Delegate ReorderableListControl.DrawEmpty

Invoked to draw content for empty list.

Namespace: Unity.VisualScripting.ReorderableList
Syntax
public delegate void DrawEmpty();
Remarks

Callback should make use of GUILayout to present controls.

Examples

The following listing displays a label for empty list control:

using Unity.VisualScripting.Dependencies.ReorderableList;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;

public class ExampleWindow : EditorWindow {
private List<string> _list;

private void OnEnable() {
    _list = new List<string>();
}
private void OnGUI() {
    ReorderableListGUI.ListField(_list, ReorderableListGUI.TextFieldItemDrawer, DrawEmptyMessage);
}

private string DrawEmptyMessage() {
    GUILayout.Label("List is empty!", EditorStyles.miniLabel);
}
}
import Rotorz.ReorderableList;
import System.Collections.Generic;

class ExampleWindow extends EditorWindow {
private var _list:List.<String>;

function OnEnable() {
    _list = new List.<String>();
}
function OnGUI() {
    ReorderableListGUI.ListField(_list, ReorderableListGUI.TextFieldItemDrawer, DrawEmptyMessage);
}

function DrawEmptyMessage() {
    GUILayout.Label('List is empty!', EditorStyles.miniLabel);
}
}

Extension Methods