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- <?php
- /**
- * Implements hook_theme().
- */
- function video_embed_field_overlay_theme() {
- return array(
- 'video_embed_field_overlay' => array(
- 'variables' => array(
- 'show_thumbnail' => TRUE,
- 'thumbnail_path' => NULL,
- 'description' => NULL,
- 'image_style' => NULL,
- 'video_url' => NULL,
- 'video_style' => 'normal',
- ),
- ),
- );
- }
- /**
- * Implements hook_field_formatter_info().
- */
- function video_embed_field_overlay_field_formatter_info() {
- return array(
- 'video_embed_field_overlay' => array(
- 'label' => t('Overlay'),
- 'field types' => array('video_embed_field'),
- 'settings' => array(
- 'show_thumbnail' => TRUE,
- 'video_style' => 'normal',
- 'image_style' => image_style_load('video_thumbnail') ? 'video_thumbnail' : 'none',
- 'description' => 1,
- 'overlay' => 'dom-window'),
- ),
- );
- }
- /**
- * Implements hook_field_formatter_settings_form().
- */
- function video_embed_field_overlay_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) {
- $display = $instance['display'][$view_mode];
- $settings = $display['settings'];
- $element = array();
- if ($display['type'] == 'video_embed_field_overlay') {
- // Video style
- $video_styles = video_embed_field_video_style_options(FALSE);
- $element['video_style'] = array(
- '#title' => t('Video style'),
- '#type' => 'select',
- '#default_value' => $settings['video_style'],
- '#options' => $video_styles,
- );
- // Show an image?
- $element['show_thumbnail'] = array(
- '#title' => t('Show thumbnail'),
- '#type' => 'select',
- '#options' => array(1 => t('Yes'), 0 => t('No')),
- '#default_value' => $settings['show_thumbnail'],
- );
- // Image style
- $element['image_style'] = array(
- '#title' => t('Image style'),
- '#type' => 'select',
- '#options' => image_style_options(FALSE),
- '#default_value' => $settings['image_style'],
- '#empty_option' => t('None (original image)'),
- );
- // Overlay library
- $element['overlay'] = array(
- '#title' => t('Overlay Library:'),
- '#type' => 'select',
- '#options' => array('dom-window' => t('DOM Window')),
- '#default_value' => $settings['overlay'],
- );
- }
- return $element;
- }
- /**
- * Implements hook_field_formatter_settings_summary().
- */
- function video_embed_field_overlay_field_formatter_settings_summary($field, $instance, $view_mode) {
- $display = $instance['display'][$view_mode];
- $settings = $display['settings'];
- $summary = array();
- if ($display['type'] == 'video_embed_field_overlay') {
- // Video style
- $video_styles = video_embed_field_video_style_options(FALSE);
- // Styles could be lost because of enabled/disabled modules that defines
- // their styles in code.
- if (isset($video_styles[$settings['video_style']])) {
- $summary[] = t('Video style: @style', array('@style' => $video_styles[$settings['video_style']]));
- }
- // Display thumbnail?
- if (isset($settings['show_thumbnail']) && $settings['show_thumbnail'] == TRUE) {
- $summary[] = t('Link: Showing thumbnail in link.');
- }
- else {
- $summary[] = t('Link: Showing plain-text link.');
- }
- // Image style
- $image_styles = image_style_options(FALSE);
- if (isset($image_styles[$settings['image_style']])) {
- $summary[] = t('Image style: @style', array('@style' => $image_styles[$settings['image_style']]));
- } //No Image style (original image)
- else {
- $summary[] = t('Original Image.');
- }
- // Overlay
- // @TODO: extend this to use a list of available overlay libraries.
- if (isset($settings['overlay'])) {
- $summary[] = t('Overlay Library: @overlay.', array('@overlay' => 'DOM Window'));
- }
- else {
- $summary[] = t('Overlay Library: @overlay.', array('@overlay' => 'DOM Window'));
- }
- }
- return implode('<br />', $summary);
- }
- /**
- * Implements hook_field_formatter_view().
- */
- function video_embed_field_overlay_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
- $element = array();
- foreach ($items as $delta => $item) {
- if ($display['type'] == 'video_embed_field_overlay') {
- if (!isset($item['description']) || empty($item['description'])) {
- $item['description'] = t('Play video');
- }
- $element[$delta] = array(
- '#theme' => 'video_embed_field_overlay',
- '#thumbnail_path' => $item['thumbnail_path'],
- '#image_style' => $display['settings']['image_style'],
- '#video_url' => $item['video_url'],
- '#description' => $item['description'],
- '#show_thumbnail' => $display['settings']['show_thumbnail'],
- '#video_style' => $display['settings']['video_style'],
- '#attached' => array(
- 'css' => array(
- drupal_get_path('module', 'video_embed_field_overlay') . '/css/video_embed_field_overlay.css',
- ),
- ),
- );
- if (video_embed_field_overlay_library_exists()) {
- $element[$delta]['#attached']['library'] = array(array('domwindow', 'domwindow'));
- $element[$delta]['#attached']['js'] = array(drupal_get_path('module', 'video_embed_field_overlay') . '/js/video_embed_field_overlay.js');
- drupal_add_js(array(
- 'video_embed_field_overlay' => array(
- 'path' => drupal_get_path('module', 'video_embed_field_overlay'),
- ),
- ), 'setting');
- }
- else {
- drupal_set_message(t('DOM Window library was not found.'), 'warning');
- }
- }
- }
- return $element;
- }
- /**
- * Theme function wraps a video_embed_field element in an overlay
- */
- function theme_video_embed_field_overlay(&$variables) {
- $output = '';
- if (isset($variables['show_thumbnail']) && $variables['show_thumbnail'] == TRUE) {
- if (isset($variables['image_style']) && $variables['image_style']) {
- $thumbnail = theme('image_style', array(
- 'path' => $variables['thumbnail_path'],
- 'style_name' => $variables['image_style']));
- }
- else {
- $thumbnail = theme('image', array(
- 'path' => $variables['thumbnail_path'],
- 'alt' => $variables['description'],
- ));
- }
- }
- if (!isset($thumbnail) || empty($thumbnail)) {
- $link = l($variables['description'], $variables['video_url'], array(
- 'attributes' => array(
- 'class' => array('overlay'),
- 'title' => $variables['description'],
- ),
- 'html' => TRUE,
- ));
- }
- else {
- $link = l($thumbnail, $variables['video_url'], array(
- 'attributes' => array(
- 'class' => array('overlay'),
- ),
- 'html' => TRUE,
- ));
- }
- if (!isset($variables['video_style']) || empty($variables['video_style'])) {
- $variables['video_style'] = 'normal';
- }
- $embed_code = theme('video_embed_field_embed_code', array(
- 'url' => $variables['video_url'],
- 'style' => $variables['video_style'],
- ));
- $output .= '<div class="video-overlay">';
- $output .= ' <div class="video-overlay-thumbnail">';
- $output .= ' ' . $link;
- $output .= ' </div>';
- $output .= ' <div class="video-overlay-source">';
- $output .= ' ' . $embed_code;
- $output .= ' </div>';
- $output .= '</div>';
- return $output;
- }
- /**
- * Implements hook_image_default_styles().
- */
- function video_embed_field_overlay_image_default_styles() {
- $styles = array();
- // Exported image style: video_thumbnail
- $styles['video_thumbnail'] = array(
- 'name' => 'video_thumbnail',
- 'effects' => array(
- 1 => array(
- 'label' => 'Scale and crop',
- 'help' => 'Scale and crop will maintain the aspect-ratio of the original image, then crop the larger dimension. This is most useful for creating perfectly square thumbnails without stretching the image.',
- 'effect callback' => 'image_scale_and_crop_effect',
- 'dimensions callback' => 'image_resize_dimensions',
- 'form callback' => 'image_resize_form',
- 'summary theme' => 'image_resize_summary',
- 'module' => 'image',
- 'name' => 'image_scale_and_crop',
- 'data' => array(
- 'width' => '510',
- 'height' => '290',
- ),
- 'weight' => '1',
- ),
- ),
- );
- // If the user has enabled the imagecache_canvasactions module, use it.
- // @see http://drupal.org/project/imagecache_actions
- if (module_exists('imagecache_canvasactions')) {
- $styles['video_thumbnail']['effects'][] = array(
- 'label' => 'Overlay (watermark)',
- 'help' => 'Choose the file image you wish to use as an overlay, and position it in a layer on top of the canvas.',
- 'effect callback' => 'canvasactions_file2canvas_image',
- 'form callback' => 'canvasactions_file2canvas_form',
- 'summary theme' => 'canvasactions_file2canvas_summary',
- 'module' => 'imagecache_canvasactions',
- 'name' => 'canvasactions_file2canvas',
- 'data' => array(
- 'xpos' => 'center',
- 'ypos' => 'center',
- 'alpha' => '100',
- // 'path' => drupal_get_path('module', 'video_embed_field_overlay') . '/images/video_overlay.png',
- 'path' => 'module://video_embed_field_overlay/images/video_overlay.png',
- ),
- 'weight' => '2',
- );
- }
- return $styles;
- }
- /**
- * Implements hook_modules_enabled().
- */
- function video_embed_field_overlay_modules_enabled($modules) {
- if (in_array('imagecache_canvasactions', $modules)) {
- drupal_static_reset('image_effect_definitions');
- $style = image_style_load('video_thumbnail');
- if ($style) {
- image_default_style_revert($style);
- drupal_set_message(t('Video Thumbnail image style has been reverted to its original state and the overlay action has been added.'));
- image_flush_caches();
- }
- }
- }
- /**
- * Helper function that checks if the domwindow library is present.
- */
- function video_embed_field_overlay_library_exists() {
- $libraries = array();
- if (empty($libraries)) {
- $libraries = libraries_get_libraries();
- }
- return array_key_exists('jquery.domwindow', $libraries);
- }
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