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POIs it possible to *optionally* override a theme in Drupal 6?
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copied!<p>I want to override the theming of only one (custom) menu. I can do this with phptemplate_menu_tree() but - of course - it overrides the rendering of all menus.</p> <p>I've tried returning FALSE (an obvious technique IMO) if the menu is not the specific one I want to override - but this doesn't cause the overridden theme function to be called.</p> <p>My only alternative (when the menu is anything other than the specific one) is to call the overridden function from within phptemplate_menu_tree() - but this seems to defeat the whole point of the override system, since the default rendering function will be hard-coded therein. </p> <p>I hope the explanation is clear, and any help is greatly appreciated - tks.</p> <h1>UPDATE</h1> <p>For the sake of future reference, I'll explain how I solved this.</p> <p>First off, the menu rendering starts with this function in menu.module: <code><pre> function menu_block($op = 'list', $delta = 0) { $menus = menu_get_menus(); // The Navigation menu is handled by the user module. unset($menus['navigation']); if ($op == 'list') { $blocks = array(); foreach ($menus as $name => $title) { // Default "Navigation" block is handled by user.module. $blocks[$name]['info'] = check_plain($title); // Menu blocks can't be cached because each menu item can have // a custom access callback. menu.inc manages its own caching. $blocks[$name]['cache'] = BLOCK_NO_CACHE; } return $blocks; } else if ($op == 'view') { $data['subject'] = check_plain($menus[$delta]); $data['content'] = menu_tree($delta); return $data; } } </code></pre></p> <p>If you only want to override how individual item (links) are rendered then you can use the theme system (there are loads of references on how do this) - but if you want complete control on how the <em>entire</em> menu tree is rendered (for example, wrapping the output in nested DIVs so it can be centred on the page) then there is no way to override menu_block().</p> <p>Therefore, I removed the menu I wanted to render differently from the administer blocks page (site building->blocks) and rendered the menu directly in my page.tpl.php using code something like this: (angle brackets removed) <code><pre> $m = menu_tree_page_data('my-menu-id'); $o = "DIV"; foreach($m as $k => $v){ $o .= "SPAN {$v['link']['title']} /SPAN"; } $o .= "/DIV"; echo $o; </code></pre></p> <p>I hope this helps.</p>

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