void deleteStructure(Node<ValueType> *&root,
std::unordered_map<Node<ValueType>*, bool> &visitedNodes) {
if ((root != nullptr) && (visitedNodes.find(root) == visitedNodes.end())) {
visitedNodes[root] = true;
deleteStructure(root->left, visitedNodes);
deleteStructure(root->right, visitedNodes);
delete root;
root = nullptr;
}
}
GrammarViewPrivate::GrammarViewPrivate(QWidget* parent): QWidget( parent)
{
ui.setupUi(this);
ui.pbImportTexts->setIcon(KIcon("document-import"));
ui.pbRename->setIcon(KIcon("document-properties"));
ui.pbMerge->setIcon(KIcon("arrow-down-double"));
ui.pbAdd->setIcon(KIcon("list-add"));
ui.pbDelete->setIcon(KIcon("list-remove"));
connect(ui.lvStructures, SIGNAL(selectionChanged()), this, SLOT(currentSelectionChanged()));
connect(ui.pbImportTexts, SIGNAL(clicked()), this, SLOT(showImportWizard()));
connect(ui.pbMerge, SIGNAL(clicked()), this, SLOT(showMergeWizard()));
connect(ui.pbAdd, SIGNAL(clicked()), this, SLOT(addStructure()));
connect(ui.pbDelete, SIGNAL(clicked()), this, SLOT(deleteStructure()));
connect (ui.pbRename, SIGNAL(clicked()), this, SLOT(showRenameWizard()));
grammarProxy = new QSortFilterProxyModel();
grammarProxy->setFilterKeyColumn(0);
ui.lvStructures->setModel(grammarProxy);
ui.lwExamples->clear();
//currentSelectionChanged();
}
void printAndDeleteStructure(Node<ValueType> *&root) {
printStructure (root);
printf("\n----------\n");
deleteStructure(root);
}
void deleteStructure(Node<ValueType> *&root) {
std::unordered_map<Node<ValueType>*, bool> visitedNodes;
deleteStructure(root, visitedNodes);
}
