增加适合模型文件的UIEditor

SpineViewer/Spine/UITypeEditor.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Drawing.Design;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms.Design;
+
+namespace SpineViewer.Spine
+{
+    /// <summary>
+    /// skel 文件路径编辑器
+    /// </summary>
+    public class SkelFileNameEditor : FileNameEditor
+    {
+        protected override void InitializeDialog(OpenFileDialog openFileDialog)
+        {
+            base.InitializeDialog(openFileDialog);
+            openFileDialog.Title = "选择 skel 文件";
+            openFileDialog.AddExtension = false;
+            openFileDialog.Filter = "skel 文件 (*.skel; *.json)|*.skel;*.json|二进制文件 (*.skel)|*.skel|文本文件 (*.json)|*.json|所有文件 (*.*)|*.*";
+        }
+    }
+
+    /// <summary>
+    /// atlas 文件路径编辑器
+    /// </summary>
+    public class AtlasFileNameEditor : FileNameEditor
+    {
+        protected override void InitializeDialog(OpenFileDialog openFileDialog)
+        {
+            base.InitializeDialog(openFileDialog);
+            openFileDialog.Title = "选择 atlas 文件";
+            openFileDialog.AddExtension = false;
+            openFileDialog.Filter = "atlas 文件 (*.atlas)|*.atlas|所有文件 (*.*)|*.*";
+        }
+    }
+}