120 lines
3.5 KiB
C#
120 lines
3.5 KiB
C#
using System;
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using System.IO;
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using UnityEditorInternal;
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using UnityEngine;
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using UnityObject = UnityEngine.Object;
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namespace UnityEditor.Timeline
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{
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class ScriptableObjectViewPrefs<TViewModel> : IDisposable where TViewModel : ScriptableObject
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{
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const string k_DefaultFilePath = "Library/";
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const string k_Extension = ".pref";
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readonly string m_RelativePath;
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readonly string m_AbsolutePath;
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readonly string m_FileName;
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ScriptableObject m_Asset;
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TViewModel m_ViewModel;
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bool isSavable
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{
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get
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{
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return m_Asset != null &&
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m_ViewModel != null &&
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!string.IsNullOrEmpty(m_FileName);
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}
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}
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public ScriptableObjectViewPrefs(ScriptableObject asset, string relativeSavePath)
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{
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m_Asset = asset;
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m_RelativePath = string.IsNullOrEmpty(relativeSavePath) ? k_DefaultFilePath : relativeSavePath;
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if (!m_RelativePath.EndsWith("/", StringComparison.Ordinal))
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m_RelativePath += "/";
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m_AbsolutePath = Application.dataPath + "/../" + m_RelativePath;
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var assetKey = GetAssetKey(asset);
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m_FileName = string.IsNullOrEmpty(assetKey) ? string.Empty : assetKey + k_Extension;
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}
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public TViewModel viewModel
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{
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get
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{
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if (m_ViewModel == null)
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{
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if (m_Asset == null)
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m_ViewModel = CreateViewModel();
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else
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m_ViewModel = LoadViewModel() ?? CreateViewModel();
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}
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return m_ViewModel;
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}
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}
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public void Save()
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{
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if (!isSavable)
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return;
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// make sure the path exists or file write will fail
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if (!Directory.Exists(m_AbsolutePath))
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Directory.CreateDirectory(m_AbsolutePath);
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const bool saveAsText = true;
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InternalEditorUtility.SaveToSerializedFileAndForget(new UnityObject[] { m_ViewModel }, m_RelativePath + m_FileName, saveAsText);
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}
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public void DeleteFile()
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{
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if (!isSavable)
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return;
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var path = m_AbsolutePath + m_FileName;
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if (!File.Exists(path))
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return;
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File.Delete(path);
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}
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public void Dispose()
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{
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if (m_ViewModel != null)
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UnityObject.DestroyImmediate(m_ViewModel);
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m_Asset = null;
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}
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public static TViewModel CreateViewModel()
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{
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var model = ScriptableObject.CreateInstance<TViewModel>();
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model.hideFlags |= HideFlags.HideAndDontSave;
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return model;
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}
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TViewModel LoadViewModel()
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{
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if (string.IsNullOrEmpty(m_FileName))
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return null;
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var objects = InternalEditorUtility.LoadSerializedFileAndForget(m_RelativePath + m_FileName);
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if (objects.Length <= 0 || objects[0] == null)
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return null;
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var model = (TViewModel)objects[0];
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model.hideFlags |= HideFlags.HideAndDontSave;
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return model;
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}
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static string GetAssetKey(UnityObject asset)
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{
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return asset == null ? string.Empty : AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(asset));
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}
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}
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}
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