完成添加变量功能

Services/DialogService.cs

@@ -1,4 +1,5 @@
 using iNKORE.UI.WPF.Modern.Controls;
+using NPOI.SS.Formula.Functions;
 using PMSWPF.Models;
 using PMSWPF.ViewModels.Dialogs;
 using PMSWPF.Views.Dialogs;
@@ -56,7 +57,7 @@ public class DialogService :IDialogService
         return false;
     }
 
-    public async Task<VariableTable> ShowAddVarTableDialog(Device device)
+    public async Task<VariableTable> ShowAddVarTableDialog()
     {
         VarTableDialogViewModel vm = new();
         vm.Title = "添加变量表";
@@ -70,6 +71,21 @@ public class DialogService :IDialogService
         }
         return null;
     }
+    
+    public async Task<VariableData> ShowAddVarDataDialog()
+    {
+        VarDataDialogViewModel vm = new();
+        vm.Title = "添加变量";
+        vm.PrimaryButtonText =  "添加变量";
+        vm.VariableData = new VariableData();
+        var dialog = new VarDataDialog(vm);
+        var res = await dialog.ShowAsync();
+        if (res == ContentDialogResult.Primary)
+        {
+            return vm.VariableData;
+        }
+        return null;
+    }
 
 
     public void ShowMessageDialog(string title, string message)

Services/IDialogService.cs

@@ -9,7 +9,9 @@ public interface IDialogService
     
     Task<bool> ShowConfrimeDialog(string title, string message,string buttonText="确认");
     
-    Task<VariableTable> ShowAddVarTableDialog(Device device);
+    Task<VariableTable> ShowAddVarTableDialog();
+    
+    Task<VariableData> ShowAddVarDataDialog();
 
     void ShowMessageDialog(string title, string message);
 }