Implement PluginSearch TextBox & ContentControl Lazy Load

Author: taooceros

Flow.Launcher/SettingWindow.xaml

@@ -901,6 +901,7 @@
                             <ColumnDefinition />
                         </Grid.ColumnDefinitions>
                         <Grid.RowDefinitions>
+                            <RowDefinition Height="73" />
                             <RowDefinition Height="73" />
                             <RowDefinition Height="*" />
                         </Grid.RowDefinitions>
@@ -912,12 +913,23 @@
                                 Text="{DynamicResource plugin}"
                                 TextAlignment="left" />
                         </Border>
+                        <Border Grid.Row="1" Padding="5,18,0,0">
+                            <TextBox
+                                Name="pluginFilterTxb"
+                                Margin="0,5,0,0"
+                                FontSize="30"
+                                Text=""
+                                TextAlignment="left"
+                                TextChanged="OnPluginSearchTextChanged"
+                                />
+                        </Border>
                         <Border
-                            Grid.Row="1"
+                            Grid.Row="2"
                             Grid.Column="0"
                             Padding="0,0,0,0"
                             Background="{DynamicResource Color01B}">
                             <ListBox
+                                Name="pluginList"
                                 Width="Auto"
                                 Margin="5,0,0,0"
                                 Padding="0,0,7,0"
@@ -942,7 +954,7 @@
                                             Padding="0"
                                             Background="Transparent"
                                             FlowDirection="RightToLeft"
-                                            IsExpanded="{Binding Mode=TwoWay, Path=IsSelected, RelativeSource={RelativeSource AncestorType=ListBoxItem, Mode=FindAncestor}}"
+                                            IsExpanded="{Binding Mode=TwoWay, Path=IsExpanded}"
                                             Style="{StaticResource ExpanderStyle1}">
                                             <Expander.Header>
                                                 <Grid

Flow.Launcher/SettingWindow.xaml.cs

@@ -13,6 +13,8 @@
 using System;
 using System.IO;
 using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
 using System.Windows.Forms;
 using System.Windows.Input;
 using System.Windows.Interop;
@@ -41,9 +43,11 @@ public SettingWindow(IPublicAPI api, SettingWindowViewModel viewModel)
             DataContext = viewModel;
             this.viewModel = viewModel;
             API = api;
+            
         }
 
         #region General
+
         private void OnLoaded(object sender, RoutedEventArgs e)
         {
             RefreshMaximizeRestoreButton();
@@ -52,6 +56,9 @@ private void OnLoaded(object sender, RoutedEventArgs e)
             HwndSource hwndSource = PresentationSource.FromVisual(this) as HwndSource;
             HwndTarget hwndTarget = hwndSource.CompositionTarget;
             hwndTarget.RenderMode = RenderMode.SoftwareOnly;
+            
+            pluginListView = (CollectionView) CollectionViewSource.GetDefaultView(pluginList.ItemsSource);
+            pluginListView.Filter = PluginFilter;
         }
 
         private void OnAutoStartupChecked(object sender, RoutedEventArgs e)
@@ -247,6 +254,7 @@ private void OnPluginDirecotyClick(object sender, MouseButtonEventArgs e)
                     PluginManager.API.OpenDirectory(directory);
             }
         }
+
         #endregion
 
         #region Proxy
@@ -264,6 +272,7 @@ private async void OnCheckUpdates(object sender, RoutedEventArgs e)
             viewModel.UpdateApp(); // TODO: change to command
         }
 
+
         private void OnRequestNavigate(object sender, RequestNavigateEventArgs e)
         {
             API.OpenUrl(e.Uri.AbsoluteUri);
@@ -307,7 +316,7 @@ private void OnPluginStoreRefreshClick(object sender, RoutedEventArgs e)
 
         private void OnExternalPluginInstallClick(object sender, RoutedEventArgs e)
         {
-            if(sender is Button { DataContext: UserPlugin plugin })
+            if (sender is Button { DataContext: UserPlugin plugin })
             {
                 var pluginsManagerPlugin = PluginManager.GetPluginForId("9f8f9b14-2518-4907-b211-35ab6290dee7");
                 var actionKeyword = pluginsManagerPlugin.Metadata.ActionKeywords.Count == 0 ? "" : pluginsManagerPlugin.Metadata.ActionKeywords[0];
@@ -326,7 +335,7 @@ private void OnExternalPluginInstallClick(object sender, RoutedEventArgs e)
             textBox.MoveFocus(tRequest);
         }
 
-        private void ColorSchemeSelectedIndexChanged(object sender, EventArgs e) 
+        private void ColorSchemeSelectedIndexChanged(object sender, EventArgs e)
             => ThemeManager.Current.ApplicationTheme = settings.ColorScheme switch
             {
                 Constant.Light => ApplicationTheme.Light,
@@ -370,5 +379,22 @@ private void Window_StateChanged(object sender, EventArgs e)
             RefreshMaximizeRestoreButton();
         }
 
+        private CollectionView pluginListView;
+
+        private bool PluginFilter(object item)
+        {
+            if (string.IsNullOrEmpty(pluginFilterTxb.Text))
+                return true;
+            if (item is PluginViewModel model)
+            {
+                return StringMatcher.FuzzySearch(pluginFilterTxb.Text, model.PluginPair.Metadata.Name).IsSearchPrecisionScoreMet();
+            }
+            return false;
+        }
+
+        private void OnPluginSearchTextChanged(object sender, TextChangedEventArgs e)
+        {
+            pluginListView.Refresh();
+        }
     }
-}
+}

Flow.Launcher/ViewModel/PluginViewModel.cs

@@ -30,9 +30,20 @@ public bool PluginState
             get => !PluginPair.Metadata.Disabled;
             set => PluginPair.Metadata.Disabled = !value;
         }
+        public bool IsExpanded
+        {
+            get => _isExpanded;
+            set
+            {
+                _isExpanded = value;
+                OnPropertyChanged();
+                OnPropertyChanged(nameof(SettingControl));
+            }
+        }
 
         private Control _settingControl;
-        public Control SettingControl => _settingControl ??= PluginPair.Plugin is not ISettingProvider settingProvider ? new Control() : settingProvider.CreateSettingPanel();
+        private bool _isExpanded;
+        public Control SettingControl => IsExpanded ? _settingControl ??= PluginPair.Plugin is not ISettingProvider settingProvider ? new Control() : settingProvider.CreateSettingPanel() : null;
 
         public Visibility ActionKeywordsVisibility => PluginPair.Metadata.ActionKeywords.Count == 1 ? Visibility.Visible : Visibility.Collapsed;
         public string InitilizaTime => PluginPair.Metadata.InitTime + "ms";

Flow.Launcher/ViewModel/SettingWindowViewModel.cs

@@ -19,6 +19,7 @@
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
 using Flow.Launcher.Plugin.SharedModels;
+using System.Windows.Data;
 
 namespace Flow.Launcher.ViewModel
 {