t('Scratchpads forum tree'), 'status' => 0 ); return $blocks; } /** * Implementation of hook_block_view */ function scratchpads_forum_block_view($delta = ''){ global $user; $actions = _scratchpads_forum_action_links(); $links = array(); foreach($actions as $a){ $links[] = theme('menu_local_action', array( 'element' => $a )); } return array( 'subject' => t('Forums'), 'content' => array( 'top_links' => array( '#markup' => '

' . implode('', $links) . '

' ), 'tree' => array( '#theme' => 'item_list', '#items' => scratchpads_forum_tree(), '#type' => 'ul' ) ) ); } /** * Helper function. * Reorders the tree, adds the data, and adds a count. */ function _scratchpads_forum_tree_add_data($branch, $forum_tree, $forum_count_array){ $output = array(); foreach($branch as $key => $twig){ if(is_array($twig)){ $twig = _scratchpads_forum_tree_add_data($twig, $forum_tree, $forum_count_array); $output = array( $key => $twig ) + $output; }else{ $output = array( $key => $twig ) + $output; } if(count($twig) == 1){ if(($forum_tree->forums[$key]->is_container == FALSE) && (!isset($forum_tree->forums[$key]->container))){ $f_name = $forum_tree->forums[$key]->name; if($f_name != ''){ if((arg(1) == $key) && (arg(0) == 'forum')){ $twig2 = array( 'data' => $f_name . $forum_count_array[$key] ); }else{ $twig2 = array( 'data' => l($f_name, 'forum/' . $key) . $forum_count_array[$key] ); } $output = array( $key => $twig2 ) + $output; } } } } return $output; } /** * Helper function. * Adds links (if any) to the top level of the tree */ function _scratchpads_forum_level_one($branches, $forum_tree, $forum_count_array){ $output = array(); foreach($branches as $key => $branch){ if(is_array($branch)){ $output[$key] = $branch; }else{ $f_name = $forum_tree->forums[$key]->name; if((arg(1) == $key) && (arg(0) == 'forum')){ $output[$key] = array( 'data' => $f_name . $forum_count_array[$key] ); }else{ $output[$key] = array( 'data' => l($f_name, 'forum/' . $key) . $forum_count_array[$key] ); } } } return $output; } /** * Adds a navigation tree to forums */ function scratchpads_forum_tree(){ $items = array(); $forum_tree = forum_forum_load(); $forum_count_array = array(); $forums = $forum_tree->forums; // Query only used for counting foreach($forums as $key => $forum){ $query = db_select('node', 'n'); $query->fields('n', array( 'nid' )); $query->join('forum', 'f', 'n.nid = f.nid'); $query->condition('f.tid', $key, '='); $query->condition('n.type', 'forum', '='); $count_query = $query->countQuery(); $result = $count_query->execute(); $record = $result->fetchCol(); $count = $record[0]; if(($forum->is_container == TRUE) || (isset($forum->container))){ $forum_count_array[$forum->tid] = ''; }else{ $forum_count_array[$forum->tid] = $count_string = " (" . $count . ")"; } } $tree = array(); $tids = array_keys($forum_tree->forums); $tids = array_reverse($tids); $tids = drupal_map_assoc($tids); $tree = $tids; foreach($tids as $tid => $value){ if($forum_tree->forums[$tid]->parents[0]){ if(!is_array($tree[$forum_tree->forums[$tid]->parents[0]])){ $tree[$forum_tree->forums[$tid]->parents[0]] = array(); } $tree[$forum_tree->forums[$tid]->parents[0]]['children'][$tid] = $tree[$tid]; unset($tree[$tid]); $f_id = $forum_tree->forums[$tid]->parents[0]; $f_name = $forum_tree->forums[$f_id]->name; // add data for parent items if((arg(1) == $f_id) && (arg(0) == 'forum')){ $tree[$forum_tree->forums[$tid]->parents[0]]['data'] = $f_name . $forum_count_array[$f_id]; }else{ $tree[$forum_tree->forums[$tid]->parents[0]]['data'] = l($f_name, 'forum/' . $f_id) . $forum_count_array[$f_id]; } } } // reorder array and add child data $tree = _scratchpads_forum_tree_add_data($tree, $forum_tree, $forum_count_array); // add data if neither parent nor child $tree = _scratchpads_forum_level_one($tree, $forum_tree, $forum_count_array); return $tree; } /** * Implements hook_block_list_alter(). */ function scratchpads_forum_block_list_alter(&$blocks){ if(arg(0) == 'forum'){ foreach($blocks as $key => $block){ if($block->delta == 'scratchpads_pages-1'){ unset($blocks[$key]); } } } } /** * Returns the total number of forum nodes */ function scratchpads_forum_node_count(){ $query = db_select('node', 'n'); $query->condition('n.type', 'forum', '='); return $query->countQuery()->execute()->fetchField(); } /** * Implements hook_tools_pre_disable(). */ function scratchpads_forum_tools_pre_disable(){ if(scratchpads_forum_node_count() > 0){ $can_disable = false; }else{ $can_disable = true; } $tools_settings = array( 'can_disable' => $can_disable, 'cannot_disable_message' => "You cannot disable Forums while there is still data in the 'Forum Topic' content type.", 'disable_message' => "The 'forum topic' content type will be removed." ); return $tools_settings; }