path: root/jquery_drawer.module

<?php
// $Id$

/**
 * @file
 * Implementation of a jQuery Drawer.
 *
 * This module implements the jQuery.drawer navigation menu from
 * http://lib.metatype.jp/jquery_drawer/sample.html
 */

/**
 * Implementation of hook_uninstall().
 */
function jquery_drawer_uninstall() {
  variable_del('jquery_drawer');
  variable_del('jquery_drawer_drw');
  variable_del('jquery_drawer_link');
}

/**
 * Implementation of hook_init().
 */
function jquery_drawer_init() {
  theme('jquery_drawer_css');
  theme('jquery_drawer_javascript');
}

/**
 * Implementation of hook_block().
 */
function jquery_drawer_block($op = 'list', $delta = 0, $edit = array()) {
  switch ($op) {
    case 'list':
      $blocks[0]['info']  = t('jQuery Drawer');
      $blocks[0]['cache'] = BLOCK_NO_CACHE;
      return $blocks;

    case 'configure':
      $query  = 'SELECT vid, name from {vocabulary}';
      $result = db_query(db_rewrite_sql($query));
      while ($vocabulary = db_fetch_object($result)) {
        $vocabularies[$vocabulary->vid] = $vocabulary->name;
      }
      $form['jquery_drawer'] = array(
        '#type'          => 'select',
        '#title'         => t('Select the vocabulary to list'),
        '#default_value' => variable_get('jquery_drawer', '1'),
        '#options'       => $vocabularies,
      );
      $form['jquery_drawer_drw'] = array(
        '#type'          => 'checkbox',
        '#title'         => t('Do not show drawer box.'),
        '#description'   => t('Select this option if you plan to manually provide the drawer box.'),
        '#default_value' => variable_get('jquery_drawer_drw', '0'),
      );
      $form['jquery_drawer_link'] = array(
        '#type'          => 'textfield',
        '#title'         => t('Base link path (useful for views).'),
        '#description'   => t('Set the base link for nodes listed in drawer.'),
        '#default_value' => variable_get('jquery_drawer_link', 'node'),
      );      
      return $form;

    case 'save':
      variable_set('jquery_drawer',      $edit['jquery_drawer']);
      variable_set('jquery_drawer_drw',  $edit['jquery_drawer_drw']);
      variable_set('jquery_drawer_link', $edit['jquery_drawer_link']);
      break;

    case 'view':
      // Get all terms from a given vocabulary
      $vid              = variable_get('jquery_drawer', '1');
      $menu             = taxonomy_node_tree_parents($vid);
      $block['content'] = theme('jquery_drawer', $menu);
      return $block;
  }
}

/**
 * Implementation of hook_menu().
 */
function jquery_drawer_menu() {
  $items['jquery_drawer'] = array(
    'title'            => 'jQuery Drawer',
    'description'      => 'Displays content inside a jQuery Drawer.',
    'page callback'    => 'jquery_drawer_page',
    'access arguments' => array('access content'),
    'type'             => MENU_CALLBACK,
  );
  return $items;
}

/**
 * Implementation of hook_theme().
 */
function jquery_drawer_theme() {
  return array(
      'jquery_drawer' => array(
        'arguments'   => array(
          'menu'      => NULL,
          ),
        ),
      'jquery_drawer_javascript' => array(
        'arguments'              => array(),
        ),
      'jquery_drawer_css'        => array(
        'arguments'              => array(),
        ),
      'jquery_drawer_link'       => array(
        'arguments'              => array(),
        ),
      );
}

/**
 * Drawer logic.
 *
 * @ingroup themeable
 */
function theme_jquery_drawer($menu) {

  $output  = '<ul id="drw_tabs">';
  $output .= implode((array) module_invoke_all('jquery_drawer'));
  
  if (module_exists('i18n')) {
    $menu = i18ntaxonomy_localize_terms($menu);
  }

  foreach ($menu as $item) {
    $link['title'] = $item->name;
    $link['href']  = 'jquery_drawer/'. $item->tid;
    $output       .= theme('jquery_drawer_link', $link);
  }

  $output .= '</ul>';

  if (variable_get('jquery_drawer_drw', '0') == 0) {
    $output .= '<div id="drw">';
    $output .= '</div>';
  }

  return $output;
}

/**
 * Menu callback.
 *
 * @todo Split themeable output from logic.
 */
function jquery_drawer_page($tid = NULL) {
  $output  = '';
  $nodes   = taxonomy_select_nodes(array($tid));
  $base    = variable_get('jquery_drawer_link', 'node');
  $output .= '<ul id="drw_item" class="hidden">';

  // First render all nodes whose parent is $term
  while ($node = db_fetch_object($nodes)) {
    path_nodeapi($node,'load','');
    $link['title']  = $node->title;
    $link['href']   = ($node->path?$node->path:"$base/". $node->nid);
    //$output .= print_r($node,1);
    $output        .= theme('jquery_drawer_link', $link);
  }

  // Check for child terms
  $vid   = variable_get('jquery_drawer', '1');
  $terms = taxonomy_node_tree_taxonomy_get_tree($vid, $tid);

  if (module_exists('i18n')) {
    $terms = i18ntaxonomy_localize_terms($terms);
  }

  foreach ($terms as $term) {
    $filter[] = $term->tid;
  }

  if (isset($filter) && !empty($filter)) {
    // Then render all nodes whose terms are children of $term
    $query  = 'SELECT n.nid, n.title, term_node.tid FROM {node} n LEFT JOIN
               {term_node} ON term_node.nid = n.nid WHERE term_node.tid IN (%s)
               AND n.status = "1" ORDER BY term_node.weight_in_tid ASC';
    
    $query2 = db_rewrite_sql($query);
    
    
    $nodes = db_query(db_rewrite_sql($query), implode(',', $filter));
    
    $tree  = taxonomy_node_tree_build($nodes, $terms);

    // format output
    if (is_array($tree) && $tree != NULL) {
      foreach ($tree as $term) {
        $output .= taxonomy_node_tree_list($term, 'jquery_drawer', 'hidden', $base);
      }
    }
  }

  $output .= '</ul></li>';

  // Display output
  echo($output);

  // We need to exit here to avoid themeable output
  exit();
}

/**
 * jQuery Drawer Javascript theme function.
 *
 * @ingroup themeable
 */
function theme_jquery_drawer_javascript() {
  drupal_add_js(drupal_get_path('module', 'jquery_drawer') .'/jquery_drawer/drw/scripts.js');
}

/**
 * jQuery Drawer CSS theme function.
 *
 * @ingroup themeable
 */
function theme_jquery_drawer_css() {
  drupal_add_css(drupal_get_path('module', 'jquery_drawer') .'/jquery_drawer/drw/styles.css');
  drupal_add_css(drupal_get_path('module', 'jquery_drawer') .'/jquery_drawer.css');
}

/**
 * jQuery Drawer Link theme function.
 *
 * @ingroup themeable
 */
function theme_jquery_drawer_link($link) {
  if (empty($link['localized_options'])) {
    $link['localized_options'] = array();
  }

  $link['attributes']['rel'] = 'drw';

  $output  = '<li class="drw_li">';
  $output .= l($link['title'], $link['href'], array('attributes' => array('rel' => 'drw')));
  $output .= '</li>';

  return $output;
}