All files / src sort.js

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module.exports = function(list) {
 
  var buttons = {
    els: undefined,
    clear: function() {
      for (var i = 0, il = buttons.els.length; i < il; i++) {
        list.utils.classes(buttons.els[i]).remove('asc');
        list.utils.classes(buttons.els[i]).remove('desc');
      }
    },
    getOrder: function(btn) {
      var predefinedOrder = list.utils.getAttribute(btn, 'data-order');
      if (predefinedOrder == "asc" || predefinedOrder == "desc") {
        return predefinedOrder;
      } else if (list.utils.classes(btn).has('desc')) {
        return "asc";
      } else if (list.utils.classes(btn).has('asc')) {
        return "desc";
      } else {
        return "asc";
      }
    },
    getInSensitive: function(btn, options) {
      var insensitive = list.utils.getAttribute(btn, 'data-insensitive');
      Iif (insensitive === "false") {
        options.insensitive = false;
      } else {
        options.insensitive = true;
      }
    },
    setOrder: function(options) {
      for (var i = 0, il = buttons.els.length; i < il; i++) {
        var btn = buttons.els[i];
        Iif (list.utils.getAttribute(btn, 'data-sort') !== options.valueName) {
          continue;
        }
        var predefinedOrder = list.utils.getAttribute(btn, 'data-order');
        if (predefinedOrder == "asc" || predefinedOrder == "desc") {
          if (predefinedOrder == options.order) {
            list.utils.classes(btn).add(options.order);
          }
        } else {
          list.utils.classes(btn).add(options.order);
        }
      }
    }
  };
 
  var sort = function() {
    list.trigger('sortStart');
    var options = {};
 
    var target = arguments[0].currentTarget || arguments[0].srcElement || undefined;
 
    if (target) {
      options.valueName = list.utils.getAttribute(target, 'data-sort');
      buttons.getInSensitive(target, options);
      options.order = buttons.getOrder(target);
    } else {
      options = arguments[1] || options;
      options.valueName = arguments[0];
      options.order = options.order || "asc";
      options.insensitive = (typeof options.insensitive == "undefined") ? true : options.insensitive;
    }
 
    buttons.clear();
    buttons.setOrder(options);
 
 
    // caseInsensitive
    // alphabet
    var customSortFunction = (options.sortFunction || list.sortFunction || null),
        multi = ((options.order === 'desc') ? -1 : 1),
        sortFunction;
 
    if (customSortFunction) {
      sortFunction = function(itemA, itemB) {
        return customSortFunction(itemA, itemB, options) * multi;
      };
    } else {
      sortFunction = function(itemA, itemB) {
        var sort = list.utils.naturalSort;
        sort.alphabet = list.alphabet || options.alphabet || undefined;
        if (!sort.alphabet && options.insensitive) {
          sort = list.utils.naturalSort.caseInsensitive;
        }
        return sort(itemA.values()[options.valueName], itemB.values()[options.valueName]) * multi;
      };
    }
 
    list.items.sort(sortFunction);
    list.update();
    list.trigger('sortComplete');
  };
 
  // Add handlers
  list.handlers.sortStart = list.handlers.sortStart || [];
  list.handlers.sortComplete = list.handlers.sortComplete || [];
 
  buttons.els = list.utils.getByClass(list.listContainer, list.sortClass);
  list.utils.events.bind(buttons.els, 'click', sort);
  list.on('searchStart', buttons.clear);
  list.on('filterStart', buttons.clear);
 
  return sort;
};