dragndrop_upload_example.module in Drag & Drop Upload 7

Contains examples of how to create droppable zones.

File

modules/dragndrop_upload_example/dragndrop_upload_example.module

<?php

/**
 * @file
 * Contains examples of how to create droppable zones.
 */

/**
 * Implements hook_menu().
 */
function dragndrop_upload_example_menu() {
  $items['dragndrop-upload/example-dropzone'] = array(
    'title' => 'Drag & Drop Dropzone Example',
    'page callback' => 'dragndrop_upload_example_dropzone',
    'access arguments' => array(
      'access content',
    ),
    'type' => MENU_CALLBACK,
  );
  $items['dragndrop-upload/example-element'] = array(
    'title' => 'Drag & Drop Element Example',
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'dragndrop_upload_example_element',
    ),
    'access arguments' => array(
      'access content',
    ),
    'type' => MENU_CALLBACK,
  );
  return $items;
}

/**
 * Page callback for 'dragndrop-upload/example-api'.
 */
function dragndrop_upload_example_dropzone() {
  if ($_FILES) {
    exit(print_r($_FILES, 1));
  }
  $build = array();
  $settings = array(
    'selector' => '.dragndrop-example-api',
    'settings' => array(
      'name' => 'dragndrop-example-api',
      'callback' => 'dragndrop_upload_example_dropzone_callback',
    ),
  );
  $path = drupal_get_path('module', 'dragndrop_upload_example');
  $build['dropzone'] = array(
    '#type' => 'container',
    '#attributes' => array(
      'class' => 'dragndrop-example-api',
    ),
    'text' => array(
      '#markup' => t('Dropzone here'),
    ),
    '#attached' => array(
      'css' => array(
        $path . '/css/dragndrop-upload-example.css',
      ),
      'dragndrop_upload' => array(
        $settings,
      ),
    ),
  );
  $build['dropzone2'] = array(
    '#type' => 'container',
    '#attributes' => array(
      'class' => 'dragndrop-example-api',
    ),
    'text' => array(
      '#markup' => t('Same dropzone here'),
    ),
    '#attached' => array(
      'dragndrop_upload' => array(
        $settings,
      ),
    ),
  );
  return $build;
}

/**
 * Ajax file callback for example dropzones.
 *
 * @param string $name
 *   Name of the dropzone.
 * @param array $file
 *   Received file array, extracted the $_FILES.
 *
 * @return array
 *   Ajax commands.
 */
function dragndrop_upload_example_dropzone_callback($name, $file) {
  $commands = array();
  $text = t('File received: @name', array(
    '@name' => $file['name'],
  ));
  $commands[] = ajax_command_invoke('.dragndrop-example-api', 'text', array(
    $text,
  ));
  return array(
    '#type' => 'ajax',
    '#commands' => $commands,
  );
}

/**
 * Form callback for the 'dragndrop-upload/example-element'.
 */
function dragndrop_upload_example_element($form, &$form_state) {
  $form = array();
  $path = drupal_get_path('module', 'dragndrop_upload_example');
  $form['dnd'] = array(
    '#type' => 'dragndrop_upload',
    '#title' => t('Drag & Drop files here'),
    '#file_upload_max_size' => '10M',
    '#upload_location' => 'public://',
    '#upload_event' => 'manual',
  );
  $form['dropzone'] = array(
    '#type' => 'container',
    '#attributes' => array(
      'class' => array(
        'dragndrop-example-element-mirror',
      ),
    ),
    'text' => array(
      '#markup' => t('Mirror dropzone here'),
    ),
    '#attached' => array(
      'css' => array(
        $path . '/css/dragndrop-upload-example.css',
      ),
    ),
  );

  // It is needed to prefix element name that needs a mirror with "droppable-"
  // to get its identifier.
  dragndrop_upload_dropzone_add('.dragndrop-example-element-mirror', array(
    'asMirrorFor' => '#droppable-dnd',
  ));
  return $form;
}

Functions

Name	Description
dragndrop_upload_example_dropzone	Page callback for 'dragndrop-upload/example-api'.
dragndrop_upload_example_dropzone_callback	Ajax file callback for example dropzones.
dragndrop_upload_example_element	Form callback for the 'dragndrop-upload/example-element'.
dragndrop_upload_example_menu	Implements hook_menu().