Update Unity installer URL parser (fixes #155), #BUILD

Author: unitycoder

UnityLauncherPro/MainWindow.xaml

@@ -440,7 +440,7 @@
                     <RadioButton x:Name="rdoBetas" Content="Beta" VerticalAlignment="Top" HorizontalAlignment="Left" Margin="400,2,0,0" Checked="rdoAll_Checked" GroupName="groupUpdateFilter" />
 
                     <!-- hash build downloader, hidden for now, until have some UI ideas -->
-                    <TextBox x:Name="txtDownloadFromHash" BorderBrush="Transparent" CaretBrush="{DynamicResource ThemeSearchCaret}" Background="{DynamicResource ThemeTextBoxBackground}" SelectionBrush="{DynamicResource ThemeSearchSelection}" Foreground="{DynamicResource ThemeSearchForeground}"  MinWidth="80" ToolTip="Try to download hidden release using Build Hash" Padding="0,3,0,0" Margin="640,4,138,0" VerticalAlignment="Top" Width="100" PreviewKeyDown="txtDownloadFromHash_PreviewKeyDown" Visibility="Hidden" />
+                    <!--<TextBox x:Name="txtDownloadFromHash" BorderBrush="Transparent" CaretBrush="{DynamicResource ThemeSearchCaret}" Background="{DynamicResource ThemeTextBoxBackground}" SelectionBrush="{DynamicResource ThemeSearchSelection}" Foreground="{DynamicResource ThemeSearchForeground}"  MinWidth="80" ToolTip="Try to download hidden release using this ChangeSet Hash" Padding="0,3,0,0" Margin="730,4,48,0" VerticalAlignment="Top" Width="100" PreviewKeyDown="txtDownloadFromHash_PreviewKeyDown" />-->
 
                     <Button Style="{StaticResource CustomButton}" ToolTip="Fetch released versions" x:Name="btnRefreshUpdatesList" Content="⟳" Height="22" Width="26" HorizontalAlignment="Right" VerticalAlignment="Top" FontSize="16"  Margin="0,4,3,0" Padding="1,-2,1,1" BorderBrush="{x:Null}" Click="OnGetUnityUpdatesClick"/>
                     <DataGrid x:Name="dataGridUpdates"  SelectionMode="Single" Margin="4,30,2,42" Background="{x:Null}" BorderBrush="{x:Null}" ColumnHeaderStyle="{StaticResource HeaderStyle}" Padding="0" HorizontalScrollBarVisibility="Disabled" HeadersVisibility="Column" Foreground="{DynamicResource ThemeGridForeground}" HorizontalGridLinesBrush="{DynamicResource ThemeDatagridLines}" VerticalGridLinesBrush="{DynamicResource ThemeGridVerticalGridLines}" AutoGenerateColumns="False" PreviewKeyDown="DataGridUpdates_PreviewKeyDown" PreviewMouseDoubleClick="DataGridUpdates_PreviewMouseDoubleClick" Sorting="dataGridUpdates_Sorting">

UnityLauncherPro/MainWindow.xaml.cs

@@ -289,6 +289,8 @@ void FilterUpdates()
         {
             _filterString = txtSearchBoxUpdates.Text;
             ICollectionView collection = CollectionViewSource.GetDefaultView(dataGridUpdates.ItemsSource);
+            if (collection == null) return;
+
             collection.Filter = UpdatesFilter;
             if (dataGridUpdates.Items.Count > 0)
             {
@@ -360,7 +362,7 @@ private bool UpdatesFilter(object item)
             bool matchBetas = checkedBetas && Tools.IsBeta(unity.Version);
 
             // match search string and some radiobutton
-            if (haveSearchString)
+            if (haveSearchString == true)
             {
                 if (checkedAlls) return matchString;
                 if (checkedLTSs) return matchString && matchLTS;
@@ -1297,6 +1299,13 @@ private void GridRecent_PreviewKeyDown(object sender, KeyEventArgs e)
                 case Key.End: // override end
                     // if edit mode, dont override keys
                     if (IsEditingCell(gridRecent) == true) return;
+                    // if in args column, dont jump to end of list, but end of this field
+                    if (gridRecent.CurrentCell.Column.DisplayIndex == 4)
+                    {
+                        // start editing this cell
+                        gridRecent.BeginEdit();
+                        return;
+                    }
                     gridRecent.SelectedIndex = gridRecent.Items.Count - 1;
                     gridRecent.ScrollIntoView(gridRecent.SelectedItem);
                     e.Handled = true;