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(); } } }