/// <summary>
/// Browse the tree nodes
/// </summary>
/// <param name="id"></param>
/// <param name="parentId"></param>
/// <param name="direction"></param>
private async Task BrowseTreeAsync(BrowseDirection direction, int index, bool isLoadingMore, string id = null, List <string> parentId = null)
{
IsLoading = true;
if (!isLoadingMore)
{
ParentId = parentId;
Items = await BrowseManager.GetTreeAsync(EndpointId,
id,
parentId,
DiscovererId,
direction,
index,
Credential);
}
else
{
Items = await BrowseManager.GetTreeNextAsync(EndpointId,
ParentId,
DiscovererId,
Credential,
Items);
}
PublishedNodes = await Publisher.PublishedAsync(EndpointId, false);
foreach (var node in Items.Results)
{
if (node.NodeClass == NodeClass.Variable)
{
node.Value = await BrowseManager.ReadValueAsync(EndpointId, node.Id, Credential);
// check if publishing enabled
foreach (var publishedNode in PublishedNodes.Results)
{
if (node.Id == publishedNode.PublishedItem.NodeId)
{
node.PublishedItem = publishedNode.PublishedItem;
node.Publishing = true;
break;
}
}
}
}
if (string.IsNullOrEmpty(DiscovererId))
{
NavigationManager.NavigateTo(NavigationManager.BaseUri + "browser/" + "/" + ApplicationId + "/" + EndpointId);
}
else
{
NavigationManager.NavigateTo(NavigationManager.BaseUri + "browser/" + "/" + DiscovererId + "/" + ApplicationId + "/" + SupervisorId + "/" + EndpointId);
}
IsLoading = false;
}
private async Task WriteAsync(string nodeId, string value)
{
Response = await BrowseManager.WriteValueAsync(EndpointId, nodeId, value, Credential);
var newValue = await BrowseManager.ReadValueAsync(EndpointId, nodeId, Credential);
var index = PagedNodeList.Results.IndexOf(PagedNodeList.Results.SingleOrDefault(x => x.Id == nodeId));
PagedNodeList.Results[index].Value = newValue;
ResponseClass = "list-group-item margin body-action-content visible";
}
/// <summary>
/// Notify page change
/// </summary>
/// <param name="page"></param>
public async Task PagerPageChangedAsync(int page)
{
CommonHelper.Spinner = "loader-big";
StateHasChanged();
if (!string.IsNullOrEmpty(NodeList.ContinuationToken) && page > PagedNodeList.PageCount)
{
await BrowseTreeAsync(BrowseDirection.Forward, 0, false, page);
}
PagedNodeList = NodeList.GetPaged(page, CommonHelper.PageLength, null);
foreach (var node in PagedNodeList.Results)
{
//fetch the actual value
if (node.NodeClass == NodeClass.Variable)
{
node.Value = await BrowseManager.ReadValueAsync(EndpointId, node.Id, Credential);
}
}
CommonHelper.Spinner = string.Empty;
StateHasChanged();
}
private async Task ReadAsync(string nodeId)
{
Response = await BrowseManager.ReadValueAsync(EndpointId, nodeId, Credential);
ResponseClass = "list-group-item text-left margin body-action-content visible";
}