https://www.bancobpi.pt/CW_SP_Common/Blocks/CW_SP_Common/FragmentsCommonV3/Menu.js?23407

1"use strict";
2
3function resizeMenuHeigth(idMenu) {
4    var menuWrapper = document.getElementById(idMenu);
5    var menuLevel1 = menuWrapper.querySelectorAll('.menu--item_column-nivel1:not(.noSub)');
6    
7    // hover no item do nivel 1
8    var _loop = function _loop(i) {
9   
10    menuLevel1[i].addEventListener('mouseenter', function () {
11    
12    // valores para quando existe resize da janela
13    var windowHeigth = window.innerHeight;  
14    var menubottom = document.querySelector(".header__container");
15    var areaMenu = menubottom.getBoundingClientRect();
16    var dif = windowHeigth - areaMenu.bottom;
17    // Altura do container
18    var menuContainerHeight = menuLevel1[i].closest('.menu-item__items-container').offsetHeight;
19    // Altura do nivel 2
20    var menuLevel2Height = menuLevel1[i].nextSibling.offsetHeight;
21
22    // max heigth do nivel 2 igual a dif da janela
23    
24    menuLevel1[i].nextSibling.style.maxHeight =  parseInt(dif - 37) + "px"; 
25    var newNivel2MaxHeigth = parseInt(menuLevel1[i].nextSibling.offsetHeight);
26
27    if(menuLevel2Height > menuLevel1[i].closest(".menu--item_column-content").offsetHeight) {
28        menuLevel1[i].closest('.menu-item__items-container').setAttribute('style', 'height:' + parseInt(newNivel2MaxHeigth + 27) + "px;"+ 'max-height:'+ parseInt(newNivel2MaxHeigth + 27) + "px;"); 
29    } else if(menuLevel2Height < menuLevel1[i].closest(".menu--item_column-content").offsetHeight){
30        menuLevel1[i].closest('.menu-item__items-container').removeAttribute('style');
31    }
32
33    });
34
35    menuLevel1[i].closest('.menu-item__items-container').addEventListener('mouseleave', function () {
36        menuLevel1[i].nextSibling.removeAttribute('style');  
37    });
38};
39
40  for (var i = 0; i < menuLevel1.length; i++) {
41    _loop(i);
42  }
43}