/**
* A display name handler for media works
*
* Includes a thumbnail of the work's placard image as part of the display name
*
* @param mixed $id Reason ID or entity
* @return string
*/
function reason_media_work_display_name_handler($id)
{
if (!is_object($id)) {
$e = new entity($id);
} else {
$e = $id;
}
if ($e->get_value('transcoding_status') == 'converting' || $e->get_value('transcoding_status') == 'finalizing') {
return '<img src="' . REASON_HTTP_BASE_PATH . 'ui_images/spinner_16.gif" width="16" height="16" alt="Converting" /> ' . $e->get_value('name');
}
if ($e->get_value('transcoding_status') == 'error') {
return '<img src="' . REASON_HTTP_BASE_PATH . 'silk_icons/error.png" width="16" height="16" alt="Error" /> ' . $e->get_value('name');
}
if ($e->get_value('transcoding_status') && ($images = $e->get_left_relationship('av_to_primary_image'))) {
$image = current($images);
if ($path = reason_get_image_path($image, 'thumbnail')) {
if (file_exists($path)) {
if ($size = getimagesize($path)) {
return '<img src="' . htmlspecialchars(reason_get_image_url($image, 'thumbnail'), ENT_QUOTES) . '" width="' . round($size[0] / 2) . '" height="' . round($size[1] / 2) . '" alt="' . reason_htmlspecialchars(strip_tags($image->get_value('description'))) . '" /> ' . $e->get_value('name');
}
}
}
}
switch ($e->get_value('av_type')) {
case 'Audio':
return '<img src="' . REASON_HTTP_BASE_PATH . 'silk_icons/sound.png" width="16" height="16" alt="Audio" /> ' . $e->get_value('name');
case 'Video':
return '<img src="' . REASON_HTTP_BASE_PATH . 'silk_icons/television.png" width="16" height="16" alt="Video" /> ' . $e->get_value('name');
default:
return $e->get_value('name');
}
}
function run()
{
if ($this->media_work->get_value('integration_library') == 'kaltura') {
// Kill the module if the media work is somehow not a media work video
if ($this->media_work->get_value('av_type') != 'Video' || $this->admin_page->type_id != id_of('av')) {
die('<p>This module only works with Media Works whose av_type is \'Video\'.</p>');
}
// Kill the module if the user doesn't have access to the video
$mwh = new media_work_helper($this->media_work);
if (!$mwh->user_has_access_to_media()) {
die('<p>You do not have permissions to change the still frame for this video.</p>');
}
if ($this->cur_image) {
echo '<p>This Media Work\'s current placard image is displayed below:</p>' . "\n";
echo '<img src="' . reason_get_image_url($this->cur_image) . '">' . "\n";
echo '<hr />' . "\n";
$choose_img_link = carl_make_redirect(array('cur_module' => 'Associator', 'rel_id' => relationship_id_of('av_to_primary_image')));
echo '<h4><a href="' . $choose_img_link . '">Choose your own image.</a></h4>' . "\n";
echo '<h3>OR</h3>' . "\n";
echo '<h4>Use the slider below to choose a different still frame from the video to use as its placard image.</h4>' . "\n";
} else {
echo '<h4>Choose your own image to use as its placard image.</h4>' . "\n";
echo '<h2>OR</h2>' . "\n";
echo '<h4>Use the slider below to choose a still frame from the video to use as its placard image.</h4>' . "\n";
}
$this->run_form();
} else {
die('<p>This module only applies to kaltura-integrated Media Works.</p>');
}
}
function show_list_item($item)
{
if ($item->get_value('content')) {
$caption = $item->get_value('content');
} else {
$caption = $item->get_value('description');
}
if ($this->params['width'] || $this->params['height']) {
$rsi = new reasonSizedImage();
$rsi->set_id($item->id());
if ($this->params['height']) {
$rsi->set_height($this->params['height']);
}
if ($this->params['width']) {
$rsi->set_width($this->params['width']);
}
if ($this->params['crop']) {
$rsi->set_crop_style($this->params['crop']);
}
$image_url = $rsi->get_url();
$width = $rsi->get_image_width();
$height = $rsi->get_image_height();
} else {
$image_url = reason_get_image_url($item) . '?cb=' . urlencode($item->get_value('last_modified'));
$width = $item->get_value('width');
$height = $item->get_value('height');
}
echo '<li>';
if (empty($this->textonly)) {
echo '<img src="' . $image_url . '" width="' . $width . '" height="' . $height . '" alt="' . htmlspecialchars(strip_tags($item->get_value('description')), ENT_QUOTES) . '" />';
if ($this->params['show_captions']) {
echo '<div class="caption">' . $caption . '</div>' . "\n";
}
if ($this->params['show_authors'] && $item->get_value('author')) {
echo '<div class="author">Photo: ' . $item->get_value('author') . '</div>' . "\n";
}
} else {
echo '<a href="' . $image_url . '" title="View image">' . $caption . '</a>' . "\n";
}
echo '</li>' . "\n";
}
/**
* A display name handler for features
*
* Includes a thumbnail of one of the feature's images as part of the display name
*
* @param mixed $id Reason ID or entity
* @return string
*/
function reason_feature_display_name_handler($id)
{
if (!is_object($id)) {
$e = new entity($id);
} else {
$e = $id;
}
if ($images = $e->get_left_relationship('feature_to_image')) {
$image = reset($images);
if ($path = reason_get_image_path($image, 'thumbnail')) {
if (file_exists($path)) {
if ($size = getimagesize($path)) {
return '<img src="' . htmlspecialchars(reason_get_image_url($image, 'thumbnail'), ENT_QUOTES) . '" width="' . round($size[0] / 2) . '" height="' . round($size[1] / 2) . '" alt="' . reason_htmlspecialchars(strip_tags($image->get_value('description'))) . '" /> ' . $e->get_value('name');
}
}
}
} elseif ($media = $e->get_left_relationship('feature_to_media_work')) {
$m = reset($media);
$images = $m->get_left_relationship('av_to_primary_image');
if (!empty($images)) {
$image = reset($images);
if ($path = reason_get_image_path($image, 'thumbnail')) {
if (file_exists($path)) {
if ($size = getimagesize($path)) {
return '<img src="' . htmlspecialchars(reason_get_image_url($image, 'thumbnail'), ENT_QUOTES) . '" width="' . round($size[0] / 2) . '" height="' . round($size[1] / 2) . '" alt="' . reason_htmlspecialchars(strip_tags($image->get_value('description'))) . '" /> ' . $e->get_value('name');
}
}
}
}
switch ($m->get_value('av_type')) {
case 'Audio':
return '<img src="' . REASON_HTTP_BASE_PATH . 'silk_icons/sound.png" width="16" height="16" alt="Audio" /> ' . $e->get_value('name');
case 'Video':
return '<img src="' . REASON_HTTP_BASE_PATH . 'silk_icons/television.png" width="16" height="16" alt="Video" /> ' . $e->get_value('name');
}
}
return $e->get_value('name');
}
function run()
{
// Kill the module if the media work is somehow not a media work video
if ($this->media_work->get_value('integration_library') != 'zencoder' || $this->media_work->get_value('av_type') != 'Video' || $this->admin_page->type_id != id_of('av')) {
die('<p>This module only works with Zencoder-integrated Media Works whose av_type is \'Video\'.</p>');
}
// Kill the module if the user doesn't have access to the video
$mwh = new media_work_helper($this->media_work);
if (!$mwh->user_has_access_to_media()) {
die('<p>You do not have permissions to change the still frame for this video.</p>');
}
if (count($this->get_images()) == 0) {
die('<p>There are no thumbnails for this media work. Attach an image to this media work if you want to assign it a thumbnail.</p>' . "\n");
}
if ($this->cur_image) {
echo '<p>This Media Work\'s current thumbnail is displayed below:</p>' . "\n";
echo '<img src="' . reason_get_image_url($this->cur_image) . '">' . "\n";
echo '<hr />' . "\n";
$choose_img_link = carl_make_redirect(array('cur_module' => 'Associator', 'rel_id' => relationship_id_of('av_to_primary_image')));
echo '<h4><a href="' . $choose_img_link . '">Choose your own image.</a></h4>' . "\n";
echo '<h3>OR</h3>' . "\n";
echo '<h4>Use the slider below to choose a different still frame from the video to use as its thumbnail.</h4>' . "\n";
} else {
echo '<h4>Choose your own image to use as its placard image.</h4>' . "\n";
echo '<h2>OR</h2>' . "\n";
echo '<h4>Use the slider below to choose a still frame from the video to use as its thumbnail.</h4>' . "\n";
}
if (count($this->get_images()) > 1) {
echo '<p>There are ' . count($this->get_images()) . ' images to choose from.</p>' . "\n";
} elseif (count($this->get_images()) == 1) {
echo '<p>There is only one image to choose from.</p>' . "\n";
} else {
echo '<p>There are no images to choose from.</p>' . "\n";
}
// provide data for javascript magic
echo $this->get_js_data();
$this->run_form();
}
/**
* Add basic metadata using the open graph protocol (http://ogp.me/).
*
* This should improve how shared items appear on facebook and possibly other social networks.
*
* @todo add integration with propietary tags for specific social networks.
*/
function _add_open_graph_tags_for_item()
{
$item = new entity($this->current_item_id);
if (reason_is_entity($item, 'news'))
{
$title = htmlspecialchars(trim(strip_tags($item->get_value('release_title'))),ENT_QUOTES,'UTF-8');
$description = htmlspecialchars(trim(str_replace(' ', '', strip_tags($item->get_value('description')))),ENT_QUOTES,'UTF-8');
if (empty($description)) // lets look to the content field if description is missing.
{
$content = htmlspecialchars(trim(str_replace(' ', '', strip_tags($item->get_value('content')))),ENT_QUOTES,'UTF-8');
if (!empty($content))
{
$words = explode(' ', $content, 31);
unset($words[count($words)-1]);
$description = implode(' ', $words).'…';
}
}
$url = carl_construct_link(array(''), array('story_id', 'issue_id', 'section_id'));
if ($teaser = $this->get_teaser_image($item))
{
$teaser = reset($teaser);
$image_urls[] = reason_get_image_url($teaser);
}
elseif ($images = $this->get_item_images($item))
{
foreach ($images as $image)
{
$image_urls[] = reason_get_image_url($image);
}
}
$site = $this->get_site_entity();
if ($site) $site_name = htmlspecialchars(trim(strip_tags($site->get_value('name'))),ENT_QUOTES,'UTF-8');
$head_items =& $this->get_head_items();
$head_items->add_head_item('meta',array( 'property' => 'og:type', 'content' => 'article'));
$head_items->add_head_item('meta',array( 'property' => 'og:title', 'content' => $title));
$head_items->add_head_item('meta',array( 'property' => 'og:url', 'content' => $url));
if (!empty($description)) $head_items->add_head_item('meta',array( 'property' => 'og:description', 'content' => $description));
if (!empty($image_urls))
{
foreach ($image_urls as $image_url)
{
$head_items->add_head_item('meta',array( 'property' => 'og:image', 'content' => 'http://'.$_SERVER['HTTP_HOST'].$image_url));
if (HTTPS_AVAILABLE) $head_items->add_head_item('meta',array( 'property' => 'og:image:secure_url', 'content' => 'https://'.$_SERVER['HTTP_HOST'].$image_url));
}
}
if (!empty($site_name)) $head_items->add_head_item('meta',array( 'property' => 'og:site_name', 'content' => $site_name));
}
}
/**
* Returns an array of image info for the given images.
* @param array $images array of image entities
* @param string $crop Crop style for the reason sized image. May be either 'fill' or 'fit'
* @param int $max_height The maximum height of the slideshow
* @param int $max_width The maximum width of the slideshow
* @return array Each element of the array is an associative array with the folowing keys: description, height, width, url
*/
function get_slideshow_images_info($images, $crop, $max_height, $max_width)
{
$images_info = array();
foreach ($images as $image)
{
$img_description = $image->get_value('description');
$img_content = $image->get_value('content');
$img_author = $image->get_value('author');
$img_height = $image->get_value('height');
$img_width = $image->get_value('width');
//Check if making a reason sized image is necessary.
//if ($img_height <= $max_height && $img_width <= $max_width && !$this->params['force_image_enlargement'])
//{
// $img_url = reason_get_image_url($image);
//}
if (0 != $this->params['height'] or 0 != $this->params['width'])
{
$rsi = new reasonSizedImage();
$rsi->set_id($image->id());
$rsi->set_width($max_width);
$rsi->set_height($max_height);
//$rsi->allow_enlarge($this->params['force_image_enlargement']);
if (!empty($crop)) $rsi->set_crop_style($crop);
$img_url = $rsi->get_url();
$img_height = $rsi->get_image_height();
$img_width = $rsi->get_image_width();
}
else
{
$img_url = reason_get_image_url($image);
}
$images_info[] = array('description' => $img_description, 'content' => $img_content, 'author' => $img_author, 'height' => $img_height, 'width' => $img_width, 'url' => $img_url);
}
return $images_info;
}
private function _get_poster_image_url()
{
$es = new entity_selector();
$es->add_type(id_of('image'));
$es->add_right_relationship($this->media_work->id(), relationship_id_of('av_to_primary_image'));
$results = $es->run_one();
if (!empty($results)) {
$primary_image = current($results);
return reason_get_image_url($primary_image);
} else {
return false;
}
}
function init_avs()
{
//now get an av, if it exists
$fh = new Feature_Helper();
$id = $this->get_value('id');
$av_ids = null;
$results_array = $fh->get_avs_associated_with_feature($id);
if (!empty($results_array)) {
foreach ($results_array as $r) {
$tmp = $r->get_value('av_id');
if (is_array($tmp)) {
$av_ids = $tmp;
} else {
if ($tmp != "none") {
$av_ids = array(0 => $tmp);
} else {
$av_ids = array(0 => "none");
}
}
}
} else {
$av_ids = array(0 => "none");
}
$this->av_ids = $av_ids;
$av_html = array();
$av_img_url = array();
$av_img_alt = array();
$av_thumbnail_urls = array();
$av_img_ids = array();
$av_types = array();
foreach ($av_ids as $id) {
if ($id != "none") {
$av_info = $fh->get_av_info($id, $this->width, $this->height);
$av_html[] = htmlspecialchars($av_info['av_html'], ENT_QUOTES);
$av_img_url[] = $av_info['av_img_url'];
$av_img_alt[] = $av_info['av_img_alt'];
if ($av_info['av_img_id'] != "none") {
$av_thumbnail_urls[] = reason_get_image_url($av_info['av_img_id'], 'thumbnail');
$av_img_ids[] = $av_info['av_img_id'];
} else {
$av_thumbnail_urls[] = $av_info['av_img_url'];
$av_img_ids[] = "none";
}
$av_types[] = $av_info['type'];
//pray($av_info);
} else {
$av_img_url[] = "none";
$av_img_alt[] = "";
$av_thumbnail_urls[] = "none";
$av_img_ids[] = "none";
$av_types[] = "none";
}
}
$this->av_image_urls = $av_img_url;
$this->av_image_alts = $av_img_alt;
$this->av_thumbnail_urls = $av_thumbnail_urls;
$this->av_img_ids = $av_img_ids;
$this->av_types = $av_types;
}
/**
* Get custom computed values for an image
* @access private
* @param object (entity) $e
* @param string $indent
* @return array lines
*/
function _get_custom_values_for_image($e, $indent)
{
$lines = array();
$lines[] = $indent . '<value name="url" type="computed">' . htmlspecialchars(reason_get_image_url($e)) . '</value>';
$lines[] = $indent . '<value name="thumb_url" type="computed">' . htmlspecialchars(reason_get_image_url($e, 'thumbnail')) . '</value>';
return $lines;
}
/**
* Returns an array of image info for the given images.
* @param string $crop Crop style for the reason sized image. May be either 'fill' or 'fit'
* @return array Each element of the array is an associative array with the folowing keys: description, height, width, url
*/
function getSlideshowImageInfo()
{
$crop = $this->getParam('crop', '');
$imageInfo = array();
foreach ($this->images as $image) {
$imgDescription = $image->get_value('description');
$imgContent = $image->get_value('content');
$imgAuthor = $image->get_value('author');
$imgHeight = $image->get_value('height');
$imgWidth = $image->get_value('width');
if (0 != $this->maxHeight || 0 != $this->maxWidth) {
$rsi = new reasonSizedImage();
$rsi->set_id($image->id());
$rsi->set_width($this->maxWidth);
$rsi->set_height($this->maxHeight);
if (!empty($crop)) {
$rsi->set_crop_style($crop);
}
$imgUrl = $rsi->get_url();
$imgHeight = $rsi->get_image_height();
$imgWidth = $rsi->get_image_width();
} else {
$imgUrl = reason_get_image_url($image);
}
$imageInfo[] = array('description' => $imgDescription, 'content' => $imgContent, 'author' => $imgAuthor, 'height' => $imgHeight, 'width' => $imgWidth, 'url' => $imgUrl);
}
if (count($imageInfo) == 0) {
trigger_error("No images set for this slideshow");
}
return $imageInfo;
}
/**
* Assign an image to be used as the placard image
* @param mixed $image An image URL, id, or entity
*/
function set_placard_image($image)
{
if (is_numeric($image) || is_object($image)) {
$this->placard_image_url = reason_get_image_url($image);
} elseif (is_string($image)) {
$this->placard_image_url = $image;
} else {
trigger_error('Placard image must be an image id, url, or entity');
}
}
protected function get_media_placard_info($media)
{
if ($placards = $media->get_left_relationship('av_to_primary_image')) {
$placard = current($placards);
$placard_url = reason_get_image_url($placard, 'tn');
list($width, $height) = getimagesize(reason_get_image_path($placard, 'tn'));
} else {
$placard_url = REASON_HTTP_BASE_PATH . 'modules/publications/media_placeholder_thumbnail.png';
$width = 125;
$height = 70;
}
return array('url' => $placard_url, 'width' => $width, 'height' => $height);
}
/**
* Get HTML to display the sized image and its url at the top of the given form
* @param object disco form
* @return string HTML to display
*/
function pre_show_disco(&$disco)
{
if ($disco->has_errors()) {
return '';
}
if ($image = $this->_get_image()) {
$unsized_width = $image->get_value('width');
$unsized_height = $image->get_value('height');
$sized_width = $disco->get_value('width');
$sized_height = $disco->get_value('height');
if (empty($sized_width) && empty($sized_height) || $unsized_width == $sized_width && $unsized_height == $sized_height) {
$showing_normal_size = true;
$url = reason_get_image_url($image);
} else {
$showing_normal_size = false;
$rsi = new reasonSizedImage();
$server_path = REASON_SIZED_IMAGE_CUSTOM_DIR;
$web_path = REASON_SIZED_IMAGE_CUSTOM_DIR_WEB_PATH;
$rsi->set_paths($server_path, $web_path);
$rsi->set_id($image->id());
if (!empty($sized_width)) {
$rsi->set_width($sized_width);
}
if (!empty($sized_height)) {
$rsi->set_height($sized_height);
}
if ($disco->get_value('crop')) {
$rsi->set_crop_style($disco->get_value('crop'));
}
$url = $rsi->get_url();
}
$ret = '<div class="preview">' . "\n";
$ret .= '<div class="image"><img src="' . htmlspecialchars($url) . '" alt="Image sized to ' . ($sized_width ? $sized_width : 'auto') . ' by ' . ($sized_height ? $sized_height : 'auto') . ' pixels" /></div>' . "\n";
if ($showing_normal_size) {
$ret .= '<div class="normalSizeNotice smallText">(This is the standard size of this image.)</div>' . "\n";
} else {
$ret .= '<div class="url"><div class="label"><p>To use this image at this size:</p><ol><li>copy this web address</li><li>paste it into the "image at web address" tab in the "insert image" dialog box.</li></ol></div><input type="text" value="' . htmlspecialchars($url) . '" size="50" /></div>' . "\n";
}
$ret .= '</div>' . "\n";
if (!$showing_normal_size) {
$ret .= '<h4 class="tryAgainHeading">Try another size</h4>' . "\n";
}
return $ret;
}
}
function get_image_detail_image_info($image)
{
$image_info = array();
if (is_array($image)) {
$image_entity = new entity($image['id']);
} elseif (is_object($image)) {
if ('reasonSizedImage' == get_class($image)) {
$image_entity = new entity($image->get_id());
} else {
$image_entity = $image;
}
}
$img_description = $image_entity->get_value('description');
$img_width = $image_entity->get_value('width');
$img_height = $image_entity->get_value('height');
$img_url = reason_get_image_url($image_entity->id());
$img_author = $image_entity->get_value('author');
$title = $image_entity->get_value('description') ? $image_entity->get_value('description') : 'Image';
$image_caption = $image_entity->get_value('content') ? $image_entity->get_value('content') : $image_entity->get_value('description');
$image_info = array('title' => $title, 'caption' => $image_caption, 'url' => $img_url, 'author' => $img_author, 'width' => $img_width, 'height' => $img_height);
return $image_info;
}
function show_image($image, $thumbnail = true)
{
if ($thumbnail) {
if (0 != $this->params['thumbnail_height'] or 0 != $this->params['thumbnail_width']) {
$rsi = new reasonSizedImage();
$rsi->set_id($image->id());
if (0 != $this->params['thumbnail_height']) {
$rsi->set_height($this->params['thumbnail_height']);
}
if (0 != $this->params['thumbnail_width']) {
$rsi->set_width($this->params['thumbnail_width']);
}
if ('' != $this->params['thumbnail_crop']) {
$rsi->set_crop_style($this->params['thumbnail_crop']);
}
$width = $rsi->get_image_width();
$height = $rsi->get_image_height();
$image_url = $rsi->get_url();
$image_path = $rsi->get_file_system_path_and_file_of_dest();
} else {
$image_path = reason_get_image_path($image, 'tn');
$image_url = reason_get_image_url($image, 'tn');
if (!file_exists($image_path)) {
$image_path = reason_get_image_path($image);
$image_url = reason_get_image_url($image);
}
list($width, $height) = getimagesize($image_path);
}
$class = 'thumbnail';
} elseif (!$thumbnail) {
if (0 != $this->params['height'] or 0 != $this->params['width']) {
$rsi = new reasonSizedImage();
$rsi->set_id($image->id());
if (0 != $this->params['height']) {
$rsi->set_height($this->params['height']);
}
if (0 != $this->params['width']) {
$rsi->set_width($this->params['width']);
}
if ('' != $this->params['crop']) {
$rsi->set_crop_style($this->params['crop']);
}
$width = $rsi->get_image_width();
$height = $rsi->get_image_height();
$image_url = $rsi->get_url();
$image_path = $rsi->get_file_system_path_and_file_of_dest();
} else {
$image_path = reason_get_image_path($image);
list($width, $height) = getimagesize($image_path);
$image_url = reason_get_image_url($image);
}
$class = 'mainImage';
}
if (file_exists($image_path)) {
$alt = $image->get_value('description');
if (!$alt) {
$alt = $image->get_value('keywords');
if (!$alt) {
$alt = $image->get_value('name');
}
}
$mod_time = filemtime($image_path);
return $this->show_image_markup($image_url, $height, $width, $alt, $class, $mod_time);
} else {
return false;
}
}