MediaWiki:Common.js

/* Размещённый здесь JavaScript код будет загружаться всем пользователям при обращении к каждой странице */

/** Collapsible tables *********************************************************
 *
 *  Description: Allows tables to be collapsed, showing only the header. See
 *                         http://www.mediawiki.org/wiki/Manual:Collapsible_tables.
 *  Maintainers: [[en:User:R. Koot]]
 */
 
var autoCollapse = 2;
var collapseCaption = 'скрыть';
var expandCaption = 'показать';
 
function collapseTable( tableIndex ) {
        var Button = document.getElementById( 'collapseButton' + tableIndex );
        var Table = document.getElementById( 'collapsibleTable' + tableIndex );
 
        if ( !Table || !Button ) {
                return false;
        }
 
        var Rows = Table.rows;
 
        if ( Button.firstChild.data == collapseCaption ) {
                for ( var i = 1; i < Rows.length; i++ ) {
                        Rows[i].style.display = 'none';
                }
                Button.firstChild.data = expandCaption;
        } else {
                for ( var i = 1; i < Rows.length; i++ ) {
                        Rows[i].style.display = Rows[0].style.display;
                }
                Button.firstChild.data = collapseCaption;
        }
}
 
function createCollapseButtons() {
        var tableIndex = 0;
        var NavigationBoxes = new Object();
        var Tables = document.getElementsByTagName( 'table' );
 
        for ( var i = 0; i < Tables.length; i++ ) {
                if ( hasClass( Tables[i], 'collapsible' ) ) {
 
                        /* only add button and increment count if there is a header row to work with */
                        var HeaderRow = Tables[i].getElementsByTagName( 'tr' )[0];
                        if ( !HeaderRow ) {
                                continue;
                        }
                        var Header = HeaderRow.getElementsByTagName( 'th' )[0];
                        if ( !Header ) {
                                continue;
                        }
 
                        NavigationBoxes[tableIndex] = Tables[i];
                        Tables[i].setAttribute( 'id', 'collapsibleTable' + tableIndex );
 
                        var Button = document.createElement( 'span' );
                        var ButtonLink = document.createElement( 'a' );
                        var ButtonText = document.createTextNode( collapseCaption );
 
                        Button.className = 'collapseButton'; // Styles are declared in [[MediaWiki:Common.css]]
 
                        ButtonLink.style.color = Header.style.color;
                        ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex );
                        ButtonLink.setAttribute( 'href', "javascript:collapseTable(" + tableIndex + ");" );
                        ButtonLink.appendChild( ButtonText );
 
                        Button.appendChild( document.createTextNode( '[' ) );
                        Button.appendChild( ButtonLink );
                        Button.appendChild( document.createTextNode( ']' ) );
 
                        Header.insertBefore( Button, Header.childNodes[0] );
                        tableIndex++;
                }
        }
 
        for ( var i = 0;  i < tableIndex; i++ ) {
                if ( hasClass( NavigationBoxes[i], 'collapsed' ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], 'autocollapse' ) ) ) {
                        collapseTable( i );
                } else if ( hasClass( NavigationBoxes[i], 'innercollapse' ) ) {
                        var element = NavigationBoxes[i];
                        while ( element = element.parentNode ) {
                                if ( hasClass( element, 'outercollapse' ) ) {
                                        collapseTable( i );
                                        break;
                                }
                        }
                }
        }
}
 
addOnloadHook( createCollapseButtons );

/** Test if an element has a certain class **************************************
 *
 * Description: Uses regular expressions and caching for better performance.
 * Maintainers: [[User:Mike Dillon]], [[User:R. Koot]], [[User:SG]]
 */
 
var hasClass = ( function() {
        var reCache = {};
        return function( element, className ) {
                return ( reCache[className] ? reCache[className] : ( reCache[className] = new RegExp( "(?:\\s|^)" + className + "(?:\\s|$)" ) ) ).test( element.className );
        };
})();

//Collapsiblе: [[ВП:СБ]]
 
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
}

var NavigationBarHide = '[скрыть]';
var NavigationBarShow = '[показать]';
var NavigationBarShowDefault = 2;

addOnloadHook( collapsibleDivs );