void Widget::on_deleteButton_clicked()
{
NodeShape *node = new NodeShape(200,30);
node->setValue(ui->lineEdit->text());
node = cDoubleList->find(node);
if(node){
QList<LinkShape*> listNodeShapes= node->getLinkShapes();
if(listNodeShapes.size()>0){
int x=0;
foreach (LinkShape *_linkShape, listNodeShapes){
scene->removeItem(_linkShape);
x++;
}
node->getLinkShapes().clear();
if(x>1){
NodeShape *node1=cDoubleList->findPrev(node);
NodeShape *node2=cDoubleList->findNext(node);
node1->setLink2(node2->getLink1());
node2->setLink1(node1->getLink2());
scene->addItem(new LinkShape( node1, node2));
scene->update();
}
}
void Widget::on_addButton_clicked()
{
NodeShape *node = new NodeShape(200,30);
node->setValue(ui->lineEdit->text());
QString link2=QString::fromStdString(cDoubleList->insert(node));
if(cDoubleList->Size()==1){
node->setLink1("0");
node->setLink2(link2);
scene->addItem(node);
}else if(cDoubleList->Size()>1){
node->setLink1(nodeTemp->getLink2());
node->setLink2(link2);
scene->addItem(node);
scene->addItem(new LinkShape(nodeTemp,node));
}
nodeTemp=node;
}
