protected void Page_PreRender(object sender, EventArgs e)
{
//Get Settings
if (Request.RequestType == "POST")
{
}
else
{
//The method was a GET, therfore we must be paging.
_currentPage = Strings.ToInt(Request.Params["PageNum"], 1);
_recordsPerPage = Strings.ToInt(Request.Params["RecordsPerPage"], 10);
_offSet = Strings.ToInt(Request.Params["OffSet"], 0);
}
if (PerformSearch)
{
//set up the search collection
//determine what text needs to be removed from the title e.g. - National Cancer Institute
SiteWideSearchConfig searchConfig = ModuleObjectFactory <SiteWideSearchConfig> .GetModuleObject(SnippetInfo.Data);
if (searchConfig != null)
{
SearchCollection = searchConfig.SearchCollection;
}
if (Keyword != null)
{
//Store keyword in viewstate (This does not check if it is not there already)
if (ViewState[swKeyword] == null)
{
ViewState.Add(swKeyword, Keyword);
}
else
{
ViewState[swKeyword] = Keyword;
}
try
{
SiteWideSearchAPIResultCollection results = SiteWideSearchManager.Search(SearchCollection, Keyword, _recordsPerPage,
(_currentPage - 1) * _recordsPerPage);
rptSearchResults.DataSource = results.SearchResults;
rptSearchResults.DataBind();
if (results.ResultCount == 0)
{
ResultsText = "No results found";
rptSearchResults.Visible = false;
}
else
{
int startRecord = 0;
int endRecord = 0;
_resultsFound = true;
SimplePager.GetFirstItemLastItem(_currentPage, _recordsPerPage, (int)results.ResultCount, out startRecord, out endRecord);
//phNoResultsLabel.Visible = false;
rptSearchResults.Visible = true;
string resultsCount = String.Format("{0}-{1} of {2}", startRecord.ToString(), endRecord.ToString(), results.ResultCount.ToString());
ResultsText = "Results " + resultsCount;
}
spPager.RecordCount = (int)results.ResultCount;
spPager.RecordsPerPage = _recordsPerPage;
spPager.CurrentPage = _currentPage;
spPager.BaseUrl = PrettyUrl + "?swKeywordQuery=" + Keyword;
}
catch (Exception ex)
{
//capture exactly which keyword caused the error
log.Error("Search with the following keyword returned an error: " + Keyword, ex);
}
}
else
{
ResultsText = "No results found";
rptSearchResults.Visible = false;
}
}
else
{
ResultsText = String.Empty;
}
}
/// <summary>
/// This method is the one that sets up label text and binds the search results.
/// </summary>
private void LoadResults()
{
//Get Bestbets. Only show if we are on page one and we are not doing a search within
//the results, and if the search term is not empty.
if (CurrentPage == 1 && OldKeywords.Count == 0 && !string.IsNullOrWhiteSpace(SearchTerm))
{
BestBetUIResult[] bbResults = GetBestBetsResults(SearchTerm);
if (bbResults.Length > 0)
{
isBestBet = true;
rptBestBets.DataSource = bbResults;
rptBestBets.DataBind();
rptBestBets.Visible = true;
}
else
{
rptBestBets.Visible = false;
}
}
else
{
rptBestBets.Visible = false;
}
//Get Results...
SiteWideSearchAPIResultCollection results = null;
try
{
results = SiteWideSearchManager.Search(SearchCollection, SearchTerm, ItemsPerPage,
(CurrentPage - 1) * ItemsPerPage);
}
catch (Exception e)
{
//capture exactly which keyword caused the error
log.ErrorFormat("Search with the following keyword returned an error: {0}", e, KeywordText);
}
//Set the last total number of results so if the user changes the ItemsPerPage(pageunit)
//then we can move them to the closest page. Say you are viewing 10 items per page and
//you are on page 6. This shows 51-60. If you change to 50 items per page you should put
//the user on page 2 and not page 1. That way they will see 51-100.
TotalNumberOfResults = results.ResultCount;
PreviousItemsPerPage = ItemsPerPage;
int firstIndex, lastIndex;
//Get first index and last index
SimpleUlPager.GetFirstItemLastItem(CurrentPage, ItemsPerPage, (int)results.ResultCount, out firstIndex, out lastIndex);
_resultOffset = firstIndex;
if (results != null && results.ResultCount > 0)
{
//the title text that needs to be removed from the search result Title
string removeTitleText = ResultTitleText;
if (string.IsNullOrWhiteSpace(removeTitleText))
{
removeTitleText = ContentDeliveryEngineConfig.PageTitle.AppendPageTitle.Title;
}
rptResults.DataSource = from res in results.SearchResults
select new NCI.Web.UI.WebControls.TemplatedDataItem(
GetSearchResultTemplate(res),
new
{
URL = res.Url,
Title = (!string.IsNullOrEmpty(removeTitleText) && res.Title.Contains(removeTitleText)) ? res.Title.Remove(res.Title.IndexOf(removeTitleText)) : res.Title,
DisplayUrl = res.Url,
Description = res.Description,
Label = GetSearchResultLabel(res),
});
rptResults.DataBind();
}
//Set Keywords in labels
lblResultsForKeyword.Text = KeywordText;
lblTopResultsXofYKeyword.Text = KeywordText;
lblSearchWithinResultKeyword.Text = KeywordText;
//Show labels for results X of Y
ShowResultsXoYLabels(firstIndex, lastIndex, results.ResultCount);
//Setup pager
SetupPager();
//Set the Search Within Results Radio button to new search
rblSWRSearchType.SelectedIndex = 0;
//// Web Analytics *************************************************
// Add number of search results to analytics
this.PageInstruction.SetWebAnalytics(WebAnalyticsOptions.eVars.evar10, wbField =>
{
wbField.Value = TotalNumberOfResults.ToString();
});
this.PageInstruction.AddFieldFilter("channelName", (name, data) =>
{
data.Value = "NCI Home";
});
// Add Best Bets event to analytics
if (rptBestBets.Visible)
{
this.PageInstruction.SetWebAnalytics(WebAnalyticsOptions.Events.event10, wbField =>
{
wbField.Value = WebAnalyticsOptions.Events.event10.ToString();
});
}
//// End Web Analytics *************************************************
}