/**
* Generate table rows as JSON
*
* @param mr_html_table $table Table instance
* @param mr_html_paging $paging Paging instance
* @return void
* @todo Make this not a hack?
*/
public function mr_html_table_json(mr_html_table $table, mr_html_paging $paging)
{
if (optional_param('tjson', 0, PARAM_BOOL)) {
$json = new stdClass();
$json->recordsReturned = (int) count($table->get_rows());
$json->totalRecords = (int) $paging->get_total();
$json->startIndex = (int) $paging->get_page();
$json->sort = $table->get_sort();
$json->pageSize = (int) $paging->get_perpage();
$json->records = array();
$json->emptyMessage = $table->get_emptymessage();
if ($table->get_order() == SORT_ASC) {
$json->dir = 'asc';
} else {
$json->dir = 'desc';
}
// If we are returning 0 records, we probably don't have any at all
if ($json->recordsReturned == 0) {
$json->totalRecords = 0;
}
$columns = $table->get_columns(true);
$htmlrows = $this->convert_to_htmlrows($table);
foreach ($htmlrows as $htmlrow) {
$position = 0;
foreach ($columns as $column) {
if (array_key_exists($position, $htmlrow->cells)) {
$value = $htmlrow->cells[$position]->text;
} else {
$value = '';
}
$record[$column->get_name()] = $value;
$position++;
}
$json->records[] = (object) $record;
}
echo json_encode($json);
die;
}
}
