Value Dropdown Attribute特性用于任何屬性悯仙，并使用可配置選項創(chuàng)建下拉列表顾患。使用此選項可為用戶提供一組特定的選項供您選擇。
也就是創(chuàng)建一些特殊的下拉條
這個里面的屬性就有點多了，達(dá)到了16個Ｕ跫怼！睛挚！
下面筆者逐個講解
MemberName,也是唯一一個有參構(gòu)造函數(shù)需要的屬性邪蛔，有兩種形式的Drop下拉條，一種是直接數(shù)值的扎狱，另一種是Key-Value形式的
/*【MemberName】*/
[PropertySpace(40, 0)]
[ValueDropdown("TextureSizes")]
public int SomeSize1;
private static int[] TextureSizes = new int[] { 32, 64, 128, 256, 512, 1024, 2048, 4096 };
[ValueDropdown("FriendlyTextureSizes")]
public int SomeSize2;
private static IEnumerable FriendlyTextureSizes = new ValueDropdownList<int>()
{
{ "Small", 256 },
{ "Medium", 512 },
{ "Large", 1024 },
};
【SortDropdownItems】默認(rèn)為false 開啟后為下拉列表為根據(jù)Key升序排序
/*【SortDropdownItems】默認(rèn)為false 開啟后為下拉列表為根據(jù)Key升序排序*/
[PropertySpace(40, 0)]
[ValueDropdown("SortList1")]
public int SomeSize3;
private IEnumerable SortList1 = new ValueDropdownList<int>()
{
{ "Small", 256 },
{ "Medium", 512 },
{ "Large", 1024 },
{ "A", 128 },
};
[PropertySpace(0, 40)]
[ValueDropdown("SortList2", SortDropdownItems = true)]
public int SomeSize4;
private List<ValueDropdownItem<int>> SortList2 = new ValueDropdownList<int>()
{
{ "Small", 256 },
{ "Medium", 512 },
{ "Large", 1024 },
{ "A", 128 },
};
【DropdownTitle】給下來條提供一個標(biāo)題
[PropertySpace(0, 40)]
[ValueDropdown("TextureSizes", DropdownTitle = "下拉條標(biāo)題")]
public int SomeSize5;
【DropdownHeight】下拉條高度
/*【DropdownHeight】下拉條高度*/
[PropertySpace(0, 40)]
[ValueDropdown("TextureSizes", DropdownHeight = 80)]
public int SomeSize6;
【DropdownWidth】下拉條的寬度
/*【DropdownWidth】下拉條的寬度*/
[PropertySpace(0, 40)]
[ValueDropdown("TextureSizes", DropdownWidth = 100)]
public int SomeSize7;
【FlattenTreeView】是否使用平鋪的樹形視圖
/*【FlattenTreeView】是否使用平鋪的樹形視圖*/
[PropertySpace(0, 40)]
[ValueDropdown("TreeViewOfInts", FlattenTreeView = true)]//默認(rèn)為false侧到，如果設(shè)置為true則禁用樹形結(jié)構(gòu)使用平鋪模式
public int SomeSize8;
【DoubleClickToConfirm】需要雙擊才能確地選中的內(nèi)容
/*【DoubleClickToConfirm】需要雙擊才能確地選中的內(nèi)容*/
[PropertySpace(0, 40)]
[ValueDropdown("TreeViewOfInts", DoubleClickToConfirm = true)]//需要雙擊才能選中
public int SomeSize9;
【HideChildProperties】是否隱藏此類型所含有的屬性信息
/*【HideChildProperties】是否隱藏此類型所含有的屬性信息*/
[ValueDropdown("RangVector3", HideChildProperties = true)]//
public Vector3 vector3HideChildProperties;
[PropertySpace(0, 40)]
[ValueDropdown("RangVector3", HideChildProperties = false)]//
public Vector3 vector3ShowChildProperties;
public IEnumerable<Vector3> RangVector3()
{
return Enumerable.Range(0, 10).Select(i => new Vector3(i, i, i));
}
【AppendNextDrawer】下拉條變成一個小的選擇器，代替原有的寬型下拉條
/*【AppendNextDrawer】下拉條變成一個小的選擇器淤击，代替原有的寬型下拉條*/
[PropertySpace(0, 40)]
[ValueDropdown("TreeViewOfInts", AppendNextDrawer = true)]//
public int SomeSize11;
【DisableGUIInAppendedDrawer】配合AppendNextDrawer使用匠抗，顯示的數(shù)值為灰度狀態(tài)，達(dá)到不可更改數(shù)值的目的
/*【DisableGUIInAppendedDrawer】配合AppendNextDrawer使用污抬，顯示的數(shù)值為灰度狀態(tài)汞贸，達(dá)到不可更改數(shù)值的目的*/
[PropertySpace(0, 40)]
[ValueDropdown("TreeViewOfInts", AppendNextDrawer = true, DisableGUIInAppendedDrawer = true)]//
public int SomeSize12;
【ExpandAllMenuItems】下拉條里面的條目是否全部展開
/*【ExpandAllMenuItems】下拉條里面的條目是否全部展開*/
[ValueDropdown("TreeViewOfInts" , ExpandAllMenuItems = false)]//
public int SomeSize13;
[PropertySpace(0, 40)]
[ValueDropdown("TreeViewOfInts", ExpandAllMenuItems =true )]//
public int SomeSize14;
【IsUniqueList】在添加的列表Item前面添加勾選框，可以一次性勾選多個Item并添加
/*【IsUniqueList】在添加的列表Item前面添加勾選框印机，可以一次性勾選多個Item并添加*/
[ValueDropdown("GetAllSceneObjects", IsUniqueList = false)]
public List<GameObject> UniqueGameobjectList0;
[PropertySpace(0, 40)]
[ValueDropdown("GetAllSceneObjects", IsUniqueList = true)]
public List<GameObject> UniqueGameobjectList1;
【ExcludeExistingValuesInList】添加列中不會顯示已經(jīng)選中的Item
/*【ExcludeExistingValuesInList】添加列中不會顯示已經(jīng)選中的Item*/
[ValueDropdown("GetAllSceneObjects")]
public List<GameObject> UniqueGameobjectList2;
[PropertySpace(0, 40)]
[ValueDropdown("GetAllSceneObjects", ExcludeExistingValuesInList = true)]
public List<GameObject> UniqueGameobjectList3;
【DisableListAddButtonBehaviour】禁用下拉列表矢腻，以彈窗的形式彈出
/*【DisableListAddButtonBehaviour】禁用下拉列表，以彈窗的形式彈出*/
[PropertySpace(0, 40)]
[ValueDropdown("GetAllSceneObjects", DisableListAddButtonBehaviour = true, IsUniqueList = true)]
public List<GameObject> UniqueGameobjectList4;
【DrawDropdownForListElements】已經(jīng)添加的Item不會再出現(xiàn)Item下拉表
/*【DrawDropdownForListElements】已經(jīng)添加的Item不會再出現(xiàn)Item下拉表*/
[PropertySpace(0, 40)]
[ValueDropdown("GetAllSceneObjects", DrawDropdownForListElements = false)]
public List<GameObject> UniqueGameobjectList5;
【NumberOfItemsBeforeEnablingSearch】查過指定數(shù)量的Item則出現(xiàn)搜索框耳贬。默認(rèn)是10踏堡。
/*【NumberOfItemsBeforeEnablingSearch】查過指定數(shù)量的Item則出現(xiàn)搜索框。默認(rèn)是10咒劲。*/
[ValueDropdown("GetAllSceneObjects", NumberOfItemsBeforeEnablingSearch =200)]
public List<GameObject> UniqueGameobjectList6;
[PropertySpace(0, 40)]
[ValueDropdown("GetAllSceneObjects", NumberOfItemsBeforeEnablingSearch = 20)]
public List<GameObject> UniqueGameobjectList7;
示例完整代碼（含有一些其他輔助性功能代碼）
using Sirenix.OdinInspector;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
public class ValueDropdownAttributeExample : MonoBehaviour
{
/*【MemberName】*/
[PropertySpace(40, 0)]
[ValueDropdown("TextureSizes")]
public int SomeSize1;
private static int[] TextureSizes = new int[] { 32, 64, 128, 256, 512, 1024, 2048, 4096 };
[ValueDropdown("FriendlyTextureSizes")]
public int SomeSize2;
private static IEnumerable FriendlyTextureSizes = new ValueDropdownList<int>()
{
{ "Small", 256 },
{ "Medium", 512 },
{ "Large", 1024 },
};
/*【SortDropdownItems】默認(rèn)為false 開啟后為下拉列表為根據(jù)Key升序排序*/
[PropertySpace(40, 0)]
[ValueDropdown("SortList1")]
public int SomeSize3;
private IEnumerable SortList1 = new ValueDropdownList<int>()
{
{ "Small", 256 },
{ "Medium", 512 },
{ "Large", 1024 },
{ "A", 128 },
};
[PropertySpace(0, 40)]
[ValueDropdown("SortList2", SortDropdownItems = true)]
public int SomeSize4;
private List<ValueDropdownItem<int>> SortList2 = new ValueDropdownList<int>()
{
{ "Small", 256 },
{ "Medium", 512 },
{ "Large", 1024 },
{ "A", 128 },
};
/*【DropdownTitle】給下來條提供一個標(biāo)題*/
[PropertySpace(0, 40)]
[ValueDropdown("TextureSizes", DropdownTitle = "下拉條標(biāo)題")]
public int SomeSize5;
/*【DropdownHeight】下拉條高度*/
[PropertySpace(0, 40)]
[ValueDropdown("TextureSizes", DropdownHeight = 80)]
public int SomeSize6;
/*【DropdownWidth】下拉條的寬度*/
[PropertySpace(0, 40)]
[ValueDropdown("TextureSizes", DropdownWidth = 100)]
public int SomeSize7;
/*【FlattenTreeView】是否使用平鋪的樹形視圖*/
[PropertySpace(0, 40)]
[ValueDropdown("TreeViewOfInts", FlattenTreeView = true)]//默認(rèn)為false顷蟆，如果設(shè)置為true則禁用樹形結(jié)構(gòu)使用平鋪模式
public int SomeSize8;
/*【DoubleClickToConfirm】需要雙擊才能確地選中的內(nèi)容*/
[PropertySpace(0, 40)]
[ValueDropdown("TreeViewOfInts", DoubleClickToConfirm = true)]//需要雙擊才能選中
public int SomeSize9;
/*【HideChildProperties】是否隱藏此類型所含有的屬性信息*/
[ValueDropdown("RangVector3", HideChildProperties = true)]//
public Vector3 vector3HideChildProperties;
[PropertySpace(0, 40)]
[ValueDropdown("RangVector3", HideChildProperties = false)]//
public Vector3 vector3ShowChildProperties;
public IEnumerable<Vector3> RangVector3()
{
return Enumerable.Range(0, 10).Select(i => new Vector3(i, i, i));
}
/*【AppendNextDrawer】下拉條變成一個小的選擇器，代替原有的寬型下拉條*/
[PropertySpace(0, 40)]
[ValueDropdown("TreeViewOfInts", AppendNextDrawer = true)]//
public int SomeSize11;
/*【DisableGUIInAppendedDrawer】配合AppendNextDrawer使用腐魂，顯示的數(shù)值為灰度狀態(tài)帐偎，達(dá)到不可更改數(shù)值的目的*/
[PropertySpace(0, 40)]
[ValueDropdown("TreeViewOfInts", AppendNextDrawer = true, DisableGUIInAppendedDrawer = true)]//
public int SomeSize12;
/*【ExpandAllMenuItems】下拉條里面的條目是否全部展開*/
[ValueDropdown("TreeViewOfInts" , ExpandAllMenuItems = false)]//
public int SomeSize13;
[PropertySpace(0, 40)]
[ValueDropdown("TreeViewOfInts", ExpandAllMenuItems =true )]//
public int SomeSize14;
/*【IsUniqueList】在添加的列表Item前面添加勾選框，可以一次性勾選多個Item并添加*/
[ValueDropdown("GetAllSceneObjects", IsUniqueList = false)]
public List<GameObject> UniqueGameobjectList0;
[PropertySpace(0, 40)]
[ValueDropdown("GetAllSceneObjects", IsUniqueList = true)]
public List<GameObject> UniqueGameobjectList1;
/*【ExcludeExistingValuesInList】添加列中不會顯示已經(jīng)選中的Item*/
[ValueDropdown("GetAllSceneObjects")]
public List<GameObject> UniqueGameobjectList2;
[PropertySpace(0, 40)]
[ValueDropdown("GetAllSceneObjects", ExcludeExistingValuesInList = true)]
public List<GameObject> UniqueGameobjectList3;
/*【DisableListAddButtonBehaviour】禁用下拉列表蛔屹，以彈窗的形式彈出*/
[PropertySpace(0, 40)]
[ValueDropdown("GetAllSceneObjects", DisableListAddButtonBehaviour = true, IsUniqueList = true)]
public List<GameObject> UniqueGameobjectList4;
/*【DrawDropdownForListElements】已經(jīng)添加的Item不會再出現(xiàn)Item下拉表*/
[PropertySpace(0, 40)]
[ValueDropdown("GetAllSceneObjects", DrawDropdownForListElements = false)]
public List<GameObject> UniqueGameobjectList5;
/*【NumberOfItemsBeforeEnablingSearch】查過指定數(shù)量的Item則出現(xiàn)搜索框削樊。默認(rèn)是10。*/
[ValueDropdown("GetAllSceneObjects", NumberOfItemsBeforeEnablingSearch =200)]
public List<GameObject> UniqueGameobjectList6;
[PropertySpace(0, 40)]
[ValueDropdown("GetAllSceneObjects", NumberOfItemsBeforeEnablingSearch = 20)]
public List<GameObject> UniqueGameobjectList7;
[ValueDropdown("GetListOfMonoBehaviours", AppendNextDrawer = true, HideChildProperties = false)]
public MonoBehaviour SomeMonoBehaviour;
private IEnumerable<MonoBehaviour> GetListOfMonoBehaviours()
{
return GameObject.FindObjectsOfType<MonoBehaviour>();
}
[ValueDropdown("KeyCodes")]
public KeyCode FilteredEnum;
private static IEnumerable<KeyCode> KeyCodes = Enumerable.Range((int)KeyCode.Alpha0, 10).Cast<KeyCode>();
[ValueDropdown("TreeViewOfInts", ExpandAllMenuItems = true)]
public List<int> IntTreeview = new List<int>() { 1, 2, 7 };
/// <summary>
/// 以“/”符號作為類別分隔符
/// </summary>
private IEnumerable TreeViewOfInts = new ValueDropdownList<int>()
{
{ "Node 1/Node 1.1", 1 },
{ "Node 1/Node 1.2", 2 },
{ "Node 2/Node 2.1", 3 },
{ "Node 3/Node 3.1", 4 },
{ "Node 3/Node 3.2", 5 },
{ "Node 1/Node 3.1/Node 3.1.1", 6 },
{ "Node 1/Node 3.1/Node 3.1.2", 7 },
{ "Node 1", -1 },
{ "Node 2", -2 },
{ "Node 3", -3 },
{ "Node 4", -4 },
};
/// <summary>
/// IsUniqueList為true 每個Item上面有一個勾選框
/// </summary>
[ValueDropdown("GetAllSceneObjects", IsUniqueList = true, HideChildProperties = false)]
public List<GameObject> UniqueGameobjectList;
private static IEnumerable GetAllSceneObjects()
{
Func<Transform, string> getPath = null;
getPath = x => (x ? getPath(x.parent) + "/" + x.gameObject.name : "");//三元運算符 其中X為Transform
return GameObject.FindObjectsOfType<GameObject>().Select(x => new ValueDropdownItem(getPath(x.transform), x));
}
/// <summary>
/// ExcludeExistingValuesInList 為 ture則選中的item不在出現(xiàn)在等待選擇的列下拉表中
/// DrawDropdownForListElements 為 true 每個item都有一個下拉列表
/// </summary>
[ValueDropdown("GetAllSceneObjects", IsUniqueList = false, DropdownTitle = "Select Scene Object", DrawDropdownForListElements = false, ExcludeExistingValuesInList = true)]
public List<GameObject> UniqueGameobjectListMode2;
private static IEnumerable GetAllScriptableObjects()
{
return UnityEditor.AssetDatabase.FindAssets("t:ScriptableObject")
.Select(x => UnityEditor.AssetDatabase.GUIDToAssetPath(x))
.Select(x => new ValueDropdownItem(x, UnityEditor.AssetDatabase.LoadAssetAtPath<ScriptableObject>(x)));
}
private static IEnumerable GetAllSirenixAssets()
{
var root = "Assets/Plugins/Sirenix/";
return UnityEditor.AssetDatabase.GetAllAssetPaths()
.Where(x => x.StartsWith(root))
.Select(x => x.Substring(root.Length))
.Select(x => new ValueDropdownItem(x, UnityEditor.AssetDatabase.LoadAssetAtPath<UnityEngine.Object>(root + x)));
}
}
