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