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<?php
// $Id$
/**
* @file
* Builds placeholder replacement tokens for uploaded files attached to nodes.
*/
/**
* Implement hook_token_info().
*/
function upload_token_info() {
$results['tokens']['node'] = array(
'upload' => array(
'name' => t('File attachment'),
'description' => t('The first file attached to a node, if one exists.'),
'type' => 'file',
)
);
return $results;
}
/**
* Implement hook_tokens().
*/
function upload_tokens($type, $tokens, array $data = array(), array $options = array()) {
$replacements = array();
if ($type == 'node' && !empty($data['node'])) {
$node = $data['node'];
foreach ($tokens as $name => $original) {
if ($name == 'upload') {
$upload = array_shift($node->files);
$replacements[$original] = file_create_url($upload->filepath);
}
}
if (($upload_tokens = token_find_with_prefix($tokens, 'upload')) && !empty($node->files) && $upload = array_shift($node->files)) {
$replacements += token_generate('file', $upload_tokens, array('file' => $upload), $options);
}
}
return $replacements;
}
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