void AGOSEngine::setItemParent(Item *item, Item *parent) {
Item *old_parent = derefItem(item->parent);
if (item == parent)
error("setItemParent: Trying to set item as its own parent");
// unlink it if it has a parent
if (old_parent)
unlinkItem(item);
itemChildrenChanged(old_parent);
linkItem(item, parent);
itemChildrenChanged(parent);
}
void AGOSEngine::xPlace(Item *x, Item *y) {
if (derefItem(x->parent))
unlinkItem(x);
linkItem(x, y);
}
void MindMap::readFromText(QTextStream& in)
{
clear();
m_roots.clear();
// m_root = nullptr;
Node* current=nullptr;
int currentD = 0;
QList<Node*> m_listOfAncestor;
Node* parent = nullptr;
while(!in.atEnd())
{
//if(i==90)
// return;
QString line=in.readLine();
int depth = getDepth(line);
QString data = line.trimmed();
// qDebug() << "depth:" <<depth << "data:" <<data << "currentD:" <<currentD << "ancestor count:" <<m_listOfAncestor.size();
if((depth==0)&&(data.isEmpty()))//&&(currentD==0)
{
continue;
}
else
{
if(nullptr!=current)
{
if(depth>currentD)//on level under
{
parent = current;
//current = addNodeAt(QPoint(parent->childItems().count()*20,currentD*40));
current = addNodeAt(QPoint(currentD*100,parent->childItems().count()*40));
m_listOfAncestor.append(current);
currentD = depth;
}
else if(depth==currentD)// previous d == current d
{
// qDebug() << "$$$$$$$$$$$$$$" << "parent:" << (parent==nullptr ? "null" : parent->getText());
m_listOfAncestor.removeLast();
//current = addNodeAt(QPoint(parent->childItems().count()*20,currentD*40));
current = addNodeAt(QPoint(currentD*100,parent->childItems().count()*40));
m_listOfAncestor.append(current);
}
else if(depth<currentD)//many level above
{
while(m_listOfAncestor.size()>depth)
m_listOfAncestor.removeLast();
if(!m_listOfAncestor.isEmpty())
{
parent = m_listOfAncestor.last();
}
else
{
parent = nullptr;
}
// qDebug() << "////////////////" << "parent:" << (parent==nullptr ? "null" : parent->getText());
//current = addNodeAt(QPoint(0,currentD*40));
current = addNodeAt(QPoint(currentD*100,currentD*40));
if(nullptr==parent)
{
m_listOfAncestor.clear();
m_listOfAncestor.append(current);
m_roots.append(current);
}
m_listOfAncestor.append(current);
currentD = depth;
}
else
{
// qDebug() << ";;;;;;;;;;;;;;;;;;;;;;;;;";
}
current->setText(data);
linkItem(parent,current);
}
else
{
current = addNodeAt(QPoint(sceneRect().width()/2,sceneRect().height()/2));
current->setText(data);
m_roots.append(current);
qDebug() << "add roots" << current;
currentD = depth;
parent = current;
m_listOfAncestor.clear();
m_listOfAncestor.append(current);
}
}
}
}
