MediaWiki:Collapsebuttons.js — различия между версиями

var NavigationBarHide = '[скрыть]'
var NavigationBarShow = '[показать]'
var NavigationBarShowDefault = 2
 
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 collapsibleTables(){
 var Table, HRow,  HCell, btn, a, tblIdx = 0, colTables = []
 var allTables = document.getElementsByTagName('table')
 for (var i=0; Table = allTables[i]; i++){
   if (!hasClass(Table, 'collapsible')) continue
   if (!(HRow=Table.rows[0])) continue
   if (!(HCell=HRow.getElementsByTagName('th')[0])) continue
   Table.id = 'collapsibleTable' + tblIdx
   btn = document.createElement('span')
   btn.style.cssText = 'float:right; font-weight:normal; font-size:smaller'
   a = document.createElement('a')
   a.id = 'collapseButton' + tblIdx
   a.href = 'javascript:collapseTable(' + tblIdx + ');'
   a.style.color = HCell.style.color
   a.appendChild(document.createTextNode(NavigationBarHide))
   btn.appendChild(a)
   HCell.insertBefore(btn, HCell.childNodes[0])
   colTables[tblIdx++] = Table
 }
 for (var i=0; i < tblIdx; i++)
   if ((tblIdx > NavigationBarShowDefault && hasClass(colTables[i], 'autocollapse')) || hasClass(colTables[i], 'collapsed'))
     collapseTable(i)
}
 
function collapseTable (idx){
 var Table = document.getElementById('collapsibleTable' + idx)
 var btn = document.getElementById('collapseButton' + idx)
 if (!Table || !btn) return false
 var Rows = Table.rows
 var isShown = (btn.firstChild.data == NavigationBarHide)
 btn.firstChild.data = isShown ?  NavigationBarShow : NavigationBarHide
 var disp = isShown ? 'none' : Rows[0].style.display
 for (var i=1; i < Rows.length; i++)
    Rows[i].style.display = disp
}
 
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
}
 
addOnloadHook(collapsibleDivs)
addOnloadHook(collapsibleTables)