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Include parent-child relationships in KFileItemModel's consistency check

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This commit is contained in:
Frank Reininghaus 2013-02-10 18:06:07 +01:00
parent ac6d3d8250
commit 4f5a2eb943
2 changed files with 21 additions and 1 deletions
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19
src/kitemviews/kfileitemmodel.cpp
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@ -2018,12 +2018,12 @@ void KFileItemModel::determineMimeTypes(const KFileItemList& items, int timeout)
bool KFileItemModel::isConsistent() const
{
// Check that m_items and m_itemData are consistent, and that the items are sorted.
if (m_items.count() != m_itemData.count()) {
return false;
}
for (int i = 0; i < count(); ++i) {
// Check if m_items and m_itemData are consistent.
const KFileItem item = fileItem(i);
if (item.isNull()) {
qWarning() << "Item" << i << "is null";
@ -2036,11 +2036,28 @@ bool KFileItemModel::isConsistent() const
return false;
}
// Check if the items are sorted correctly.
if (i > 0 && !lessThan(m_itemData.at(i - 1), m_itemData.at(i))) {
qWarning() << "The order of items" << i - 1 << "and" << i << "is wrong:"
<< fileItem(i - 1) << fileItem(i);
return false;
}
// Check if all parent-child relationships are consistent.
const ItemData* data = m_itemData.at(i);
const ItemData* parent = data->parent;
if (parent) {
if (data->values.value("expandedParentsCount").toInt() != parent->values.value("expandedParentsCount").toInt() + 1) {
qWarning() << "expandedParentsCount is inconsistent for parent" << parent->item << "and child" << data->item;
return false;
}
const int parentIndex = index(parent->item);
if (parentIndex >= i) {
qWarning() << "Index" << parentIndex << "of parent" << parent->item << "is not smaller than index" << i << "of child" << data->item;
return false;
}
}
}
return true;

3
src/tests/kfileitemmodeltest.cpp
View file

@ -486,6 +486,7 @@ void KFileItemModelTest::testExpandItems()
QCOMPARE(spyRemoved.count(), 1);
itemRangeList = spyRemoved.takeFirst().at(0).value<KItemRangeList>();
QCOMPARE(itemRangeList, KItemRangeList() << KItemRange(1, 4)); // 4 items removed
QVERIFY(m_model->isConsistent());
// Clear the model, reload the folder and try to restore the expanded folders.
m_model->clear();
@ -502,6 +503,7 @@ void KFileItemModelTest::testExpandItems()
QVERIFY(m_model->isExpanded(3));
QVERIFY(!m_model->isExpanded(4));
QCOMPARE(m_model->expandedDirectories(), allFolders);
QVERIFY(m_model->isConsistent());
// Move to a sub folder, then call restoreExpandedFolders() *before* going back.
// This is how DolphinView restores the expanded folders when navigating in history.
@ -564,6 +566,7 @@ void KFileItemModelTest::testExpandParentItems()
QVERIFY(m_model->isExpanded(2));
QVERIFY(m_model->isExpanded(3));
QVERIFY(!m_model->isExpanded(4));
QVERIFY(m_model->isConsistent());
}
void KFileItemModelTest::testSorting()