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<?php
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// $Id: directory.module,v 1.1 2009/02/09 07:43:05 fgm Exp $
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/**
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* @file
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* A mini demo directory module. For an actual directory module:
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* @link http://drupal.org/project/directory @endlink
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*
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* @copyright (c) 2009 Ouest Systèmes Informatiques (OSInet)
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* @author Frédéric G. MARAND
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* @license General Public License version 2 and later
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*/
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/**
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* Implement the former hook_settings(), build section.
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*
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* @return array
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*/
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function _directory_admin_build()
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{
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$form = array();
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$arVoc = array();
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foreach (taxonomy_get_vocabularies() as $voc)
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{
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$arVoc[$voc->vid] = $voc->name;
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}
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$form['directory-vid'] = array
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(
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'#title' => t('Vocabulary'),
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'#type' => 'select',
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'#default_value' => variable_get('directory-vid', 0),
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'#options' => $arVoc,
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);
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$arTypes = array();
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foreach (node_get_types('types') as $typeType => $type)
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{
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$arTypes[$typeType] = $type->name;
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}
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$form['directory-types'] = array
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(
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'#title' => t('Node types allowed in directory'),
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'#type' => 'select',
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'#default_value' => variable_get('directory-types', array()),
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'#options' => $arTypes,
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'#multiple' => TRUE,
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);
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return system_settings_form($form);
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}
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/**
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* Implement hook_menu().
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*
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* @return array
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*/
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function directory_menu()
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{
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$items['directory'] = array
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(
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'title' => 'Directory',
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'page callback' => '_directory_page',
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'access arguments' => array('access content'),
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);
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$items['admin/build/directory'] = array
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(
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'title' => 'Directory',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('_directory_admin_build'),
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'access arguments' => array('administer site configuration'),
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);
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return $items;
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}
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/**
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* Implement hook_theme().
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*
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* @return array
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*/
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function directory_theme()
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{
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$ret = array
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(
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'directory_parents' => array
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(
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'arguments' => array('parents' => array(), 'term' => new stdClass()),
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'template' => 'directory_parents',
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),
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'directory_children' => array
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(
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'arguments' => array('children' => array()),
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'template' => 'directory_children',
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),
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'directory_nodes' => array
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(
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'arguments' => array('nodes' => array()),
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'template' => 'directory_nodes',
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),
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);
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return $ret;
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}
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/**
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* Obtain a simplified term hierarchy for a valid tid
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*
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* @param integer $tid
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* @return array
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*/
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function _directory_get_terms($tid = 0)
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{
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$ret = array();
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$term = taxonomy_get_term($tid);
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$ret['current'] = $term ? $term : 0;
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$arParents = array();
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$loopTid = $tid;
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while ($parent = reset(taxonomy_get_parents($loopTid)))
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{
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array_unshift($arParents, l($parent->name, 'directory/' . $parent->tid));
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$loopTid = $parent->tid;
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}
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$ret['parents'] = $arParents;
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$arChildren1 = taxonomy_get_children($tid, variable_get('directory-vid', 0));
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$arChildren2 = array();
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foreach ($arChildren1 as $childTid => $childTerm)
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{
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$arChildren2[] = t('!link: @description',
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array
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(
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'!link' => l($childTerm->name, 'directory/' . $childTerm->tid),
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'@description' => $childTerm->description,
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)
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);
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}
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$ret['children'] = $arChildren2;
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return $ret;
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}
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/**
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* Obtain the list of nodes bound to a valid tid
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*
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* @param integer $tid
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* @return array
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*/
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function _directory_get_nodes($tid = 0)
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{
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$arTypes = variable_get('directory-types', array());
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$arParams = $arTypes;
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array_unshift($arParams, $tid);
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$sq = 'SELECT n.nid, n.title '
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. 'FROM {node} n '
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. ' INNER JOIN {term_node} tn ON n.nid = tn.nid AND n.vid = tn.vid '
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. 'WHERE n.status = 1 AND tn.tid = %d '
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. ' AND n.type IN (' . db_placeholders($arTypes, 'varchar') . ') '
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. 'ORDER BY n.title ASC ';
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$sq = db_rewrite_sql($sq);
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$q = db_query($sq, $arParams);
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$arNodes = array();
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while (is_object($o = db_fetch_object($q)))
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{
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$arNodes[] = l($o->title . " ($o->nid)", 'node/' . $o->nid);
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}
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return $arNodes;
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}
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/**
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* Sample directory page
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*
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* @param integer $tid
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* @return string
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*/
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function _directory_page($tid = 0)
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{
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$arTerms = _directory_get_terms($tid);
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$term = $arTerms['current'];
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$ret = theme('directory_parents', $arTerms['parents'], $term)
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. theme('directory_children', $arTerms['children'])
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. theme('directory_nodes', _directory_get_nodes($tid));
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return $ret;
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}
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