/// <summary>
/// Called when the load books button is clicked. Load the list of available books for the selected
/// language
/// </summary>
/// <param name="sender">
/// The parameter is not used.
/// </param>
/// <param name="e">
/// The parameter is not used.
/// </param>
private void LoadBooksClick( object sender, EventArgs e )
{
string path = ((Locale)languageSelection.SelectedItem).CatalogLink;
SetBusyState();
downloadProgress.Style = ProgressBarStyle.Marquee;
startupTip.Visible = false;
loadingBooksTip.Visible = true;
Task.Factory.StartNew(
() =>
{
using ( Downloader downloader = new Downloader() )
{
return downloader.LoadBooksInformation( path );
}
} ).ContinueWith(
t =>
{
if ( t.Status == TaskStatus.Faulted )
{
string message = string.Format(
CultureInfo.CurrentCulture,
"Failed to retrieve book information - {0}",
t.Exception == null ? "Unknown error" : t.Exception.GetBaseException().Message );
MessageBox.Show(
message,
Application.ProductName,
MessageBoxButtons.OK,
MessageBoxIcon.Error,
MessageBoxDefaultButton.Button1,
0 );
}
else
{
products = t.Result;
DisplayBooks();
}
ClearBusyState();
},
TaskScheduler.FromCurrentSynchronizationContext() );
}
/// <summary>
/// Called to update the available locales for the selected version of visual studio
/// </summary>
private void UpdateLocales()
{
if ( vsVersion.SelectedIndex == -1 )
{
return;
}
string[] vsVersions = { "visualstudio11", "visualstudio12", "dev14" };
string version = vsVersions[vsVersion.SelectedIndex];
loadingBooksTip.Visible = true;
startupTip.Visible = false;
languageSelection.Items.Clear();
downloadProgress.Style = ProgressBarStyle.Marquee;
Task.Factory.StartNew(
() =>
{
using (Downloader downloader = new Downloader())
{
return downloader.LoadAvailableLocales( version );
}
})
.ContinueWith(
t =>
{
languageSelection.DisplayMember = "Name";
t.Result.ForEach(x => languageSelection.Items.Add(x));
ClearBusyState();
startupTip.Visible = true;
},
TaskScheduler.FromCurrentSynchronizationContext());
}
/// <summary>
/// Called when the download books button is clicked. Start downloading in a background thread
/// </summary>
/// <param name="sender">
/// The parameter is not used.
/// </param>
/// <param name="e">
/// The parameter is not used.
/// </param>
private void DownloadBooksClick( object sender, EventArgs e )
{
SetBusyState();
downloadProgress.Style = ProgressBarStyle.Continuous;
downloadProgress.Value = 0;
Task.Factory.StartNew(
() =>
{
using ( Downloader downloader = new Downloader() )
{
downloader.DownloadBooks( products, cacheDirectory.Text, OrangeCHelpFileDirectory, (Locale)languageSelection.SelectedItem, this );
}
} )
.ContinueWith(
t =>
{
if ( t.Status == TaskStatus.Faulted )
{
string message = string.Format(
CultureInfo.CurrentCulture,
"Download failed - {0}",
t.Exception == null ? "Unknown error" : t.Exception.GetBaseException().Message );
MessageBox.Show(
message,
Application.ProductName,
MessageBoxButtons.OK,
MessageBoxIcon.Error,
MessageBoxDefaultButton.Button1,
0 );
}
else
{
MessageBox.Show(
"Download completed successfully",
Application.ProductName,
MessageBoxButtons.OK,
MessageBoxIcon.Information,
MessageBoxDefaultButton.Button1,
0 );
}
ClearBusyState();
DisplayBooks();
downloadProgress.Value = 0;
},
TaskScheduler.FromCurrentSynchronizationContext() );
}