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   1  <?php
   2  
   3  /**
   4   * @file
   5   * video ftp core hooks and menu callbacks.
   6   */
   7  
   8  module_load_include('inc', 'videoftp', 'videoftp_widget');
   9  
  10  /*
  11   * Implementation of hook_menu().
  12   */
  13  function videoftp_menu() {
  14    $items = array();
  15    $items['videoftp/ahah/%/%/%'] = array(
  16      'page callback' => 'videoftp_js',
  17      'page arguments' => array(2, 3, 4),
  18      //'access callback' => 'videoftp_edit_access',
  19      'access arguments' => array('access content'),
  20      'type' => MENU_CALLBACK,
  21    );
  22    $items['videoftp/progress'] = array(
  23      'page callback' => 'videoftp_progress',
  24      'access arguments' => array('access content'),
  25      'type' => MENU_CALLBACK,
  26    );
  27    return $items;
  28  }
  29  
  30  /**
  31   * Implementation of hook_theme().
  32   */
  33  function videoftp_theme() {
  34    $theme = array();
  35    $theme['videoftp_widget'] = array(
  36      'arguments' => array('element' => NULL),
  37      'file' => 'videoftp.theme.inc',
  38    );
  39    $theme['videoftp_widget_item'] = array(
  40      'arguments' => array('element' => NULL),
  41      'file' => 'videoftp.theme.inc',
  42    );
  43    $theme['videoftp_widget_file'] = array(
  44      'arguments' => array('element' => NULL),
  45      'file' => 'videoftp.theme.inc',
  46    );
  47    return $theme;
  48  }
  49  
  50  /**
  51   * Implementation of CCK's hook_widget_info().
  52   */
  53  function videoftp_widget_info() {
  54    return array(
  55      'videoftp_widget' => array(
  56        'label' => t('Video FTP'),
  57        'field types' => array('filefield'),
  58        'multiple values' => CONTENT_HANDLE_CORE,
  59        'callbacks' => array('default value' => CONTENT_CALLBACK_CUSTOM),
  60        'description' => t('Widget allows you to select video files uploaded through FTP to be attached to the node.'),
  61      ),
  62    );
  63  }
  64  
  65  /**
  66   * Implementation of hook_elements().
  67   */
  68  function videoftp_elements() {
  69    $elements = array();
  70    $filefield_elements = module_invoke('filefield', 'elements');
  71    $elements['videoftp_widget'] = $filefield_elements['filefield_widget'];
  72    $elements['videoftp_widget']['#columns'][] = 'filepath';
  73    $elements['videoftp_widget']['#process'] = array('videoftp_widget_process');
  74    $elements['videoftp_widget']['#value_callback'] = 'videoftp_widget_value';
  75  
  76    // Support for the imagefield_extended module
  77    if (module_exists('imagefield_extended')) {
  78      $elements['uploadfield_widget']['#process'][] = 'imagefield_extended_widget_process';
  79    }
  80  
  81    return $elements;
  82    
  83    $elements = array(
  84      'videoftp_widget' => array(
  85        '#input' => TRUE,//
  86        '#columns' => array('fid', 'list', 'data', 'filepath'),//
  87        '#process' => array('videoftp_widget_process'),//
  88          '#value_callback' => 'videoftp_widget_value',
  89      ),
  90    );
  91  
  92    // Support for the imagefield_extended module
  93    if (module_exists('imagefield_extended')) {
  94      $elements['videoftp_widget']['#process'][] = 'imagefield_extended_widget_process';
  95    }
  96  
  97    return $elements;
  98  }
  99  
 100  /**
 101   * Implementation of CCK's hook_widget_settings().
 102   */
 103  function videoftp_widget_settings($op, $widget) {
 104    //load up our include file for the widget
 105    module_load_include('inc', 'videoftp', 'videoftp_widget');
 106    switch ($op) {
 107      case 'form':
 108        return videoftp_widget_settings_form($widget);
 109      case 'validate':
 110        return videoftp_widget_settings_validate($widget);
 111      case 'save':
 112        return videoftp_widget_settings_save($widget);
 113    }
 114  }
 115  
 116  /**
 117   * Implementation of hook_widget().
 118   */
 119  function videoftp_widget(&$form, &$form_state, $field, $items, $delta = NULL) {
 120    if (empty($form['#validate']) || !in_array('filefield_node_form_validate', $form['#validate'])) {
 121      $form['#validate'][] = 'filefield_node_form_validate';
 122    }
 123  
 124    $item = array('fid' => 0, 'list' => $field['list_default']);
 125    $data = array('description' => '', 'video_thumb' => '', 'bypass_autoconversion' => variable_get('video_bypass_conversion', FALSE));
 126    
 127    if (isset($items[$delta])) {
 128      if (isset($items[$delta]['data'])) {
 129        $data = array_merge($data, $items[$delta]['data']);
 130      }
 131      $item = array_merge($item, $items[$delta]);
 132    }
 133  
 134    $item['data'] = $data;
 135  
 136    return array(
 137      '#title' => $field['widget']['label'],
 138      '#type' => $field['widget']['type'],
 139      '#default_value' => $item,
 140    );
 141  }
 142  
 143  /**
 144   * Menu callback; Shared AHAH callback for ftp file attachment and deletions.
 145   *
 146   * This rebuilds the form element for a particular field item. As long as the
 147   * form processing is properly encapsulated in the widget element the form
 148   * should rebuild correctly using FAPI without the need for additional callbacks
 149   * or processing.
 150   */
 151  function videoftp_js($type_name, $field_name, $delta) {
 152    module_load_include('inc', 'videoftp', 'videoftp_widget');
 153    $field = content_fields($field_name, $type_name);
 154  
 155    if (empty($field) || empty($_POST['form_build_id'])) {
 156      // Invalid request.
 157      drupal_set_message(t('An unrecoverable error occurred.'), 'error');
 158      print drupal_to_js(array('data' => theme('status_messages')));
 159      exit;
 160    }
 161  
 162    // Build the new form.
 163    $form_state = array('submitted' => FALSE);
 164    $form_build_id = $_POST['form_build_id'];
 165    $form = form_get_cache($form_build_id, $form_state);
 166  
 167    if (!$form) {
 168      // Invalid form_build_id.
 169      drupal_set_message(t('An unrecoverable error occurred. This form was missing from the server cache. Try reloading the page and submitting again.'), 'error');
 170      print drupal_to_js(array('data' => theme('status_messages')));
 171      exit;
 172    }
 173  
 174    // Build the form. This calls the file field's #value_callback function and
 175    // saves the uploaded file. Since this form is already marked as cached
 176    // (the #cache property is TRUE), the cache is updated automatically and we
 177    // don't need to call form_set_cache().
 178    $args = $form['#parameters'];
 179    $form_id = array_shift($args);
 180    $form['#post'] = $_POST;
 181    $form = form_builder($form_id, $form, $form_state);
 182  
 183    // Update the cached form with the new element at the right place in the form.
 184    if (module_exists('fieldgroup') && ($group_name = _fieldgroup_field_get_group($type_name, $field_name))) {
 185      if (isset($form['#multigroups']) && isset($form['#multigroups'][$group_name][$field_name])) {
 186        $form_element = $form[$group_name][$delta][$field_name];
 187      }
 188      else {
 189        $form_element = $form[$group_name][$field_name][$delta];
 190      }
 191    }
 192    else {
 193      $form_element = $form[$field_name][$delta];
 194    }
 195  
 196    if (isset($form_element['_weight'])) {
 197      unset($form_element['_weight']);
 198    }
 199    $output = drupal_render($form_element);
 200    // AHAH is not being nice to us and doesn't know the "other" button (that is,
 201    // either "Attach" or "Delete") yet. Which in turn causes it not to attach
 202    // AHAH behaviours after replacing the element. So we need to tell it first.
 203  
 204    // Loop through the JS settings and find the settings needed for our buttons.
 205    $javascript = drupal_add_js(NULL, NULL);
 206    $videoftp_ahah_settings = array();
 207    if (isset($javascript['setting'])) {
 208      foreach ($javascript['setting'] as $settings) {
 209        if (isset($settings['ahah'])) {
 210          foreach ($settings['ahah'] as $id => $ahah_settings) {
 211            if (strpos($id, 'videoftp-attach') || strpos($id, 'videoftp-remove')) {
 212              $videoftp_ahah_settings[$id] = $ahah_settings;
 213            }
 214          }
 215        }
 216      }
 217    }
 218  
 219    // Add the AHAH settings needed for our new buttons.
 220    if (!empty($videoftp_ahah_settings)) {
 221      $output .= '<script type="text/javascript">jQuery.extend(Drupal.settings.ahah, '. drupal_to_js($videoftp_ahah_settings) .');</script>';
 222    }
 223  
 224    $output = theme('status_messages') . $output;
 225  
 226    // For some reason, file uploads don't like drupal_json() with its manual
 227    // setting of the text/javascript HTTP header. So use this one instead.
 228    $GLOBALS['devel_shutdown'] = FALSE;
 229    print drupal_to_js(array('status' => TRUE, 'data' => $output));
 230    exit;
 231  }