diff options
Diffstat (limited to 'src/declarative/util/qdeclarativelistmodel_p_p.h')
-rw-r--r-- | src/declarative/util/qdeclarativelistmodel_p_p.h | 123 |
1 files changed, 116 insertions, 7 deletions
diff --git a/src/declarative/util/qdeclarativelistmodel_p_p.h b/src/declarative/util/qdeclarativelistmodel_p_p.h index 8231414..acf4f3e 100644 --- a/src/declarative/util/qdeclarativelistmodel_p_p.h +++ b/src/declarative/util/qdeclarativelistmodel_p_p.h @@ -54,9 +54,11 @@ // #include "private/qdeclarativelistmodel_p.h" - -#include "qdeclarative.h" #include "private/qdeclarativeengine_p.h" +#include "private/qdeclarativeopenmetaobject_p.h" +#include "qdeclarative.h" + +#include <private/qscriptdeclarativeclass_p.h> QT_BEGIN_HEADER @@ -68,6 +70,8 @@ class QDeclarativeOpenMetaObject; class QScriptEngine; class QDeclarativeListModelWorkerAgent; struct ModelNode; +class FlatListScriptClass; +class FlatNodeData; class FlatListModel { @@ -94,16 +98,82 @@ public: private: friend class QDeclarativeListModelWorkerAgent; friend class QDeclarativeListModel; + friend class FlatListScriptClass; + friend class FlatNodeData; bool addValue(const QScriptValue &value, QHash<int, QVariant> *row, QList<int> *roles); + void insertedNode(int index); + void removedNode(int index); + void moveNodes(int from, int to, int n); QScriptEngine *m_scriptEngine; QHash<int, QString> m_roles; QHash<QString, int> m_strings; QList<QHash<int, QVariant> > m_values; QDeclarativeListModel *m_listModel; + + FlatListScriptClass *m_scriptClass; + QList<FlatNodeData *> m_nodeData; + QDeclarativeListModelWorkerAgent *m_parentAgent; +}; + + +/* + Created when get() is called on a FlatListModel. This allows changes to the + object returned by get() to be tracked, and passed onto the model. +*/ +class FlatListScriptClass : public QScriptDeclarativeClass +{ +public: + FlatListScriptClass(FlatListModel *model, QScriptEngine *seng); + + Value property(Object *, const Identifier &); + void setProperty(Object *, const Identifier &name, const QScriptValue &); + QScriptClass::QueryFlags queryProperty(Object *, const Identifier &, QScriptClass::QueryFlags flags); + bool compare(Object *, Object *); + +private: + FlatListModel *m_model; +}; + +/* + FlatNodeData and FlatNodeObjectData allow objects returned by get() to still + point to the correct list index if move(), insert() or remove() are called. +*/ +struct FlatNodeObjectData; +class FlatNodeData +{ +public: + FlatNodeData(int i) + : index(i) {} + + ~FlatNodeData(); + + void addData(FlatNodeObjectData *data); + void removeData(FlatNodeObjectData *data); + + int index; + +private: + QSet<FlatNodeObjectData*> objects; }; +struct FlatNodeObjectData : public QScriptDeclarativeClass::Object +{ + FlatNodeObjectData(FlatNodeData *data) : nodeData(data) { + nodeData->addData(this); + } + + ~FlatNodeObjectData() { + if (nodeData) + nodeData->removeData(this); + } + + FlatNodeData *nodeData; +}; + + + class NestedListModel { public: @@ -134,25 +204,50 @@ public: QDeclarativeListModel *m_listModel; private: + friend struct ModelNode; mutable QStringList roleStrings; mutable bool _rolesOk; }; +class ModelNodeMetaObject; class ModelObject : public QObject { Q_OBJECT public: - ModelObject(); + ModelObject(ModelNode *node, NestedListModel *model, QScriptEngine *seng); void setValue(const QByteArray &name, const QVariant &val); + void setNodeUpdatesEnabled(bool enable); + + NestedListModel *m_model; + ModelNode *m_node; + +private: + ModelNodeMetaObject *m_meta; +}; + +class ModelNodeMetaObject : public QDeclarativeOpenMetaObject +{ +public: + ModelNodeMetaObject(QScriptEngine *seng, ModelObject *object); + + bool m_enabled; + +protected: + void propertyWritten(int index); private: - QDeclarativeOpenMetaObject *_mo; + QScriptEngine *m_seng; + ModelObject *m_obj; }; + +/* + A ModelNode is created for each item in a NestedListModel. +*/ struct ModelNode { - ModelNode(); + ModelNode(NestedListModel *model); ~ModelNode(); QList<QVariant> values; @@ -165,30 +260,44 @@ struct ModelNode modelCache = new QDeclarativeListModel; QDeclarativeEngine::setContextForObject(modelCache,QDeclarativeEngine::contextForObject(model->m_listModel)); modelCache->m_nested->_root = this; // ListModel defaults to nestable model + + for (int i=0; i<values.count(); ++i) { + ModelNode *subNode = qvariant_cast<ModelNode *>(values.at(i)); + if (subNode) + subNode->m_model = modelCache->m_nested; + } } return modelCache; } ModelObject *object(const NestedListModel *model) { if (!objectCache) { - objectCache = new ModelObject(); + objectCache = new ModelObject(this, + const_cast<NestedListModel*>(model), + QDeclarativeEnginePrivate::getScriptEngine(qmlEngine(model->m_listModel))); QHash<QString, ModelNode *>::iterator it; for (it = properties.begin(); it != properties.end(); ++it) { objectCache->setValue(it.key().toUtf8(), model->valueForNode(*it)); } + objectCache->setNodeUpdatesEnabled(true); } return objectCache; } - void setObjectValue(const QScriptValue& valuemap); + void setObjectValue(const QScriptValue& valuemap, bool writeToCache = true); void setListValue(const QScriptValue& valuelist); void setProperty(const QString& prop, const QVariant& val); + void changedProperty(const QString &name) const; + void updateListIndexes(); static void dump(ModelNode *node, int ind); QDeclarativeListModel *modelCache; ModelObject *objectCache; bool isArray; + + NestedListModel *m_model; + int listIndex; // only used for top-level nodes within a list }; |