private bool FindActiveDropRegion(Rectangle rect, out DropRegion ret)
{
foreach (DropRegion dr in DropRegions)
{
if (EffectiveDropRegion(rect, dr))
{
canvasView.SetDropRegion(dr);
ret = dr;
return(true);
}
}
canvasView.ResetDropRegion();
ret = new DropRegion();
return(false);
}
private void ConnectBlocks(DropRegion dr, TopLevelScript block)
{
Point destinationLoc = new Point();
if (allViews.ContainsKey(dr.Destination))
{
destinationLoc = allViews[dr.Destination];
}
int sourceHeight = blockViews[block.Block].Assemble().Height;
switch (dr.DropType)
{
case DropType.Above:
IBlock finalStack = blockSpace.StackAbove(block, dr.Destination.Model);
if (finalStack.ParentRelationship.Type == ParentRelationshipType.None)
{
// We've stacked A above B, we need to reposition the result so that
// B's old location stays the same
TopLevelScript ts = blockSpace.FindScript(finalStack);
ts.Location = new Point(destinationLoc.X, destinationLoc.Y - sourceHeight + BlockStackView.NotchHeight);
}
break;
case DropType.Below:
blockSpace.StackBelow(block, dr.Destination.Model);
break;
case DropType.Between:
blockSpace.RemoveScript(draggedModel);
(dr.Destination.Model as BlockStack).Insert((int)dr.ExtraInfo, block.Block);
break;
case DropType.AsArgument:
blockSpace.RemoveScript(draggedModel);
(dr.Destination.Model as InvokationBlock).SetArg((int)dr.ExtraInfo, block.Block);
break;
}
}
public void SetDropRegion(DropRegion dr)
{
CurrentDropRegion = dr;
activeDropRegion = true;
}
private bool FindActiveDropRegion(Rectangle rect, out DropRegion ret)
{
foreach (DropRegion dr in DropRegions)
{
if (EffectiveDropRegion(rect, dr))
{
canvasView.SetDropRegion(dr);
ret = dr;
return true;
}
}
canvasView.ResetDropRegion();
ret = new DropRegion();
return false;
}
private void ConnectBlocks(DropRegion dr, TopLevelScript block)
{
Point destinationLoc = new Point();
if(allViews.ContainsKey(dr.Destination))
destinationLoc = allViews[dr.Destination];
int sourceHeight = blockViews[block.Block].Assemble().Height;
switch (dr.DropType)
{
case DropType.Above:
IBlock finalStack = blockSpace.StackAbove(block, dr.Destination.Model);
if (finalStack.ParentRelationship.Type == ParentRelationshipType.None)
{
// We've stacked A above B, we need to reposition the result so that
// B's old location stays the same
TopLevelScript ts = blockSpace.FindScript(finalStack);
ts.Location = new Point(destinationLoc.X, destinationLoc.Y - sourceHeight + BlockStackView.NotchHeight);
}
break;
case DropType.Below:
blockSpace.StackBelow(block, dr.Destination.Model);
break;
case DropType.Between:
blockSpace.RemoveScript(draggedModel);
(dr.Destination.Model as BlockStack).Insert((int)dr.ExtraInfo, block.Block);
break;
case DropType.AsArgument:
blockSpace.RemoveScript(draggedModel);
(dr.Destination.Model as InvokationBlock).SetArg((int)dr.ExtraInfo, block.Block);
break;
}
}
private static bool EffectiveDropRegion(Rectangle rect, DropRegion dr)
{
switch (dr.DropType)
{
case DropType.Above:
if (rect.BottomSlice(5).IntersectsWith(dr.Rectangle))
{
return true;
}
break;
case DropType.Below:
case DropType.Between:
if (rect.TopSlice(5).IntersectsWith(dr.Rectangle))
{
return true; ;
}
break;
case DropType.AsArgument:
if (rect.IntersectsWith(dr.Rectangle))
{
return true; ;
}
break;
}
return false;
}
public void SetDropRegion(DropRegion dr)
{
CurrentDropRegion = dr;
activeDropRegion = true;
}
