private void ShowErrorMessage()
{
//Clear out the fact that the user did a search before this.
Keyword = "";
OldKeywords.Clear();
lblResultsForKeyword.Text = "";
lblTopResultsXofYKeyword.Text = "";
lblSearchWithinResultKeyword.Text = "";
phError.Visible = true;
ShowResultsXoYLabels(0, 0, 0);
//For paging change.
PreviousItemsPerPage = ItemsPerPage;
//Set the Search Within Results Radio button to new search
rblSWRSearchType.SelectedIndex = 0;
spPager.RecordCount = 0;
//// Web Analytics *************************************************
// Add number of search results to analytics
this.PageInstruction.SetWebAnalytics(WebAnalyticsOptions.eVars.evar10, wbField =>
{
wbField.Value = "0";
});
//// End Web Analytics *********************************************
}
private void DoSearchWithinResults()
{
if (Strings.Clean(txtSWRKeyword.Text) == null)
{
ShowErrorMessage();
}
else
{
if (rblSWRSearchType.SelectedValue == "2") //Search Within Results
{
//Add the last keyword to the old keywords
if (!String.IsNullOrEmpty(Keyword))
{
OldKeywords.Add(Keyword);
}
//Set the current keyword
Keyword = Strings.Clean(txtSWRKeyword.Text);
LogUserInput("Refine-Keyword:" + (
OldKeywordsForQuery.Length > 0 ? OldKeywordsForQuery + "|" + Keyword : Keyword));
}
else //New Search
{
//Log new search
OldKeywords.Clear();
Keyword = Strings.Clean(txtSWRKeyword.Text);
LogUserInput("New-Keyword:" + Keyword);
}
this.CurrentPage = 1;
txtSWRKeyword.Text = ""; //Clear the text box. .NET will leave in the text, which is what google does, but not what cancer.gov has done.
LoadResults();
}
}
/// <summary>
/// Event method sets content version and template and user control properties<br /><br />
/// [1] Input form parameters:<br />
/// keyword {string: search string},<br />
/// first {integer: ordinal index of first result},<br />
/// resultSearch {string: search within results search string},<br />
/// chkCategories {comma-delimited set of strings: specific virtual paths to search},<br />
/// selectedPage {integer: current result page number}<br />
/// [2] Builds Verity and BestBet query language and Verity query xml document<br />
/// [3] Parses Verity results and errors<br />
/// [4] Builds Verity and BestBet result HTML<br />
/// [5] Builds paging control for results browsing<br />
/// </summary>
/// <param name="e">The <see cref="EventArgs" /> instance containing the event data.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
//Setup the title, header, and left nav
SetupCancerGovPageStuff();
SetLabels();
//Hide the error message
phError.Visible = false;
//set up the search collection (CancerGovEnglish or CancerGovSpanish)
//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 (Page.Request.RequestType == "POST")
{
if (!IsPostBack)
{
/*********************************************/
/* Search using header search box */
/*********************************************/
Keyword = Request.Params["swKeyword"];
if (Keyword == string.Empty)
{
ShowErrorMessage();
}
else
{
LoadResults();
//Log User Input for initial search.
LogUserInput("Keyword:" + Keyword);
}
}
else
{
//This is a postback from a user changing the items per page or
//searching within results. There is one problem though.
//By default,
if (Strings.Clean(Request.Params["__EVENTTARGET"]) == null &&
Strings.Clean(Request.Params["__EVENTARGUMENT"]) == null &&
Strings.Clean(Request.Params[btnTextChangePageUnit.UniqueID]) == null &&
Strings.Clean(Request.Params[btnSWRTxtSearch.UniqueID]) == null)
{
//THIS IS FOR IE with no JS. Oddly in most ways it is more broken than firefox, but
//is so broken that we can easily tell that the user hit enter on the only
//text box.
//Basically if all the buttons that can be clicked are null, and there
//is no event target or argument, then this is IE with Javascript turned
//off and the user clicked enter on the text box. Also, image buttons do
//not come back ID, but ID.x and ID.y. (Hopefully screen readers send those
//things too.
//
//We need to handle this stuff after all the other postback events happen.
//so lets just set a variable for now.
_isIENoJSAndHitEnderInTheSearchBox = true;
}
}
}
else
{
/*********************************************/
/* Either Paging or a DYM Click */
/*********************************************/
//No Matter if this is a DYM or a Paging, swKeyword is the keyword. (There may be an old one, but that is for later)
Keyword = Request.Params["swKeyword"];
if (Keyword == string.Empty)
{
ShowErrorMessage();
}
else
{
//These things only apply to paging
//Get Items per page.
ItemsPerPage = Strings.ToInt(Request.Params["pageunit"], 10);
//Get the current Page
CurrentPage = Strings.ToInt(Request.Params["page"], 1);
//"De-serialize" old keywords.
if (!string.IsNullOrEmpty(Request.Params["old_keywords"]))
{
string[] oldKeys = Request.Params["old_keywords"].Split(new char[] { '|' });
OldKeywords.AddRange(oldKeys);
}
LoadResults();
}
}
// build the OnClineClick value for results search
var siteResultSearchSubmitParameter = "";
if (PageDisplayInformation.Language == DisplayLanguage.Spanish)
{
siteResultSearchSubmitParameter = "true";
}
// removed search validation for now
var siteResultSearchSubmitCall = ""; //"return siteResultSearchSubmit(" + siteResultSearchSubmitParameter + ")";
// Web Analytics *************************************************
if (WebAnalyticsOptions.IsEnabled)
{
siteResultSearchSubmitCall += "return NCIAnalytics.SiteWideSearchResultsSearch(this,'" + txtSWRKeyword.ClientID + "','" + rblSWRSearchType.UniqueID + "')";
}
// End Web Analytics *********************************************
if (!String.IsNullOrEmpty(siteResultSearchSubmitCall))
{
siteResultSearchSubmitCall += ";";
btnSWRTxtSearch.OnClientClick = siteResultSearchSubmitCall;
}
}
