/**
* Sorts the DataTable rows using the supplied callback function.
*
* @param DataTable $table The table to sort.
*/
public function sort(DataTable $table)
{
// all that code is in here and not in separate methods for best performance. It does make a difference once
// php has to copy many (eg 50k) rows otherwise.
$table->setTableSortedBy($this->config->primaryColumnToSort);
$rows = $table->getRowsWithoutSummaryRow();
// we need to sort rows that have a value separately from rows that do not have a value since we always want
// to append rows that do not have a value at the end.
$rowsWithValues = array();
$rowsWithoutValues = array();
$valuesToSort = array();
foreach ($rows as $key => $row) {
$value = $this->getColumnValue($row);
if (isset($value)) {
$valuesToSort[] = $value;
$rowsWithValues[] = $row;
} else {
$rowsWithoutValues[] = $row;
}
}
unset($rows);
if ($this->config->isSecondaryColumnSortEnabled && $this->config->secondaryColumnToSort) {
$secondaryValues = array();
foreach ($rowsWithValues as $key => $row) {
$secondaryValues[$key] = $row->getColumn($this->config->secondaryColumnToSort);
}
array_multisort($valuesToSort, $this->config->primarySortOrder, $this->config->primarySortFlags, $secondaryValues, $this->config->secondarySortOrder, $this->config->secondarySortFlags, $rowsWithValues);
} else {
array_multisort($valuesToSort, $this->config->primarySortOrder, $this->config->primarySortFlags, $rowsWithValues);
}
if (!empty($rowsWithoutValues) && $this->config->secondaryColumnToSort) {
$secondaryValues = array();
foreach ($rowsWithoutValues as $key => $row) {
$secondaryValues[$key] = $row->getColumn($this->config->secondaryColumnToSort);
}
array_multisort($secondaryValues, $this->config->secondarySortOrder, $this->config->secondarySortFlags, $rowsWithoutValues);
}
unset($secondaryValues);
foreach ($rowsWithoutValues as $row) {
$rowsWithValues[] = $row;
}
$table->setRows(array_values($rowsWithValues));
}
/**
* Sorts the DataTable rows using the supplied callback function.
*
* @param string $functionCallback A comparison callback compatible with {@link usort}.
* @param string $columnSortedBy The column name `$functionCallback` sorts by. This is stored
* so we can determine how the DataTable was sorted in the future.
*/
private function sort(DataTable $table, $functionCallback)
{
$table->setTableSortedBy($this->columnToSort);
$rows = $table->getRowsWithoutSummaryRow();
// get column value and label only once for performance tweak
$values = array();
if ($functionCallback === 'numberSort') {
foreach ($rows as $key => $row) {
$values[$key] = array($this->getColumnValue($row), $row->getColumn('label'));
}
} else {
foreach ($rows as $key => $row) {
$values[$key] = $this->getColumnValue($row);
}
}
uasort($values, array($this, $functionCallback));
$sortedRows = array();
foreach ($values as $key => $value) {
$sortedRows[] = $rows[$key];
}
$table->setRows($sortedRows);
unset($rows);
unset($sortedRows);
if ($table->isSortRecursiveEnabled()) {
foreach ($table->getRowsWithoutSummaryRow() as $row) {
$subTable = $row->getSubtable();
if ($subTable) {
$subTable->enableRecursiveSort();
$this->sort($subTable, $functionCallback);
}
}
}
}
/**
* @param DataTable $table
*/
public function filter($table)
{
$numRows = 0;
$lastGroupFromPreviousPage = null;
foreach ($table->getRows() as $row) {
$this->addRowIfNeeded($row, $numRows);
$numRows++;
$subtable = $row->getSubtable();
if ($subtable) {
if (!$this->hasRows()) {
$lastGroupFromPreviousPage = $row;
}
foreach ($subtable->getRows() as $subRow) {
$this->addRowIfNeeded($subRow, $numRows);
$numRows++;
}
$row->removeSubtable();
}
if ($this->hasNumberOfRequestedRowsFound()) {
break;
}
}
$this->prependGroupIfFirstSiteBelongsToAGroupButGroupIsMissingInRows($lastGroupFromPreviousPage);
$table->setRows($this->rows);
}
