fix: fix demos

Editor/ImportSampleMenu.cs

@@ -1,102 +0,0 @@
-#if !UNITY_2019_1_OR_NEWER
-using System.IO;
-using System.Linq;
-using System.Text.RegularExpressions;
-using UnityEditor;
-
-namespace Coffee.UIExtensions
-{
-    internal static class ImportSampleMenu_UIParticle
-    {
-        private const string k_DisplayName = "UI Particle";
-        private const string k_JsonGuid = "823dc693d087a4b559c7e1547274cc7d";
-
-        [MenuItem("Assets/Samples/" + k_DisplayName + "/Demo")]
-        private static void ImportSample()
-        {
-            ImportSample(k_JsonGuid, "Demo");
-        }
-
-        [MenuItem("Assets/Samples/" + k_DisplayName + "/Cartoon FX & War FX Demo")]
-        private static void ImportSample_CFX()
-        {
-            ImportSample(k_JsonGuid, "Cartoon FX & War FX Demo");
-        }
-
-        [MenuItem("Assets/Samples/" + k_DisplayName + "/Cartoon FX & War FX Demo")]
-        private static void ImportSample_PerformanceDemo()
-        {
-            ImportSample(k_JsonGuid, "Performance Demo");
-        }
-
-        private static void ImportSample(string jsonGuid, string sampleName)
-        {
-            var jsonPath = AssetDatabase.GUIDToAssetPath(jsonGuid);
-            if (string.IsNullOrEmpty(jsonPath)) return;
-
-            var jsonDir = Path.GetDirectoryName(jsonPath);
-            if (string.IsNullOrEmpty(jsonDir)) return;
-
-            var packageRoot = jsonDir.Replace('\\', '/');
-            var json = File.ReadAllText(jsonPath);
-            var version = Regex.Match(json, "\"version\"\\s*:\\s*\"([^\"]+)\"").Groups[1].Value;
-            var src = $"{packageRoot}/Samples~/{sampleName}";
-            var dst = $"Assets/Samples/{k_DisplayName}/{version}/{sampleName}";
-            var previousPath = GetPreviousSamplePath(k_DisplayName, sampleName);
-
-            // Remove the previous sample directory.
-            if (!string.IsNullOrEmpty(previousPath))
-            {
-                var msg = "A different version of the sample is already imported at\n\n"
-                          + previousPath
-                          + "\n\nIt will be deleted when you update. Are you sure you want to continue?";
-                if (!EditorUtility.DisplayDialog("Sample Importer", msg, "OK", "Cancel"))
-                {
-                    return;
-                }
-
-                FileUtil.DeleteFileOrDirectory(previousPath);
-
-                var metaFile = previousPath + ".meta";
-                if (File.Exists(metaFile))
-                {
-                    FileUtil.DeleteFileOrDirectory(metaFile);
-                }
-            }
-
-            if (!Directory.Exists(dst))
-            {
-                FileUtil.DeleteFileOrDirectory(dst);
-            }
-
-            var dstDir = Path.GetDirectoryName(dst);
-            if (!string.IsNullOrEmpty(dstDir) && !Directory.Exists(dstDir))
-            {
-                Directory.CreateDirectory(dstDir);
-            }
-
-            if (Directory.Exists(src))
-            {
-                FileUtil.CopyFileOrDirectory(src, dst);
-            }
-            else
-            {
-                throw new DirectoryNotFoundException(src);
-            }
-
-            AssetDatabase.Refresh(ImportAssetOptions.ImportRecursive);
-        }
-
-        private static string GetPreviousSamplePath(string displayName, string sampleName)
-        {
-            var sampleRoot = $"Assets/Samples/{displayName}";
-            var sampleRootInfo = new DirectoryInfo(sampleRoot);
-            if (!sampleRootInfo.Exists) return null;
-
-            return sampleRootInfo.GetDirectories()
-                .Select(versionDir => Path.Combine(versionDir.ToString(), sampleName))
-                .FirstOrDefault(Directory.Exists);
-        }
-    }
-}
-#endif

Editor/ImportSampleMenu.cs.meta

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 07047cbd3c4af489fbd41f4303a26fe2
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Samples~/Demo/Scripts/UIParticle_Demo.cs

@@ -155,26 +155,23 @@ namespace Coffee.UIExtensions.Demo
         {
             if (!flag) return;
 
-            var canvas = FindObjectOfType<Canvas>();
-            canvas.renderMode = RenderMode.ScreenSpaceCamera;
-            canvas.renderMode = RenderMode.WorldSpace;
-            canvas.transform.rotation = Quaternion.Euler(new Vector3(0, 10, 0));
+            m_RootCanvas.renderMode = RenderMode.ScreenSpaceCamera;
+            m_RootCanvas.renderMode = RenderMode.WorldSpace;
+            m_RootCanvas.transform.rotation = Quaternion.Euler(new Vector3(0, 10, 0));
         }
 
         public void Canvas_CameraSpace(bool flag)
         {
             if (!flag) return;
 
-            var canvas = FindObjectOfType<Canvas>();
-            canvas.renderMode = RenderMode.ScreenSpaceCamera;
+            m_RootCanvas.renderMode = RenderMode.ScreenSpaceCamera;
         }
 
         public void Canvas_Overlay(bool flag)
         {
             if (!flag) return;
 
-            var canvas = FindObjectOfType<Canvas>();
-            canvas.renderMode = RenderMode.ScreenSpaceOverlay;
+            m_RootCanvas.renderMode = RenderMode.ScreenSpaceOverlay;
         }
     }
 }