mystickymenu
Last commit date
mystickymenu.css
12 years ago
mystickymenu.js
12 years ago
mystickymenu.php
12 years ago
readme.txt
12 years ago
screenshot-1.png
12 years ago
screenshot-2.png
12 years ago
mystickymenu.js
40 lines
| 1 | // select mysticky class |
| 2 | var mysticky_navbar = document.querySelector(mysticky_name.mysticky_string); |
| 3 | |
| 4 | // add mysticky_wrap div around selected mysticky class |
| 5 | var parentmysticky = mysticky_navbar.parentNode; |
| 6 | var wrappermysticky = document.createElement('div'); |
| 7 | var position = 0; |
| 8 | for(var i = 0; i < parentmysticky.childNodes.length; i++) { |
| 9 | if(parentmysticky.childNodes[i] == mysticky_navbar) { |
| 10 | position = i; |
| 11 | break; |
| 12 | }; |
| 13 | }; |
| 14 | wrappermysticky.id = 'mysticky-wrap'; |
| 15 | wrappermysticky.appendChild(mysticky_navbar); |
| 16 | parentmysticky.insertBefore(wrappermysticky, parentmysticky.childNodes[position]); |
| 17 | |
| 18 | // add mysticky_nav div inside selected mysticky class |
| 19 | var parentnav = mysticky_navbar.parentNode; |
| 20 | var wrappernav = document.createElement('div'); |
| 21 | wrappernav.id = 'mysticky-nav'; |
| 22 | parentnav.replaceChild(wrappernav, mysticky_navbar); |
| 23 | wrappernav.appendChild(mysticky_navbar); |
| 24 | |
| 25 | // add myfixed and wrapfixed class to divs while scroll |
| 26 | var origOffsetY = mysticky_navbar.offsetTop + 100 ; |
| 27 | var hasScrollY = 'scrollY' in window; |
| 28 | function onScroll(e) { |
| 29 | var mydivWidth = ((mysticky_navbar.offsetWidth) + 'px'); |
| 30 | var mydivHeight = ((mysticky_navbar.offsetHeight) + 'px'); |
| 31 | var mydivReset = ''; |
| 32 | // mysticky_navbar.style.width = mydivWidth; |
| 33 | var y = hasScrollY ? window.scrollY : document.documentElement.scrollTop; |
| 34 | y >= origOffsetY ? mysticky_navbar.classList.add('myfixed') : mysticky_navbar.classList.remove('myfixed'); |
| 35 | y >= origOffsetY ? wrappernav.classList.add('wrapfixed') : wrappernav.classList.remove('wrapfixed'); |
| 36 | y >= origOffsetY ? mysticky_navbar.style.width = mydivWidth : mysticky_navbar.style.width = mydivReset; |
| 37 | y >= origOffsetY ? wrappermysticky.style.height = mydivHeight : wrappermysticky.style.height = mydivReset; |
| 38 | } |
| 39 | |
| 40 | document.addEventListener('scroll', onScroll); |