基于NGUI的下拉菜单插件制作9.30

using UnityEngine;
using System.Collections;
using UnityEditor;

public class MYGUI : MonoBehaviour
{
    [MenuItem("MYGUI/Creat/Window")]
    public static void CreatWindow()
    {
        EditorWindow.GetWindow<MyWindow>(true, "MYGUI", true);
    }
}

using UnityEngine;
using System.Collections;
using UnityEditor;

public class MyWindow : EditorWindow
{
    string defaultString = "请选择";
    bool groupEnabled;
    bool myBool = true;
    //float myFloat = 1.23f;
    //下拉按钮数量
    int buttonNum;
    //下拉按钮宽高背景图片深度
    float buttonWidth;
    float buttonHeight;
    SpriteSelector sprite;

    static void Init()
    {

    }

    void OnGUI()
    {
        GUILayout.Label("下拉菜单", EditorStyles.boldLabel);
        defaultString = EditorGUILayout.TextField("默认文字", defaultString);
       
        GUILayout.Label("下拉按钮", EditorStyles.boldLabel);
        buttonNum = EditorGUILayout.IntField("数量", buttonNum);

        GUILayout.Label("背景", EditorStyles.boldLabel);
        GUILayout.BeginHorizontal();
        
        ComponentSelector.Draw<UIAtlas>(NGUISettings.atlas, OnSelectAtlas, GUILayout.Width(140f));
        GUILayout.Label("修改", GUILayout.MinWidth(10000f));
        GUILayout.EndHorizontal();

        //groupEnabled = EditorGUILayout.BeginToggleGroup("设置", groupEnabled);
        //myBool = EditorGUILayout.Toggle("Toggle", myBool);
        //myFloat = EditorGUILayout.Slider("Slider", myFloat, -3, 3);
        //EditorGUILayout.EndToggleGroup();
    }

    void OnSelectAtlas(MonoBehaviour obj)
    {
        NGUISettings.atlas = obj as UIAtlas;
        Repaint();
    }
}