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<?php |
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class tfoot |
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{ |
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use trait_tfoot_setter, |
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trait_tfoot_paging; |
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/** @param string class name, where $helper::prepare() is expected */ |
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public static $helper_class; |
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/** @param closure to MySql select function (example: db::select()) */ |
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public static $select; |
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protected static function jsonTfoot() |
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{ |
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if (count(self::$data) > 0) { |
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$v = []; |
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self::showingMessageVars($v); |
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if (self::$exportActive === true) { |
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$url = strtok(self::$t['slug'], "?&") . ".json?table=" . |
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self::$t['items'] . "&export="; |
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$v["export"] = ["url" => $url, "types" => self::config('SAVES')]; |
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} |
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$v['errors'] = self::err(); |
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self::paging($v); |
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$html = self::view('views/table.footer.html', $v); |
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$jsonArrFooter[] = [[$html, ["colspan" => count(self::$cols)]]]; |
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} |
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return $jsonArrFooter ?: []; |
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} |
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private static function showingMessageVars(&$v) |
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{ |
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$pageNo = self::$t['page']; |
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if ($pageNo === 1 && count(self::$data) < self::$t['paging']) { |
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//Skips total count query |
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self::$t['rows'] = count(self::$data); |
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} else { |
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$q = 'SELECT COUNT(*) FROM (' . self::$t['qAll'] . ') AS dt'; |
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self::$t['rows'] = self::select($q); |
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} |
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self::$t['pages'] = ceil(self::$t['rows'] / self::$t['paging']); |
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$v['from'] = ($pageNo - 1) * self::$t['paging'] + 1; |
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$v['upto'] = ($pageNo * self::$t['paging'] < self::$t['rows']) ? |
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$pageNo * self::$t['paging'] : |
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self::$t['rows']; |
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$v["total"] = self::$t['rows']; |
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$v["items"] = self::$t['items']; |
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} |
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protected static function rowsTfoot() |
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{ |
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$trs = ''; |
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if (self::$t['rows'] > 0) { |
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$ftr = self::jsonTfoot()[0][0]; |
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$trs .= '<tr><td' . self::attributes($ftr[1]) . '>' |
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. $ftr[0] . '</td></tr>'; |
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} else if (count(self::$errors) > 0) { |
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$trs .= '<tr><td colspan="' . count(self::$cols) . '">' . |
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self::err() . '</td></tr>'; |
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} |
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return $trs; |
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} |
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public static function select(string $expression, array $bindings = []) |
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{ |
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if (is_object(static::$select) && (static::$select instanceof Closure)) { |
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$select = static::$select; |
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$res = $select($expression, $bindings); |
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//if result is single cell value ($res[0]->value), return the value |
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return (count($res) === 1 && count((array) $res[0]) === 1) ? |
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reset($res[0]) : |
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$res; |
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} else { |
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throw new Exception('ERROR: table::$select is not a closure. '); |
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} |
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} |
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} |
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