private Transition MouseOverTransition()
{
if (BehaviorTree == null)
{
return(null);
}
for (int i = 0; i < BehaviorTree.Nodes.Count; i++)
{
NodeDesigner node = (NodeDesigner)BehaviorTree.Nodes[i];
if (node.Transitions.Count > 0)
{
for (int ii = 0; ii < node.Transitions.Count; ii++)
{
Transition transition = node.Transitions[ii];
if (transition != null)
{
if (BezierLink.CheckPointAt(transition.FromNode, transition.ToNode, m_MouseWorldPoint))
{
return(transition);
}
}
}
}
}
return(null);
}
//画节点连线
private void DoTransitions()
{
if (m_FromNode != null)
{
BezierLink.DrawNodeToPoint(m_Graphics, m_FromNode, m_MouseWorldPoint);
}
for (int i = 0; i < BehaviorTree.Nodes.Count; i++)
{
NodeDesigner node_i = BehaviorTree.Nodes[i];
if (node_i == null)
{
continue;
}
if (node_i.Transitions == null || node_i.Transitions.Count == 0)
{
continue;
}
for (int ii = 0; ii < node_i.Transitions.Count; ii++)
{
Transition node_ii = node_i.Transitions[ii];
if (node_ii == null)
{
continue;
}
BezierLink.DrawNodeToNode(m_Graphics, node_ii.FromNode, node_ii.ToNode, false, m_Offset);
}
}
//绘制选中线
if (m_SelectedTransition != null)
{
BezierLink.DrawNodeToNode(m_Graphics, m_SelectedTransition.FromNode, m_SelectedTransition.ToNode, true, m_Offset);
}
}
public void InitNodesAndConnections(WorkflowJsonObject flow)
{
workflowId = flow.id;
nodes.Clear();
connections.Clear();
foreach (var node in flow.nodes)
{
foreach (var x in MyCanvas.Children)
{
if (x is Node)
{
Node nodeMark = x as Node;
if (nodeMark.Text == node.name)
{
nodes.Add(nodeMark, node);
break;
}
}
}
}
foreach (var conn in flow.connections)
{
Point start = new Point(flow.nodes[conn.from].xpos, flow.nodes[conn.from].ypos);
Point end = new Point(flow.nodes[conn.to].xpos, flow.nodes[conn.to].ypos);
foreach (var x in MyCanvas.Children)
{
if (x is BezierLink)
{
BezierLink arrow = x as BezierLink;
if (arrow.StartPoint == start && arrow.EndPoint == end)
{
connections.Add(conn, arrow);
break;
}
}
}
}
}
public override void MouseLUpHandler(object sender, MouseButtonEventArgs e)
{
if (count == 2)
{
_isFinished = true;
if (_startNode != null && _endNode != null)
{
double NodeSize = _startNode.Size;
BezierLink arrow = new BezierLink();
arrow.StartPoint = _startNode.Position;
arrow.EndPoint = _endNode.Position;
arrow.StartOffset = NodeSize / 2;
arrow.EndOffset = NodeSize / 2;
arrow.ReadyControl();
Canvas.SetZIndex(arrow, 100);
MainPage.Current.MyCanvas.Children.Add(arrow);
NodeConnectionJsonObject conn = new NodeConnectionJsonObject();
conn.from = MainPage.Current.nodes.Keys.ToList().IndexOf(_startNode);
conn.to = MainPage.Current.nodes.Keys.ToList().IndexOf(_endNode);
conn.label = string.Empty;
if (!MainPage.Current.connections.Any(c => c.Key.from == conn.from && c.Key.to == conn.to))
{
MainPage.Current.connections.Add(conn, arrow);
_isConnectionExist = false;
}
else
{
_isConnectionExist = true;
border.RenderTransform = new TranslateTransform {
X = 0, Y = 0
};
border.Child = tb;
Canvas.SetLeft(border, _mouseDownTemp.X + 10);
Canvas.SetTop(border, _mouseDownTemp.Y + 10);
tb.Text = "当前Connection已经存在!";
if (!_isTbAdd)
{
MainPage.Current.MyCanvas.Children.Add(border);
}
_isTbAdd = true;
MainPage.Current.MyCanvas.Children.Remove(arrow);
}
if (_isSelfSelected)
{
border.RenderTransform = new TranslateTransform {
X = 0, Y = 0
};
border.Child = tb;
Canvas.SetLeft(border, _mouseDownTemp.X + 10);
Canvas.SetTop(border, _mouseDownTemp.Y + 10);
tb.Text = "所选的EndNode与StartNode相同!";
if (!_isTbAdd)
{
MainPage.Current.MyCanvas.Children.Add(border);
}
_isTbAdd = true;
MainPage.Current.MyCanvas.Children.Remove(arrow);
}
}
}
}
