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<?php |
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class table_getter extends table_setter |
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{ |
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/** @param string @example: env('APP_NAME', 'APP_NAME') | APP_NAME */ |
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public static $app = 'App'; |
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/** @param array Attributes for the table Html tag */ |
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public static $attributes = []; |
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/** @param array Query result, allows altering before table::load() */ |
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public static $data; |
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/** @param bool Export is allowed (shows buttons in the tfoot) */ |
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public static $exportActive = true; |
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/** @param bool Export data altered (use false for pure result) */ |
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public static $exportDataAsDisplayed = true; |
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/** @param bool Filter (shown before the table) is allowed */ |
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public static $filterActive = true; |
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/** @param null|str Extension (from $_SERVER['REQUEST_URI']) */ |
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public static $pageExt; |
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protected static function ths() |
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{ |
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if (self::$cols) { |
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$ths = []; |
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$length = sizeof(self::$cols); |
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for ($i = 0; $i<$length; $i++) { |
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list($lbl, $col, $arg) = array_pad(self::$cols[$i], 3, null); |
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if (is_null($col)) { |
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$arg['sort'] = false; |
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} |
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$sortable = !isset($arg['sort'])||$arg['sort'] !==false; |
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$sort = $sortable ? |
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(isset($arg['sort']) ? $arg['sort'] : $col) : |
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null; |
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if (($del = isset($arg['type'])&&$arg['type'] =='delete')) { |
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$sortable = false; |
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if (!isset($arg['width'])&& |
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false ===strpos($arg['width'], 'width:') |
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) { |
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$arg['width'] = '1%'; |
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} |
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} |
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if (isset($arg['width'])) { // Width attribute -> style |
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$width = 'width:' . $arg['width'] . ';'; |
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$arg['style'] = isset($arg['style']) ? |
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$width . $arg['style'] : |
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$width; |
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} |
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$attr = array_diff_key((array) $arg, ['sort', 'type', 'width']); |
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$th = '<th' . self::attributes($attr) . '>'; |
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if ($sortable) { |
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$th .= '<a onclick="table.Sort(' . $i . ',this);">'; |
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} |
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if (!$del) { |
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if ($sort ==self::$t['order']['col']) { |
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$span = self::$t['order']['dir'] ==='desc' ? |
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self::config('UTF8_DESC_SYMBOL') : |
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self::config('UTF8_ASC_SYMBOL'); |
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} else { |
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$span = ""; |
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} |
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$th .= '<span>' . $span . '</span>' . $lbl; |
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} else { |
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$th .= '<input id="' . self::$t['items'] . 'CheckDeleteAll"' . |
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' onclick=\"checkAllDeleteCheckboxes(this,' . |
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' \'' . self::$t['items'] . '\')" type="checkbox"/>'; |
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} |
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if ($sortable) { |
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$th .= '</a>'; |
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} |
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$th .= '</th>'; |
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$ths[] = $th; |
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} |
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return implode('', $ths); |
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} |
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} |
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/** Adds conditions, orderBy and Limits to query. |
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* @param string $q |
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* @param string $cond |
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* @param arr $order |
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* @param mixed $limit -> 5 or [$start, $count] |
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* @param bool $h Having flag - to use HAVING instead of WHERE |
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* @return (string) */ |
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protected static function q($q, $cond = null, array $order = [], $limit = 0, $h = false) |
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{ |
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//Condition: '' | '(HAVING|WHERE|AND) ' . $cond |
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$c = !empty($cond)&&!strpos($q, ($cl = !$h ? 'WHERE' : 'HAVING')) ? |
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(' ' . (!strpos($q, $cl) ? $cl : ' AND ') . ' ' . $cond ) : |
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''; |
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//Order: '' | 'ORDER BY ' . array_keys($order)[0] . ' ' . $order[0] |
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$o = !empty($order) ? |
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' ORDER BY ' . implode(', ', |
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array_map(function(&$v, $k) { |
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return $k . ' ' . strtoupper($v); |
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}, $order, array_keys($order)) |
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) : |
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''; |
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//Limit: '' | ' LIMIT ' . '(20, 40|20)' |
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$l = !empty($limit) ? |
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(' LIMIT ' . (is_array($limit) ? implode(', ', $limit) : $limit)) : |
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''; |
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return $q . $c . $o . $l; |
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} |
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protected static function exportData() |
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{ |
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$data = self::$exportDataAsDisplayed ? |
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self::$data : |
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self::select(self::$t['q']); |
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$fnReplace = []; |
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$fnReplace[':app'] = self::$app; |
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$fnReplace[':items'] = self::$t['items']; |
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$format = str_replace(':', '.', '%d.%m.%Y %H:%i:%s'); |
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$timeQuery = 'SELECT DATE_FORMAT(Now(), "' . $format . '") AS `now`;'; |
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$fnReplace[':datetime'] = self::select($timeQuery); |
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$outFilename = strtr(self::config('EXPORT_FILE_NAME'), $fnReplace); |
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$outColumns = $outHeader = []; |
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foreach (self::$cols as $c) { |
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if (isset($c[2]['sort'])&&$c[2]['sort'] ===false) { |
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continue; |
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} |
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$outColumns[] = $c[1]; |
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$outHeader[] = $c[0]; |
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} |
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$eData = [$outHeader]; |
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if (count($data)>0) { |
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foreach ($data as $row) { |
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$rowData = []; |
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foreach ($row as $dbName => $value) { |
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if (in_array($dbName, $outColumns)) { |
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$rowData[] = is_array($value) ? $value[0] : $value; |
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} |
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} |
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$eData[] = $rowData; |
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} |
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} |
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self::exportFile($eData, $outFilename); |
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} |
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private static function exportFile($eData, $outFilename) |
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{ |
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switch (self::$export) { |
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case 'Excel': |
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case 'CSV': |
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$escape = function($v) { |
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return str_replace("\t", "	", $v); |
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}; |
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header('Content-Type:application/csv'); |
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header('Content-Disposition:attachment; filename=' . |
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$outFilename . '.csv'); |
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$output = fopen('php://output', 'w'); |
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foreach ($eData as $v) { |
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self::$export ==='CSV' ? |
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fputcsv($output, $v) : |
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fputs($output, implode("\t", array_map($escape, $v)) . "\r\n"); |
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} |
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fclose($output); |
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break; |
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} |
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} |
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protected static function jsonGetBodyData() |
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{ |
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$json = $outColumns = []; |
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foreach (self::$cols as $c) { |
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$outColumns[] = isset($c[1]) ? $c[1] : null; |
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} |
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if ((self::$t['rows'] = count(self::$data))>0) { |
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foreach (self::$data as $row) { |
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$rowData = []; |
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foreach ($outColumns as $dbName) { |
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$rowData[] = array_key_exists($dbName, $row) ? |
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$row[$dbName] : ''; |
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} |
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$json[] = $rowData; |
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} |
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} else { |
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$attr = ['colspan' => count(self::$cols), 'class' => 'no-results']; |
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$json[] = [[self::config('EMPTY_TABLE_MSG'), $attr]]; |
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} |
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return $json; |
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} |
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protected static function jsonGetFooterData() |
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{ |
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$jsonArrFooter = []; |
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if (count(self::$data)>0) { |
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$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 = []; |
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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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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" => $url, "types" => self::config('SAVES')]; |
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} |
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self::paging($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 $jsonArrFooter; |
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} |
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protected static function load() |
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{ |
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$items = self::$t['items']; |
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$v = ['items' => $items]; |
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$div_attr = ['id' => $items . '-list', 'class' => 'table']; |
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if (array_key_exists('div', self::$attributes)) { |
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$div_attr += self::$attributes['div']; |
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} |
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if (isset(self::$attributes['div']['class'])) { |
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$div_attr['class'] .= ' ' . self::$attributes['div']['class']; |
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} |
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$v['div_attributes'] = self::attributes($div_attr); |
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if (self::$filterActive) { |
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self::filterValues($v['f_value'], $v['f_options']); |
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} |
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$tbl_attr = ['id' => $items . '-table', 'data-table' => 'js']; |
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if (array_key_exists('table', self::$attributes)) { |
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$tbl_attr += self::$attributes['table']; |
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} |
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$v['table_attributes'] = self::attributes($tbl_attr); |
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$v['ths'] = self::ths(); |
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$v["body"] = self::rows('body'); |
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$v["footer"] = self::rows('footer'); |
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return self::view('views/table.html', $v); |
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} |
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private static function rows($for) |
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{ |
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$trs = ''; |
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if ($for ==='body') { |
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foreach (self::jsonGetBodyData() as $r) { |
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if (isset($r[0][1], $r[0][1]['class'])&& |
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$r[0][1]['class'] ==='no-results' |
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) { |
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$trs .= '<tr><td' . self::attributes($r[0][1]) . '>' |
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. $r[0][0] . '</td></tr>'; |
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} else { |
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$trs .= '<tr><td>' . implode('</td><td>', $r) |
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. '</td></tr>'; |
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} |
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} |
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} else if ($for ==='footer') { |
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if (self::$t['rows']>0) { |
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$ftr = self::jsonGetFooterData()[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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} |
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} |
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return $trs; |
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} |
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protected static function reset($tableId) |
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{ |
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if (!in_array($tableId, self::$t["tables"])) { |
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self::$t["tables"][] = $tableId; |
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self::$cols = []; |
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self::$t['rows'] = null; |
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} else { |
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die('Existing table-id used in a table::create(): ' . $tableId); |
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} |
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} |
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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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$res; |
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} else { |
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die('ERROR: table::$select is not a valid closure. ' |
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. __METHOD__ . '() #' . __LINE__); |
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} |
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} |
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} |
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