/*public Timetable ShallowCopy()
* {
* Timetable t = new Timetable();
* t.SubjectList.AddRange(this.SubjectList);
* t.TypeList.AddRange(this.TypeList);
* t.StreamList.AddRange(this.StreamList);
* t.ClassList.AddRange(this.ClassList);
* }*/
// construct a new timetable object with enough information to render a preview
public Timetable PreviewSolution(Solver.Solution solution)
{
Timetable t = new Timetable();
for (int i = 0; i < StreamList.Count; i++)
{
Stream stream = new Stream(StreamList[i]);
if (solution.Streams.Contains(StreamList[i]))
{
stream.Selected = true;
}
t.StreamList.Add(stream);
stream.Classes.Clear();
stream.Incompatible.Clear();
stream.Equivalent.Clear();
for (int j = 0; j < StreamList[i].Classes.Count; j++)
{
Session session = new Session(StreamList[i].Classes[j]);
session.Stream = stream;
stream.Classes.Add(session);
t.ClassList.Add(session);
}
}
t.UnavailableList = this.UnavailableList;
return(t);
}
private void UpdatePreview()
{
// nothing selected
if (lvbSolutions.SelectedIndices.Count == 0 || lvbSolutions.SelectedIndices[0] == -1)
{
timetableControl.Timetable = null;
return;
}
Solver.Solution solution = (Solver.Solution)lvbSolutions.SelectedItems[0].Tag;
timetableControl.Timetable = Solver_.Timetable.PreviewSolution(solution);
}
private void btnUse_Click(object sender, EventArgs e)
{
// nothing selected
if (lvbSolutions.SelectedIndices.Count <= 0 || lvbSolutions.SelectedIndices[0] == -1)
{
return;
}
// set the currently selected solution
Solver.Solution solution = (Solver.Solution)lvbSolutions.SelectedItems[0].Tag;
Solver_.Timetable.LoadSolution(solution);
this.DialogResult = DialogResult.OK;
this.Close();
}
public bool LoadSolution(Solver.Solution solution)
{
bool result = true;
foreach (Stream stream in solution.Streams)
{
// attempt to add it, return false if failed
if (!SelectStream(stream))
{
result = false;
}
}
Update();
return(result);
}
private void btnStar_Click(object sender, EventArgs e)
{
// nothing selected
if (lvbSolutions.SelectedIndices.Count == 0 || lvbSolutions.SelectedIndices[0] == -1)
{
return;
}
// get the selected item
ListViewItem item = lvbSolutions.SelectedItems[0];
// if we're only viewing starred
if (chkOnlyStarred.Checked)
{
// get the solution
Solver.Solution solution = (Solver.Solution)item.Tag;
// remove the item from the list
lvbSolutions.Items.RemoveAt(lvbSolutions.SelectedIndices[0]);
// search for the item in the backup list and destar it
for (int i = 0; i < FullListBackup_.Length; i++)
{
if ((Solver.Solution)FullListBackup_[i].Tag == solution)
{
FullListBackup_[i].ImageIndex = -1;
FullListBackup_[i].BackColor = OriginalColors_[i];
break;
}
}
}
// if it is starred already
if (item.BackColor == StarColor_)
{
lvbSolutions.SelectedItems[0].ImageIndex = -1;
lvbSolutions.SelectedItems[0].BackColor = OriginalColors_[lvbSolutions.SelectedIndices[0]];
// set button text
SetStarButton(false);
}
else
{
item.ImageIndex = 0;
item.BackColor = StarColor_;
// set button text
SetStarButton(true);
}
// reselect list view box
lvbSolutions.Select();
}
/// <summary>
/// Update preview and information for a new selected solution
/// </summary>
private void lvbSolutions_SelectedIndexChanged(object sender, EventArgs e)
{
// update preview panel
UpdatePreview();
// clear streams box
textBox1.Clear();
// clear properties box
lvbProperties.Items.Clear();
// if nothing is selected, return
if (lvbSolutions.SelectedIndices.Count == 0 || lvbSolutions.SelectedIndices[0] == -1)
{
btnStar.Enabled = false;
btnUse.Enabled = false;
SetStarButton(false);
return;
}
btnStar.Enabled = true;
btnUse.Enabled = true;
// set star button text accordingly
if (lvbSolutions.SelectedItems[0].BackColor == StarColor_)
{
SetStarButton(true);
}
else
{
SetStarButton(false);
}
// set the currently selected solution
Solver.Solution solution = (Solver.Solution)lvbSolutions.SelectedItems[0].Tag;
// a list of lists of streams selected for each subject
List <List <Stream> > groupedStreams = new List <List <Stream> >();
// an ordered list of subjects
List <Subject> orderedSubjects = new List <Subject>();
// fill the lists
foreach (Subject subject in Solver_.Timetable.SubjectList)
{
groupedStreams.Add(new List <Stream>());
orderedSubjects.Add(subject);
}
// sort the subjects
orderedSubjects.Sort();
//orderedSubjects.Sort(new IndexComparer(m_Timetable.SubjectList));
// fill the grouped streams list
foreach (Stream stream in solution.Streams)
{
groupedStreams[orderedSubjects.IndexOf(stream.Type.Subject)].Add(stream);
}
// sort each sublist and fill up the streams text box
for (int i = 0; i < groupedStreams.Count; i++)
{
// sort the sublist
groupedStreams[i].Sort();
// first get the name of the subject
textBox1.Text += orderedSubjects[i].Name + ":\r\n ";
// for each stream in the subject sublist
for (int j = 0; j < groupedStreams[i].Count; j++)
{
// print the stream
textBox1.Text += groupedStreams[i][j].ToString();
if (j != groupedStreams[i].Count - 1)
{
textBox1.Text += ", ";
}
}
if (i != groupedStreams.Count - 1)
{
textBox1.Text += "\r\n";
}
}
// properties list - for each property (field)
for (int i = 0; i < Solver.Fields.Length; i++)
{
ListViewItem item = new ListViewItem(new string[] {
// with the name of the field
Solver.Fields[i].Name,
// and the selected solution's value
solution.FieldValueToString((Solver.FieldIndex)i)
});
lvbProperties.Items.Add(item);
}
}
private void RebuildList()
{
// clear the outputs
// TODO: clean up at all?
lvbSolutions.Items.Clear();
UpdatePreview();
textBox1.Clear();
lvbProperties.Items.Clear();
lvbSolutions.Columns.Clear();
OriginalColors_ = new Color[Solver_.Solutions.Count];
int i;
// create a dummy column - first column must be left-aligned
ColumnHeader dummy = new ColumnHeader();
dummy.Text = "";
dummy.Width = 24;
lvbSolutions.Columns.Add(dummy);
// redo all the columns
for (i = 0; i < Solver_.Comparer.Criteria.Count; i++)
{
ColumnHeader columnHeader = new ColumnHeader();
columnHeader.Text = Solver_.Comparer.Criteria[i].Field.Name;
columnHeader.TextAlign = HorizontalAlignment.Right;
columnHeader.Width = 100;
lvbSolutions.Columns.Add(columnHeader);
}
// rebuild the list of solutions
Solver.Solution prevSolution = null;
Color prevColor = SolutionColor1_;
i = 0;
foreach (Solver.Solution solution in Solver_.Solutions)
{
// make a list of data for each entry
string[] data = new string[Solver_.Comparer.Criteria.Count + 1];
data[0] = "";
// for each field we're using
for (int j = 0; j < Solver_.Comparer.Criteria.Count; j++)
{
// get a string representing the value for that criteria in the solution
data[j + 1] = solution.FieldValueToString(Solver_.Comparer.Criteria[j].FieldIndex);
}
// create the item
ListViewItem item = new ListViewItem(data);
item.Tag = solution;
item.ImageIndex = -1;
// make the first result white
if (prevSolution == null)
{
prevColor = SolutionColor1_;
}
// else if the following solution is different (by the current criteria)
else if (!(solution.CompareTo(prevSolution, Solver_.Comparer) == 0))
{
// switch colours
if (prevColor == SolutionColor1_)
{
prevColor = SolutionColor2_;
}
else
{
prevColor = SolutionColor1_;
}
}
item.BackColor = prevColor;
OriginalColors_[i++] = item.BackColor;
// add the item to the list
lvbSolutions.Items.Add(item);
prevSolution = solution;
}
}