From 2de33134ce6f541a26aa3f81944b81400ef739df Mon Sep 17 00:00:00 2001
From: Chris Kaczor <chris@kaczorzoo.net>
Date: Tue, 29 Mar 2016 21:29:02 -0400
Subject: [PATCH] Add feed chooser window when dragging in an HTML link with
 multiple feeds

---
 Application/FeedCenter.csproj                |  7 +++
 Application/FeedChooserWindow.xaml           | 65 ++++++++++++++++++++
 Application/FeedChooserWindow.xaml.cs        | 52 ++++++++++++++++
 Application/MainWindow.xaml.cs               | 16 +++--
 Application/Properties/Resources.Designer.cs | 11 +++-
 Application/Properties/Resources.resx        |  3 +
 6 files changed, 148 insertions(+), 6 deletions(-)
 create mode 100644 Application/FeedChooserWindow.xaml
 create mode 100644 Application/FeedChooserWindow.xaml.cs

diff --git a/Application/FeedCenter.csproj b/Application/FeedCenter.csproj
index e31cf55..13d466b 100644
--- a/Application/FeedCenter.csproj
+++ b/Application/FeedCenter.csproj
@@ -187,6 +187,9 @@
     <Reference Include="PresentationFramework" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="FeedChooserWindow.xaml.cs">
+      <DependentUpon>FeedChooserWindow.xaml</DependentUpon>
+    </Compile>
     <Compile Include="SystemConfiguration.cs" />
     <Page Include="App.xaml">
       <Generator>MSBuild:Compile</Generator>
@@ -266,6 +269,10 @@
     <Compile Include="SplashWindow.xaml.cs">
       <DependentUpon>SplashWindow.xaml</DependentUpon>
     </Compile>
+    <Page Include="FeedChooserWindow.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="FeedErrorWindow.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
diff --git a/Application/FeedChooserWindow.xaml b/Application/FeedChooserWindow.xaml
new file mode 100644
index 0000000..a3d7e45
--- /dev/null
+++ b/Application/FeedChooserWindow.xaml
@@ -0,0 +1,65 @@
+<Window x:Class="FeedCenter.FeedChooserWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:windows="clr-namespace:Common.Wpf.Windows;assembly=Common.Wpf"
+        xmlns:my="clr-namespace:FeedCenter.Properties"
+        mc:Ignorable="d"
+        Title="{x:Static my:Resources.FeedChooserWindow}"
+        Height="247.297"
+        Width="419.594"
+        WindowStartupLocation="CenterOwner"
+        Icon="/FeedCenter;component/Resources/Application.ico"
+        FocusManager.FocusedElement="{Binding ElementName=FeedDataGrid}"
+        windows:ControlBox.HasMaximizeButton="False"
+        windows:ControlBox.HasMinimizeButton="False">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="*" />
+            <RowDefinition Height="Auto" />
+        </Grid.RowDefinitions>
+        <DataGrid AutoGenerateColumns="False"
+                  x:Name="FeedDataGrid"
+                  CanUserReorderColumns="False"
+                  GridLinesVisibility="None"
+                  SelectionMode="Single"
+                  IsReadOnly="True"
+                  CanUserResizeRows="False"
+                  HeadersVisibility="Column"
+                  Margin="6"
+                  Background="{x:Null}"
+                  CanUserSortColumns="True"
+                  MouseDoubleClick="HandleMouseDoubleClick">
+            <DataGrid.CellStyle>
+                <Style TargetType="{x:Type DataGridCell}">
+                    <Setter Property="BorderThickness"
+                            Value="0" />
+                </Style>
+            </DataGrid.CellStyle>
+            <DataGrid.Columns>
+                <DataGridTextColumn Header="{x:Static my:Resources.FeedNameColumnHeader}"
+                                    Binding="{Binding Item2}"
+                                    Width="*"
+                                    SortDirection="Ascending" />
+            </DataGrid.Columns>
+        </DataGrid>
+        <Button Content="{x:Static my:Resources.OkayButton}"
+                Height="23"
+                IsDefault="True"
+                Width="75"
+                Click="HandleOkayButtonClick"
+                Margin="0,0,90,10"
+                Grid.Row="1"
+                VerticalAlignment="Bottom"
+                HorizontalAlignment="Right" />
+        <Button Content="{x:Static my:Resources.CancelButton}"
+                Height="23"
+                IsCancel="True"
+                Width="75"
+                Margin="0,0,10,10"
+                Grid.Row="1"
+                VerticalAlignment="Bottom"
+                HorizontalAlignment="Right" />
+    </Grid>
+</Window>
diff --git a/Application/FeedChooserWindow.xaml.cs b/Application/FeedChooserWindow.xaml.cs
new file mode 100644
index 0000000..aae4c3b
--- /dev/null
+++ b/Application/FeedChooserWindow.xaml.cs
@@ -0,0 +1,52 @@
+using System;
+using System.Collections.Generic;
+using System.Windows;
+
+namespace FeedCenter
+{
+    public partial class FeedChooserWindow
+    {
+        private string _returnLink;
+
+        public FeedChooserWindow()
+        {
+            InitializeComponent();
+        }
+
+        public string Display(Window owner, List<Tuple<string, string>> rssLinks)
+        {
+            // Bind to the list
+            FeedDataGrid.ItemsSource = rssLinks;
+            FeedDataGrid.SelectedIndex = 0;
+
+            // Set the window owner
+            Owner = owner;
+
+            ShowDialog();
+
+            return _returnLink;
+        }
+
+        private void Save()
+        {
+            var selectedItem = (Tuple<string, string>) FeedDataGrid.SelectedItem;
+
+            _returnLink = selectedItem.Item1;
+
+            Close();
+        }
+
+        private void HandleOkayButtonClick(object sender, RoutedEventArgs e)
+        {
+            Save();
+        }
+
+        private void HandleMouseDoubleClick(object sender, System.Windows.Input.MouseButtonEventArgs e)
+        {
+            if (FeedDataGrid.SelectedItem != null)
+            {
+                Save();
+            }
+        }
+    }
+}
diff --git a/Application/MainWindow.xaml.cs b/Application/MainWindow.xaml.cs
index ab54f9d..ef21f2c 100644
--- a/Application/MainWindow.xaml.cs
+++ b/Application/MainWindow.xaml.cs
@@ -808,17 +808,23 @@ namespace FeedCenter
                     // Look for all RSS or atom links in the document
                     var rssLinks = htmlDocument.DocumentNode.Descendants("link")
                         .Where(n => n.Attributes["type"] != null && (n.Attributes["type"].Value == "application/rss+xml" || n.Attributes["type"].Value == "application/atom+xml"))
-                        .Select(n => UrlHelper.GetAbsoluteUrlString(feed.Source, n.Attributes["href"].Value))
-                        .ToArray();
+                        .Select(n => new Tuple<string, string>(UrlHelper.GetAbsoluteUrlString(feed.Source, n.Attributes["href"].Value), WebUtility.HtmlDecode(n.Attributes["title"]?.Value ?? string.Empty)))
+                        .ToList();
 
                     // If there was only one link found then switch to feed to it
-                    if (rssLinks.Length == 1)
+                    if (rssLinks.Count == 1)
                     {
-                        feed.Source = rssLinks[0];
+                        feed.Source = rssLinks[0].Item1;
                     }
                     else
                     {
-                        // TODO - show dialog to choose feed
+                        var feedChooserWindow = new FeedChooserWindow();
+                        var feedLink = feedChooserWindow.Display(this, rssLinks);
+
+                        if (string.IsNullOrEmpty(feedLink))
+                            return;
+
+                        feed.Source = feedLink;
                     }
                 }
             }
diff --git a/Application/Properties/Resources.Designer.cs b/Application/Properties/Resources.Designer.cs
index da8eb84..8d53d04 100644
--- a/Application/Properties/Resources.Designer.cs
+++ b/Application/Properties/Resources.Designer.cs
@@ -1,7 +1,7 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     This code was generated by a tool.
-//     Runtime Version:4.0.30319.34014
+//     Runtime Version:4.0.30319.42000
 //
 //     Changes to this file may cause incorrect behavior and will be lost if
 //     the code is regenerated.
@@ -613,6 +613,15 @@ namespace FeedCenter.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Choose Feed to Add.
+        /// </summary>
+        public static string FeedChooserWindow {
+            get {
+                return ResourceManager.GetString("FeedChooserWindow", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Error.
         /// </summary>
diff --git a/Application/Properties/Resources.resx b/Application/Properties/Resources.resx
index 10c340b..4b7f4b4 100644
--- a/Application/Properties/Resources.resx
+++ b/Application/Properties/Resources.resx
@@ -514,4 +514,7 @@
   <data name="DatabaseUpdate_6" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Scripts\DatabaseUpdate_6.sqlce;System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;utf-8</value>
   </data>
+  <data name="FeedChooserWindow" xml:space="preserve">
+    <value>Choose Feed to Add</value>
+  </data>
 </root>
\ No newline at end of file