public void Drag(List <NodeEditorView> nodeViewList, Vector2 dragOffset)
{
rectInGraph.position += dragOffset;
//同时，所有在注释框里面的节点要跟着被拖动
if (nodeViewList != null && nodeViewList.Count > 0)
{
for (int i = 0; i < nodeViewList.Count; i++)
{
NodeEditorView nodeEditorView = nodeViewList[i];
if (nodeEditorView.IsContainInRect(rectInWindow))
{
nodeEditorView.Drag(dragOffset);
}
}
}
}
void ProcessEvent(Event e)
{
Vector2 windowMousePosition = e.mousePosition;
Vector2 zoomedMousePosition = NonZoomedWindowPositionToZoomedWindowPosition(windowMousePosition);
List <NodeEditorView> nodeViewList = data.CurrentNodeList;
List <ConnectionLineView> connectionLineViewList = data.CurrentConnectionLineList;
bool hasHoveredNodeOrPort = false;
//如果在输入标签上，要屏蔽与注释框的交互
bool hasHoverdNodeInputLabel = false;
for (int i = 0; i < nodeViewList.Count; i++)
{
NodeEditorView nodeView = nodeViewList[i];
#region 提示框鼠标悬浮显示
//在没有任何操作的时候，才显示tips框
if (controlType == ControlType.None && !hasHoveredNodeOrPort)
{
if (nodeView.NodeNameRect.Contains(zoomedMousePosition))
{
//reset time
if (currentHoverNodeView != nodeView)
{
startHoverdTime = EditorApplication.timeSinceStartup;
}
hasHoveredNodeOrPort = true;
currentHoverNodeView = nodeView;
currentHoverPortView = null;
}
if (!hasHoveredNodeOrPort)
{
List <PortEditorView> allPortList = nodeView.allPortList;
for (int j = 0; j < allPortList.Count; j++)
{
PortEditorView portView = allPortList[j];
if (portView.portViewRect.Contains(zoomedMousePosition))
{
//reset time
if (currentHoverPortView != portView)
{
startHoverdTime = EditorApplication.timeSinceStartup;
}
hasHoveredNodeOrPort = true;
currentHoverPortView = portView;
currentHoverNodeView = null;
break;
}
if (portView is InputPortEditorView)
{
InputPortEditorView inputView = portView as InputPortEditorView;
if (inputView.IsInputLabelContains(zoomedMousePosition))
{
hasHoverdNodeInputLabel = true;
}
}
}
}
}
#endregion
if (controlType == ControlType.None && e.type == EventType.MouseDown && e.button == 0)
{
//点击开始拖拽连线
List <PortEditorView> allPortList = nodeView.allPortList;
for (int j = 0; j < allPortList.Count; j++)
{
PortEditorView portView = allPortList[j];
if (portView.connectionCircleRect.Contains(zoomedMousePosition))
{
controlType = ControlType.DraggingConnection;
draggingLineView = new ConnectionLineView(portView);
draggingLineView.SetEndPos(zoomedMousePosition);
e.Use();
break;
}
}
//开始拖拽节点
if (nodeView.viewRect.Contains(zoomedMousePosition))
{
if (data.selectedNodeList.Contains(nodeView))
{
controlType = ControlType.DraggingMultiNodes;
}
else
{
controlType = ControlType.DraggingNode;
draggingNodeView = nodeView;
data.PutNodeToListTail(i);
}
e.Use();
break;
}
}
//节点右键菜单
if (controlType == ControlType.None && e.type == EventType.MouseDown && e.button == 1)
{
if (nodeView.viewRect.Contains(zoomedMousePosition))
{
OpenNodeGenericMenu(nodeView, e.mousePosition);
e.Use();
break;
}
}
}
if (currentHoverConnectionLineView != null)
{
currentHoverConnectionLineView.SetHovering(false);
}
currentHoverConnectionLineView = null;
if (controlType == ControlType.None)
{
//和连接线的交互
for (int i = 0; i < connectionLineViewList.Count; i++)
{
ConnectionLineView connectionLineView = connectionLineViewList[i];
if (connectionLineView.IsPositionCloseToLine(zoomedMousePosition))
{
currentHoverConnectionLineView = connectionLineView;
currentHoverConnectionLineView.SetHovering(true);
//右键点击连线
if (e.type == EventType.MouseDown && e.button == 1)
{
OpenConnectionLineGenericMenu(connectionLineView, e.mousePosition);
e.Use();
}
break;
}
}
}
if (!hasHoveredNodeOrPort)
{
currentHoverPortView = null;
currentHoverNodeView = null;
}
if (controlType == ControlType.DraggingNode && e.type == EventType.MouseDrag && e.button == 0)
{
draggingNodeView.Drag(e.delta / data.GraphZoom);
e.Use();
}
if (controlType == ControlType.DraggingNode && e.type == EventType.MouseUp && e.button == 0)
{
controlType = ControlType.None;
draggingNodeView = null;
e.Use();
}
if (controlType == ControlType.DraggingMultiNodes && e.type == EventType.MouseDrag && e.button == 0)
{
for (int i = 0; i < data.selectedNodeList.Count; i++)
{
data.selectedNodeList[i].Drag(e.delta / data.GraphZoom);
}
e.Use();
}
if (controlType == ControlType.DraggingMultiNodes && e.type == EventType.MouseUp && e.button == 0)
{
controlType = ControlType.None;
e.Use();
}
if (controlType == ControlType.DraggingConnection && e.type == EventType.MouseDrag && e.button == 0)
{
if (draggingLineView != null)
{
draggingLineView.SetEndPos(zoomedMousePosition);
}
}
if (controlType == ControlType.DraggingConnection && e.type == EventType.MouseUp && e.button == 0)
{
if (draggingLineView != null)
{
bool createNewConnection = false;
//检查是否有连接
for (int i = 0; i < nodeViewList.Count; i++)
{
NodeEditorView nodeView = nodeViewList[i];
List <PortEditorView> allPortList = nodeView.allPortList;
for (int j = 0; j < allPortList.Count; j++)
{
PortEditorView portView = allPortList[j];
if (portView.connectionCircleRect.Contains(zoomedMousePosition))
{
if (ConnectionLineView.CheckPortsCanLine(draggingLineView.draggingPort, portView))
{
ConnectionLineView newConnectionLine =
new ConnectionLineView(draggingLineView.draggingPort, portView, data);
data.connectionLineList.Add(newConnectionLine);
data.CurrentConnectionLineList.Add(newConnectionLine);
createNewConnection = true;
break;
}
}
}
if (createNewConnection)
{
break;
}
}
draggingLineView.Dispose();
}
draggingLineView = null;
controlType = ControlType.None;
e.Use();
}
//中键拖动面板
if (e.type == EventType.MouseDrag && e.button == 2)
{
data.GraphOffset += e.delta / data.GraphZoom;
e.Use();
if (draggingLineView != null)
{
draggingLineView.SetEndPos(zoomedMousePosition);
}
}
//滚轮控制缩放
if (e.type == EventType.ScrollWheel)
{
data.GraphZoom -= e.delta.y / GraphEditorData.GraphZoomSpeed;
data.GraphZoom = Mathf.Clamp(data.GraphZoom, GraphEditorData.MinGraphZoom, GraphEditorData.MaxGraphZoom);
e.Use();
if (draggingLineView != null)
{
draggingLineView.SetEndPos(zoomedMousePosition);
}
}
//记录左ctrl按下状态
if (e.type == EventType.KeyDown && e.keyCode == KeyCode.LeftControl)
{
isCtrlDown = true;
}
//记录左ctrl按下状态
if (e.type == EventType.KeyUp && e.keyCode == KeyCode.LeftControl)
{
isCtrlDown = false;
if (controlType == ControlType.DraggingNewCommentBox)
{
controlType = ControlType.None;
}
}
//开始拖拽新的注释框
if (isCtrlDown && controlType == ControlType.None && e.type == EventType.MouseDown && e.button == 0)
{
controlType = ControlType.DraggingNewCommentBox;
startDraggingCommentBoxGraphPosition = WindowPositionToGraphPosition(windowMousePosition);
endDraggingCommentBoxGraphPosition = startDraggingCommentBoxGraphPosition;
e.Use();
}
//更新新的注释框
if (controlType == ControlType.DraggingNewCommentBox && e.type == EventType.MouseDrag && e.button == 0)
{
endDraggingCommentBoxGraphPosition = WindowPositionToGraphPosition(windowMousePosition);
e.Use();
}
//结束新的注释框
if (isCtrlDown && controlType == ControlType.DraggingNewCommentBox && e.type == EventType.MouseUp && e.button == 0)
{
controlType = ControlType.None;
CommentBoxView newCommentBox = new CommentBoxView(this, startDraggingCommentBoxGraphPosition,
endDraggingCommentBoxGraphPosition);
data.CurrentCommentBoxViewList.Add(newCommentBox);
e.Use();
}
//注释框操作
if (data.CurrentCommentBoxViewList.Count > 0 && !hasHoverdNodeInputLabel)
{
for (int i = 0; i < data.CurrentCommentBoxViewList.Count; i++)
{
CommentBoxView commentBoxView = data.CurrentCommentBoxViewList[i];
//右键点击注释框
if (controlType == ControlType.None && e.type == EventType.MouseDown && e.button == 1)
{
if (commentBoxView.Contains(zoomedMousePosition))
{
OpenCommentBoxGenericMenu(commentBoxView, e.mousePosition);
e.Use();
break;
}
}
//拖拽编辑注释区域大小
if (controlType == ControlType.None && (e.type != EventType.Layout || e.type != EventType.Repaint))
{
CommentBoxView.BoxEdge boxEdge = commentBoxView.AtEdge(zoomedMousePosition);
if (boxEdge != CommentBoxView.BoxEdge.None)
{
MouseCursor cursorMode =
(boxEdge == CommentBoxView.BoxEdge.Left || boxEdge == CommentBoxView.BoxEdge.Right)
? MouseCursor.ResizeHorizontal
: MouseCursor.ResizeVertical;
EditorGUIUtility.AddCursorRect(guiRect, cursorMode);
//开始拖拽扩大
if (e.type == EventType.MouseDown && e.button == 0)
{
resizingCommentEdge = boxEdge;
resizingCommentBox = commentBoxView;
controlType = ControlType.ResizingCommentBox;
e.Use();
}
break;
}
}
//双击编辑注释
if ((controlType == ControlType.None || controlType == ControlType.DraggingCommentBox) &&
e.type == EventType.MouseDown && e.button == 0)
{
if (commentBoxView.Contains(zoomedMousePosition))
{
if (lastClickCommentBox == null || lastClickCommentBox != commentBoxView)
{
// Debug.Log("click once");
//一次点击可能是要拖拽了
controlType = ControlType.DraggingCommentBox;
lastClickCommentBox = commentBoxView;
draggingCommentBox = commentBoxView;
lastClickCommentTime = EditorApplication.timeSinceStartup;
e.Use();
break;
}
else if (lastClickCommentBox == commentBoxView)
{
double currentTime = EditorApplication.timeSinceStartup;
if (currentTime - lastClickCommentTime <= 0.3f)
{
// Debug.Log("click twice");
controlType = ControlType.EditingComment;
lastClickCommentBox.EnableEditComment(true);
editingCommentBox = lastClickCommentBox;
lastClickCommentBox = null;
e.Use();
break;
}
else
{
// Debug.Log("click twice failed");
lastClickCommentBox = null;
}
}
}
}
}
}
//右键点击面板
if (e.type == EventType.MouseDown && e.button == 1)
{
OpenGraphGenericMenu(e.mousePosition);
e.Use();
}
//改变注释框大小的时候，改变鼠标图标
if (controlType == ControlType.ResizingCommentBox)
{
MouseCursor cursorMode =
(resizingCommentEdge == CommentBoxView.BoxEdge.Left || resizingCommentEdge == CommentBoxView.BoxEdge.Right)
? MouseCursor.ResizeHorizontal
: MouseCursor.ResizeVertical;
EditorGUIUtility.AddCursorRect(guiRect, cursorMode);
}
//编辑注释框大小
if (controlType == ControlType.ResizingCommentBox && e.type == EventType.MouseDrag && e.button == 0)
{
if (resizingCommentBox != null)
{
if (resizingCommentEdge != CommentBoxView.BoxEdge.None)
{
resizingCommentBox.Resizing(resizingCommentEdge, e.delta / data.GraphZoom);
e.Use();
}
}
}
//停止编辑注释框大小
if (controlType == ControlType.ResizingCommentBox && e.type == EventType.MouseUp && e.button == 0)
{
controlType = ControlType.None;
resizingCommentBox = null;
resizingCommentEdge = CommentBoxView.BoxEdge.None;
e.Use();
}
//拖拽注释框
if (controlType == ControlType.DraggingCommentBox && draggingCommentBox != null && e.type == EventType.MouseDrag &&
e.button == 0)
{
if (draggingCommentBox.Contains(zoomedMousePosition))
{
draggingCommentBox.Drag(data.CurrentNodeList, e.delta / data.GraphZoom);
e.Use();
}
}
//停止拖拽注释框
if (controlType == ControlType.DraggingCommentBox && draggingCommentBox != null && e.type == EventType.MouseUp &&
e.button == 0)
{
draggingCommentBox = null;
controlType = ControlType.None;
e.Use();
}
//停止编辑注释框
if (e.type == EventType.MouseDown)
{
if (controlType == ControlType.EditingComment)
{
if (!editingCommentBox.Contains(zoomedMousePosition))
{
controlType = ControlType.None;
editingCommentBox.EnableEditComment(false);
editingCommentBox = null;
GUI.FocusControl(null);
e.Use();
}
}
else
{
data.ClearSelectedNode();
GUI.FocusControl(null);
}
}
//开始多选框
if (controlType == ControlType.None && e.type == EventType.MouseDrag && e.button == 0)
{
startMultiSelectionPos = e.mousePosition;
controlType = ControlType.DraggingMultiSelection;
e.Use();
}
//更新多选框
if (controlType == ControlType.DraggingMultiSelection)
{
Rect multiSelectionRect = new Rect();
multiSelectionRect.position = NonZoomedWindowPositionToZoomedWindowPosition(startMultiSelectionPos);
multiSelectionRect.max = NonZoomedWindowPositionToZoomedWindowPosition(e.mousePosition);
data.UpdateSelectedNode(multiSelectionRect);
}
//结束多选框
if (controlType == ControlType.DraggingMultiSelection && e.type == EventType.MouseUp && e.button == 0)
{
controlType = ControlType.None;
e.Use();
}
//排除掉鼠标移出去之后，多选框还会继续拖拽的问题
if (!guiRect.Contains(e.mousePosition) && e.type != EventType.Layout && e.type != EventType.Repaint)
{
if (controlType == ControlType.DraggingMultiSelection)
{
controlType = ControlType.None;
e.Use();
}
}
}
