function ptn_setup_custom_fields()
{
if (is_admin()) {
include_once dirname(__FILE__) . '/enhanced-custom-fields/enhanced-custom-fields.php';
$sections = array();
$fields = array();
$newsletter_panel =& new PECF_Panel('newsletter-data', 'Select posts for newsletter', PTN_NEWSLETTER_POST_TYPE, 'normal', 'high');
if (get_option('ptn_highlights') != 'dont_show') {
$fields[] = PECF_Field::factory('selectMulti', 'highlights');
$sections[] = 'highlights';
}
if (get_option('ptn_featured_post') != 'dont_show') {
$fields[] = PECF_Field::factory('select', 'featured_post');
$sections[] = 'featured_post';
}
if (get_option('ptn_main_articles') != 'dont_show') {
$fields[] = PECF_Field::factory('selectMulti', 'main_articles', 'Main section');
$sections[] = 'main_articles';
}
if (get_option('ptn_side_articles') != 'dont_show') {
$fields[] = PECF_Field::factory('selectMulti', 'side_articles', 'Side section');
$sections[] = 'side_articles';
}
// add posts to sections
$i = 0;
foreach ($sections as $section) {
// for multiselects, get selected posts and put them at the top in the correct order
$featured_post_options = array();
$all_posts = get_post_meta($_GET['post'], '_' . $section, true);
$post_IDs = "";
$j = 0;
if (is_array($all_posts)) {
foreach ($all_posts as $post_ID) {
$j++;
if ($j > 1) {
$post_IDs .= ",";
}
$post_IDs .= $post_ID;
$selected_post = get_post($post_ID);
$featured_post_options[$selected_post->ID] = $selected_post->post_title;
}
}
// get the rest of the posts
$post_type = get_option('ptn_' . $section);
$latest_posts = get_posts('post_type=' . $post_type . '&numberposts=' . get_option('ptn_number_latest_posts') . '&exclude=' . $post_IDs);
foreach ($latest_posts as $post) {
$featured_post_options[$post->ID] = $post->post_title;
}
$fields[$i]->add_options($featured_post_options);
$i++;
}
$fields[] = PECF_Field::factory('media', 'header_image', 'Header Image')->set_labels('Header Image')->set_post_type(PTN_NEWSLETTER_POST_TYPE)->help_text('<p style="color:red">Note: Make sure to click the button that says "Header Image", and NOT the "Insert into Post" button. <br />If you upload your own image, you\'ll have to click the "Save all changes" button first, then click the "Show" link next to your image, then click the "Header Image" button.</p>');
$newsletter_panel->add_fields($fields);
}
}
function render_field()
{
$return = '';
if ($this->is_multiply) {
foreach ($this->values as $val) {
// create new field object.
$field = PECF_Field::factory($this->type, $this->name, $this->label);
$field->post_id = $this->post_id;
$field->value = $val;
$field->is_subfield = true;
$return .= $field->render();
}
}
$return .= $this->render();
return $return;
}