/**
* @param string $post_type
* @param int $post_parent
* @return void
*/
public function find_post_parents($post_type, $post_parent)
{
if (!is_post_type_hierarchical($post_type)) {
return;
}
if (0 < $post_parent) {
$this->parent_elements = mlp_get_linked_elements($post_parent);
}
}
/**
* show the metabox
*
* @access public
* @since 0.1
* @uses get_site_option, get_current_blog_id
* @param $post post object
* @return void
*/
public function display_cpt_meta_box($post)
{
$linked = mlp_get_linked_elements($post->ID);
if (0 < count($linked)) {
// post is a linked post
$languages = mlp_get_available_languages();
if (0 < count($languages)) {
?>
<select name="multilingual_press" id="multilingual_press">
<option><?php
_e('choose preview language', 'multilingualpress');
?>
</option>
<?php
foreach ($languages as $language_blogid => $language_name) {
if ($language_blogid != get_current_blog_id()) {
?>
<option value="<?php
echo $language_blogid;
?>
"><?php
echo $language_name;
?>
</option>
<?php
}
}
?>
</select>
<div id="multilingual_press_content"></div>
<script type="text/javascript">
//<![CDATA[
jQuery( document ).ready( function( $ ) {
$( '#multilingual_press' ).change( function() {
blogid = '';
$( '#multilingual_press option:selected' ).each( function () {
blogid += $( this ).attr( 'value' );
} );
$.post( ajaxurl,
{
action: 'get_metabox_content',
blogid: blogid,
post: <?php
echo $post->ID;
?>
},
function( returned_data ) {
if ( '' != returned_data ) {
$( '#multilingual_press_content' ).html( returned_data );
$( '#multilingual_press_content #headline' ).remove();
$( '#multilingual_press_content #content' ).remove();
}
}
);
} );
} );
//]]>
</script>
<?php
}
}
}
/**
* Get the selected blog's post permalink
*
* @since 0.1
* @access private
* @param int $blog_id
* @param int $post_id
* @uses mlp_get_linked_elements, get_current_blog_id, get_blog_post, get_blog_permalink
* @return string $permalink | the post permalink
*/
private function get_element_permalink($blog_id, $post_id)
{
// Get blog id of desired blog
$remote_blog_id = intval($blog_id);
// Get all elements linked to the current one
$elements = mlp_get_linked_elements(intval($post_id), '', get_current_blog_id());
// No linked elements found
if (array() == $elements || empty($elements[$remote_blog_id])) {
return '';
}
$remote_post_id = intval($elements[$remote_blog_id]);
$post = get_blog_post($remote_blog_id, $remote_post_id);
if (is_object($post) && 'publish' == $post->post_status) {
$permalink = get_blog_permalink($remote_blog_id, $remote_post_id);
} else {
return '';
}
if (1 < strlen($permalink)) {
return $permalink;
}
return '';
}
/**
* Check for elements we can redirect to
* and do the redirect.
*
* @since 0.2
* @param int $found | Blog ID
* @param string $lang | Language code of current blog
* @return FALSE | If no related element found
*/
private function do_redirect($found, $lang)
{
// Get currently queried object
$object = get_queried_object();
if (!$object) {
if (is_home()) {
wp_redirect(get_site_url($found));
exit;
}
return FALSE;
}
$url = '';
// Can we redirect to a specific element?
// @TODO: make calling mlp_get_linked_elements easier, i.e. no parameters necessary
$linked_elements = mlp_get_linked_elements($object->ID, '', get_current_blog_id());
// Redirect to specific element within blog. Above
// function returns array() when nothing found,
// so ! is_array won't work here.
if (array() !== $linked_elements) {
$post = get_blog_post($found, $linked_elements[$found]);
// Is the post status 'publish'?
if ('publish' == $post->post_status) {
$url = get_blog_permalink($found, $linked_elements[$found]);
}
}
// No related elements found
if ('' == $url) {
return FALSE;
}
// Otherwise do the redirect
wp_redirect($url);
exit;
}
/**
* update post meta
*
* @param int $post_id ID of the post
* @return void
*/
public function save_post($post_id)
{
// leave function if box was not available
if (!isset($_POST['trasher_box'])) {
return;
}
// We're only interested in published posts at this time
$post_status = get_post_status($post_id);
if ('publish' !== $post_status && 'draft' !== $post_status) {
return;
}
// Avoid recursion:
// wp_insert_post() invokes the save_post hook, so we have to make sure
// the loop below is only entered once per save action. Therefore we save
// the source_blog in a static class variable. If it is already set we
// know the loop has already been entered and we can exit the save action.
if (NULL === self::$source_blog) {
self::$source_blog = get_current_blog_id();
} else {
return;
}
// old key
delete_post_meta($post_id, 'trash_the_other_posts');
$trash_the_other_posts = FALSE;
// Should the other post also been trashed?
if (isset($_POST['_trash_the_other_posts']) && 'on' == $_POST['_trash_the_other_posts']) {
update_post_meta($post_id, '_trash_the_other_posts', '1');
$trash_the_other_posts = TRUE;
} else {
update_post_meta($post_id, '_trash_the_other_posts', '0');
}
// Get linked posts
$linked_posts = mlp_get_linked_elements($post_id);
foreach ($linked_posts as $linked_blog => $linked_post) {
switch_to_blog($linked_blog);
delete_post_meta($linked_post, 'trash_the_other_posts');
// Should the other post also been trashed?
if ($trash_the_other_posts) {
update_post_meta($linked_post, '_trash_the_other_posts', '1');
} else {
update_post_meta($linked_post, '_trash_the_other_posts', '0');
}
restore_current_blog();
}
}
/**
* Get the linked elements and display them as a list
* flag from a blogid
*
* @since 0.1
* @access public
* @param int $blog_id ID of a blog
* @uses mlp_get_available_languages, mlp_get_available_languages_titles, is_single,
* is_page, mlp_get_linked_elements, mlp_get_language_flag, get_current_blog_id,
* get_blog_post, get_site_url
* @return string output of the bloglist
*/
public static function show_linked_elements($args)
{
global $wp_query;
$output = '';
$languages = mlp_get_available_languages();
$language_titles = mlp_get_available_languages_titles();
if (!(0 < count($languages))) {
return $output;
}
// returns NULL if there is no post, get_the_ID() throws a notice,
// if we don' check this before.
$default_post = get_post();
if ($default_post) {
$current_element_id = get_the_ID();
} elseif (!empty($wp_query->queried_object) && !empty($wp_query->queried_object->ID)) {
$current_element_id = $wp_query->queried_object->ID;
} else {
$current_element_id = 0;
}
$linked_elements = array();
// double check to avoid issues with a static front page.
if (!is_front_page() && !is_home() && is_singular()) {
$linked_elements = mlp_get_linked_elements($current_element_id);
}
$defaults = array('link_text' => 'text', 'echo' => TRUE, 'sort' => 'blogid', 'show_current_blog' => FALSE);
$params = wp_parse_args($args, $defaults);
if ('blogid' == $params['sort']) {
ksort($languages);
} else {
asort($languages);
}
$output .= '<div class="mlp_language_box"><ul>';
foreach ($languages as $language_blog => $language_string) {
$current_language = mlp_get_current_blog_language(2);
if ($current_language == $language_string && $params['show_current_blog'] == FALSE) {
continue;
}
// Get params
$flag = mlp_get_language_flag($language_blog);
$title = mlp_get_available_languages_titles(TRUE);
// Display type
if ('flag' == $params['link_text'] && '' != $flag) {
$display = '<img src="' . $flag . '" alt="' . $languages[$language_blog] . '" title="' . $title[$language_blog] . '" />';
} else {
if ('text' == $params['link_text'] && !empty($language_titles[$language_blog])) {
$display = $language_titles[$language_blog];
} else {
if ('text_flag' == $params['link_text']) {
$display = '<img src="' . $flag . '" alt="' . $languages[$language_blog] . '" title="' . $title[$language_blog] . '" />';
if (!empty($language_titles[$language_blog])) {
$display .= ' ' . $language_titles[$language_blog];
}
} else {
$display = $languages[$language_blog];
}
}
}
$class = get_current_blog_id() == $language_blog ? 'id="mlp_current_locale"' : '';
// set element to 0 to avoid empty element
if (!isset($linked_elements[$language_blog])) {
$linked_elements[$language_blog] = 0;
}
// Check post status
$post = $linked_elements[$language_blog] > 0 ? get_blog_post($language_blog, $linked_elements[$language_blog]) : '';
do_action('mlp_before_link');
$link = (is_single() || is_page() || is_home()) && isset($post->post_status) && ('publish' === $post->post_status || 'private' === $post->post_status && is_super_admin()) ? get_blog_permalink($language_blog, $linked_elements[$language_blog]) : get_site_url($language_blog);
// apply filter to help others to change the link
$link = apply_filters('mlp_linked_element_link', $link, $language_blog, $linked_elements[$language_blog]);
do_action('mlp_after_link');
// Output link elements
$output .= '<li ' . ($current_language == $language_string ? 'class="current"' : '') . '><a rel="alternate" hreflang="' . self::get_blog_language($language_blog) . '" ' . $class . ' href="' . $link . '">' . $display . '</a></li>';
}
$output .= '</ul></div>';
return $output;
}
/**
* Load the Content for the Metabox
*
* @access public
* @since 0.1
* @uses switch_to_blog, get_post, get_the_title, get_post_status, admin_url, apply_filters, restore_current_blog
* @return void
*/
public function ajax_get_metabox_content()
{
$has_linked = FALSE;
// Get elements linked to this item
$linked = mlp_get_linked_elements(esc_attr($_POST['post']));
// No elements available? Au revoir.
if (!$linked) {
die(__('No post available', 'multilingualpress'));
}
// Walk through elements
foreach ($linked as $linked_blog => $linked_post) {
// Not concerning this blog?
if (intval($_POST['blogid']) !== $linked_blog) {
continue;
}
// Switch to appropriate blog to
// have the helper functions at hand
switch_to_blog($linked_blog);
// Get post
$remote_post = get_post($linked_post);
// Create output
if (NULL != $remote_post) {
$has_linked = TRUE;
echo '<p>' . __('Status:', 'multilingualpress') . ' <b>' . ucfirst(get_post_status($linked_post)) . '</b> | ' . __('Published on:', 'multilingualpress') . '<b> ' . get_post_time(get_option('date_format'), FALSE, $linked_post) . '</b></p>';
echo '<h2 id="headline">' . get_the_title($linked_post) . '</h2>';
echo '<textarea id="content" class="large-text cols="80" rows="10" readonly="readonly">' . apply_filters('the_content', $remote_post->post_content) . '</textarea>';
echo '<p><a href="' . admin_url('post.php?post=' . $linked_post . '&action=edit') . '">' . __('Edit', 'multilingualpress') . '</a></p>';
}
restore_current_blog();
}
// No posts available?
if (FALSE === $has_linked) {
die('<p>' . __('No post available', 'multilingualpress') . '</p>');
}
die;
}