bpn_upload.module in Bulk File Nodes 7

Hooks and functions for the bpn_upload module.

File

modules/bpn_upload/bpn_upload.module

<?php

/**
 * @file
 * Hooks and functions for the bpn_upload module.
 */

/**
 * Implements hook_bpn_upload().
 *
 * Defines a multi-step form to use with bulk_photo_nodes.
 */
function bpn_upload_bulk_photo_nodes_method() {
  return 'bpn_upload_form';
}

/**
 * Form constructor multi-step bulk photo nodes.
 *
 * @see bpn_upload_form_step_1()
 * @see bpn_upload_form_step_1_submit()
 * @see bpn_upload_form_step_2()
 * @ingroup forms
 */
function bpn_upload_form($form, &$form_state, $node_type) {
  if (empty($form_state['step'])) {
    $form_state['step'] = 1;
  }
  if (empty($form_state['node_type'])) {
    $form_state['node_type'] = $node_type;
  }
  $form_callback = 'bpn_upload_form_step_' . $form_state['step'];
  if (function_exists($form_callback)) {
    return $form_callback($form, $form_state);
  }
  return $form;
}

/**
 * Form constructor for step one of bpn_upload_form().
 *
 * @see bpn_upload_form_step_1_submit()
 * @ingroup forms
 */
function bpn_upload_form_step_1($form, &$form_state) {
  $node_type = $form_state['node_type'];
  $form = array(
    '#weight' => -1,
    'header' => array(
      '#markup' => '<h3>' . t('Upload Images From Your Computer') . '</h3>',
    ),
  );
  $form['plupload'] = array(
    '#type' => 'plupload',
    '#required' => TRUE,
  );

  // Get list of allowed file extensions.
  $valid_extensions = array();
  $options = bulk_photo_nodes_get_file_info($node_type);
  if (!empty($options['instance_info']['settings']['file_extensions'])) {
    $valid_extensions = $options['instance_info']['settings']['file_extensions'];
  }
  if (!empty($valid_extensions)) {
    $form['plupload']['#upload_validators'] = array(
      'file_validate_extensions' => array(
        $valid_extensions,
      ),
    );
  }
  $form['next'] = array(
    '#type' => 'submit',
    '#value' => t('Next'),
    '#suffix' => '<div class="description">' . t('Add description(s) on next page') . '</div>',
  );
  $form['#submit'] = array(
    'bpn_upload_form_step_1_submit',
  );
  drupal_set_title(t('Upload Images'));
  return $form;
}

/**
 * Form submission handler for bpn_upload_form_step_1().
 */
function bpn_upload_form_step_1_submit($form, &$form_state) {
  $node_type = $form_state['node_type'];
  $saved_files = array();
  foreach ($form_state['values']['plupload'] as $uploaded_file) {
    if ($uploaded_file['status'] == 'done') {
      $source = $uploaded_file['tmppath'];
      $destination = file_stream_wrapper_uri_normalize('public://' . $uploaded_file['name']);
      $destination = file_unmanaged_move($source, $destination, FILE_EXISTS_RENAME);
      $file = plupload_file_uri_to_object($destination);
      file_save($file);
      if (function_exists('exif_read_data')) {
        $read_data_compatible_types = array(
          IMAGETYPE_JPEG,
          IMAGETYPE_TIFF_II,
          IMAGETYPE_TIFF_MM,
        );
        $type_of_image = exif_imagetype($destination);
        if (in_array($type_of_image, $read_data_compatible_types)) {
          $extra_info = exif_read_data(drupal_realpath($destination));
        }
      }
      $form_state['saved_files'][] = array(
        'extra_info' => !empty($extra_info) ? $extra_info : FALSE,
        'file_object' => $file,
      );
    }
    else {
      form_set_error('plupload', "Upload of {$uploaded_file['name']} failed");
    }
  }
  $form_state['step'] = 2;
  $form_state['rebuild'] = TRUE;
}

/**
 * Form constructor for step two of bpn_upload_form().
 *
 * @see bpn_upload_form_step_1()
 * @see bpn_upload_form_step_1_submit()
 * @todo find a better way of transfering form state.
 */
function bpn_upload_form_step_2($form, &$form_state) {
  return bulk_photo_nodes_add_form($form, $form_state);
}

Functions

Name	Description
bpn_upload_bulk_photo_nodes_method	Implements hook_bpn_upload().
bpn_upload_form	Form constructor multi-step bulk photo nodes.
bpn_upload_form_step_1	Form constructor for step one of bpn_upload_form().
bpn_upload_form_step_1_submit	Form submission handler for bpn_upload_form_step_1().
bpn_upload_form_step_2	Form constructor for step two of bpn_upload_form().