simple Search pad for the Help system included

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@5866 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/Misc/HelpViewer/HelpViewer.addin

@@ -31,6 +31,12 @@
 		     icon     = "HtmlHelp2.16x16.Toc"
 		     class    = "MSHelpSystem.Controls.Help3TocPad"
 		     defaultPosition = "Right, Hidden" />
+		<Pad id       = "Help3TocPad"
+		     category = "Help3"
+		     title    = "${res:AddIns.HelpViewer.SearchPadTitle}"
+		     icon     = "HtmlHelp2.16x16.Search"
+		     class    = "MSHelpSystem.Controls.Help3SearchPad"
+		     defaultPosition = "Right, Hidden" />	
 	</Path>
 
 	<Path name = "/SharpDevelop/Workbench/MainMenu/Help">
@@ -39,5 +45,10 @@
 		          label        = "${res:AddIns.HelpViewer.DisplayContentsCommand}"
 		          shortcut     = "Control|Alt|F1"
 		          insertbefore = "Separator1" />
+		<MenuItem id           = "Help3DisplaySearchCommand"
+		          class        = "MSHelpSystem.Commands.DisplaySearch"
+		          label        = "${res:AddIns.HelpViewer.DisplaySearchCommand}"
+		          shortcut     = ""
+		          insertbefore = "Separator1" />	
 	</Path>
 </AddIn>

src/AddIns/Misc/HelpViewer/HelpViewer.csproj

@@ -66,6 +66,10 @@
     <Compile Include="Configuration\AssemblyInfo.cs" />
     <Compile Include="Source\BrowserScheme.cs" />
     <Compile Include="Source\Controls\Pads.cs" />
+    <Compile Include="Source\Controls\SearchPadControl.xaml.cs">
+      <DependentUpon>SearchPadControl.xaml</DependentUpon>
+      <SubType>Code</SubType>
+    </Compile>
     <Compile Include="Source\Controls\TocEntry.cs" />
     <Compile Include="Source\Controls\TocPadControl.xaml.cs">
       <DependentUpon>TocPadControl.xaml</DependentUpon>
@@ -95,6 +99,7 @@
     <Folder Include="Source\Controls" />
   </ItemGroup>
   <ItemGroup>
+    <Page Include="Source\Controls\SearchPadControl.xaml" />
     <Page Include="Source\Controls\TocPadControl.xaml" />
     <Page Include="Source\Help3OptionsPanel.xaml" />
   </ItemGroup>

src/AddIns/Misc/HelpViewer/Source/Commands.cs

@@ -48,5 +48,14 @@ namespace MSHelpSystem.Commands
 				if (toc != null) toc.BringPadToFront();
 			}
 		}
-	}	
+	}
+
+	public class DisplaySearch : AbstractMenuCommand
+	{
+		public override void Run()
+		{
+			PadDescriptor search = WorkbenchSingleton.Workbench.GetPad(typeof(Help3SearchPad));
+			if (search != null) search.BringPadToFront();
+		}
+	}
 }

src/AddIns/Misc/HelpViewer/Source/Controls/Pads.cs

@@ -17,4 +17,18 @@ namespace MSHelpSystem.Controls
 			get { return toc; }
 		}		
 	}
+
+	public class Help3SearchPad : AbstractPadContent
+	{
+		public Help3SearchPad()
+		{
+		}
+
+		SearchPadControl search = new SearchPadControl();
+
+		public override object Control
+		{
+			get { return search; }
+		}
+	}
 }

src/AddIns/Misc/HelpViewer/Source/Controls/SearchPadControl.xaml

@@ -0,0 +1,10 @@
+<UserControl x:Class="MSHelpSystem.Controls.SearchPadControl"
+	xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+	xmlns:core="http://icsharpcode.net/sharpdevelop/core"
+	xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+	<StackPanel>
+		<TextBlock Text="{core:Localize AddIns.HelpViewer.SearchLookForLabel}" Margin="5,2,5,1" />
+		<TextBox IsEnabled="False" Name="searchWord" Margin="5,1,5,5" Padding="2" SelectionChanged="SearchWordSelectionChanged" PreviewKeyUp="SearchWordPreviewKeyUp" />
+		<Button IsEnabled="False" Name="doSearch" Content="{core:Localize AddIns.HelpViewer.SearchDoSearchButton}" Margin="5" Width="80" Padding="1" HorizontalAlignment="Left" Click="DoSearchClicked" />
+	</StackPanel>
+</UserControl>

src/AddIns/Misc/HelpViewer/Source/Controls/SearchPadControl.xaml.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using MSHelpSystem.Core;
+
+namespace MSHelpSystem.Controls
+{
+	public partial class SearchPadControl : UserControl
+	{
+		public SearchPadControl()
+		{
+			InitializeComponent();
+			searchWord.IsEnabled = Help3Environment.IsHelp3ProtocolRegistered;
+		}
+
+		void SearchWordSelectionChanged(object sender, RoutedEventArgs e)
+		{
+			doSearch.IsEnabled = (Help3Environment.IsHelp3ProtocolRegistered && !string.IsNullOrEmpty(searchWord.Text));
+		}
+
+		void SearchWordPreviewKeyUp(object sender, KeyEventArgs e)
+		{
+			if (e.Key == Key.Return || e.Key == Key.Enter)
+				DoSearchClicked(null, null);
+		}
+		
+		void DoSearchClicked(object sender, RoutedEventArgs e)
+		{
+			string search = (string)searchWord.Text;
+			if (string.IsNullOrEmpty(search)) {
+				throw new ArgumentNullException("search");
+			}
+			DisplayHelp.Search(search);
+		}
+	}
+}