private void Model_New_Name_KeyUp(object sender, KeyEventArgs e)
{
if (e.Key == Key.Return)
{
string name = (sender as TextBox).Text;
Model_New_Popup.IsOpen = false;
DecisionModel dm = new DecisionModel(name);
dm.CreateCriterion("C1", "Color",
new ChoiceScorer(
10,
new[] {
new ChoiceScorer.Selection("Red", 10),
new ChoiceScorer.Selection("Green", 5),
new ChoiceScorer.Selection("Other", 3)
}));
dm.CreateCriterion("C2", "MPG", new RangeScorer(10.0, 40.0));
dm.CreateCriterion("C3", "Warranty Period Years", new RangeScorer(1.0, 5.0));
dm.CreateCriterion("C4", "Price", new RangeScorer(30000.0, 150000.0));
dm.CreateCriterion("C5", "Backup Camera", new BooleanScorer());
dm.CreateCriterion("C6", "Craftsmanship", new DiscreteRangeScorer(1, 10));
dm.CreateCriterion("C7", "Distance to Dealer", new RangeScorer(4.0, 50.0, higherIsBetter: false));
dm.CreateCriterion("C8", "Horsepower", new RangeScorer(200.0, 900.0));
dm.CreateCriterion("C9", "Manufacturer",
new ChoiceScorer(
10, new[] {
new ChoiceScorer.Selection("Porsche", 10),
new ChoiceScorer.Selection("Audi", 8),
new ChoiceScorer.Selection("BMW", 6),
new ChoiceScorer.Selection("Lexus", 4),
new ChoiceScorer.Selection("Nissan", 3),
new ChoiceScorer.Selection("Ford", 2),
new ChoiceScorer.Selection("Other", 0),
}));
dm.CreateCriterionOrdering("C8", CriterionOrdering.OrderingRelation.IsEqualTo, "C7");
dm.CreateCriterionOrdering("C7", CriterionOrdering.OrderingRelation.IsSignificantlyBetterThan, "C6");
dm.CreateCriterionOrdering("C6", CriterionOrdering.OrderingRelation.IsModeratelyBetterThan, "C9");
dm.CreateCriterionOrdering("C9", CriterionOrdering.OrderingRelation.IsSlightlyBetterThan, "C5");
dm.CreateCriterionOrdering("C5", CriterionOrdering.OrderingRelation.IsSlightlyBetterThan, "C4");
dm.CreateCriterionOrdering("C4", CriterionOrdering.OrderingRelation.IsSlightlyBetterThan, "C3");
dm.CreateCriterionOrdering("C3", CriterionOrdering.OrderingRelation.IsEqualTo, "C2");
dm.CreateCriterionOrdering("C2", CriterionOrdering.OrderingRelation.IsEqualTo, "C1");
dm.NormalizeCriteria();
DecisionModelVM.DecisionModel = dm;
e.Handled = true;
}
}
public void EditableCriterion_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
switch (e.PropertyName)
{
case "Criterion":
{
EditableCriterion ec = sender as EditableCriterion;
int index = orderedCriteria.IndexOf(ec);
if (index == -1 || !ec.IsNewEditableCriterion)
{
return;
}
// Finished editing a new Criterion - need to add it to the DecisionModel
DecisionModel dm = DecisionModel;
dm.CreateCriterion(
ec.Name,
ec.Description,
ec.Scorer);
if (orderedCriteria.Count != 1)
{
Criterion lastCriterion = dm.OrderedCriteria.Last.Value;
Criterion newCriterion = dm.Criteria[ec.Name];
dm.CreateCriterionOrdering(
lastCriterion.Name,
CriterionOrdering.OrderingRelation.IsEqualTo,
newCriterion.Name);
}
dm.NormalizeCriteria();
break;
}
case "Scorer":
{
EditableCriterion ec = sender as EditableCriterion;
Scorer = ec.Scorer;
break;
}
}
}
void Criteria_Drop(object sender, DragEventArgs e)
{
DataGrid dg = sender as DataGrid;
if (fromRowIndex < 0)
{
return;
}
int toRowIndex = this.GetDataGridItemCurrentRowIndex(dg, e.GetPosition);
//The current Rowindex is -1 (No selected)
if (toRowIndex < 0)
{
return;
}
//If Drag-Drop Location are same
if (toRowIndex == fromRowIndex || (toRowIndex == dg.Items.Count - 1 && fromRowIndex == dg.Items.Count - 2))
{
return;
}
DecisionModel dm = DecisionModelVM.DecisionModel;
LinkedList <Criterion> oc = dm.OrderedCriteria;
//Fix up criterion orderings
//First fix criterion ordering for criterion being moved
LinkedListNode <Criterion> fromCriterionNode = oc.GetNodeAt <Criterion>(fromRowIndex);
if (fromRowIndex == 0)
{
// moving first criterion somewhere else - delete its current ordering
dm.DeleteCriterionOrdering(fromCriterionNode.Value.Name);
}
else
{
// moving criterion in body of orderings - delete the previous criterion's ordering to it
CriterionOrdering previousCriterionOrdering = dm.CriterionOrderings[fromCriterionNode.Previous.Value.Name];
dm.DeleteCriterionOrdering(fromCriterionNode.Previous.Value.Name);
if (fromRowIndex != oc.Count - 1)
{
// not moving the last criterion - so must create ordering between previous criterion and next criterion
CriterionOrdering fromCriterionOrdering = dm.CriterionOrderings[fromCriterionNode.Value.Name];
dm.DeleteCriterionOrdering(fromCriterionNode.Value.Name);
dm.CreateCriterionOrdering(
previousCriterionOrdering.Left.Name,
previousCriterionOrdering.Relation,
fromCriterionOrdering.Right.Name);
}
}
fromCriterionNode.Remove();
if (toRowIndex > fromRowIndex)
{
toRowIndex--;
}
//Now fix criterion ordering where criterion is being dropped
LinkedListNode <Criterion> toCriterionNode = oc.GetNodeAt <Criterion>(toRowIndex);
if (toRowIndex == 0)
{
// moving criterion to first position - just add a criterion ordering for the moved criterion to the first criterion
dm.CreateCriterionOrdering(
fromCriterionNode.Value.Name,
CriterionOrdering.OrderingRelation.IsEqualTo,
toCriterionNode.Value.Name);
}
else
{
// not moving to first position
if (toRowIndex < oc.Count)
{
// Not moving below last criteria, so create ordering between previous criterion and moved criterion
CriterionOrdering previousCriterionOrdering = dm.CriterionOrderings[toCriterionNode.Previous.Value.Name];
dm.DeleteCriterionOrdering(toCriterionNode.Previous.Value.Name);
dm.CreateCriterionOrdering(
previousCriterionOrdering.Left.Name,
previousCriterionOrdering.Relation,
fromCriterionNode.Value.Name);
// Add ordering for the moved criterion
dm.CreateCriterionOrdering(
fromCriterionNode.Value.Name,
CriterionOrdering.OrderingRelation.IsEqualTo,
toCriterionNode.Value.Name);
}
else
{
// Moving below last criteria, so just create ordering between last criteria and moved criteria
LinkedListNode <Criterion> lastCriterionNode = oc.Last;
dm.CreateCriterionOrdering(
lastCriterionNode.Value.Name,
CriterionOrdering.OrderingRelation.IsEqualTo,
fromCriterionNode.Value.Name);
}
}
dm.NormalizeCriteria();
}