protected override bool CanAdd(IProjectTree target)
{
return(OrderingHelper.HasValidDisplayOrder(target));
}
protected override async Task <bool> TryHandleCommandAsync(IProjectTree node, bool focused, long commandExecuteOptions, IntPtr variantArgIn, IntPtr variantArgOut)
{
var nodeToAddTo = GetNodeToAddTo(node);
// Publish any existing changes that could potentially be here.
// Then call OnAddingNodesAsync.
// Then publish changes that could have taken place in OnAddingNodesAsync.
await _projectTree.TreeService.PublishLatestTreeAsync(waitForFileSystemUpdates : true).ConfigureAwait(true);
await OnAddingNodesAsync(nodeToAddTo).ConfigureAwait(true);
await _projectTree.TreeService.PublishLatestTreeAsync(waitForFileSystemUpdates : true).ConfigureAwait(true);
// Get the difference to see what was added.
// We do a sanity check to make sure they have a valid display order.
// We also order the added nodes by their display order.
var updatedNode = _projectTree.CurrentTree.Find(node.Identity);
var updatedNodeToAddTo = _projectTree.CurrentTree.Find(nodeToAddTo.Identity);
var addedNodes =
updatedNodeToAddTo.Children.Where(x => !nodeToAddTo.TryFind(x.Identity, out var subtree) && OrderingHelper.HasValidDisplayOrder(x))
.OrderBy(OrderingHelper.GetDisplayOrder).ToList();
if (addedNodes.Any())
{
await OnAddedNodesAsync(_projectVsServices.ActiveConfiguredProject, addedNodes, updatedNode).ConfigureAwait(true);
}
return(true);
}