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fix for deck list model crash

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This commit is contained in:
Max-Wilhelm Bruker 2009-07-17 21:27:38 +02:00
parent ec73ffc82b
commit ecc6f7b20f
4 changed files with 56 additions and 13 deletions
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28
cockatrice/src/decklistmodel.cpp
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@ -206,7 +206,6 @@ bool DeckListModel::setData(const QModelIndex &index, const QVariant &value, int
bool DeckListModel::removeRows(int row, int count, const QModelIndex &parent)
{
debugIndexInfo("removeRows", parent);
InnerDecklistNode *node = getNode<InnerDecklistNode *>(parent);
if (!node)
return false;
@ -274,11 +273,36 @@ QModelIndex DeckListModel::nodeToIndex(AbstractDecklistNode *node) const
return createIndex(node->getParent()->indexOf(node), 0, node);
}
void DeckListModel::sortHelper(InnerDecklistNode *node, Qt::SortOrder order)
{
// Sort children of node and save the information needed to
// update the list of persistent indexes.
QVector<QPair<int, int> > sortResult = node->sort(order);
QModelIndexList from, to;
for (int i = sortResult.size() - 1; i >= 0; --i) {
const int fromRow = sortResult[i].first;
const int toRow = sortResult[i].second;
AbstractDecklistNode *temp = node->at(toRow);
for (int j = columnCount(); j; --j) {
from << createIndex(fromRow, 0, temp);
to << createIndex(toRow, 0, temp);
}
}
changePersistentIndexList(from, to);
// Recursion
for (int i = node->size() - 1; i >= 0; --i) {
InnerDecklistNode *subNode = dynamic_cast<InnerDecklistNode *>(node->at(i));
if (subNode)
sortHelper(subNode, order);
}
}
void DeckListModel::sort(int /*column*/, Qt::SortOrder order)
{
emit layoutAboutToBeChanged();
root->sort(order);
sortHelper(root, order);
emit layoutChanged();
}