t('File attach from server directory'),
'label' => t('File attach'),
'description' => t('Select a file from a directory on the server.'),
'process' => 'filefield_source_attach_process',
'value' => 'filefield_source_attach_value',
'weight' => 3,
'file' => 'sources/attach.inc',
);
return $source;
}
/**
* Implements hook_theme().
*/
function filefield_source_attach_theme() {
return array(
'filefield_source_attach_element' => array(
'render element' => 'element',
'file' => 'sources/attach.inc',
),
);
}
/**
* Implements hook_filefield_source_settings().
*/
function filefield_source_attach_settings($op, $instance) {
$return = array();
if ($op == 'form') {
$settings = $instance['widget']['settings']['filefield_sources'];
$return['source_attach'] = array(
'#title' => t('File attach settings'),
'#type' => 'fieldset',
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#description' => t('File attach allows for selecting a file from a directory on the server, commonly used in combination with FTP.') . ' ' . t('This file source will ignore file size checking when used.') . '',
'#element_validate' => array('_filefield_source_attach_file_path_validate'),
'#weight' => 3,
);
$return['source_attach']['path'] = array(
'#type' => 'textfield',
'#title' => t('File attach path'),
'#default_value' => $settings['source_attach']['path'],
'#size' => 60,
'#maxlength' => 128,
'#description' => t('The directory within the File attach location that will contain attachable files.'),
);
if (module_exists('token')) {
$return['source_attach']['tokens'] = array(
'#theme' => 'token_tree',
'#token_types' => array('user'),
);
}
$return['source_attach']['absolute'] = array(
'#type' => 'radios',
'#title' => t('File attach location'),
'#options' => array(
0 => t('Within the files directory'),
1 => t('Absolute server path'),
),
'#default_value' => $settings['source_attach']['absolute'],
'#description' => t('The File attach path may be with the files directory (%file_directory) or from the root of your server. If an absolute path is used and it does not start with a "/" your path will be relative to your site directory: %realpath.', array('%file_directory' => drupal_realpath(file_default_scheme() . '://'), '%realpath' => realpath('./'))),
);
$return['source_attach']['attach_mode'] = array(
'#type' => 'radios',
'#title' => t('Attach method'),
'#options' => array(
'move' => t('Move the file directly to the final location'),
'copy' => t('Leave a copy of the file in the attach directory'),
),
'#default_value' => isset($settings['source_attach']['attach_mode']) ? $settings['source_attach']['attach_mode'] : 'move',
);
}
elseif ($op == 'save') {
$return['source_attach']['path'] = 'file_attach';
$return['source_attach']['absolute'] = 0;
$return['source_attach']['attach_mode'] = 'move';
}
return $return;
}
function _filefield_source_attach_file_path_validate($element, &$form_state) {
// Only validate if this source is enabled.
if (!$form_state['values']['instance']['widget']['settings']['filefield_sources']['filefield_sources']['attach']) {
return;
}
// Strip slashes from the end of the file path.
$filepath = rtrim($element['path']['#value'], '\\/');
form_set_value($element['path'], $filepath, $form_state);
$filepath = _filefield_source_attach_directory($form_state['values']['instance']);
// Check that the directory exists and is writable.
if (!file_prepare_directory($filepath, FILE_CREATE_DIRECTORY)) {
form_error($element['path'], t('Specified file attach path %path must exist or be writable.', array('%path' => $filepath)));
}
}
/**
* A #process callback to extend the filefield_widget element type.
*/
function filefield_source_attach_process($element, &$form_state, $form) {
$instance = field_widget_instance($element, $form_state);
$settings = $instance['widget']['settings']['filefield_sources']['source_attach'];
$element['filefield_attach'] = array(
'#weight' => 100.5,
'#theme' => 'filefield_source_attach_element',
'#filefield_source' => TRUE, // Required for proper theming.
);
$path = _filefield_source_attach_directory($instance);
$options = _filefield_source_attach_options($path, $instance['settings']['file_extensions']);
// If we have built this element before, append the list of options that we
// had previously. This allows files to be deleted after copying them and
// still be considered a valid option during the validation and submit.
if (!isset($form_state['triggering_element']) && isset($form_state['filefield_sources'][$instance['field_name']]['attach_options'])) {
$options = $options + $form_state['filefield_sources'][$instance['field_name']]['attach_options'];
}
// On initial form build and rebuilds after processing input, save the
// original list of options so they can be restored in the line above.
else {
$form_state['filefield_sources'][$instance['field_name']]['attach_options'] = $options;
}
$description = t('This method may be used to attach files that exceed the file size limit. Files may be attached from the %directory directory on the server, usually uploaded through FTP.', array('%directory' => drupal_realpath($path)));
// Error messages.
if ($options === FALSE || empty($settings['path'])) {
$attach_message = t('A file attach directory could not be located.');
$attach_description = t('Please check your settings for the %field field.', array('%field' => $instance['label']));
}
elseif (!count($options)) {
$attach_message = t('There currently are no files to attach.');
$attach_description = $description;
}
if (isset($attach_message)) {
$element['filefield_attach']['attach_message'] = array(
'#markup' => $attach_message,
);
$element['filefield_attach']['#description'] = $attach_description;
}
else {
$validators = $element['#upload_validators'];
if (isset($validators['file_validate_size'])) {
unset($validators['file_validate_size']);
}
$description .= ' ' . filefield_sources_element_validation_help($validators);
$element['filefield_attach']['filename'] = array(
'#type' => 'select',
'#options' => $options,
);
$element['filefield_attach']['#description'] = $description;
}
$element['filefield_attach']['attach'] = array(
'#name' => implode('_', $element['#array_parents']) . '_attach',
'#type' => 'submit',
'#value' => t('Attach'),
'#validate' => array(),
'#submit' => array('filefield_sources_field_submit'),
'#limit_validation_errors' => array($element['#parents']),
'#ajax' => array(
'path' => 'file/ajax/' . implode('/', $element['#array_parents']) . '/' . $form['form_build_id']['#value'],
'wrapper' => $element['upload_button']['#ajax']['wrapper'],
'method' => 'replace',
'effect' => 'fade',
),
'#access' => !isset($attach_message),
);
return $element;
}
function _filefield_source_attach_options($path, $extensions = FALSE) {
if (!file_prepare_directory($path, FILE_CREATE_DIRECTORY)) {
drupal_set_message(t('Specified file attach path %path must exist or be writable.', array('%path' => $path)), 'error');
return FALSE;
}
$options = array();
$pattern = !empty($extensions) ? '/\.(' . strtr($extensions, ' ', '|') . ')$/' : '/.*/';
$files = file_scan_directory($path, $pattern);
if (count($files)) {
$options = array('' => t('-- Select file --'));
foreach ($files as $file) {
$options[$file->uri] = str_replace($path . '/', '', $file->uri);
}
natcasesort($options);
}
return $options;
}
/**
* A #filefield_value_callback function.
*/
function filefield_source_attach_value($element, &$item) {
if (!empty($item['filefield_attach']['filename'])) {
$instance = field_info_instance($element['#entity_type'], $element['#field_name'], $element['#bundle']);
$filepath = $item['filefield_attach']['filename'];
// Check that the destination is writable.
$directory = $element['#upload_location'];
$mode = variable_get('file_chmod_directory', 0775);
// This first chmod check is for other systems such as S3, which don't work
// with file_prepare_directory().
if (!drupal_chmod($directory, $mode) && !file_prepare_directory($directory, FILE_CREATE_DIRECTORY)) {
watchdog('file', 'File %file could not be copied, because the destination directory %destination is not configured correctly.', array('%file' => $filepath, '%destination' => drupal_realpath($directory)));
drupal_set_message(t('The specified file %file could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.', array('%file' => $filepath)), 'error');
return;
}
// Clean up the file name extensions and transliterate.
$original_filepath = $filepath;
$new_filepath = filefield_sources_clean_filename($filepath, $instance['settings']['file_extensions']);
rename($filepath, $new_filepath);
$filepath = $new_filepath;
// Run all the normal validations, minus file size restrictions.
$validators = $element['#upload_validators'];
if (isset($validators['file_validate_size'])) {
unset($validators['file_validate_size']);
}
// Save the file to the new location.
if ($file = filefield_sources_save_file($filepath, $validators, $directory)) {
$item = array_merge($item, (array) $file);
// Delete the original file if "moving" the file instead of copying.
if (drupal_realpath($filepath) !== drupal_realpath($file->uri) && $instance['widget']['settings']['filefield_sources']['source_attach']['attach_mode'] !== 'copy') {
@unlink($filepath);
}
}
// Restore the original file name if the file still exists.
if (file_exists($filepath) && $filepath != $original_filepath) {
rename($filepath, $original_filepath);
}
$item['filefield_attach']['filename'] = '';
}
}
/**
* Theme the output of the autocomplete field.
*/
function theme_filefield_source_attach_element($variables) {
$element = $variables['element'];
if (isset($element['attach_message'])) {
$output = $element['attach_message']['#markup'];
}
else {
$select = '';
$size = !empty($element['filename']['#size']) ? ' size="' . $element['filename']['#size'] . '"' : '';
_form_set_class($element['filename'], array('form-select'));
$multiple = !empty($element['#multiple']);
$output = '';
}
$output .= drupal_render($element['attach']);
$element['#children'] = $output;
return '