protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
if (CurrentFloor == null)
{
return;
}
e.Handled = true;
var position = GetAbsolutePosition(e.GetPosition(this));
try
{
switch (SelectedActionMode)
{
case ActionMode.AddStart:
{
var start = new StartNode(CurrentFloor.Model, position);
AddVisualEntity(new VisualStartNode(start, CurrentFloor)); break;
}
case ActionMode.AddExit:
{
var exit = new ExitNode(CurrentFloor.Model, position);
AddVisualEntity(new VisualExitNode(exit, CurrentFloor)); break;
}
case ActionMode.AddEntry:
{
var entry = new EntryNode(CurrentFloor.Model, position);
AddVisualEntity(new VisualEntryNode(entry, CurrentFloor)); break;
}
case ActionMode.AddStairs:
case ActionMode.AddRoad:
{
CreatingSection(position);
break;
}
case ActionMode.Move:
{
var entity = CurrentFloor.GetVisualEntity(position);
if (entity != null)
{
moveInformation = new MoveInformation(entity.GetUnit(position), position);
entity.Model.IsSelected = true;
}
else if (Shell != null)
{
moveInformation = new MoveInformation(Shell, e.GetPosition(this), true);
e.Handled = false;
}
e.Handled = true;
break;
}
case ActionMode.Remove:
{
var entity = CurrentFloor.GetVisualEntity(position);
CurrentFloor.RemoveVisualEntity(entity);
break;
}
case ActionMode.SetScale:
{
if (IsCreatingLine)
{
CreatingLineInf.LastPosition = position;
SetScale();
}
else
{
CreatingLineInf = new CreatingLineInformation(new VisualThumb(position));
}
break;
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Ошибка", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void CreatingSection(Point position)
{
var entity = CurrentFloor.GetVisualEntity(position);
VisualNode node = null;
if (entity is VisualNode)
{
node = entity as VisualNode;
}
else
{
switch (SelectedActionMode)
{
case ActionMode.AddStairs:
node = new VisualStairsNode(new StairsNode(CurrentFloor.Model, position), CurrentFloor); break;
case ActionMode.AddRoad:
node = new VisualNode(new RoadNode(CurrentFloor.Model, position), CurrentFloor); break;
}
AddVisualEntity(node);
}
if (IsCreatingLine)
{
if (!node.NodeModel.IncomingSectionsAllowed)
{
return;
}
if (CreatingLineInf.FirstUnit == node || !(CreatingLineInf.FirstUnit is VisualNode))
{
return;
}
VisualRoadSection section = null;
Section model = null;
switch (SelectedActionMode)
{
case ActionMode.AddStairs:
model = new StairsSection(CreatingLineInf.FirstNode.NodeModel, node.NodeModel, CurrentFloor.Model); break;
case ActionMode.AddRoad:
model = new RoadSection(CreatingLineInf.FirstNode.NodeModel, node.NodeModel, CurrentFloor.Model); break;
}
// по каким-то причинам (образовывается петля) нет возможности добавить данный участок
if (!CurrentFloor.Model.CanAddSection(model))
{
return;
}
switch (SelectedActionMode)
{
case ActionMode.AddStairs:
section = new VisualStairsSection(CreatingLineInf.FirstNode, node, model as StairsSection, CurrentFloor); break;
case ActionMode.AddRoad:
section = new VisualRoadSection(CreatingLineInf.FirstNode, node, model as RoadSection, CurrentFloor); break;
}
AddVisualEntity(section);
}
CreatingLineInf = new CreatingLineInformation(node);
if (!CreatingLineInf.FirstNode.NodeModel.OutgoingSectionsAllowed)
{
IsCreatingLine = false;
}
}
