/// <summary> Draws standard field editors for all public fields </summary>
        public virtual void OnBodyGUI()
        {
            // Unity specifically requires this to save/update any serial object.
            // serializedObject.Update(); must go at the start of an inspector gui, and
            // serializedObject.ApplyModifiedProperties(); goes at the end.
            serializedObject.Update();
            string[] excludes = { "m_Script", "graph", "position", "ports" };

            EditorUtility.SetDirty(target);
            NodeEditorGUILayout.AddPortField(target.GetInputPort("PreviousNode"));
            NodeEditorGUILayout.AddPortField(target.GetOutputPort("NextNode"));

            // Iterate through serialized properties and draw them like the Inspector (But with ports)
            SerializedProperty iterator = serializedObject.GetIterator();
            bool enterChildren          = true;

            EditorGUIUtility.labelWidth = 130;
            while (iterator.NextVisible(enterChildren))
            {
                enterChildren = false;
                if (excludes.Contains(iterator.name))
                {
                    continue;
                }
                NodeEditorGUILayout.PropertyField(iterator, true);
            }

            // Iterate through dynamic ports and draw them in the order in which they are serialized
            foreach (XNode.NodePort dynamicPort in target.DynamicPorts)
            {
                if (NodeEditorGUILayout.IsDynamicPortListPort(dynamicPort))
                {
                    continue;
                }
                NodeEditorGUILayout.PortField(dynamicPort);
            }

            serializedObject.ApplyModifiedProperties();
        }
Example #2
0
        /// <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();
        }