filefield_sources_plupload.module in FileField Sources Plupload 7
A File field extension to allow multi uploads using Plupload.
File
filefield_sources_plupload.moduleView source
<?php
/**
* @file
* A File field extension to allow multi uploads using Plupload.
*
*/
/**
* Implements hook_filefield_sources_info().
*/
function filefield_sources_plupload_filefield_sources_info() {
$source = array();
$source['plupload'] = array(
'name' => t('Advanced upload widget (Plupload)'),
'label' => t('Advanced upload'),
'description' => t('Upload using enhanced file selection.'),
'process' => 'filefield_sources_plupload_source_process',
);
return $source;
}
/**
* A #process callback to extend the filefield_widget element type.
*
*/
function filefield_sources_plupload_source_process($element, $form_state, $form) {
$field = field_widget_field($element, $form_state);
$instance = field_widget_instance($element, $form_state);
// Get the upload size. Use PHP limit if not defined. This can be specified
// larger than PHP limit, since Plupload transfers using 1mb chunks.
$max_filesize = !empty($instance['settings']['max_filesize']) ? parse_size($instance['settings']['max_filesize']) : parse_size(file_upload_max_size());
$element['filefield_plupload'] = array(
'#weight' => 100.5,
// Required for proper theming.
'#filefield_source' => TRUE,
'#prefix' => '<div class="filefield-source filefield-source-plupload clearfix">',
'#suffix' => '</div>',
);
$element['filefield_plupload']['pud'] = array(
'#type' => 'plupload',
'#title' => t('Select one or more files to upload'),
// Even though filefield does validation on submit, this is required for
// client side validation as well as proper file munging during upload.
'#upload_validators' => $element['#upload_validators'],
'#plupload_settings' => array(
'cardinality' => $field['cardinality'],
'max_file_size' => $max_filesize,
'chunk_size' => '1mb',
'runtimes' => 'html5,flash,silverlight,html4',
),
// We need our own value callback as we need access to $form_state.
'#value_callback' => 'filefield_sources_plupload_element_value',
'#process' => array(
'filefield_sources_plupload_element_process',
),
);
if ($field['cardinality'] == 1) {
$element['filefield_plupload']['pud']['#plupload_settings'] += array(
'multi_selection' => FALSE,
'multiple_queues' => FALSE,
);
$element['filefield_plupload']['pud']['#title'] = t("Select one file to upload");
}
elseif ($field['cardinality'] != -1) {
$element['filefield_plupload']['pud']['#title'] = t("Select up to @cardinality files to upload", array(
'@cardinality' => $field['cardinality'],
));
}
$element['filefield_plupload']['upload_button'] = array(
'#name' => implode('_', $element['#array_parents']) . '_transfer',
'#type' => 'submit',
'#value' => t('Start upload'),
'#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['#id'] . '-ajax-wrapper',
'method' => 'replace',
'effect' => 'fade',
'event' => 'pud_update',
),
);
return $element;
}
/**
* Replace Plupload Integration's javascript with our own.
*
*/
function filefield_sources_plupload_element_process($element) {
$module_path = drupal_get_path('module', 'filefield_sources_plupload');
$element['#attached']['js'] = array(
$module_path . '/js/plupload.js',
);
return $element;
}
/**
* Our value handler not only sets the Plupload fields values, but also adds the
* files to the filefiels values.
*
*/
function filefield_sources_plupload_element_value($element, $input = FALSE, &$form_state = NULL) {
if (isset($input) && $input === FALSE) {
return array();
}
// We rely on Plupload Integration module to handle the actual field values.
$pud_value = plupload_element_value($element, $input, $form_state);
if (empty($pud_value)) {
return array();
}
$field_parents = array_slice($element['#array_parents'], 0, -3);
$field_element = drupal_array_get_nested_value($form_state['complete form'], $field_parents);
$field_name = $field_element['#field_name'];
$langcode = $field_element['#language'];
$upload_delta = isset($field_element['#file_upload_delta']) ? $field_element['#file_upload_delta'] : 0;
$upload_location = isset($field_element[$upload_delta]['#upload_location']) ? $field_element[$upload_delta]['#upload_location'] : file_default_scheme() . '://';
$upload_validators = isset($field_element[$upload_delta]['#upload_validators']) ? $field_element[$upload_delta]['#upload_validators'] : array();
// A URI may already have a trailing slash or look like "public://".
if (drupal_substr($upload_location, -1) != '/') {
$upload_location .= '/';
}
if (!file_prepare_directory($upload_location, FILE_CREATE_DIRECTORY)) {
watchdog('file', 'The upload directory %directory for the file field !name could not be created or is not accessible. A newly uploaded file could not be saved in this directory as a consequence, and the upload was canceled.', array(
'%directory' => $upload_location,
'!name' => $field_name,
));
form_set_error($field_name, t('The file could not be uploaded.'));
return FALSE;
}
// Validate, clean up and move the files into it's destination, then register
// as managed files (status = 0 until entity is saved).
$saved_files = array();
foreach ($pud_value as $uploaded_file) {
if ($uploaded_file['status'] == 'done') {
$source = $uploaded_file['tmppath'];
$extensions = $upload_validators['file_validate_extensions'][0];
// Transliterate, munge and validate file name.
$filename = filefield_sources_clean_filename($uploaded_file['name'], $extensions);
// Move the file to a temporary destination using final base file name.
$temp_destination = file_stream_wrapper_uri_normalize('temporary://' . $filename);
$temp_filepath = file_unmanaged_move($source, $temp_destination, FILE_EXISTS_REPLACE);
// Save the files to their final destination.
if ($file = filefield_sources_save_file($temp_filepath, $upload_validators, $upload_location)) {
file_unmanaged_delete($temp_filepath);
$saved_files[] = $file;
}
}
else {
form_set_error('pud', t('Upload of %name failed.', array(
'%name' => $uploaded_file['name'],
)));
}
}
// Get exisitng file values.
// File Field items are stored in the field state starting from Drupal 7.9.
$field_state = field_form_get_state($field_element['#field_parents'], $field_name, $langcode, $form_state);
if (isset($field_state['items'])) {
$field_values = $field_state['items'];
}
else {
$field_values = drupal_array_get_nested_value($form_state['values'], $field_parents);
}
// Update field values with new files.
foreach ($saved_files as $saved_file) {
$field_values[$upload_delta] = (array) $saved_file;
$field_values[$upload_delta]['_weight'] = $upload_delta;
$upload_delta++;
}
// Update form_state values.
drupal_array_set_nested_value($form_state['values'], $field_parents, $field_values);
// Update items.
$field_state['items'] = $field_values;
field_form_set_state($field_element['#field_parents'], $field_name, $langcode, $form_state, $field_state);
return $pud_value;
}
Functions
Name![]() |
Description |
---|---|
filefield_sources_plupload_element_process | Replace Plupload Integration's javascript with our own. |
filefield_sources_plupload_element_value | Our value handler not only sets the Plupload fields values, but also adds the files to the filefiels values. |
filefield_sources_plupload_filefield_sources_info | Implements hook_filefield_sources_info(). |
filefield_sources_plupload_source_process | A #process callback to extend the filefield_widget element type. |