User:Cryptic/spoiler.js

//

var hide_spoilers_initially = window.hide_spoilers_initially || false;
var hide_endspoiler_tag = window.hide_endspoiler_tag || false;
var spoiler_num = 0;
function spoiler_toggle(num)
{
var contents = document.getElementById('spoilercontents_' + num);
var lk = document.getElementById('spoilerlk_' + num);
if (!contents || !lk)
return;
if (contents.style.display == 'none')
{
contents.style.display = '';
lk.replaceChild(document.createTextNode('hide'), lk.firstChild);
}
else
{
contents.style.display = 'none';
lk.replaceChild(document.createTextNode('show'), lk.firstChild);
}
}
function setup_spoilers()
{
var divs = document.getElementsByTagName('div');
var hide_initially = hide_spoilers_initially
&& !/(\?title=|\/wiki\/)(Talk|User|Wikipedia|Image|MediaWiki|Template|Help|Category|Portal)(_talk)?:/.test(window.location.href);
for (var i = 0; i < divs.length; ++i)
{
var node = divs[i];
if (node.id != 'spoiler')
continue;
++spoiler_num;
var lk = document.createElement('a');
lk.setAttribute('href', 'javascript:spoiler_toggle(' + spoiler_num + ')');
lk.appendChild(document.createTextNode(hide_initially ? 'show' : 'hide'));
lk.id = 'spoilerlk_' + spoiler_num;
lk.className = 'spoilertoggle';
node.appendChild(document.createTextNode(' ['));
node.appendChild(lk);
node.appendChild(document.createTextNode(']'));
var contents = document.createElement('div');
contents.className = 'spoilercontents';
contents.id = 'spoilercontents_' + spoiler_num;
if (hide_initially)
contents.style.display = 'none';
var depth = 0;
while (depth >= 0)
{
var n = node.nextSibling;
if (!n)
break;
if (n.id == 'spoiler')
++depth;
else if (n.className && n.className.indexOf('endspoiler') >= 0
&& --depth < 0 && !hide_endspoiler_tag)
break;
n.parentNode.removeChild(n);
contents.appendChild(n);
}
if (node.nextSibling)
node.parentNode.insertBefore(contents, node.nextSibling);
else
node.parentNode.appendChild(contents);
}
}
addOnloadHook(setup_spoilers);
//