Expandable.php

<?

1. Insert a JS function into the page to be called when show/hide links are clicked

$article = preg_replace( '/(<\\/head\\s*>)/', '<script type="text/javascript"> function toggleExpandable(id) { var content = document.getElementById("expandable-"+id); if (content.style.display == "none") content.style.display = ""; else content.style.display = "none"; this.parent.focus(); } </script>$1', $article );

1. Callback function executed for rendering each expandable table

function expandableCallback($matches) { $i = ++$GLOBALS["expandable/tbl-count"]; $open = $matches[2] ?  : ' style="display:none;"'; # default to expanded in id present after title attribute

return '

<a class=expandable-link href="javascript:toggleExpandable('.$i.')">► '.$matches[1].'</a>	<a href="'.$GLOBALS['xwScript'].'?title='.$matches[1].'&action=edit"></a>
'.$matches[3].' '; } Replace all the expandable tables with html containing CSS classes and the show/hide links $article = preg_replace_callback( '/(.+?<\\/table\\s*?>)/s', 'expandableCallback', $article ); ?>