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<?php
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/**
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* @file
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* Field API integration for the file_entity module.
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*/
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/**
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* Implements hook_field_formatter_info().
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*/
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function file_entity_field_formatter_info() {
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$info['file_rendered'] = array(
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'label' => t('Rendered file'),
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'description' => t('Display the file in a specific view mode'),
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'field types' => array('file', 'image'),
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'settings' => array(
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'file_view_mode' => 'default',
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),
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'file formatter' => array(
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'hidden' => TRUE,
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),
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);
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$info['file_download_link'] = array(
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'label' => t('Download link'),
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'description' => t('Displays a link that will force the browser to download the file.'),
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'field types' => array('file', 'image'),
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'settings' => array(
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'text' => t('Download [file:name]'),
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),
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);
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$info['file_audio'] = array(
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'label' => t('Audio'),
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'description' => t('Render the file using an HTML5 audio tag.'),
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'field types' => array('file'),
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'settings' => array(
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'controls' => TRUE,
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'controls_list' => array(
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'download' => 'download',
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'remote_playback' => 'remote_playback',
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),
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'autoplay' => FALSE,
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'loop' => FALSE,
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'preload' => '',
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'multiple_file_behavior' => 'tags',
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),
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'file formatter' => array(
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'mime types' => array('audio/*'),
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),
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);
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$info['file_video'] = array(
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'label' => t('Video'),
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'description' => t('Render the file using an HTML5 video tag.'),
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'field types' => array('file'),
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'settings' => array(
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'controls' => TRUE,
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'controls_list' => array(
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'fullscreen' => 'fullscreen',
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'download' => 'download',
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'remote_playback' => 'remote_playback',
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),
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'autoplay' => FALSE,
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'playsinline' => FALSE,
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'loop' => FALSE,
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'muted' => FALSE,
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'width' => NULL,
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'height' => NULL,
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'preload' => '',
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'multiple_file_behavior' => 'tags',
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),
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'file formatter' => array(
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'mime types' => array('video/*'),
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),
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);
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return $info;
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}
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/**
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* Implements hook_field_formatter_info_alter().
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*/
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function file_entity_field_formatter_info_alter(&$info) {
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// Add descriptions to core formatters.
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$descriptions = array(
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'file_default' => t('Create a simple link to the file. The link is prefixed by a file type icon and the name of the file is used as the link text'),
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'file_table' => t('Build a two-column table where the first column contains a generic link to the file and the second column displays the size of the file.'),
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'file_url_plain' => t('Display a plain text URL to the file.'),
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'image' => t('Format the file as an image. The image can be displayed using an image style and can optionally be linked to the image file itself or its parent content.'),
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);
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foreach ($descriptions as $key => $description) {
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if (isset($info[$key]) && empty($info[$key]['description'])) {
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$info[$key]['description'] = $description;
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}
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}
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// Formatters that can be used for images but not files, should have a
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// default mimetype restriction added to the image/* mime type for use with
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// file formatters.
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foreach ($info as &$formatter) {
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if (!isset($formatter['file formatter']) && in_array('image', $formatter['field types']) && !in_array('file', $formatter['field types'])) {
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$formatter['file formatter']['mime types'] = array('image/*');
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}
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}
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}
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/**
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* Implements hook_field_formatter_settings_form().
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*/
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function file_entity_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) {
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$display = $instance['display'][$view_mode];
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$settings = $display['settings'];
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$element = array();
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if ($display['type'] == 'file_rendered') {
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$element['file_view_mode'] = array(
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'#title' => t('View mode'),
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'#type' => 'select',
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'#options' => file_entity_view_mode_labels(),
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'#default_value' => $settings['file_view_mode'],
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// Never empty, so no #empty_option
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);
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}
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elseif ($display['type'] == 'file_download_link') {
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$element['text'] = array(
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'#type' => 'textfield',
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'#title' => t('Link text'),
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'#description' => t('This field support tokens.'),
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'#default_value' => $settings['text'],
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'#required' => TRUE,
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);
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}
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elseif ($display['type'] == 'file_audio') {
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$element['controls'] = array(
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'#title' => t('Show audio controls'),
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'#type' => 'checkbox',
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'#default_value' => $settings['controls'],
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);
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$element['controls_list'] = array(
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'#title' => t('Controls list'),
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'#type' => 'checkboxes',
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'#options' => array(
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'download' => t('Download'),
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'remote_playback' => t('Remote playback'),
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),
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'#default_value' => $settings['controls_list'],
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'#description' => t("Customize native media controls such as the download and remoteplayback buttons. Valid only if above \"Show audio controls\" setting is enabled.<br>Please note that not all browsers support this feature. Only Chrome 58+ and Opera 45+ supports it."),
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);
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$element['autoplay'] = array(
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'#title' => t('Autoplay'),
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'#type' => 'checkbox',
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'#default_value' => $settings['autoplay'],
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);
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$element['loop'] = array(
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'#title' => t('Loop'),
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'#type' => 'checkbox',
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'#default_value' => $settings['loop'],
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);
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$element['preload'] = array(
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'#title' => t('Preload'),
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'#type' => 'select',
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'#default_value' => $settings['preload'],
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'#options' => drupal_map_assoc(array('none', 'auto', 'metadata')),
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'#empty_option' => 'unspecified',
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);
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$element['multiple_file_behavior'] = array(
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'#title' => t('Display of multiple files'),
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'#type' => 'radios',
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'#options' => array(
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'tags' => t('Use multiple @tag tags, each with a single source', array('@tag' => '<audio>')),
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'sources' => t('Use multiple sources within a single @tag tag', array('@tag' => '<audio>')),
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),
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'#default_value' => $settings['multiple_file_behavior'],
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// Hide this setting in the manage file display configuration.
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'#access' => !empty($field),
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);
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}
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elseif ($display['type'] == 'file_video') {
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$element['controls'] = array(
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'#title' => t('Show video controls'),
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'#type' => 'checkbox',
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'#default_value' => $settings['controls'],
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);
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$element['controls_list'] = array(
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'#title' => t('Controls list'),
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'#type' => 'checkboxes',
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'#options' => array(
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'fullscreen' => t('Fullscreen'),
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'download' => t('Download'),
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'remote_playback' => t('Remote playback'),
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),
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'#default_value' => $settings['controls_list'],
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'#description' => t("Customize native media controls such as the download, fullscreen and remoteplayback buttons. Valid only if above \"Show video controls\" setting is enabled.<br>Please note that not all browsers support this feature. Only Chrome 58+ and Opera 45+ supports it."),
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);
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$element['autoplay'] = array(
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'#title' => t('Autoplay'),
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'#type' => 'checkbox',
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'#default_value' => $settings['autoplay'],
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);
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$element['playsinline'] = array(
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'#title' => t('Plays inline'),
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'#type' => 'checkbox',
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'#default_value' => $settings['playsinline'],
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);
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$element['loop'] = array(
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'#title' => t('Loop'),
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'#type' => 'checkbox',
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'#default_value' => $settings['loop'],
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);
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$element['muted'] = array(
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'#title' => t('Muted'),
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'#type' => 'checkbox',
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'#default_value' => $settings['muted'],
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);
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$element['width'] = array(
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'#type' => 'textfield',
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'#title' => t('Width'),
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'#default_value' => $settings['width'],
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'#size' => 5,
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'#maxlength' => 5,
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'#field_suffix' => t('pixels'),
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);
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$element['height'] = array(
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'#type' => 'textfield',
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'#title' => t('Height'),
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'#default_value' => $settings['height'],
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'#size' => 5,
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'#maxlength' => 5,
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'#field_suffix' => t('pixels'),
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);
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$element['preload'] = array(
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'#title' => t('Preload'),
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'#type' => 'select',
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'#default_value' => $settings['preload'],
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'#options' => drupal_map_assoc(array('none', 'auto', 'metadata')),
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'#empty_option' => 'unspecified',
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);
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$element['multiple_file_behavior'] = array(
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'#title' => t('Display of multiple files'),
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'#type' => 'radios',
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'#options' => array(
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'tags' => t('Use multiple @tag tags, each with a single source', array('@tag' => '<video>')),
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'sources' => t('Use multiple sources within a single @tag tag', array('@tag' => '<video>')),
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),
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'#default_value' => $settings['multiple_file_behavior'],
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// Hide this setting in the manage file display configuration.
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'#access' => !empty($field),
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);
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}
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return $element;
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}
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251
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/**
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* Implements hook_field_formatter_settings_summary().
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254
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*/
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255
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function file_entity_field_formatter_settings_summary($field, $instance, $view_mode) {
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$display = $instance['display'][$view_mode];
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$settings = $display['settings'];
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$summary = array();
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if ($display['type'] === 'file_rendered') {
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$view_mode_label = file_entity_view_mode_label($settings['file_view_mode'], t('Unknown'));
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$summary[] = t('View mode: %mode', array('%mode' => $view_mode_label));
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}
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elseif ($display['type'] == 'file_download_link') {
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$summary[] = t('Link text: %text', array('%text' => $settings['text']));
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}
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elseif ($display['type'] === 'file_audio') {
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if (isset($settings['controls'])) {
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$summary[] = t('Controls: %controls', array('%controls' => $settings['controls'] ? 'visible' : 'hidden'));
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if (!empty($settings['controls_list'])) {
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$controls_list = array();
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foreach ($settings['controls_list'] as $key => $value) {
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if ($value) {
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$controls_list[] = ucfirst(str_replace('_', ' ', $key));
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}
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}
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if (!empty($controls_list)) {
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$summary[] = t('Controls list: %controls_list', array('%controls_list' => implode(', ', $controls_list)));
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}
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}
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}
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if (isset($settings['autoplay'])) {
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$summary[] = t('Autoplay: %autoplay', array('%autoplay' => $settings['autoplay'] ? t('yes') : t('no')));
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}
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285
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if (isset($settings['loop'])) {
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$summary[] = t('Loop: %loop', array('%loop' => $settings['loop'] ? t('yes') : t('no')));
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}
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288
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if (!empty($settings['preload'])) {
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$summary[] = t('Preload: %preload', array('%preload' => $settings['preload']));
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}
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291
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if (isset($settings['multiple_file_behavior'])) {
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$summary[] = t('Multiple files: %multiple', array('%multiple' => $settings['multiple_file_behavior']));
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}
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294
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}
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295
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elseif ($display['type'] === 'file_video') {
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if (isset($settings['controls'])) {
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$summary[] = t('Controls: %controls', array('%controls' => $settings['controls'] ? 'visible' : 'hidden'));
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298
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if (!empty($settings['controls_list'])) {
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299
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$controls_list = array();
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300
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foreach ($settings['controls_list'] as $key => $value) {
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301
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if ($value) {
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302
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$controls_list[] = ucfirst(str_replace('_', ' ', $key));
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303
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}
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304
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}
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305
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if (!empty($controls_list)) {
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306
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$summary[] = t('Controls list: %controls_list', array('%controls_list' => implode(', ', $controls_list)));
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307
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}
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308
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}
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309
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}
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310
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if (isset($settings['autoplay'])) {
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311
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$summary[] = t('Autoplay: %autoplay', array('%autoplay' => $settings['autoplay'] ? t('yes') : t('no')));
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}
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313
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if (isset($settings['playsinline'])) {
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314
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$summary[] = t('Plays inline: %playsinline', array('%playsinline' => $settings['playsinline'] ? t('yes') : t('no')));
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315
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}
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316
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if (isset($settings['loop'])) {
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317
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$summary[] = t('Loop: %loop', array('%loop' => $settings['loop'] ? t('yes') : t('no')));
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}
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if (isset($settings['muted'])) {
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$summary[] = t('Muted: %muted', array('%muted' => $settings['muted'] ? t('yes') : t('no')));
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}
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if ($settings['width'] && $settings['height']) {
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$summary[] = t('Size: %width x %height', array('%width' => $settings['width'], '%height' => $settings['height']));
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}
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if (!empty($settings['preload'])) {
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$summary[] = t('Preload: %preload', array('%preload' => $settings['preload']));
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}
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if (isset($settings['multiple_file_behavior'])) {
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$summary[] = t('Multiple files: %multiple', array('%multiple' => $settings['multiple_file_behavior']));
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}
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}
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332
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return implode('<br />', $summary);
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334
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}
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335
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336
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/**
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337
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* Implements hook_field_formatter_prepare_view().
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|
338
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*/
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339
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function file_entity_field_formatter_prepare_view($entity_type, $entities, $field, $instances, $langcode, &$items, $displays) {
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340
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// File and image fields set item values to NULL if a file cannot be loaded.
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341
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// Remove those empty items so we can simply iterate through $items normally
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342
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// in file_entity_field_formatter_view().
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343
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foreach (array_keys($entities) as $id) {
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344
|
$items[$id] = array_filter($items[$id]);
|
|
345
|
}
|
|
346
|
}
|
|
347
|
|
|
348
|
/**
|
|
349
|
* Implements hook_field_formatter_view().
|
|
350
|
*/
|
|
351
|
function file_entity_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
|
|
352
|
$element = array();
|
|
353
|
$settings = $display['settings'];
|
|
354
|
|
|
355
|
switch ($display['type']) {
|
|
356
|
case 'file_rendered':
|
|
357
|
foreach ($items as $delta => $item) {
|
|
358
|
if (!empty($item)) {
|
|
359
|
// The repeat-rendering protection may be disabled if necessary.
|
|
360
|
if (variable_get('file_entity_protect_repeated_render', TRUE)) {
|
|
361
|
// Protect ourselves from repeated rendering.
|
|
362
|
static $repeated_render_depth = array();
|
|
363
|
list($entity_id) = entity_extract_ids($entity_type, $entity);
|
|
364
|
$repeated_render_id = $entity_type . $entity_id . $field['field_name'] . $item['fid'];
|
|
365
|
if (isset($repeated_render_depth[$repeated_render_id])) {
|
|
366
|
$repeated_render_depth[$repeated_render_id]++;
|
|
367
|
}
|
|
368
|
else {
|
|
369
|
$repeated_render_depth[$repeated_render_id] = 1;
|
|
370
|
}
|
|
371
|
|
|
372
|
if ($repeated_render_depth[$repeated_render_id] > 20) {
|
|
373
|
watchdog(
|
|
374
|
'file_entity',
|
|
375
|
'Repeated rendering detected when rendering entity %entity_type: %entity_id, using the %field_name field. Aborting rendering.',
|
|
376
|
array(
|
|
377
|
'%entity_type' => 'file',
|
|
378
|
'%entity_id' => $item['fid'],
|
|
379
|
'%field_name' => $field['field_name'],
|
|
380
|
),
|
|
381
|
WATCHDOG_ERROR
|
|
382
|
);
|
|
383
|
return $element;
|
|
384
|
}
|
|
385
|
}
|
|
386
|
|
|
387
|
$file = file_load($item['fid']);
|
|
388
|
if (isset($item['display'])) {
|
|
389
|
$file->display = $item['display'];
|
|
390
|
}
|
|
391
|
if (isset($item['description'])) {
|
|
392
|
$file->description = $item['description'];
|
|
393
|
}
|
|
394
|
|
|
395
|
// Add some references to the referencing entity.
|
|
396
|
// @see https://www.drupal.org/node/2333107
|
|
397
|
$file->referencing_entity = $entity;
|
|
398
|
$file->referencing_entity_type = $entity_type;
|
|
399
|
$file->referencing_field = $field['field_name'];
|
|
400
|
|
|
401
|
// Prevent recursion by checking if the referencing entity is itself
|
|
402
|
// do not display it again (return an empty array).
|
|
403
|
// This senario is created a few lines below when file_view is called
|
|
404
|
// it returns an array containing a referncing entity that is itself.
|
|
405
|
// This is likely treating the symptom and not the root cause which is
|
|
406
|
// probably buried in some hook_file_view() setting the referencing
|
|
407
|
// entity.
|
|
408
|
if (!empty($entity->fid) && $entity->fid === $item['fid']) {
|
|
409
|
return $element;
|
|
410
|
}
|
|
411
|
// Untranslatable fields are rendered with no language code, fall back
|
|
412
|
// to the content language in that case.
|
|
413
|
$element[$delta] = file_view($file, $settings['file_view_mode'], $langcode !== LANGUAGE_NONE ? $langcode : NULL);
|
|
414
|
} else {
|
|
415
|
watchdog(
|
|
416
|
'file_entity',
|
|
417
|
'In the %referencing_entity_type, the %field_name field refers to a %entity_type which does not exist. Aborting the render for it.',
|
|
418
|
array(
|
|
419
|
'%referencing_entity_type' => $entity_type,
|
|
420
|
'%field_name' => $field['field_name'],
|
|
421
|
'%entity_type' => 'file',
|
|
422
|
),
|
|
423
|
WATCHDOG_ERROR
|
|
424
|
);
|
|
425
|
}
|
|
426
|
}
|
|
427
|
break;
|
|
428
|
|
|
429
|
case 'file_download_link':
|
|
430
|
// Prevent 'empty' fields from causing a WSOD.
|
|
431
|
$items = array_filter($items);
|
|
432
|
foreach ($items as $delta => $item) {
|
|
433
|
if (!empty($item['fid']) && ($file = file_load($item['fid'])) && file_entity_access('download', $file)) {
|
|
434
|
if (isset($item['display'])) {
|
|
435
|
$file->display = $item['display'];
|
|
436
|
}
|
|
437
|
if (isset($item['description'])) {
|
|
438
|
$file->description = $item['description'];
|
|
439
|
}
|
|
440
|
$element[$delta] = array(
|
|
441
|
'#theme' => 'file_entity_download_link',
|
|
442
|
'#file' => $file,
|
|
443
|
'#text' => $settings['text'],
|
|
444
|
);
|
|
445
|
}
|
|
446
|
}
|
|
447
|
break;
|
|
448
|
|
|
449
|
case 'file_audio':
|
|
450
|
$multiple_file_behavior = $settings['multiple_file_behavior'];
|
|
451
|
|
|
452
|
// Build an array of sources for each <audio> element.
|
|
453
|
$source_lists = array();
|
|
454
|
if ($multiple_file_behavior == 'tags') {
|
|
455
|
foreach ($items as $delta => $item) {
|
|
456
|
if (file_entity_file_get_mimetype_type($item) == 'audio') {
|
|
457
|
$source_lists[$delta] = array($item);
|
|
458
|
}
|
|
459
|
}
|
|
460
|
}
|
|
461
|
else {
|
|
462
|
foreach ($items as $delta => $item) {
|
|
463
|
if (file_entity_file_get_mimetype_type($item) == 'audio') {
|
|
464
|
$source_lists[0][$delta] = $item;
|
|
465
|
}
|
|
466
|
}
|
|
467
|
}
|
|
468
|
|
|
469
|
// Render each source list as an <audio> element.
|
|
470
|
foreach ($source_lists as $delta => $sources) {
|
|
471
|
$element[$delta] = array(
|
|
472
|
'#theme' => 'file_entity_file_audio',
|
|
473
|
'#files' => $sources,
|
|
474
|
'#controls' => $settings['controls'],
|
|
475
|
'#controls_list' => $settings['controls_list'],
|
|
476
|
'#autoplay' => $settings['autoplay'],
|
|
477
|
'#loop' => $settings['loop'],
|
|
478
|
'#preload' => $settings['preload'],
|
|
479
|
);
|
|
480
|
}
|
|
481
|
break;
|
|
482
|
|
|
483
|
case 'file_video':
|
|
484
|
$multiple_file_behavior = $settings['multiple_file_behavior'];
|
|
485
|
|
|
486
|
// Build an array of sources for each <video> element.
|
|
487
|
$source_lists = array();
|
|
488
|
if ($multiple_file_behavior == 'tags') {
|
|
489
|
foreach ($items as $delta => $item) {
|
|
490
|
if (file_entity_file_get_mimetype_type($item) == 'video') {
|
|
491
|
$source_lists[$delta] = array($item);
|
|
492
|
}
|
|
493
|
}
|
|
494
|
}
|
|
495
|
else {
|
|
496
|
foreach ($items as $delta => $item) {
|
|
497
|
if (file_entity_file_get_mimetype_type($item) == 'video') {
|
|
498
|
$source_lists[0][$delta] = $item;
|
|
499
|
}
|
|
500
|
}
|
|
501
|
}
|
|
502
|
|
|
503
|
// Render each source list as an <video> element.
|
|
504
|
foreach ($source_lists as $delta => $sources) {
|
|
505
|
$element[$delta] = array(
|
|
506
|
'#theme' => 'file_entity_file_video',
|
|
507
|
'#files' => $sources,
|
|
508
|
'#controls' => $settings['controls'],
|
|
509
|
'#controls_list' => $settings['controls_list'],
|
|
510
|
'#autoplay' => $settings['autoplay'],
|
|
511
|
'#playsinline' => $settings['playsinline'],
|
|
512
|
'#loop' => $settings['loop'],
|
|
513
|
'#muted' => $settings['muted'],
|
|
514
|
'#width' => $settings['width'],
|
|
515
|
'#height' => $settings['height'],
|
|
516
|
'#preload' => $settings['preload'],
|
|
517
|
);
|
|
518
|
}
|
|
519
|
break;
|
|
520
|
}
|
|
521
|
|
|
522
|
return $element;
|
|
523
|
}
|
