/// <summary>
/// Returns a Service.GoogleSearchResult data set that is valid
/// according to web service guidelines
/// </summary>
/// <param name="pageSize">page size of the Service.GoogleSearchResult set</param>
/// <returns>Service.GoogleSearchResult instance with Service.resultElement
/// entries present according to page size</returns>
public static Service.GoogleSearchResult GetGoogleSearchResults(int pageSize)
{
Service.GoogleSearchResult result = new Service.GoogleSearchResult();
result.estimatedTotalResultsCount = TotalResultsCount;
result.estimateIsExact = true;
result.documentFiltering = false;
result.startIndex = 1;
result.endIndex = pageSize;
result.searchTime = 0.09;
result.searchQuery = "Result Control";
result.searchComments = "";
result.searchTips = "";
result.directoryCategories = new Service.DirectoryCategory[1];
result.directoryCategories[0] = ResultDummyDataSource.GetDirectoryCategory();
// fill up 10 result elements
result.resultElements = new Service.ResultElement[pageSize];
for (int i = 0; i < pageSize; i++)
{
result.resultElements[i] = GetResultElement(i);
}
return(result);
}
private void HandleSearch()
{
Service.GoogleSearchResult result =
Service.SearchUtil.SearchGoogleService(
Query, StartIndex, PageSize, Filtering);
OnGoogleSearched(new GoogleSearchedEventArgs(result));
this.DataSource = result;
this.DataBind();
}
private void HandleSearch()
{
// check to see if search was handled on this postback
// (this prevents TextChanged and ButtonClicked from
// double-tapping Google web service for the same query)
if (searchHandled == true)
{
return;
}
// check for redirect of query processing to Google web site
if (RedirectToGoogle == true)
{
this.Page.Response.Redirect(
GoogleWebSearchUrl + "?q=" +
HttpContext.Current.Server.UrlEncode(Query), true);
}
if (ResultControl.Length != 0)
{
// lookup the Result control we are linked to
// and get the PageSize and Filtering property values
Result resControl = (Result)Page.FindControl(ResultControl);
int pageSize = resControl.PageSize;
bool filtering = resControl.Filtering;
// get search results from Google web service proxy
Service.GoogleSearchResult result =
Service.SearchUtil.SearchGoogleService(
Query, 0, pageSize, filtering);
// raise search results for any interested parties as well
OnGoogleSearched(new GoogleSearchedEventArgs(result));
// databind search results with the Result control
// we are linked with
resControl.DataSource = result;
resControl.DataBind();
}
// set bool that tells us the search has been handled on this
// postback
searchHandled = true;
}
private void BindResultHeader(object source, EventArgs e)
{
Label header = (Label)source;
Result resultControl = GetResultControl(header);
Service.GoogleSearchResult result = GetResult(header.NamingContainer);
StringBuilder section = new StringBuilder();
// get ResouceManager for localized format strings
ResourceManager rm = ResourceFactory.Manager;
// Searched for: <searchQuery>
section.Append(
String.Format(
rm.GetString("ResultStatusTemplate.SearchFor"),
result.searchQuery));
section.Append("<br>");
// Result <StartIndex+1> - <EndIndex+1> of about
// <TotalResultsCount> records
// (accounting for zero based index)
section.Append(
String.Format(
rm.GetString("ResultStatusTemplate.ResultAbout"),
resultControl.StartIndex + 1,
resultControl.EndIndex + 1,
resultControl.TotalResultsCount));
section.Append("  ");
// Query took about <searchTime> seconds.
section.Append(
String.Format(
rm.GetString("ResultStatusTemplate.QueryTook"),
System.Math.Round(result.searchTime, 2)));
section.Append("<br>");
header.Text = section.ToString();
}
/// <summary>
/// Constructor for GoogleSearchEventArgs
/// </summary>
/// <param name="result">Results from search of Google web service</param>
public GoogleSearchedEventArgs(Service.GoogleSearchResult result)
{
this.result = result;
}
private void CreateControlHierarchy(bool dataBind)
{
Service.GoogleSearchResult result = null;
// Result items
items = new ArrayList();
int count = 0;
if (dataBind == true)
{
if (DataSource == null)
{
return;
}
result = (Service.GoogleSearchResult)DataSource;
Query = result.searchQuery;
StartIndex = result.startIndex - 1;
// set ViewState values for read-only props
ViewState["TotalResultsCount"] =
result.estimatedTotalResultsCount;
ViewState["EndIndex"] = result.endIndex - 1;
count = result.resultElements.Length;
}
else
{
object temp = ViewState["ResultItemCount"];
if (temp != null)
{
count = (int)temp;
}
}
if (HeaderTemplate != null)
{
ResultItem headerItem = CreateResultItem(-1,
ResultItemType.Header, false, null);
items.Add(headerItem);
}
ResultItem statusItem = CreateResultItem(-1, ResultItemType.Status,
dataBind, result);
items.Add(statusItem);
// loop through and create ResultItem controls for each of the
// result elements from the Google web service result
ResultItemType itemType = ResultItemType.Item;
for (int i = 0; i < count; i++)
{
if (separatorTemplate != null)
{
ResultItem separator =
CreateResultItem(-1, ResultItemType.Separator, false, null);
items.Add(separator);
}
Service.ResultElement resultElem = null;
if (dataBind == true)
{
resultElem = result.resultElements[i];
}
ResultItem item = CreateResultItem(i, itemType, dataBind,
resultElem);
items.Add(item);
// swap between item and alternatingitem types
if (itemType == ResultItemType.Item)
{
itemType = ResultItemType.AlternatingItem;
}
else
{
itemType = ResultItemType.Item;
}
}
// display pager if allowed by user and if results
// are greater than a page in length
if (DisplayPager == true && TotalResultsCount > PageSize)
{
ResultItem pager = CreatePagerResultItem(dataBind, result);
items.Add(pager);
}
if (FooterTemplate != null)
{
ResultItem footer = CreateResultItem(-1, ResultItemType.Footer,
false, null);
items.Add(footer);
}
if (dataBind)
{
ViewState["ResultItemCount"] = count;
}
}
