media_gallery.theme.inc in Media Gallery 7.2
Same filename and directory in other branches
Media Gallery Theming
File
media_gallery.theme.incView source
<?php
/**
* @file
* Media Gallery Theming
*/
/**
* Displays a collection of galleries as a grid of teasers.
*/
function theme_media_gallery_collection($variables) {
$element = $variables['element'];
$collection = $element['#term'];
$columns = $collection->media_gallery_columns[LANGUAGE_NONE][0]['value'];
$grid = '<div class="media-gallery-collection mg-collection-' . $collection->vocabulary_machine_name . ' mg-col mg-col-' . $columns . '">';
foreach (element_children($element['nodes']) as $nid) {
// This invokes node.tpl.php, and where that calls render($content),
// theme_media_gallery_teaser() is called.
// Add the term to the node so that we can use it to configure the meta data
$element['nodes'][$nid]['#node']->term = $collection;
$teaser = drupal_render($element['nodes'][$nid]);
// @todo Implement real display needs.
$cell = $teaser;
$grid .= $cell;
}
$grid .= '</div>';
// Replace the 'nodes' element with the rendered grid while preserving its
// weight, so that other fields that are part of the collection term get
// rendered normally, and in the correct order.
$weight = isset($element['nodes']['#weight']) ? $element['nodes']['#weight'] : 0;
$element['nodes'] = array(
'#markup' => $grid,
'#weight' => $weight,
);
$output = drupal_render_children($element);
return $output;
}
/**
* Displays a gallery node as a teaser.
*
* The Galleries page displays a grid of gallery teasers. Each gallery teaser is
* themed as a node using node.tpl.php or one if its overrides. Where that
* template file calls @code render($content) @endcode, the output of this
* function is returned.
*/
function theme_media_gallery_teaser($variables) {
$element = $variables['element'];
$node = $element['#node'];
if (isset($element['media_gallery_file'][0])) {
$element['media_gallery_file'][0]['#theme'] = 'media_gallery_file_field_inline';
$image = drupal_render($element['media_gallery_file'][0]);
}
else {
$image = theme('image', array(
'path' => drupal_get_path('module', 'media_gallery') . '/images/empty_gallery.png',
));
}
$link_vars = array();
$link_vars['image'] = $image;
$uri = entity_uri('node', $node);
$link_vars['link_path'] = $uri['path'];
$link_vars['classes'] = array(
'media-gallery-thumb',
);
$output = '<div class="media-collection-item-wrapper"><img class="stack-image" src="' . base_path() . drupal_get_path('module', 'media_gallery') . '/images/stack_bg.png" />' . theme('media_gallery_item', $link_vars) . '</div>';
// Set the variables to theme the meta data if there is a term on the node
if (isset($node->term)) {
$term = $node->term;
$meta_vars = array();
$meta_vars['location'] = $term->media_gallery_image_info_where[LANGUAGE_NONE][0]['value'];
$meta_vars['title'] = $node->title;
$meta_vars['link_path'] = $link_vars['link_path'];
// Organize the file count by type. We only expect images and videos for
// now, so we put those first and group the others together into a general
// category at the end.
$type_count = media_gallery_get_media_type_count($node, 'media_gallery_file_original');
$description = array();
if (isset($type_count['image'])) {
$count = $type_count['image'];
$description[] = format_plural($count, '<span>@num image</span>', '<span>@num images</span>', array(
'@num' => $count,
));
unset($type_count['image']);
}
if (isset($type_count['video'])) {
$count = $type_count['video'];
$description[] = format_plural($count, '<span>@num video</span>', '<span>@num videos</span>', array(
'@num' => $count,
));
unset($type_count['video']);
}
if (!empty($type_count)) {
$count = array_sum($type_count);
$description[] = format_plural($count, '<span>@num other item</span>', '<span>@num other items</span>', array(
'@num' => $count,
));
}
$meta_vars['description'] = implode(', ', $description);
// Add the meta information
$output .= theme('media_gallery_meta', $meta_vars);
}
return $output;
}
/**
* Template preprocess function for displaying a media item (entity) as a
* thumbnail on the gallery page.
*/
function template_preprocess_media_gallery_media_item_thumbnail(&$variables) {
$element = $variables['element'];
// Attach the colorbox javascript if the format calls for it.
$format = $element['#media_gallery_entity']->media_gallery_format[LANGUAGE_NONE][0]['value'];
$lightbox = is_numeric(strpos($format, 'lightbox')) ? TRUE : FALSE;
if ($lightbox) {
$element['file']['#attached']['js'][] = drupal_get_path('module', 'media_gallery') . '/colorbox-display.js';
$element['file']['#attached']['library'][] = array(
'media_gallery',
'colorbox',
);
}
// Get the rendered file without annoying DIV wrappers.
$element['file'] = array(
'#theme' => 'media_gallery_file_field_inline',
'0' => $element['file'],
);
$image = drupal_render($element['file']);
$gallery_id = $element['#media_gallery_entity']->nid;
$media_id = $element['#file']->fid;
// Add a class that is a more targeted version of what template_preprocess()
// automatically adds for this theme hook, to enable per-type (e.g., video vs.
// image) styling.
$variables['classes_array'][] = drupal_html_class('media_gallery_file_item_thumbnail_' . $element['#file']->type);
// Add a class for the wrapper.
$variables['classes_array'][] = 'media-gallery-item-wrapper';
// Create an array of variables to be added to the main thumbnail link.
$link_vars = array();
$link_vars['image'] = $image;
$link_vars['link_path'] = "media-gallery/detail/{$gallery_id}/{$media_id}";
$link_vars['classes'] = $lightbox ? array(
'media-gallery-thumb',
'cbEnabled',
) : array(
'media-gallery-thumb',
);
$link_vars['title'] = $element['#bundle'] == 'image' ? t('View larger image') : t('Watch video');
// Add the image as a link to the detailed view
$variables['media_gallery_item'] = theme('media_gallery_item', $link_vars);
// Set the variables to theme the metadata.
$meta_vars = array();
$meta_vars['location'] = $element['#media_gallery_entity']->media_gallery_image_info_where[LANGUAGE_NONE][0]['value'];
$meta_vars['title'] = isset($element['media_title']) ? $element['media_title'][0]['#markup'] : '';
$meta_vars['link_path'] = $link_vars['link_path'];
// Theme the metadata.
$variables['media_gallery_meta'] = theme('media_gallery_meta', $meta_vars);
}
/**
* Displays a media item (entity) within a lightbox.
*
* Clicking a thumbnail within the gallery page opens a lightbox if all these
* conditions are met:
* - The gallery node's media_gallery_format field indicates to open a lightbox.
* - The colorbox jQuery plugin is available.
* - The user has JavaScript enabled.
*
* The lightbox contains some navigation functionality (including a "slideshow"
* link) and a <div> containing the actual content. This function themes the
* contents of that <div>.
*
* When any of the conditions for opening a lightbox aren't met, the user is
* taken to a separate detail page instead, the contents of which are themed by
* theme_media_gallery_media_item_detail().
*/
function theme_media_gallery_media_item_lightbox($variables) {
$element = $variables['element'];
$gallery_node = new FieldsRSIPreventor($element['#media_gallery_entity']);
$file = $element['#file'];
// The lightbox JavaScript requires width and height attributes to be set on
// the displayed image, but if we're displaying an image derivative, we need
// to create it in order to know its width and height.
// @todo Improve the JavaScript to not require this.
if ($element['file']['#theme'] == 'image_style') {
$style_name = $element['file']['#style_name'];
$style_path = image_style_path($style_name, $file->uri);
if (!file_exists($style_path)) {
$style = image_style_load($style_name);
image_style_create_derivative($style, $file->uri, $style_path);
}
$info = image_get_info($style_path);
$element['file'] += array(
'#attributes' => array(),
);
$element['file']['#attributes'] += array(
'width' => $info['width'],
'height' => $info['height'],
);
}
$image = drupal_render($element['file']);
$matches = NULL;
if (preg_match('@<img .*?/>@', $image, $matches)) {
$image = $matches[0];
}
else {
}
$gallery_id = $element['#media_gallery_entity']->nid;
$media_id = $element['#file']->fid;
// Create an array of variables to be added to the main image link.
$link_vars = array();
$link_vars['image'] = $image;
$link_vars['link_path'] = "media-gallery/detail/{$gallery_id}/{$media_id}";
$link_vars['no_link'] = $element['#bundle'] != 'image' ? TRUE : FALSE;
if ($gallery_node
->getValue('media_gallery_allow_download') == TRUE) {
$download_link = $element['#bundle'] == 'image' ? theme('media_gallery_download_link', array(
'file' => $file,
)) : l(t('View detail page'), $link_vars['link_path']);
}
else {
// Very ugly fix: This prevents the license info from being either hidden
// or causing scrollbars (depending on the browser) in cases where a
// download link is not being shown. There may be a CSS-only fix for this,
// but we haven't found one yet.
$download_link = ' ';
}
$media_gallery_detail = '<div class="lightbox-stack">' . theme('media_gallery_item', $link_vars) . '<div class="media-gallery-detail-info">' . $download_link . theme('media_gallery_license', array(
'element' => isset($element['field_license']) ? $element['field_license'] : array(),
'color' => 'medium',
'file' => $file,
)) . '</div></div>';
// The license info has been themed already, keep it from being rendered as a child
$element['field_license']['#access'] = FALSE;
$output = 'Error';
// If the format is to have the description as well, we add it here
if (!empty($gallery_node->media_gallery_lightbox_extras[LANGUAGE_NONE][0]['value'])) {
$output = '<div class="mg-lightbox-wrapper clearfix">' . '<div class="lightbox-title">' . drupal_render($element['media_title']) . '</div>' . '<div class="mg-lightbox-detail">' . $media_gallery_detail . '</div><div class="mg-lightbox-description">' . drupal_render_children($element) . '</div>' . '</div>';
}
else {
$output = $media_gallery_detail;
}
return $output;
}
/**
* Displays a media item (entity) as its own page, within gallery context.
*
* @see theme_media_gallery_media_item_lightbox()
*/
function theme_media_gallery_media_item_detail($variables) {
$element = $variables['element'];
$gallery_node = new FieldsRSIPreventor($element['#media_gallery_entity']);
$file = $element['#file'];
// Page number for next and previous pages and current page.
$i_next = NULL;
$i_previous = NULL;
$i_current = NULL;
// Not considering the possibility of this field being translatable, at the
// moment. Is there a use-case for a media field (which is just a reference to
// a media entity) to be translatable?
$media_ids = array();
foreach ($gallery_node->media_gallery_file[LANGUAGE_NONE] as $delta => $item) {
$media_ids[] = _media_gallery_get_media_fid($item);
}
$media_ids = array_values(array_unique($media_ids));
// Get the variables needed for previous and next buttons and "Image X of Y"
// text.
$num_items = count($media_ids);
foreach ($media_ids as $i => $id) {
if ($id == $file->fid) {
$i_current = $i;
break;
}
}
$i_previous = $i_current - 1;
$i_next = $i_current + 1;
if ($i_previous < 0) {
$i_previous = NULL;
}
$i_next = $i_current + 1;
if ($i_next > $num_items - 1) {
$i_next = NULL;
}
if ($gallery_node
->getValue('media_gallery_allow_download') == TRUE) {
$download_link = $element['#bundle'] == 'image' ? theme('media_gallery_download_link', array(
'file' => $file,
)) : ' ';
}
else {
// Very ugly fix: This prevents the license info from being either hidden
// or causing scrollbars (depending on the browser) in cases where a
// download link is not being shown. There may be a CSS-only fix for this,
// but we haven't found one yet.
$download_link = ' ';
}
$previous_link = !is_null($i_previous) ? l(t('« Previous'), "media-gallery/detail/{$gallery_node->nid}/{$media_ids[$i_previous]}", array(
'html' => TRUE,
'attributes' => array(
'class' => array(
'prev',
),
),
)) : '';
$next_link = !is_null($i_next) ? l(t('Next »'), "media-gallery/detail/{$gallery_node->nid}/{$media_ids[$i_next]}", array(
'html' => TRUE,
'attributes' => array(
'class' => array(
'next',
),
),
)) : '';
// Render the file out in a wrapper
$output = '<div class="media-gallery-detail-wrapper">' . '<div class="media-gallery-detail">' . drupal_render($element['file']) . '<div class="media-gallery-detail-info">' . $download_link . theme('media_gallery_license', array(
'element' => isset($element['field_license']) ? $element['field_license'] : array(
'#view_mode' => 'media_gallery_detail',
),
'color' => 'dark',
'file' => $file,
)) . '</div>' . '<div class="media-gallery-detail-info">' . '<span class="media-gallery-back-link">' . l(t('« Back to gallery'), 'node/' . $gallery_node->nid) . '</span>' . '<span class="media-gallery-detail-image-info-wrapper">' . '<span class="media-gallery-image-count">' . t("Item @current of @total", array(
'@current' => $i_current + 1,
'@total' => $num_items,
)) . '</span>' . '<span class="media-gallery-controls">' . $previous_link . (!empty($previous_link) && !empty($next_link) ? ' | ' : '') . $next_link . '</span>' . '</span>' . '</div>' . '</div>';
// The license was already output above via a direct theme() call rather
// than drupal_render().
$element['field_license']['#printed'] = TRUE;
// The file was rendered above, but due to a drupal_render() bug, might not be
// marked as printed.
// @todo Remove when http://drupal.org/node/1305220 is fixed.
$element['file']['#printed'] = TRUE;
// Render the remaining fields, but not the title, since that's output as
// part of the page title.
$element['media_title']['#access'] = FALSE;
$output .= '<div class="no-overflow">' . drupal_render_children($element) . '</div></div>';
return $output;
}
/**
* Displays a media item (entity) as a thumbnail in a block
*/
function theme_media_gallery_block_thumbnail($variables) {
$element = $variables['element'];
// Attach the colorbox javascript if the format calls for it.
$format = $element['#media_gallery_entity']->media_gallery_format[LANGUAGE_NONE][0]['value'];
$lightbox = is_numeric(strpos($format, 'lightbox')) ? TRUE : FALSE;
if ($lightbox) {
$element['file']['#attached']['js'][] = drupal_get_path('module', 'media_gallery') . '/colorbox-display.js';
$element['file']['#attached']['library'][] = array(
'media_gallery',
'colorbox',
);
}
// Get the rendered file without annoying DIV wrappers.
$element['file'] = array(
'#theme' => 'media_gallery_file_field_inline',
'0' => $element['file'],
);
$image = drupal_render($element['file']);
// Create some variables to be added to the main image link
$classes = $lightbox ? array(
'media-gallery-thumb',
'cbEnabled',
) : array(
'media-gallery-thumb',
);
$gallery_id = $element['#media_gallery_entity']->nid;
$media_id = $element['#file']->fid;
$link_path = "media-gallery/detail/{$gallery_id}/{$media_id}";
// Create a wrapper
$output = '<div class="media-gallery-item-wrapper">';
// Style the thumbnail as a link
$output .= theme('media_gallery_item', array(
'image' => $image,
'link_path' => $link_path,
'classes' => $classes,
));
// Close the wrapper
$output .= '</div>';
return $output;
}
/**
* Displays a media item (entity) as a thumbnail on a Gallery collection page
*/
function theme_media_gallery_collection_thumbnail($variables) {
// In the default configuration of the module, the collection thumbnail
// display format is used for node teasers, and theme_media_gallery_teaser()
// bypasses calling this theme function. However, if someone configures their
// site differently (to use this display format in a different view mode), we
// need some sensible behavior here. For now, we just theme the media item
// the same way we theme it when it appears in a block thumbnail.
// @todo: Ideally, some of the code in theme_media_gallery_teaser() would
// move here instead, so that people could configure their site to
// reproduce the default "media gallery node teaser" style in other view
// modes as well.
return theme('media_gallery_block_thumbnail', $variables);
}
/**
* Theme the thumbnail link for a media gallery item
*
* @param string $image
* Which meta data fields to display
* @param string $link_path
* The location to place the meta data on the media item
* @param string $classes
* An array of classes to attach to the link.
*
*/
function theme_media_gallery_item($variables) {
$image = $variables['image'];
$link_path = $variables['link_path'];
$attributes = array();
if (!empty($variables['classes'])) {
$attributes['class'] = $variables['classes'];
}
if (!empty($variables['title'])) {
// I'm fairly sure I don't like this solution. But as Alex mentions in
// theme_media_gallery_file_field_inline() the File Styles module isn't allowing
// us access to the render array pre-rendering, so I'm doing a str_replace()
// here specifically to address the title and alt for thumbnails. This had
// to be further modified to remove and then add the title and alt attributes
// video thumbnails had no title and alt attributes so the string replace was
// not triggering for them.
$new_image = str_replace(array(
'title=""',
'alt=""',
), array(
'',
'',
), $image);
$image = str_replace('/>', ' title="' . $variables['title'] . '" alt="' . $variables['title'] . '" />', $new_image);
}
// Add sliding door top div and wrappers
$item = '<div class="media-gallery-item"><div class="top"><div class="top-inset-1"><div class="top-inset-2"></div></div></div><div class="gallery-thumb-outer"><div class="gallery-thumb-inner">';
// Create a link around the image
$item .= empty($variables['no_link']) ? l($image, $link_path, array(
'html' => TRUE,
'attributes' => $attributes,
)) : $image;
// Add sliding door bottom div and close wrappers
$item .= '</div></div><div class="bottom"><div class="bottom-inset-1"><div class="bottom-inset-2"></div></div></div></div>';
return $item;
}
/**
* Theme the meta data for a media gallery item
*
* @param string $display
* Which meta data fields to display
* @param string $location
* The location to place the meta data on the media item
* @param string $title
* The title to display (if applicable)
* @param string $license
* The license information for the media item
* @param string $description
* A description to display with the title (if applicable).
*/
function theme_media_gallery_meta($variables) {
$location = $variables['location'];
$title = $variables['title'];
$description = $variables['description'];
$link_path = $variables['link_path'];
// Add a top sliding door to the meta info
$meta = '<span class="top slider"><span class="top-inner slider"></span></span>';
// Open the content sliding door for the meta info
$meta .= '<span class="meta-outer slider"><span class="meta-inner slider">';
// If we display nothing, nothing else matters
if ($location != 'nothing') {
// Add a wrapper around the meta data
#$meta .= '<div class="meta-wrapper ' . $location . '">';
// Add title
$attributes = array(
'class' => array(
'meta-wrapper',
'cbEnabled',
$location,
),
);
$meta .= $title ? '<span class="media-title">' . $title . '</span>' : '';
if ($description) {
$meta .= '<span class="media-description">' . $description . '</span>';
}
// Close the content sliding door
$meta .= '</span></span>';
// Add a bottom sliding door
$meta .= '<span class="bottom slider"><span class="bottom-inner slider"></span></span>';
// Close the wrapper around the meta data
$meta_link = $location == 'hover' ? l($meta, $link_path, array(
'attributes' => $attributes,
'html' => TRUE,
)) : '<span class="meta-wrapper">' . $meta . '</span>';
}
return isset($meta_link) ? $meta_link : NULL;
}
/**
* Returns HTML for a link to a file.
*
* @param $variables
* An associative array containing:
* - file: A file object to which the link will be created.
* - text: (optional) The link text. Defaults to t('Download original image').
* - options: (optional) Extra options to pass to l().
*
* @see theme_file_link()
*
* @ingroup themeable
*
* @todo Move to Media module?
*/
function theme_media_gallery_download_link($variables) {
$file = $variables['file'];
$text = $variables['text'];
$options = $variables['options'];
// Link to "media/FID/download", so that Drupal can set the
// Content-Disposition header as needed to instruct the browser to download
// rather than display the file. Append the file name at the end to work
// around Internet Explorer's deficiencies in understanding HTTP headers.
$path = 'media/' . $file->fid . '/download/' . $file->filename;
if (!isset($text)) {
$text = t('Download original image');
}
// Set options as per anchor format described at
// http://microformats.org/wiki/file-format-examples
$options['attributes']['type'] = $file->filemime . '; length=' . $file->filesize;
$options['attributes']['class'] = array(
'gallery-download',
);
return l($text, $path, $options);
}
/*
* Turns the license information into the Creative Commons images.
*/
function theme_media_gallery_license($variables) {
// Don't display license information for externally hosted media. See
// media_gallery_field_attach_form().
if (isset($variables['file'])) {
// @todo Implement a more generic determination for when a license applies
// and when it doesn't.
if (file_uri_scheme($variables['file']->uri) == 'youtube') {
return '';
}
}
if (isset($variables['element']['#items'][0]['value'])) {
$item = $variables['element']['#items'][0]['value'];
}
else {
$item = 'none';
}
$color = $variables['color'];
$options = explode('_', $item);
// Open a wrapper around the icons.
$output = '<span class="media-license ' . $color . '">';
if (empty($item) || $item === 'none') {
$output .= '<span class="copyright" title="All rights reserved"></span>';
}
$output .= in_array('cc', $options) ? '<span class="attribution" title="Attribution"></span>' : '';
$output .= in_array('nc', $options) ? '<span class="non-commercial" title="Non-Commercial"></span>' : '';
$output .= in_array('sa', $options) ? '<span class="share-alike" title="Share Alike"></span>' : '';
$output .= in_array('nd', $options) ? '<span class="no-deriv" title="No Derivative Works"></span>' : '';
$output .= '</span>';
return $output;
}
/**
* Renders a file field for use where block-level HTML tags are not wanted, such as in a link.
*
* This theme function is called instead of theme_field(), and therefore, we
* bypass all the container DIV tags normally added for fields.
*/
function theme_media_gallery_file_field_inline($variables) {
$element = $variables['element'];
$output = drupal_render_children($element);
// @todo Most likely, the image was rendered using a Styles module formatter
// (probably a File Styles wrapper to an image style). The Styles module
// needs to be improved to integrate properly into Drupal 7 rendering, so
// that we can adjust the render array before rendering it. But until the
// Styles module is sufficiently improved, we're stuck with getting back a
// rendered string containing a DIV wrapper around the image. So here, we
// remove all DIV tags, which is totally hacky, and exactly the kind of
// stuff that the D7 render system is meant to avoid.
$output = trim(preg_replace('@</?div.*?/?\\>@', '', $output));
return $output;
}Functions
Name |
Description |
|---|---|
| template_preprocess_media_gallery_media_item_thumbnail | Template preprocess function for displaying a media item (entity) as a thumbnail on the gallery page. |
| theme_media_gallery_block_thumbnail | Displays a media item (entity) as a thumbnail in a block |
| theme_media_gallery_collection | Displays a collection of galleries as a grid of teasers. |
| theme_media_gallery_collection_thumbnail | Displays a media item (entity) as a thumbnail on a Gallery collection page |
| theme_media_gallery_download_link | Returns HTML for a link to a file. |
| theme_media_gallery_file_field_inline | Renders a file field for use where block-level HTML tags are not wanted, such as in a link. |
| theme_media_gallery_item | Theme the thumbnail link for a media gallery item |
| theme_media_gallery_license | |
| theme_media_gallery_media_item_detail | Displays a media item (entity) as its own page, within gallery context. |
| theme_media_gallery_media_item_lightbox | Displays a media item (entity) within a lightbox. |
| theme_media_gallery_meta | Theme the meta data for a media gallery item |
| theme_media_gallery_teaser | Displays a gallery node as a teaser. |