void OnGUI() { GUILayout.Space(20); GUILayout.BeginHorizontal(); GUILayout.BeginVertical(); EditorGUILayout.LabelField("Create new graph:", EditorStyles.label); graphName = EditorGUILayout.TextField("Enter name:", graphName); GUILayout.Space(10); GUILayout.BeginHorizontal(); if (GUILayout.Button("Create Graph", GUILayout.Height(40))) { if (!string.IsNullOrEmpty(graphName) && graphName != "Enter a name ...") { NodeUtils.CreateGraph(graphName); currentPopup.Close(); } else { EditorUtility.DisplayDialog("Node Message:", "Please enter a valid graph name", "OK"); } } if (GUILayout.Button("Cancel", GUILayout.Height(40))) { currentPopup.Close(); } GUILayout.EndHorizontal(); GUILayout.EndVertical(); GUILayout.Space(20); GUILayout.Space(20); GUILayout.EndHorizontal(); GUILayout.Space(20); }