public/static/common/js/plugin/slickgrid/slick.dataview.js

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(function ($) {
  $.extend(true, window, {
    Slick: {
      Data: {
        DataView: DataView,
        Aggregators: {
          Avg: AvgAggregator,
          Min: MinAggregator,
          Max: MaxAggregator,
          Sum: SumAggregator
        }
      }
    }
  });


  /***
   * A sample Model implementation.
   * Provides a filtered view of the underlying data.
   *
   * Relies on the data item having an "id" property uniquely identifying it.
   */
  function DataView(options) {
    var self = this;

    var defaults = {
      groupItemMetadataProvider: null,
      inlineFilters: false
    };


    // private
    var idProperty = "id";  // property holding a unique row id
    var items = [];         // data by index
    var rows = [];          // data by row
    var idxById = {};       // indexes by id
    var rowsById = null;    // rows by id; lazy-calculated
    var filter = null;      // filter function
    var updated = null;     // updated item ids
    var suspend = false;    // suspends the recalculation
    var sortAsc = true;
    var fastSortField;
    var sortComparer;
    var refreshHints = {};
    var prevRefreshHints = {};
    var filterArgs;
    var filteredItems = [];
    var compiledFilter;
    var compiledFilterWithCaching;
    var filterCache = [];

    // grouping
    var groupingInfoDefaults = {
      getter: null,
      formatter: null,
      comparer: function(a, b) { return a.value - b.value; },
      predefinedValues: [],
      aggregators: [],
      aggregateEmpty: false,
      aggregateCollapsed: false,