public void Reset()
{
TotalCount = 0;
PaggingChangeHandler = null;
TotalPage = 0;
CurrentPage = 1;
PageSize = DEFAULT_PAGE_SIZE;
}
public void Init(int totalCount, PaggingChangeCallBack handler)
{
if (totalCount < 0)
{
throw new UserFriendlyException($"分页数据异常，总数据量不能小于0");
}
TotalCount = totalCount;
PaggingChangeHandler = handler;
TotalPage = DataHelper.Ceil((totalCount / (double)PageSize));
}
public PaggingViewMode(IEnumerable <T> sourceData, int totalCount = -1, PaggingChangeCallBack handler = null)
{
_currentPage = 1;
// FIXME： pagesize绑定未实现。
_pageSize = DEFAULT_PAGE_SIZE;
FirstPageCommand = new DelegateCommand(FirstPageAction);
PreviousPageCommand = new DelegateCommand(PreviousPageAction);
NextPageCommand = new DelegateCommand(NextPageAction);
LastPageCommand = new DelegateCommand(LastPageAction);
PageSizeChangeCommand = new DelegateCommand(PageSizeChangeAction);
PaggingChangeHandler = handler;
if (-1 == totalCount)
{
totalCount = sourceData.Count();
}
_source = sourceData;
_totalPage = DataHelper.Ceil((totalCount / (double)_pageSize));
_fakeSoruce.Clear();
_fakeSoruce.AddRange(_source.Take(_pageSize).ToList());
}
