public static StreamControl CreateOnCanvas(DrawingCanvas canvas, AbstractStream stream)
{
StreamControl streamControl = new StreamControl(canvas, stream);
canvas.AddNewChild(streamControl);
return(streamControl);
}
public void MouseMove(object sender, MouseEventArgs e)
{
if (null == m_placementIcon)
{
return;
}
// Set the location of the icon to follow the mouse
Point p = e.GetPosition(m_canvas);
m_placementIcon.SetValue(Canvas.LeftProperty, p.X - m_placementIcon.Width / 2.0);
m_placementIcon.SetValue(Canvas.TopProperty, p.Y - m_placementIcon.Height / 2.0);
// If we've highlighted a process unit or stream then clear the highlight
UnhighlightHover();
// See if we're hovering over a process unit (will be null if we're not)
m_highlightedHover = m_canvas.GetChildAtIncludeStreams(p, m_placementIcon);
ProcessUnitControl pu = m_highlightedHover as ProcessUnitControl;
ChemProV.PFD.Streams.StreamControl stream =
m_highlightedHover as ChemProV.PFD.Streams.StreamControl;
// Set the border if we are hovering over a process unit to indicate that we can attach
// an anchored comment to it
if (null != pu)
{
pu.SetBorderColor(ProcessUnitBorderColor.AcceptingStreams);
}
else if (null != stream)
{
stream.SetLineBrush(new SolidColorBrush(Colors.Green));
}
}
public DraggableStreamEndpoint(EndpointType endpointType, StreamControl owner, DrawingCanvas canvas)
{
InitializeComponent();
m_id = s_idCounter;
s_idCounter++;
m_canvas = canvas;
m_owner = owner;
m_type = endpointType;
// Initialize the icon
RebuildIcon();
}
