Utilitaire/CollapsibleTable.js

Utilitaire/CollapsibleTable.js

/** 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 = '-'; 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.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', '#' ); addHandler( ButtonLink, 'click', new Function( 'evt', 'collapseTable(' + tableIndex + ' ); return killEvt( evt );' ) ); 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 ); }; })();