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A simple helper class that generates a Reorderable List in Unity that can be folded out.
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| using UnityEngine; | |
| using UnityEditor; | |
| using UnityEditorInternal; | |
| public static class ReorderableListUtility { | |
| public static ReorderableList GetListWithFoldout(SerializedObject serializedObject, SerializedProperty property, bool draggable, bool displayHeader, bool displayAddButton, bool displayRemoveButton) { | |
| var list = new ReorderableList(serializedObject, property, draggable, displayHeader, displayAddButton, displayRemoveButton); | |
| list.drawHeaderCallback = (Rect rect) => { | |
| var newRect = new Rect(rect.x + 10, rect.y, rect.width-10, rect.height); | |
| property.isExpanded = EditorGUI.Foldout(newRect, property.isExpanded, property.displayName); | |
| }; | |
| list.drawElementCallback = | |
| (Rect rect, int index, bool isActive, bool isFocused) => { | |
| if (!property.isExpanded) { | |
| GUI.enabled = index == list.count; | |
| return; | |
| } | |
| var element = list.serializedProperty.GetArrayElementAtIndex(index); | |
| rect.y += 2; | |
| EditorGUI.ObjectField( new Rect(rect.x, rect.y, rect.width, EditorGUIUtility.singleLineHeight), element, GUIContent.none); | |
| }; | |
| list.elementHeightCallback = (int indexer) => { | |
| if (!property.isExpanded) | |
| return 0; | |
| else | |
| return list.elementHeight; | |
| }; | |
| return list; | |
| } | |
| } |
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