view sites/all/modules/biblio_autocomplete/biblio_autocomplete.module @ 4:ce11bbd8f642

added modules

<?php

function biblio_autocomplete_menu(){
  $items=array();
  $autocompletes = module_invoke_all('biblio_autocomplete_info');
  foreach ($autocompletes as $field => $data){
  	$items['biblio_autocomplete/'.$field] = array(
  	  'title' => t('Biblio autocomplete for ').$field,
  	  'page callback' => 'biblio_autocomplete_json',
  	  'page arguments' => array($field, 2),
  	  'access callback' => TRUE,
  	  'type' => MENU_CALLBACK,
  	);
  }
  return $items;
}

function biblio_autocomplete_json($biblio_field, $string){
  $autocompletes = module_invoke_all('biblio_autocomplete_info');
  $matches = array();
  foreach ($autocompletes as $field => $data){
  	if ($field == $biblio_field){
  		if (!is_array($data['function'])){
  			$data['function'] = array($data['function']);
  		}
  	  foreach($data['function'] as $function){
  	    $matches = array_merge($matches, $function($string) );
  	  }
  	}
  }
  asort($matches);
  
  $return_matches = array();
  $i = 0;
  foreach ($matches as $key => $data){
  	if ($data['key'] != '' && $data['description'] != ''){
  	  $i++;
  	  $return_matches[$data['key']] = $data['provider'].': '.$data['description'];
  	  if ($i >= 10){
  		break;
  	  }
  	}
  }
  
  print drupal_json_output($return_matches);
}

/**
 * Implemets hook_form_alter().
 *
 * @param unknown_type $form
 * @param unknown_type $form_state
 * @param unknown_type $form_id
 */
function biblio_autocomplete_form_alter(&$form, &$form_state, $form_id){
  if ($form_id == 'biblio_node_form'){
    $autocompletes = module_invoke_all('biblio_autocomplete_info');
    foreach ($autocompletes as $field => $values){
      if (in_array($field, $form)){
      	$key = array_tree_search_key($form, $field);
      	if (!is_null($key)){
      	  array_tree_update_autocomplete($form, $key, 'biblio_autocomplete/'.$field);
      	}
      }
    }
  }
}

function array_tree_search_key($a, $subkey) {
if (is_array($a)){
   foreach (array_keys($a) as $i=>$k) {
      if ($k === $subkey) {
         return array($k);
      }
      elseif ($pos = array_tree_search_key($a[$k], $subkey)) {
         return array_merge(array($k), $pos);
      }
   }
}
}

function array_tree_update_autocomplete(&$a, $key_array, $autocomplete){
  if (count($key_array) == 0){
  	$a['#autocomplete_path'] = $autocomplete;
  } else {
  	$a_next = array_shift($key_array);
  	array_tree_update_autocomplete($a[$a_next], $key_array, $autocomplete);
  }
}