public Solver.Criteria ShowDialog(Solver.Criteria criteria)
{
if (criteria == null)
{
Criteria_ = null;
Text = "Add Criteria";
btnRevert.Enabled = false;
}
else
{
Criteria_ = criteria.DeepCopy();
Text = "Edit Criteria";
btnRevert.Enabled = true;
}
LoadFromCriteria();
DialogResult result = base.ShowDialog();
if (result == DialogResult.OK)
{
return(Criteria_);
}
return(null);
}
private void listBoxCriteria_DrawItem(object sender, DrawItemEventArgs e)
{
e.DrawBackground();
if (listBoxCriteria.Items.Count == 0)
{
return;
}
Graphics g = e.Graphics;
Solver.Criteria criteria = (Solver.Criteria)listBoxCriteria.Items[e.Index];
const int margin = 2;
Rectangle r = new Rectangle(e.Bounds.X + margin, e.Bounds.Y + margin, e.Bounds.Width - 2 * margin, e.Bounds.Height - 2 * margin);
Font font;
Rectangle q;
StringFormat format = new StringFormat();
format.Alignment = StringAlignment.Near;
format.LineAlignment = StringAlignment.Near;
/*const int numTop = 2;
* font = new Font("Microsoft Sans Serif", 8.25f, FontStyle.Regular);
* q = new Rectangle(r.X, r.Y + numTop, r.Width, r.Height - numTop);
* g.DrawString((e.Index + 1).ToString() + ".", font, Brushes.Black, q, format);*/
// heading: name
const int nameLeft = 5, nameTop = 5;
font = new Font("Microsoft Sans Serif", 11f, FontStyle.Bold);
q = new Rectangle(r.X + nameLeft, r.Y + nameTop, r.Width - nameLeft, r.Height - nameTop);
g.DrawString(criteria.Field.ToString(), font, Brushes.Black, q, format);
// subheading: preference
const int prefLeft = 20, prefTop = 25;
font = new Font("Microsoft Sans Serif", 8.25f, FontStyle.Regular);
q = new Rectangle(r.X + prefLeft, r.Y + prefTop, r.Width - prefLeft, r.Height - prefTop);
string text = "Preference: " + Solver.Criteria.FieldSpecificPreference(criteria);
g.DrawString(text, font, Brushes.Black, q, format);
// top right corner: criteria number
const int numRight = 3, numTop = 3;
format.Alignment = StringAlignment.Far;
font = new Font("Microsoft Sans Serif", 8.25f, FontStyle.Regular);
q = new Rectangle(r.X, r.Y + numTop, r.Width - numRight, r.Height - numTop);
g.DrawString((e.Index + 1).ToString(), font, Brushes.Black, q, format);
g.DrawRectangle(Pens.Black, r);
}
private void listBoxCriteria_DragDrop(object sender, DragEventArgs e)
{
if (!e.Data.GetDataPresent(typeof(Solver.Criteria)))
{
return;
}
Point location = listBoxCriteria.PointToClient(new Point(e.X, e.Y));
DragTarget_ = listBoxCriteria.IndexFromPoint(location);
DragCriteria_ = (Solver.Criteria)e.Data.GetData(typeof(Solver.Criteria));
}
private void listBoxCriteria_MouseDown(object sender, MouseEventArgs e)
{
int index = listBoxCriteria.IndexFromPoint(e.Location);
if (index == -1)
{
listBoxCriteria.SelectedIndex = -1;
return;
}
if (e.Clicks == 2 && e.Button == MouseButtons.Left)
{
EditCriteria();
return;
}
Solver.Criteria criteria = (Solver.Criteria)listBoxCriteria.Items[index];
DragTarget_ = -1;
DragCriteria_ = null;
// drag drop failed
if (listBoxCriteria.DoDragDrop(criteria, DragDropEffects.Move) != DragDropEffects.Move)
{
return;
}
// some sort of conflict
if (DragTarget_ == -1 || DragCriteria_ != criteria)
{
return;
}
// moving back to same position
if (DragTarget_ == index)
{
return;
}
if (DragTarget_ > index)
{
listBoxCriteria.Items.Insert(DragTarget_ + 1, criteria);
listBoxCriteria.Items.RemoveAt(index);
}
else
{
listBoxCriteria.Items.RemoveAt(index);
listBoxCriteria.Items.Insert(DragTarget_, criteria);
}
listBoxCriteria.SelectedIndex = DragTarget_;
// not preset anymore
ddPresets.SelectedIndex = -1;
}
private void AddCriteria()
{
FormCriteriaDetails formDetails = new FormCriteriaDetails();
Solver.Criteria criteria = formDetails.ShowDialog(null);
if (criteria == null)
{
return;
}
int index = listBoxCriteria.SelectedIndex;
if (index == -1)
{
index = listBoxCriteria.Items.Count;
}
listBoxCriteria.Items.Insert(index, criteria);
ddPresets.SelectedIndex = -1;
}
private void btnOK_Click(object sender, EventArgs e)
{
if (ddField.SelectedIndex == -1)
{
MessageBox.Show("Please select a criteria.", "Criteria Details", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
ddField.Focus();
return;
}
if (ddPreference.SelectedIndex == -1)
{
MessageBox.Show("Please select a preference.", "Criteria Details", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
ddPreference.Focus();
return;
}
Criteria_ = new Solver.Criteria(
(Solver.FieldIndex)ddField.SelectedIndex,
(Solver.Preference)ddPreference.SelectedIndex);
DialogResult = DialogResult.OK;
Close();
}
public Solver.Criteria ShowDialog(Solver.Criteria criteria)
{
if (criteria == null)
{
Criteria_ = null;
Text = "Add Criteria";
btnRevert.Enabled = false;
}
else
{
Criteria_ = criteria.DeepCopy();
Text = "Edit Criteria";
btnRevert.Enabled = true;
}
LoadFromCriteria();
DialogResult result = base.ShowDialog();
if (result == DialogResult.OK)
return Criteria_;
return null;
}
private void EditCriteria()
{
int index = listBoxCriteria.SelectedIndex;
if (index == -1)
{
return;
}
Solver.Criteria criteria = (Solver.Criteria)listBoxCriteria.SelectedItem;
FormCriteriaDetails formDetails = new FormCriteriaDetails();
criteria = formDetails.ShowDialog(criteria);
if (criteria == null)
{
return;
}
listBoxCriteria.Items.RemoveAt(index);
listBoxCriteria.Items.Insert(index, criteria);
listBoxCriteria.SelectedIndex = index;
ddPresets.SelectedIndex = -1;
}
private void listBoxCriteria_DragDrop(object sender, DragEventArgs e)
{
if (!e.Data.GetDataPresent(typeof(Solver.Criteria)))
return;
Point location = listBoxCriteria.PointToClient(new Point(e.X, e.Y));
DragTarget_ = listBoxCriteria.IndexFromPoint(location);
DragCriteria_ = (Solver.Criteria)e.Data.GetData(typeof(Solver.Criteria));
}
private void listBoxCriteria_MouseDown(object sender, MouseEventArgs e)
{
int index = listBoxCriteria.IndexFromPoint(e.Location);
if (index == -1)
{
listBoxCriteria.SelectedIndex = -1;
return;
}
if (e.Clicks == 2 && e.Button == MouseButtons.Left)
{
EditCriteria();
return;
}
Solver.Criteria criteria = (Solver.Criteria)listBoxCriteria.Items[index];
DragTarget_ = -1;
DragCriteria_ = null;
// drag drop failed
if (listBoxCriteria.DoDragDrop(criteria, DragDropEffects.Move) != DragDropEffects.Move)
return;
// some sort of conflict
if (DragTarget_ == -1 || DragCriteria_ != criteria)
return;
// moving back to same position
if (DragTarget_ == index)
return;
if (DragTarget_ > index)
{
listBoxCriteria.Items.Insert(DragTarget_ + 1, criteria);
listBoxCriteria.Items.RemoveAt(index);
}
else
{
listBoxCriteria.Items.RemoveAt(index);
listBoxCriteria.Items.Insert(DragTarget_, criteria);
}
listBoxCriteria.SelectedIndex = DragTarget_;
// not preset anymore
ddPresets.SelectedIndex = -1;
}
private void btnOK_Click(object sender, EventArgs e)
{
// check if there were any changes
bool changed = false;
if (Solver_.Comparer.Criteria.Count == listBoxCriteria.Items.Count)
{
for (int i = 0; i < Solver_.Comparer.Criteria.Count; i++)
{
Solver.Criteria criteria = Solver_.Comparer.Criteria[i];
Solver.Criteria other = (Solver.Criteria)listBoxCriteria.Items[i];
if (criteria.FieldIndex != other.FieldIndex || criteria.Preference != other.Preference)
{
changed = false;
break;
}
}
}
else
{
changed = true;
}
if (!changed && Solver_.Filters.Count == listBoxFilters.Items.Count)
{
for (int i = 0; i < Solver_.Filters.Count; i++)
{
Solver.Filter filter = Solver_.Filters[i];
Solver.Filter other = (Solver.Filter)listBoxFilters.Items[i];
if (filter.FieldIndex == other.FieldIndex &&
filter.Exclude == other.Exclude &&
filter.Test == other.Test &&
filter.ValueAsInt == other.ValueAsInt)
{
changed = false;
break;
}
}
}
else
{
changed = true;
}
if (!changed)
{
DialogResult = DialogResult.Cancel;
Close();
return;
}
// copy changes across
Solver_.Comparer.Criteria.Clear();
foreach (Solver.Criteria criteria in listBoxCriteria.Items)
{
Solver_.Comparer.Criteria.Add(criteria);
}
Solver_.Filters.Clear();
foreach (Solver.Filter filter in listBoxFilters.Items)
{
Solver_.Filters.Add(filter);
}
DialogResult = DialogResult.OK;
Close();
}
private void btnOK_Click(object sender, EventArgs e)
{
if (ddField.SelectedIndex == -1)
{
MessageBox.Show("Please select a criteria.", "Criteria Details", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
ddField.Focus();
return;
}
if (ddPreference.SelectedIndex == -1)
{
MessageBox.Show("Please select a preference.", "Criteria Details", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
ddPreference.Focus();
return;
}
Criteria_ = new Solver.Criteria(
(Solver.FieldIndex)ddField.SelectedIndex,
(Solver.Preference)ddPreference.SelectedIndex);
DialogResult = DialogResult.OK;
Close();
}