/// <summary> Draw an editable list of dynamic ports. Port names are named as "[fieldName] [index]" </summary>
/// <param name="fieldName">Supply a list for editable values</param>
/// <param name="type">Value type of added dynamic ports</param>
/// <param name="serializedObject">The serializedObject of the node</param>
/// <param name="connectionType">Connection type of added dynamic ports</param>
/// <param name="onCreation">Called on the list on creation. Use this if you want to customize the created ReorderableList</param>
public static void DynamicPortList(string fieldName, Type type, SerializedObject serializedObject, xNode.NodePort.IO io, xNode.Node.ConnectionType connectionType = xNode.Node.ConnectionType.Multiple, xNode.Node.TypeConstraint typeConstraint = xNode.Node.TypeConstraint.None, Action <ReorderableList> onCreation = null)
{
xNode.Node node = serializedObject.targetObject as xNode.Node;
var indexedPorts = node.DynamicPorts.Select(x => {
string[] split = x.fieldName.Split(' ');
if (split != null && split.Length == 2 && split[0] == fieldName)
{
int i = -1;
if (int.TryParse(split[1], out i))
{
return(new { index = i, port = x });
}
}
return(new { index = -1, port = (xNode.NodePort)null });
}).Where(x => x.port != null);
List <xNode.NodePort> dynamicPorts = indexedPorts.OrderBy(x => x.index).Select(x => x.port).ToList();
node.UpdatePorts();
ReorderableList list = null;
Dictionary <string, ReorderableList> rlc;
if (reorderableListCache.TryGetValue(serializedObject.targetObject, out rlc))
{
if (!rlc.TryGetValue(fieldName, out list))
{
list = null;
}
}
// If a ReorderableList isn't cached for this array, do so.
if (list == null)
{
SerializedProperty arrayData = serializedObject.FindProperty(fieldName);
list = CreateReorderableList(fieldName, dynamicPorts, arrayData, type, serializedObject, io, connectionType, typeConstraint, onCreation);
if (reorderableListCache.TryGetValue(serializedObject.targetObject, out rlc))
{
rlc.Add(fieldName, list);
}
else
{
reorderableListCache.Add(serializedObject.targetObject, new Dictionary <string, ReorderableList>()
{
{ fieldName, list }
});
}
}
list.list = dynamicPorts;
list.DoLayoutList();
}
private static ReorderableList CreateReorderableList(string fieldName, List <xNode.NodePort> dynamicPorts, SerializedProperty arrayData, Type type, SerializedObject serializedObject, xNode.NodePort.IO io, xNode.Node.ConnectionType connectionType, xNode.Node.TypeConstraint typeConstraint, Action <ReorderableList> onCreation)
{
bool hasArrayData = arrayData != null && arrayData.isArray;
xNode.Node node = serializedObject.targetObject as xNode.Node;
ReorderableList list = new ReorderableList(dynamicPorts, null, true, true, true, true);
string label = arrayData != null ? arrayData.displayName : ObjectNames.NicifyVariableName(fieldName);
list.drawElementCallback =
(Rect rect, int index, bool isActive, bool isFocused) => {
xNode.NodePort port = node.GetPort(fieldName + " " + index);
if (hasArrayData && arrayData.propertyType != SerializedPropertyType.String)
{
if (arrayData.arraySize <= index)
{
EditorGUI.LabelField(rect, "Array[" + index + "] data out of range");
return;
}
SerializedProperty itemData = arrayData.GetArrayElementAtIndex(index);
EditorGUI.PropertyField(rect, itemData, true);
}
else
{
EditorGUI.LabelField(rect, port != null ? port.fieldName : "");
}
if (port != null)
{
Vector2 pos = rect.position + (port.IsOutput ? new Vector2(rect.width + 6, 0) : new Vector2(-36, 0));
NodeEditorGUILayout.PortField(pos, port);
}
};
list.elementHeightCallback =
(int index) => {
if (hasArrayData)
{
if (arrayData.arraySize <= index)
{
return(EditorGUIUtility.singleLineHeight);
}
SerializedProperty itemData = arrayData.GetArrayElementAtIndex(index);
return(EditorGUI.GetPropertyHeight(itemData));
}
else
{
return(EditorGUIUtility.singleLineHeight);
}
};
list.drawHeaderCallback =
(Rect rect) => {
EditorGUI.LabelField(rect, label);
};
list.onSelectCallback =
(ReorderableList rl) => {
reorderableListIndex = rl.index;
};
list.onReorderCallback =
(ReorderableList rl) => {
bool hasRect = false;
bool hasNewRect = false;
Rect rect = Rect.zero;
Rect newRect = Rect.zero;
// Move up
if (rl.index > reorderableListIndex)
{
for (int i = reorderableListIndex; i < rl.index; ++i)
{
xNode.NodePort port = node.GetPort(fieldName + " " + i);
xNode.NodePort nextPort = node.GetPort(fieldName + " " + (i + 1));
port.SwapConnections(nextPort);
// Swap cached positions to mitigate twitching
hasRect = NodeEditorWindow.current.portConnectionPoints.TryGetValue(port, out rect);
hasNewRect = NodeEditorWindow.current.portConnectionPoints.TryGetValue(nextPort, out newRect);
NodeEditorWindow.current.portConnectionPoints[port] = hasNewRect ? newRect : rect;
NodeEditorWindow.current.portConnectionPoints[nextPort] = hasRect ? rect : newRect;
}
}
// Move down
else
{
for (int i = reorderableListIndex; i > rl.index; --i)
{
xNode.NodePort port = node.GetPort(fieldName + " " + i);
xNode.NodePort nextPort = node.GetPort(fieldName + " " + (i - 1));
port.SwapConnections(nextPort);
// Swap cached positions to mitigate twitching
hasRect = NodeEditorWindow.current.portConnectionPoints.TryGetValue(port, out rect);
hasNewRect = NodeEditorWindow.current.portConnectionPoints.TryGetValue(nextPort, out newRect);
NodeEditorWindow.current.portConnectionPoints[port] = hasNewRect ? newRect : rect;
NodeEditorWindow.current.portConnectionPoints[nextPort] = hasRect ? rect : newRect;
}
}
// Apply changes
serializedObject.ApplyModifiedProperties();
serializedObject.Update();
// Move array data if there is any
if (hasArrayData)
{
arrayData.MoveArrayElement(reorderableListIndex, rl.index);
}
// Apply changes
serializedObject.ApplyModifiedProperties();
serializedObject.Update();
NodeEditorWindow.current.Repaint();
EditorApplication.delayCall += NodeEditorWindow.current.Repaint;
};
list.onAddCallback =
(ReorderableList rl) => {
// Add dynamic port postfixed with an index number
string newName = fieldName + " 0";
int i = 0;
while (node.HasPort(newName))
{
newName = fieldName + " " + (++i);
}
if (io == xNode.NodePort.IO.Output)
{
node.AddDynamicOutput(type, connectionType, xNode.Node.TypeConstraint.None, newName);
}
else
{
node.AddDynamicInput(type, connectionType, typeConstraint, newName);
}
serializedObject.Update();
EditorUtility.SetDirty(node);
if (hasArrayData)
{
arrayData.InsertArrayElementAtIndex(arrayData.arraySize);
}
serializedObject.ApplyModifiedProperties();
};
list.onRemoveCallback =
(ReorderableList rl) => {
var indexedPorts = node.DynamicPorts.Select(x => {
string[] split = x.fieldName.Split(' ');
if (split != null && split.Length == 2 && split[0] == fieldName)
{
int i = -1;
if (int.TryParse(split[1], out i))
{
return(new { index = i, port = x });
}
}
return(new { index = -1, port = (xNode.NodePort)null });
}).Where(x => x.port != null);
dynamicPorts = indexedPorts.OrderBy(x => x.index).Select(x => x.port).ToList();
int index = rl.index;
if (dynamicPorts[index] == null)
{
Debug.LogWarning("No port found at index " + index + " - Skipped");
}
else if (dynamicPorts.Count <= index)
{
Debug.LogWarning("DynamicPorts[" + index + "] out of range. Length was " + dynamicPorts.Count + " - Skipped");
}
else
{
// Clear the removed ports connections
dynamicPorts[index].ClearConnections();
// Move following connections one step up to replace the missing connection
for (int k = index + 1; k < dynamicPorts.Count(); k++)
{
for (int j = 0; j < dynamicPorts[k].ConnectionCount; j++)
{
xNode.NodePort other = dynamicPorts[k].GetConnection(j);
dynamicPorts[k].Disconnect(other);
dynamicPorts[k - 1].Connect(other);
}
}
// Remove the last dynamic port, to avoid messing up the indexing
node.RemoveDynamicPort(dynamicPorts[dynamicPorts.Count() - 1].fieldName);
serializedObject.Update();
EditorUtility.SetDirty(node);
}
if (hasArrayData && arrayData.propertyType != SerializedPropertyType.String)
{
if (arrayData.arraySize <= index)
{
Debug.LogWarning("Attempted to remove array index " + index + " where only " + arrayData.arraySize + " exist - Skipped");
Debug.Log(rl.list[0]);
return;
}
arrayData.DeleteArrayElementAtIndex(index);
// Error handling. If the following happens too often, file a bug report at https://github.com/Siccity/xNode/issues
if (dynamicPorts.Count <= arrayData.arraySize)
{
while (dynamicPorts.Count <= arrayData.arraySize)
{
arrayData.DeleteArrayElementAtIndex(arrayData.arraySize - 1);
}
UnityEngine.Debug.LogWarning("Array size exceeded dynamic ports size. Excess items removed.");
}
serializedObject.ApplyModifiedProperties();
serializedObject.Update();
}
};
if (hasArrayData)
{
int dynamicPortCount = dynamicPorts.Count;
while (dynamicPortCount < arrayData.arraySize)
{
// Add dynamic port postfixed with an index number
string newName = arrayData.name + " 0";
int i = 0;
while (node.HasPort(newName))
{
newName = arrayData.name + " " + (++i);
}
if (io == xNode.NodePort.IO.Output)
{
node.AddDynamicOutput(type, connectionType, typeConstraint, newName);
}
else
{
node.AddDynamicInput(type, connectionType, typeConstraint, newName);
}
EditorUtility.SetDirty(node);
dynamicPortCount++;
}
while (arrayData.arraySize < dynamicPortCount)
{
arrayData.InsertArrayElementAtIndex(arrayData.arraySize);
}
serializedObject.ApplyModifiedProperties();
serializedObject.Update();
}
if (onCreation != null)
{
onCreation(list);
}
return(list);
}
public static void InstancePortList(string fieldName, Type type, SerializedObject serializedObject, xNode.NodePort.IO io, xNode.Node.ConnectionType connectionType = xNode.Node.ConnectionType.Multiple, xNode.Node.TypeConstraint typeConstraint = xNode.Node.TypeConstraint.None, Action <ReorderableList> onCreation = null)
{
DynamicPortList(fieldName, type, serializedObject, io, connectionType, typeConstraint, onCreation);
}
