ratchet/lib/js/segmented-controllers.js

/* ----------------------------------
 * TABS v1.0.0
 * Licensed under The MIT License
 * http://opensource.org/licenses/MIT
 * ---------------------------------- */

!function () {
  "use strict";
  var getTarget = function (target) {
    var i, popovers = document.querySelectorAll('.segmented-controller li a');
    for (; target && target !== document; target = target.parentNode) {
      for (i = popovers.length; i--;) {
        if (popovers[i] === target) return target;
      }
    }
  };

  window.addEventListener("touchend", function (e) {
    var activeTab,
      activeBody,
      targetBody,
      targetTab,
      className = 'active',
      classSelector = '.' + className,
      targetAnchor = getTarget(e.target);

    if (!targetAnchor) {
      return;
    }

    targetTab = targetAnchor.parentNode;
    activeTab = targetTab.parentNode.querySelector(classSelector);

    if (activeTab) {
      activeTab.classList.remove(className);
    }

    targetTab.classList.add(className);

    if (!targetAnchor.hash) {
      return;
    }

    targetBody = document.querySelector(targetAnchor.hash);

    if (!targetBody) {
      return;
    }

    activeBody = targetBody.parentNode.querySelector(classSelector);

    if (activeBody) {
      activeBody.classList.remove(className);
    }

    targetBody.classList.add(className);
  });

  window.addEventListener('click', function (e) {
    if (getTarget(e.target)) e.preventDefault();
  });
}();