MediaWiki: Common.js

Latest revision as of 20:02, 13 December 2017

$(function() { mw.util.addPortletLink('p-personal','https://irowiki.org/discord','iW Discord'); });

var tocImgHid = stylepath + '/common/images/Arr_r.png';
var tocImgSho = stylepath + '/common/images/Arr_d.png';

function tocTree() {
  appendCSS('a.toctogHidden img, a.toctogShown img, a.toctogNull img {width:12px;height:12px;} #toc li a {padding-right:3px;} a.toctogNull img {visibility:hidden;}');

  var toc = document.getElementById('toc');
  if(!toc) return
  var li = toc.getElementsByTagName('li');
  for(var i=0;i<li.length;i++) {
    var cul = li[i].getElementsByTagName('ul');
    var a = document.createElement('a');
     if(cul.length == 0) {
       a.setAttribute('class','toctogNull');
     } else {
       a.setAttribute('class','toctogShown');
       a.setAttribute('id','toctog-a-' + i );
       a.setAttribute('href','javascript:tocTreeToggle("' + i + '");');
     }
     var img = document.createElement('img');
      img.setAttribute('src',tocImgHid);
      img.setAttribute('id','toctog-i-' + i );
     a.appendChild(img);
    li[i].insertBefore(a,li[i].firstChild);
    if(cul.length != 0) tocTreeToggle(i)
  }
}
if(wgNamespaceNumber != -1 && wgArticleId != 0) addOnloadHook(tocTree)

function tocTreeToggle(id) {
  var a = document.getElementById('toctog-a-' + id);
  var img = document.getElementById('toctog-i-' + id);
  var cul = a.parentNode.getElementsByTagName('ul');
  var disp;
  if(a.getAttribute('class') == 'toctogShown') {
    disp = 'none';
    a.setAttribute('class','toctogHidden');
    img.setAttribute('src',tocImgHid);
  } else {
    disp = 'block';
    a.setAttribute('class','toctogShown');
    img.setAttribute('src',tocImgSho);
  }
  for(var j=0;j<cul.length;j++) {
    if(cul[j].parentNode == a.parentNode) cul[j].style.display = disp
  }
}

/**
 * Collapsible tables *********************************************************
 *
 * Description: Allows tables to be collapsed, showing only the header. See
 *              [[Wikipedia:NavFrame]].
 * Maintainers: [[User:R. Koot]]
 */
 
var autoCollapse = 2;
var collapseCaption = 'hide';
var expandCaption = 'show';
 
window.collapseTable = function ( tableIndex ) {
    var Button = document.getElementById( 'collapseButton' + tableIndex );
    var Table = document.getElementById( 'collapsibleTable' + tableIndex );
 
    if ( !Table || !Button ) {
        return false;
    }
 
    var Rows = Table.rows;
    var i;
 
    if ( Button.firstChild.data === collapseCaption ) {
        for ( i = 1; i < Rows.length; i++ ) {
            Rows[i].style.display = 'none';
        }
        Button.firstChild.data = expandCaption;
    } else {
        for ( 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 = {};
    var Tables = document.getElementsByTagName( 'table' );
    var i;
 
    function handleButtonLink( index, e ) {
        window.collapseTable( index );
        e.preventDefault();
    }
 
    for ( i = 0; i < Tables.length; i++ ) {
        if ( $( Tables[i] ).hasClass( '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 Common.css */
 
            ButtonLink.style.color = Header.style.color;
            ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex );
            ButtonLink.setAttribute( 'href', '#' );
            $( ButtonLink ).on( 'click', $.proxy( handleButtonLink, ButtonLink, tableIndex ) );
            ButtonLink.appendChild( ButtonText );
 
            Button.appendChild( document.createTextNode( '[' ) );
            Button.appendChild( ButtonLink );
            Button.appendChild( document.createTextNode( ']' ) );
 
            Header.insertBefore( Button, Header.firstChild );
            tableIndex++;
        }
    }
 
    for ( i = 0;  i < tableIndex; i++ ) {
        if ( $( NavigationBoxes[i] ).hasClass( 'collapsed' ) || ( tableIndex >= autoCollapse && $( NavigationBoxes[i] ).hasClass( 'autocollapse' ) ) ) {
            window.collapseTable( i );
        } 
        else if ( $( NavigationBoxes[i] ).hasClass ( 'innercollapse' ) ) {
            var element = NavigationBoxes[i];
            while ((element = element.parentNode)) {
                if ( $( element ).hasClass( 'outercollapse' ) ) {
                    window.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 );
    };
})();