/**
* check item
* @param string $size
* @param string $matrix
*/
public static function hwdoku_check_item($size, $matrix)
{
global $wpdb;
if (empty($size)) {
$size = self::getSize();
}
//get sudoku size
$matrix = unserialize($matrix);
$i = $_GET['i'];
$j = $_GET['j'];
$a = $_GET['a'];
#echo $size;
$game1 = new HQ_Sudoku($size);
$game1->grid = $matrix;
$valid = $game1->valid_item($i, $j, $a);
if ($valid) {
$game1->set_item($i, $j, $a);
//save to db
try {
$exists = $wpdb->get_var('select count(*) from ' . HWDOKU_DB_TABLE);
if (!$exists) {
$wpdb->insert(HWDOKU_DB_TABLE, array('grid' => $game1->matrix_string()));
} else {
$query = $wpdb->prepare("UPDATE " . HWDOKU_DB_TABLE . " SET grid = %s LIMIT 1", $game1->matrix_string());
$wpdb->query($query);
}
} catch (Exception $err) {
}
//$db->query("update sudoku set grid='".$game1->matrix_string()."'");
echo '<textarea>' . $game1->matrix_string() . ($game1->is_full_matrix() ? '[DONE]' : '') . '</textarea>';
echo '<script>hwdoku_debug("' . valid_str_in_str($game1->suggest_result(false, 'ok')) . '");</script>';
exit;
} else {
//out1($i.'-'.$j);
$game1->remove_item($i, $j);
echo '<textarea>' . $game1->matrix_string() . '[FALSE]</textarea>';
#exit();
}
}
/**
* Hiển thị trò chơi
* @param $opt1
* @param $opt2
*/
public function show_game($opt1 = true, $opt2 = 'miss_items')
{
$view = '<table class="table" id="sudoku" border="1px solid gray" cellspadding=0 cellspacing=0 class="hwdoku-view">';
$items_hidden = '';
for ($i = 0; $i < $this->size; $i++) {
$hide = pick_rand_more(0, $this->size - 1, pick_rand_number(1, $this->size - 1));
$tr = '<tr >';
for ($j = 0; $j < $this->size; $j++) {
if (in_array($j, $hide)) {
$items_hidden .= $i . '-' . $j . ',';
$str = '<input onclick="hw_game.focus_item(this)" onBlur="hw_game._input_item_event(this)" class="hwdoku-hide" pos="' . $i . '-' . $j . '" value=""/>';
//$this->grid[$i][$j]
} else {
$str = $this->grid[$i][$j];
}
$tr .= '<td width="50">' . $str . '</td>';
}
$tr .= '</tr>';
$view .= $tr;
}
$view .= '</table>';
if ($opt1 == true) {
echo $view;
}
$game1 = new HQ_Sudoku($this->size);
$game1->grid = $this->grid;
$game1->remove_item(explode(',', $items_hidden));
return $opt2 == 'miss_items' ? substr($items_hidden, 0, strlen($items_hidden) - 1) : $game1->grid;
}
