/// <summary>
/// Constructor
/// </summary>
/// <param name="flowChart"></param>
/// <param name="panel"></param>
/// <param name="flowItem"></param>
/// <param name="ctlBase"></param>
/// <param name="pathSeg"></param>
public SegmentCtl(SMGenericFlowChart flowChart, Panel panel, SMFlowBase flowItem,
SMCtlBase ctlBase, SMPathSegment pathSeg)
{
_flowChart = flowChart;
_panel = panel;
_flowItem = flowItem;
_ctlBase = ctlBase;
_pathSeg = pathSeg;
ArrowEnd = IsLast;
InitializeComponent();
}
private float GetGridDistanceY(int signValue)
{
return(SMGenericFlowChart.PixelToGridY(_rcHead.Height) * Math.Sign(signValue));
}
private void NewGridDistanceY(int newPixDistance)
{
NewGridDistance(SMGenericFlowChart.PixelToGridY(newPixDistance));
}
public PointF MoveIt(ref SMFlowBase.eDir dir, PointF startGridPt, bool vertical)
{
_lineWidth = IsEditable ? 8 : 2;
Vertical = vertical;
PointF endGridPt = startGridPt;
float gridDistance = _pathSeg.GridDistance;
Point startPt = SMGenericFlowChart.GridToPixel(startGridPt);
int pixDistance = 0;
int halfLine = _lineWidth / 2;
if (vertical)
{
endGridPt.Y += gridDistance;
pixDistance = SMGenericFlowChart.GridToPixelY(gridDistance);
}
else
{
endGridPt.X += gridDistance;
pixDistance = SMGenericFlowChart.GridToPixelX(gridDistance);
}
Point loc = startPt;
Size size = Size.Empty;
if (vertical)
{
size = new Size(_lineWidth, Math.Abs(pixDistance) + _lineWidth);
if (pixDistance >= 0)
{
// Down
dir = SMFlowBase.eDir.Down;
loc.Offset(-halfLine, -halfLine);
}
else
{
// Up
dir = SMFlowBase.eDir.Up;
loc.Offset(-halfLine, pixDistance - halfLine);
}
}
else
{
size = new Size(Math.Abs(pixDistance) + _lineWidth, _lineWidth);
if (pixDistance >= 0)
{
// Right
dir = SMFlowBase.eDir.Right;
loc.Offset(-halfLine, -halfLine);
}
else
{
// Left
dir = SMFlowBase.eDir.Left;
loc.Offset(pixDistance - halfLine, -halfLine);
}
}
_dir = dir;
Location = loc;
Size = size;
if (IsLast)
{
_flowItem.ParentPanel.DetermineTarget(FirstPathSeg, endGridPt);
}
return(endGridPt);
}