danielebarchiesi@0: <?php
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * @file
danielebarchiesi@0:  * Webform module file component.
danielebarchiesi@0:  */
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_defaults_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_defaults_file() {
danielebarchiesi@0:   return array(
danielebarchiesi@0:     'name' => '',
danielebarchiesi@0:     'form_key' => NULL,
danielebarchiesi@0:     'mandatory' => 0,
danielebarchiesi@0:     'pid' => 0,
danielebarchiesi@0:     'weight' => 0,
danielebarchiesi@0:     'extra' => array(
danielebarchiesi@0:       'filtering' => array(
danielebarchiesi@0:         'types' => array('gif', 'jpg', 'png'),
danielebarchiesi@0:         'addextensions' => '',
danielebarchiesi@0:         'size' => '2 MB',
danielebarchiesi@0:       ),
danielebarchiesi@0:       'scheme' => 'public',
danielebarchiesi@0:       'directory' => '',
danielebarchiesi@0:       'progress_indicator' => 'throbber',
danielebarchiesi@0:       'title_display' => 0,
danielebarchiesi@0:       'description' => '',
danielebarchiesi@0:       'attributes' => array(),
danielebarchiesi@0:       'private' => FALSE,
danielebarchiesi@0:     ),
danielebarchiesi@0:   );
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_theme_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_theme_file() {
danielebarchiesi@0:   return array(
danielebarchiesi@0:     'webform_edit_file_extensions' => array(
danielebarchiesi@0:       'render element' => 'element',
danielebarchiesi@0:       'file' => 'components/file.inc',
danielebarchiesi@0:     ),
danielebarchiesi@0:     'webform_display_file' => array(
danielebarchiesi@0:       'render element' => 'element',
danielebarchiesi@0:       'file' => 'components/file.inc',
danielebarchiesi@0:     ),
danielebarchiesi@0:   );
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_edit_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_edit_file($component) {
danielebarchiesi@0:     $form = array();
danielebarchiesi@0:     $form['#element_validate'] = array('_webform_edit_file_check_directory');
danielebarchiesi@0:     $form['#after_build'] = array('_webform_edit_file_check_directory');
danielebarchiesi@0: 
danielebarchiesi@0:     $form['validation']['size'] = array(
danielebarchiesi@0:       '#type' => 'textfield',
danielebarchiesi@0:       '#title' => t('Max upload size'),
danielebarchiesi@0:       '#default_value' => $component['extra']['filtering']['size'],
danielebarchiesi@0:       '#description' => t('Enter the max file size a user may upload such as 2 MB or 800 KB. Your server has a max upload size of @size.', array('@size' => format_size(file_upload_max_size()))),
danielebarchiesi@0:       '#size' => 10,
danielebarchiesi@0:       '#parents' => array('extra', 'filtering', 'size'),
danielebarchiesi@0:       '#element_validate' => array('_webform_edit_file_size_validate'),
danielebarchiesi@0:       '#weight' => 1,
danielebarchiesi@0:     );
danielebarchiesi@0: 
danielebarchiesi@0:     $form['validation']['extensions'] = array(
danielebarchiesi@0:       '#element_validate' => array('_webform_edit_file_extensions_validate'),
danielebarchiesi@0:       '#parents' => array('extra', 'filtering'),
danielebarchiesi@0:       '#theme' => 'webform_edit_file_extensions',
danielebarchiesi@0:       '#theme_wrappers' => array('form_element'),
danielebarchiesi@0:       '#title' => t('Allowed file extensions'),
danielebarchiesi@0:       '#attached' => array(
danielebarchiesi@0:         'js' => array(drupal_get_path('module', 'webform') . '/js/webform-admin.js'),
danielebarchiesi@0:         'css' => array(drupal_get_path('module', 'webform') . '/css/webform-admin.css'),
danielebarchiesi@0:       ),
danielebarchiesi@0:       '#weight' => 2,
danielebarchiesi@0:     );
danielebarchiesi@0: 
danielebarchiesi@0:     // Find the list of all currently valid extensions.
danielebarchiesi@0:     $current_types = isset($component['extra']['filtering']['types']) ? $component['extra']['filtering']['types'] : array();
danielebarchiesi@0: 
danielebarchiesi@0:     $types = array('gif', 'jpg', 'png');
danielebarchiesi@0:     $form['validation']['extensions']['types']['webimages'] = array(
danielebarchiesi@0:       '#type' => 'checkboxes',
danielebarchiesi@0:       '#title' => t('Web images'),
danielebarchiesi@0:       '#options' => drupal_map_assoc($types),
danielebarchiesi@0:       '#default_value' => array_intersect($current_types, $types),
danielebarchiesi@0:     );
danielebarchiesi@0: 
danielebarchiesi@0:     $types = array('bmp', 'eps', 'tif', 'pict', 'psd');
danielebarchiesi@0:     $form['validation']['extensions']['types']['desktopimages'] = array(
danielebarchiesi@0:       '#type' => 'checkboxes',
danielebarchiesi@0:       '#title' => t('Desktop images'),
danielebarchiesi@0:       '#options' => drupal_map_assoc($types),
danielebarchiesi@0:       '#default_value' => array_intersect($current_types, $types),
danielebarchiesi@0:     );
danielebarchiesi@0: 
danielebarchiesi@0:     $types = array('txt', 'rtf', 'html', 'odf', 'pdf', 'doc', 'docx', 'ppt', 'pptx', 'xls', 'xlsx', 'xml');
danielebarchiesi@0:     $form['validation']['extensions']['types']['documents'] = array(
danielebarchiesi@0:       '#type' => 'checkboxes',
danielebarchiesi@0:       '#title' => t('Documents'),
danielebarchiesi@0:       '#options' => drupal_map_assoc($types),
danielebarchiesi@0:       '#default_value' => array_intersect($current_types, $types),
danielebarchiesi@0:     );
danielebarchiesi@0: 
danielebarchiesi@0:     $types = array('avi', 'mov', 'mp3', 'ogg', 'wav');
danielebarchiesi@0:     $form['validation']['extensions']['types']['media'] = array(
danielebarchiesi@0:       '#type' => 'checkboxes',
danielebarchiesi@0:       '#title' => t('Media'),
danielebarchiesi@0:       '#options' => drupal_map_assoc($types),
danielebarchiesi@0:       '#default_value' => array_intersect($current_types, $types),
danielebarchiesi@0:     );
danielebarchiesi@0: 
danielebarchiesi@0:     $types = array('bz2', 'dmg', 'gz', 'jar', 'rar', 'sit', 'tar', 'zip');
danielebarchiesi@0:     $form['validation']['extensions']['types']['archives'] = array(
danielebarchiesi@0:       '#type' => 'checkboxes',
danielebarchiesi@0:       '#title' => t('Archives'),
danielebarchiesi@0:       '#options' => drupal_map_assoc($types),
danielebarchiesi@0:       '#default_value' => array_intersect($current_types, $types),
danielebarchiesi@0:     );
danielebarchiesi@0: 
danielebarchiesi@0:     $form['validation']['extensions']['addextensions'] = array(
danielebarchiesi@0:       '#type' => 'textfield',
danielebarchiesi@0:       '#title' => t('Additional extensions'),
danielebarchiesi@0:       '#default_value' => $component['extra']['filtering']['addextensions'],
danielebarchiesi@0:       '#description' => t('Enter a list of additional file extensions for this upload field, separated by commas.<br /> Entered extensions will be appended to checked items above.'),
danielebarchiesi@0:       '#size' => 20,
danielebarchiesi@0:       '#weight' => 3,
danielebarchiesi@0:     );
danielebarchiesi@0: 
danielebarchiesi@0:     $scheme_options = array();
danielebarchiesi@0:     foreach (file_get_stream_wrappers(STREAM_WRAPPERS_WRITE_VISIBLE) as $scheme => $stream_wrapper) {
danielebarchiesi@0:       $scheme_options[$scheme] = $stream_wrapper['name'];
danielebarchiesi@0:     }
danielebarchiesi@0:     $form['extra']['scheme'] = array(
danielebarchiesi@0:       '#type' => 'radios',
danielebarchiesi@0:       '#title' => t('Upload destination'),
danielebarchiesi@0:       '#options' => $scheme_options,
danielebarchiesi@0:       '#default_value' => $component['extra']['scheme'],
danielebarchiesi@0:       '#description' => t('Private file storage has significantly more overhead than public files, but restricts file access to users who can view submissions.'),
danielebarchiesi@0:       '#weight' => 4,
danielebarchiesi@0:       '#access' => count($scheme_options) > 1,
danielebarchiesi@0:     );
danielebarchiesi@0:     $form['extra']['directory'] = array(
danielebarchiesi@0:       '#type' => 'textfield',
danielebarchiesi@0:       '#title' => t('Upload directory'),
danielebarchiesi@0:       '#default_value' => $component['extra']['directory'],
danielebarchiesi@0:       '#description' => t('You may optionally specify a sub-directory to store your files.'),
danielebarchiesi@0:       '#weight' => 5,
danielebarchiesi@0:       '#field_prefix' => 'webform/',
danielebarchiesi@0:     );
danielebarchiesi@0: 
danielebarchiesi@0:     $form['display']['progress_indicator'] = array(
danielebarchiesi@0:       '#type' => 'radios',
danielebarchiesi@0:       '#title' => t('Progress indicator'),
danielebarchiesi@0:       '#options' => array(
danielebarchiesi@0:         'throbber' => t('Throbber'),
danielebarchiesi@0:         'bar' => t('Bar with progress meter'),
danielebarchiesi@0:       ),
danielebarchiesi@0:       '#default_value' => $component['extra']['progress_indicator'],
danielebarchiesi@0:       '#description' => t('The throbber display does not show the status of uploads but takes up less space. The progress bar is helpful for monitoring progress on large uploads.'),
danielebarchiesi@0:       '#weight' => 16,
danielebarchiesi@0:       '#access' => file_progress_implementation(),
danielebarchiesi@0:       '#parents' => array('extra', 'progress_indicator'),
danielebarchiesi@0:     );
danielebarchiesi@0: 
danielebarchiesi@0:     // TODO: Make managed_file respect the "size" parameter.
danielebarchiesi@0:     /*
danielebarchiesi@0:     $form['display']['width'] = array(
danielebarchiesi@0:       '#type' => 'textfield',
danielebarchiesi@0:       '#title' => t('Width'),
danielebarchiesi@0:       '#default_value' => $component['extra']['width'],
danielebarchiesi@0:       '#description' => t('Width of the file field.') . ' ' . t('Leaving blank will use the default size.'),
danielebarchiesi@0:       '#size' => 5,
danielebarchiesi@0:       '#maxlength' => 10,
danielebarchiesi@0:       '#weight' => 4,
danielebarchiesi@0:       '#parents' => array('extra', 'width')
danielebarchiesi@0:     );
danielebarchiesi@0:     */
danielebarchiesi@0: 
danielebarchiesi@0:     return $form;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * A Form API element validate function to check filesize is valid.
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_edit_file_size_validate($element) {
danielebarchiesi@0:   if (!empty($element['#value'])) {
danielebarchiesi@0:     $set_filesize = parse_size($element['#value']);
danielebarchiesi@0:     if ($set_filesize == FALSE) {
danielebarchiesi@0:       form_error($element, t('File size @value is not a valid filesize. Use a value such as 2 MB or 800 KB.', array('@value' => $element['#value'])));
danielebarchiesi@0:     }
danielebarchiesi@0:     else {
danielebarchiesi@0:       $max_filesize = parse_size(file_upload_max_size());
danielebarchiesi@0:       if ($max_filesize < $set_filesize) {
danielebarchiesi@0:         form_error($element, t('An upload size of @value is too large, you are allow to upload files @max or less.', array('@value' => $element['#value'], '@max' => format_size($max_filesize))));
danielebarchiesi@0:       }
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * A Form API after build and validate function.
danielebarchiesi@0:  *
danielebarchiesi@0:  * Ensure that the destination directory exists and is writable.
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_edit_file_check_directory($element) {
danielebarchiesi@0:   $scheme = $element['extra']['scheme']['#value'];
danielebarchiesi@0:   $directory = $element['extra']['directory']['#value'];
danielebarchiesi@0: 
danielebarchiesi@0:   $destination_dir = file_stream_wrapper_uri_normalize($scheme . '://' . $directory . '/webform');
danielebarchiesi@0: 
danielebarchiesi@0:   // Sanity check input to prevent use parent (../) directories.
danielebarchiesi@0:   if (preg_match('/\.\.[\/\\\]/', $destination_dir . '/')) {
danielebarchiesi@0:     form_error($element['extra']['directory'], t('The save directory %directory is not valid.', array('%directory' => $directory)));
danielebarchiesi@0:   }
danielebarchiesi@0:   else {
danielebarchiesi@0:     $destination_success = file_prepare_directory($destination_dir, FILE_CREATE_DIRECTORY);
danielebarchiesi@0:     if (!$destination_success) {
danielebarchiesi@0:       form_error($element['extra']['directory'], t('The save directory %directory could not be created. Check that the webform files directory is writable.', array('%directory' => $directory)));
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   return $element;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * A Form API element validate function.
danielebarchiesi@0:  *
danielebarchiesi@0:  * Change the submitted values of the component so that all filtering extensions
danielebarchiesi@0:  * are saved as a single array.
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_edit_file_extensions_validate($element, &$form_state) {
danielebarchiesi@0:   // Predefined types.
danielebarchiesi@0:   $extensions = array();
danielebarchiesi@0:   foreach (element_children($element['types']) as $category) {
danielebarchiesi@0:     foreach (array_keys($element['types'][$category]['#value']) as $extension) {
danielebarchiesi@0:       if ($element['types'][$category][$extension]['#value']) {
danielebarchiesi@0:         $extensions[] = $extension;
danielebarchiesi@0:       }
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   // Additional types.
danielebarchiesi@0:   $additional_extensions = explode(',', $element['addextensions']['#value']);
danielebarchiesi@0:   foreach ($additional_extensions as $extension) {
danielebarchiesi@0:     $clean_extension = drupal_strtolower(trim($extension));
danielebarchiesi@0:     if (!empty($clean_extension) && !in_array($clean_extension, $extensions)) {
danielebarchiesi@0:       $extensions[] = $clean_extension;
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   form_set_value($element['types'], $extensions, $form_state);
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Output the list of allowed extensions as checkboxes.
danielebarchiesi@0:  */
danielebarchiesi@0: function theme_webform_edit_file_extensions($variables) {
danielebarchiesi@0:   $element = $variables['element'];
danielebarchiesi@0: 
danielebarchiesi@0:   // Format the components into a table.
danielebarchiesi@0:   $rows = array();
danielebarchiesi@0:   foreach (element_children($element['types']) as $filtergroup) {
danielebarchiesi@0:     $row = array();
danielebarchiesi@0:     $first_row = count($rows);
danielebarchiesi@0:     if ($element['types'][$filtergroup]['#type'] == 'checkboxes') {
danielebarchiesi@0:       $select_link = ' <a href="#" class="webform-select-link webform-select-link-' . $filtergroup . '">(' . t('select') . ')</a>';
danielebarchiesi@0:       $row[] = $element['types'][$filtergroup]['#title'];
danielebarchiesi@0:       $row[] = array('data' => $select_link, 'width' => 40);
danielebarchiesi@0:       $row[] = array('data' => drupal_render_children($element['types'][$filtergroup]), 'class' => array('webform-file-extensions', 'webform-select-group-' . $filtergroup));
danielebarchiesi@0:       $rows[] = array('data' => $row);
danielebarchiesi@0:       unset($element['types'][$filtergroup]);
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   // Add the row for additional types.
danielebarchiesi@0:   $row = array();
danielebarchiesi@0:   $title = $element['addextensions']['#title'];
danielebarchiesi@0:   $element['addextensions']['#title'] = NULL;
danielebarchiesi@0:   $row[] = array('data' => $title, 'colspan' => 2);
danielebarchiesi@0:   $row[] = drupal_render($element['addextensions']);
danielebarchiesi@0:   $rows[] = $row;
danielebarchiesi@0: 
danielebarchiesi@0:   $header = array(array('data' => t('Category'), 'colspan' => '2'), array('data' => t('Types')));
danielebarchiesi@0: 
danielebarchiesi@0:   // Create the table inside the form.
danielebarchiesi@0:   $element['types']['table'] = array(
danielebarchiesi@0:     '#theme' => 'table',
danielebarchiesi@0:     '#header' => $header,
danielebarchiesi@0:     '#rows' => $rows,
danielebarchiesi@0:     '#attributes' => array('class' => array('webform-file-extensions')),
danielebarchiesi@0:   );
danielebarchiesi@0: 
danielebarchiesi@0:   return drupal_render_children($element);
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_render_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_render_file($component, $value = NULL, $filter = TRUE) {
danielebarchiesi@0:   $node = isset($component['nid']) ? node_load($component['nid']) : NULL;
danielebarchiesi@0: 
danielebarchiesi@0:   // Cap the upload size according to the PHP limit.
danielebarchiesi@0:   $max_filesize = parse_size(file_upload_max_size());
danielebarchiesi@0:   $set_filesize = $component['extra']['filtering']['size'];
danielebarchiesi@0:   if (!empty($set_filesize) && parse_size($set_filesize) < $max_filesize) {
danielebarchiesi@0:     $max_filesize = parse_size($set_filesize);
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $element = array(
danielebarchiesi@0:     '#type' => 'managed_file',
danielebarchiesi@0:     '#title' => $filter ? _webform_filter_xss($component['name']) : $component['name'],
danielebarchiesi@0:     '#title_display' => $component['extra']['title_display'] ? $component['extra']['title_display'] : 'before',
danielebarchiesi@0:     '#required' => $component['mandatory'],
danielebarchiesi@0:     '#default_value' => isset($value[0]) ? $value[0] : NULL,
danielebarchiesi@0:     '#attributes' => $component['extra']['attributes'],
danielebarchiesi@0:     '#upload_validators' => array(
danielebarchiesi@0:       'file_validate_size' => array($max_filesize),
danielebarchiesi@0:       'file_validate_extensions' => array(implode(' ', $component['extra']['filtering']['types'])),
danielebarchiesi@0:     ),
danielebarchiesi@0:     '#pre_render' => array_merge(element_info_property('managed_file', '#pre_render'), array('webform_file_allow_access')),
danielebarchiesi@0:     '#upload_location' => $component['extra']['scheme'] . '://webform/' . $component['extra']['directory'],
danielebarchiesi@0:     '#progress_indicator' => $component['extra']['progress_indicator'],
danielebarchiesi@0:     '#description' => $filter ? _webform_filter_descriptions($component['extra']['description'], $node) : $component['extra']['description'],
danielebarchiesi@0:     '#weight' => $component['weight'],
danielebarchiesi@0:     '#theme_wrappers' => array('webform_element'),
danielebarchiesi@0:     '#translatable' => array('title', 'description'),
danielebarchiesi@0:   );
danielebarchiesi@0: 
danielebarchiesi@0:   return $element;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_submit_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_submit_file($component, $value) {
danielebarchiesi@0:   if (is_array($value)) {
danielebarchiesi@0:     return !empty($value['fid']) ? $value['fid'] : '';
danielebarchiesi@0:   }
danielebarchiesi@0:   else {
danielebarchiesi@0:     return !empty($value) ? $value : '';
danielebarchiesi@0:   }
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Pre-render callback to allow access to uploaded files.
danielebarchiesi@0:  *
danielebarchiesi@0:  * Files that have not yet been saved into a submission must be accessible to
danielebarchiesi@0:  * the user who uploaded it, but no one else. After the submission is saved,
danielebarchiesi@0:  * access is granted through the file_usage table. Before then, we use a
danielebarchiesi@0:  * $_SESSION value to record a user's upload.
danielebarchiesi@0:  *
danielebarchiesi@0:  * @see webform_file_download()
danielebarchiesi@0:  */
danielebarchiesi@0: function webform_file_allow_access($element) {
danielebarchiesi@0:   if (!empty($element['#value']['fid'])) {
danielebarchiesi@0:     $fid = $element['#value']['fid'];
danielebarchiesi@0:     $_SESSION['webform_files'][$fid] = $fid;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   return $element;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_display_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_display_file($component, $value, $format = 'html') {
danielebarchiesi@0:   $fid = isset($value[0]) ? $value[0] : NULL;
danielebarchiesi@0:   return array(
danielebarchiesi@0:     '#title' => $component['name'],
danielebarchiesi@0:     '#value' => $fid ? webform_get_file($fid) : NULL,
danielebarchiesi@0:     '#weight' => $component['weight'],
danielebarchiesi@0:     '#theme' => 'webform_display_file',
danielebarchiesi@0:     '#theme_wrappers' => $format == 'text' ? array('webform_element_text') : array('webform_element'),
danielebarchiesi@0:     '#format' => $format,
danielebarchiesi@0:     '#translatable' => array('title'),
danielebarchiesi@0:   );
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Format the output of text data for this component
danielebarchiesi@0:  */
danielebarchiesi@0: function theme_webform_display_file($variables) {
danielebarchiesi@0:   $element = $variables['element'];
danielebarchiesi@0: 
danielebarchiesi@0:   $file = $element['#value'];
danielebarchiesi@0:   $url = !empty($file) ? webform_file_url($file->uri) : t('no upload');
danielebarchiesi@0:   return !empty($file) ? ($element['#format'] == 'text' ? $url : l($file->filename, $url)) : ' ';
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_delete_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_delete_file($component, $value) {
danielebarchiesi@0:   // Delete an individual submission file.
danielebarchiesi@0:   if (!empty($value[0]) && ($file = webform_get_file($value[0]))) {
danielebarchiesi@0:     file_usage_delete($file, 'webform');
danielebarchiesi@0:     file_delete($file);
danielebarchiesi@0:   }
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_attachments_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_attachments_file($component, $value) {
danielebarchiesi@0:   $file = (array) webform_get_file($value[0]);
danielebarchiesi@0:   //This is necessary until the next release of mimemail is out, see [#1388786]
danielebarchiesi@0:   $file['filepath'] = $file['uri'];
danielebarchiesi@0:   $files = array($file);
danielebarchiesi@0:   return $files;
danielebarchiesi@0: }
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_analysis_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_analysis_file($component, $sids = array()) {
danielebarchiesi@0:   $query = db_select('webform_submitted_data', 'wsd', array('fetch' => PDO::FETCH_ASSOC))
danielebarchiesi@0:     ->fields('wsd', array('no', 'data'))
danielebarchiesi@0:     ->condition('nid', $component['nid'])
danielebarchiesi@0:     ->condition('cid', $component['cid']);
danielebarchiesi@0: 
danielebarchiesi@0:   if (count($sids)) {
danielebarchiesi@0:     $query->condition('sid', $sids, 'IN');
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $nonblanks = 0;
danielebarchiesi@0:   $sizetotal = 0;
danielebarchiesi@0:   $submissions = 0;
danielebarchiesi@0: 
danielebarchiesi@0:   $result = $query->execute();
danielebarchiesi@0:   foreach ($result as $data) {
danielebarchiesi@0:     $file = webform_get_file($data['data']);
danielebarchiesi@0:     if (isset($file->filesize)) {
danielebarchiesi@0:       $nonblanks++;
danielebarchiesi@0:       $sizetotal += $file->filesize;
danielebarchiesi@0:     }
danielebarchiesi@0:     $submissions++;
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   $rows[0] = array(t('Left Blank'), ($submissions - $nonblanks));
danielebarchiesi@0:   $rows[1] = array(t('User uploaded file'), $nonblanks);
danielebarchiesi@0:   $rows[2] = array(t('Average uploaded file size'), ($sizetotal != 0 ? (int) (($sizetotal/$nonblanks)/1024) . ' KB' : '0'));
danielebarchiesi@0:   return $rows;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_table_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_table_file($component, $value) {
danielebarchiesi@0:   $output = '';
danielebarchiesi@0:   $file = webform_get_file($value[0]);
danielebarchiesi@0:   if (!empty($file->fid)) {
danielebarchiesi@0:     $output = '<a href="' . webform_file_url($file->uri) . '">' . check_plain(webform_file_name($file->uri)) . '</a>';
danielebarchiesi@0:     $output .= ' (' . (int) ($file->filesize/1024) . ' KB)';
danielebarchiesi@0:   }
danielebarchiesi@0:   return $output;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_csv_headers_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_csv_headers_file($component, $export_options) {
danielebarchiesi@0:   $header = array();
danielebarchiesi@0:   // Two columns in header.
danielebarchiesi@0:   $header[0] = array('', '');
danielebarchiesi@0:   $header[1] = array($component['name'], '');
danielebarchiesi@0:   $header[2] = array(t('Name'), t('Filesize (KB)'));
danielebarchiesi@0:   return $header;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements _webform_csv_data_component().
danielebarchiesi@0:  */
danielebarchiesi@0: function _webform_csv_data_file($component, $export_options, $value) {
danielebarchiesi@0:   $file = webform_get_file($value[0]);
danielebarchiesi@0:   return empty($file->filename) ? array('', '') : array(webform_file_url($file->uri), (int) ($file->filesize/1024));
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Helper function to create proper file names for uploaded file.
danielebarchiesi@0:  */
danielebarchiesi@0: function webform_file_name($filepath) {
danielebarchiesi@0:   if (!empty($filepath)) {
danielebarchiesi@0:     $info = pathinfo($filepath);
danielebarchiesi@0:     $file_name = $info['basename'];
danielebarchiesi@0:   }
danielebarchiesi@0:   return isset($file_name) ? $file_name : '';
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Helper function to create proper URLs for uploaded file.
danielebarchiesi@0:  */
danielebarchiesi@0: function webform_file_url($uri) {
danielebarchiesi@0:   if (!empty($uri)) {
danielebarchiesi@0:     $file_url = file_create_url($uri);
danielebarchiesi@0:   }
danielebarchiesi@0:   return isset($file_url) ? $file_url : '';
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Helper function to load a file from the database.
danielebarchiesi@0:  */
danielebarchiesi@0: function webform_get_file($fid) {
danielebarchiesi@0:   // Simple check to prevent loading of NULL values, which throws an entity
danielebarchiesi@0:   // system error.
danielebarchiesi@0:   return $fid ? file_load($fid) : FALSE;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Given a submission with file_usage set, add or remove file usage entries.
danielebarchiesi@0:  */
danielebarchiesi@0: function webform_file_usage_adjust($submission) {
danielebarchiesi@0:   if (isset($submission->file_usage)) {
danielebarchiesi@0:     $files = file_load_multiple($submission->file_usage['added_fids']);
danielebarchiesi@0:     foreach ($files as $file) {
danielebarchiesi@0:       $file->status = 1;
danielebarchiesi@0:       file_save($file);
danielebarchiesi@0:       file_usage_add($file, 'webform', 'submission', $submission->sid);
danielebarchiesi@0:     }
danielebarchiesi@0: 
danielebarchiesi@0:     $files = file_load_multiple($submission->file_usage['deleted_fids']);
danielebarchiesi@0:     foreach ($files as $file) {
danielebarchiesi@0:       file_usage_delete($file, 'webform', 'submission', $submission->sid);
danielebarchiesi@0:       file_delete($file);
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: }
danielebarchiesi@0: