void MyDragLine()
{
if (startLineNode != null)
{
if (bDragingInputLine)
{
Vector2 lineEnd = startLineNode.getInputPortRect(startLinePort).center;
drawBezier(Event.current.mousePosition, lineEnd, new Color(0.8f, 0.8f, 0.8f), true);
}
else if (bDragingOutputLine)
{
Vector2 lineStart = startLineNode.getOutputPortRect().center;
drawBezier(lineStart, Event.current.mousePosition, new Color(0.8f, 0.8f, 0.8f), true);
}
}
nodeManager.forEachNodes((n) => {
for (int i = 0; i < n.getInputNum(); i++)
{
var inputNode = nodeManager.findNodeWindow(n.getInputGuid(i));
if (inputNode != null)
{
var endPos = n.getInputPortRect(i).center;
var startPos = inputNode.getOutputPortRect().center;
drawBezier(startPos, endPos, new Color(0.8f, 0.8f, 0.8f), true);
}
}
});
if (Event.current.type == EventType.MouseDrag)
{
if (bDragingInputLine)
{
}
}
if (Event.current.type == EventType.MouseDown)
{
if (Event.current.button == 0)
{
nodeManager.forEachNodes((n) => {
for (int i = 0; i < n.getInputNum(); i++)
{
if (n.getInputPortRect(i).Contains(Event.current.mousePosition))
{
if (nodeManager.findNodeWindow(n.getInputGuid(i)) != null)
{
bDragingOutputLine = true;
startLineNode = nodeManager.findNodeWindow(n.getInputGuid(i));
n.setInput(i, "");
}
else
{
bDragingInputLine = true;
startLineNode = n;
startLinePort = i;
}
}
}
if (n.hasOutput())
{
if (n.getOutputPortRect().Contains(Event.current.mousePosition))
{
bDragingOutputLine = true;
startLineNode = n;
}
}
});
}
}
if (Event.current.type == EventType.MouseUp)
{
if (Event.current.button == 0)
{
if (bDragingInputLine)
{
nodeManager.forEachNodes((n) => {
if (n != startLineNode)
{
if (n.hasOutput() && n.getOutputPortRect().Contains(Event.current.mousePosition))
{
startLineNode.setInput(startLinePort, n.getGuid());
}
}
});
}
else if (bDragingOutputLine)
{
nodeManager.forEachNodes((n) => {
if (n != startLineNode)
{
for (int i = 0; i < n.getInputNum(); i++)
{
if (n.getInputPortRect(i).Contains(Event.current.mousePosition))
{
n.setInput(i, startLineNode.getGuid());
}
}
}
});
}
bDragingInputLine = false;
bDragingOutputLine = false;
this.Repaint();
}
}
}