Method Clear

src/station_gui.cpp:1089–1095

* Delete all subentries, reset count and num_children and adapt parent's count. */

 * Delete all subentries, reset count and num_children and adapt parent's count.
 */
void CargoDataEntry::Clear()
{
	if (this->children != nullptr) this->children->clear();
	if (this->parent != nullptr) this->parent->count -= this->count;
	this->count = 0;
	this->num_children = 0;
}

/**
 * Remove a subentry from this one and delete it.