1<?php 2 3/** 4 * @file 5 * User page callbacks for tracker.module. 6 */ 7 8 9/** 10 * Page callback: prints a listing of active nodes on the site. 11 * 12 * Queries the database for info, adds RDFa info if applicable, and generates 13 * the render array that will be used to render the page. 14 */ 15function tracker_page($account = NULL, $set_title = FALSE) { 16 if ($account) { 17 $query = db_select('tracker_user', 't')->extend('PagerDefault'); 18 $query->condition('t.uid', $account->uid); 19 20 if ($set_title) { 21 // When viewed from user/%user/track, display the name of the user 22 // as page title -- the tab title remains Track so this needs to be done 23 // here and not in the menu definition. 24 drupal_set_title(format_username($account)); 25 } 26 } 27 else { 28 $query = db_select('tracker_node', 't', array('target' => 'slave'))->extend('PagerDefault'); 29 } 30 31 // This array acts as a placeholder for the data selected later 32 // while keeping the correct order. 33 $nodes = $query 34 ->addTag('node_access') 35 ->fields('t', array('nid', 'changed')) 36 ->condition('t.published', 1) 37 ->orderBy('t.changed', 'DESC') 38 ->limit(25) 39 ->execute() 40 ->fetchAllAssoc('nid'); 41 42 $rows = array(); 43 if (!empty($nodes)) { 44 // Now, get the data and put into the placeholder array. 45 $result = db_query('SELECT n.nid, n.title, n.type, n.changed, n.uid, u.name, l.comment_count FROM {node} n INNER JOIN {node_comment_statistics} l ON n.nid = l.nid INNER JOIN {users} u ON n.uid = u.uid WHERE n.nid IN (:nids)', array(':nids' => array_keys($nodes)), array('target' => 'slave')); 46 foreach ($result as $node) { 47 $node->last_activity = $nodes[$node->nid]->changed; 48 $nodes[$node->nid] = $node; 49 } 50 51 // Display the data. 52 foreach ($nodes as $node) { 53 // Determine the number of comments. 54 $comments = 0; 55 if ($node->comment_count) { 56 $comments = $node->comment_count; 57 58 if ($new = comment_num_new($node->nid)) { 59 $comments .= '<br />'; 60 $comments .= l(format_plural($new, '1 new', '@count new'), 'node/' . $node->nid, array('fragment' => 'new')); 61 } 62 } 63 64 $row = array( 65 'type' => check_plain(node_type_get_name($node->type)), 66 'title' => array('data' => l($node->title, 'node/' . $node->nid) . ' ' . theme('mark', array('type' => node_mark($node->nid, $node->changed)))), 67 'author' => array('data' => theme('username', array('account' => $node))), 68 'replies' => array('class' => array('replies'), 'data' => $comments), 69 'last updated' => array('data' => t('!time ago', array('!time' => format_interval(REQUEST_TIME - $node->last_activity)))), 70 ); 71 72 // Adds extra RDFa markup to the $row array if the RDF module is enabled. 73 if (function_exists('rdf_mapping_load')) { 74 // Each node is not loaded for performance reasons, as a result we need 75 // to retrieve the RDF mapping for each node type. 76 $mapping = rdf_mapping_load('node', $node->type); 77 // Adds RDFa markup to the title of the node. Because the RDFa markup is 78 // added to the td tag which might contain HTML code, we specify an 79 // empty datatype to ensure the value of the title read by the RDFa 80 // parsers is a plain literal. 81 $row['title'] += rdf_rdfa_attributes($mapping['title']) + array('datatype' => ''); 82 // Annotates the td tag containing the author of the node. 83 $row['author'] += rdf_rdfa_attributes($mapping['uid']); 84 // Annotates the td tag containing the number of replies. We add the 85 // content attribute to ensure that only the comment count is used as 86 // the value for 'num_replies'. Otherwise, other text such as a link 87 // to the number of new comments could be included in the 'num_replies' 88 // value. 89 $row['replies'] += rdf_rdfa_attributes($mapping['comment_count']); 90 $row['replies'] += array('content' => $node->comment_count); 91 // If the node has no comments, we assume the node itself was modified 92 // and apply 'changed' in addition to 'last_activity'. If there are 93 // comments present, we cannot infer whether the node itself was 94 // modified or a comment was posted, so we use only 'last_activity'. 95 $mapping_last_activity = rdf_rdfa_attributes($mapping['last_activity'], $node->last_activity); 96 if ($node->comment_count == 0) { 97 $mapping_changed = rdf_rdfa_attributes($mapping['changed'], $node->last_activity); 98 $mapping_last_activity['property'] = array_merge($mapping_last_activity['property'], $mapping_changed['property']); 99 } 100 $row['last updated'] += $mapping_last_activity; 101 102 // We need to add the about attribute on the tr tag to specify which 103 // node the RDFa annotations above apply to. We move the content of 104 // $row to a 'data' sub array so we can specify attributes for the row. 105 $row = array('data' => $row); 106 $row['about'] = url('node/' . $node->nid); 107 } 108 $rows[] = $row; 109 } 110 } 111 112 $page['tracker'] = array( 113 '#rows' => $rows, 114 '#header' => array(t('Type'), t('Title'), t('Author'), t('Replies'), t('Last updated')), 115 '#theme' => 'table', 116 '#empty' => t('No content available.'), 117 '#attached' => array( 118 'css' => array(drupal_get_path('module', 'tracker') . '/tracker.css' => array()), 119 ), 120 ); 121 $page['pager'] = array( 122 '#theme' => 'pager', 123 '#weight' => 10, 124 ); 125 $page['#sorted'] = TRUE; 126 127 return $page; 128} 129