private async Task AddFromSource(ITemplateSource source, string searchTerm, VisualStudio.Imaging.Interop.ImageMoniker image, CategorizedViewModel parent, CancellationToken ct, string continuationToken = null) {
var loading = new LoadingViewModel();
parent.Templates.Add(loading);
try {
var result = await source.GetTemplatesAsync(searchTerm, continuationToken, ct);
foreach (var t in result.Templates) {
ct.ThrowIfCancellationRequested();
var vm = new TemplateViewModel();
vm.DisplayName = t.Name;
vm.Description = t.Description;
vm.RemoteUrl = t.RemoteUrl;
vm.ClonedPath = t.LocalFolderPath;
vm.Image = image;
parent.Templates.Add(vm);
}
ct.ThrowIfCancellationRequested();
if (result.ContinuationToken != null) {
parent.Templates.Add(new ContinuationViewModel(result.ContinuationToken));
}
} catch (TemplateEnumerationException ex) {
var template = new ErrorViewModel() {
ErrorDescription = ex.Message,
ErrorDetails = ex.InnerException?.Message,
};
parent.Templates.Add(template);
} finally {
parent.Templates.Remove(loading);
}
}
private async Task AddFromSourceAsync(
ITemplateSource source,
string searchTerm,
CategorizedViewModel parent,
bool alterSelection,
CancellationToken ct,
string continuationToken = null,
VisualStudio.Imaging.Interop.ImageMoniker?updateableImage = null
)
{
var loading = new LoadingViewModel();
parent.Templates.Add(loading);
if (alterSelection)
{
loading.IsSelected = true;
}
try {
var result = await source.GetTemplatesAsync(searchTerm, continuationToken, ct);
foreach (var t in result.Templates)
{
ct.ThrowIfCancellationRequested();
var vm = new TemplateViewModel();
vm.DisplayName = t.Name;
vm.Description = t.Description;
vm.AvatarUrl = t.AvatarUrl;
vm.OwnerUrl = t.OwnerUrl;
vm.RemoteUrl = t.RemoteUrl;
vm.ClonedPath = t.LocalFolderPath;
vm.Category = parent.DisplayName;
vm.IsUpdateAvailable = t.UpdateAvailable == true;
parent.Templates.Add(vm);
}
ct.ThrowIfCancellationRequested();
if (result.ContinuationToken != null)
{
var loadMore = new ContinuationViewModel(result.ContinuationToken);
parent.Templates.Add(loadMore);
}
} catch (TemplateEnumerationException ex) {
var template = new ErrorViewModel()
{
ErrorDescription = ex.Message,
ErrorDetails = ex.InnerException?.Message,
};
parent.Templates.Add(template);
} finally {
// Check if the loading item is still selected before we remove it, the user
// may have selected something else while we were loading results.
bool loadingStillSelected = loading.IsSelected;
parent.Templates.Remove(loading);
if (alterSelection && loadingStillSelected)
{
// Loading was still selected, so select something else.
var newLast = parent.Templates.LastOrDefault() as TreeItemViewModel;
if (newLast != null)
{
newLast.IsSelected = true;
}
}
}
}
private async Task AddFromSource(
ITemplateSource source,
string searchTerm,
CategorizedViewModel parent,
CancellationToken ct,
string continuationToken = null,
VisualStudio.Imaging.Interop.ImageMoniker? updateableImage = null
) {
var loading = new LoadingViewModel();
parent.Templates.Add(loading);
try {
var result = await source.GetTemplatesAsync(searchTerm, continuationToken, ct);
foreach (var t in result.Templates) {
ct.ThrowIfCancellationRequested();
var vm = new TemplateViewModel();
vm.DisplayName = t.Name;
vm.Description = t.Description;
vm.AvatarUrl = t.AvatarUrl;
vm.OwnerUrl = t.OwnerUrl;
vm.RemoteUrl = t.RemoteUrl;
vm.ClonedPath = t.LocalFolderPath;
vm.IsUpdateAvailable = t.UpdateAvailable == true;
parent.Templates.Add(vm);
}
ct.ThrowIfCancellationRequested();
if (result.ContinuationToken != null) {
parent.Templates.Add(new ContinuationViewModel(result.ContinuationToken));
}
} catch (TemplateEnumerationException ex) {
var template = new ErrorViewModel() {
ErrorDescription = ex.Message,
ErrorDetails = ex.InnerException?.Message,
};
parent.Templates.Add(template);
} finally {
parent.Templates.Remove(loading);
}
}