/**
* SlideDeck markup creator
*
* @param object $slidedeck_id The ID of the SlideDeck to render
* @param array $styles [optional] The styles to apply to the main SlideDeck tag ( usually just width and height )
*
* @uses slidedeck_load()
* @uses slidedeck_load_slides()
* @uses slidedeck_dir()
* @uses slidedeck_dynamic_template_content()
* @uses slidedeck_get_skin()
* @uses WP_Query
* @uses get_the_title()
* @uses get_the_time()
* @uses human_time_diff()
* @uses wp_trim_excerpt()
* @uses get_permalink()
* @uses get_post_custom_values()
* @uses get_post_meta()
* @uses slidedeck_get_dynamic_option()
* @uses slidedeck_parse_html_for_images()
* @uses slidedeck_get_option()
* @uses slidedeck_prepare_excerpt()
* @uses slidedeck_output()
*
* @return Rendered SlideDeck markup and JavaScript tag to initialize SlideDeck render
*/
function slidedeck_process_template($slidedeck_id, $styles = array('width' => '100%', 'height' => '300px'))
{
global $slidedeck_skin_included, $slidedeck_footer_scripts;
// Lookup the SlideDeck requested
$slidedeck = slidedeck_load($slidedeck_id);
if (isset($slidedeck) && !empty($slidedeck)) {
$is_dynamic = (bool) $slidedeck['dynamic'];
$image_skin = false;
$vertical_smart_skin = false;
$skin = slidedeck_get_skin(isset($slidedeck['skin']) && !empty($slidedeck['skin']) ? $slidedeck['skin'] : 'default');
if ($skin['meta']['Skin Type'] == "fixed") {
$styles['height'] = $skin['meta']['Skin Height'] . "px";
}
if ($skin['meta']['Skin Slide Type'] == "image") {
$image_skin = true;
}
$skin_image_width = isset($skin['meta']['Skin Image Width']) ? $skin['meta']['Skin Image Width'] : '270px';
$skin_image_height = isset($skin['meta']['Skin Image Height']) ? $skin['meta']['Skin Image Height'] : '250px';
if ($skin['meta']['Skin Slide Type'] == "vertical") {
$vertical_smart_skin = true;
}
// Setup styles array as inline style string
$styles_str = "";
$sep = "";
foreach ((array) $styles as $style => $def) {
$styles_str .= $sep . $style . ":" . $def;
$sep = ";";
}
srand();
// Seed the random number generator
// Create unique SlideDeck ID for this SlideDeck
$slidedeck_uid = "SlideDeck_" . rand(100, 999) . "_" . $slidedeck['id'];
if ($is_dynamic === true) {
$args = array('post_type' => slidedeck_get_dynamic_option($slidedeck, 'post_type'), 'post_status' => 'publish', 'posts_per_page' => $slidedeck['dynamic_options']['total']);
if ($slidedeck['dynamic_options']['filter_by_category'] == '1' && slidedeck_get_dynamic_option($slidedeck, 'post_type') == 'post') {
$args['cat'] = implode(',', $slidedeck['dynamic_options']['filter_categories']);
}
switch ($slidedeck['dynamic_options']['type']) {
case "recent":
$args['orderby'] = 'date';
$args['order'] = 'DESC';
break;
case "featured":
$args['meta_key'] = '_slidedeck_post_featured';
$args['meta_value'] = '1';
$args['orderby'] = 'date';
$args['order'] = 'DESC';
break;
case "popular":
$args['orderby'] = '_slidedeck_popularity';
$args['order'] = 'DESC';
break;
}
$excerpt_length_with_image = intval(slidedeck_get_dynamic_option($slidedeck, 'excerpt_length_with_image')) > -1 ? intval(slidedeck_get_dynamic_option($slidedeck, 'excerpt_length_with_image')) : SLIDEDECK_EXCERPT_LENGTH_WITH_IMAGE;
$excerpt_length_without_image = intval(slidedeck_get_dynamic_option($slidedeck, 'excerpt_length_without_image')) > -1 ? intval(slidedeck_get_dynamic_option($slidedeck, 'excerpt_length_without_image')) : SLIDEDECK_EXCERPT_LENGTH_WITHOUT_IMAGE;
$title_length_with_image = intval(slidedeck_get_dynamic_option($slidedeck, 'title_length_with_image')) > -1 ? intval(slidedeck_get_dynamic_option($slidedeck, 'title_length_with_image')) : SLIDEDECK_TITLE_LENGTH_WITH_IMAGE;
$title_length_without_image = intval(slidedeck_get_dynamic_option($slidedeck, 'title_length_without_image')) > -1 ? intval(slidedeck_get_dynamic_option($slidedeck, 'title_length_without_image')) : SLIDEDECK_TITLE_LENGTH_WITHOUT_IMAGE;
if ($slidedeck['dynamic_options']['type'] != 'rss') {
// Post Based Dynamic SlideDeck.
$dynamic_posts = new WP_Query($args);
$slides = array();
foreach ($dynamic_posts->posts as $post) {
$post_id = $post->ID;
$slide = array();
$slide_nodes = array('type' => $slidedeck['dynamic_options']['type'], 'title' => html_entity_decode(get_the_title($post_id), ENT_QUOTES, 'UTF-8'), 'timestamp' => get_the_time('U', $post_id), 'timesince' => "Posted " . human_time_diff(get_the_time('U', $post_id), current_time('timestamp')) . " ago", 'permalink' => get_permalink($post_id));
$post_content = $post->post_content;
$post_excerpt = false;
if (!empty($post->post_excerpt)) {
$post_excerpt = $post->post_excerpt;
}
switch (slidedeck_get_dynamic_option($slidedeck, 'image_source')) {
case 'none':
$slide_nodes['image'] = null;
break;
default:
case 'content':
$slide_nodes['image'] = slidedeck_parse_html_for_images($post_content, slidedeck_get_dynamic_option($slidedeck, 'validate_images'));
break;
case 'gallery':
// Get the image attachments and output the first one.
$attachments = get_children(array('post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order', 'post_parent' => $post_id));
if (!empty($attachments)) {
$attachment = wp_get_attachment_image_src(reset($attachments)->ID, array($skin_image_width, $skin_image_height));
if ($attachment) {
$slide_nodes['image']['src'] = $attachment[0];
$slide_nodes['image']['width'] = $attachment[1];
$slide_nodes['image']['height'] = $attachment[2];
}
}
break;
case 'thumbnail':
// Get the id of the post thumbnail.
if (current_theme_supports('post-thumbnails') && has_post_thumbnail($post_id)) {
$thumbnail_id = get_post_thumbnail_id($post_id, array($skin_image_width, $skin_image_height));
// Get more detailed info on the image that's being used as the post thumbnail.
$attachment = wp_get_attachment_image_src($thumbnail_id, array($skin_image_width, $skin_image_height));
if ($attachment) {
$slide_nodes['image']['src'] = $attachment[0];
$slide_nodes['image']['width'] = $attachment[1];
$slide_nodes['image']['height'] = $attachment[2];
}
}
break;
}
// Unfortunately we cannot use WP's built in excerpt shortener since
// we cannot easily access the existing set excerpt length and shouldn't
// modify the user's perferences here
if ($post_excerpt === false) {
$the_excerpt = strip_shortcodes($post_content);
} else {
$the_excerpt = $post_excerpt;
}
$the_excerpt_limit = isset($slide_nodes['image']) ? $excerpt_length_with_image : $excerpt_length_without_image;
$slide_nodes['excerpt'] = slidedeck_prepare_excerpt($the_excerpt, $the_excerpt_limit);
$title_chracter_limit = !empty($slide_nodes['image']) ? $title_length_with_image : $title_length_without_image;
$slide_nodes['title'] = slidedeck_prepare_title($slide_nodes['title'], $title_chracter_limit);
// Process content nodes through template to create slide content
ob_start();
foreach ($slide_nodes as $node => $val) {
${$node} = $val;
}
if (empty($slide_nodes['image']) && $image_skin) {
// Keep looking if we don't find a post with an image
continue;
} else {
// Until a full template selection system is built, just get the first one in the folder
$template = reset($skin['templates']);
include $template['file'];
$slide['content'] = ob_get_contents();
}
foreach ($slide_nodes as $node => $val) {
${$node} = null;
}
ob_end_clean();
// Process slide title with post title or specified slide title
$spine_title = get_post_meta($post_id, '_slidedeck_slide_title', true);
$slide['title'] = !empty($spine_title) ? $spine_title : get_the_title($post_id);
$slide['timestamp'] = $slide_nodes['timestamp'];
$slides[] = $slide;
}
} else {
// RSS Based Dynamic SlideDeck.
// Uses simple file-based persistent caching.
// Generate a filename for this feed and smart SlideDeck
$cache_file = slidedeck_dir('/cache/') . md5($slidedeck_id . $slidedeck['dynamic_options']['feed_url']) . '.tmp';
$cache_dir = slidedeck_dir('/cache/');
$use_cache = false;
$user_set_minutes = intval($slidedeck['dynamic_options']['cache_minutes']);
if ($user_set_minutes > -1) {
// After testing the user input values, we check to see that it's in the valid range.
$cache_duration_minutes = $user_set_minutes;
} else {
// set default cache duration (in minutes)
$cache_duration_minutes = 30;
}
// If a cache file exists, check its modification time against the cache time limit.
// Decide if we should use the cache or fetch new data.
if (file_exists($cache_file) && is_writable($cache_dir)) {
$cache_modified = filemtime($cache_file);
$cache_age = floor((time() - $cache_modified) / 60);
if ($cache_age <= $cache_duration_minutes) {
$use_cache = true;
} else {
$use_cache = false;
}
}
if ($use_cache) {
// Use cached data. Load the cache file and read contents.
$feed_xml = @file_get_contents($cache_file);
} else {
// Fetch new info from Feed provider.
$feed_xml = @wp_remote_fopen($slidedeck['dynamic_options']['feed_url']);
if (is_writable($cache_dir)) {
// Add the newly fetched information to the cache.
$fh = fopen($cache_file, 'w');
fwrite($fh, $feed_xml);
fclose($fh);
}
}
// Load the XML data from the previous caching calculations.
if ($xml = @simplexml_load_string($feed_xml)) {
if ($xml->entry) {
$feed_format = 'atom';
$items = $xml->entry;
} elseif ($xml->item) {
$feed_format = 'rss';
$feed = $xml->item;
$items = $feed;
$namespaces = $xml->getNamespaces(true);
} elseif ($xml->channel->item) {
$feed_format = 'rss';
$feed = $xml->channel;
$items = $feed->item;
$namespaces = $xml->getNamespaces(true);
}
} else {
unlink($cache_file);
echo 'Invalid Feed URL Provided for Smart SlideDeck';
$items = array();
}
// Loop through the RSS items and build the Smart SlideDeck.
$entry_count = 0;
foreach ($items as $item) {
if ($entry_count < $slidedeck['dynamic_options']['total']) {
switch ($feed_format) {
case 'atom':
$slide_nodes = array('type' => $slidedeck['dynamic_options']['type'], 'title' => html_entity_decode($item->title, ENT_QUOTES, 'UTF-8'), 'timestamp' => strtotime($item->published), 'timesince' => "Posted " . human_time_diff(strtotime($item->published)) . " ago", 'permalink' => $item->link['href']);
$item_content = $item->content;
break;
case 'rss':
if ($xml->item) {
$date = $item->children($feed['namespaces']['dc'])->date;
} else {
$date = $item->pubDate;
}
$slide_nodes = array('type' => $slidedeck['dynamic_options']['type'], 'title' => html_entity_decode($item->title, ENT_QUOTES, 'UTF-8'), 'timestamp' => strtotime($date), 'timesince' => "Posted " . human_time_diff(strtotime($date)) . " ago", 'permalink' => $item->link);
$item_content = !empty($item->children($namespaces['content'])->encoded) ? $item->children($namespaces['content'])->encoded : $item->description;
break;
}
// Look for images
switch ($slidedeck['dynamic_options']['image_source']) {
case 'none':
$slide_nodes['image'] = null;
break;
default:
case 'content':
$slide_nodes['image'] = slidedeck_parse_html_for_images($item_content, slidedeck_get_dynamic_option($slidedeck, 'validate_images'));
break;
}
// Set the character limits and trim the content.
$chracter_limit = !empty($slide_nodes['image']) ? $excerpt_length_with_image : $excerpt_length_without_image;
$slide_nodes['excerpt'] = slidedeck_prepare_excerpt($item_content, $chracter_limit);
$title_chracter_limit = !empty($slide_nodes['image']) ? $title_length_with_image : $title_length_without_image;
$slide_nodes['title'] = slidedeck_prepare_title($slide_nodes['title'], $title_chracter_limit);
// Process content nodes through template to create slide content
ob_start();
foreach ($slide_nodes as $node => $val) {
${$node} = $val;
}
if (empty($slide_nodes['image']) && $image_skin) {
// Keep looking if we don't find a post with an image
continue;
} else {
// Until a full template selection system is built, just get the first one in the folder
$template = reset($skin['templates']);
include $template['file'];
$slide['content'] = ob_get_contents();
}
foreach ($slide_nodes as $node => $val) {
${$node} = null;
}
ob_end_clean();
// Process slide title with post title or specified slide title
$spine_title = html_entity_decode($item->title, ENT_QUOTES, 'UTF-8');
$slide['title'] = $spine_title;
$slide['timestamp'] = $slide_nodes['timestamp'];
$slides[] = $slide;
$entry_count++;
}
}
}
} else {
// Get the Slides for the SlideDeck requested
$slides = slidedeck_load_slides($slidedeck_id);
$slide_backgrounds = slidedeck_get_option($slidedeck, 'slide_backgrounds');
for ($i = 0; $i < count($slides); $i++) {
$slide_id = $slides[$i]['id'];
if (isset($slide_backgrounds[$slide_id]) && !empty($slide_backgrounds[$slide_id])) {
$slides[$i]['background'] = $slide_backgrounds[$slide_id];
}
}
}
// Generate markup for the template string.
$template_str = slidedeck_output($slidedeck, $slidedeck_uid, $slides, $styles_str, $vertical_smart_skin);
$vertical_addition = "";
if (slidedeck_has_vertical_slides($slidedeck) || $vertical_smart_skin) {
$vertical_addition = '.vertical( { ';
$vertical_addition .= 'speed: ' . slidedeck_get_option($slidedeck, 'speed');
$vertical_addition .= ', scroll: ' . slidedeck_get_option($slidedeck, 'scroll');
$vertical_addition .= ', continueScrolling: ' . slidedeck_get_option($slidedeck, 'continueScrolling');
$vertical_addition .= ' } )';
// Unset the vertical slides option so it's not output to the view.
unset($slidedeck['slidedeck_options']['vertical_slides']);
// Unset the continueScrolling option so it's not output to the slidedeck() function.
unset($slidedeck['slidedeck_options']['continueScrolling']);
}
// Unset the slide_backgrounds option so it isn't output to the view.
unset($slidedeck['slidedeck_options']['slide_backgrounds']);
// Build the JavaScript statement.
$slidedeck_options_json = "{ ";
$sep = "";
foreach ((array) $slidedeck['slidedeck_options'] as $key => $val) {
$slidedeck_options_json .= $sep . $key . ": ";
if ($val == 'true' || $val == 'false') {
$slidedeck_options_json .= $val;
} elseif (is_numeric($val)) {
$slidedeck_options_json .= $val;
} else {
$slidedeck_options_json .= (string) "'{$val}'";
}
$sep = ", ";
}
$slidedeck_options_json .= " }";
if ($is_dynamic === true && !$vertical_smart_skin) {
$template_str .= slidedeck_dynamic_template_content($slidedeck, $slides);
}
$template_str .= '</div>';
$slidedeck_footer_scripts .= '<script type="text/javascript">jQuery( \'#' . $slidedeck_uid . '\' ).slidedeck( ' . $slidedeck_options_json . ' )' . $vertical_addition . ';</script>';
if (!isset($slidedeck_skin_included[$skin['slug']])) {
$slidedeck_skin_included[$skin['slug']] = true;
$skin_css_tags = slidedeck_get_skin_css($skin);
$template_str = $skin_css_tags . $template_str;
if (isset($skin['script_url']) && !empty($skin['script_url'])) {
$slidedeck_footer_scripts .= '<script type="text/javascript" src="' . $skin['script_url'] . '"></script>';
}
}
} else {
$template_str = "";
}
return $template_str;
}
/**
* SlideDeck markup creator
*
* @param object $slidedeck_id The ID of the SlideDeck to render
* @param array $styles [optional] The styles to apply to the main SlideDeck tag ( usually just width and height )
* @param boolean $include_skin_files Include the files for this SlideDeck's skin?
*
* @uses slidedeck_load()
* @uses slidedeck_load_slides()
* @uses slidedeck_dir()
* @uses slidedeck_dynamic_template_content()
* @uses slidedeck_get_skin()
* @uses WP_Query
* @uses get_the_title()
* @uses get_the_time()
* @uses human_time_diff()
* @uses wp_trim_excerpt()
* @uses get_permalink()
* @uses get_post_custom_values()
* @uses get_post_meta()
* @uses slidedeck_get_dynamic_option()
* @uses slidedeck_parse_html_for_images()
* @uses slidedeck_get_option()
* @uses slidedeck_prepare_excerpt()
* @uses slidedeck_output()
*
* @return Rendered SlideDeck markup and JavaScript tag to initialize SlideDeck render
*/
function slidedeck_process_template($slidedeck_id, $styles = array('width' => '100%', 'height' => '300px'), $include_skin_files = true)
{
global $slidedeck_skin_included, $slidedeck_footer_scripts;
// Lookup the SlideDeck requested
$slidedeck = slidedeck_load($slidedeck_id);
if (isset($slidedeck) && !empty($slidedeck)) {
$is_dynamic = (bool) $slidedeck['dynamic'];
$image_skin = false;
$skin = slidedeck_get_skin(isset($slidedeck['skin']) && !empty($slidedeck['skin']) ? $slidedeck['skin'] : 'default');
if ($skin['meta']['Skin Type'] == "fixed") {
$styles['height'] = $skin['meta']['Skin Height'] . "px";
}
if ($skin['meta']['Skin Slide Type'] == "image") {
$image_skin = true;
}
$skin_image_width = isset($skin['meta']['Skin Image Width']) ? $skin['meta']['Skin Image Width'] : '270px';
$skin_image_height = isset($skin['meta']['Skin Image Height']) ? $skin['meta']['Skin Image Height'] : '250px';
// Setup styles array as inline style string
$styles_str = "";
$sep = "";
foreach ((array) $styles as $style => $def) {
$styles_str .= $sep . $style . ":" . $def;
$sep = ";";
}
srand();
// Seed the random number generator
// Create unique SlideDeck ID for this SlideDeck
$slidedeck_uid = "SlideDeck_" . rand(100, 999) . "_" . $slidedeck['id'];
if ($is_dynamic === true) {
$args = array('post_type' => 'post', 'post_status' => 'publish', 'posts_per_page' => $slidedeck['dynamic_options']['total']);
if ($slidedeck['dynamic_options']['filter_by_category'] == '1') {
$args['cat'] = implode(',', $slidedeck['dynamic_options']['filter_categories']);
}
switch ($slidedeck['dynamic_options']['type']) {
case "recent":
$args['orderby'] = 'date';
$args['order'] = 'DESC';
break;
case "featured":
$args['meta_key'] = '_slidedeck_post_featured';
$args['meta_value'] = '1';
$args['orderby'] = 'date';
$args['order'] = 'DESC';
break;
case "popular":
$args['orderby'] = '_slidedeck_popularity';
$args['order'] = 'DESC';
break;
}
$excerpt_length_with_image = SLIDEDECK_EXCERPT_LENGTH_WITH_IMAGE;
$excerpt_length_without_image = SLIDEDECK_EXCERPT_LENGTH_WITHOUT_IMAGE;
$title_length_with_image = SLIDEDECK_TITLE_LENGTH_WITH_IMAGE;
$title_length_without_image = SLIDEDECK_TITLE_LENGTH_WITHOUT_IMAGE;
// Post Based Dynamic SlideDeck.
$dynamic_posts = new WP_Query($args);
$slides = array();
foreach ($dynamic_posts->posts as $post) {
$post_id = $post->ID;
$slide = array();
$slide_nodes = array('type' => $slidedeck['dynamic_options']['type'], 'title' => html_entity_decode(get_the_title($post_id), ENT_QUOTES, 'UTF-8'), 'timestamp' => get_the_time('U', $post_id), 'timesince' => "Posted " . human_time_diff(get_the_time('U', $post_id), current_time('timestamp')) . " ago", 'permalink' => get_permalink($post_id));
$post_content = $post->post_content;
$post_excerpt = false;
if (!empty($post->post_excerpt)) {
$post_excerpt = $post->post_excerpt;
}
switch (slidedeck_get_dynamic_option($slidedeck, 'image_source')) {
case 'none':
$slide_nodes['image'] = null;
break;
default:
case 'content':
$slide_nodes['image'] = slidedeck_parse_html_for_images($post_content, slidedeck_get_dynamic_option($slidedeck, 'validate_images'));
break;
}
// Unfortunately we cannot use WP's built in excerpt shortener since
// we cannot easily access the existing set excerpt length and shouldn't
// modify the user's perferences here
$title_chracter_limit = !empty($slide_nodes['image']) ? $title_length_with_image : $title_length_without_image;
$the_excerpt_limit = isset($slide_nodes['image']) ? $excerpt_length_with_image : $excerpt_length_without_image;
if ($post_excerpt === false) {
$the_excerpt = strip_shortcodes($post_content);
} else {
$the_excerpt = $post_excerpt;
}
$slide_nodes['excerpt'] = slidedeck_prepare_excerpt($the_excerpt, $the_excerpt_limit);
$slide_nodes['title'] = slidedeck_prepare_title($slide_nodes['title'], $title_chracter_limit);
// Process content nodes through template to create slide content
ob_start();
foreach ($slide_nodes as $node => $val) {
${$node} = $val;
}
if (empty($slide_nodes['image']) && $image_skin) {
// Keep looking if we don't find a post with an image
continue;
} else {
// Until a full template selection system is built, just get the first one in the folder
$template = reset($skin['templates']);
include $template['file'];
$slide['content'] = ob_get_contents();
}
foreach ($slide_nodes as $node => $val) {
${$node} = null;
}
ob_end_clean();
// Process slide title with post title or specified slide title
$spine_title = get_post_meta($post_id, '_slidedeck_slide_title', true);
$slide['title'] = !empty($spine_title) ? $spine_title : get_the_title($post_id);
$slide['timestamp'] = $slide_nodes['timestamp'];
$slides[] = $slide;
}
} else {
// Get the Slides for the SlideDeck requested
$slides = slidedeck_load_slides($slidedeck_id);
}
// Generate markup for the template string.
$template_str = slidedeck_output($slidedeck, $slidedeck_uid, $slides, $styles_str);
// Build the JavaScript statement.
$slidedeck_options_json = "{ ";
$sep = "";
foreach ((array) $slidedeck['slidedeck_options'] as $key => $val) {
$slidedeck_options_json .= $sep . $key . ": ";
if ($val == 'true' || $val == 'false') {
$slidedeck_options_json .= $val;
} elseif (is_numeric($val)) {
$slidedeck_options_json .= $val;
} else {
$slidedeck_options_json .= (string) "'{$val}'";
}
$sep = ", ";
}
$slidedeck_options_json .= " }";
if ($is_dynamic === true) {
$template_str .= slidedeck_dynamic_template_content($slidedeck, $slides);
}
$template_str .= '</div>';
$slidedeck_footer_scripts .= '<script type="text/javascript">jQuery( \'#' . $slidedeck_uid . '\' ).slidedeck( ' . $slidedeck_options_json . ' );</script>';
if (!isset($slidedeck_skin_included[$skin['slug']]) && $include_skin_files === true) {
$slidedeck_skin_included[$skin['slug']] = true;
$skin_css_tags = slidedeck_get_skin_css($skin);
$template_str = $skin_css_tags . $template_str;
if (isset($skin['script_url']) && !empty($skin['script_url'])) {
$slidedeck_footer_scripts .= '<script type="text/javascript" src="' . $skin['script_url'] . '"></script>';
}
}
} else {
$template_str = "";
}
return $template_str;
}