//public UMLControlPointGroup (UMLNode group) : base ((CanvasGroup) group)
public UMLControlPointGroup(UMLElement group)
: base((CanvasGroup) group)
{
_element = group;
_p = new UMLControlPoint [4];
_frame = new CanvasRect (this);
_frame.OutlineColor = DEFAULT_OUTLINE_COLOR;
_frame.FillColorRgba = 0xfbfbfb15;
_frame.WidthUnits = 1;
_frame.Show ();
for (int i = 0; i < ((int) Location.Total); i++)
{
_p[i] = new UMLControlPoint (this);
_p[i].Moved += PointMoved;
}
Redraw ();
}
private void ButtonReleaseEventCb (object obj, ButtonReleaseEventArgs args)
{
_selector.StopSelection (_elements);
_is_nodeentry_moved = false;
if (_dragging_association)
{
_dragging_association = false;
//TODO: Fix this
// _current_edge.CalculateToElement ();
}
if (_cp_motioned != null)
{
_cp_motioned.ForceRelease (args);
_cp_motioned = null;
_umledge = null;
}
}
public void EnableControlPointMotion (UMLEdge e, UMLControlPoint cp)
{
_cp_motioned = cp;
_umledge = e;
}
public void EnableControlPointMotion(UMLEdge edge, UMLControlPoint cp)
{
_canvas.EnableControlPointMotion (edge, cp);
}
// creates one control point for each internal line break
// that is, it will create 0..N control points.
private void CreateControlPoints()
{
UMLControlPoint cp;
DI.Point waypoint;
_control_points.Clear ();
IList wps = _graphEdge.Waypoints;
for (int i = 0; i < wps.Count; i ++)
{
waypoint = (DI.Point)wps[i];
cp = new UMLControlPoint (_ownerDiagram.CanvasRoot);
cp.Moveable = true;
cp.X = waypoint.X;
cp.Y = waypoint.Y;
cp.ButtonReleased += new UMLElementButtonEventHandler (CPButtonReleased);
cp.Moved += new MovedHandler (CPMoved);
_control_points.Add (cp);
}
}
private void BreakSegment(CanvasLine segment, double x, double y)
{
// if there is another control point near, don't break the line
UMLControlPoint cp = null;
DI.Point wp;
for(int i = 0; i < _graphEdge.Waypoints.Count; i ++)
{
wp = (DI.Point) _graphEdge.Waypoints [i];
if( Math.Abs (wp.X - x) < 3 && Math.Abs (wp.Y - y) < 3)
{
cp = (UMLControlPoint) _control_points [i];
break;
}
}
if (cp == null)
{
int pos = _line_segments.IndexOf (segment) + 1;
// creates a new line segment
CanvasLine newSegment = CreateLine ();
_line_segments.Insert (pos, newSegment);
// creates a new way point
_graphEdge.Waypoints.Insert (pos, new DI.Point (x, y));
// creates a new control point
cp = new UMLControlPoint (_ownerDiagram.CanvasRoot);
cp.Moveable = true;
cp.X = x;
cp.Y = y;
cp.ButtonReleased += new UMLElementButtonEventHandler (CPButtonReleased);
cp.Moved += new MovedHandler (CPMoved);
cp.Show ();
cp.Raise (1);
_control_points.Insert (pos, cp);
base.UMLControlPoint = true;
}
// Redraw the edge
cp.SetPressed ();
ForceRedraw ();
_ownerDiagram.EnableControlPointMotion (this, cp);
}
