// Raised when the asynchronous call to search the ArcGIS Portal has completed.
private void SearchItemsCompleted(SearchResultInfo <ArcGISPortalItem> result, Exception ex)
{
if (ex != null) // Error occurred
{
IsSearching = false; // Reset busy state
OnSearchFailed(ex); // Fire failed event
return;
}
if (_cancelled) // search was cancelled
{
_cancelled = false;
return;
}
if (!_pageChangeSearch) // Result of a new search
{
// Add and initialize results
foreach (ArcGISPortalItem item in result.Results)
{
SearchResultViewModel viewModel = new SearchResultViewModel(item)
{
ProxyUrl = this.UseProxy ? this.ProxyUrl : null
};
_results.Add(viewModel);
viewModel.Initialize();
}
// Add empty results for each of the pages not yet returned
for (int i = 0; i < result.TotalCount - _pageSize; i++)
{
SearchResultViewModel viewModel = new SearchResultViewModel()
{
ProxyUrl = this.UseProxy ? this.ProxyUrl : null
};
_results.Add(viewModel);
}
OnSearchCompleted(); // Fire completed event
}
else // Result of a search initiated by a page change
{
// index in the entire collection of the first result on the current page
int i = _searchStartIndex - 1;
foreach (ArcGISPortalItem item in result.Results)
{
// Update the empty result corresponding to the return portal item
SearchResultViewModel viewModel = _results[i];
viewModel.Result = item;
viewModel.Initialize();
i++;
}
// Execute the requested page change
PagedResults.MoveToPage(_pagesRetrieved[_pagesRetrieved.Count - 1]);
// Reset flag
_pageChangeSearch = false;
}
IsSearching = false; // Reset busy state
}
// Raised when the asynchronous call to search the ArcGIS Portal has completed.
private void SearchItemsCompleted(SearchResultInfo<ArcGISPortalItem> result, Exception ex)
{
if (ex != null) // Error occurred
{
IsSearching = false; // Reset busy state
OnSearchFailed(ex); // Fire failed event
return;
}
if (_cancelled) // search was cancelled
{
_cancelled = false;
return;
}
if (!_pageChangeSearch) // Result of a new search
{
// Add and initialize results
foreach (ArcGISPortalItem item in result.Results)
{
SearchResultViewModel viewModel = new SearchResultViewModel(item)
{ ProxyUrl = this.UseProxy ? this.ProxyUrl : null };
_results.Add(viewModel);
viewModel.Initialize();
}
// Add empty results for each of the pages not yet returned
for (int i = 0; i < result.TotalCount - _pageSize; i++)
{
SearchResultViewModel viewModel = new SearchResultViewModel()
{ ProxyUrl = this.UseProxy ? this.ProxyUrl : null };
_results.Add(viewModel);
}
OnSearchCompleted(); // Fire completed event
}
else // Result of a search initiated by a page change
{
// index in the entire collection of the first result on the current page
int i = _searchStartIndex - 1;
foreach (ArcGISPortalItem item in result.Results)
{
// Update the empty result corresponding to the return portal item
SearchResultViewModel viewModel = _results[i];
viewModel.Result = item;
viewModel.Initialize();
i++;
}
// Execute the requested page change
PagedResults.MoveToPage(_pagesRetrieved[_pagesRetrieved.Count - 1]);
// Reset flag
_pageChangeSearch = false;
}
IsSearching = false; // Reset busy state
}
/// <summary>
/// Raised when the asynchronous call to check if the map service is accessible has completed.
/// </summary>
private void CheckServiceAccessCompleted(object sender, ServiceEventArgs e)
{
if (e.Service == null)
return; //the map service is not accessible
// Check the current result against the ones already received. Duplicates are often found.
bool alreadyAdded = false;
foreach (SearchResultViewModel result in _checkedResults)
{
ArcGISService webSearchRes = (ArcGISService)result.Result;
if (webSearchRes.Title.Equals(e.Service.Title) && webSearchRes.Url.Equals(e.Service.Url))
{
alreadyAdded = true; //add search results only once
break;
}
}
// If it's a new service, initialize the result viewModel and add it to the collection of
// results that have had their service access checked
if (!alreadyAdded && !_cancelled)
{
SearchResultViewModel viewModel = new SearchResultViewModel(e.Service)
{ ProxyUrl = this.UseProxy ? this.ProxyUrl : null };
_checkedResults.Add(viewModel);
viewModel.Initialized += resultViewModel_Initialized;
viewModel.Initialize();
}
}