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Merge pull request #154 from nostek/feature/copypaste

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Added support for copy paste
This commit is contained in:
Thor Brigsted 2019-06-18 23:04:42 +02:00 committed by GitHub
commit 0553dc8894
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3 changed files with 59 additions and 26 deletions
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1
Scripts/Editor/NodeEditor.cs
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@ -73,6 +73,7 @@ namespace XNodeEditor {
}
// Add actions to any number of selected nodes
menu.AddItem(new GUIContent("Copy"), false, NodeEditorWindow.current.CopySelectedNodes);
menu.AddItem(new GUIContent("Duplicate"), false, NodeEditorWindow.current.DuplicateSelectedNodes);
menu.AddItem(new GUIContent("Remove"), false, NodeEditorWindow.current.RemoveSelectedNodes);

82
Scripts/Editor/NodeEditorAction.cs
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@ -11,6 +11,8 @@ namespace XNodeEditor {
public static bool isPanning { get; private set; }
public static Vector2[] dragOffset;
public static XNode.Node[] copyBuffer = null;
private bool IsDraggingPort { get { return draggedOutput != null; } }
private bool IsHoveringPort { get { return hoveredPort != null; } }
private bool IsHoveringNode { get { return hoveredNode != null; } }
@ -27,6 +29,7 @@ namespace XNodeEditor {
private RerouteReference[] preBoxSelectionReroute;
private Rect selectionBox;
private bool isDoubleClick = false;
private Vector2 lastMousePosition;
private struct RerouteReference {
public XNode.NodePort port;
@ -50,6 +53,8 @@ namespace XNodeEditor {
Event e = Event.current;
switch (e.type) {
case EventType.MouseMove:
//Keyboard commands will not get correct mouse position from Event
lastMousePosition = e.mousePosition;
break;
case EventType.ScrollWheel:
float oldZoom = zoom;
@ -303,6 +308,12 @@ namespace XNodeEditor {
} else if (e.commandName == "Duplicate") {
if (e.type == EventType.ExecuteCommand) DuplicateSelectedNodes();
e.Use();
} else if (e.commandName == "Copy") {
if (e.type == EventType.ExecuteCommand) CopySelectedNodes();
e.Use();
} else if (e.commandName == "Paste") {
if (e.type == EventType.ExecuteCommand) PasteNodes(WindowToGridPosition(lastMousePosition));
e.Use();
}
Repaint();
break;
@ -386,41 +397,60 @@ namespace XNodeEditor {
/// <summary> Duplicate selected nodes and select the duplicates </summary>
public void DuplicateSelectedNodes() {
UnityEngine.Object[] newNodes = new UnityEngine.Object[Selection.objects.Length];
// Get selected nodes which are part of this graph
XNode.Node[] selectedNodes = Selection.objects.Select(x => x as XNode.Node).Where(x => x != null && x.graph == graph).ToArray();
// Get top left node position
Vector2 topLeftNode = selectedNodes.Select(x => x.position).Aggregate((x, y) => new Vector2(Mathf.Min(x.x, y.x), Mathf.Min(x.y, y.y)));
InsertDuplicateNodes(selectedNodes, topLeftNode + new Vector2(30, 30));
}
public void CopySelectedNodes() {
copyBuffer = Selection.objects.Select(x => x as XNode.Node).Where(x => x != null && x.graph == graph).ToArray();
}
public void PasteNodes(Vector2 pos) {
InsertDuplicateNodes(copyBuffer, pos);
}
private void InsertDuplicateNodes(XNode.Node[] nodes, Vector2 topLeft) {
if (nodes == null || nodes.Length == 0) return;
// Get top-left node
Vector2 topLeftNode = nodes.Select(x => x.position).Aggregate((x, y) => new Vector2(Mathf.Min(x.x, y.x), Mathf.Min(x.y, y.y)));
Vector2 offset = topLeft - topLeftNode;
UnityEngine.Object[] newNodes = new UnityEngine.Object[nodes.Length];
Dictionary<XNode.Node, XNode.Node> substitutes = new Dictionary<XNode.Node, XNode.Node>();
for (int i = 0; i < Selection.objects.Length; i++) {
if (Selection.objects[i] is XNode.Node) {
XNode.Node srcNode = Selection.objects[i] as XNode.Node;
if (srcNode.graph != graph) continue; // ignore nodes selected in another graph
XNode.Node newNode = graphEditor.CopyNode(srcNode);
substitutes.Add(srcNode, newNode);
newNode.position = srcNode.position + new Vector2(30, 30);
newNodes[i] = newNode;
}
for (int i = 0; i < nodes.Length; i++) {
XNode.Node srcNode = nodes[i];
if (srcNode == null) continue;
XNode.Node newNode = graphEditor.CopyNode(srcNode);
substitutes.Add(srcNode, newNode);
newNode.position = srcNode.position + offset;
newNodes[i] = newNode;
}
// Walk through the selected nodes again, recreate connections, using the new nodes
for (int i = 0; i < Selection.objects.Length; i++) {
if (Selection.objects[i] is XNode.Node) {
XNode.Node srcNode = Selection.objects[i] as XNode.Node;
if (srcNode.graph != graph) continue; // ignore nodes selected in another graph
foreach (XNode.NodePort port in srcNode.Ports) {
for (int c = 0; c < port.ConnectionCount; c++) {
XNode.NodePort inputPort = port.direction == XNode.NodePort.IO.Input ? port : port.GetConnection(c);
XNode.NodePort outputPort = port.direction == XNode.NodePort.IO.Output ? port : port.GetConnection(c);
for (int i = 0; i < nodes.Length; i++) {
XNode.Node srcNode = nodes[i];
if (srcNode == null) continue;
foreach (XNode.NodePort port in srcNode.Ports) {
for (int c = 0; c < port.ConnectionCount; c++) {
XNode.NodePort inputPort = port.direction == XNode.NodePort.IO.Input ? port : port.GetConnection(c);
XNode.NodePort outputPort = port.direction == XNode.NodePort.IO.Output ? port : port.GetConnection(c);
XNode.Node newNodeIn, newNodeOut;
if (substitutes.TryGetValue(inputPort.node, out newNodeIn) && substitutes.TryGetValue(outputPort.node, out newNodeOut)) {
newNodeIn.UpdateStaticPorts();
newNodeOut.UpdateStaticPorts();
inputPort = newNodeIn.GetInputPort(inputPort.fieldName);
outputPort = newNodeOut.GetOutputPort(outputPort.fieldName);
}
if (!inputPort.IsConnectedTo(outputPort)) inputPort.Connect(outputPort);
XNode.Node newNodeIn, newNodeOut;
if (substitutes.TryGetValue(inputPort.node, out newNodeIn) && substitutes.TryGetValue(outputPort.node, out newNodeOut)) {
newNodeIn.UpdateStaticPorts();
newNodeOut.UpdateStaticPorts();
inputPort = newNodeIn.GetInputPort(inputPort.fieldName);
outputPort = newNodeOut.GetOutputPort(outputPort.fieldName);
}
if (!inputPort.IsConnectedTo(outputPort)) inputPort.Connect(outputPort);
}
}
}
// Select the new nodes
Selection.objects = newNodes;
}

2
Scripts/Editor/NodeGraphEditor.cs
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@ -56,6 +56,8 @@ namespace XNodeEditor {
});
}
menu.AddSeparator("");
if (NodeEditorWindow.copyBuffer != null && NodeEditorWindow.copyBuffer.Length > 0) menu.AddItem(new GUIContent("Paste"), false, () => NodeEditorWindow.current.PasteNodes(pos));
else menu.AddDisabledItem(new GUIContent("Paste"));
menu.AddItem(new GUIContent("Preferences"), false, () => NodeEditorWindow.OpenPreferences());
NodeEditorWindow.AddCustomContextMenuItems(menu, target);
}