array(
'label' => t('Video Filter'),
'description' => t('This field stores URLs and settings to be '
. 'handled by the Video Filter module.'),
'settings' => array(),
'instance_settings' => array(
'max_height' => 400,
'max_width' => 400,
'autoplay' => 0,
),
'default_widget' => 'video_filter_field_default',
'default_formatter' => 'video_filter_field_default',
),
);
}
/**
* Implements magic callback / psuedo-hook mymodule_field_schema().
*/
function video_filter_field_field_schema($field) {
if ($field['type'] == 'video_filter') {
$schema['columns']['url'] = array(
'type' => 'varchar',
'length' => 255,
'not null' => FALSE,
);
$schema['columns']['height'] = array(
'type' => 'int',
'not null' => FALSE,
);
$schema['columns']['width'] = array(
'type' => 'int',
'not null' => FALSE,
);
$schema['columns']['autoplay'] = array(
'type' => 'int',
'not null' => FALSE,
);
$schema['indexes'] = array(
'height' => array('height'),
'width' => array('width'),
);
return $schema;
}
}
/**
* Implements magic callback / psuedo-hook mymodule_field_is_empty().
*/
function video_filter_field_field_is_empty($item, $field) {
if ($field['type'] == 'video_filter') {
if (empty($item['url']) && empty($item['height'])
&& empty($item['width']) && empty($item['autoplay']))
{
return TRUE;
} else {
return FALSE;
}
}
}
/**
* Implements magic callback / psuedo-hook mymodule_field_settings_form().
*/
/*
function video_filter_field_settings_form($field, $instance, $has_data) {
if ($field['type'] == 'video_filter') {
$settings = $field['setings'];
$form = '';
return $form;
}
}
// */
/**
* Implements hook_field_validate().
*/
function video_filter_field_field_validate($obj_type, $object, $field,
$instance, $langcode, &$items,
&$errors) {
if ($field['type'] == 'video_filter') {
foreach ($items as $delta => $item) {
// Test URL.
if (!empty($item['url'])) {
//$errors[$field['field_name']][$langcode][$delta][] = array(
// 'error' => 'video_filter_url',
// 'message' => t('Video Filter Field: Invalid video URL'),
//);
// If URL isn't empty, we need a height.
if (empty($item['height']) || !is_numeric($item['height'])) {
$errors[$field['field_name']][$langcode][$delta][] = array(
'error' => 'video_filter_height',
'message' => t('Video Filter Field: Invalid video height'),
);
}
// If URL isn't empty, we need a width.
if (empty($item['width']) || !is_numeric($item['width'])) {
$errors[$field['field_name']][$langcode][$delta][] = array(
'error' => 'video_filter_width',
'message' => t('Video Filter Field: Invalid video width'),
);
}
}
// URL field is empty. Set everything else to empty.
else {
unset($items);
unset($object->field_media_url);
}
}
}
}
/**
* Implements hook_field_widget_info().
*/
function video_filter_field_field_widget_info() {
return array(
'video_filter' => array(
'label' => t('Video Filter'),
'description' => t('Enable user to determine height, width, and autoplay settings'),
'field types' => array('video_filter'),
'behaviors' => array(
'multiple values' => FIELD_BEHAVIOR_DEFAULT,
'default value' => FIELD_BEHAVIOR_DEFAULT,
),
),
);
}
/**
* Implements hook_field_widget_form().
*/
function video_filter_field_field_widget_form(&$form, &$form_state, $field,
$instance, $langcode, $items,
$delta, $element) {
$base = $element;
//dsm($element);
//dsm($instance,' instance');
if ($instance['widget']['type'] == 'video_filter') {
$element['url'] = array(
'#type' => 'textfield',
'#title' => t('Video URL'),
'#default_value' => isset($items[$delta]['url']) ?
$items[$delta]['url'] : NULL,
'#weight' => 0,
) + $base;
$element['height'] = array(
'#type' => 'textfield',
'#title' => t('Height'),
'#default_value' => isset($items[$delta]['height']) ?
$items[$delta]['height'] : NULL,
'#weight' => 1,
) + $base;
$element['width'] = array(
'#type' => 'textfield',
'#title' => t('Width'),
'#default_value' => isset($items[$delta]['width']) ?
$items[$delta]['width'] : NULL,
'#weight' => 2,
) + $base;
$element['autoplay'] = array(
'#type' => 'checkbox',
'#title' => t('Autoplay'),
'#default_value' => isset($items[$delta]['autoplay']) ?
$items[$delta]['autoplay'] : FALSE,
'#weight' => 3,
) + $base;
}
return $element;
}
/**
* Implements hook_field_formatter_info().
*/
function video_filter_field_field_formatter_info() {
return array(
'video_filter_field_default' => array(
'label' => t('Video Filter'),
'field types' => array('text', 'video_filter'),
),
);
}
/**
* Implements hook_field_formatter_view().
*/
function video_filter_field_field_formatter_view($obj_type, $object, $field,
$instance, $langcode, $items,
$display) {
/*
dsm($obj_type, 'obj_type');
dsm($object, 'object');
dsm($field, 'field');
dsm($instance,'instance');
dsm($langcode,'langcode');
dsm($display,'display');
dsm($items,'items');
// */
$elements = array();
foreach ($items as $delta => $item) {
$url = url($item['url']);
$text = "[video:$url]";
$elements[$delta] = array(
'#theme' => 'video_filter_field_default_formatter',
'#item' => video_filter_field_process($text, $item),
);
}
return $elements;
}
/**
* Implements hook_theme().
*/
function video_filter_field_theme() {
return array(
'video_filter_field_default_formatter' => array(
'variables' => array('item' => NULL),
),
);
}
/**
* Returns HTML for a video_filter_field_formatter
*/
function theme_video_filter_field_default_formatter($variables) {
$output = '
' . $variables['item'] . '
';
return $output;
}
/**
* Implement video_filter processing from video_filter module.
*
* @see _video_filter_process()
*/
function video_filter_field_process($text, $video) {
$filter = new stdClass();
//$filter->format = '';
//$filter->module = 'video_filter';
//$filter->name = 'video_filter';
//$filter->weight = -1;
$filter->status = 1;
$filter->settings = array(
'video_filter_width' => 400,
'video_filter_height' => 400,
'video_filter_autoplay' => 0,
'video_filter_related' => 1,
);
# this added to avoid php 5.4 notice : array to string conversion
if(is_array($text)) $text = "";
$text = (string)$text; // Make sure $text is a string.
if (preg_match_all('/\[video(\:(.+))?( .+)?\]/isU', $text, $matches_code)) {
foreach ($matches_code[0] as $ci => $code) {
$video = (array)$video + array(
'source' => $matches_code[2][$ci],
'autoplay' => $filter->settings['video_filter_autoplay'],
'related' => $filter->settings['video_filter_related'],
);
// Pick random out of multiple sources separated by ','
if (strstr($video['source'], ',')) {
$sources = explode(',', $video['source']);
$random = array_rand($sources, 1);
$video['source'] = $sources[$random];
}
// Load all codecs
$codecs = module_invoke_all('codec_info');
// Find codec
foreach ($codecs AS $codec_name => $codec) {
if (!is_array($codec['regexp'])) {
$codec['regexp'] = array($codec['regexp']);
}
// Try different regular expressions
foreach ($codec['regexp'] as $delta => $regexp) {
if (preg_match($regexp, $video['source'], $matches)) {
$video['codec'] = $codec;
$video['codec']['delta'] = $delta;
$video['codec']['matches'] = $matches;
$video['codec']['codec_name'] = $codec_name; // used in theme function
$video['codec']['control_bar_height'] = 0; // default
break 2;
}
}
}
// Codec found
if (isset($video['codec'])) {
// Override default attributes
if ($matches_code[3][$ci] && preg_match_all('/\s+([a-zA-Z_]+)\:(\s+)?([0-9a-zA-Z\/]+)/i', $matches_code[3][$ci], $matches_attributes)) {
foreach ($matches_attributes[0] AS $ai => $attribute) {
$video[$matches_attributes[1][$ai]] = $matches_attributes[3][$ai];
}
}
// Use configured ratio if present, use that from the codec otherwise
$ratio = 1;
if (isset($video['ratio']) && preg_match('/(\d+)\/(\d+)/', $video['ratio'], $tratio) ) {
//validate given ratio parameter
$ratio = $tratio[1] / $tratio[2];
}
else {
$ratio = $video['codec']['ratio'];
}
// Sets video width & height after any user input has been parsed.
// First, check if user has set a width.
if (isset($video['width']) && !isset($video['height'])) {
$video['height'] = variable_get('video_filter_height_'.$format, 400);
}
// Else, if user has set height.
elseif (isset($video['height']) && !isset($video['width'])) {
$video['width'] = $video['height'] * $ratio;
}
// Maybe both?
elseif (isset($video['height']) && isset($video['width'])) {
$video['width'] = $video['width'];
$video['height'] = $video['height'];
}
// Fall back to defaults.
elseif (!isset($video['height']) && !isset($video['width'])) {
$video['width'] = $filter->settings['video_filter_width'];
$video['height'] = $filter->settings['video_filter_height'];
}
// Default value for control bar height
$control_bar_height = 0;
if (isset($video['control_bar_height'])) {
// respect control_bar_height option if present
$control_bar_height = $video['control_bar_height'];
}
elseif (isset($video['codec']['control_bar_height'])) {
// respect setting provided by codec otherwise
$control_bar_height = $video['codec']['control_bar_height'];
}
// Resize to fit within width and height repecting aspect ratio
if ($ratio) {
$scale_factor = min(array(($video['height']-$control_bar_height), $video['width']/($ratio)));
$video['height'] = round($scale_factor + $control_bar_height);
$video['width'] = round($scale_factor * $ratio);
}
$video['autoplay'] = (bool) $video['autoplay'];
$video['align'] = (isset($video['align']) && in_array($video['align'], array('left', 'right', 'center'))) ? $video['align'] : NULL;
if (is_callable($video['codec']['callback'], FALSE)) {
$replacement = call_user_func($video['codec']['callback'], $video);
}
else {
// Invalid callback
$replacement = '';
}
// Invalid format
}
else {
$replacement = '';
}
$text = str_replace($code, $replacement, $text);
}
}
return $text;
}
/**
* Test support for URL.
*
* @todo Implement hook_codec_info() to...
* - add support for whatever media module uses as an alternative to video_filter module.
* - add support for http://embed.ly/.
*
* @param $url
* string, URL which may or may not include media of some kind.
*
* @return
* TRUE, video_filter recognizes and supports media at this URL
* FALSE, video_filter doesn't recognize it. This could be either because
* the URL doesn't actually provide media or because we just doen't have
* the codec for it.
*/
function video_filter_field_url_is_supported($url) {
// Load all codecs
module_load_include('inc', 'video_filter', 'video_filter.codecs');
$codecs = module_invoke_all('codec_info');
// Find codec
foreach ($codecs AS $codec_name => $codec) {
if (!is_array($codec['regexp'])) {
$codec['regexp'] = array($codec['regexp']);
}
// Try different regular expressions
$video = array();
foreach ($codec['regexp'] as $delta => $regexp) {
if (preg_match($regexp, $url)) {
$video['codec'] = TRUE;
}
break;
}
break;
}
// If we found a codec, this URL is supported.
$is_supported = (isset($video['codec'])) ? TRUE : FALSE;
return $is_supported;
}