添加搜索功能

ViewModels/VariableTableViewModel.cs

@@ -1,4 +1,7 @@
 using System.Collections.ObjectModel;
+using System.ComponentModel;
+using System.Windows.Data;
+using System.Windows.Input;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
 using iNKORE.UI.WPF.Modern.Controls;
@@ -16,18 +19,18 @@ partial class VariableTableViewModel : ViewModelBase
 {
     private readonly IDialogService _dialogService;
 
-    // private readonly ILogger<VariableTableViewModel> _logger;
     [ObservableProperty]
     private VariableTable variableTable;
-
+    private ObservableCollection<VariableData> _dataVariables = new ObservableCollection<VariableData>();
-    [ObservableProperty]
-    private ObservableCollection<VariableData> _dataVariables;
-
-    private ObservableCollection<VariableData> _originalDataVariables;
 
     [ObservableProperty]
     private VariableData _selectedVariableData;
 
+    [ObservableProperty]
+    private string _searchText;
+
+    public ICollectionView VariableDataView { get; private set; }
+
     /// <summary>
     /// 是否是第一次加载,防止ToggleSwitch第一次加载触发改变事件
     /// </summary>
@@ -35,30 +38,62 @@ partial class VariableTableViewModel : ViewModelBase
 
     private readonly VarTableRepository _varTableRepository;
     private readonly VarDataRepository _varDataRepository;
+    private ObservableCollection<VariableData>? _originalDataVariables;
 
 
     public VariableTableViewModel(IDialogService dialogService)
     {
         _dialogService = dialogService;
         IsLoadCompletion = false;
-        // _logger = logger;
         _varTableRepository = new VarTableRepository();
         _varDataRepository = new VarDataRepository();
+        _dataVariables = new ObservableCollection<VariableData>(); // Initialize here
+        VariableDataView = CollectionViewSource.GetDefaultView(_dataVariables);
+        VariableDataView.Filter = FilterVariables;
     }
 
+    private bool FilterVariables(object item)
+    {
+        if (string.IsNullOrWhiteSpace(SearchText))
+        {
+            return true;
+        }
+
+        if (item is VariableData variable)
+        {
+            var searchTextLower = SearchText.ToLower();
+            return variable.Name?.ToLower().Contains(searchTextLower) == true ||
+                   variable.Description?.ToLower().Contains(searchTextLower) == true ||
+                   variable.NodeId?.ToLower().Contains(searchTextLower) == true ||
+                   variable.S7Address?.ToLower().Contains(searchTextLower) == true ||
+                   variable.DataValue?.ToLower().Contains(searchTextLower) == true ||
+                   variable.DisplayValue?.ToLower().Contains(searchTextLower) == true;
+        }
+        return false;
+    }
+
+    partial void OnSearchTextChanged(string value)
+    {
+        VariableDataView?.Refresh();
+    }
+
+
 
     public override void OnLoaded()
     {
         if (VariableTable.DataVariables != null)
         {
-            DataVariables = new ObservableCollection<VariableData>(VariableTable.DataVariables);
+            _dataVariables = new ObservableCollection<VariableData>(VariableTable.DataVariables);
+            VariableDataView = CollectionViewSource.GetDefaultView(_dataVariables);
+            VariableDataView.Filter = FilterVariables;
+
             // 3. 创建原始数据的深拷贝备份
             // 推荐使用 JSON 序列化/反序列化进行深度拷贝
-            var serialized = JsonConvert.SerializeObject(DataVariables);
+            var serialized = JsonConvert.SerializeObject(_dataVariables);
             _originalDataVariables = JsonConvert.DeserializeObject<ObservableCollection<VariableData>>(serialized);
 
             // 在数据加载完成后，将所有变量的 IsModified 状态重置为 false
-            foreach (var variableData in DataVariables)
+            foreach (var variableData in _dataVariables)
             {
                 variableData.IsModified = false;
             }
@@ -74,7 +109,7 @@ partial class VariableTableViewModel : ViewModelBase
     /// <returns></returns>
     public override async Task<bool> OnExitAsync()
     {
-        var modifiedDatas = DataVariables.Where(d => d.IsModified == true)
+        var modifiedDatas = _dataVariables.Where(d => d.IsModified == true)
                                          .ToList();
         if (modifiedDatas.Count == 0)
             return true;
@@ -102,7 +137,7 @@ partial class VariableTableViewModel : ViewModelBase
     [RelayCommand]
     private async void SaveModifiedVarData()
     {
-        var modifiedDatas = DataVariables.Where(d => d.IsModified == true)
+        var modifiedDatas = _dataVariables.Where(d => d.IsModified == true)
                                          .ToList();
         ///更新数据库
         await _varDataRepository.UpdateAsync(modifiedDatas);
@@ -167,7 +202,7 @@ partial class VariableTableViewModel : ViewModelBase
             //更新界面
             // variableTable.DataVariables.AddRange(resVarDataList);
             variableTable.DataVariables= await _varDataRepository.GetAllAsync();
-            DataVariables=new ObservableCollection<VariableData>(variableTable.DataVariables);
+            _dataVariables=new ObservableCollection<VariableData>(variableTable.DataVariables);
             processingDialog?.Hide();
             
             string msgSuccess = $"成功导入变量：{resVarDataCount}个。";
@@ -199,7 +234,7 @@ partial class VariableTableViewModel : ViewModelBase
             // 更新数据库
             await _varDataRepository.AddAsync(varData);
             // 更新当前页面的
-            DataVariables.Add(varData);
+            _dataVariables.Add(varData);
             NotificationHelper.ShowSuccess($"添加变量成功:{varData?.Name}");
         }
         catch (Exception e)
@@ -233,7 +268,7 @@ partial class VariableTableViewModel : ViewModelBase
             {
                 foreach (var variable in variablesToDelete)
                 {
-                    DataVariables.Remove(variable);
+                    _dataVariables.Remove(variable);
                 }
                 NotificationHelper.ShowSuccess($"成功删除 {result} 个变量");
             }

Views/VariableTableView.xaml

@@ -87,8 +87,7 @@
                     </ui:AppBarButton.Icon>
 
                 </ui:AppBarButton>
-                <ui:AppBarButton 
+                <ui:AppBarButton Command="{Binding ImprotFromTiaVarTableCommand}"
-                    Command="{Binding ImprotFromTiaVarTableCommand}"
                                  Label="从TIA变量表导入">
                     <ui:AppBarButton.Icon>
                         <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.Import}" />
@@ -97,7 +96,6 @@
                 </ui:AppBarButton>
 
 
-
                 <ui:AppBarButton x:Name="ShareButton"
                                  Label="Share">
                     <ui:AppBarButton.Icon>
@@ -136,8 +134,13 @@
                            Text="协议:" />
                 <TextBlock Style="{StaticResource VarTableValueStyle}"
                            Text="{Binding VariableTable.ProtocolType}" />
-
+                <TextBlock Style="{StaticResource VarTableLabelStyle}"
-
+                           Text="搜索:" />
+                <TextBox Width="200"
+                         HorizontalAlignment="Left"
+                         Margin="5,0,0,0"
+                         Text="{Binding SearchText, UpdateSourceTrigger=PropertyChanged}"
+                         ui:ControlHelper.PlaceholderText="搜索变量..." />
             </ikw:SimpleStackPanel>
 
 
@@ -150,7 +153,7 @@
                   CanUserSortColumns="True"
                   SelectionMode="Extended"
                   SelectedItem="{Binding SelectedVariableData}"
-                  ItemsSource="{Binding DataVariables}">
+                  ItemsSource="{Binding VariableDataView}">
             <DataGrid.ContextMenu>
                 <ContextMenu>
                     <MenuItem Header="添加变量"
@@ -245,7 +248,8 @@
                 <DataGridTextColumn IsReadOnly="True"
                                     Header="数据类型"
                                     Binding="{Binding DataType}" />
-                <DataGridTemplateColumn Header="信号类型" SortMemberPath="SignalType">
+                <DataGridTemplateColumn Header="信号类型"
+                                        SortMemberPath="SignalType">
                     <DataGridTemplateColumn.CellTemplate>
                         <DataTemplate>
                             <TextBlock Text="{Binding SignalType, Converter={StaticResource EnumDescriptionConverter}}" />
@@ -264,10 +268,12 @@
                         </DataTemplate>
                     </DataGridTemplateColumn.CellEditingTemplate>
                 </DataGridTemplateColumn>
-                <DataGridTemplateColumn Header="轮询频率" SortMemberPath="PollLevelType">
+                <DataGridTemplateColumn Header="轮询频率"
+                                        SortMemberPath="PollLevelType">
                     <DataGridTemplateColumn.CellTemplate>
                         <DataTemplate>
-                            <TextBlock Text="{Binding PollLevelType, Converter={StaticResource EnumDescriptionConverter}}" />
+                            <TextBlock
+                                Text="{Binding PollLevelType, Converter={StaticResource EnumDescriptionConverter}}" />
                         </DataTemplate>
                     </DataGridTemplateColumn.CellTemplate>
                     <DataGridTemplateColumn.CellEditingTemplate>