protected override void OnMouseDown(MouseEventArgs e)
{
LinkLineNode nodeTest = HitTest(e.X, e.Y);
if (nodeTest != null)
{
if (AllowLineSelection)
{
nodeTest.SelectLine(true);
if (nodeTest.Start != null && nodeTest.End != null)
{
LinkLineNodeOutPort startNode = nodeTest.Start as LinkLineNodeOutPort;
LinkLineNodeInPort endNode = nodeTest.End as LinkLineNodeInPort;
if (startNode != null && endNode != null)
{
bool bChanged = true;
if (_selectedLine != null)
{
if (_selectedLine.StartNode.PortID == startNode.PortID &&
_selectedLine.StartNode.PortInstanceID == startNode.PortInstanceID &&
_selectedLine.EndNode.PortID == endNode.PortID &&
_selectedLine.EndNode.PortInstanceID == endNode.PortInstanceID)
{
bChanged = false;
}
}
if (bChanged)
{
_selectedLine = new LinkLineEnds(startNode, endNode);
OnLineSelectionChanged();
}
}
}
}
}
if (e.Button == MouseButtons.Right)
{
ContextMenu mnu = new ContextMenu();
Point pt = new Point(e.X, e.Y);
if (nodeTest != null)
{
//nodeTest is the line holder
nodeTest.SelectLine(true);
MenuItemWithBitmap mi = new MenuItemWithBitmap("Add line join", Resource1.newLineBreak);
mi.Click += new EventHandler(miAddLineNode_Click);
mi.Tag = new NodeData(nodeTest, pt);
mnu.MenuItems.Add(mi);
//
if (AllowLineDisconnect)
{
if (nodeTest.LinkedInPort != null && nodeTest.LinkedOutPort != null)
{
mi = new MenuItemWithBitmap("Disconnect", Resource1.disconnect);
mi.Click += new EventHandler(miDisconnectNodes_Click);
mi.Tag = new NodeData(nodeTest, pt);
mnu.MenuItems.Add(mi);
}
}
OnCreateContextMenuForLinkLine(nodeTest, mnu, pt);
}
else
{
OnCreateContextMenu(mnu, pt);
}
if (mnu.MenuItems.Count > 0)
{
_menuPoint = pt;
mnu.Show(this, pt);
}
}
}
public void ClearLineSelection()
{
_selectedLine = null;
}
