EditorGUI.Foldout

Parameters

Returns

bool Состояние, выбранное пользователем. Если true, вы должны отрисовать дочерние элементы.

Description

Makes a label with a foldout arrow to the left of it.

Это удобно для создания структур наподобие дерева или папок, где дочерние элементы отображаются, только если раскрыт родительский элемент.


Foldout in an Editor Window.

using UnityEditor;
using UnityEngine;
using System.Collections;

// Create a foldable menu that hides/shows the selected transform position.
// if no Transform is selected, the Foldout item will be folded until a transform is selected.
public class EditorGUIFoldout : EditorWindow
{
    public bool showPosition = true;
    public string status = "Select a GameObject";
    [MenuItem("Examples/Foldout Usage")]
    static void Init()
    {
        UnityEditor.EditorWindow window = GetWindow(typeof(EditorGUIFoldout));
        window.position = new Rect(0, 0, 150, 60);
        window.Show();
    }

    void OnGUI()
    {
        showPosition = EditorGUI.Foldout(new Rect(3, 3, position.width - 6, 15), showPosition, status);
        if (showPosition)
            if (Selection.activeTransform)
            {
                Selection.activeTransform.position = EditorGUI.Vector3Field(new Rect(3, 25, position.width - 6, 40), "Position", Selection.activeTransform.position);
                status = Selection.activeTransform.name;
            }

        if (!Selection.activeTransform)
        {
            status = "Select a GameObject";
            showPosition = false;
        }
    }

    void OnInspectorUpdate()
    {
        Repaint();
    }
}