338 lines
12 KiB
Plaintext
338 lines
12 KiB
Plaintext
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<?php
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// $Id$
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/**
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* @file
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* Handles integration of templates written in pure php with the Drupal theme system.
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*/
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function phptemplate_init($template) {
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$file = dirname($template->filename) . '/template.php';
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if (file_exists($file)) {
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include_once($file);
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}
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}
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function phptemplate_templates($directory = 'themes') {
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return system_listing('^page\.tpl\.php$', $directory, 'filename');
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}
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/**
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* Execute a template engine call.
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*
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* Each call to the template engine has two parts. Namely preparing
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* the variables, and then doing something with them.
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*
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* The first step is done by all template engines / themes, the second
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* step is dependent on the engine used.
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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 $variables
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* A sequential array of variables passed to the theme function.
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* @param $file
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* A suggested template file to use. If the file is not found, the default $hook.tpl.php will be used.
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* @return
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* The HTML generated by the template system.
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*/
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function _phptemplate_callback($hook, $variables = array(), $file = null) {
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$variables = array_merge($variables, _phptemplate_default_variables($hook, $variables));
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// Allow specified variables to be overridden
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if (function_exists('_phptemplate_variables')) {
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$variables = array_merge($variables, _phptemplate_variables($hook, $variables));
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}
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if ($variables['template_file']) {
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$file = $variables['template_file'];
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}
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if (function_exists('_phptemplate_' . $hook)) {
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return call_user_func('_phptemplate_' . $hook, $variables, $file);
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}
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elseif (function_exists('_phptemplate_default')) {
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return call_user_func('_phptemplate_default', $hook, $variables, $file);
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}
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}
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/**
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* Adds additional helper variables to all templates.
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*
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* Counts how many times certain hooks have been called. Sidebar left / right are special cases.
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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 $variables
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* A sequential array of variables passed to the theme function.
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*/
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function _phptemplate_default_variables($hook, $variables) {
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static $count = array();
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$count[$hook] = is_int($count[$hook]) ? $count[$hook] : 1;
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$variables['zebra'] = ($count[$hook] % 2) ? 'odd' : 'even';
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$variables['id'] = $count[$hook]++;
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global $sidebar_indicator;
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if ($hook == 'block') {
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$count['block_counter'][$sidebar_indicator] = is_int($count['block_counter'][$sidebar_indicator]) ? $count['block_counter'][$sidebar_indicator] : 1;
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$variables['block_zebra'] = ($count['block_counter'][$sidebar_indicator] % 2) ? 'odd' : 'even';
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$variables['block_id'] = $count['block_counter'][$sidebar_indicator]++;
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}
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// Tell all templates where they are located.
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$variables['directory'] = path_to_theme();
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if (drupal_get_path_alias($_GET['q']) == variable_get('site_frontpage', 'node')) {
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$variables['is_front'] = true;
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}
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return $variables;
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}
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function phptemplate_features() {
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return array(
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'logo',
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'toggle_name',
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'toggle_search',
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'toggle_slogan',
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'toggle_mission',
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'toggle_primary_links',
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'toggle_secondary_links',
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'toggle_node_user_picture',
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'toggle_comment_user_picture');
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}
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/**
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* Prepare the values passed to the theme_page function to be passed
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* into a pluggable template engine.
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*/
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function phptemplate_page($content) {
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/* Set title and breadcrumb to declared values */
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if (file_exists(path_to_theme() . '/favicon.ico')) {
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drupal_set_html_head("<link rel=\"shortcut icon\" href=\"" . path_to_theme() . "/favicon.ico\" />\n");
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}
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if ($_GET['q'] == variable_get('site_frontpage', 'node')) {
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$mission = theme_get_setting('mission');
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$frontpage = true;
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}
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$links['primary'] = array();
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$links['secondary'] = array();
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foreach (array('primary', 'secondary') as $type) {
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//Get the data to populate the textfields, if the variable is not an array .. try to parse the old-style link format.
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$value = theme_get_setting($type . '_links');
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//Get the amount of links to show, possibly expanding if there are more links defined than the count specifies.
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$count = variable_get($type . '_link_count', 5);
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$count = ($count > sizeof($value['link'])) ? $count : sizeof($value['link']);
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if (theme_get_setting('toggle_' . $type . '_links')) {
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for ($i =0; $i < $count; $i++) {
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unset($attributes);
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if (!empty($value['text'][$i])) {
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if (!empty($value['description'][$i])) {
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$attributes['title'] = $value['description'][$i];
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}
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$text = $value['text'][$i];
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$link = $value['link'][$i];
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if (substr($link, 0, 4) == 'http') {
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$links[$type][] = '<a href="'. $link .'"'. drupal_attributes($attributes) .'>'. $text .'</a>';
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}
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else {
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$links[$type][] = l($text, $link, $attributes);
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}
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}
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}
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}
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}
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/**
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* Populate sidebars.
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*/
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$layout = "none";
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global $sidebar_indicator;
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/**
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* Sidebar_indicator tells the block counting code to count sidebars seperately.
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*/
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$sidebar_indicator = 'left';
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$sidebar_left = theme("blocks", "left");
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if ($sidebar_left != "") {
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$layout = "left";
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}
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$sidebar_indicator = 'right';
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$sidebar_right = theme("blocks", "right");
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if ($sidebar_right != "") {
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$layout = ($layout == "left") ? "both" : "right";
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}
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$sidebar_indicator = null;
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$variables = array(
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'head_title' => (drupal_get_title() ? strip_tags(drupal_get_title()) .' | '. variable_get('site_name', 'drupal') : variable_get('site_name', 'drupal') .' | '. variable_get('site_slogan', '')),
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'language' => $GLOBALS['locale'],
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'site' => variable_get('site_name', 'drupal'),
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'head' => drupal_get_html_head(),
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'onload_attributes' => theme('onload_attribute'),
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'logo' => theme_get_setting('logo'),
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'site_name' => (theme_get_setting('toggle_name') ? variable_get('site_name', 'Drupal') : ''),
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'site_slogan' => (theme_get_setting('toggle_slogan') ? variable_get('site_slogan', '') : ''),
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'search_box' => theme_get_setting('toggle_search'),
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'search_url' => url('search'),
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'search_button_text' => t('search'),
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'search_description' => t('Enter the terms you wish to search for.'),
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'title' => drupal_get_title(),
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'primary_links' => $links['primary'],
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'secondary_links' => $links['secondary'],
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'breadcrumb' => theme('breadcrumb', drupal_get_breadcrumb()),
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'tabs' => theme('menu_local_tasks'),
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'messages' => theme('status_messages'),
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'layout' => $layout,
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'help' => theme('help'),
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'styles' => theme_get_styles(),
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'mission' => $mission,
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'sidebar_left' => $sidebar_left,
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'content' => '<!-- begin content -->' . $content . '<!-- end content -->',
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'sidebar_right' => $sidebar_right,
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'footer_message' => variable_get('site_footer', FALSE),
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'closure' => theme('closure')
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);
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if ((arg(0) == 'node') && is_int(arg(1))) {
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$variables['node'] = node_load(array('nid' => arg(1)));
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}
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return _phptemplate_callback('page', $variables);
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}
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/**
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* Prepare the values passed to the theme_node function to be passed
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* into a pluggable template engine.
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*/
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function phptemplate_node($node, $main = 0, $page = 0) {
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if (module_exist('taxonomy')) {
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$taxonomy = taxonomy_link('taxonomy terms', $node);
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}
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else {
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$taxonomy = array();
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}
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$variables = array(
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'title' => check_plain($node->title),
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'node_url' => url('node/' . $node->nid),
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'terms' => theme('links',$taxonomy),
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'name' => format_name($node),
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'date' => format_date($node->created),
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'sticky' => $node->sticky,
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'picture' => theme_get_setting('toggle_node_user_picture') ? theme('user_picture', $node) : '',
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'content' => ($main && $node->teaser) ? $node->teaser : $node->body,
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'links' => $node->links ? theme('links', $node->links) : '',
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'mission' => $mission,
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'page' => $page,
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'taxonomy' => $taxonomy,
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/* Lastly , pass the actual node to allow more customization */
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'node' => $node,
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'main' => $main,
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'page' => $page
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);
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// Display info only on certain node types.
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if (theme_get_setting('toggle_node_info_' . $node->type)) {
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$variables['submitted'] = t('Submitted by %a on %b.', array('%a' => format_name($node), '%b' => format_date($node->created)));
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}
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return _phptemplate_callback('node', $variables, 'node-' . $node->type);
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}
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/**
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* Prepare the values passed to the theme_comment function to be passed
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* into a pluggable template engine.
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*/
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function phptemplate_comment($comment, $links = 0) {
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return _phptemplate_callback('comment', array(
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'new' => $comment->new ? t('new') : '',
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'comment' => $comment,
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'submitted' => t('Submitted by %a on %b.',
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array('%a' => format_name($comment),
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'%b' => format_date($comment->timestamp))),
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'title' => l($comment->subject, $_GET['q'], NULL, NULL, "comment-$comment->cid"),
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'picture' => theme_get_setting('toggle_comment_user_picture') ? theme('user_picture', $comment) : '',
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'links' => $links,
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'content' => $comment->comment,
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'author' => format_name($comment),
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'date' => format_date($comment->timestamp)
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));
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}
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/**
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* Prepare the values passed to the theme_block function to be passed
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* into a pluggable template engine.
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*/
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function phptemplate_block($block) {
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return _phptemplate_callback('block', array('block' => $block));
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}
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/**
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* Prepare the values passed to the theme_box function to be passed
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* into a pluggable template engine.
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*/
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function phptemplate_box($title, $content, $region = 'main') {
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return _phptemplate_callback('box', array(
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'title' => $title,
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'content' => $content,
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'region' => $region
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));
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}
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/**
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* Default callback for PHPTemplate.
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*
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* Load a template file, and pass the variable array to it.
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* If the suggested file is not found, PHPTemplate will attempt to use
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* a $hook.tpl.php file in the template directory, and failing that a
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* $hook.tpl.php in the PHPTemplate directory.
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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 $variables
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* A sequential array of variables passed to the theme function.
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* @param $file
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* A suggested template file to use.
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*/
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function _phptemplate_default($hook, $variables, $file = null) {
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if ($file && file_exists(path_to_theme() . "/$file.tpl.php")) {
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$file = path_to_theme() . "/$file.tpl.php";
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}
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else {
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if (file_exists(path_to_theme() . "/$hook.tpl.php")) {
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$file = path_to_theme() . "/$hook.tpl.php";
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}
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else {
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if (in_array($hook, array('node', 'block', 'box', 'comment'))) {
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$file = "themes/engines/phptemplate/$hook.tpl.php";
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}
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else {
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$variables['hook'] = $hook;
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watchdog('error', 'PHPTemplate was instructed to override the ' . $hook . ' theme function, but no valid template file was found.');
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$file = "themes/engines/phptemplate/default.tpl.php";
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}
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}
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}
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if ($file) {
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extract($variables); // Extract the vars to local namespace
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ob_start(); // Start output buffering
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include($file); // Include the file
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$contents = ob_get_contents(); // Get the contents of the buffer
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ob_end_clean(); // End buffering and discard
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return $contents; // Return the contents
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}
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}
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?>
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