Difference between revisions of "MediaWiki:Common.js"

Latest revision as of 16:49, 1 July 2017

/* Any JavaScript here will be loaded for all users on every page load. */

/** 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]]
 */
 
window.autoCollapse = 2;
window.collapseCaption = 'hide';
window.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;

  if ( Button.firstChild.data == window.collapseCaption ) {
    for ( var i = 1; i < Rows.length; i++ ) {
      Rows[i].style.display = 'none';
    }

    Button.firstChild.data = window.expandCaption;
  } else {
    for ( var i = 1; i < Rows.length; i++ ) {
      Rows[i].style.display = Rows[0].style.display;
    }

    Button.firstChild.data = window.collapseCaption;
  }
}

/* Fix overlapping pageicons */
$(function() {var prot = document.getElementById('protected-icon'); if (document.getElementById('featured-star') && prot) prot.style.marginRight = '25px';});

window.hasClass = ( function() {
  var reCache = {};
  return function( element, className ) {
    return ( reCache[className] ? reCache[className] : ( reCache[className] = new RegExp( "(?:\\s|^)" + className + "(?:\\s|$)" ) ) ).test( element.className );
  };
})();

window.createCollapseButtons = function() {
  var tableIndex = 0;
  var NavigationBoxes = new Object();
  var Tables = document.getElementsByTagName( 'table' );

  for ( var i = 0; i < Tables.length; i++ ) {
    if ( window.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( window.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 ( window.hasClass( NavigationBoxes[i], 'collapsed' ) || ( tableIndex >= window.autoCollapse && hasClass( NavigationBoxes[i], 'autocollapse' ) ) ) {
      collapseTable( i );
    } else if ( window.hasClass( NavigationBoxes[i], 'innercollapse' ) ) {
      var element = NavigationBoxes[i];
      while ( element = element.parentNode ) {
        if ( window.hasClass( element, 'outercollapse' ) ) {
          collapseTable( i );
          break;
        }
      }
    }
  }
}
 
$( createCollapseButtons );