//-----------------------------------------------------------------------------------------
private void moveNodeMode_update(Point _location)
{
if (!MoveNodeMode)
{
return;
}
m_moveNode_currentPos = _location;
if (!m_moveNode_started)
{
int delta = Math.Abs(_location.X - m_moveNode_startPos.X);
delta += Math.Abs(_location.Y - m_moveNode_startPos.Y);
if (delta <= 5)
{
return;
}
m_moveNode_started = true;
}
if (OverviewNode == null)
{
m_moveNode_enabled = false;
}
else if (OverviewNode == SelectedNode)
{
m_moveNode_enabled = false;
}
else if (SelectedNode.ParentNode == OverviewNode)
{
m_moveNode_enabled = false;
}
else if (SelectedNode.ContaintRecursive(OverviewNode))
{
m_moveNode_enabled = false;
}
else if (OverviewNode.Children.Count >= OverviewNode.Data.rightCapacity)
{
m_moveNode_enabled = false;
}
else
{
m_moveNode_enabled = true;
}
Cursor.Current = m_moveNode_enabled ? Cursors.Hand : Cursors.No;
Refresh();
}
