Location: PHPKode > projects > VuFind > vufind-1.0.1/web/interface/plugins/function.css.php
<?php
/*
 * Smarty plugin
 * -------------------------------------------------------------
 * File:     function.css.php
 * Type:     function
 * Name:     css
 * Purpose:  Loads a CSS file from the appropriate theme 
 *           directory.  Supports two parameters: 
 *              filename (required) - file to load from
 *                  interface/themes/[theme]/css/ folder.
 *              media (optional) - media attribute to
 *                  pass into <link> tag.
 * -------------------------------------------------------------
 */
function smarty_function_css($params, &$smarty)
{
    // Extract details from the config file, Smarty interface and parameters
    // so we can find CSS files:
    global $configArray;
    global $interface;
    $path = $configArray['Site']['path'];
    $local = $configArray['Site']['local'];
    $themes = explode(',', $interface->getVuFindTheme());
    $filename = $params['filename'];

    // Loop through the available themes looking for the requested CSS file:
    $css = false;
    foreach ($themes as $theme) {
        $theme = trim($theme);
        
        // If the file exists on the local file system, set $css to the relative
        // path needed to link to it from the web interface.
        if (file_exists("{$local}/interface/themes/{$theme}/css/{$filename}")) {
            $css = "{$path}/interface/themes/{$theme}/css/{$filename}";
            break;
        }
    }

    // If we couldn't find the file, we shouldn't try to link to it:
    if (!$css) {
        return '';
    }

    // We found the file -- build the link tag:        
    $media = isset($params['media']) ? " media=\"{$params['media']}\"" : '';
    return "<link rel=\"stylesheet\" type=\"text/css\"{$media} href=\"{$css}\" />";
}
?>
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