/**
* Contructor.
*
* @param string $id An identifier for this report
* @param int|NULL $userid Id of the Moodle user who this report is being
* for
* @param int $execution_mode The mode in which this report is being executed
*
* @retrn none
*/
function table_report($id, $userid = NULL, $execution_mode = php_report::EXECUTION_MODE_INTERACTIVE) {
//set up variables in parent class
parent::__construct($id, $userid, $execution_mode);
$this->table = new stdClass;
$this->columns = array();
$this->headers = array();
$this->css_identifiers = array();
$this->align = array();
$this->sortable = array();
$this->wrap = array();
$this->header_wrap = array();
$this->defsort = '';
$this->defdir = '';
$this->data = array();
$this->numrecs = 0;
$this->baseurl = '';
$this->sort = '';
$this->dir = '';
$this->page = 0;
$this->perpage = 0;
$this->fileformats = array();
$this->effective_url = '';
//horizontal bar stuff
$this->ishorizontalbar = array();
$this->totalcolumn = array();
$this->displaystring = array();
$this->displaypercentsign = array();
$this->horizontalbarwidth = array();
$this->horizontalbarheight = array();
//mapping of column ids to the formats in which they will export
$this->columnexportformats = array();
//SQL statement that represents an aggregation on a per-column basis
$this->aggregation_sql = array();
}