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<?php
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// $Id$
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/**
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* @file
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* This module allows nodes to be created that act as descriptions for taxonomy listing pages.
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*
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* @todo
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* - add a default option to redirect node to the taxonomy listing
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* - allow manipulation of the page title
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*
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*/
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/**
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* Implementation of hook_help().
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*/
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function taxonomynode_help($section) {
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switch ($section) {
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case 'admin/help#taxonomynode':
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return t('TODO: Create admin help text.');
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case 'admin/modules#description':
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return t('Allows nodes to be created to act as a description for taxonomy terms.');
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// OPTIONAL: Add additional cases for other paths that should display help text.
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}
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}
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/**
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* Implementation of hook_menu().
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*/
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function taxonomynode_menu($may_cache) {
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$access = user_access('administer nodes');
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$items = array();
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// hmmm... two tacts are possible...
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// either create a menu item for the terms associated with a node
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// or redirect to the node on the fly...
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if ($may_cache) {
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// create menu items for assigned items
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$result = db_query('SELECT nid, args FROM {taxonomy_node}');
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while($r = db_fetch_object($result)){
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$items[] = array(
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'path' => 'taxonomy/term/'. $r->args,
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'title' => t('taxonomy term'),
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'callback' => 'taxonomynode_page',
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'callback arguments' => array($r->nid),
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'access' => user_access('access content'),
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'type' => MENU_CALLBACK,
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);
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$items[] = array(
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'path' => 'taxonomy/term/'. $r->args .'/default',
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'title' => t('taxonomy'),
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'weight' => -2,
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'access' => user_access('access content'),
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'type' => MENU_DEFAULT_LOCAL_TASK,
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);
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$items[] = array(
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'path' => 'taxonomy/term/'. $r->args .'/edit',
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'title' => t('edit'),
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'callback' => 'taxonomynode_term_redirect',
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'callback arguments' => array($r->nid, 'edit'),
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'weight' => 2,
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'access' => $access,
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'type' => MENU_LOCAL_TASK,
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);
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if(module_exist('taxonomy_menu')){
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// taxonomy_menu uses a different menu structure
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// let's hijack that too!
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// first, let's decipher the argument and see if it's compatible with taxonomy_menu
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if(!strstr($r->arg, '+') && !strstr($r->args, ',')){
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$args = explode('/', $r->args);
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if($term = taxonomy_get_term($args[0])) {
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$vid = $term->vid;
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$tid = $term->tid;
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//now we whip through the taxonomy tree and find the tid
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// this stuff is borrowed from taxonomy_menu.module
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$path = 'taxonomy_menu/'. $vid;
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$tree = taxonomy_get_tree($vid);
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$old_depth = -1;
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$old_path = $path;
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foreach ($tree as $term) {
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if ($term->depth <= $old_depth) {
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$slashes_to_remove = $old_depth - $term->depth + 1;
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for ($i = 0; $i < $slashes_to_remove; $i++) {
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$old_path = substr($old_path, 0, strrpos($old_path, '/'));
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}
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}
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$path = $old_path .'/'. $term->tid;
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$old_depth = $term->depth;
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$old_path = $path;
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if($term->tid == $tid){
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// but what if there are children??? <-- bug
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$items[] = array(
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'path' => $path,
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'title' => t($term->name),
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'weight' => $term->weight,
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'callback' => 'taxonomynode_tm_page',
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'callback arguments' => array($r->nid, $term->tid),
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);
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$items[] = array(
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'path' => $path .'/default',
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'title' => t('taxonomy'),
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'weight' => -2,
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'type' => MENU_DEFAULT_LOCAL_TASK,
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);
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$items[] = array(
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'path' => $path .'/edit',
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'title' => t('edit'),
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'weight' => 0,
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'callback' => 'taxonomynode_term_redirect',
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'callback arguments' => array($r->nid, 'edit'),
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'type' => MENU_LOCAL_TASK,
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);
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}
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}
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/*
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foreach($tidpaths as $tidpath){
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$t = implode('/'. $tidpath);
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$items[] = array(
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'path' => 'taxonomy_menu/'. $vid .'/'. $t,
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'title' => t('taxonomy term'),
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'callback' => 'taxonomynode_tm_page',
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'callback arguments' => array($r->nid),
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'access' => user_access('access content'),
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'type' => MENU_CALLBACK,
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);
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$items[] = array(
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'path' => 'taxonomy_menu/'. $vid .'/'. $t .'/default',
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'title' => t('taxonomy'),
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'weight' => -5,
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'access' => $access,
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'type' => MENU_DEFAULT_LOCAL_TASK,
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);
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$items[] = array(
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'path' => 'taxonomy_menu/'. $vid .'/'. $t .'/edit',
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'title' => t('edit'),
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'callback' => 'taxonomynode_term_redirect',
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'callback arguments' => array($r->nid, 'edit'),
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'weight' => 2,
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'access' => $access,
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'type' => MENU_LOCAL_TASK,
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);
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}
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*/
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}
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}
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}
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}
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$items[] = array(
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'path' => 'taxonomynode/autocomplete',
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'title' => t('taxonomy node autocomplete'),
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'type' => MENU_CALLBACK,
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'callback' => 'taxonomynode_autocomplete',
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'access' => $access,
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);
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} else {
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/*
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if(arg(0) == 'taxonomy' && arg(1) == 'term' && arg(2)){
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$match = arg(2);
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if(arg(3)) {
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$match .= '/'.arg(3);
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}
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$result = db_result(db_query('SELECT nid FROM {taxonomy_node} WHERE args = "%s"', arg(2)));
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if ($result){
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drupal_goto("node/". $result);
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}
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}
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*/
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// add node tabs to taxonomy pages -- these could be cached
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if (arg(0) == 'taxonomy' && arg(1) == 'term' && arg(2)){
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$args = arg(2) . (arg(3) ? '/'. arg(3) : '');
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if($nid = taxonomynode_find_nid($args)){
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}
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}
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// if it's a node page
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if(arg(0) == 'node' && is_numeric(arg(1))){
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$node = node_load(arg(1));
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// and it's got taxonomy_node information...
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if (trim($node->taxonomy_node)){
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// add "taxonomy" tab to node tabs
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$items[] = array(
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'path' => 'node/'. arg(1),
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'title' => t('taxonomy'),
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'type' => MENU_CALLBACK,
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'weight' => -1,
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'callback' => 'taxonomynode_redirect',
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'access' => $access,
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'callback arguments' => array(arg(1)),
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);
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$items[] = array(
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'path' => 'node/'. arg(1) .'/view',
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'title' => t('taxonomy'),
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'type' => MENU_DEFAULT_LOCAL_TASK,
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'weight' => -1,
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'callback' => 'taxonomynode_redirect',
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'access' => $access,
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'callback arguments' => array(arg(1)),
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);
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}
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}
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}
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return $items;
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}
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/**
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* Implementation of hook_nodeapi().
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*/
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function taxonomynode_nodeapi(&$node, $op, $teaser = NULL, $page = NULL) {
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$vocabs = variable_get('txnode_'. $node->type, array());
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if(!empty($vocabs)){
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switch ($op) {
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case 'load':
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$node->taxonomy_node = db_result(db_query('SELECT args FROM {taxonomy_node} WHERE nid = %d', $node->nid));
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break;
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case 'insert':
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case 'update':
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$node->taxonomy_node = trim(taxonomynode_evaluate_textfield($node->taxonomy_node));
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if(!empty($node->taxonomy_node)){
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db_query('DELETE FROM {taxonomy_node} WHERE nid = %d', $node->nid);
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db_query('INSERT INTO {taxonomy_node} (nid, args) VALUES (%d, "%s")', $node->nid, $node->taxonomy_node);
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menu_rebuild();
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}
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break;
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case 'delete':
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db_query('DELETE FROM {taxonomy_node} WHERE nid = %d', $node->nid);
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break;
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case 'execute':
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$node->taxonomy_node = trim(taxonomynode_evaluate_textfield($node->taxonomy_node));
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break;
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case 'validate':
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$node->taxonomy_node = trim(taxonomynode_evaluate_textfield($node->taxonomy_node));
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if(!empty($node->taxonomy_node)){
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// VALIDATE THAT IT'S AN ACTUAL TAXONOMY LISTING
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$result = db_result(db_query('SELECT nid FROM {taxonomy_node} WHERE args = "%s"', $node->taxonomy_node));
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if($result && $result != $node->nid){
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// if this argument is being used by a different node already, return an error
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form_set_error('taxonomy_node', t('The taxonomy argument "'. $node->taxonomy_node .'" is already being used by another node. Please remove that reference before submitting this. <a href="%href">Click here</a> to edit the existing node.', array('href' => url('node/'. $result))));
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}
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}
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break;
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case 'view':
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$args = explode('/', $node->taxonomy_node);
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//next line doesn't work... hmm...
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//$node->body .= taxonomy_term_page($args[0], $args[1]);
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break;
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case 'fields':
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// OPTIONAL: Return array of additional fields to save to the node table.
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break;
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case 'search result':
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// OPTIONAL: Display extra node information with search result.
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break;
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case 'update index':
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// OPTIONAL: Insert code to index additional node properties.
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case 'print':
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// OPTIONAL: Prepare node for printer-friendly view.
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break;
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}
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}
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}
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function taxonomynode_form_alter($form_id, &$form){
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if (isset($form['type'])) {
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if ($form['type']['#value'] .'_node_settings' == $form_id) {
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$vocab_objs = taxonomy_get_vocabularies();
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foreach($vocab_objs as $vocab_obj){
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$vocabs[$vocab_obj->vid] = $vocab_obj->name;
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}
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$form['workflow']['txnode_'. $form['type']['#value']] = array(
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'#type' => 'checkboxes',
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'#title' => t('Taxonomy Node'),
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'#default_value' => variable_get('txnode_'. $form['type']['#value'], array()),
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'#options' => $vocabs,
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'#description' => t('To allow content of this type to appear as descriptions for taxonomy terms, select the vocabulary (or vocabularies) for which you would like to associate it.'),
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);
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}
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$node = $form['#node'];
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if ($form['type']['#value'] .'_node_form' == $form_id && user_access('administer nodes')) {
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$vids = variable_get('txnode_'. $node->type, array());
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if(!empty($vids)){
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if(is_numeric($node->taxonomy_node)){
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$term = taxonomy_get_term($node->taxonomy_node);
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$default_value = $term->name;
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} else {
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$default_value = $node->taxonomy_node;
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}
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$form['taxonomy_node'] = array(
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'#type' => 'fieldset',
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'#title' => t('Describe Category'),
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'#collapsible' => TRUE,
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'#collapsed' => empty($default_value),
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'#weight' => 8,
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);
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$form['taxonomy_node']['taxonomy_node'] = array(
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| 339 |
'#type' => 'textfield',
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| 340 |
'#title' => t('Category'),
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'#autocomplete_path' => 'taxonomynode/autocomplete/'. implode(',', $vids),
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| 342 |
'#default_value' => $default_value,
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'#prefix' => t('<div>Use this entry as an introduction for the following category or categories.</div>'),
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'#description' => t('Enter term name here and this node will appear as a description for the listing of items in this category. You can also assign this node to more complex taxonomy listings by entering the entire argument.<br />
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Examples:<br />
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- taxonomy/term/1 is a single term listing: enter either the term id or simply the <strong>name of term</strong><br/>
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| 347 |
- taxonomy/term/2/all shows complete branch: enter "<strong>2/all</strong>"<br/>
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| 348 |
- taxonomy/term/1,2,3 shows nodes containing ALL terms 1, 2, AND 3: enter "<strong>1,2,3</strong>"<br />
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| 349 |
- taxonomy/term/1+2+3 shows nodes containing ANY of the terms 1, 2, OR 3: enter "<strong>1+2+3</strong>"'),
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);
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}
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}
|
| 354 |
|
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}
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}
|
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| 358 |
/**
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| 359 |
* Callback for the taxonomy.module hijacks
|
| 360 |
*
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| 361 |
* @param unknown_type $nid
|
| 362 |
* @return unknown
|
| 363 |
*/
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function taxonomynode_page($nid){
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| 365 |
$node = node_load($nid);
|
| 366 |
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| 367 |
if (arg(4)){
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| 368 |
// if this is the feed page.
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| 369 |
// just hand it off to the taxonomy function
|
| 370 |
if(arg(4) == 'feed'){
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| 371 |
return taxonomy_term_page(arg(2), arg(3), arg(4));
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| 372 |
}
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| 373 |
else {
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| 374 |
$taxonomy_output = taxonomy_term_page(arg(2), arg(3), arg(4));
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| 375 |
}
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| 376 |
} elseif (arg(3)) {
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| 377 |
if(arg(3) == 'feed'){
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| 378 |
return taxonomy_term_page(arg(2), arg(3));
|
| 379 |
}
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| 380 |
else {
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| 381 |
$taxonomy_output = taxonomy_term_page(arg(2), arg(3));
|
| 382 |
}
|
| 383 |
} else {
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| 384 |
$taxonomy_output = taxonomy_term_page(arg(2));
|
| 385 |
}
|
| 386 |
|
| 387 |
$output = theme('taxonomynode_output', $node, $taxonomy_output);
|
| 388 |
|
| 389 |
return $output;
|
| 390 |
|
| 391 |
}
|
| 392 |
|
| 393 |
/**
|
| 394 |
* Callback for the taxonomy_menu.module hijacks
|
| 395 |
*
|
| 396 |
* @param unknown_type $nid
|
| 397 |
*/
|
| 398 |
function taxonomynode_tm_page($nid, $tid){
|
| 399 |
//check to see if this is a submenu item
|
| 400 |
$i = 2;
|
| 401 |
while(arg($i) != $tid){
|
| 402 |
$i++;
|
| 403 |
}
|
| 404 |
$i++;
|
| 405 |
if(is_numeric(arg($i))){
|
| 406 |
$output = taxonomy_menu_page();
|
| 407 |
}
|
| 408 |
else {
|
| 409 |
// the good stuff
|
| 410 |
$node = node_load($nid);
|
| 411 |
|
| 412 |
$taxonomy_menu_output = taxonomy_menu_page();
|
| 413 |
|
| 414 |
$output = theme('taxonomynode_output', $node, $taxonomy_menu_output);
|
| 415 |
|
| 416 |
}
|
| 417 |
|
| 418 |
return $output;
|
| 419 |
|
| 420 |
}
|
| 421 |
|
| 422 |
|
| 423 |
/**
|
| 424 |
* Rewrite of node_page() allowing for arguments from places other than the url
|
| 425 |
*
|
| 426 |
* Should be able to be used as a complete drop-in replacement for node_page()
|
| 427 |
*
|
| 428 |
* @todo
|
| 429 |
* submit patch
|
| 430 |
*/
|
| 431 |
|
| 432 |
/*
|
| 433 |
function taxonomynode_page($arg1 = NULL, $arg2 = NULL) {
|
| 434 |
if(is_null($arg1)){
|
| 435 |
$arg1 = arg(1);
|
| 436 |
}
|
| 437 |
if(is_null($arg2)){
|
| 438 |
$arg2 = arg(2);
|
| 439 |
}
|
| 440 |
|
| 441 |
$op = $arg1;
|
| 442 |
|
| 443 |
if (is_numeric($op)) {
|
| 444 |
$op = ($arg2 && !is_numeric($arg2)) ? $arg2 : 'view';
|
| 445 |
}
|
| 446 |
|
| 447 |
switch ($op) {
|
| 448 |
case 'view':
|
| 449 |
if (is_numeric($arg1)) {
|
| 450 |
$node = node_load($arg1);
|
| 451 |
if ($node->nid) {
|
| 452 |
drupal_set_title(check_plain($node->title));
|
| 453 |
return node_show($node, $arg2);
|
| 454 |
}
|
| 455 |
else if (db_result(db_query('SELECT nid FROM {node} WHERE nid = %d', $arg1))) {
|
| 456 |
drupal_access_denied();
|
| 457 |
}
|
| 458 |
else {
|
| 459 |
drupal_not_found();
|
| 460 |
}
|
| 461 |
}
|
| 462 |
break;
|
| 463 |
case 'add':
|
| 464 |
return node_add($arg2);
|
| 465 |
break;
|
| 466 |
case 'edit':
|
| 467 |
if ($_POST['op'] == t('Delete')) {
|
| 468 |
// Note: we redirect from node/uid/edit to node/uid/delete to make the tabs disappear.
|
| 469 |
if ($_REQUEST['destination']) {
|
| 470 |
$destination = drupal_get_destination();
|
| 471 |
unset($_REQUEST['destination']);
|
| 472 |
}
|
| 473 |
drupal_goto('node/'. $arg1 .'/delete', $destination);
|
| 474 |
}
|
| 475 |
|
| 476 |
if (is_numeric($arg1)) {
|
| 477 |
$node = node_load($arg1);
|
| 478 |
if ($node->nid) {
|
| 479 |
drupal_set_title(check_plain($node->title));
|
| 480 |
return node_form($node);
|
| 481 |
}
|
| 482 |
else if (db_result(db_query('SELECT nid FROM {node} WHERE nid = %d', $arg1))) {
|
| 483 |
drupal_access_denied();
|
| 484 |
}
|
| 485 |
else {
|
| 486 |
drupal_not_found();
|
| 487 |
}
|
| 488 |
}
|
| 489 |
break;
|
| 490 |
default:
|
| 491 |
drupal_set_title('');
|
| 492 |
return node_page_default();
|
| 493 |
}
|
| 494 |
}
|
| 495 |
*/
|
| 496 |
|
| 497 |
/**
|
| 498 |
* Callback for autocompletion
|
| 499 |
*/
|
| 500 |
function taxonomynode_autocomplete($vids, $string = '') {
|
| 501 |
//$vids = explode(",", $vids);
|
| 502 |
|
| 503 |
// The user enters a comma-separated list of tags. We only autocomplete the last tag.
|
| 504 |
// This regexp allows the following types of user input:
|
| 505 |
// this, "somecmpany, llc", "and ""this"" w,o.rks", foo bar
|
| 506 |
$regexp = '%(?:^|,\ *)("(?>[^"]*)(?>""[^"]* )*"|(?: [^",]*))%x';
|
| 507 |
preg_match_all($regexp, $string, $matches);
|
| 508 |
$array = $matches[1];
|
| 509 |
|
| 510 |
// Fetch last tag
|
| 511 |
$last_string = trim(array_pop($array));
|
| 512 |
if ($last_string != '') {
|
| 513 |
$result = db_query_range("SELECT name FROM {term_data} WHERE vid IN (%s) AND LOWER(name) LIKE LOWER('%%%s%%')", $vids, $last_string, 0, 10);
|
| 514 |
|
| 515 |
$prefix = count($array) ? implode(', ', $array) .', ' : '';
|
| 516 |
|
| 517 |
$matches = array();
|
| 518 |
while ($tag = db_fetch_object($result)) {
|
| 519 |
$n = $tag->name;
|
| 520 |
// Commas and quotes in terms are special cases, so encode 'em.
|
| 521 |
if (preg_match('/,/', $tag->name) || preg_match('/"/', $tag->name)) {
|
| 522 |
$n = '"'. preg_replace('/"/', '""', $tag->name) .'"';
|
| 523 |
}
|
| 524 |
$matches[$prefix . $n] = check_plain($tag->name);
|
| 525 |
}
|
| 526 |
print drupal_to_js($matches);
|
| 527 |
exit();
|
| 528 |
}
|
| 529 |
}
|
| 530 |
|
| 531 |
/**
|
| 532 |
* Return an array of all of the possible paths to get to a term
|
| 533 |
*
|
| 534 |
* @param unknown_type $tid
|
| 535 |
* @return unknown
|
| 536 |
*/
|
| 537 |
function taxonomynode_brain_teaser($tid){
|
| 538 |
$result = db_query(db_rewrite_sql('SELECT t.tid FROM {term_data} t INNER JOIN {term_hierarchy} h ON h.parent = t.tid WHERE h.tid = %d ORDER BY weight, name', 't', 'tid'), $tid);
|
| 539 |
while($r = db_fetch_object($result)){
|
| 540 |
$parents[$r->tid] = taxonomynode_brain_teaser($r->tid);
|
| 541 |
}
|
| 542 |
if(!empty($parents)){
|
| 543 |
$return = $parents;
|
| 544 |
}
|
| 545 |
else {
|
| 546 |
$return = $tid;
|
| 547 |
}
|
| 548 |
return $return;
|
| 549 |
}
|
| 550 |
|
| 551 |
function taxonomynode_brain_teaser_flat($tid, $parents = array()){
|
| 552 |
$array = taxonomynode_brain_teaser($tid);
|
| 553 |
return taxonomynode_brain_teaser_array_flatten($array);
|
| 554 |
}
|
| 555 |
|
| 556 |
function taxonomynode_brain_teaser_array_flatten($array){
|
| 557 |
static $paths = array();
|
| 558 |
$parents = array();
|
| 559 |
if(is_array($array)){
|
| 560 |
foreach($array as $key => $value){
|
| 561 |
if(is_array($value)){
|
| 562 |
$parents[] = $key;
|
| 563 |
$parents[] = array_merge(array($key), taxonomynode_brain_teaser_array_flatten($value));
|
| 564 |
}
|
| 565 |
else {
|
| 566 |
print_r($array);
|
| 567 |
print "<br /><br />";
|
| 568 |
}
|
| 569 |
}
|
| 570 |
}
|
| 571 |
return $parents;
|
| 572 |
}
|
| 573 |
|
| 574 |
|
| 575 |
function taxonomynode_get_parents_all($tid) {
|
| 576 |
$parents = array();
|
| 577 |
if ($tid) {
|
| 578 |
$parents[] = taxonomy_get_term($tid);
|
| 579 |
$n = 0;
|
| 580 |
while ($parent = taxonomy_get_parents($parents[$n]->tid)) {
|
| 581 |
$parents = array_merge($parents, $parent);
|
| 582 |
$n++;
|
| 583 |
}
|
| 584 |
}
|
| 585 |
return $parents;
|
| 586 |
}
|
| 587 |
|
| 588 |
|
| 589 |
function taxonomynode_evaluate_textfield($value){
|
| 590 |
// if first character is a number, assume that it's already converted
|
| 591 |
if(is_numeric($value{0})){
|
| 592 |
$return = $value;
|
| 593 |
}
|
| 594 |
else {
|
| 595 |
// allow for comma delimited terms, but list these as +
|
| 596 |
$values = explode(',', $value);
|
| 597 |
foreach($values as $value){
|
| 598 |
$value = trim($value);
|
| 599 |
$term = array_shift(taxonomy_get_term_by_name($value));
|
| 600 |
$tids[] = $term->tid;
|
| 601 |
}
|
| 602 |
// stick multiple categories together with "+"
|
| 603 |
// sort of counter-intuitive, but the + is going to be more common
|
| 604 |
$return = implode('+', $tids);
|
| 605 |
}
|
| 606 |
return $return;
|
| 607 |
}
|
| 608 |
|
| 609 |
function taxonomynode_redirect($nid){
|
| 610 |
$node = node_load($nid);
|
| 611 |
drupal_goto('taxonomy/term/'. $node->taxonomy_node);
|
| 612 |
}
|
| 613 |
|
| 614 |
function taxonomynode_term_redirect($nid, $op = FALSE){
|
| 615 |
drupal_goto('node/'. $nid . ($op ? '/'. $op : ''));
|
| 616 |
}
|
| 617 |
|
| 618 |
//not used?
|
| 619 |
function taxonomynode_find_nid($args){
|
| 620 |
return db_result(db_query('SELECT nid FROM {taxonomy_node} WHERE args = "%s"', $args));
|
| 621 |
}
|
| 622 |
|
| 623 |
/**
|
| 624 |
* Theme function for the taxonomy listing output with node-based intro
|
| 625 |
*
|
| 626 |
* @param $node
|
| 627 |
* the node object
|
| 628 |
*
|
| 629 |
* @param $taxonomy_output
|
| 630 |
* the rendered (paged) taxonomy listing - output from taxonomy_term_page()
|
| 631 |
*
|
| 632 |
* @return
|
| 633 |
* html
|
| 634 |
*/
|
| 635 |
function theme_taxonomynode_output($node, $taxonomy_output){
|
| 636 |
theme('add_style', drupal_get_path('module', 'taxonomynode') .'/taxonomynode.css');
|
| 637 |
drupal_set_title($node->title);
|
| 638 |
$output = '<div class="taxonomy-description"><div class="inner-fix">'. node_view($node, FALSE, TRUE) .'</div></div>';
|
| 639 |
$output .= $taxonomy_output;
|
| 640 |
return $output;
|
| 641 |
}
|
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