update demo

README.md

@@ -43,6 +43,7 @@
 <a href="https://github.com/yxhq" target="_blank"><img style="border-radius:50%" width="64px" alt="yxhq" src="https://avatars3.githubusercontent.com/u/10378954?s=64&v=4"></a>
 <a href="https://github.com/AiHaibara" target="_blank"><img style="border-radius:50%" width="64px" alt="AiHaibara" src="https://avatars3.githubusercontent.com/u/5195234?s=64&v=4"></a>
 <a href="https://github.com/walterlv" target="_blank"><img style="border-radius:50%" width="64px" alt="walterlv" src="https://avatars3.githubusercontent.com/u/9959623?s=64&v=4"></a>
+<a href="https://github.com/Luoyingliang" target="_blank"><img style="border-radius:50%" width="64px" alt="Luoyingliang" src="https://avatars2.githubusercontent.com/u/29297262?s=64&v=4"></a>
 
 ## Backers
 

src/Shared/HandyControlDemo_Shared/Data/Model/DemoItemModel.cs

@@ -1,6 +1,8 @@
-namespace HandyControlDemo.Data
+using GalaSoft.MvvmLight;
+
+namespace HandyControlDemo.Data
 {
-    public class DemoItemModel
+    public class DemoItemModel : ObservableObject
     {
         public string Name { get; set; }
 
@@ -9,5 +11,17 @@
         public string ImageName { get; set; }
 
         public bool IsNew { get; set; }
+
+        private bool _isVisible = true;
+
+        public bool IsVisible
+        {
+            get => _isVisible;
+#if NET40
+            set => Set(nameof(IsVisible), ref _isVisible, value);
+#else
+            set => Set(ref _isVisible, value);
+#endif
+        }
     }
 }

src/Shared/HandyControlDemo_Shared/Resources/Themes/Styles/Style.xaml

@@ -40,6 +40,7 @@
     </Style>
 
     <Style x:Key="ListBoxItemTransparent" BasedOn="{StaticResource ListBoxItemBaseStyle}" TargetType="ListBoxItem">
+        <Setter Property="Visibility" Value="{Binding IsVisible,Converter={StaticResource Boolean2VisibilityConverter}}"/>
         <Setter Property="hc:BorderElement.CornerRadius" Value="4"/>
         <Setter Property="Background" Value="Transparent"/>
     </Style>

src/Shared/HandyControlDemo_Shared/UserControl/Main/LeftMainContent.xaml

@@ -44,7 +44,7 @@
                             <ColumnDefinition/>
                             <ColumnDefinition Width="Auto"/>
                         </Grid.ColumnDefinitions>
-                        <hc:SearchBar SearchStarted="SearchBar_OnSearchStarted" Style="{StaticResource SearchBarPlus}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterKey}}" Margin="0,4,4,4" Tag="{Binding ElementName=ListBoxDemo}"/>
+                        <hc:SearchBar ShowClearButton="True" TextChanged="SearchBar_OnTextChanged" SearchStarted="SearchBar_OnSearchStarted" Style="{StaticResource SearchBarPlus}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterKey}}" Margin="0,4,4,4" Tag="{Binding ElementName=ListBoxDemo}"/>
                         <ToggleButton Tag="{Binding ElementName=ListBoxDemo}" Name="ButtonStyleAscending" Click="ButtonAscending_OnClick" Grid.Row="0" Grid.Column="1" Style="{StaticResource DemoInfoSortButtonStyle}"/>
                         <ListBox Name="ListBoxDemo" Grid.Column="0" Grid.ColumnSpan="2" Grid.Row="1" VirtualizingStackPanel.IsVirtualizing="True" SelectedIndex="{Binding SelectedIndex}" ItemsSource="{Binding DemoItemList}" BorderThickness="0" SelectionMode="Single" Style="{StaticResource ListBoxTransparent}">
                             <ListBox.ItemTemplate>

src/Shared/HandyControlDemo_Shared/UserControl/Main/LeftMainContent.xaml.cs

@@ -2,8 +2,8 @@
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Controls.Primitives;
+using HandyControl.Controls;
 using HandyControl.Data;
-using HandyControl.Tools.Extension;
 using HandyControlDemo.Data;
 using HandyControlDemo.ViewModel;
 
@@ -15,6 +15,8 @@ namespace HandyControlDemo.UserControl
     /// </summary>
     public partial class LeftMainContent
     {
+        private string _searchKey;
+
         public LeftMainContent()
         {
             InitializeComponent();
@@ -49,13 +51,55 @@ namespace HandyControlDemo.UserControl
 
         private void SearchBar_OnSearchStarted(object sender, FunctionEventArgs<string> e)
         {
-            if (e.Info == null) return;
-            if (!(sender is FrameworkElement searchBar && searchBar.Tag is ListBox listBox)) return;
-            foreach (DemoItemModel item in listBox.Items)
+            _searchKey = e.Info;
+            if (string.IsNullOrEmpty(_searchKey))
             {
-                var listBoxItem = listBox.ItemContainerGenerator.ContainerFromItem(item) as ListBoxItem;
-                listBoxItem?.Show(item.Name.ToLower().Contains(e.Info.ToLower()) ||
-                                  item.TargetCtlName.Replace("DemoCtl", "").ToLower().Contains(e.Info.ToLower()));
+                foreach (var item in ViewModelLocator.Instance.Main.DemoInfoCurrent.DemoItemList)
+                {
+                    item.IsVisible = true;
+                }
+            }
+            else
+            {
+                var key = _searchKey.ToLower();
+                foreach (var item in ViewModelLocator.Instance.Main.DemoInfoCurrent.DemoItemList)
+                {
+                    if (item.Name.ToLower().Contains(key))
+                    {
+                        item.IsVisible = true;
+                    }
+                    else if(item.TargetCtlName.Replace("DemoCtl", "").ToLower().Contains(key))
+                    {
+                        item.IsVisible = true;
+                    }
+                    else
+                    {
+                        var name = Properties.Langs.LangProvider.GetLang(item.Name);
+                        if (!string.IsNullOrEmpty(name) && name.ToLower().Contains(key))
+                        {
+                            item.IsVisible = true;
+                        }
+                        else
+                        {
+                            item.IsVisible = false;
+                        }
+                    }
+                }
+            }
+        }
+
+        private void SearchBar_OnTextChanged(object sender, TextChangedEventArgs e)
+        {
+            if (e.OriginalSource is SearchBar searchBar)
+            {
+                _searchKey = searchBar.Text;
+                if (string.IsNullOrEmpty(_searchKey))
+                {
+                    foreach (var item in ViewModelLocator.Instance.Main.DemoInfoCurrent.DemoItemList)
+                    {
+                        item.IsVisible = true;
+                    }
+                }
             }
         }
     }