/// <summary>
/// Filters the collection, leaving only the pages which
/// correspond to the given page number and size.
/// </summary>
/// <param name="pages"></param>
public void Filter(PageDataCollection pages)
{
for (int i = pages.Count - 1; i > -1; i--)
{
if (i >= _pageNumber * _pageSize)
pages.RemoveAt(i);
if (i < (_pageNumber - 1) * _pageSize)
pages.RemoveAt(i);
}
}
/// <summary>
/// Filters the specified collection, removing pages of types not specified in
/// the constructor.
/// </summary>
/// <param name="pages"></param>
public void Filter(PageDataCollection pages)
{
for (int i = pages.Count - 1; i > -1; i--)
{
if (ShouldFilter(pages[i]))
pages.RemoveAt(i);
}
}
/// <summary>
/// Removes any page not of the specified type from the page collection
/// </summary>
/// <param name="pages">The page collection to filter</param>
/// <param name="pageTypeId">Page type ID of pages that should be left in the page collection</param>
public static void FilterByPageType(this PageDataCollection pages, int pageTypeId)
{
for (var i = pages.Count - 1; i >= 0; i--)
{
if (pages[i].ContentTypeID != pageTypeId)
{
pages.RemoveAt(i);
}
}
}
/// <summary>
/// Removes any page not matching any of the specified categories
/// </summary>
/// <param name="pages">The page collection to filter</param>
/// <param name="categories">Categories used for filtering, pages not matching at least one category will be filtered out</param>
public static void FilterByCategories(this PageDataCollection pages, CategoryList categories)
{
if (categories == null || !categories.Any())
{
return;
}
for (var i = pages.Count - 1; i >= 0; i--)
{
var atLeastOneCategoryMatches = categories.Any(c => pages[i].Category.Contains(c));
if (!atLeastOneCategoryMatches)
{
pages.RemoveAt(i);
}
}
}
/// <summary>
/// Validates the pages.
/// </summary>
/// <param name="pages">The pages.</param>
private void ValidatePages(PageDataCollection pages)
{
bool ignoreInvalidPages = this.IgnoreInvalidPages;
for (int i = pages.Count - 1; i >= 0; i--)
{
PageData data = pages[i];
if ((data.Property[EVENT_START_DATE_PROPERTY_NAME] == null) || (data.Property[EVENT_STOP_DATE_PROPERTY_NAME] == null))
{
if (!ignoreInvalidPages)
{
throw new EPiServerException("Calendar pages must include properties EventStartDate and EventStopDate");
}
pages.RemoveAt(i);
}
}
}
