MediaWiki:Common.js

/** 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";
 
 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 
);