/**
* Intercept template variables
*
* @param $hook
* The name of the theme function being called (name of the .tpl.php file.)
* @param $vars
* A copy of the array containing the variables for the hook.
* @return
* The array containing additional variables to merge with $vars.
*/
function _phptemplate_variables($hook, $vars = array())
{
global $theme_key;
// Allow modules to add or alter variables.
// This construct ensures that we can keep a reference through
// call_user_func_array.
$args = array(&$vars, $hook);
foreach (module_implements('preprocess') as $module) {
if ($module != 'search') {
// Don't call search_preprocess().
$function = $module . '_preprocess';
call_user_func_array($function, $args);
}
}
foreach (module_implements('preprocess_' . $hook) as $module) {
$function = $module . '_preprocess_' . $hook;
call_user_func_array($function, $args);
}
// Allow the Zen base theme to add or alter variables.
if ($theme_key != 'zen') {
zen_preprocess($vars, $hook);
$function = 'zen_preprocess_' . $hook;
if (function_exists($function)) {
$function($vars, $hook);
}
}
// Allow a sub-theme to add or alter variables.
$function = $theme_key . '_preprocess';
if (function_exists($function)) {
$function($vars, $hook);
} else {
$function = 'phptemplate_preprocess';
if (function_exists($function)) {
$function($vars, $hook);
}
}
$function = $theme_key . '_preprocess_' . $hook;
if (function_exists($function)) {
$function($vars, $hook);
} else {
$function = 'phptemplate_preprocess_' . $hook;
if (function_exists($function)) {
$function($vars, $hook);
}
}
// The following is a deprecated function included for backwards compatibility
// with Zen 5.x-0.8 and earlier. New sub-themes should not use this function.
if (function_exists('zen_variables')) {
$vars = zen_variables($hook, $vars);
}
_zen_hook($hook);
// Add support for sub-theme template files.
return $vars;
}
/**
* Intercept template variables
*
* @param $hook
* The name of the theme function being executed
* @param $vars
* A sequential array of variables passed to the theme function.
*/
function _phptemplate_variables($hook, $vars = array())
{
// get the currently logged in user
global $user;
// set a new $is_admin variable
// this is determined by looking at the currently logged in user and seeing if they are in the role 'admin'
// the 'admin' will need to have been created manually for this to work
// this variable is available to all templates
$vars['is_admin'] = in_array('admin', $user->roles);
switch ($hook) {
// Send a new variable, $logged_in, to page.tpl.php to tell us if the current user is logged in or out.
case 'page':
global $theme, $theme_key;
// if we're in the main theme
if ($theme == $theme_key) {
// These next lines add additional CSS files and redefine
// the $css and $styles variables available to your page template
// We had previously used @import declarations in the css files,
// but these are incompatible with the CSS caching in Drupal 5
drupal_add_css($vars['directory'] . '/layout.css', 'theme', 'all');
drupal_add_css($vars['directory'] . '/icons.css', 'theme', 'all');
drupal_add_css($vars['directory'] . '/zen.css', 'theme', 'all');
$vars['css'] = drupal_add_css($vars['directory'] . '/print.css', 'theme', 'print');
$vars['styles'] = drupal_get_css();
}
// An anonymous user has a user id of zero.
if ($user->uid > 0) {
// The user is logged in.
$vars['logged_in'] = TRUE;
} else {
// The user has logged out.
$vars['logged_in'] = FALSE;
}
$body_classes = array();
// classes for body element
// allows advanced theming based on context (home page, node of certain type, etc.)
$body_classes[] = $vars['is_front'] ? 'front' : 'not-front';
$body_classes[] = $vars['logged_in'] ? 'logged-in' : 'not-logged-in';
if ($vars['node']->type) {
// if on an individual node page, put the node type in the body classes
$body_classes[] = 'ntype-' . zen_id_safe($vars['node']->type);
}
switch (TRUE) {
case $vars['sidebar_left'] && $vars['sidebar_right']:
$body_classes[] = 'both-sidebars';
break;
case $vars['sidebar_left']:
$body_classes[] = 'sidebar-left';
break;
case $vars['sidebar_right']:
$body_classes[] = 'sidebar-right';
break;
}
// implode with spaces
$vars['body_classes'] = implode(' ', $body_classes);
break;
case 'node':
if ($vars['submitted']) {
// we redefine the format for submitted
// adding macrotags and
$vars['submitted'] = t('Posted <abbr class="created" title="!microdate">@date</abbr> by !username', array('!username' => theme('username', $vars['node']), '@date' => format_date($vars['node']->created, 'custom', "F jS, Y"), '!microdate' => format_date($vars['node']->created, 'custom', "Y-m-d\\TH:i:sO")));
}
// special classes for nodes
$node_classes = array('node');
if ($vars['sticky']) {
$node_classes[] = 'sticky';
}
if (!$vars['node']->status) {
$node_classes[] = 'node-unpublished';
}
if ($vars['node']->uid && $vars['node']->uid == $user->uid) {
// node is authored by current user
$node_classes[] = 'node-mine';
}
// class for node type: "ntype-page", "ntype-story", "ntype-my-custom-type", etc.
$node_classes[] = 'ntype-' . zen_id_safe($vars['node']->type);
// implode with spaces
$vars['node_classes'] = implode(' ', $node_classes);
break;
case 'comment':
// we load the node object that the current comment is attached to
$node = node_load($vars['comment']->nid);
// if the author of this comment is equal to the author of the node, we set a variable
// then in our theme we can theme this comment differently to stand out
$vars['author_comment'] = $vars['comment']->uid == $node->uid ? TRUE : FALSE;
$comment_classes = array('comment');
// odd/even handling
static $comment_odd = TRUE;
$comment_classes[] = $comment_odd ? 'odd' : 'even';
$comment_odd = !$comment_odd;
if ($vars['comment']->status == COMMENT_NOT_PUBLISHED) {
$comment_classes[] = 'comment-unpublished';
}
if ($vars['author_comment']) {
// comment is by the node author
$comment_classes[] = 'comment-by-author';
}
if ($vars['comment']->uid == 0) {
// comment is by an anonymous user
$comment_classes[] = 'comment-by-anon';
}
if ($user->uid && $vars['comment']->uid == $user->uid) {
// comment was posted by current user
$comment_classes[] = 'comment-mine';
}
$vars['comment_classes'] = implode(' ', $comment_classes);
// if comment subjects are disabled, don't display 'em
if (variable_get('comment_subject_field', 1) == 0) {
$vars['title'] = '';
}
break;
}
// allow subtheme to add/alter variables
if (function_exists('zen_variables')) {
$vars = zen_variables($hook, $vars);
}
return $vars;
}
