2017-03-07 58 views
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); 
    } 

} 

回答