MediaWiki:Common.js

//Mainpage: tab  «статья» -> «заглавная» 
function mainPageTab(){
 var nstab = document.getElementById('ca-nstab-main')
 if (!nstab || wgUserLanguage != 'ru') return //other skins/lang
 var a = nstab.firstChild
 if (a.textContent) a.textContent = 'Заглавная'
 else a.innerText = 'Заглавная'
}
 
//Collapsiblе: [[w:ВП:СБ]]
 
var NavigationBarShowDefault = 2
var NavigationBarHide = '[скрыть]'
var NavigationBarShow = '[показать]'
 
var hasClass = (function (){
 var reCache = {}
 return function (element, className){
   return (reCache[className] ? reCache[className] : (reCache[className] = new RegExp("(?:\\s|^)" + className + "(?:\\s|$)"))).test(element.className)
  }
})()
 
function collapsibleDivs(){
 var navIdx = 0, colNavs = [], i, NavFrame
 var divs = document.getElementById('content').getElementsByTagName('div')
 for (i=0; NavFrame = divs[i]; i++) {
   if (!hasClass(NavFrame, 'NavFrame')) continue
   NavFrame.id = 'NavFrame' + navIdx
   var a = document.createElement('a')
   a.className = 'NavToggle'
   a.id = 'NavToggle' + navIdx
   a.href = 'javascript:collapseDiv(' + navIdx + ');'
   a.appendChild(document.createTextNode(NavigationBarHide))
   for (var j=0; j < NavFrame.childNodes.length; j++)
     if (hasClass(NavFrame.childNodes[j], 'NavHead'))
       NavFrame.childNodes[j].appendChild(a)
   colNavs[navIdx++] = NavFrame
 }
 for (i=0; i < navIdx; i++)
  if ((navIdx > NavigationBarShowDefault && !hasClass(colNavs[i], 'expanded')) || hasClass(colNavs[i], 'collapsed'))
     collapseDiv(i)
}
 
function collapseDiv(idx) {
 var div = document.getElementById('NavFrame' + idx)
 var btn = document.getElementById('NavToggle' + idx)
 if (!div || !btn) return false
 var isShown = (btn.firstChild.data == NavigationBarHide)
 btn.firstChild.data = isShown ? NavigationBarShow : NavigationBarHide 
 var disp = isShown ? 'none' : 'block'
 for (var child = div.firstChild;  child != null;  child = child.nextSibling)
   if (hasClass(child, 'NavPic') || hasClass(child, 'NavContent')) 
      child.style.display = disp
}
 
 
//Load
if (wgCanonicalNamespace != 'Special'){
 if (wgAction != 'history') addOnloadHook(collapsibleDivs)
 if (wgAction == 'edit' || wgAction == 'submit') importScript('MediaWiki:Editpage.js')
 if (wgArticleId == 3) addOnloadHook(mainPageTab)
}