Allows audio files to be attached to any content type. You can configure which content types by going to admin/content/types.');
break;
}
}
/**
* Implementation of hook_menu
*/
function audio_attach_menu($may_cache) {
$items = array();
if ($may_cache) {
}
elseif (arg(0) == 'audio_attach' && is_numeric(arg(2))) {
$node = node_load(arg(2));
// audio_attach/[op]/[node_id]/[audio_id]/[weight]
$items[] = array(
'path' => 'audio_attach',
'callback' => 'audio_attach_action',
'callback_arguments' => array(arg(1), arg(2), arg(3), arg(4)),
'access' => node_access('update', $node),
'type' => MENU_CALLBACK,
);
}
return $items;
}
/**
* implementation of hook_form_alter()
*/
function audio_attach_form_alter($form_id, &$form) {
switch ($form_id) {
// checkbox in the node's content type configuration page.
case 'node_type_form':
if(isset($form['identity']['type'])) {
$form['workflow']['audio_attach'] = array(
'#type' => 'radios',
'#title' => t('Attach audio files'),
'#default_value' => variable_get('audio_attach_'. $form['#node_type']->type, 0),
'#options' => array(t('Disabled'), t('Enabled')),
'#description' => t('Should this node allows users to attach audio files?')
);
}
break;
// if enabled adjust the form
case $form['type']['#value'] . '_node_form':
if (variable_get('audio_attach_' . $form['type']['#value'], 0)) {
$node = $form['#node'];
$form['#attributes'] = array("enctype" => "multipart/form-data");
$form['audio_attach'] = array('#type' => 'fieldset', '#title' => t('Attached audio files'), '#collapsible' => TRUE);
$form['audio_attach']['existing_files']= _audio_existing_file_form();
if (is_array($node->audio_attach)) {
foreach($node->audio_attach as $weight => $aid) {
$items[] = theme('audio_attach_list_item', $node->nid, $weight, $aid);
}
$form['audio_attach']['audio_list'] = array(
'#type' => 'item',
'#value' => theme('audio_attach_sortable_list', $items, null, 'ul', array('id' => 'audio-attach-sortable-list'))
);
}
if ($node->audio_aid) {
$form['audio_attach']['audio_aid'] = array('#type' => 'hidden', '#value' => $node->audio_aid);
}
$form['audio_attach']['audio_upload'] = array(
'#type' => 'file',
'#title' => t('Add a new audio file'),
'#description' => t('Click "Browse..." to select an audio file to upload. NOTE: the current PHP configuration limits uploads to %maxsize. ', array('%maxsize' => format_size(file_upload_max_size()))),
);
$form['audio_attach']['audio_title'] = array(
'#type' => 'textfield',
'#title' => t('Title'),
'#default_value' => variable_get('audio_default_title_format', '!title by !artist')
);
$form['audio_attach']['audio_publish'] = array(
'#type' => 'checkbox',
'#title' => t('Published'),
'#return_value' => 1,
'#default_value' => 1,
'#description' => t('If checked, this audio file will be published to the rest of the site.')
);
$form['#after_build'] = array('_audio_attach_skip_validation');
}
break;
}
}
function _audio_attach_skip_validation($form, $edit) {
if ($_POST['op'] == t('Search for audio')) {
_product_skip_validation($form);
}
return $form;
}
function _audio_skip_validation(&$element) {
foreach (element_children($element) as $key) {
if (isset($element[$key]) && $element[$key]) {
_product_skip_validation($element[$key]);
}
}
$element['#validated'] = TRUE;
}
function _audio_existing_file_form(){
$settings = audio_get_tag_settings();
$form = array('#tree' => TRUE);
foreach ($settings as $tag => $setting) {
$form[$tag]['check'] ['#theme'] = 'audio_horizontal_checkbox';
$form[$tag]['check'] = array(
'#title' => $tag,
'#type' => 'checkbox',
'#default_value' => 1,
'#theme' => 'audio_horizontal_checkbox',
);
}
$form["text"] = array(
'#type' => 'textfield',
'#title' => t('Text to search')
);
$form['search']= array('#type' => 'button','#value' => t('Search for audio'));
return $form;
}
function theme_audio_horizontal_checkbox($e) {
$checkbox = '';
$checkbox .= '';
if (!is_null($e['#title'])) {
$checkbox .= '';
}
$checkbox .= "\n";
unset($e['#title']);
return $checkbox;
}
/**
* Implementation of hook_nodeapi().
*/
function audio_attach_nodeapi(&$node, $op, $teaser, $page) {
global $user;
// delete all references from other nodes if audio node is deleted 24/08/2006 sun
if ($node->type == 'audio' && $op == 'delete'){
db_query("DELETE FROM {audio_attach} WHERE aid = %d", $node->nid);
return;
}
if ($node->type == 'audio' || !variable_get("audio_attach_$node->type", 0)){
return;
}
switch ($op) {
case 'prepare':
$audio->title_format = $_POST['edit']['audio_title'];
$audio->status = $_POST['edit']['audio_publish'] ? 1 : 0;
$audio->uid = $user->uid;
$audio->name = $user->name;
$audio->type = 'audio';
audio_prepare($audio);
if ($audio->audio_file) {
node_validate($audio);
if (!form_get_errors()) {
$audio = node_submit($audio);
node_save($audio);
$node->audio_aid = $audio->nid;
}
}
break;
case 'insert':
case 'update':
if ($node->audio_aid) {
audio_attach_add_child($node->nid, $node->audio_aid);
}
break;
case 'delete':
audio_attach_remove($node->nid);
break;
case 'load':
$audio_attach = audio_attach_get_children($node->nid);
return array('audio_attach' => $audio_attach);
case 'view':
if (is_array($node->audio_attach) && count($node->audio_attach) > 0) {
$node->content['attach_audio'] = array(
'#value' => theme('audio_attach_list', $node->audio_attach, $teaser),
'#weight' => 10,
);
}
break;
}
}
/**
* Menu callback, perform an action on attachments
*/
function audio_attach_action($op, $nid = null, $aid = null, $weight = null) {
switch($op) {
case 'add':
audio_attach_add_child($nid, $aid);
break;
case 'load':
return audio_attach_get_children($nid);
case 'remove':
audio_attach_remove_child($aid, $nid, $weight);
drupal_goto();
break;
case 'save_order':
_audio_attach_save_order($nid);
break;
}
}
/**
* Theme used if multiple files are attached
*/
function theme_audio_attach_list($nids, $teaser = FALSE) {
drupal_add_css(drupal_get_path('module', 'audio_attach') .'/audio_attach.css');
foreach ($nids as $aid) {
$audio = node_load($aid);
$audio = node_prepare($audio, $teaser);
$title = $audio->status ? l($audio->title, 'node/' . $audio->nid, NULL, NULL, NULL, TRUE) : check_plain($audio->title);
$items[] = '
'. $title .'
'. theme('audio_teaser', $audio);
}
return theme('item_list', $items, null, 'ol', array('class' => 'audio-attach-list'));
}
/******* These functions are mostly copied from the original playlist.module. **************/
/**
* Input a parent node id, and return an array of children id's ordered by their weight.
**/
function audio_attach_get_children($nid) {
$children = array();
$result = db_query("SELECT aid, weight FROM {audio_attach} WHERE nid = %d ORDER BY weight ASC", $nid);
while($row = db_fetch_object($result)) {
$children[$row->weight] = $row->aid;
}
return $children;
}
/**
* Swaps the weights of two children in a given playlist. Returns true if successful.
*/
function audio_attach_swap_weight($nid, $aid_1, $aid_2) {
$weight_1 = audio_attach_get_weight($nid, $aid_1);
$weight_2 = audio_attach_get_weight($nid, $aid_2);
if(($weight1 > -1) && ($weight2 > -1)) {
audio_attach_set_weight($nid, $aid_1, $weight_2);
audio_attach_set_weight($nid, $aid_2, $weight_1);
return 1;
}
else {
return 0;
}
}
/**
* Set weight of an audio file directly.
**/
function audio_attach_set_weight($nid, $aid, $weight) {
$result = db_query("UPDATE {audio_attach} SET weight = %d WHERE nid = %d AND aid = %d", $weight, $nid, $aid);
return db_affected_rows($result);
}
/**
* Get current weight of the audio file in the list
**/
function audio_attach_get_weight($nid, $aid) {
$weight = db_result(db_query("SELECT weight FROM {audio_attach} WHERE nid = %d AND aid = %d", $nid, $aid));
return is_null($weight) ? -1 : $weight; //we return -1 as a FAIL status code since 0 is used as a weight.
}
/**
* Get next weight in a given list.
**/
function audio_attach_get_next_weight($nid) {
$max = db_result(db_query("SELECT MAX(weight) FROM {audio_attach} WHERE nid = %d LIMIT 1", $nid));
return (is_null($max)) ? 0 : ++$max;
}
/**
* Add a new child to a parent node
*/
function audio_attach_add_child($nid, $aid, $stack_bottom = TRUE) {
$weight = audio_attach_get_next_weight($nid);
$result = db_query("INSERT INTO {audio_attach} (nid, aid, weight) VALUES (%d, %d, %d)", $nid, $aid, $weight);
}
/**
* Delete a child node from a given parent node. If no parent node is specified, it deletes the child from all parent nodes. Returns true if successful.
*/
function audio_attach_remove_child($aid, $nid, $weight) {
$result = db_query("DELETE FROM {audio_attach} WHERE nid = %d AND aid = %d AND weight = %d", $nid, $aid, $weight);
return db_affected_rows($result);
}
/**
* Delete a parent node. Returns true if successful.
*/
function audio_attach_remove($nid) {
$result = db_query("DELETE FROM {audio_attach} WHERE nid = %d", $nid);
return db_affected_rows($result);
}
/**
* Menu callback that saves the order of the audio files. Depends on javascript functions as well as list output.
* Called via AJAX
*/
function _audio_attach_save_order($nid){
$items = $_REQUEST['audio-attach-sort-list'];
foreach ($items as $aid) {
audio_attach_set_weight($nid, (int)$aid, $i++);
}
drupal_set_message("Your changes have been saved.");
print theme('status_messages');
}
/**
* Create a sortable list
*/
function theme_audio_attach_sortable_list($items = array(), $title = NULL, $type = 'ul', $attributes = NULL) {
drupal_add_css(drupal_get_path('module', 'audio_attach') .'/audio_attach.css');
//drupal_add_js(drupal_get_path('module', 'audio_attach') .'/scripts/interface.js');
//drupal_add_js(drupal_get_path('module', 'audio_attach') .'/scripts/sort.js');
$output = '';
if ( is_array($items) ){
$output .= '