/**
* Check if module can be moved horizontally
*
* @param array $module_data Module's module data
* @param int $direction Direction to move the module
*
* @return bool True if module can be moved, false if not
*/
public function can_move_horizontally($module_data, $direction)
{
if (isset($module_data['module_column'])) {
return $direction === database_handler::MOVE_DIRECTION_RIGHT ? $module_data['module_column'] < $this->portal_columns->string_to_number('right') : $module_data['module_column'] > $this->portal_columns->string_to_number('left');
} else {
return false;
}
}
/**
* Get the horizontal move action (columns to move)
*
* @param array $module_data Array containing the module data
* @param int $direction Direction to move; 1 for right, -1 for left
*
* @return int|null Move action if module can be moved, calls
* handle_after_move() if it can't be moved
*/
public function get_horizontal_move_action($module_data, $direction)
{
if ($this->constraints_handler->can_move_horizontally($module_data, $direction)) {
if ($this->module->get_allowed_columns() & $this->portal_columns->string_to_constant($this->portal_columns->number_to_string($module_data['module_column'] + $direction))) {
return $direction;
// we move 1 column
} else {
if ($this->module->get_allowed_columns() & $this->portal_columns->string_to_constant($this->portal_columns->number_to_string($module_data['module_column'] + $direction * 2)) && $module_data['module_column'] != $this->portal_columns->string_to_number('center')) {
return 2 * $direction;
// we move 2 columns
}
}
}
$this->handle_after_move(false);
}
