21st September
2008
Recently I found myself wanting to add and remove stylesheets via template.php
I thought there must be a way to do it via the _phptemplate_variables function.
Sure enough, there is:
PHP:
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/**
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* Override or insert PHPTemplate variables into the templates.
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*/
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function _phptemplate_variables($hook, $vars) {
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if($hook == 'page'){
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/* add css
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* this is where css layout make themselves useful
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* basically we get the current css array, add to it, and set that to var $styles
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*/
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$new_css = drupal_add_css(); //get current css
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//full page layout for node add edit and admin pages
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if(arg(0) == 'admin' || arg(1) == 'add' || arg(1) == 'edit' || arg(2) == 'edit'){
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// this is how you add a stylesheet
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$new_css['all']['theme']['sites/all/themes/peoples_times/stylesheets/1c-b.css'] = TRUE;
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$vars['hide_sidebars'] = TRUE;
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}else{
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//default 2 column width
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$new_css['all']['theme']['sites/all/themes/peoples_times/stylesheets/2c-r.css'] = TRUE;
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}
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// rebuild CSS and assign it to styles var
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$vars['styles'] = drupal_get_css($new_css);
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}
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}
The example above assigns a stylesheet based on url path.
If it's a node add or edit page or admin page, it uses a 1 column layout stylesheet.
It also sets a 'hide sidebars' variable which is available in page.tpl.php
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