if (@txpinterface == 'admin') {
	register_callback('smd_writecat', 'article_ui', 'categories');
	register_callback('smd_writecat_insert', 'article', 'edit', 1);
	register_callback('smd_writecat_insert', 'article', 'create', 1);
}

// ------------------------
function smd_writecat($evt, $stp, $dflt, $rs) {
	$catbox = graf('<label for="smd_writecat">'.smd_writecat_gTxt('new_cat_label').'</label>'.br.fInput('text', 'smd_category', '', '', '', '', '', '', 'smd_writecat'), ' class="category"');
	return $dflt.$catbox;
}

// ------------------------
function smd_writecat_insert($evt, $stp) {
	$save = gps('save');
	$publish = gps('publish');
	if ($save || $publish) {
		$newcats = gps('smd_category');
		if ($newcats) {
			$newcats = do_list($newcats);
			$ctr = 1;
			foreach ($newcats as $newcat) {
				if (!empty($newcat)) {
					$exists = safe_row('*', 'txp_category', "name='".doSlash($newcat)."'");
					if ($exists) {
						$ret = true;
						$name = sanitizeForUrl($newcat);
					} else {
						$title = doSlash($newcat);
						$name = sanitizeForUrl($title);
						$ret = safe_insert('txp_category', "name='$name', type='article', parent='root', title='$title'");
					}
					if ($ret && $ctr <= 2) {
						$_POST['Category'.$ctr] = $name;
					}
				}
				$ctr++;
			}
			rebuild_tree_full('article');
		}
	}
}

// ------------------------
// Plugin-specific replacement strings - localise as required
// TODO: make these into a textpack when plugin composer supports them
function smd_writecat_gTxt($what, $atts = array()) {
	$lang = array(
		'new_cat_label' => 'Or new categories',
	);
	return strtr($lang[$what], $atts);
}