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

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(function ($) {
  $.extend(true, window, {
    Slick: {
      Data: {
        GroupItemMetadataProvider: GroupItemMetadataProvider
      }
    }
  });


  /***
   * Provides item metadata for group (Slick.Group) and totals (Slick.Totals) rows produced by the DataView.
   * This metadata overrides the default behavior and formatting of those rows so that they appear and function
   * correctly when processed by the grid.
   *
   * This class also acts as a grid plugin providing event handlers to expand & collapse groups.
   * If "grid.registerPlugin(...)" is not called, expand & collapse will not work.
   *
   * @class GroupItemMetadataProvider
   * @module Data
   * @namespace Slick.Data
   * @constructor
   * @param options
   */
  function GroupItemMetadataProvider(options) {
    var _grid;
    var _defaults = {
      groupCssClass: "slick-group",
      groupTitleCssClass: "slick-group-title",
      totalsCssClass: "slick-group-totals",
      groupFocusable: true,
      totalsFocusable: false,
      toggleCssClass: "slick-group-toggle",
      toggleExpandedCssClass: "expanded",
      toggleCollapsedCssClass: "collapsed",
      enableExpandCollapse: true,
      groupFormatter: defaultGroupCellFormatter,
      totalsFormatter: defaultTotalsCellFormatter
    };

    options = $.extend(true, {}, _defaults, options);


    function defaultGroupCellFormatter(row, cell, value, columnDef, item) {
      if (!options.enableExpandCollapse) {
        return item.title;
      }

      var indentation = item.level * 15 + "px";

      return "<span class='" + options.toggleCssClass + " " +
          (item.collapsed ? options.toggleCollapsedCssClass : options.toggleExpandedCssClass) +
          "' style='margin-left:" + indentation +"'>" +
          "</span>" +
          "<span class='" + options.groupTitleCssClass + "' level='" + item.level + "'>" +
            item.title +
          "</span>";
    }

    function defaultTotalsCellFormatter(row, cell, value, columnDef, item) {

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