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<?php
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// $Id$
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/*
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* Declare the available regions implemented by this engine.
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*
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* @return
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* An array of regions. The first array element will be used as the default region for themes.
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* Each array element takes the format: variable_name => t('human readable name')
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*/
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function abarre_regions() {
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return array(
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'left' => t('left sidebar'),
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'content_top' => t('content top'),
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'content_bottom' => t('content bottom'),
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'header' => t('header'),
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'footer' => t('footer')
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);
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}
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/**
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* Intercept template variables
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*
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* @param $hook
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* The name of the theme function being executed
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* @param $vars
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* A sequential array of variables passed to the theme function.
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*/
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function _phptemplate_variables($hook, $vars = array()) {
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switch ($hook) {
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// Send a new variable, $logged_in, to page.tpl.php to tell us if the current user is logged in or out.
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case 'page':
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// get the currently logged in user
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global $user;
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// An anonymous user has a user id of zero.
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if ($user->uid > 0) {
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// The user is logged in.
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$vars['logged_in'] = TRUE;
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}
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else {
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// The user has logged out.
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$vars['logged_in'] = FALSE;
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}
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$body_classes = array();
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// classes for body element
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// allows advanced theming based on context (home page, node of certain type, etc.)
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$body_classes[] = ($vars['is_front']) ? 'front' : 'not-front';
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$body_classes[] = ($vars['logged_in']) ? 'logged-in' : 'not-logged-in';
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if ($vars['node']->type) {
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$body_classes[] = 'ntype-'. abarre_id_safe($vars['node']->type);
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}
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// implode with spaces
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$vars['body_classes'] = implode(' ', $body_classes);
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break;
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case 'node':
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// get the currently logged in user
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global $user;
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// set a new $is_admin variable
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// this is determined by looking at the currently logged in user and seeing if they are in the role 'admin'
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$vars['is_admin'] = in_array('admin', $user->roles);
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$node_classes = array('node');
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if ($vars['sticky']) {
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$node_classes[] = 'sticky';
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}
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if (!$vars['node']->status) {
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$node_classes[] = 'node-unpublished';
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}
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$node_classes[] = 'ntype-'. abarre_id_safe($vars['node']->type);
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// implode with spaces
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$vars['node_classes'] = implode(' ', $node_classes);
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break;
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case 'comment':
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// we load the node object that the current comment is attached to
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$node = node_load($vars['comment']->nid);
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// if the author of this comment is equal to the author of the node, we set a variable
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// then in our theme we can theme this comment differently to stand out
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$vars['author_comment'] = $vars['comment']->uid == $node->uid ? TRUE : FALSE;
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break;
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}
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return $vars;
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}
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/**
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* Converts a string to a suitable html ID attribute.
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* - Preceeds initial numeric with 'n' character.
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* - Replaces space and underscore with dash.
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* - Converts entire string to lowercase.
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* - Works for classes too!
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*
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* @param string $string
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* the string
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* @return
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* the converted string
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*/
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function abarre_id_safe($string) {
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if (is_numeric($string{0})) {
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// if the first character is numeric, add 'n' in front
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$string = 'n'. $string;
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}
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return strtolower(preg_replace('/[^a-zA-Z0-9-]+/', '-', $string));
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}
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