MediaWiki:Common.js

3D Game Comparison - Game vs. game. No hype; just facts.™

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/*

Test if an element has a certain class

*
* Description: Uses regular expressions and caching for better performance.
* Maintainers: w:User:Mike Dillon, w:User:R. Koot, w: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);
   };

})();

/*

Collapsible tables

*
*  Description: Allows tables to be collapsed, showing only the header. See
*               w:Wikipedia:NavFrame.
*  Maintainers: w:User:R. Koot
*/

var autoCollapse = 2; var collapseCaption = "—"; var expandCaption = "+";

function collapseTable( tableIndex ) {

   var Button = document.getElementById( "collapseButton" + tableIndex );
   var Table = document.getElementById( "collapsibleTable" + tableIndex );

   if ( !Table || !Button ) {
       return false;
   }

   var Rows = Table.getElementsByTagName( "tr" ); 

   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" ) ) {
           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.style.styleFloat = "right";
           Button.style.cssFloat = "right";
           Button.style.fontWeight = "normal";
           Button.style.textAlign = "right";
           Button.style.width = "6em";

           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( "]" ) );

           var Header = Tables[i].getElementsByTagName( "tr" )[0].getElementsByTagName( "th" )[0];
           /* only add button and increment count if there is a header row to work with */
           if (Header) {
               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 );
       }
   }

}

addOnloadHook( createCollapseButtons );

/*

Dynamic Navigation Bars (experimental)

*
*  Description: See w:Wikipedia:NavFrame.
*  Maintainers: UNMAINTAINED
*/

// set up the words in your language var NavigationBarHide = '[' + collapseCaption + ']'; var NavigationBarShow = '[' + expandCaption + ']';

// shows and hides content and picture (if available) of navigation bars // Parameters: // indexNavigationBar: the index of navigation bar to be toggled function toggleNavigationBar(indexNavigationBar) {

  var NavToggle = document.getElementById("NavToggle" + indexNavigationBar);
  var NavFrame = document.getElementById("NavFrame" + indexNavigationBar);

  if (!NavFrame || !NavToggle) {
      return false;
  }

  // if shown now
  if (NavToggle.firstChild.data == NavigationBarHide) {
      for (
              var NavChild = NavFrame.firstChild;
              NavChild != null;
              NavChild = NavChild.nextSibling
          ) {
          if ( hasClass( NavChild, 'NavPic' ) ) {
              NavChild.style.display = 'none';
          }
          if ( hasClass( NavChild, 'NavContent') ) {
              NavChild.style.display = 'none';
          }
      }
  NavToggle.firstChild.data = NavigationBarShow;

  // if hidden now
  } else if (NavToggle.firstChild.data == NavigationBarShow) {
      for (
              var NavChild = NavFrame.firstChild;
              NavChild != null;
              NavChild = NavChild.nextSibling
          ) {
          if (hasClass(NavChild, 'NavPic')) {
              NavChild.style.display = 'block';
          }
          if (hasClass(NavChild, 'NavContent')) {
              NavChild.style.display = 'block';
          }
      }
  NavToggle.firstChild.data = NavigationBarHide;
  }

}

// adds show/hide-button to navigation bars function createNavigationBarToggleButton() {

  var indexNavigationBar = 0;
  // iterate over all < div >-elements 
  var divs = document.getElementsByTagName("div");
  for(
          var i=0; 
          NavFrame = divs[i]; 
          i++
      ) {
      // if found a navigation bar
      if (hasClass(NavFrame, "NavFrame")) {

          indexNavigationBar++;
          var NavToggle = document.createElement("a");
          NavToggle.className = 'NavToggle';
          NavToggle.setAttribute('id', 'NavToggle' + indexNavigationBar);
          NavToggle.setAttribute('href', 'javascript:toggleNavigationBar(' + indexNavigationBar + ');');

          var NavToggleText = document.createTextNode(NavigationBarHide);
          for (
               var NavChild = NavFrame.firstChild;
               NavChild != null;
               NavChild = NavChild.nextSibling
              ) {
              if ( hasClass( NavChild, 'NavPic' ) || hasClass( NavChild, 'NavContent' ) ) {
                  if (NavChild.style.display == 'none') {
                      NavToggleText = document.createTextNode(NavigationBarShow);
                      break;
                  }
              }
          }

          NavToggle.appendChild(NavToggleText);
          // Find the NavHead and attach the toggle link (Must be this complicated because Moz's firstChild handling is borked)
          for(
            var j=0; 
            j < NavFrame.childNodes.length; 
            j++
          ) {
            if (hasClass(NavFrame.childNodes[j], "NavHead")) {
              NavFrame.childNodes[j].appendChild(NavToggle);
            }
          }
          NavFrame.setAttribute('id', 'NavFrame' + indexNavigationBar);
      }
  }

}

addOnloadHook( createNavigationBarToggleButton );

/*

Extra toolbar options

*
*  Description: UNDOCUMENTED
*  Maintainers: w:User:MarkS?, w:User:Voice of All, w:User:R. Koot
*/

//This is a modified copy of a script by User:MarkS for extra features added by User:Voice of All. // This is based on the original code on w:Wikipedia:Tools/Editing tools // To disable this script, add mwCustomEditButtons = [];<code> to Special:Mypage/monobook.js

if (mwCustomEditButtons) {

 mwCustomEditButtons[mwCustomEditButtons.length] = {
   "imageFile": "",