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<?php
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/* $Id: zengine.engine,v 1.2 2007/05/06 00:36:34 jjeff Exp $
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88
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""
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888888888 ,adPPYba, 8b,dPPYba, ,adPPYb,d8 88 8b,dPPYba, ,adPPYba,
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a8P" a8P_____88 88P' `"8a a8" `Y88 88 88P' `"8a a8P_____88
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,d8P' 8PP""""""" 88 88 8b 88 88 88 88 8PP"""""""
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,d8" "8b, ,aa 88 88 "8a, ,d88 88 88 88 "8b, ,aa
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888888888 `"Ybbd8"' 88 88 `"YbbdP"Y8 88 88 88 `"Ybbd8"'
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aa, ,88
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"Y8bbdP" The theme engine for Drupal
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*/
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/**
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* @file
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* PHPTemplate-based theme engine for Drupal
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*/
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// zengine implements allmost any of its magic through calls to phptemplate.engine
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require_once('themes/engines/phptemplate/phptemplate.engine');
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function zengine_init($template) {
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return phptemplate_init($template);
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}
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function zengine_templates($directory = 'themes') {
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$files = drupal_system_listing('\.info$', $directory, 'filename');
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foreach ($files as $file) {
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$info = parse_ini_file($file->filename);
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if ($info['engine'] == 'zengine') {
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$themes[] = $file;
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}
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}
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return $themes;
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}
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function zengine_regions() {
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return array(
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'left' => t('left sidebar'),
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'right' => t('right sidebar'),
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'content_top' => t('content top'),
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'content_bottom' => t('content bottom'),
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'header' => t('header'),
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'footer' => t('footer')
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);
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}
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// rewrite of _phptemplate_default()
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// changes are commented
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function _zengine_default($hook, $variables, $suggestions = array(), $extension = '.zen.php') {
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global $theme_engine;
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// Loop through any suggestions in FIFO order.
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$suggestions = array_reverse($suggestions);
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foreach ($suggestions as $suggestion) {
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if (!empty($suggestion) && file_exists(path_to_theme() .'/'. $suggestion . $extension)) {
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$file = path_to_theme() .'/'. $suggestion . $extension;
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break;
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}
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}
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if (!isset($file)) {
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if (file_exists(path_to_theme() ."/$hook$extension")) {
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$file = path_to_theme() ."/$hook$extension";
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}
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else {
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// <-- added 'page' to the following line -->
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if (in_array($hook, array('node', 'block', 'box', 'comment', 'page'))) {
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// <-- end changes -->
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$file = path_to_engine() .'/'. $hook . $extension;
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}
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else {
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$variables['hook'] = $hook;
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watchdog('error', t('%engine.engine was instructed to override the %name theme function, but no valid template file was found.', array('%engine' => $theme_engine, '%name' => $hook)));
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$file = path_to_engine() .'/default'. $extension;
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}
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}
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}
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if (isset($file)) {
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return call_user_func('_'. $theme_engine .'_render', $file, $variables);
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}
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}
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function zengine_features() {
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return phptemplate_features();
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}
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function zengine_page($content, $show_blocks = TRUE) {
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return phptemplate_page($content, $show_blocks);
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}
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function zengine_node($node, $teaser = 0, $page = 0) {
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return phptemplate_node($node, $teaser, $page);
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}
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function zengine_comment($comment, $links = 0) {
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return phptemplate_comment($comment, $links);
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}
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function zengine_block($block) {
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return phptemplate_block($block);
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}
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function zengine_box($title, $content, $region = 'main') {
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return phptemplate_box($title, $content, $region);
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}
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function _zengine_render($file, $variables) {
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return _phptemplate_render($file, $variables);
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}
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function _zengine_variables($hook, $vars = array()) {
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// get the currently logged in user
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global $user;
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static $counters = array();
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$vars['count'] = $counters[$hook]['count']++;
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// An anonymous user has a user id of zero.
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$vars['logged_in'] = ($user->uid > 0);
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// set a new $is_admin variable
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// this variable is available to all templates
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$vars['is_admin'] = user_access('access administration pages');
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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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global $theme, $theme_key;
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// maybe this should get abstracted
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$zen_css_files = array(
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array('file' => 'fonts.css', 'scope' => 'all'),
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array('file' => 'zengine.css', 'scope' => 'all'),
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array('file' => 'layout.css', 'scope' => 'all'),
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array('file' => 'icons.css', 'scope' => 'all'),
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array('file' => 'colors.css', 'scope' => 'all'),
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array('file' => 'print.css', 'scope' => 'print'),
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);
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foreach ($zen_css_files as $css_file) {
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if (file_exists(path_to_theme() .'/'. $css_file['file'])) {
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$css_path = path_to_theme() .'/'. $css_file['file'];
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}
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else {
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$css_path = path_to_engine() .'/'. $css_file['file'];
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}
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$vars['css'] = drupal_add_css($css_path, 'theme', $css_file['scope'] ? $css_file['scope'] : 'all');
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}
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if (file_exists(path_to_theme() .'/style.css')) {
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$styles_path = path_to_theme() .'/style.css';
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} else {
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$styles_path = path_to_engine() .'/style.css';
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}
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unset($vars['css']['all']['theme'][$vars['directory'] .'/style.css']);
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$vars['css']['all']['theme'][$styles_path] = 1;
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$vars['styles'] = drupal_get_css($vars['css']);
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// @todo: IE hacks using conditional comments?
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$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 ($vars['node']->type) {
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// if on an individual node page, put the node type in the body classes
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$body_classes[] = 'ntype-'. form_clean_id($vars['node']->type);
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}
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switch (TRUE) {
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case $vars['sidebar_left'] && $vars['sidebar_right'] :
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$body_classes[] = 'both-sidebars';
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break;
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case $vars['sidebar_left'] :
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$body_classes[] = 'sidebar-left';
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break;
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case $vars['sidebar_right'] :
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$body_classes[] = 'sidebar-right';
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break;
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}
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// implode with spaces
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$vars['body_classes'] = implode(' ', $body_classes);
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break;
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case 'node':
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if ($vars['submitted']) {
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// we redefine the format for submitted
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// adding microformats
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$vars['submitted'] =
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t('Posted <abbr class="created" title="!microdate">@date</abbr> by !username',
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array(
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'!username' => theme('username', $vars['node']),
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'@date' => format_date($vars['node']->created,'custom', "F jS, Y"),
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'!microdate' => format_date($vars['node']->created,'custom', "Y-m-d\TH:i:sO")
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)
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);
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}
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// special classes for nodes
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$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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if ($vars['node']->uid && $vars['node']->uid == $user->uid) {
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// node is authored by current user
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$node_classes[] = 'node-mine';
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}
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// class for node type: "ntype-page", "ntype-story", "ntype-my-custom-type", etc.
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$node_classes[] = 'ntype-'. form_clean_id($vars['node']->type);
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$node_classes[] = $vars['zebra'];
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// implode with spaces
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$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 == $node->uid ? TRUE : FALSE;
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$comment_classes = array('comment');
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if ($vars['comment']->status == COMMENT_NOT_PUBLISHED) {
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$comment_classes[] = 'comment-unpublished';
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}
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if ($vars['author_comment']) {
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// comment is by the node author
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$comment_classes[] = 'comment-by-author';
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}
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if ($vars['comment']->uid == 0) {
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// comment is by an anonymous user
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$comment_classes[] = 'comment-by-anon';
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}
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if ($user->uid && $vars['comment']->uid == $user->uid) {
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// comment was posted by current user
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$comment_classes[] = 'comment-mine';
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}
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$comment_classes[] = $vars['zebra'];
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$vars['comment_classes'] = implode(' ', $comment_classes);
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// if comment subjects are disabled, don't display 'em
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if (variable_get('comment_subject_field', 1) == 0) {
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$vars['title'] = '';
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}
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break;
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case 'block' :
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$block = $vars['block'];
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$block_classes[] = 'block';
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$block_classes[] = 'block-'. form_clean_id($block->module);
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$block_classes[] = $vars['zebra'];
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$vars['block_classes'] = implode(' ', $block_classes);
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if (user_access('administer blocks')) {
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$edit_links = '<div class="edit">';
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$edit_links .= "[". l(t('configure'), 'admin/build/block/configure/'. $block->module .'/'. $block->delta, array(), drupal_get_destination()) ."]";
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if ($block->module == 'views') {
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$view = views_get_view($block->delta);
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$edit_links .= " [". l(t('edit view'), 'admin/build/views/'. $view->vid .'/edit', array(), drupal_get_destination(), 'edit-block') ."]";
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}
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elseif ($block->module == 'menu' || ($block->module == 'user' && $block->delta == 1)) {
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$edit_links .= " [". l(t('edit menu'), 'admin/build/menu', array(), drupal_get_destination()) ."]";
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}
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$edit_links .= "</div>";
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$vars['edit_links'] = $edit_links;
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}
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}
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return $vars;
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}
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