' . $args['description'] . '
'; } } /** * Create HTML radio input for options page * * @param $args */ function twobc_image_gallery_create_radio($args) { $field_value = twobc_image_gallery_get_options(); $field_value = (isset($field_value[$args['name']]) ? sanitize_text_field($field_value[$args['name']]) : null); // field nonce wp_nonce_field( 'twobc_image_gallery_options_nonce', // action 'twobc_image_gallery_options_' . $args['name'] // custom name ); if ( !empty($args['options']) ) { if (!empty($args['description'])) { echo '' . $args['description'] . '
'; } echo ' '; } } /** * Create HTML number for options page * * @param $args */ function twobc_image_gallery_create_number($args) { $field_value = twobc_image_gallery_get_options(); $field_value = (isset($field_value[$args['name']]) ? intval($field_value[$args['name']]) : null); // field nonce wp_nonce_field( 'twobc_image_gallery_options_nonce', // action 'twobc_image_gallery_options_' . $args['name'] // custom name ); echo ' '; if (!empty($args['description'])) { echo '' . $args['description'] . '
'; } } add_action('admin_notices', 'twobc_image_gallery_admin_notices'); /** * Add admin notice to 2BC Image Gallery page * * @action admin_notices */ function twobc_image_gallery_admin_notices() { $image_gallery_options = twobc_image_gallery_get_options(); global $post; $current_screen = get_current_screen(); if ( isset($image_gallery_options['gallery_page']) && 'page' == $current_screen->id && 'edit' == $current_screen->parent_base && $post->ID == $image_gallery_options['gallery_page'] ) { echo ''; _e('This page is currently being used to display the 2BC Media Gallery', TWOBC_IMAGEGALLERY_TEXT_DOMAIN); echo '
';
echo '
';
echo '
';
echo '
';
}
add_action('twobc_img_galleries_edit_form_fields', 'twobc_image_gallery_taxonomy_fields_edit', 10, 2);
/**
* Add custom fields to Edit Gallery page - featured gallery image picker
*
* @param $term
*
* @action twobc_img_galleries_edit_form_fields
*/
function twobc_image_gallery_taxonomy_fields_edit($term) {
// retrieve the existing value(s) for this meta field. This returns an array
$term_meta = get_option( 'taxonomy_' . $term->term_id );
echo ''; _e('Choose or upload a picture to be the galleries featured image', TWOBC_IMAGEGALLERY_TEXT_DOMAIN); echo '
'; echo ''; _e( 'Choose or upload a picture to be the galleries featured image', TWOBC_IMAGEGALLERY_TEXT_DOMAIN ); echo '
'; echo '
';
$output .= '
';
$output .= '
';
$output .= '
';
$output .= '
';
return $output;
}
// find out if we were passed galleries to display
$optional_galleries = array();
if (
!empty($args['galleries'])
&& is_string($args['galleries'])
) {
$optional_galleries = explode(',', $args['galleries']);
if (
!empty($optional_galleries)
&& is_array($optional_galleries)
) {
foreach ($optional_galleries as &$gallery_id) {
$gallery_id = esc_attr(trim($gallery_id));
}
}
}
$get_terms_args = array(
'cache_domain' => 'twobc_image_gallery',
);
if ( !empty($optional_galleries) ) {
foreach ($optional_galleries as $a_term_id) {
$get_terms_args['include'][] = $a_term_id;
}
}
// get all current terms
$term_array = get_terms('twobc_img_galleries', $get_terms_args);
// Begin display
$output .= '
';
$output .= '
';
$output .= '
';
if (!empty($term_array)) {
$output .= ' ID, // page id
array(
'display_gallery' => esc_attr($term_obj->term_id),
)
) . '"';
$output .= ' class="thumb_wrapper';
$output .= ' gallery_' . esc_attr($term_obj->term_id);
$output .= '"';
// output width in style tag here
// get current thumb size
$current_thumb_size = twobc_image_gallery_get_image_sizes('thumbnail');
if ( !empty($current_thumb_size) ) {
$output .= ' style="';
$output .= 'width:' . $current_thumb_size['width'] . 'px';
$output .= '"';
}
$output .= '>';
$output .= ' . ')
';
$output .= ' ' . esc_html($term_obj->name) . ' ';
$output .= '
';
}
return apply_filters('twobc_image_gallery_output_thumb', $output);
}
add_action('wp_ajax_twobc_image_gallery_generate', 'twobc_image_gallery_ajax_callback');
add_action('wp_ajax_nopriv_twobc_image_gallery_generate', 'twobc_image_gallery_ajax_callback');
/**
* AJAX callback for image gallery display
*/
function twobc_image_gallery_ajax_callback() {
// verify nonce
check_ajax_referer('twobc_image_gallery_ajax', 'ajax_nonce');
$output = '';
$args = array();
$args['page_id'] = esc_attr($_POST['page_id']);
$args['term_id'] = esc_attr($_POST['gallery']);
if (!empty($args['term_id'])) {
$args['term_title'] = get_term($args['term_id'], 'twobc_img_galleries');
$args['term_title'] = $args['term_title']->name;
$args['page_num'] = intval(esc_attr($_POST['page_num']));
$args['sort_order'] = esc_attr($_POST['sort_order']);
$args['sort_method'] = esc_attr($_POST['sort_method']);
$args['paginate_galleries'] = esc_attr($_POST['paginate_galleries']);
$args['images_per_page'] = esc_attr($_POST['images_per_page']);
$args['back_button'] = esc_attr($_POST['back_button']);
if ( !empty($_POST['parents']) ) {
$args['parents'] = esc_attr($_POST['parents']);
}
}
$output .= twobc_image_gallery_get_gallery_html($args);
echo apply_filters('twobc_image_gallery_output_ajax', $output);
die(); // this is required to terminate immediately and return a proper response
}
/**
* Get HTML display when viewing a gallery's contents
*
* @param $args
*
* @return string
*/
function twobc_image_gallery_get_gallery_html($args) {
$output = '';
$plugin_options = twobc_image_gallery_get_options();
$default_args = array(
'page_id' => '-1',
'term_id' => '-1',
'term_title' => '',
'page_num' => '1',
'sort_order' => $plugin_options['sort_order'],
'sort_method' => $plugin_options['sort_method'],
'paginate_galleries' => $plugin_options['paginate_galleries'],
'images_per_page' => $plugin_options['images_per_page'],
'parents' => '',
'back_button' => '',
);
$args = wp_parse_args($args, $default_args);
if ( '-1' != $args['term_id'] ) {
// pagination options
if (
'1' == $args['paginate_galleries']
&& is_numeric($args['images_per_page'])
) {
$args['images_per_page'] = intval($args['images_per_page']);
// calculate offset
$offset = ($args['page_num'] - 1) * $args['images_per_page'];
} else {
$args['images_per_page'] = -1;
}
$get_posts_args = array (
'posts_per_page' => $args['images_per_page'],
'post_type' => 'attachment',
'post_mime_type' => 'image',
'tax_query' => array (
array (
'taxonomy' => 'twobc_img_galleries',
'field' => 'id',
'terms' => $args['term_id'],
),
),
'orderby' => $args['sort_method'],
'order' => strtoupper($args['sort_order']),
);
// optional arguments
if ( !empty($offset )) {
$get_posts_args['offset'] = $offset;
}
if ( !empty($args['parents']) ) {
$get_posts_args['tax_query']['relation'] = 'AND';
$parents = explode(',', $args['parents']);
if ( !empty($parents) ) {
foreach ($parents as $_parent) {
$get_posts_args['tax_query'][] = array(
'taxonomy' => 'twobc_img_galleries',
'field' => 'id',
'terms' => trim($_parent),
);
}
}
}
$gallery_images = get_posts($get_posts_args);
if (!empty($gallery_images)) {
$output .= '
';
$custom_div_open = false;
// if separate calendar galleries is active
if (
isset($args['separate_galleries'])
&& '1' == $args['separate_galleries']
) {
// get all year-based galleries into their own container
$years_output = array();
foreach ($term_array as $key => $term_obj) {
// if name matches a 4 digit number, between 1900 and 2099
if ( 1 == preg_match('/^(19|20)\d{2}$/', $term_obj->name) ) {
// output this term
$years_output[] = ' ' . twobc_image_gallery_get_thumb_html($term_obj, $args);
// remove from $term_array
unset($term_array[$key]);
}
}
if ( !empty($years_output) ) {
// add opening html
array_unshift($years_output, '
';
foreach ($years_output as $_output) {
$output .= $_output;
}
}
if (
isset($args['show_months'])
&& '1' == $args['show_months']
) {
$display_months = true;
} else {
$display_months = false;
}
// build array of calendar months
$calendar_months = apply_filters(
'twobc_image_gallery_calendar_months', // filter name
array ( // filter argument
__('January', TWOBC_IMAGEGALLERY_TEXT_DOMAIN),
__('February', TWOBC_IMAGEGALLERY_TEXT_DOMAIN),
__('March', TWOBC_IMAGEGALLERY_TEXT_DOMAIN),
__('April', TWOBC_IMAGEGALLERY_TEXT_DOMAIN),
__('May', TWOBC_IMAGEGALLERY_TEXT_DOMAIN),
__('June', TWOBC_IMAGEGALLERY_TEXT_DOMAIN),
__('July', TWOBC_IMAGEGALLERY_TEXT_DOMAIN),
__('August', TWOBC_IMAGEGALLERY_TEXT_DOMAIN),
__('September', TWOBC_IMAGEGALLERY_TEXT_DOMAIN),
__('October', TWOBC_IMAGEGALLERY_TEXT_DOMAIN),
__('November', TWOBC_IMAGEGALLERY_TEXT_DOMAIN),
__('December', TWOBC_IMAGEGALLERY_TEXT_DOMAIN),
)
);
$month_output = array();
foreach ($term_array as $_key => $_term_obj) {
// if name matches a calendar month
foreach ($calendar_months as $_month_key => $_month_name) {
if ($_term_obj->name == $_month_name) {
if ($display_months) {
// store this entry in the correct order
$month_output[$_month_key] = twobc_image_gallery_get_thumb_html($_term_obj, $args);
}
// remove from $term_array
unset($term_array[$_key]);
}
}
}
if (
!empty($month_output)
&& $display_months
) {
// sort array by key
ksort($month_output, SORT_NUMERIC);
// add opening html
array_unshift($month_output, '
';
foreach ($month_output as $_output) {
$output .= $_output;
}
}
// check to see if we have any custom galleries left to display
// for custom section title
if ( !empty($term_array) ) {
$custom_div_open = true;
$output .= '
';
return apply_filters('twobc_image_gallery_output_list', $output);
}
/**
* Get image thumb HTML
*
* @param $term_obj
*
* @return string
*/
function twobc_image_gallery_get_thumb_html($term_obj, $passed_args = array()) {
$output = '';
$plugin_options = twobc_image_gallery_get_options();
// try to get gallery featured image
$cat_thumb_id = get_option('taxonomy_' . $term_obj->term_id);
$cat_thumb_id = (!empty($cat_thumb_id['gallery_featured_img']) ? $cat_thumb_id['gallery_featured_img'] : null);
// if no image present, get an image according to the plugin settings - first, last, random
if ( empty($cat_thumb_id) ) {
$orderby = 'date';
$order = 'DESC';
if ( !empty($plugin_options['default_gallery_thumb']) ) {
switch ($plugin_options['default_gallery_thumb']) {
case 'first' :
$order = 'ASC';
break;
case 'random' :
$orderby = 'rand';
break;
case 'last' :
default :
}
}
$get_posts_args = array (
'posts_per_page' => 1,
'post_type' => 'attachment',
'post_mime_type' => 'image',
'tax_query' => array (
array (
'taxonomy' => 'twobc_img_galleries',
'terms' => $term_obj->term_id,
),
),
'order' => $order,
'orderby' => $orderby,
);
// update - filter thumb by parents, if present
if ( !empty($passed_args['parents']) ) {
$parents = explode(',', $passed_args['parents']);
if ( !empty($parents) ) {
$get_posts_args['tax_query']['relation'] = 'AND';
foreach ($parents as $_parent) {
if ( !empty($_parent) ) {
$get_posts_args['tax_query'][] = array (
'taxonomy' => 'twobc_img_galleries',
'field' => 'id',
'terms' => trim($_parent),
);
}
}
}
}
$cat_thumb_id = get_posts($get_posts_args);
if (!empty($cat_thumb_id)) {
$cat_thumb_id = reset($cat_thumb_id);
$cat_thumb_id = $cat_thumb_id->ID;
} else {
$cat_thumb_id = -1;
}
}
if ( -1 != $cat_thumb_id ) {
// get attachment details
$cat_thumb_obj = wp_get_attachment_image_src($cat_thumb_id, 'thumbnail');
// build output
$output .= '' . apply_filters('twobc_image_gallery_year_title', __('Galleries by year', TWOBC_IMAGEGALLERY_TEXT_DOMAIN)) . '
'); // add closing html $years_output[] = '' . apply_filters('twobc_image_gallery_month_title', __('Galleries by month', TWOBC_IMAGEGALLERY_TEXT_DOMAIN)) . '
'); // add closing html $month_output[] = '' . apply_filters('twobc_image_gallery_custom_title', __('Custom Galleries', TWOBC_IMAGEGALLERY_TEXT_DOMAIN)) . '
'; } } // standard output, double check we still have terms if ( false === $custom_div_open ) { $output .= '
';
}
if ( !empty($term_array) ) {
foreach ($term_array as $_term_obj) {
$display_gallery = true;
if ( !empty($parent_galleries) ) {
$display_gallery = twobc_image_gallery_contains_like_terms($_term_obj->term_id, $parent_galleries);
}
if ( $display_gallery ){
$output .= ' ' . twobc_image_gallery_get_thumb_html($_term_obj, $args);
}
}
$output .= '
';
}
} else {
$output .= ' ' . __('No galleries to display!', TWOBC_IMAGEGALLERY_TEXT_DOMAIN) . '
'; } $output .= '
';
// gallery title
$output .= '
'; $output .= apply_filters('twobc_image_gallery_title', sprintf(__('%s', TWOBC_IMAGEGALLERY_TEXT_DOMAIN), $args['term_title'])); $output .= '
'; // back button switch (true) { case ('0' === $args['back_button']) : $back_button_url = false; break; case (!empty($args['back_button'])) : $back_button_url = esc_url($args['back_button']); break; case (empty($args['back_button'])) : default : $back_button_url = twobc_image_gallery_get_gallery_url($args['page_id']); } if ( !empty($back_button_url) ) { $output .= '
';
$output .= ' ';
$output .= apply_filters('twobc_image_gallery_button_back', __('« Back to galleries', TWOBC_IMAGEGALLERY_TEXT_DOMAIN));
$output .= '
';
$output .= '
';
}
foreach ($gallery_images as $a_image) {
$attachment_obj = wp_get_attachment_image_src($a_image->ID, 'thumbnail');
$attachment_obj_full = wp_get_attachment_image_src($a_image->ID, 'full');
$output .= ' ';
$output .= ' ' . esc_attr($a_image->post_title) . ' ';
$output .= '
';
}
// optional page buttons
if ('1' == $args['paginate_galleries']) {
$output .= '