomLabel.Parent=null;

      _tsp.putLabelsOnThePanel();

      if(_dragedCourse.getCoursesToHoldTogetherList().Count>0)
      {
        foreach(Course courseHT in _dragedCourse.getCoursesToHoldTogetherList())
        {
          EduProgram epHT = (EduProgram)courseHT.Parent;
          ArrayList [,] myttHT=epHT.getTimetable();
          ArrayList lessonsInOneTimeSlotHT=myttHT[_tsp.getIndexRow(),_tsp.getIndexCol()];
          if(lessonsInOneTimeSlotHT!=null)
          {
            Object[] courseAndRoomPairForDel=null;
            foreach(Object[] courseAndRoomPairHT in lessonsInOneTimeSlotHT)
            {                
              Course courseToCheck=(Course)courseAndRoomPairHT[0];
              if(courseToCheck==courseHT)
              {
                courseAndRoomPairForDel=courseAndRoomPairHT;
                break;
              }
            }
            if(courseAndRoomPairForDel!=null)
            {
              lessonsInOneTimeSlotHT.Remove(courseAndRoomPairForDel);
              
              _forUndoRedoList.Add(courseAndRoomPairForDel);
              
            }
          }
        }
      }
    }

    public override void undo()
    {  
      foreach(Object [] oneItem in _forUndoRedoList)
      {
        Course course=(Course)oneItem[0];

        EduProgram thisEP=(EduProgram)course.Parent;
        ArrayList [,] mytt=thisEP.getTimetable();        
        ArrayList lessonsInOneTimeSlot;
        if(mytt[_indexRow,_indexCol]==null) 
        {
          lessonsInOneTimeSlot = new ArrayList();                
        }
        else
        {
          lessonsInOneTimeSlot=mytt[_indexRow,_indexCol];
        }

        lessonsInOneTimeSlot.Add(oneItem);
        mytt[_indexRow,_indexCol]=lessonsInOneTimeSlot;
        
      }
      
    }

    public override void redo()
    {  
      foreach(Object [] oneItem in _forUndoRedoList)
      {
        Course course=(Course)oneItem[0];

        EduProgram thisEP=(EduProgram)course.Parent;
        ArrayList [,] mytt=thisEP.getTimetable();      
        ArrayList lessonsInOneTimeSlot=mytt[_indexRow,_indexCol];
        lessonsInOneTimeSlot.Remove(oneItem);
        mytt[_indexRow,_indexCol]=lessonsInOneTimeSlot;
        
      }
    
      if(AppForm.getAppForm().getTreeTabControl().SelectedIndex!=0)
      {
        AppForm.getAppForm().getTreeTabControl().SelectedIndexChanged -=new System.EventHandler(AppForm.getAppForm().treeTabControl_SelectedIndexChanged);
        AppForm.getAppForm().getTreeTabControl().SelectedIndex=0;
        AppForm.getAppForm().getTreeTabControl().SelectedIndexChanged +=new System.EventHandler(AppForm.getAppForm().treeTabControl_SelectedIndexChanged);
      }
      
      AppForm.getAppForm().getCoursesTreeView().AfterSelect -= new System.Windows.Forms.TreeViewEventHandler(AppForm.getAppForm().coursesTreeView_AfterSelect);
      AppForm.getAppForm().getCoursesTreeView().SelectedNode=_selectedNode;
      AppForm.getAppForm().getCoursesTreeView().AfterSelect += new System.Windows.Forms.TreeViewEventHandler(AppForm.getAppForm().coursesTreeView_AfterSelect);

      AppForm.getAppForm().ctvRefreshTimetablePanel(_selectedNode,false,true);
    }
  }
}