pmwiki-plain-responsive/skin.js
2021-06-01 09:16:58 -04:00

78 lines
2.7 KiB
JavaScript

/***********************************************************************
** skin.js
** Copyright 2016-2017 Petko Yotov www.pmwiki.org/petko
**
** This file is part of PmWiki; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published
** by the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version. See pmwiki.php for full details.
**
** This script fixes the styles of some elements when some directives
** like (:noleft:) are used in a page.
***********************************************************************/
(function(){
var W = window, D = document;
function $(x) { // returns element from id
return D.getElementById(x);
}
function hide(id) { // hides element
var el = $(id);
if(el) el.style.display = 'none';
}
function cname(id, c) { // set element className
var el = $(id);
if(el) el.className = c;
}
var wsb = $('wikisidebar');
if(! wsb) { // (:noleft:)
hide('wikileft-toggle-label')
cname('wikifoot', 'nosidebar');
}
else {
var sbcontent = wsb.textContent || wsb.innerText;
if(! sbcontent.replace(/\s+/, '').length) // empty sidebar, eg. protected
hide('wikileft-toggle-label');
}
var wcmd = $('wikicmds');
if(wcmd) { // page actions
var pacontent = wcmd.textContent || wcmd.innerText;
if(! pacontent.replace(/\s+/, '').length) // empty, eg. protected
hide('wikicmds-toggle-label');
}
if(! $('wikihead-searchform')) // no search form, eg. custom header
hide('wikihead-search-toggle-label');
var overlay = $('wikioverlay');
if(overlay) {
overlay.addEventListener('click', function(){
$('wikicmds-toggle').checked = false;
$('wikihead-search-toggle').checked = false;
$('wikileft-toggle').checked = false;
});
}
var scrolltables = function() {
// This function "wraps" large tables in a scrollable div
// and "unwraps" narrow tables from the scrollable div
// allowing table alignement
var tables = D.getElementsByTagName('table');
for(var i=0; i<tables.length; i++) {
var t = tables[i];
var pn = t.parentNode;
if(pn.className == 'scrollable') {
var gp = pn.parentNode;
if(t.offsetWidth < gp.offsetWidth) {
gp.insertBefore(t, pn);
gp.removeChild(pn);
}
}
else {
if(t.offsetWidth > pn.offsetWidth) {
var nn = D.createElement('div');
pn.insertBefore(nn, t).className = 'scrollable';
nn.appendChild(t);
}
}
}
}
W.addEventListener('resize', scrolltables, false);
D.addEventListener('DOMContentLoaded', scrolltables, false);
})();