/// <summary>
/// Default constructor for ResultItemEventArgs
/// </summary>
/// <param name="item">ResultItem control instance</param>
public ResultItemEventArgs(ResultItem item)
{
this.item = item;
}
/// <summary>
/// Check for presense of ResultItem control in collection
/// </summary>
/// <param name="item">ResultItem control</param>
/// <returns>bool value result of check</returns>
public bool Contains(ResultItem item)
{
return(List.Contains(item));
}
/// <summary>
/// Returns zero based index of ResultItem control in collection
/// </summary>
/// <param name="item">ResultItem control</param>
/// <returns>Zero based index of ResultItem control in collection</returns>
public int IndexOf(ResultItem item)
{
return(List.IndexOf(item));
}
/// <summary>
/// Add ResultItem control to collection at specified index
/// </summary>
/// <param name="index">Zero based index</param>
/// <param name="item">ResultItem control</param>
public void Insert(int index, ResultItem item)
{
List.Insert(index, item);
}
/// <summary>
/// Remove ResultItem from collection
/// </summary>
/// <param name="item">ResultItem control</param>
public void Remove(ResultItem item)
{
List.Remove(item);
}
/// <summary>
/// Add ResultItem control to collection
/// </summary>
/// <param name="item">ResultItem control</param>
/// <returns>Zero based index of added ResultItem in colleciton</returns>
public int Add(ResultItem item)
{
return(List.Add(item));
}
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;
}
}
private ResultItem CreateResultItem(int index, ResultItemType
itemType, bool dataBind, object dataItem)
{
ITemplate selectedTemplate;
switch (itemType)
{
case ResultItemType.Header:
selectedTemplate = HeaderTemplate;
break;
case ResultItemType.Status:
if (StatusTemplate == null)
{
// if no StatusTemplate, pick up the default
// template ResultStatusTemplate
selectedTemplate = new ResultStatusTemplate();
}
else
{
selectedTemplate = StatusTemplate;
}
break;
case ResultItemType.Item:
if (ItemTemplate == null)
{
// if no ItemTemplate, pick up the default
// template ResultItemTemplate
selectedTemplate = new ResultItemTemplate();
}
else
{
selectedTemplate = ItemTemplate;
}
break;
case ResultItemType.AlternatingItem:
selectedTemplate = AlternatingItemTemplate;
if (selectedTemplate == null)
{
// if no AlternatingItemTemplate, switch to Item type
// and pick up ItemTemplate
itemType = ResultItemType.Item;
selectedTemplate = ItemTemplate;
if (selectedTemplate == null)
{
// if that doesnt work, pick up the default
// template ResultItemTemplate
selectedTemplate = new ResultItemTemplate();
}
}
break;
case ResultItemType.Separator:
selectedTemplate = SeparatorTemplate;
break;
case ResultItemType.Footer:
selectedTemplate = FooterTemplate;
break;
default:
selectedTemplate = null;
break;
}
ResultItem item = new ResultItem(index, itemType, dataItem);
if (selectedTemplate != null)
{
selectedTemplate.InstantiateIn(item);
}
OnItemCreated(new ResultItemEventArgs(item));
Controls.Add(item);
if (dataBind)
{
item.DataBind();
OnItemDataBound(new ResultItemEventArgs(item));
}
return(item);
}
private Service.GoogleSearchResult GetResult(Control container)
{
ResultItem item = (ResultItem)container;
return((Service.GoogleSearchResult)item.DataItem);
}
private Service.ResultElement GetResultElement(Control container)
{
ResultItem item = (ResultItem)container;
return((Service.ResultElement)item.DataItem);
}