2
我正在使用PrimeFaces 6.0。我正在創建一個使用延遲加載的數據表。我在我的load
方法中設置了this.setRowCount(count)
。雖然我的分頁程序沒有正確顯示(它只顯示禁用的上一個,下一個,開始,結束按鈕)。PrimeFaces數據表分頁器首先不會顯示延遲加載
當我過濾我的表格或更改排序時,頁面顯示頁面。另外,當我運行這個JavaScript時,分頁器顯示頁面:
PF('myTable').clearFilters();
有關如何讓paginator工作而不應用黑客的任何想法?
這是我的表(相關屬性):
<p:dataTable value="#{controller.lazy}"
lazy="true"
var="subitem"
rowKey="#{subitem.id}"
paginator="true" paginatorPosition="bottom"
rows="10"
sortBy="#{subitem.emailAddress}" sortOrder="ascending"
widgetVar="myTable"
>
我偷懶模型(相關部分):
public class LazyDataModel<T> extends org.primefaces.model.LazyDataModel<T>
{
private final QueryBuilder<T> queryBuilder;
private final Class<T> type;
public LazyDataModel(final QueryBuilder<T> queryBuilder, final Class<T> type)
{
this.queryBuilder = queryBuilder;
this.type = type;
}
private void updateRowCount()
{
setRowCount(queryBuilder.count().intValue());
}
@Override
public List<T> load(int first, int pageSize, List<SortMeta> multiSortMeta, Map<String, Object> filters)
{
if (filters != null) {
queryBuilder.addFilters(filters);
}
if (multiSortMeta != null) {
multiSortMeta.forEach(s -> queryBuilder.orderBy(s.getSortField(), s.getSortOrder() == SortOrder.ASCENDING));
}
updateRowCount();
TypedQuery<T> typedQuery = queryBuilder.createQuery();
typedQuery.setMaxResults(pageSize);
typedQuery.setFirstResult(first);
return typedQuery.getResultList();
}
@Override
public List<T> load(int first, int pageSize, String sortField, SortOrder sortOrder, Map<String, Object> filters)
{
List<SortMeta> multiSortMeta = null;
if (sortField != null && sortOrder != null) {
multiSortMeta = Arrays.asList(new SortMeta(null, sortField, sortOrder, null));
}
return load(first, pageSize, multiSortMeta, filters);
}
}