diff options
3 files changed, 32 insertions, 14 deletions
diff --git a/src/declarative/util/qdeclarativelistmodel.cpp b/src/declarative/util/qdeclarativelistmodel.cpp index 3ede335..b0d47a9 100644 --- a/src/declarative/util/qdeclarativelistmodel.cpp +++ b/src/declarative/util/qdeclarativelistmodel.cpp @@ -108,9 +108,9 @@ QDeclarativeListModelParser::ListInstruction *QDeclarativeListModelParser::ListM \snippet doc/src/snippets/declarative/listmodel-modify.qml delegate - When creating content dynamically, note that the set of available properties cannot be changed - except by first clearing the model. Whatever properties are first added to the model are then the - only permitted properties in the model until it is cleared. + Note that when creating content dynamically the set of available properties cannot be changed + once set. Whatever properties are first added to the model are the + only permitted properties in the model. \section2 Using threaded list models with WorkerScript @@ -283,8 +283,7 @@ int QDeclarativeListModel::count() const /*! \qmlmethod ListModel::clear() - Deletes all content from the model. The properties are cleared such that - different properties may be set on subsequent additions. + Deletes all content from the model. \sa append() remove() */ @@ -945,13 +944,14 @@ bool FlatListModel::addValue(const QScriptValue &value, QHash<int, QVariant> *ro } NestedListModel::NestedListModel(QDeclarativeListModel *base) - : _root(0), m_listModel(base), _rolesOk(false) + : _root(0), m_ownsRoot(false), m_listModel(base), _rolesOk(false) { } NestedListModel::~NestedListModel() { - delete _root; + if (m_ownsRoot) + delete _root; } QVariant NestedListModel::valueForNode(ModelNode *node, bool *hasNested) const @@ -1051,8 +1051,8 @@ void NestedListModel::clear() _rolesOk = false; roleStrings.clear(); - delete _root; - _root = 0; + if (_root) + _root->clear(); } void NestedListModel::remove(int index) @@ -1067,8 +1067,10 @@ void NestedListModel::remove(int index) bool NestedListModel::insert(int index, const QScriptValue& valuemap) { - if (!_root) + if (!_root) { _root = new ModelNode; + m_ownsRoot = true; + } ModelNode *mn = new ModelNode; mn->setObjectValue(valuemap); @@ -1099,8 +1101,10 @@ void NestedListModel::move(int from, int to, int n) bool NestedListModel::append(const QScriptValue& valuemap) { - if (!_root) + if (!_root) { _root = new ModelNode; + m_ownsRoot = true; + } ModelNode *mn = new ModelNode; mn->setObjectValue(valuemap); _root->values << qVariantFromValue(mn); diff --git a/src/declarative/util/qdeclarativelistmodel_p_p.h b/src/declarative/util/qdeclarativelistmodel_p_p.h index 532eefa..c41f016 100644 --- a/src/declarative/util/qdeclarativelistmodel_p_p.h +++ b/src/declarative/util/qdeclarativelistmodel_p_p.h @@ -130,6 +130,7 @@ public: void checkRoles() const; ModelNode *_root; + bool m_ownsRoot; QDeclarativeListModel *m_listModel; private: @@ -157,6 +158,18 @@ struct ModelNode QList<QVariant> values; QHash<QString, ModelNode *> properties; + void clear() { + ModelNode *node; + for (int ii = 0; ii < values.count(); ++ii) { + node = qvariant_cast<ModelNode *>(values.at(ii)); + if (node) { delete node; node = 0; } + } + values.clear(); + + qDeleteAll(properties.values()); + properties.clear(); + } + QDeclarativeListModel *model(const NestedListModel *model) { if (!modelCache) { modelCache = new QDeclarativeListModel; diff --git a/tests/auto/declarative/qdeclarativelistmodel/tst_qdeclarativelistmodel.cpp b/tests/auto/declarative/qdeclarativelistmodel/tst_qdeclarativelistmodel.cpp index 858c26d..10805b4 100644 --- a/tests/auto/declarative/qdeclarativelistmodel/tst_qdeclarativelistmodel.cpp +++ b/tests/auto/declarative/qdeclarativelistmodel/tst_qdeclarativelistmodel.cpp @@ -271,6 +271,9 @@ void tst_qdeclarativelistmodel::dynamic_data() QTest::newRow("nested-insert") << "{append({'foo':123});insert(0,{'bars':[{'a':1},{'b':2},{'c':3}]});get(0).bars.get(0).a}" << 1 << ""; QTest::newRow("nested-set") << "{append({'foo':123});set(0,{'foo':[{'x':123}]});get(0).foo.get(0).x}" << 123 << ""; + QTest::newRow("nested-count") << "{append({'foo':123,'bars':[{'a':1},{'a':2},{'a':3}]}); get(0).bars.count}" << 3 << ""; + QTest::newRow("nested-clear") << "{append({'foo':123,'bars':[{'a':1},{'a':2},{'a':3}]}); get(0).bars.clear(); get(0).bars.count}" << 0 << ""; + // XXX //QTest::newRow("nested-setprop") << "{append({'foo':123});setProperty(0,'foo',[{'x':123}]);get(0).foo.get(0).x}" << 123 << ""; } @@ -344,9 +347,7 @@ void tst_qdeclarativelistmodel::dynamic_worker() waitForWorker(item); QDeclarativeExpression e(eng.rootContext(), &model, operations.last().toString()); - if (QByteArray(QTest::currentDataTag()).startsWith("nested")) - QVERIFY(e.evaluate().toInt() != result); - else + if (!QByteArray(QTest::currentDataTag()).startsWith("nested")) QCOMPARE(e.evaluate().toInt(), result); } |