public void LoadQuery(ILevelSetQuery query)
{
lock (Synch)
{
foreach (LevelMetadata level in allLevels)
{
query.LevelAdded(level);
}
}
}
public bool StartFetchingMore(ILevelSetQuery query)
{
if (pagingOpCount == 0 && !pagingEndReached)
{
// This is a bit of a hack/limitation. For the moment, the community server only
// supports filtering by genre and sorting on the basic fields. For this limitation
// to be removed, we must support all sorters and filters on the server side, and
// send them up with every query.
LevelSetSorterBasic basicSorter = query.Sorter as LevelSetSorterBasic;
LevelSetFilterByKeywords filter = query.Filter as LevelSetFilterByKeywords;
if (String.IsNullOrEmpty(filter.SearchString) ||
filter.SearchString.Split(new[] { ' ' }, System.StringSplitOptions.RemoveEmptyEntries).Length < 1)
{
//if no keywords do old style display
if (0 != Web.Community.Async_GetPageOfLevels(
filter != null ? filter.FilterGenres : Genres.All,
basicSorter != null ? basicSorter.SortBy : SortBy.Date,
basicSorter != null ? basicSorter.SortDirection : SortDirection.Descending,
pagingFirst,
kPagingPageSize,
FetchComplete,
query))
{
pagingOpCount += 1;
return(true);
}
}
else
{
//use keyword search version
if (0 != Web.Community.Async_GetSearchPageOfLevels(
filter != null ? filter.FilterGenres : Genres.All,
filter.SearchString,
basicSorter != null ? basicSorter.SortBy : SortBy.Date,
basicSorter != null ? basicSorter.SortDirection : SortDirection.Descending,
pagingFirst,
kPagingPageSize,
FetchComplete,
query))
{
pagingOpCount += 1;
return(true);
}
}
}
return(false);
}
public LevelSetCursor(
ILevelBrowser browser,
Guid desiredSelection,
ILevelSetQuery query,
LevelSetCursorShifted shiftCallback,
LevelSetCursorJumped jumpCallback,
LevelSetCursorAddition additionCallback,
LevelSetCursorRemoval removalCallback,
int size)
{
Query = query;
this.Browser = browser;
this.desiredSelection = desiredSelection;
this.shiftCallback = shiftCallback;
this.jumpCallback = jumpCallback;
this.additionCallback = additionCallback;
this.removalCallback = removalCallback;
this.size = size;
}
private void FetchComplete(AsyncResult ar)
{
AsyncResult_GetPageOfLevels result = (AsyncResult_GetPageOfLevels)ar;
if (result.Success)
{
int count = 0;
foreach (LevelMetadata level in result.Page.Listing)
{
if (IndexOf(level.WorldId) == -1)
{
LevelBrowserState state = new LevelBrowserState();
state.level = level;
level.BrowserState = state;
level.Browser = this;
allLevels.Add(level);
LevelAdded(level);
count += 1;
}
}
if (result.Page.First >= result.Page.Total)
{
pagingEndReached = true;
}
pagingFirst += count;
}
else
{
// An error occured, stop trying.
pagingEndReached = true;
}
ILevelSetQuery query = (ILevelSetQuery)ar.Param;
query.NotifyFetchComplete();
pagingOpCount -= 1;
}
public void CloseCursor(ref ILevelSetCursor icursor)
{
LevelSetCursor cursor = icursor as LevelSetCursor;
if (cursor != null)
{
lock (Synch)
{
int index = queries.IndexOf(cursor.Query);
if (index >= 0)
{
ILevelSetQuery query = queries[index];
if (0 == query.RemoveCursor(cursor))
{
queries.RemoveAt(index);
}
}
}
icursor = null;
}
}
