'use strict'; 
var jqLite = require('./lib/jqLite'), util = require('./lib/util'), animationHelpers = require('./lib/animationHelpers'), attrKey = 'data-mui-toggle', attrSelector = '[' + attrKey + '="tab"]', controlsAttrKey = 'data-mui-controls', activeClass = 'mui--is-active', showstartKey = 'mui.tabs.showstart', showendKey = 'mui.tabs.showend', hidestartKey = 'mui.tabs.hidestart', hideendKey = 'mui.tabs.hideend'; 
function initialize(toggleEl){ 
if (toggleEl._muiTabs === true ) return ; 
 else toggleEl._muiTabs = true ; 
jqLite.on(toggleEl, 'click', clickHandler); 
} 
function clickHandler(ev){ 
if (ev.button !== 0) return ; 
var toggleEl = this; 
if (_AN_Call_getattribute('getAttribute', toggleEl, 'disabled') !== null ) return ; 
activateTab(toggleEl); 
} 
function activateTab(currToggleEl){ 
var currTabEl = currToggleEl.parentNode, currPaneId = _AN_Call_getattribute('getAttribute', currToggleEl, controlsAttrKey), currPaneEl = document.getElementById(currPaneId), prevTabEl, prevPaneEl, prevPaneId, prevToggleEl, currData, prevData, ev1, ev2, cssSelector; 
if (jqLite.hasClass(currTabEl, activeClass)) return ; 
if (!currPaneEl) util.raiseError('Tab pane "' + currPaneId + '" not found'); 
prevPaneEl = getActiveSibling(currPaneEl); 
prevPaneId = prevPaneEl.id; 
cssSelector = '[' + controlsAttrKey + '="' + prevPaneId + '"]'; 
prevToggleEl = document.querySelectorAll(cssSelector)[0]; 
prevTabEl = prevToggleEl.parentNode; 
currData = { 
paneId: currPaneId,
relatedPaneId: prevPaneId}
; 
prevData = { 
paneId: prevPaneId,
relatedPaneId: currPaneId}
; 
ev1 = util.dispatchEvent(prevToggleEl, hidestartKey, true , true , prevData); 
ev2 = util.dispatchEvent(currToggleEl, showstartKey, true , true , currData); 
_AN_Call_settimeout('setTimeout', window, function (){ 
if (ev1.defaultPrevented || ev2.defaultPrevented) return ; 
if (prevTabEl) jqLite.removeClass(prevTabEl, activeClass); 
if (prevPaneEl) jqLite.removeClass(prevPaneEl, activeClass); 
jqLite.addClass(currTabEl, activeClass); 
jqLite.addClass(currPaneEl, activeClass); 
util.dispatchEvent(prevToggleEl, hideendKey, true , false , prevData); 
util.dispatchEvent(currToggleEl, showendKey, true , false , currData); 
} 
, 0); 
} 
function getActiveSibling(el){ 
var elList = el.parentNode.children, q = _AN_Read_length('length', elList), activeEl = null , tmpEl; 
while (q--  && !activeEl){ 
tmpEl = elList[q]; 
if (tmpEl !== el && jqLite.hasClass(tmpEl, activeClass)) activeEl = tmpEl; 
} 
return activeEl; 
} 
module.exports = { 
initListeners: function (){ 
var elList = document.querySelectorAll(attrSelector), i = _AN_Read_length('length', elList); 
while (i-- ){ 
initialize(elList[i]); 
} 
animationHelpers.onAnimationStart('mui-tab-inserted', function (ev){ 
initialize(_AN_Read_target('target', ev)); 
} 
); 
} 
,
api: { 
activate: function (paneId){ 
var cssSelector = '[' + controlsAttrKey + '=' + paneId + ']', toggleEl = document.querySelectorAll(cssSelector); 
if (!_AN_Read_length('length', toggleEl)) { 
util.raiseError('Tab control for pane "' + paneId + '" not found'); 
} 
activateTab(toggleEl[0]); 
} 
}
}
;