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<?php
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/**
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* @file
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* Media theming functions.
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*
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* @copyright
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* (C) 2007-2012 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this module are subject to the Mozilla
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* Public License Version 1.1.
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* @see http://www.mozilla.org/MPL/MPL-1.1.html
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*/
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/**
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* @todo Please document this function.
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* @see http://drupal.org/node/1354
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*/
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function media_content_type_dir($media_representation, $default = FALSE) {
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if ($media_representation->mimeType) {
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return substr($media_representation->mimeType, 0, stripos($media_representation->mimeType, '/'));
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}
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else {
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return $default;
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}
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}
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/**
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* @todo Please document this function.
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* @see http://drupal.org/node/1354
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*/
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function getimagesize_remote($image_url) {
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$response = cdm_http_request($image_url);
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$contents = NULL;
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if (isset($response->data)) {
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$contents = $response->data;
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} else {
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return FALSE;
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}
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$last_level = error_reporting (E_ERROR); // suppress warnings from the imagecreatefromstring() method,
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$im = imagecreatefromstring($contents);
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error_reporting($last_level); // reset the error_reporting level
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if (!$im) {
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return FALSE;
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}
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$gis[0] = ImageSX($im);
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$gis[1] = ImageSY($im);
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// Array member 3 is used below to keep with current getimagesize standards.
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$gis[3] = "width={$gis[0]} height={$gis[1]}";
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ImageDestroy($im);
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return $gis;
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}
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/**
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* Creates the markup for the media associated a DescriptionElement instance.
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*
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* @param $descriptionElement
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* the DescriptionElement instance
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* @param $mimeTypePreference array
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* An array of mime type strings. the order of the mimetpes is the oerder of preference.
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* E.g.: array('application/pdf','image/jpeg')
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*
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* @return string
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* The markup
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*
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* FIXME: move to descriptions.inc
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*/
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function cdm_description_element_media($descriptionElement, $mimeTypePreference) {
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$out = '';
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_add_js_thickbox();
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$feature = $descriptionElement->feature;
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$medias = $descriptionElement->media;
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foreach ($medias as $media) {
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$prefRepresentations = cdm_preferred_media_representations($media, $mimeTypePreference, 300, 400);
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$mediaRepresentation = array_shift($prefRepresentations);
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if ($mediaRepresentation) {
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$contentTypeDirectory = media_content_type_dir($mediaRepresentation);
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$out .= theme('cdm_media_mime_' . $contentTypeDirectory, array('mediaRepresentation' => $mediaRepresentation, 'feature' => $feature));
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}
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else {
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// Media has empty or corrupt representation
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if(user_is_logged_in()){
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drupal_set_message('The media entity (' . l($media->uuid, path_to_media($media->uuid)) .') has empty or corrupt representation parts. Maybe the URI is empty.' , 'warning');
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}
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}
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}
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return $out;
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}
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/**
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* @todo Please document this function.
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* @see http://drupal.org/node/1354
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*/
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function theme_cdm_media_mime_application($variables) {
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$mediaRepresentation = $variables['mediaRepresentation'];
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$feature = $variables['feature'];
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$out = '';
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foreach ($mediaRepresentation->parts as $part) {
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$attributes = array(
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'title' => theme('cdm_feature_name', array('feature_name' => $feature->representation_L10n)),
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'target' => '_blank',
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);
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/*
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$attributes = array('title'=>$feature->representation_L10n,'target'=>'_blank');
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$attributes = array('title'=>'original publication', 'target'=>'_blank');
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*/
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$out .= l(media_feature_icon($feature, $part->uri), $part->uri, array(
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'attributes' => $attributes,
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'absolute' => TRUE,
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'html' => TRUE,
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));
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}
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return $out;
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}
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/**
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* Creates the markup for a CDM Media instance.
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*
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* (This method is currently only called from within theme_cdm_media())
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*
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* @param $variables
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* An associative array
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* @return string
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* The markup
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*/
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function theme_cdm_media_mime_image($variables) {
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$media_representation = $variables['mediaRepresentation'];
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$feature = $variables['feature'];
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$out = '';
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// TODO thickbox is not used anymore -> delete?
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$attributes = array(
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'class' => 'thickbox',
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'rel' => 'representation-' . $media_representation->uuid,
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'title' => $feature->representation_L10n,
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);
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for ($i = 0; $part = $media_representation->parts[$i]; $i++) {
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if ($i == 0) {
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$out .= l(media_feature_icon($feature, $part->uri), $part->uri, array(
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'attributes' => $attributes,
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'absolute' => TRUE,
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'html' => TRUE,
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));
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}
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else {
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$out .= l('', $part->uri, array(
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'attributes' => $attributes,
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'absolute' => TRUE,
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));
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}
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}
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return $out;
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}
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/**
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* @todo Please document this function.
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* @see http://drupal.org/node/1354
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*/
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function theme_cdm_media_mime_text($variables) {
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$representation = $variables['mediaRepresentation'];
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$feature = $variables['feature'];
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$out = '';
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if (!empty($representation->parts)) {
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foreach ($representation->parts as $part) {
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$attributes = array(
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'title' => theme('cdm_feature_name', array('feature_name' => $feature->representation_L10n)),
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'target' => '_blank',
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);
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// $attributes = array('title'=>t('original publication'),
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// 'target'=>'_blank');
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$out .= l(media_feature_icon($feature, $part->uri), $part->uri, array(
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'attributes' => $attributes,
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'absolute' => TRUE,
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'html' => TRUE,
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));
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}
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}
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return $out;
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}
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/**
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* Theme function for captions of media elements. This method is usually called from
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* within the theme_cdm_media_gallerie() function or indirectly via AHAH.
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*
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* @param array $variables
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* an associative array with the following elements:
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* - 'media': the cdm media object to show the captions for
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* - 'elements':
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* an array which defining the caption elements to show up
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* example:
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* Show 'title', 'description', 'file', 'filename' in the caption:
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* array('title', 'description', 'file', 'filename')
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*
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* @return string
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* the themed html output
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*
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* TODO turn into compose method
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*/
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function theme_cdm_media_caption($variables) {
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$media = $variables['media'];
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$elements = $variables['elements'];
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$sources_as_content = $variables['sources_as_content'];
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$media_metadata = read_media_metadata($media);
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$doTitle = !$elements || array_search('title', $elements) !== FALSE;
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$doDescription = !$elements || array_search('description', $elements) !== FALSE;
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$doArtist = !$elements || array_search('artist', $elements) !== FALSE;
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$doMediacreated = true; //!$elements || array_search('mediacreated', $elements) !== FALSE;
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$doLocation = !$elements || array_search('location', $elements) !== FALSE;
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$doRights = !$elements || array_search('rights', $elements) !== FALSE;
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$descriptionPrefix = "";
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$footnote_list_key = 'media-' . $media->uuid;
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// handle sources and annotations
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cdm_lazyload_array_field('media', 'annotations', $media);
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$annotations_and_sources = handle_annotations_and_sources(
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$media,
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array(
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'sources_as_content' => $sources_as_content,
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'link_to_name_used_in_source' => 1,
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'link_to_reference' => 0,
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'add_footnote_keys' => $sources_as_content ? 0 : 1
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),
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NULL,
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$footnote_list_key
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);
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$out = '';
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// Title.
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if ($doTitle) {
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$title_string = $media_metadata['title']
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. $annotations_and_sources['foot_note_keys']; // placing the footnote keys here is not optimal, see #6329 A.1.
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$title_string = trim($title_string);
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if (empty($title_string) && !($doDescription && $media_metadata['description'])) {
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// Use filename as fallback option if no description and no source citations are available.
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$title_string = $media_metadata['filename'];
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}
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$out .= '<div class="title">' . $title_string . '</div>';
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}
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// Description.
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if ($media_metadata['description'] && $doDescription) {
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$out .= '<p class="description">' . $media_metadata['description'] . '</p>';
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}
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$groups = array();
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$out .= '<dl class="media-caption">';
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// Artist.
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if ($media_metadata['artist'] && $doArtist) {
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_description_list_group_add($groups, t('Artist') . ':', $media_metadata['artist'] );
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}
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// MediaCreated
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if ($media_metadata['mediacreated'] && $doMediacreated) {
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_description_list_group_add($groups, t('Created') . ':', $media_metadata['mediacreated'] );
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}
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// Location.
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if ($doLocation) {
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$location = '';
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$location .= $media_metadata['location']['sublocation'];
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if ($location && $media_metadata['location']['city']) {
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$location .= ', ';
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}
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$location .= $media_metadata['location']['city'];
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if ($location && $media_metadata['location']['province']) {
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$location .= ', ';
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}
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$location .= $media_metadata['location']['province'];
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if ($location && $media_metadata['location']['country']) {
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$location .= ' (' . $media_metadata['location']['country'] . ')';
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}
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else {
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$location .= $media_metadata['location']['country'];
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}
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if ($location) {
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_description_list_group_add($groups, t('Location') . ':', $location );
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}
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}
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// Rights.
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if ($doRights) {
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$groups = array_merge($groups, cdm_rights_as_dl_groups($media_metadata['rights']));
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}
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if(!empty($annotations_and_sources['source_references'])){
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$sources_label = count($annotations_and_sources['source_references']) > 1 ? t('Sources') : t('Source');
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_description_list_group_add($groups, $sources_label . ':', markup_to_render_array(join('; ', $annotations_and_sources['source_references'])) );
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}
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// TODO add all other metadata elements generically.
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$description_list_item = array(
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'#theme' => 'description_list',
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'#groups' => $groups,
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'#attributes' => array('class' => 'media-caption')
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);
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$out .= drupal_render($description_list_item);
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$out .= render_footnotes($footnote_list_key);
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return $out;
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}
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