";
}
}
echo $output;
}
// returns the current custom post type if applicable, or false if not
public static function current_post_type() {
if(isset($_GET['post_type'])) {
return $_GET['post_type'];
}
else if(isset($_GET['post'])) {
global $post;
if(isset($post->ID)) {
return get_post_type($post->ID);
}
}
return '';
}
// returns the current action
public static function current_action() {
global $pagenow;
switch($pagenow) {
case 'index.php':
return 'dashboard';
case 'edit.php':
return 'search';
case 'post-new.php':
return 'new';
case 'post.php':
return 'edit';
}
}
// given a post_id, checks if it should be displayed on the current page
public function should_display_post($post_id=null, $on_action=null, $on_content_type=null) {
if(!$on_content_type) {
$on_content_type = self::current_post_type();
}
if(!$on_action) {
$on_action = self::current_action();
}
if(!$post_id) {
global $post;
$post_id = $post->ID;
}
if(!$on_action || !$post_id) {
return false;
}
$meta_field = self::$custom_field_prefix . "loc_";
$meta_field .= $on_action;
if($on_content_type) {
$meta_field .= "_" . $on_content_type;
}
$result = get_post_meta($post_id,$meta_field);
if(isset($result[0])) {
if($result[0]) {
return $meta_field;
}
return false;
}
return false;
}
// return all notes
public static function get_notes() {
$args = array(
'post_type'=>self::$post_type_name,
'orderby'=>'menu_order',
'order'=>'ASC'
);
return get_posts($args);
}
// Called on hook 'all_admin_notices'
public function all_admin_notices() {
// on the dashboard we print a pretty widget, not a notice
if(self::current_action() == 'dashboard') {
return;
}
$posts = self::get_notes();
$output = '';
foreach($posts as $post) {
$meta = get_post_meta($post->ID, null);
$t = $post->post_title;
$c = $post->post_content;
$c = apply_filters('the_content', $c);
if(self::should_display_post($post->ID)) {
$output .= "
{$t}
{$c}
";
}
}
echo $output;
}
// Called on wordpress hook 'admin_init'
public function admin_init() {
add_meta_box('display-location-div', __('When and where to display this message'), array($this,'display_info_metabox'), 'dsn_note', 'normal', 'low');
add_action('save_post', array($this,'save_meta'));
$types = get_post_types();
foreach($types as $type=>$type_obj) {
if(!in_array($type,self::$exclude_types)) {
self::$post_types[$type] = get_post_type_object($type);
}
}
}
// Called on wordpress hook 'init'
public function init() {
self::add_content_type();
}
// save all of our meta fields
public static function save_meta($post_id) {
// prevent wp from killing our custom fields during autosave
if ( defined('DOING_AUTOSAVE') && DOING_AUTOSAVE ) {
return $post_id;
}
if(is_array($_POST) && count($_POST)) {
self::check_and_save_checkbox('loc_dashboard',$post_id);
self::check_and_save_checkbox('instructions_exclude',$post_id);
foreach(self::$post_types as $type=>$type_obj) {
self::check_and_save_checkbox("loc_edit_".$type,$post_id);
self::check_and_save_checkbox("loc_new_".$type,$post_id);
self::check_and_save_checkbox("loc_search_".$type,$post_id);
}
}
}
// saves post data from checkboxes
public static function check_and_save_checkbox($key,$post_id = null) {
if(!$post_id) {
global $post;
$post_id = $post->ID;
}
$key = self::$custom_field_prefix . $key;
if(isset($_POST[$key])) {
update_post_meta($post_id, $key, 1);
}
else {
update_post_meta($post_id, $key, 0);
}
}
public static $custom;
public static function get_checkbox($key, $msg, $class='') {
$checked = '';
$key = self::$custom_field_prefix . $key;
if(isset(self::$custom[$key][0]) && self::$custom[$key][0] == 1) {
$checked = " checked='checked' ";
}
$ret = "";
$ret .= "";
$ret .= "";
$ret .= "";
return $ret;
}
public static function display_info_metabox() {
global $post;
self::$custom = get_post_custom($post->ID);
echo "
";
echo "
";
echo self::get_checkbox("loc_dashboard",__("Include in the dashboard widget"));
echo "
";
/* TODO: manual action settings
echo "
";
echo "
";
echo self::get_checkbox("dsn_loc_manual",__("Include this note on the following pages (eg, options-general.php to appear on the Settings->General page)."));
echo "
";
*/
echo "
";
echo self::get_checkbox("instructions_exclude",__("Exclude this note from the site instruction manual."));
echo "
";
echo "
";
echo "
" . __("Display this message in the following locations:") . "