/// <summary>
/// Looking for ports with value Type compatible with a given type.
/// </summary>
/// <param name="nodeType">Node to search</param>
/// <param name="compatibleType">Type to find compatiblities</param>
/// <param name="direction"></param>
/// <returns>True if NodeType has some port with value type compatible</returns>
public static bool HasCompatiblePortType(Type nodeType, Type compatibleType, XNode.NodePort.IO direction = XNode.NodePort.IO.Input)
{
Type findType = typeof(XNode.Node.InputAttribute);
if (direction == XNode.NodePort.IO.Output)
{
findType = typeof(XNode.Node.OutputAttribute);
}
//Get All fields from node type and we go filter only field with portAttribute.
//This way is possible to know the values of the all ports and if have some with compatible value tue
foreach (FieldInfo f in XNode.NodeDataCache.GetNodeFields(nodeType))
{
var portAttribute = f.GetCustomAttributes(findType, false).FirstOrDefault();
if (portAttribute != null)
{
if (IsCastableTo(f.FieldType, compatibleType))
{
return(true);
}
}
}
return(false);
}
/// <summary> Add a port field to previous layout element. </summary>
public static void AddPortField(XNode.NodePort port, XNode.NodePort.IO portDirection = XNode.NodePort.IO.Undefined)
{
if (port == null)
{
return;
}
Rect rect = new Rect();
if (portDirection == XNode.NodePort.IO.Undefined)
{
portDirection = port.direction;
}
// If property is an input, display a regular property field and put a port handle on the left side
if (portDirection == XNode.NodePort.IO.Input)
{
rect = GUILayoutUtility.GetLastRect();
rect.position = rect.position - new Vector2(16, 0);
// If property is an output, display a text label and put a port handle on the right side
}
else if (portDirection == XNode.NodePort.IO.Output)
{
rect = GUILayoutUtility.GetLastRect();
rect.position = rect.position + new Vector2(rect.width, 0);
}
rect.size = new Vector2(16, 16);
Color backgroundColor = new Color32(90, 97, 105, 255);
Color tint;
if (NodeEditorWindow.nodeTint.TryGetValue(port.node.GetType(), out tint))
{
backgroundColor *= tint;
}
Color col = NodeEditorWindow.current.graphEditor.GetTypeColor(port.ValueType);
DrawPortHandle(rect, backgroundColor, col);
// Register the handle position
Vector2 portPos = rect.center;
if (NodeEditor.portPositions.ContainsKey(port))
{
NodeEditor.portPositions[port] = portPos;
}
else
{
NodeEditor.portPositions.Add(port, portPos);
}
}
private static ReorderableList CreateReorderableList(List <XNode.NodePort> instancePorts, SerializedProperty arrayData, Type type, SerializedObject serializedObject, XNode.NodePort.IO io, string label, XNode.ConnectionType connectionType = XNode.ConnectionType.Multiple)
{
bool hasArrayData = arrayData != null && arrayData.isArray;
int arraySize = hasArrayData ? arrayData.arraySize : 0;
var node = serializedObject.targetObject as XNode.INode;
ReorderableList list = new ReorderableList(instancePorts, null, true, true, true, true);
list.drawElementCallback =
(Rect rect, int index, bool isActive, bool isFocused) => {
XNode.NodePort port = node.GetPort(arrayData.name + " " + index);
if (hasArrayData)
{
if (arrayData.arraySize <= index)
{
EditorGUI.LabelField(rect, "Invalid element " + index);
return;
}
SerializedProperty itemData = arrayData.GetArrayElementAtIndex(index);
EditorGUI.PropertyField(rect, itemData);
}
else
{
EditorGUI.LabelField(rect, port.fieldName);
}
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) => {
// Move up
if (rl.index > reorderableListIndex)
{
for (int i = reorderableListIndex; i < rl.index; ++i)
{
XNode.NodePort port = node.GetPort(arrayData.name + " " + i);
XNode.NodePort nextPort = node.GetPort(arrayData.name + " " + (i + 1));
port.SwapConnections(nextPort);
// Swap cached positions to mitigate twitching
Rect rect = NodeEditorWindow.current.portConnectionPoints[port];
NodeEditorWindow.current.portConnectionPoints[port] = NodeEditorWindow.current.portConnectionPoints[nextPort];
NodeEditorWindow.current.portConnectionPoints[nextPort] = rect;
}
}
// Move down
else
{
for (int i = reorderableListIndex; i > rl.index; --i)
{
XNode.NodePort port = node.GetPort(arrayData.name + " " + i);
XNode.NodePort nextPort = node.GetPort(arrayData.name + " " + (i - 1));
port.SwapConnections(nextPort);
// Swap cached positions to mitigate twitching
Rect rect = NodeEditorWindow.current.portConnectionPoints[port];
NodeEditorWindow.current.portConnectionPoints[port] = NodeEditorWindow.current.portConnectionPoints[nextPort];
NodeEditorWindow.current.portConnectionPoints[nextPort] = rect;
}
}
// 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 instance 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.AddInstanceOutput(type, connectionType, newName);
}
else
{
node.AddInstanceInput(type, connectionType, newName);
}
serializedObject.Update();
EditorUtility.SetDirty(node as UnityEngine.Object);
if (hasArrayData)
{
arrayData.InsertArrayElementAtIndex(arraySize);
}
serializedObject.ApplyModifiedProperties();
};
list.onRemoveCallback =
(ReorderableList rl) => {
int index = rl.index;
// Clear the removed ports connections
instancePorts[index].ClearConnections();
// Move following connections one step up to replace the missing connection
for (int k = index + 1; k < instancePorts.Count(); k++)
{
for (int j = 0; j < instancePorts[k].ConnectionCount; j++)
{
XNode.NodePort other = instancePorts[k].GetConnection(j);
instancePorts[k].Disconnect(other);
instancePorts[k - 1].Connect(other);
}
}
// Remove the last instance port, to avoid messing up the indexing
node.RemoveInstancePort(instancePorts[instancePorts.Count() - 1].fieldName);
serializedObject.Update();
EditorUtility.SetDirty(node as UnityEngine.Object);
if (hasArrayData)
{
arrayData.DeleteArrayElementAtIndex(index);
arraySize--;
// Error handling. If the following happens too often, file a bug report at https://github.com/Siccity/xNode/issues
if (instancePorts.Count <= arraySize)
{
while (instancePorts.Count <= arraySize)
{
arrayData.DeleteArrayElementAtIndex(--arraySize);
}
Debug.LogWarning("Array size exceeded instance ports size. Excess items removed.");
}
serializedObject.ApplyModifiedProperties();
serializedObject.Update();
}
};
if (hasArrayData)
{
int instancePortCount = instancePorts.Count;
while (instancePortCount < arraySize)
{
// Add instance 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.AddInstanceOutput(type, connectionType, newName);
}
else
{
node.AddInstanceInput(type, connectionType, newName);
}
EditorUtility.SetDirty(node as UnityEngine.Object);
instancePortCount++;
}
while (arraySize < instancePortCount)
{
arrayData.InsertArrayElementAtIndex(arraySize);
arraySize++;
}
serializedObject.ApplyModifiedProperties();
serializedObject.Update();
}
if (onCreateReorderableList != null)
{
onCreateReorderableList(list);
}
return(list);
}
/// <summary> Draw an editable list of instance 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 instance ports</param>
/// <param name="serializedObject">The serializedObject of the node</param>
/// <param name="connectionType">Connection type of added instance ports</param>
public static void InstancePortList(string fieldName, Type type, SerializedObject serializedObject, XNode.NodePort.IO io, XNode.ConnectionType connectionType = XNode.ConnectionType.Multiple)
{
var node = serializedObject.targetObject as XNode.INode;
SerializedProperty arrayData = serializedObject.FindProperty(fieldName);
Predicate <string> isMatchingInstancePort =
x => {
string[] split = x.Split(' ');
if (split != null && split.Length == 2)
{
return(split[0] == fieldName);
}
else
{
return(false);
}
};
List <XNode.NodePort> instancePorts = node.InstancePorts.Where(x => isMatchingInstancePort(x.fieldName)).OrderBy(x => x.fieldName).ToList();
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)
{
string label = serializedObject.FindProperty(fieldName).displayName;
list = CreateReorderableList(instancePorts, arrayData, type, serializedObject, io, label, connectionType);
if (reorderableListCache.TryGetValue(serializedObject.targetObject, out rlc))
{
rlc.Add(fieldName, list);
}
else
{
reorderableListCache.Add(serializedObject.targetObject, new Dictionary <string, ReorderableList>()
{
{ fieldName, list }
});
}
}
list.list = instancePorts;
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)
{
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) => {
// 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
Rect rect = NodeEditorWindow.current.portConnectionPoints[port];
NodeEditorWindow.current.portConnectionPoints[port] = NodeEditorWindow.current.portConnectionPoints[nextPort];
NodeEditorWindow.current.portConnectionPoints[nextPort] = rect;
}
}
// 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
Rect rect = NodeEditorWindow.current.portConnectionPoints[port];
NodeEditorWindow.current.portConnectionPoints[port] = NodeEditorWindow.current.portConnectionPoints[nextPort];
NodeEditorWindow.current.portConnectionPoints[nextPort] = rect;
}
}
// 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)
{
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);
}
/// <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();
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();
}
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);
}
/// <summary>
/// Add items for the context menu when right-clicking this node.
/// Override to add custom menu items.
/// </summary>
/// <param name="menu"></param>
/// <param name="compatibleType">Use it to filter only nodes with ports value type, compatible with this type</param>
/// <param name="direction">Direction of the compatiblity</param>
public virtual void AddContextMenuItems(GenericMenu menu, Type compatibleType = null, XNode.NodePort.IO direction = XNode.NodePort.IO.Input) {
Vector2 pos = NodeEditorWindow.current.WindowToGridPosition(Event.current.mousePosition);
Type[] nodeTypes = NodeEditorReflection.nodeTypes.OrderBy(type => GetNodeMenuOrder(type)).ToArray();
if (compatibleType != null && NodeEditorPreferences.GetSettings().createFilter) {
nodeTypes = NodeEditorUtilities.GetCompatibleNodesTypes(NodeEditorReflection.nodeTypes, compatibleType, direction).ToArray();
}
for (int i = 0; i < nodeTypes.Length; i++) {
Type type = nodeTypes[i];
//Get node context menu path
string path = GetNodeMenuName(type);
if (string.IsNullOrEmpty(path)) continue;
// Check if user is allowed to add more of given node type
XNode.Node.DisallowMultipleNodesAttribute disallowAttrib;
bool disallowed = false;
if (NodeEditorUtilities.GetAttrib(type, out disallowAttrib)) {
int typeCount = target.nodes.Count(x => x.GetType() == type);
if (typeCount >= disallowAttrib.max) disallowed = true;
}
// Add node entry to context menu
if (disallowed) menu.AddItem(new GUIContent(path), false, null);
else menu.AddItem(new GUIContent(path), false, () => {
XNode.Node node = CreateNode(type, pos);
NodeEditorWindow.current.AutoConnect(node);
});
}
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, () => NodeEditorReflection.OpenPreferences());
menu.AddCustomContextMenuItems(target);
}
/// <summary>
/// Filter only node types that contains some port value type compatible with an given type
/// </summary>
/// <param name="nodeTypes">List with all nodes type to filter</param>
/// <param name="compatibleType">Compatible Type to Filter</param>
/// <returns>Return Only Node Types with ports compatible, or an empty list</returns>
public static List <Type> GetCompatibleNodesTypes(Type[] nodeTypes, Type compatibleType, XNode.NodePort.IO direction = XNode.NodePort.IO.Input)
{
//Result List
List <Type> filteredTypes = new List <Type>();
//Return empty list
if (nodeTypes == null)
{
return(filteredTypes);
}
if (compatibleType == null)
{
return(filteredTypes);
}
//Find compatiblity
foreach (Type findType in nodeTypes)
{
if (HasCompatiblePortType(findType, compatibleType, direction))
{
filteredTypes.Add(findType);
}
}
return(filteredTypes);
}
public override void AddContextMenuItems(GenericMenu menu, Type compatibleType = null, XNode.NodePort.IO direction = XNode.NodePort.IO.Input)
{
base.AddContextMenuItems(menu);
var graph = target as IBrainGraph;
menu.AddSeparator("");
if (graph.IsNodeCollapseModeOn)
{
menu.AddItem(new GUIContent("Disable Node Collapsing"), false, () => graph.DisableNodeCollapse());
}
else
{
menu.AddItem(new GUIContent("Enable Node Collapsing"), false, () => graph.EnableNodeCollapse());
}
}
/// <summary> Draw an editable list of instance 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 instance ports</param>
/// <param name="serializedObject">The serializedObject of the node</param>
/// <param name="connectionType">Connection type of added instance ports</param>
public static void InstancePortList(string fieldName, Type type, SerializedObject serializedObject, XNode.NodePort.IO io, XNode.Node.ConnectionType connectionType = XNode.Node.ConnectionType.Multiple)
{
XNode.Node node = serializedObject.targetObject as XNode.Node;
SerializedProperty arrayData = serializedObject.FindProperty(fieldName);
bool hasArrayData = arrayData != null && arrayData.isArray;
int arraySize = hasArrayData ? arrayData.arraySize : 0;
Predicate <string> isMatchingInstancePort =
x => {
string[] split = x.Split(' ');
if (split != null && split.Length == 2)
{
return(split[0] == fieldName);
}
else
{
return(false);
}
};
List <XNode.NodePort> instancePorts = node.InstancePorts.Where(x => isMatchingInstancePort(x.fieldName)).OrderBy(x => x.fieldName).ToList();
for (int i = 0; i < instancePorts.Count(); i++)
{
GUILayout.BeginHorizontal();
// 'Remove' button
if (GUILayout.Button("-", GUILayout.Width(20)))
{
// Clear the removed ports connections
instancePorts[i].ClearConnections();
// Move following connections one step up to replace the missing connection
for (int k = i + 1; k < instancePorts.Count(); k++)
{
for (int j = 0; j < instancePorts[k].ConnectionCount; j++)
{
XNode.NodePort other = instancePorts[k].GetConnection(j);
instancePorts[k].Disconnect(other);
instancePorts[k - 1].Connect(other);
}
}
// Remove the last instance port, to avoid messing up the indexing
node.RemoveInstancePort(instancePorts[instancePorts.Count() - 1].fieldName);
serializedObject.Update();
EditorUtility.SetDirty(node);
if (hasArrayData)
{
arrayData.DeleteArrayElementAtIndex(i);
arraySize--;
// Error handling. If the following happens too often, file a bug report at https://github.com/Siccity/xNode/issues
if (instancePorts.Count <= arraySize)
{
while (instancePorts.Count <= arraySize)
{
arrayData.DeleteArrayElementAtIndex(--arraySize);
}
Debug.LogWarning("Array size exceeded instance ports size. Excess items removed.");
}
serializedObject.ApplyModifiedProperties();
serializedObject.Update();
}
i--;
GUILayout.EndHorizontal();
}
else
{
if (hasArrayData)
{
if (i < arraySize)
{
SerializedProperty itemData = arrayData.GetArrayElementAtIndex(i);
if (itemData != null)
{
EditorGUILayout.PropertyField(itemData, new GUIContent(ObjectNames.NicifyVariableName(fieldName) + " " + i), true);
}
else
{
EditorGUILayout.LabelField("[Missing array data]");
}
}
else
{
EditorGUILayout.LabelField("[Out of bounds]");
}
}
else
{
EditorGUILayout.LabelField(instancePorts[i].fieldName);
}
GUILayout.EndHorizontal();
NodeEditorGUILayout.AddPortField(node.GetPort(instancePorts[i].fieldName));
}
// GUILayout.EndHorizontal();
}
GUILayout.BeginHorizontal();
GUILayout.FlexibleSpace();
// 'Add' button
if (GUILayout.Button("+", GUILayout.Width(20)))
{
string newName = fieldName + " 0";
int i = 0;
while (node.HasPort(newName))
{
newName = fieldName + " " + (++i);
}
if (io == XNode.NodePort.IO.Output)
{
node.AddInstanceOutput(type, connectionType, newName);
}
else
{
node.AddInstanceInput(type, connectionType, newName);
}
serializedObject.Update();
EditorUtility.SetDirty(node);
if (hasArrayData)
{
arrayData.InsertArrayElementAtIndex(arraySize);
}
serializedObject.ApplyModifiedProperties();
}
GUILayout.EndHorizontal();
}