function image_field_widget_process
image_field_widget_process($element, &$form_state, $form)
An element #process callback for the image_image field type.
Expands the image_image type to include the alt and title fields.
File
- modules/image/image.field.inc, line 368
- Implement an image field, based on the file module's file field.
Code
function image_field_widget_process($element, &$form_state, $form) { $item = $element['#value']; $item['fid'] = $element['fid']['#value']; $instance = field_widget_instance($element, $form_state); $settings = $instance['settings']; $widget_settings = $instance['widget']['settings']; $element['#theme'] = 'image_widget'; $element['#attached']['css'][] = drupal_get_path('module', 'image') . '/image.css'; // Add the image preview. if ($element['#file'] && $widget_settings['preview_image_style']) { $variables = array( 'style_name' => $widget_settings['preview_image_style'], 'path' => $element['#file']->uri, ); // Determine image dimensions. if (isset($element['#value']['width']) && isset($element['#value']['height'])) { $variables['width'] = $element['#value']['width']; $variables['height'] = $element['#value']['height']; } else { $info = image_get_info($element['#file']->uri); if (is_array($info)) { $variables['width'] = $info['width']; $variables['height'] = $info['height']; } else { $variables['width'] = $variables['height'] = NULL; } } $element['preview'] = array( '#type' => 'markup', '#markup' => theme('image_style', $variables), ); // Store the dimensions in the form so the file doesn't have to be accessed // again. This is important for remote files. $element['width'] = array( '#type' => 'hidden', '#value' => $variables['width'], ); $element['height'] = array( '#type' => 'hidden', '#value' => $variables['height'], ); } // Add the additional alt and title fields. $element['alt'] = array( '#title' => t('Alternate text'), '#type' => 'textfield', '#default_value' => isset($item['alt']) ? $item['alt'] : '', '#description' => t('This text will be used by screen readers, search engines, or when the image cannot be loaded.'), // @see http://www.gawds.org/show.php?contentid=28 '#maxlength' => 512, '#weight' => -2, '#access' => (bool) $item['fid'] && $settings['alt_field'], ); $element['title'] = array( '#type' => 'textfield', '#title' => t('Title'), '#default_value' => isset($item['title']) ? $item['title'] : '', '#description' => t('The title is used as a tool tip when the user hovers the mouse over the image.'), '#maxlength' => 1024, '#weight' => -1, '#access' => (bool) $item['fid'] && $settings['title_field'], ); return $element; }
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https://api.drupal.org/api/drupal/modules!image!image.field.inc/function/image_field_widget_process/7.x