修复后缀名逻辑和自动添加后缀名的 bug

Author: yqzhishen

csharp/GUI/TaskListViewItem.xaml

@@ -200,8 +200,8 @@
     <Grid>
         <Grid.ColumnDefinitions>
             <ColumnDefinition Width="40"/>
-            <ColumnDefinition Width="1.5*"/>
-            <ColumnDefinition Width="1*" MinWidth="90" MaxWidth="170"/>
+            <ColumnDefinition Width="1.75*"/>
+            <ColumnDefinition Width="1*" MinWidth="90" MaxWidth="210"/>
             <ColumnDefinition Width="40"/>
         </Grid.ColumnDefinitions>
         <Grid.RowDefinitions>

csharp/GUI/ViewModels.cs

@@ -187,7 +187,7 @@ public int SelectedOutputPluginIndex
             set
             {
                 _selectedOutputPluginIndex = value;
-                ExportExtension = value >= 0 ? "." + SelectedOutputPlugin.Suffix : null;
+                ExportExtension = AutoExtension && value >= 0 ? "." + SelectedOutputPlugin.Suffix : null;
                 PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("SelectedOutputPluginIndex"));
                 PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("SelectedOutputPlugin"));
                 PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("SelectedOutputOptions"));
@@ -211,7 +211,7 @@ public string ExportExtension
                 {
                     foreach (var task in TaskList)
                     {
-                        task.ExportTitle = Path.GetFileNameWithoutExtension(task.ExportTitle);
+                        task.ExportTitle = Path.GetFileNameWithoutExtension(task.ImportFilename);
                     }
                 }
                 else if (_exportExtension != null && value == null)
@@ -282,10 +282,6 @@ public void PrepareForExecution()
             Error = null;
         }
 
-        public Plugin InputPlugin { get; set; }
-        
-        public Plugin OutputPlugin { get; set; }
-
         public string ImportFilename => Path.GetFileName(ImportPath);
 
         public string ImportDirectory => Path.GetDirectoryName(ImportPath);