function add_matrix()
{
$mform = $this->_form;
$data = $mform->exportValues();
if (isset($_POST['colshort'])) {
$cols_count = count($_POST['colshort']);
} else {
if (isset($this->question->options->cols) && count($this->question->options->cols) > 0) {
$cols_count = count($this->question->options->cols);
} else {
$cols_count = self::DEFAULT_COLS;
}
}
if ($add_cols = optional_param('add_cols', '', PARAM_TEXT)) {
$cols_count++;
}
if (isset($_POST['rowshort'])) {
$rows_count = count($_POST['rowshort']);
} else {
if (isset($this->question->options->rows) && count($this->question->options->rows) > 0) {
$rows_count = count($this->question->options->rows);
} else {
$rows_count = self::DEFAULT_ROWS;
}
}
if ($add_rows = optional_param('add_rows', '', PARAM_TEXT)) {
$rows_count++;
}
$grademethod = isset($data['grademethod']) ? $data['grademethod'] : qtype_matrix::defaut_grading()->get_name();
$grading = qtype_matrix::grading($grademethod);
$multiple = isset($data['multiple']) ? $data['multiple'] : true;
$matrix = array();
$html = '<table class="quedit matrix"><thead><tr>';
$html .= '<th></th>';
$matrix[] = $this->create_static($html);
for ($col = 0; $col < $cols_count; $col++) {
$matrix[] = $this->create_static('<th>');
$matrix[] = $this->create_text("colshort[{$col}]");
$popup = $this->create_htmlpopup("collong[{$col}]", qtype_matrix::get_string('collong'));
$matrix = array_merge($matrix, $popup);
// $id = "popcol$col";
// $matrix[] = $this->create_static('<a class="pbutton" href="#" onclick="mtrx_popup(\'' . $id . '\');return false;" >...</a>');
// $matrix[] = $this->create_static('<span id="' . $id . '" class="popup">');
// $matrix[] = $this->create_static('<a class="pbutton close" href="#" onclick="mtrx_popup(\'' . $id . '\');return false;" > </a>');
// $matrix[] = $this->create_static('<span class="title">');
// $matrix[] = $this->create_static(qtype_matrix::get_string('collong'));
// $matrix[] = $this->create_static('</span>');
// $matrix[] = $this->create_htmleditor("collong[$col]");
// $matrix[] = $this->create_hidden("colid[$col]");
// $matrix[] = $this->create_static('</span>');
$matrix[] = $this->create_hidden("colid[{$col}]");
$matrix[] = $this->create_static('</th>');
}
$matrix[] = $this->create_static('<th>');
$matrix[] = $this->create_static(qtype_matrix::get_string('rowfeedback'));
$matrix[] = $this->create_static('</th>');
$matrix[] = $this->create_static('<th>');
$matrix[] = $this->create_submit('add_cols', ' ', array('class' => 'button add'));
$this->register_no_submit_button('add_cols');
$matrix[] = $this->create_static('</th>');
$matrix[] = $this->create_static('</tr></thead><tbody>');
for ($row = 0; $row < $rows_count; $row++) {
$matrix[] = $this->create_static('<tr>');
$matrix[] = $this->create_static('<td>');
$matrix[] = $this->create_text("rowshort[{$row}]");
$popup = $this->create_htmlpopup("rowlong[{$row}]", qtype_matrix::get_string('rowlong'));
$matrix = array_merge($matrix, $popup);
$matrix[] = $this->create_hidden("rowid[{$row}]");
// $id = "poprow$row";
// $matrix[] = $this->create_static('<a class="pbutton" href="#" onclick="mtrx_popup(\'' . $id . '\');return false;" >...</a>');
// $matrix[] = $this->create_static('<span id="' . $id . '" class="popup">');
// $matrix[] = $this->create_static('<a class="pbutton close" href="#" onclick="mtrx_popup(\'' . $id . '\');return false;" > </a>');
// $matrix[] = $this->create_static('<span class="title">');
// $matrix[] = $this->create_static(qtype_matrix::get_string('rowlong'));
// $matrix[] = $this->create_static('</span>');
// $matrix[] = $this->create_htmleditor("rowlong[$row]");
// $matrix[] = $this->create_static('</span>');
// $matrix[] = $this->create_hidden("rowid[$row]");
$matrix[] = $this->create_static('</td>');
for ($col = 0; $col < $cols_count; $col++) {
$matrix[] = $this->create_static('<td>');
$cell_content = $grading->create_cell_element($mform, $row, $col, $multiple);
$cell_content = $cell_content ? $cell_content : $this->create_static('');
$matrix[] = $cell_content;
$matrix[] = $this->create_static('</td>');
}
// $id = "popfeedback$row";
$matrix[] = $this->create_static('<td class="feedback">');
$popup = $this->create_htmlpopup("rowfeedback[{$row}]", qtype_matrix::get_string('rowfeedback'));
$matrix = array_merge($matrix, $popup);
// $matrix[] = $this->create_static('<a class="pbutton" href="#" onclick="mtrx_popup(\'' . $id . '\');return false;" >...</a>');
// $matrix[] = $this->create_static('<span id="' . $id . '" class="popup">');
// $matrix[] = $this->create_static('<a class="pbutton close" href="#" onclick="mtrx_popup(\'' . $id . '\');return false;" > </a>');
// $matrix[] = $this->create_static('<span class="title">');
// $matrix[] = $this->create_static(qtype_matrix::get_string('rowfeedback'));
// $matrix[] = $this->create_static('</span>');
// $matrix[] = $this->create_htmleditor("rowfeedback[$row]");
// $matrix[] = $this->create_static('</span>');
$matrix[] = $this->create_static('</td>');
$matrix[] = $this->create_static('<td></td>');
$matrix[] = $this->create_static('</tr>');
}
$matrix[] = $this->create_static('<tr>');
$matrix[] = $this->create_static('<td>');
$matrix[] = $this->create_submit('add_rows', ' ', array('class' => 'button add'));
$this->register_no_submit_button('add_rows');
$matrix[] = $this->create_static('</td>');
for ($col = 0; $col < $cols_count; $col++) {
$matrix[] = $this->create_static('<td>');
$matrix[] = $this->create_static('</td>');
}
$matrix[] = $this->create_static('</tr>');
$matrix[] = $this->create_static('</tbody></table>');
$matrixheader = $this->create_header('matrixheader');
$matrix_group = $this->create_group('matrix', null, $matrix, '', false);
if (isset($this['tagsheader'])) {
$this->insert_element_before($matrixheader, 'tagsheader');
$refresh_button = $this->create_submit('refresh_matrix');
$this->register_no_submit_button('refresh_matrix');
$this->disabled_if('refresh_matrix', 'grademethod', 'eq', 'none');
$this->disabled_if('defaultgrade', 'grademethod', 'eq', 'none');
$this->insert_element_before($refresh_button, 'tagsheader');
$this->insert_element_before($matrix_group, 'tagsheader');
} else {
$this[] = $matrixheader;
$refresh_button = $this->create_submit('refresh_matrix');
$this->register_no_submit_button('refresh_matrix');
$this->disabled_if('refresh_matrix', 'grademethod', 'eq', 'none');
$this->disabled_if('defaultgrade', 'grademethod', 'eq', 'none');
$this[] = $refresh_button;
$this[] = $matrix_group;
}
if ($cols_count > 1) {
$this->set_default('colshort[0]', qtype_matrix::get_string('true'));
$this->set_default('colshort[1]', qtype_matrix::get_string('false'));
}
}
function add_grading_matrix()
{
static $added = false;
if ($added) {
return;
}
$added = true;
$mform = $this->_form;
$data = $mform->exportValues();
$multiple = $data['multiple'];
$grademethod = isset($data['grademethod']) ? $data['grademethod'] : qtype_matrix::defaut_grading()->get_name();
if ($grademethod == qtype_matrix_grading_none::TYPE) {
return;
}
$gradeclass = qtype_matrix::grading($grademethod);
$matrix = array();
$html = '<table class="qtypematrixformmatrix"><thead><tr>';
$html .= '<th></th>';
foreach ($data['colshort'] as $col_short) {
if (empty($col_short)) {
break;
}
$html .= "<th>{$col_short}</th>";
}
$html .= '</tr></thead><tbody>';
$matrix[] = $this->create_static($html);
foreach ($data['rowshort'] as $row_index => $row_short) {
if (empty($row_short)) {
break;
}
$matrix[] = $this->create_static('<tr>');
$matrix[] = $this->create_static("<td>{$row_short}</td>");
foreach ($data['colshort'] as $col_index => $col_short) {
if (empty($col_short)) {
break;
}
$matrix[] = $this->create_static('<td>');
$cell_content = $gradeclass->create_cell_element($mform, $row_index, $col_index, $multiple);
$cell_content = $cell_content ? $cell_content : $this->create_static('');
$matrix[] = $cell_content;
$matrix[] = $this->create_static('</td>');
}
$matrix[] = $this->create_static('</tr>');
}
$matrix[] = $this->create_static('</tbody></table>');
$matrixel = $this->create_group('matrix', null, $matrix, '', true);
$matrixheader = $this->create_header('matrixheader', qtype_matrix::get_string('matrixheader'));
if (isset($this['tagsheader'])) {
$this->insert_element_before($matrixheader, 'tagsheader');
$this->insert_element_before($matrixel, 'tagsheader');
} else {
$this[] = $matrixheader;
$this[] = $matrixel;
}
$this->add_hidden('weightsadded', 1);
$this['addweights']->setValue(qtype_matrix::get_string('updatematrix'));
$this->disabled_if('matrix', 'grademethod', 'eq', 'none');
}
