alookatommorow/children-of-mex

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app/assets/javascripts/modules/dropdown.js

Summary

Maintainability
C
7 hrs
Test Coverage
function AxDropdown() {
}
AxDropdown.prototype = (function() {
    var closeAllSelect = function(elmnt) {
      /* A function that will close all select boxes in the document,
      except the current select box: */
      var x, y, i, arrNo = [];
      x = document.getElementsByClassName('ax-select-items');
      y = document.getElementsByClassName('ax-select-selected');
      for (i = 0; i < y.length; i++) {
        if (elmnt == y[i]) {
          arrNo.push(i)
        } else {
          y[i].classList.remove('ax-select-arrow-active');
        }
      }
      for (i = 0; i < x.length; i++) {
        if (arrNo.indexOf(i)) {
          x[i].classList.add('ax-select-hide');
        }
      }
    }

    return {
    constructor: AxDropdown,
    init: function() {
          var selected = false,
                  x = document.getElementsByClassName('ax-select-dropdown'),
                  i = 0,
                  j, selElmnt, a, b, c, y;

          while (i < x.length) {
            selElmnt = x[i].getElementsByTagName('select')[0];
            /* For each element, create a new DIV that will act as the selected item: */
            a = document.createElement('DIV');
            a.setAttribute('class', 'ax-select-selected placeholder');
            a.innerHTML = selElmnt.options[selElmnt.selectedIndex].innerHTML;
            x[i].appendChild(a);
            /* For each element, create a new DIV that will contain the option list: */
            b = document.createElement('DIV');
            b.setAttribute('class', 'ax-select-items ax-select-hide');
            j = 1;
            while (j < selElmnt.length) {
              /* For each option in the original select element,
              create a new DIV that will act as an option item: */
              c = document.createElement('DIV');
              c.innerHTML = selElmnt.options[j].innerHTML;
              c.addEventListener('click', function(e) {
              /* When an item is clicked, update the original select box,
              and the selected item: */
              var y, i, k, s, h;
              s = this.parentNode.parentNode.getElementsByTagName('select')[0];
              h = this.parentNode.previousSibling;
              for (i = 0; i < s.length; i++) {
                if (s.options[i].innerHTML == this.innerHTML) {
                  s.selectedIndex = i;
                  h.innerHTML = this.innerHTML;
                  y = this.parentNode.getElementsByClassName('ax-same-as-selected');
                  for (k = 0; k < y.length; k++) {
                    y[k].removeAttribute('class');
                  }
                  this.setAttribute('class', 'ax-same-as-selected');
                  break;
                }
              }
              h.click();
            h.setAttribute('class', 'ax-select-selected');
              $(e.currentTarget).parent().siblings('select').children("[value='" + this.innerHTML + "']").trigger('change');
            y = document.getElementsByClassName('ax-select-selected');

              return;
              });
              b.appendChild(c);
              j++;
            }
            x[i].appendChild(b);

            a.addEventListener('click', function(e) {
              /* When the select box is clicked, close any other select boxes,
              and open/close the current select box: */
              e.stopPropagation();
              closeAllSelect(this);
              this.nextSibling.classList.toggle('ax-select-hide');
              this.classList.toggle('ax-select-arrow-active');
            });
            i++;
          }

          /* If the user clicks anywhere outside the select box,
          then close all select boxes: */
          document.addEventListener('click', closeAllSelect); 
    }
  };
})();