public/static/common/js/plugin/slickgrid/controls/slick.pager.js

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(function ($) {
  function SlickGridPager(dataView, grid, $container) {
    var $status;

    function init() {
      dataView.onPagingInfoChanged.subscribe(function (e, pagingInfo) {
        updatePager(pagingInfo);
      });

      constructPagerUI();
      updatePager(dataView.getPagingInfo());
    }

    function getNavState() {
      var cannotLeaveEditMode = !Slick.GlobalEditorLock.commitCurrentEdit();
      var pagingInfo = dataView.getPagingInfo();
      var lastPage = pagingInfo.totalPages - 1;

      return {
        canGotoFirst: !cannotLeaveEditMode && pagingInfo.pageSize != 0 && pagingInfo.pageNum > 0,
        canGotoLast: !cannotLeaveEditMode && pagingInfo.pageSize != 0 && pagingInfo.pageNum != lastPage,
        canGotoPrev: !cannotLeaveEditMode && pagingInfo.pageSize != 0 && pagingInfo.pageNum > 0,
        canGotoNext: !cannotLeaveEditMode && pagingInfo.pageSize != 0 && pagingInfo.pageNum < lastPage,
        pagingInfo: pagingInfo
      }
    }

    function setPageSize(n) {
      dataView.setRefreshHints({
        isFilterUnchanged: true
      });
      dataView.setPagingOptions({pageSize: n});
    }

    function gotoFirst() {
      if (getNavState().canGotoFirst) {
        dataView.setPagingOptions({pageNum: 0});
      }
    }

    function gotoLast() {
      var state = getNavState();
      if (state.canGotoLast) {
        dataView.setPagingOptions({pageNum: state.pagingInfo.totalPages - 1});
      }
    }

    function gotoPrev() {
      var state = getNavState();
      if (state.canGotoPrev) {
        dataView.setPagingOptions({pageNum: state.pagingInfo.pageNum - 1});
      }
    }

    function gotoNext() {
      var state = getNavState();
      if (state.canGotoNext) {
        dataView.setPagingOptions({pageNum: state.pagingInfo.pageNum + 1});
      }
    }