public override bool AddVariable(LooseDragDropLink link)
{
if (link.GetElement() is NumberTextbox)
{
this.varLink = link;
return true;
}
if(link.GetElement() is SingleReturnMethodElement && ((SingleReturnMethodElement)link.GetElement()).GetReturnType() == "Number")
{
this.varLink = link;
return true;
}
return false;
}
public override bool AddVariable(LooseDragDropLink link)
{
if (varLink != null) return false;
if(link.GetElement() is BooleanDragDrop)
{
this.varLink = link;
return true;
}
if(link.GetElement() is SingleReturnMethodElement)
{
if (((SingleReturnMethodElement)link.GetElement()).GetReturnType().Equals("Boolean"))
{
this.varLink = link;
return true;
}
}
return false;
}
public override void SetLooseLink(LooseDragDropLink link)
{
this.link = link;
}
public abstract void SetLooseLink(LooseDragDropLink link);
public override void SetLooseLink(LooseDragDropLink link)
{
return;
}
public abstract Boolean AddVariable(LooseDragDropLink link);
internal LooseDragDropLink PopVariable()
{
LooseDragDropLink temp = varLink;
varLink = null;
return temp;
}
private void UpdateSuggestions(InputHandler handler)
{
if (draggedElement != null) return;
if(handler.CheckLeftMouseJustPressed())
foreach(LooseDragDropLink link in suggestions)
{
if(handler.CheckMouseIn(link))
{
suggestedElement = link;
break;
}
}
if (handler.CheckLeftMouseJustReleased())
{
suggestedElement = null;
}
if(suggestedElement != null)
if (!(handler.LeftMouseDraggedBy().X == 0 && handler.LeftMouseDraggedBy().Y == 0))
{
elements.Add(new LooseDragDropLink(suggestedElement.GetElement().Clone()));
draggedElement = elements[elements.Count - 1];
Point XY = handler.GetMouseXY();
originalPoint = XY;
elements[elements.Count - 1].SetPoint(ref XY);
}
}
private void UpdateInteraction(InputHandler handler)
{
#region Check if released element is in the same area as another element
foreach (LooseDragDropLink element in elements)
{
if (element == draggedElement) continue;
if (handler.CheckMouseIn(element))
{
#region If the Current Element Dropped in is a Variable Placeholder
if (element.GetElement() is DragDropVariablePlaceholder)
{
bool rep = ((DragDropVariablePlaceholder)element.GetElement()).AddVariable(draggedElement);
if (rep)
{
elements.Remove(draggedElement);
draggedElement = null;
}
}
#endregion
else
#region If the Current Element being Interacted with is a Variable Placeholder
if (element.GetElement().GetInteracting(handler) is DragDropVariablePlaceholder)
{
bool rep = ((DragDropVariablePlaceholder)element.GetElement().GetInteracting(handler)).AddVariable(draggedElement);
if (rep)
{
elements.Remove(draggedElement);
draggedElement = null;
}
}
#endregion
break;
}
}
#endregion
}
private void UpdateElements(InputHandler handler)
{
if (draggedElement == null)
{
#region If Mouse Pressed
if (handler.CheckLeftMouseJustPressed())
{
#region Check if an Element was Clicked
for (int i = 0;i < elements.Count; i++)
{
var element = elements[elements.Count - i - 1];
if (handler.CheckMouseIn(element))
{
#region Set as Dragged Object
draggedElement = element;
originalPoint = element.GetPoint();
elements.Remove(element);
elements.Add(element);
#endregion
break;
}
}
#endregion
}
#endregion
}
else
{
if (dragging)
{
if (handler.CheckLeftMouseJustReleased())
{
//Just in case stuff needs to be done.
#region Release Dragged Object
UpdateInteraction(handler);
if (draggedElement != null && draggedElement.GetX() < widthOfMenu)
{
RemoveElement(draggedElement);
}
draggedElement = null;
dragging = false;
#endregion
}
else
{
#region Set the X and Y of the Dragged Object
draggedElement.SetX(originalPoint.X + handler.LeftMouseDraggedBy().X);
draggedElement.SetY(originalPoint.Y + handler.LeftMouseDraggedBy().Y);
#endregion
}
}
else
{
#region Detect if Dragged Piece was actually moved.
if (!(handler.LeftMouseDraggedBy().X == 0 && handler.LeftMouseDraggedBy().Y == 0))
{
dragging = true;
#region Removes the element from a slot.
if (draggedElement.GetElement() is DragDropVariablePlaceholder)
{
if (((DragDropVariablePlaceholder)draggedElement.GetElement()).HasVariable())
{
elements.Add(((DragDropVariablePlaceholder)draggedElement.GetElement()).PopVariable());
draggedElement = elements[elements.Count - 1];
originalPoint = handler.GetMouseXY();
}
}
#endregion
else
#region Removes the element from a slot that is contained in another piece
if (draggedElement.GetElement().GetTopInteracting(handler) is DragDropVariablePlaceholder)
{
DragDropVariablePlaceholder slot = (DragDropVariablePlaceholder)((DragDropVariablePlaceholder)draggedElement.GetElement().GetTopInteracting(handler)).GetInnerMostDragDrop(handler);
if ((slot).HasVariable())
{
elements.Add((slot).PopVariable());
draggedElement = elements[elements.Count - 1];
originalPoint = handler.GetMouseXY();
}
}
#endregion
}
#endregion
else
#region If the piece is released, select it.
if (handler.CheckLeftMouseJustReleased())
{
if (selectedElement != null && selectedElement != draggedElement) selectedElement.GetElement().TellSelected(false);
draggedElement.GetElement().GetInteracting(handler).TellSelected(true);
selectedElement = draggedElement;
draggedElement = null;
}
#endregion
}
}
}
/// <summary>
/// Removes the link from the interface
/// </summary>
/// <param name="link"></param>
public void RemoveElement(LooseDragDropLink link)
{
elements.Remove(link);
}
public override void SetLooseLink(LooseDragDropLink link)
{
Logger.WriteLine("Someone set a loose link to a toggle button. I hope that was for debugging purposes");
}