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   1  <?php
   2  
   3  /**
   4   * @file
   5   * uploadfield core hooks and menu callbacks.
   6   */
   7  
   8  module_load_include('inc', 'uploadfield', 'uploadfield_widget');
   9  
  10  /**
  11   * Implementation of hook_theme().
  12   */
  13  function uploadfield_theme() {
  14    $theme = array();
  15    $theme['uploadfield_widget'] = array(
  16      'arguments' => array('element' => NULL),
  17      'file' => 'uploadfield.theme.inc',
  18    );
  19    $theme['uploadfield_widget_item'] = array(
  20      'arguments' => array('element' => NULL),
  21      'file' => 'uploadfield.theme.inc',
  22    );
  23    return $theme;
  24  }
  25  
  26  /**
  27   * Implementation of CCK's hook_widget_info().
  28   */
  29  function uploadfield_widget_info() {
  30    return array(
  31      'uploadfield_widget' => array(
  32        'label' => t('Video'),
  33        'field types' => array('filefield'),
  34        'multiple values' => CONTENT_HANDLE_CORE,
  35        'callbacks' => array('default value' => CONTENT_CALLBACK_CUSTOM),
  36        'description' => t('An edit widget for video files, including video thumbnails and transcoding to flash.'),
  37      ),
  38    );
  39  }
  40  
  41  
  42  /**
  43   * Implementation of hook_elements().
  44   */
  45  function uploadfield_elements() {
  46    // An uploadfield is really just a FileField with extra processing.
  47    $filefield_elements = module_invoke('filefield', 'elements');
  48  
  49    $elements = array();
  50    $elements['uploadfield_widget'] = $filefield_elements['filefield_widget'];
  51    $elements['uploadfield_widget']['#process'][] = 'uploadfield_widget_process';
  52    // uploadfield needs a separate value callback to save its alt and title texts.
  53    $elements['uploadfield_widget']['#value_callback'] = 'uploadfield_widget_value';
  54  
  55    return $elements;
  56  }
  57  
  58  /**
  59   * Implementation of hook_file_download.
  60   */
  61  function uploadfield_file_download($filepath) {
  62    // Return headers for default images.
  63    if (strpos($filepath, 'video_thumbs') !== FALSE) {
  64      $full_path = file_create_path($filepath);
  65      if ($info = getimagesize($full_path)) {
  66        return array(
  67        'Content-Type: ' . $info['mime'],
  68        'Content-Length: ' . filesize($full_path)
  69        );
  70      }
  71    }
  72  }
  73  
  74  /**
  75   * Implementation of CCK's hook_widget_settings().
  76   */
  77  function uploadfield_widget_settings($op, $widget) {
  78    switch ($op) {
  79      case 'form':
  80        return uploadfield_widget_settings_form($widget);
  81      case 'validate':
  82        return uploadfield_widget_settings_validate($widget);
  83      case 'save':
  84        return uploadfield_widget_settings_save($widget);
  85    }
  86  }
  87  
  88  /**
  89   * Implementation of hook_widget().
  90   */
  91  function uploadfield_widget(&$form, &$form_state, $field, $items, $delta = NULL) {
  92    $uploadfield = array(
  93      'data' => array(
  94        'video_thumb' => '',
  95        'bypass_autoconversion' => variable_get('video_bypass_conversion', FALSE),
  96      ),
  97    );
  98  
  99    $filefield = filefield_widget($form, $form_state, $field, $items, $delta);
 100  
 101    $element = $filefield;
 102    $element['#default_value'] = array_merge($uploadfield, $filefield['#default_value']);
 103    $element['#default_value']['data'] = array_merge($uploadfield['data'], $filefield['#default_value']['data']);
 104  
 105    return $element;
 106  }
 107  
 108  /**
 109   * Implementation of CCK's hook_default_value().
 110   */
 111  function uploadfield_default_value(&$form, &$form_state, $field, $delta) {
 112    return filefield_default_value($form, $form_state, $field, $delta);
 113  }
 114  
 115  /**
 116   * Implementation of hook_form_[form_id]_alter().
 117   *
 118   * Modify the add new field form to make "Video" the default formatter.
 119   */
 120  function uploadfield_form_content_field_overview_form_alter(&$form, &$form_state) {
 121    $form['#submit'][] = 'uploadfield_form_content_field_overview_submit';
 122  }
 123  
 124  /**
 125   * Submit handler to set a new field's formatter to "video_plain".
 126   */
 127  function uploadfield_form_content_field_overview_submit(&$form, &$form_state) {
 128    if (isset($form_state['fields_added']['_add_new_field']) && isset($form['#type_name'])) {
 129      $new_field = $form_state['fields_added']['_add_new_field'];
 130      $node_type = $form['#type_name'];
 131      $field = content_fields($new_field, $node_type);
 132      if ($field['widget']['module'] == 'uploadfield') {
 133        foreach ($field['display_settings'] as $display_type => $display_settings) {
 134          if ($field['display_settings'][$display_type]['format'] == 'default') {
 135            $field['display_settings'][$display_type]['format'] = 'video_plain';
 136          }
 137        }
 138        content_field_instance_update($field);
 139      }
 140    }
 141  }
 142  
 143  /**
 144   * filefield source support
 145   */
 146  function uploadfield_filefield_sources_widgets() {
 147    return array('uploadfield_widget');
 148  }