Fix exclusive for action keyword

Wox/Helper/ListBoxItems.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Collections.Specialized;
+using System.ComponentModel;
+using System.Linq;
+using Wox.Plugin;
+
+namespace Wox.Helper
+{
+    class ListBoxItems : ObservableCollection<Result>
+    {
+        public void RemoveAll(Predicate<Result> predicate)
+        {
+            CheckReentrancy();
+
+            List<Result> itemsToRemove = Items.Where(x => predicate(x)).ToList();
+            if (itemsToRemove.Count > 0)
+            {
+                itemsToRemove.ForEach(item => Items.Remove(item));
+
+                OnPropertyChanged(new PropertyChangedEventArgs("Count"));
+                OnPropertyChanged(new PropertyChangedEventArgs("Item[]"));
+                // fuck ms http://blogs.msdn.com/b/nathannesbit/archive/2009/04/20/addrange-and-observablecollection.aspx
+                OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
+            }
+        }
+    }
+}

Wox/MainWindow.xaml.cs

@@ -43,11 +43,11 @@ namespace Wox
 
         private readonly Storyboard progressBarStoryboard = new Storyboard();
         private NotifyIcon notifyIcon;
-        private bool queryHasReturn;
-        private string lastQuery;
+        private bool _queryHasReturn;
+        private Query _lastQuery = new Query();
         private ToolTip toolTip = new ToolTip();
 
-        private bool ignoreTextChange = false;
+        private bool _ignoreTextChange = false;
         private List<Result> CurrentContextMenus = new List<Result>();
         private string textBeforeEnterContextMenuMode;
 
@@ -72,7 +72,7 @@ namespace Wox
         {
             Dispatcher.Invoke(new Action(() =>
             {
-                ignoreTextChange = true;
+                _ignoreTextChange = true;
                 tbQuery.Text = query;
                 tbQuery.CaretIndex = tbQuery.Text.Length;
                 if (selectAll)
@@ -442,9 +442,9 @@ namespace Wox
         private void TbQuery_OnTextChanged(object sender, TextChangedEventArgs e)
         {
 
-            if (ignoreTextChange) { ignoreTextChange = false; return; }
-
-            if (!string.IsNullOrEmpty(tbQuery.Text.Trim()))
+            if (_ignoreTextChange) { _ignoreTextChange = false; return; }
+            string query = tbQuery.Text.Trim();
+            if (!string.IsNullOrEmpty(query))
             {
                 toolTip.IsOpen = false;
                 if (IsInContextMenuMode)
@@ -453,10 +453,10 @@ namespace Wox
                     return;
                 }
 
-                Query(tbQuery.Text);
+                Query(query);
                 Dispatcher.DelayInvoke("ShowProgressbar", () =>
                 {
-                    if (!string.IsNullOrEmpty(tbQuery.Text.Trim()) && tbQuery.Text != lastQuery && !queryHasReturn)
+                    if (!string.IsNullOrEmpty(query) && query != _lastQuery.RawQuery && !_queryHasReturn)
                     {
                         StartProgress();
                     }
@@ -479,7 +479,28 @@ namespace Wox
             var query = PluginManager.QueryInit(text);
             if (query != null)
             {
-                lastQuery = query.RawQuery;
+                // handle the exclusiveness of plugin using action keyword
+                string lastKeyword = _lastQuery.ActionKeyword;
+                string keyword = query.ActionKeyword;
+                if (string.IsNullOrEmpty(lastKeyword))
+                {
+                    if (!string.IsNullOrEmpty(keyword))
+                    {
+                        pnlResult.RemoveResultsExcept(PluginManager.NonGlobalPlugins[keyword]);
+                    }
+                }
+                else
+                {
+                    if (string.IsNullOrEmpty(keyword))
+                    {
+                        pnlResult.RemoveResultsFor(PluginManager.NonGlobalPlugins[lastKeyword]);
+                    }
+                    else if (lastKeyword != keyword)
+                    {
+                        pnlResult.RemoveResultsExcept(PluginManager.NonGlobalPlugins[keyword]);
+                    }
+                }
+                _lastQuery = query;
                 PluginManager.QueryForAllPlugins(query);
             }
             StopProgress();
@@ -814,7 +835,7 @@ namespace Wox
 
         private void UpdateResultView(List<Result> list)
         {
-            queryHasReturn = true;
+            _queryHasReturn = true;
             progressBar.Dispatcher.Invoke(new Action(StopProgress));
             if (list == null || list.Count == 0) return;
 
@@ -824,7 +845,7 @@ namespace Wox
                 {
                     o.Score += UserSelectedRecordStorage.Instance.GetSelectedCount(o) * 5;
                 });
-                List<Result> l = list.Where(o => o.OriginQuery != null && o.OriginQuery.RawQuery == lastQuery).ToList();
+                List<Result> l = list.Where(o => o.OriginQuery != null && o.OriginQuery.RawQuery == _lastQuery.RawQuery).ToList();
                 UpdateResultViewInternal(l);
             }
         }

Wox/ResultPanel.xaml.cs

@@ -9,6 +9,7 @@ using System.Windows.Media;
 using System.Linq;
 using System.Runtime.Remoting.Contexts;
 using Wox.Core.UserSettings;
+using Wox.Helper;
 using Wox.Plugin;
 using Wox.Storage;
 
@@ -20,7 +21,7 @@ namespace Wox
         public event Action<Result> LeftMouseClickEvent;
         public event Action<Result> RightMouseClickEvent;
         public event Action<Result, IDataObject, DragEventArgs> ItemDropEvent;
-        private readonly ObservableCollection<Result> _results; //todo, for better performance, override the default linear search
+        private readonly ListBoxItems _results; //todo, for better performance, override the default linear search
         private readonly object _resultsUpdateLock = new object();
 
         protected virtual void OnRightMouseClick(Result result)
@@ -38,6 +39,22 @@ namespace Wox
 
         public int MaxResultsToShow { get { return UserSettingStorage.Instance.MaxResultsToShow * 50; } }
 
+        internal void RemoveResultsFor(PluginPair plugin)
+        {
+            lock (_resultsUpdateLock)
+            {
+                _results.RemoveAll(r => r.PluginID == plugin.Metadata.ID);
+            }
+        }
+
+        internal void RemoveResultsExcept(PluginPair plugin)
+        {
+            lock (_resultsUpdateLock)
+            {
+                _results.RemoveAll(r => r.PluginID != plugin.Metadata.ID);
+            }
+        }
+
         public void AddResults(List<Result> newResults)
         {
             if (newResults != null && newResults.Count > 0)
@@ -45,16 +62,7 @@ namespace Wox
                 lock (_resultsUpdateLock)
                 {
                     var pluginId = newResults[0].PluginID;
-                    var actionKeyword = newResults[0].OriginQuery.ActionKeyword;
-                    List<Result> oldResults;
-                    if (string.IsNullOrEmpty(actionKeyword))
-                    {
-                        oldResults = _results.Where(r => r.PluginID == pluginId).ToList();
-                    }
-                    else
-                    {
-                        oldResults = _results.ToList();
-                    }
+                    var oldResults = _results.Where(r => r.PluginID == pluginId).ToList();
                     // intersection of A (old results) and B (new newResults)
                     var intersection = oldResults.Intersect(newResults).ToList();
 
@@ -236,7 +244,7 @@ namespace Wox
         public ResultPanel()
         {
             InitializeComponent();
-            _results = new ObservableCollection<Result>();
+            _results = new ListBoxItems();
             lbResults.ItemsSource = _results;
         }
 

Wox/Wox.csproj

@@ -106,6 +106,7 @@
     <Compile Include="Converters\OpacityModeConverter.cs" />
     <Compile Include="Converters\StringEmptyConverter.cs" />
     <Compile Include="Converters\StringNullOrEmptyToVisibilityConverter.cs" />
+    <Compile Include="Helper\ListBoxItems.cs" />
     <Compile Include="Helper\SingletonWindowOpener.cs" />
     <Compile Include="ImageLoader\ImageCacheStroage.cs" />
     <Compile Include="ShellContext\ShellContextMenuManager.cs" />
@@ -280,7 +281,9 @@
       <Generator>ResXFileCodeGenerator</Generator>
       <LastGenOutput>Resources.Designer.cs</LastGenOutput>
     </EmbeddedResource>
-    <None Include="App.config" />
+    <None Include="App.config">
+      <SubType>Designer</SubType>
+    </None>
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>