private void UpdateNumberOfPackages(PackagesTreeNodeBase selectedNode)
{
// OnPackageLoadCompleted(selectedNode), which calls this method, is called by QueryExecutionCompleted
// QueryExecutionCompleted is called when an asynchronous query execution completes
// And, queries are executed from several places including SortSelectionChanged on the node which is always
// called by default on the first node, not necessarily, the selected node by VsExtensionsProvider
// This means the selectedNode, here, may not actually be THE selectedNode at this point
// So, check if it is indeed selected before doing anything. Note that similar check is performed on QueryExecutionCompleted too
if (selectedNode != null && selectedNode.IsSelected)
{
if (!selectedNode.IsSearchResultsNode && selectedNode.TotalNumberOfPackages > 1)
{
// After performing Update All, if user switches to another page, we don't want to show
// the Update All button again. Here we check to make sure there's at least one enabled package.
if (selectedNode.Extensions.OfType <PackageItem>().Any(p => p.IsEnabled))
{
_updateAllUIService.Show();
}
else
{
_updateAllUIService.Hide();
}
}
else
{
_updateAllUIService.Hide();
}
}
}
private void AddSearchNode()
{
if (_searchNode != null && !RootNode.Nodes.Contains(_searchNode))
{
// remember the currently selected node so that when search term is cleared, we can restore it.
_lastSelectedNode = SelectedNode;
RootNode.Nodes.Add(_searchNode);
SelectNode(_searchNode);
}
}
private void UpdateNumberOfPackages(PackagesTreeNodeBase selectedNode)
{
if (selectedNode != null && !selectedNode.IsSearchResultsNode && selectedNode.TotalNumberOfPackages > 1)
{
_updateAllUIService.Show();
}
else
{
_updateAllUIService.Hide();
}
}
public PackagesSearchNode(PackagesProviderBase provider, IVsExtensionsTreeNode parent, PackagesTreeNodeBase baseNode, string searchText)
: base(parent, provider)
{
if (baseNode == null) {
throw new ArgumentNullException("baseNode");
}
_searchText = searchText;
_baseNode = baseNode;
// Mark this node as a SearchResults node to assist navigation in ExtensionsExplorer
IsSearchResultsNode = true;
}
public PackagesSearchNode(PackagesProviderBase provider, IVsExtensionsTreeNode parent, PackagesTreeNodeBase baseNode, string searchText) :
base(parent, provider, baseNode.CollapseVersions)
{
if (baseNode == null)
{
throw new ArgumentNullException("baseNode");
}
_searchText = searchText;
_baseNode = baseNode;
// Mark this node as a SearchResults node to assist navigation in ExtensionsExplorer
IsSearchResultsNode = true;
}
private void UpdateNumberOfPackages(PackagesTreeNodeBase selectedNode)
{
if (selectedNode != null && !selectedNode.IsSearchResultsNode && selectedNode.TotalNumberOfPackages > 1)
{
// After performing Update All, if user switches to another page, we don't want to show
// the Update All button again. Here we check to make sure there's at least one enabled package.
if (selectedNode.Extensions.OfType <PackageItem>().Any(p => p.IsEnabled))
{
_updateAllUIService.Show();
}
else
{
_updateAllUIService.Hide();
}
}
else
{
_updateAllUIService.Hide();
}
}
protected override void FillRootNodes()
{
var packageSources = _packageSourceProvider.GetPackageSources();
// create one tree node per package source
foreach (var source in packageSources)
{
PackagesTreeNodeBase node = null;
try {
var repository = new LazyRepository(_packageRepositoryFactory, source);
node = CreateTreeNodeForPackageSource(source, repository);
}
catch (Exception exception) {
// exception occurs if the Source value is invalid. In which case, adds an empty tree node in place.
node = new EmptyTreeNode(this, source.Name, RootNode);
ExceptionHelper.WriteToActivityLog(exception);
}
RootNode.Nodes.Add(node);
}
}
protected void SelectNode(PackagesTreeNodeBase node)
{
node.IsSelected = true;
SelectedNode = node;
}
private void UpdateNumberOfPackages(PackagesTreeNodeBase selectedNode)
{
// OnPackageLoadCompleted(selectedNode), which calls this method, is called by QueryExecutionCompleted
// QueryExecutionCompleted is called when an asynchronous query execution completes
// And, queries are executed from several places including SortSelectionChanged on the node which is always
// called by default on the first node, not necessarily, the selected node by VsExtensionsProvider
// This means the selectedNode, here, may not actually be THE selectedNode at this point
// So, check if it is indeed selected before doing anything. Note that similar check is performed on QueryExecutionCompleted too
if (selectedNode != null && selectedNode.IsSelected)
{
if (!selectedNode.IsSearchResultsNode && selectedNode.TotalNumberOfPackages > 1)
{
// After performing Update All, if user switches to another page, we don't want to show
// the Update All button again. Here we check to make sure there's at least one enabled package.
if (selectedNode.Extensions.OfType<PackageItem>().Any(p => p.IsEnabled))
{
_updateAllUIService.Show();
}
else
{
_updateAllUIService.Hide();
}
}
else
{
_updateAllUIService.Hide();
}
}
}
public override void OnPackageLoadCompleted(PackagesTreeNodeBase selectedNode)
{
base.OnPackageLoadCompleted(selectedNode);
UpdateNumberOfPackages(selectedNode);
}
public override void OnPackageLoadCompleted(PackagesTreeNodeBase selectedNode)
{
_baseProvider.OnPackageLoadCompleted(selectedNode);
}
protected void SelectNode(PackagesTreeNodeBase node)
{
node.IsSelected = true;
SelectedNode = node;
}
public virtual void OnPackageLoadCompleted(PackagesTreeNodeBase selectedNode)
{
}
public PagedPackagesSearchNode(PackagesProviderBase provider, IVsExtensionsTreeNode parent, PackagesTreeNodeBase baseNode, string searchText) :
base(provider, parent, baseNode, searchText)
{
}
private void UpdateNumberOfPackages(PackagesTreeNodeBase selectedNode)
{
if (selectedNode != null && !selectedNode.IsSearchResultsNode && selectedNode.TotalNumberOfPackages > 1)
{
_updateAllUIService.Show();
}
else
{
_updateAllUIService.Hide();
}
}
private void AddSearchNode()
{
if (_searchNode != null && !RootNode.Nodes.Contains(_searchNode)) {
// remember the currently selected node so that when search term is cleared, we can restore it.
_lastSelectedNode = SelectedNode;
RootNode.Nodes.Add(_searchNode);
SelectNode(_searchNode);
}
}
public override void OnPackageLoadCompleted(PackagesTreeNodeBase selectedNode)
{
base.OnPackageLoadCompleted(selectedNode);
UpdateNumberOfPackages(selectedNode);
}
public override void OnPackageLoadCompleted(PackagesTreeNodeBase selectedNode)
{
_baseProvider.OnPackageLoadCompleted(selectedNode);
}
private static PackagesSearchNode CreatePackagesSearchNode(string searchTerm, int numberOfPackages = 1, bool collapseVersions = true, PackagesTreeNodeBase baseNode = null)
{
PackagesProviderBase provider = new MockPackagesProvider();
IVsExtensionsTreeNode parentTreeNode = new Mock<IVsExtensionsTreeNode>().Object;
PackagesTreeNodeBase baseTreeNode;
if (baseNode != null)
{
baseTreeNode = baseNode;
}
else
{
baseTreeNode = new MockTreeNode(parentTreeNode, provider, numberOfPackages, collapseVersions);
}
return new PackagesSearchNode(provider, parentTreeNode, baseTreeNode, searchTerm);
}
private void UpdateNumberOfPackages(PackagesTreeNodeBase selectedNode)
{
if (selectedNode != null && !selectedNode.IsSearchResultsNode && selectedNode.TotalNumberOfPackages > 1)
{
// After performing Update All, if user switches to another page, we don't want to show
// the Update All button again. Here we check to make sure there's at least one enabled package.
if (selectedNode.Extensions.OfType<PackageItem>().Any(p => p.IsEnabled))
{
_updateAllUIService.Show();
}
else
{
_updateAllUIService.Hide();
}
}
else
{
_updateAllUIService.Hide();
}
}
private static void TreeNodeActionTest(PackagesTreeNodeBase node,
Action<PackagesTreeNodeBase> treeNodeAction,
Action<PackagesTreeNodeBase> callback,
int? pageSize = null)
{
// Arrange
ManualResetEventSlim resetEvent = new ManualResetEventSlim(initialState: false);
node.PageSize = pageSize ?? node.PageSize;
Exception exception = null;
node.PackageLoadCompleted += delegate
{
try
{
// Callback for assertion
callback(node);
}
catch (Exception e)
{
// There was an exception when running the callback async, so record the exception
exception = e;
}
finally
{
// If there is an exception we don't want to freeze the unit test forever
resetEvent.Set();
}
};
// Act
treeNodeAction(node);
// Wait for the event to get signaled
resetEvent.Wait();
// Make sure there was no exception
Assert.Null(exception);
}
public virtual void OnPackageLoadCompleted(PackagesTreeNodeBase selectedNode)
{
}
