function admin_script()
{
parent::admin_script();
?>
<script type="text/html" id="tmpl-dropdown-question-answer">
<tr>
<td class="lpr-sortable-handle">
<i class="dashicons dashicons-sort"></i>
</td>
<td>
<input type="hidden" name="lpr_question[{{data.question_id}}][answer][is_true][__INDEX__]" value="0" />
<input type="radio" data-group="lpr-question-answer-{{data.question_id}}" name="lpr_question[{{data.question_id}}][answer][is_true][__INDEX__]" value="1" />
</td>
<td><input type="text" name="lpr_question[{{data.question_id}}][answer][text][__INDEX__]" value="" /></td>
<td align="center"><span class=""><i class="dashicons dashicons-trash"></i></span> </td>
</tr>
</script>
<?php
}
function admin_script()
{
parent::admin_script();
?>
<script type="text/html" id="tmpl-multi-choice-question-answer">
<tr class="lpr-disabled">
<td class="lpr-sortable-handle">
<i class="dashicons dashicons-sort"></i>
</td>
<td class="lpr-is-true-answer">
<input type="hidden" name="lpr_question[{{data.question_id}}][answer][is_true][__INDEX__]" value="0" />
<input type="checkbox" name="lpr_question[{{data.question_id}}][answer][is_true][__INDEX__]" value="1" />
</td>
<td><input class="lpr-answer-text" type="text" name="lpr_question[{{data.question_id}}][answer][text][__INDEX__]" value="" /></td>
<td align="center" class="lpr-remove-answer"><span class=""><i class="dashicons dashicons-trash"></i></span> </td>
</tr>
</script>
<?php
}
/**
* Enqueue scripts
*/
function enqueue_script()
{
if (!in_array(get_post_type(), array('lpr_question'))) {
return;
}
ob_start();
?>
<script>
var form = $('#post');
form.submit(function (evt) {
var $title = $('#title'),
is_error = false;
if (0 == $title.val().length) {
alert('<?php
_e('Please enter the title of the question', 'learn_press');
?>
');
$title.focus();
is_error = true;
} else if ( $('.lpr-question-types').length && ( 0 == $('.lpr-question-types').val().length ) ) {
alert('<?php
_e('Please a type of question', 'learn_press');
?>
');
$('.lpr-question-types').focus();
is_error = true;
}
if (is_error) {
evt.preventDefault();
return false;
}
});
</script>
<?php
$script = ob_get_clean();
$script = preg_replace('!</?script>!', '', $script);
learn_press_enqueue_script($script);
ob_start();
?>
<script type="text/html" id="tmpl-form-quick-add-question">
<div id="lpr-form-quick-add-question" class="lpr-quick-add-form">
<input type="text">
<select class="lpr-question-types lpr-select2" name="lpr_question[type]" id="lpr-quiz-question-type">
<?php
if ($questions = lpr_get_question_types()) {
?>
<?php
foreach ($questions as $type) {
$question = LPR_Question_Type::instance($type);
if (!$question) {
continue;
}
?>
<option value="<?php
echo $type;
?>
"><?php
echo $question->get_name();
?>
</option>
<?php
}
?>
<?php
}
?>
</select>
<button class="button" data-action="add" type="button"><?php
_e('Add [Enter]', 'learn_press');
?>
</button>
<button data-action="cancel" class="button" type="button"><?php
_e('Cancel [ESC]', 'learn_press');
?>
</button>
<span class="lpr-ajaxload">...</span>
</div>
</script>
<?php
$js_template = ob_get_clean();
learn_press_enqueue_script($js_template, true);
}
static function html($meta, $field)
{
global $post;
$post_id = $post->ID;
$questions = lpr_get_question_types();
$question = get_post_meta($post_id, '_lpr_question', true);
$question = wp_parse_args($question, array('type' => null));
ob_start();
//print_r($question_type);
?>
<script type="text/javascript">var lpr_question_id = <?php
echo intval($post_id);
?>
;</script>
<div id="lpr-question-options-wrap">
<select class="lpr-question-types" name="lpr_question[type]" id="lpr_question-type" data-type="<?php
echo $question['type'];
?>
">
<option value=""><?php
_e('Select...');
?>
</option>
<?php
if ($questions) {
?>
<?php
foreach ($questions as $type) {
?>
<option value="<?php
echo $type;
?>
" <?php
selected(isset($question['type']) && $type == $question['type'] ? 1 : 0, 1);
?>
><?php
echo LPR_Question_Type::instance($type)->get_name();
?>
</option>
<?php
}
?>
<?php
}
?>
</select>
<div class="lpr-question-settings">
<?php
if (isset($question['type'])) {
?>
<?php
LPR_Question_Type::instance($question['type'], array('ID' => $post_id))->admin_interface();
?>
<?php
}
?>
</div>
<?php
if (in_array($question['type'], array('true_or_false', 'multiple_choice', 'single_choice'))) {
?>
<strong>Tips:</strong>
<p><i>In <strong>Answer text</strong>, press Enter/Tab key to move to next</i></p>
<p><i>In <strong>Answer text</strong>, when the text is empty press Delete/Back Space or click out side to remove</i></p>
<p><i>In <strong>Answer text</strong>, press ESC to restore the text at the last time edited</i></p>
<?php
}
?>
</div>
<script type="text/javascript">
</script>
<?php
return ob_get_clean();
}
function get_current_question($quiz_id, $what = '')
{
$current = $this->get_current_question_id($quiz_id);
echo $what;
if ($what == 'id') {
return $current;
} else {
$question = LPR_Question_Type::instance($current);
switch ($what) {
case 'html':
if ($question) {
ob_start();
$question->render();
$current = ob_get_clean();
}
}
}
return $current;
}
function enqueue_script()
{
if ('lpr_quiz' != get_post_type()) {
return;
}
ob_start();
?>
<script>
var form = $('#post');
form.submit(function(evt){
var $title = $('#title'),
is_error = false;
window.learn_press_before_update_quiz_message = [];
if( 0 == $title.val().length ){
window.learn_press_before_update_quiz_message.push( '<?php
_e('Please enter the title of the quiz', 'learn_press');
?>
' );
$title.focus();
is_error = true;
}
/* hook */
is_error = form.triggerHandler( 'learn_press_question_before_update' ) === false;
if( window.learn_press_before_update_quiz_message.length /*true == is_error*/ ){
if( window.learn_press_before_update_quiz_message.length ){
alert( "Error: \n" + window.learn_press_before_update_quiz_message.join( "\n\n" ) )
}
evt.preventDefault();
return false;
}
});
</script>
<?php
$script = ob_get_clean();
$script = preg_replace('!</?script>!', '', $script);
learn_press_enqueue_script($script);
ob_start();
?>
<script type="text/html" id="tmpl-form-quick-add-question">
<div id="lpr-form-quick-add-question" class="lpr-quick-add-form">
<input type="text">
<select class="lpr-question-types lpr-select2" name="lpr_question[type]" id="lpr-quiz-question-type">
<?php
if ($questions = lpr_get_question_types()) {
?>
<?php
foreach ($questions as $type) {
?>
<option value="<?php
echo $type;
?>
"><?php
echo LPR_Question_Type::instance($type)->get_name();
?>
</option>
<?php
}
?>
<?php
}
?>
</select>
<button class="button" data-action="add" type="button"><?php
_e('Add [Enter]', 'learnpress');
?>
</button>
<button data-action="cancel" class="button" type="button"><?php
_e('Cancel [ESC]', 'learnpress');
?>
</button>
<span class="lpr-ajaxload">...</span>
</div>
</script>
<?php
$js_template = ob_get_clean();
learn_press_enqueue_script($js_template, true);
}
/**
* Get the information result of a quiz
*
* @param int $user_id
* @param int $quiz_id
* @return array
*/
function learn_press_get_quiz_result($user_id = null, $quiz_id = null)
{
global $quiz;
if (!$user_id) {
$user_id = get_current_user_id();
}
$quiz_id = $quiz_id ? $quiz_id : ($quiz ? $quiz->ID : 0);
$questions = learn_press_get_quiz_questions($quiz_id);
$answers = learn_press_get_question_answers($user_id, $quiz_id);
$mark = 0;
$correct_questions = 0;
$wrong_questions = 0;
$empty_questions = 0;
$quiz_start = learn_press_get_user_quiz_data('_lpr_quiz_start_time', $user_id, $quiz_id);
$quiz_end = learn_press_get_user_quiz_data('_lpr_quiz_completed', $user_id, $quiz_id);
$mark_total = learn_press_get_quiz_mark($quiz_id);
$quiz_time = $quiz_end ? $quiz_end - $quiz_start : 0;
$info = false;
if ($questions) {
foreach ($questions as $question_id => $options) {
$ques_object = LPR_Question_Type::instance($question_id);
if ($ques_object && isset($answers[$question_id])) {
$check = $ques_object->check(array('answer' => $answers[$question_id]));
if ($check['correct']) {
//$mark += $check['mark'];
$correct_questions++;
} else {
$wrong_questions++;
}
$mark += isset($check['mark']) ? $check['mark'] : 0;
} else {
$empty_questions++;
}
}
$question_count = count($questions);
if (is_float($mark)) {
$mark = round($mark, 1);
}
$info = array('mark' => $mark, 'correct' => $correct_questions, 'wrong' => $wrong_questions, 'empty' => $empty_questions, 'questions_count' => $question_count, 'mark_total' => round($mark_total, 2), 'mark_percent' => round($mark / $mark_total, 2), 'correct_percent' => round($correct_questions / $question_count * 100, 2), 'wrong_percent' => round($wrong_questions / $question_count * 100, 2), 'empty_percent' => round($empty_questions / $question_count * 100, 2), 'quiz_time' => $quiz_time);
}
return apply_filters('learn_press_get_quiz_result', $info, $user_id, $quiz_id);
}
function __construct($type = null, $options = null)
{
parent::__construct($type, $options);
}
/**
* Load quiz question
*/
public static function load_quiz_question()
{
$quiz_id = !empty($_REQUEST['quiz_id']) ? absint($_REQUEST['quiz_id']) : 0;
$question_id = !empty($_REQUEST['question_id']) ? absint($_REQUEST['question_id']) : 0;
$user_id = !empty($_REQUEST['user_id']) ? absint($_REQUEST['user_id']) : 0;
// save question if find it
self::save_question_if_needed();
//self::update_time_remaining();
$user = learn_press_get_current_user();
if ($user->id != $user_id) {
learn_press_send_json(array('result' => 'error', 'message' => __('Load question error. Try again!', 'learn_press')));
}
if (!$quiz_id || !$question_id) {
learn_press_send_json(array('result' => 'error', 'message' => __('Something is wrong. Try again!', 'learn_press')));
}
if ($question = LPR_Question_Type::instance($question_id)) {
ob_start();
$question->render();
$content = ob_get_clean();
learn_press_send_json(array('result' => 'success', 'content' => $content, 'permalink' => learn_press_get_user_question_url($quiz_id, $question_id)));
}
}
function learn_press_output_question($question_id, $with_answered = true, $quiz_id = 0)
{
if (!$question_id && $quiz_id) {
/*if( $questions = learn_press_get_quiz_questions( $quiz_id ) ){
$question_id = reset( $questions );
}*/
}
if ($question_id) {
$question = LPR_Question_Type::instance($question_id);
$answered = null;
if ($with_answered) {
$answers = learn_press_get_question_answers(null, learn_press_get_quiz_id(0));
if (isset($answers[$question_id])) {
$answered = array('answer' => $answers[$question_id]);
}
}
$question && $question->render($answered);
}
}
static function html($meta, $field)
{
global $post;
$post_id = $post->ID;
$current_user = get_current_user_id();
$questions = lpr_get_question_types();
$lpr_questions = (array) get_post_meta($post_id, '_lpr_quiz_questions', true);
$qids = array_keys($lpr_questions);
$qoptions = array_values($lpr_questions);
ob_start();
?>
<script type="text/javascript">var lpr_quiz_id = <?php
echo intval($post_id);
?>
</script>
<div id="lpr-quiz-questions-wrap">
<p align="right" class="lpr-questions-toggle">
<a href="" data-action="expand"><?php
_e('Expand All', 'learn_press');
?>
</a>
<a href="" data-action="collapse"><?php
_e('Collapse All', 'learn_press');
?>
</a>
</p>
<div id="lpr-quiz-questions">
<?php
if ($qids) {
$index = 0;
?>
<?php
foreach ($qids as $question_id) {
?>
<?php
if ($question = LPR_Question_Type::instance($question_id)) {
$question->admin_interface($qoptions[$index++]);
}
?>
<?php
}
?>
<?php
}
?>
</div>
<p style="vertical-align: middle;">
<div class="btn-group" id="lpr-add-new-question-type">
<button type="button" class="btn btn-default"
data-type="single_choice"><?php
_e('Add new Question', 'learn_press');
?>
</button>
<button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown"
aria-expanded="false">
<span class="caret"></span>
<span class="sr-only"><?php
_e('Toggle Dropdown', 'learn_press');
?>
</span>
</button>
<ul class="dropdown-menu" role="menu">
<?php
if ($questions) {
?>
<?php
foreach ($questions as $type) {
?>
<li><a href=""
rel="<?php
echo $type;
?>
"><?php
echo LPR_Question_Type::instance($type)->get_name();
?>
</a>
</li>
<?php
}
?>
<?php
}
?>
</ul>
</div>
<?php
_e('-Or-', 'learn_press');
?>
<select class="lpr-select2" name="" id="lpr-quiz-question-select-existing" style="width:300px">
<option value=""><?php
_e('--Select existing question--', 'learn_press');
?>
</option>
<?php
$query_args = array('post_type' => 'lpr_question', 'post_status' => 'publish', 'author' => $current_user, 'posts_per_page' => -1, 'post__not_in' => $qids);
$query = new WP_Query($query_args);
if ($query->have_posts()) {
while ($query->have_posts()) {
$p = $query->next_post();
echo '<option value="' . $p->ID . '" data-type="">' . $p->post_title . '</option>';
}
}
?>
</select>
</p>
</div>
<?php
return ob_get_clean();
}
/**
* Prints the header of a question in admin mode
* should call this function before in the top of admin_interface in extends class
*
* @param array $args
*
* @reutrn void
*/
function admin_interface_head($args = array())
{
$post_id = $this->get('ID');
settype($args, 'array');
$is_collapse = array_key_exists('toggle', $args) && !$args['toggle'];
$questions = lpr_get_question_types();
?>
<div class="lpr-question lpr-question-<?php
echo preg_replace('!_!', '-', $this->get_type());
?>
" data-id="<?php
echo $this->get('ID');
?>
">
<div class="lpr-question-head">
<p>
<a href="<?php
echo get_edit_post_link($post_id);
?>
"><?php
_e('Edit', 'learn_press');
?>
</a>
<a href="" data-action="remove"><?php
_e('Remove', 'learn_press');
?>
</a>
<a href="" data-action="expand" class="<?php
echo !$is_collapse ? "hide-if-js" : "";
?>
"><?php
_e('Expand', 'learn_press');
?>
</a>
<a href="" data-action="collapse" class="<?php
echo $is_collapse ? "hide-if-js" : "";
?>
"><?php
_e('Collapse', 'learn_press');
?>
</a>
</p>
<select name="lpr_question[<?php
echo $post_id;
?>
][type]" data-type="<?php
echo $this->get_type();
?>
">
<?php
if ($questions) {
foreach ($questions as $type) {
?>
<?php
$question = LPR_Question_Type::instance($type);
?>
<?php
if ($question) {
?>
<option value="<?php
echo $type;
?>
" <?php
selected($this->get_type() == $type ? 1 : 0, 1);
?>
>
<?php
echo $question->get_name();
?>
</option>
<?php
}
?>
<?php
}
}
?>
</select><!--<strong><i>[ <?php
echo $this->get_name();
?>
]</i></strong>-->
<span class="lpr-question-title"><input class="inactive" type="text" name="lpr_question[<?php
echo $this->get('ID');
?>
][text]" value="<?php
echo esc_attr($this->get('post_title'));
?>
" /></span>
</div>
<div class="lpr-question-content<?php
echo $is_collapse ? " hide-if-js" : "";
?>
">
<?php
//do_action( 'learn_press_admin_before_question_answer', $this );
?>
<p class="lpr-question-option-label"><?php
_e('Answer', 'learn_press');
?>
</p>
<?php
}
