ULLVTeachersDragDropCmd.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 ULLVTeachersDragDropCmd.
  /// </summary>
  public class ULLVTeachersDragDropCmd:AbstractCommand
  {
    ListViewItem _lviDroped;
    ListView _ullv;

    private TreeNode _selectedNode;

    public ULLVTeachersDragDropCmd(ListViewItem lviDroped, ListView ullv)
    {
      _lviDroped=lviDroped;
      _ullv=ullv;

      _selectedNode=AppForm.getAppForm().getTeachersTreeView().SelectedNode;
    }

    public override void doit()
    {
      AppForm.CURR_OCTT_DOC.incrUnallocatedLessonsCounter(1);
      Course course = (Course)_lviDroped.Tag;
      EduProgram eduProg = (EduProgram)course.Parent;
            
      string [] ulsEPSem= new string[3];
      ulsEPSem[0]=course.getFullName();
      string epText="";
      if(eduProg.getCode()!=null)
      {
        epText=eduProg.getCode()+", ";
      }
      epText+=eduProg.getName();
      ulsEPSem[1]=epText;
      ulsEPSem[2]=eduProg.getSemester();            
      ListViewItem newLvi= new ListViewItem(ulsEPSem);      
      newLvi.Tag=course;
      _ullv.Items.Add(newLvi);
      _ullv.EnsureVisible(_ullv.Items.IndexOf(newLvi));
      
      eduProg.getUnallocatedLessonsList().Add(_lviDroped);
      if(course.getCoursesToHoldTogetherList().Count>0)
      {
        foreach(Course courseHT in course.getCoursesToHoldTogetherList())
        {          
          EduProgram epHT = (EduProgram)courseHT.Parent;
        
          ListViewItem lviNew=new ListViewItem();
          lviNew.Tag=courseHT;

          epHT.getUnallocatedLessonsList().Add(lviNew);

          //add in ListView
          string [] ulsEPSemHT= new string[3];
          ulsEPSemHT[0]=courseHT.getFullName();    
          string epTextHT="";
          if(epHT.getCode()!=null)
          {
            epTextHT=epHT.getCode()+", ";
          }
          epTextHT+=epHT.getName();
          ulsEPSemHT[1]=epTextHT;
          ulsEPSemHT[2]=epHT.getSemester();            
          ListViewItem newLviHT= new ListViewItem(ulsEPSemHT);          
          newLviHT.Tag=courseHT;
          _ullv.Items.Add(newLviHT);
        }
      }

      AppForm.getAppForm().getStatusBarPanel2().Text=AppForm.CURR_OCTT_DOC.getNumOfUnallocatedLessonsStatusText();
    }

    public override void undo()
    {
      _ullv.Items.Remove(_lviDroped);
      Course dropedCourse=(Course)_lviDroped.Tag;
      EduProgram ep=(EduProgram)dropedCourse.Parent;

      ep.removeOneLessonFromUnallocatedLessonsModel(dropedCourse);
      AppForm.CURR_OCTT_DOC.decrUnallocatedLessonsCounter(1);
      
      if(dropedCourse.getCoursesToHoldTogetherList().Count>0)
      {
        foreach(Course courseHT in dropedCourse.getCoursesToHoldTogetherList())
        {
          EduProgram epHT=(EduProgram)courseHT.Parent;
          epHT.removeOneLessonFromUnallocatedLessonsModel(courseHT);          
        }
      }      

      AppForm.getAppForm().getStatusBarPanel2().Text=AppForm.CURR_OCTT_DOC.getNumOfUnallocatedLessonsStatusText();

      if(AppForm.getAppForm().getTreeTabControl().SelectedIndex!=1)
      {
        AppForm.getAppForm().getTreeTabControl().SelectedIndexChanged -=new System.EventHandler(AppForm.getAppForm().treeTabControl_SelectedIndexChanged);
        AppForm.getAppForm().getTreeTabControl().SelectedIndex=1;
        AppForm.getAppForm().getTreeTabControl().SelectedIndexChanged +=new System.EventHandler(AppForm.getAppForm().treeTabControl_SelectedIndexChanged);
      }
      
      AppForm.getAppForm().getTeachersTreeView().AfterSelect -= new System.Windows.Forms.TreeViewEventHandler(AppForm.getAppForm().teachersTreeView_AfterSelect);
      AppForm.getAppForm().getTeachersTreeView().SelectedNode=_selectedNode;
      AppForm.getAppForm().getTeachersTreeView().AfterSelect += new System.Windows.Forms.TreeViewEventHandler(AppForm.getAppForm().teachersTreeView_AfterSelect);

      AppForm.getAppForm().ttvRefreshTimetablePanel(_selectedNode,false);
    }

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