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<?php
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/**
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* @file
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* Admin page callbacks for the help module.
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*/
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/**
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* Menu callback; prints a page listing a glossary of Drupal terminology.
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*/
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function help_main() {
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// Add CSS
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drupal_add_css(drupal_get_path('module', 'help') . '/help.css');
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$output = '<h2>' . t('Help topics') . '</h2><p>' . t('Help is available on the following items:') . '</p>' . help_links_as_list();
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return $output;
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}
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/**
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* Menu callback; prints a page listing general help for a module.
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*
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* @param $name
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* A module name to display a help page for.
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*/
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function help_page($name) {
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$output = '';
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if (module_hook($name, 'help')) {
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$info = system_get_info('module');
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drupal_set_title($info[$name]['name']);
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$temp = module_invoke($name, 'help', "admin/help#$name", drupal_help_arg());
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if (empty($temp)) {
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$output .= t("No help is available for module %module.", array('%module' => $info[$name]['name']));
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}
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else {
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$output .= $temp;
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}
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// Only print list of administration pages if the module in question has
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// any such pages associated to it.
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$admin_tasks = system_get_module_admin_tasks($name, $info[$name]);
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if (!empty($admin_tasks)) {
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$links = array();
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foreach ($admin_tasks as $task) {
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$links[] = l($task['title'], $task['link_path'], $task['localized_options']);
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}
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$output .= theme('item_list', array('items' => $links, 'title' => t('@module administration pages', array('@module' => $info[$name]['name']))));
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}
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}
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return $output;
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}
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/**
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* Provides a formatted list of available help topics.
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*
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* @return
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* A string containing the formatted list.
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*/
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function help_links_as_list() {
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$empty_arg = drupal_help_arg();
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$module_info = system_rebuild_module_data();
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$modules = array();
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foreach (module_implements('help', TRUE) as $module) {
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if (module_invoke($module, 'help', "admin/help#$module", $empty_arg)) {
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$modules[$module] = $module_info[$module]->info['name'];
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}
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}
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asort($modules);
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// Output pretty four-column list.
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$count = count($modules);
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$break = ceil($count / 4);
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$output = '<div class="clearfix"><div class="help-items"><ul>';
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$i = 0;
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foreach ($modules as $module => $name) {
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$output .= '<li>' . l($name, 'admin/help/' . $module) . '</li>';
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if (($i + 1) % $break == 0 && ($i + 1) != $count) {
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$output .= '</ul></div><div class="help-items' . ($i + 1 == $break * 3 ? ' help-items-last' : '') . '"><ul>';
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}
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$i++;
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}
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$output .= '</ul></div></div>';
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return $output;
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}
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