public void DisconnectView(BaseConnectionView edgeView)
{
BasePortView inputPortView = edgeView.input as BasePortView;
BaseNodeView inputNodeView = inputPortView.node as BaseNodeView;
if (inputPortView != null)
{
inputPortView.Disconnect(edgeView);
}
inputPortView.Disconnect(edgeView);
BasePortView outputPortView = edgeView.output as BasePortView;
BaseNodeView outputNodeView = outputPortView.node as BaseNodeView;
if (outputPortView != null)
{
outputPortView.Disconnect(edgeView);
}
outputPortView.Disconnect(edgeView);
inputNodeView.RefreshPorts();
outputNodeView.RefreshPorts();
RemoveElement(edgeView);
}
public bool OnSelectEntry(SearchTreeEntry searchTreeEntry, SearchWindowContext context)
{
var windowRoot = graphView.GraphWindow.rootVisualElement;
var windowMousePosition = windowRoot.ChangeCoordinatesTo(windowRoot.parent, context.screenMousePosition - graphView.GraphWindow.position.position);
var graphMousePosition = graphView.contentViewContainer.WorldToLocal(windowMousePosition);
BaseNode createNode = graphView.Model.NewNode(searchTreeEntry.userData as Type, graphMousePosition);
//自动连接
if (ConnectionFilter != null)
{
graphView.CommandDispacter.Do(new AddNodeCommand(graphView.Model, createNode));
Port port = ConnectionFilter.input == null ? ConnectionFilter.output : ConnectionFilter.input;
BasePortView portView1 = port as BasePortView;
string portName = nodePortNameMap[searchTreeEntry.userData as Type];
if (checkInPort)
{
graphView.CommandDispacter.Do(new ConnectCommand(graphView.Model, createNode, portName, waitConnectNode, waitConnectPortName));
}
else
{
graphView.CommandDispacter.Do(new ConnectCommand(graphView.Model, waitConnectNode, waitConnectPortName, createNode, portName));
}
}
else
{
graphView.CommandDispacter.Do(new AddNodeCommand(graphView.Model, createNode));
}
graphView.GraphWindow.Focus();
return(true);
}
void OnPortAdded(BasePort port)
{
BasePortView portView = NewPortView(port);
portView.SetUp(port, Owner);
portViews[port.name] = portView;
if (portView.orientation == Orientation.Horizontal)
{
if (portView.direction == Direction.Input)
{
inputContainer.Add(portView);
}
else
{
outputContainer.Add(portView);
}
}
else
{
if (portView.direction == Direction.Input)
{
topPortContainer.Add(portView);
}
else
{
bottomPortContainer.Add(portView);
}
}
RefreshPorts();
}
protected virtual bool IsCompatible(BasePortView portView, BasePortView toPortView, NodeAdapter nodeAdapter)
{
if (toPortView.direction == portView.direction)
{
return(false);
}
// 类型兼容查询
if (!TypesAreConnectable(portView.Model.type, toPortView.Model.type))
{
return(false);
}
return(true);
}
/// <summary>
/// 获得匹配的端口
/// </summary>
/// <param name="startPortView"></param>
/// <param name="nodeAdapter"></param>
/// <returns></returns>
public override List <Port> GetCompatiblePorts(Port startPortView, NodeAdapter nodeAdapter)
{
BasePortView portView = startPortView as BasePortView;
List <Port> compatiblePorts = new List <Port>();
ports.ForEach(_portView =>
{
var toPortView = _portView as BasePortView;
if (IsCompatible(portView, toPortView, nodeAdapter))
{
compatiblePorts.Add(_portView);
}
});
return(compatiblePorts);
}
private void InitPorts()
{
void AddPortView(BasePort port)
{
if (port == null)
{
return;
}
BasePortView portView = NewPortView(port);
portView.SetUp(port, Owner);
portViews[port.name] = portView;
if (portView.orientation == Orientation.Horizontal)
{
if (portView.direction == Direction.Input)
{
inputContainer.Add(portView);
}
else
{
outputContainer.Add(portView);
}
}
else
{
if (portView.direction == Direction.Input)
{
topPortContainer.Add(portView);
}
else
{
bottomPortContainer.Add(portView);
}
}
}
//自定义端口
foreach (var port in Model.Ports.Values)
{
AddPortView(port);
}
}
//创建连接菜单
private void CreateEdgeNodeMenu(List <SearchTreeEntry> tree)
{
nodePortNameMap.Clear();
waitConnectNode = null;
waitConnectPortName = null;
void CollectNodePortName(BasePort checkPort, Type nodeType, PortInfo portInfo, bool checkInPort)
{
if (checkInPort)
{
for (int i = 0; i < portInfo.InPorts.Count; i++)
{
if (graphView.TypesAreConnectable(checkPort.type, portInfo.InPorts[i].type))
{
nodePortNameMap.Add(nodeType, portInfo.InPorts[i].name);
return;
}
}
}
else
{
for (int i = 0; i < portInfo.OutPorts.Count; i++)
{
if (graphView.TypesAreConnectable(checkPort.type, portInfo.OutPorts[i].type))
{
nodePortNameMap.Add(nodeType, portInfo.OutPorts[i].name);
return;
}
}
}
}
Port port = ConnectionFilter.input == null ? ConnectionFilter.output : ConnectionFilter.input;
if (port == null)
{
return;
}
BasePortView portView = port as BasePortView;
waitConnectNode = portView.Model.Owner;
waitConnectPortName = portView.Model.name;
bool checkInPort = ConnectionFilter.input == null ? true : false;
foreach (var item in nodePortMap)
{
Type nodeType = item.Key;
PortInfo portInfo = item.Value;
CollectNodePortName(portView.Model, nodeType, portInfo, checkInPort);
}
//创建菜单
var titlePaths = new HashSet <string>();
foreach (var item in nodePortNameMap)
{
Type nodeType = item.Key;
string portName = item.Value;
if (!AttributeHelper.TryGetTypeAttribute(nodeType, out NodeMenuItemAttribute attr))
{
continue;
}
var nodePath = attr.title;
var nodeName = nodePath;
var level = 0;
var parts = nodePath.Split('/');
if (parts.Length > 1)
{
level++;
nodeName = parts[parts.Length - 1];
var fullTitleAsPath = "";
for (var i = 0; i < parts.Length - 1; i++)
{
var title = parts[i];
fullTitleAsPath += title;
level = i + 1;
// 如果节点在子类别中，则添加节标题
if (!titlePaths.Contains(fullTitleAsPath))
{
tree.Add(new SearchTreeGroupEntry(new GUIContent(title))
{
level = level
});
titlePaths.Add(fullTitleAsPath);
}
}
}
tree.Add(new SearchTreeEntry(new GUIContent(nodeName))
{
level = level + 1,
userData = nodeType
});
}
}