/**
* 產生提示文字
* @return String
*/
public function _produce_tip_text()
{
//langvar.speech.tip.recommend_by_threshold
$threshold = $this->CI->config->item('langvar.' . $this->langvar_name . '.tip.recommend_by_threshold');
$membership_function = $this->_get_membership_function();
$anchor_speech = $this->annotation->get_anchor_speech();
$this->_CI_load('library', 'fuzzy/Output_language_variable_collection');
$tip_text_header = $this->name . '.';
$recommend_langs = array();
foreach ($membership_function as $speech => $ms) {
if (FALSE === in_array($speech, $anchor_speech)) {
//先計算是否高過recommend_by_threshold
$ms_langcoll = new Output_language_variable_collection();
$ms_langcoll->set_memberships($ms);
$score = $ms_langcoll->get_defuzzy_code();
$lang = $this->lang->line($tip_text_header . $speech);
//test_msg($score, array($this->langvar_name.'.tip.recommend_by_threshold', $lang, $threshold, ($score < $threshold)));
if ($score < $threshold) {
break;
}
if (FALSE === $lang) {
continue;
}
$recommend_langs[] = $lang;
if (count($recommend_langs) > 4) {
break;
}
}
}
$recommend = '';
foreach ($recommend_langs as $lang) {
if ($recommend != '') {
$recommend .= $this->lang->line('tip.comma');
}
$recommend .= $lang;
}
$text = $this->lang->line($this->name . '.text', $recommend);
return $text;
}
