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<?php |
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class table_setter |
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{ |
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/** @param array Columns (config) */ |
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public static $cols; |
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/** @param bool Export flag (for current request) */ |
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public static $export; |
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/** @param array Collector (values for current table call) */ |
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protected static $t = ['page' => 1, 'tables' => []]; |
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/** @param array Re-settable values for current table call */ |
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protected static $config; |
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/** @param array Errors collector */ |
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protected static $errors = []; |
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static function assets($path = "/public/table") |
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{ |
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return "<script src=\"{$path}/table.js\"></script>\n\t" . |
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"<link href=\"{$path}/table.css\" rel=\"stylesheet\">\n"; |
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} |
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/** Set/Get config value |
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* @param mixed $c (string) Get if exists, (array) Set if valid |
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* @return mixed */ |
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public static function config($c) |
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{ |
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self::$config = self::$config ?: [ |
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'DB_COLLATION_CI' => 'utf8mb4_general_ci', //UTF8_GENERAL_CI |
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'EMPTY_TABLE_MSG' => 'No results found.', |
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'EXPORT_FILE_NAME' => ':app - :items export (:datetime)', |
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'FILTER_CASE_SENSITIVE' => false, |
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'SAVES' => ['CSV', 'Excel'], |
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'UTF8_ASC_SYMBOL' => '▲', |
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'UTF8_DESC_SYMBOL' => '▼', |
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'UTF8_LEFT_SYMBOL' => '‹', |
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'UTF8_RIGHT_SYMBOL' => '›' |
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]; |
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$getValid = function($k, $v = null) { |
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if (!array_key_exists($k, self::$config)) { |
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throw new Exception('Request to undefined value: ' . $k); |
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} |
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if ($v !== null) { |
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if (empty($v) || gettype($v) !== gettype(self::$config[$k])) { |
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throw new Exception("Setting invalid value: $v (:$k)"); |
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} |
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} |
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return $v === null ? self::$config[$k] : $v; |
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}; |
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try { |
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switch (gettype($c)) { |
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case 'array'; |
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foreach ($c as $k => $v) { |
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self::$config[$k] = $getValid((string) $k, $v); |
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} |
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break; |
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case 'string': |
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return $getValid($c); |
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default: |
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throw new Exception("Invalid value type."); |
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} |
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} catch (Exception $e) { |
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self::err('ERROR: ' . $e->getMessage()); |
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} |
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} |
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protected static function err($message = null) |
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{ |
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if (isset($message)) { |
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self::$errors[] = $message; |
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} else { |
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return empty(self::$errors) ? null : |
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'<p class="tbl-err">' . implode('</br>', self::$errors) . '</p>'; |
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} |
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} |
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/** Converts array to space separated key value list |
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* @param array $attributes |
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* @return string */ |
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protected static function attributes(array $attributes) |
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{ |
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$list = []; |
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foreach ($attributes as $key => $value) { |
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if (is_bool($value)) { |
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if ((bool) $value) { |
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$list[] = $key; |
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} |
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} else if (empty($value) && !is_int($value)) { |
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$list[] = $key; |
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} else { |
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$list[] = $key . '="' . $value . '"'; |
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} |
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} |
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return (count($list) > 0 ? ' ' : '') . join(' ', $list); |
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} |
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/** Parses view to string |
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* @param string $template |
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* @param array $vars |
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* @return string */ |
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protected static function view($template, $vars = []) |
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{ |
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extract($vars); |
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ob_start(); |
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require $template; |
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return (string) ob_get_clean(); |
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} |
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protected static function paging(&$v) |
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{ |
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if (self::$t['pages'] > 1) { |
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$v['pages'] = self::$t['pages']; |
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$v['page'] = self::$t['page']; |
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$v['jumpL'] = self::pagingJumps(); |
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$v['jumpR'] = self::pagingJumps(); |
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$v['arrowL'] = self::config('UTF8_LEFT_SYMBOL'); |
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$v['arrowR'] = self::config('UTF8_RIGHT_SYMBOL'); |
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$limit = 10; |
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$v['start'] = $v['page'] > ($limit / 2) ? |
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($v['page'] - $limit / 2) : |
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1; |
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if ($v['page'] > ($v['pages'] - ($limit / 2))) { |
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$v['final'] = $v['pages']; |
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} else if ($v['page'] > ($limit / 2)) { |
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$v['final'] = $v['start'] + $limit; |
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} else { |
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$v['final'] = $limit; |
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} |
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} |
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} |
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/** Jump links -1M|-100K|-10K|-1K|100|{paging}|100|+1K|+10K|+100K|+1M |
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* @param string $html Code to show |
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* @param null|int $m multiplier |
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* @return string */ |
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protected static function pagingJumps($html = '', $m = null) |
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{ |
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static $direction; |
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if (is_null($m)) { //on self::createPaginationLinks() calls only |
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$direction = !isset($direction) ? '-' : '+'; |
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$m = 100; |
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} |
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$jump2show = function($m) use ($direction) { |
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if ($m >= 1000000) { |
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return ($direction . ($m / 1000000) . "M"); |
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} else if ($m >= 1000) { |
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return ($direction . ($m / 1000) . "K"); |
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} else { |
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return ($direction . $m); |
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} |
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}; |
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$add = '<li class="jump"><a>' . $jump2show($m) . '</a></li>'; |
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if ($direction === '-') { |
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$jump_exists = (self::$t['page'] - $m) > 0; |
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} else { |
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$jump_exists = (self::$t['page'] + $m) <= self::$t['pages']; |
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} |
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if ($jump_exists) { |
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$html = $direction === '-' ? $add . $html : $html . $add; |
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} |
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return $jump_exists ? self::pagingJumps($html, ($m * 10)) : $html; |
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} |
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protected static function filterValues(&$f, &$opts = []) |
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{ |
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$f = filter_input(INPUT_GET, 'filter', FILTER_SANITIZE_STRING) ?: null; |
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$by = filter_input(INPUT_GET, 'filter-by', FILTER_VALIDATE_INT); |
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foreach (self::$cols as $k => $v) { |
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if (isset($v[2]['sort']) && $v[2]['sort'] === false) { |
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continue; |
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} |
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if (empty($v)) { |
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$v = [null]; |
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} // fix for column requested as [] |
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$selected = $by === $k ? ' selected' : null; |
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$opts[] = "<option value=\"{$k}\"{$selected}>{$v[0]}</option>"; |
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} |
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} |
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} |
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