Store the corresponding path by dragging the prefab

 1 using UnityEngine; 2 using System.Collections; 3 using UnityEditor; 4 using System.Reflection; 5  6 [CustomPropertyDrawer(typeof(ObjectToPathAttribute))] 7 public class ObjectToPathDrawer : PropertyDrawer 8 { 9     Object _obj = null;10 11     public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)12     {13         Object target = property.serializedObject.targetObject;14         FieldInfo fi = target.GetType().GetField(property.name);15 16         string path = string.Empty;17         EditorGUI.LabelField(position, label);18         position.x += EditorGUIUtility.labelWidth * 2.0f / 3.0f;19         if (_obj == null)20         {21             path = fi.GetValue(target).ToString();22             if (!string.IsNullOrEmpty(path))23             {24                 _obj = AssetDatabase.LoadMainAssetAtPath(path);25             }26             _obj = EditorGUI.ObjectField(position, _obj, typeof(GameObject), false);27         }28         else29         {30             _obj = EditorGUI.ObjectField(position, _obj, typeof(GameObject), false);31             path = AssetDatabase.GetAssetPath(_obj);32             fi.SetValue(target, path);33         }34 35         position.x += EditorGUIUtility.labelWidth * 2.0f / 3.0f;36         EditorGUI.TextField(position, path);37     }38 }

Objecttopathdrawer

 

public class ObjectToPathAttribute : PropertyAttribute{    public string _input;    public ObjectToPathAttribute(string matchineName)    {        _input = matchineName;    }}

Objecttopathattribute

using UnityEngine;using System.Collections;public class UITest: MonoBehaviour{    [ObjectToPath("UITest)]    public string _itemPerfabPath;    // Use this for initialization    void Start () {        }        // Update is called once per frame    void Update () {        }}

With the above code, you can drag and drop a prefab to store the corresponding path directly to the Public String _ itemperfabpath, eliminating the need for keyboard input steps. As follows:

When prefab is empty, the following statements are displayed:

Store the corresponding path by dragging the prefab