void ModelSpy::startSpying()
{
// If a signal is connected to a slot multiple times, the slot gets called multiple times.
// As we're doing start and stop spying all the time, we disconnect here first to make sure.
stopSpying();
m_isSpying = true;
connect(m_model, SIGNAL(rowsAboutToBeInserted(const QModelIndex &, int, int)),
SLOT(rowsAboutToBeInserted(const QModelIndex &, int, int)));
connect(m_model, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
SLOT(rowsInserted(const QModelIndex &, int, int)));
connect(m_model, SIGNAL(rowsAboutToBeRemoved(const QModelIndex &, int, int)),
SLOT(rowsAboutToBeRemoved(const QModelIndex &, int, int)));
connect(m_model, SIGNAL(rowsRemoved(const QModelIndex &, int, int)),
SLOT(rowsRemoved(const QModelIndex &, int, int)));
connect(m_model, SIGNAL(layoutAboutToBeChanged()),
SLOT(layoutAboutToBeChanged()));
connect(m_model, SIGNAL(layoutChanged()),
SLOT(layoutChanged()));
connect(m_model, SIGNAL(modelAboutToBeReset()),
SLOT(modelAboutToBeReset()));
connect(m_model, SIGNAL(modelReset()),
SLOT(modelReset()));
connect(m_model, SIGNAL(rowsAboutToBeMoved(const QModelIndex &, int, int,const QModelIndex &, int)),
SLOT(rowsAboutToBeMoved(const QModelIndex &, int, int, const QModelIndex &, int)));
connect(m_model, SIGNAL(rowsMoved(const QModelIndex &, int, int, const QModelIndex &, int)),
SLOT(rowsMoved(const QModelIndex &, int, int, const QModelIndex &, int)));
connect(m_model, SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),
SLOT(dataChanged(const QModelIndex &, const QModelIndex &)));
connect(m_model, SIGNAL(destroyed()), SLOT(modelDestroyed()));
}
void YaStatusBar::setModel(QAbstractItemModel* model)
{
if (model == model_)
return;
if (model_) {
disconnect(model_, SIGNAL(destroyed()),
this, SLOT(modelDestroyed()));
disconnect(model_, SIGNAL(dataChanged(QModelIndex, QModelIndex)),
this, SLOT(dataChanged(QModelIndex, QModelIndex)));
disconnect(model_, SIGNAL(rowsInserted(QModelIndex, int, int)),
this, SLOT(rowsInserted(QModelIndex, int, int)));
disconnect(model_, SIGNAL(rowsRemoved(QModelIndex, int, int)),
this, SLOT(rowsRemoved(QModelIndex, int, int)));
disconnect(model_, SIGNAL(modelReset()), this, SLOT(reset()));
// disconnect(model_, SIGNAL(layoutChanged()), this, SLOT(doItemsLayout()));
}
model_ = model;
if (model_) {
connect(model_, SIGNAL(destroyed()),
this, SLOT(modelDestroyed()));
connect(model_, SIGNAL(dataChanged(QModelIndex, QModelIndex)),
this, SLOT(dataChanged(QModelIndex, QModelIndex)));
connect(model_, SIGNAL(rowsInserted(QModelIndex, int, int)),
this, SLOT(rowsInserted(QModelIndex, int, int)));
connect(model_, SIGNAL(rowsRemoved(QModelIndex, int, int)),
this, SLOT(rowsRemoved(QModelIndex, int, int)));
connect(model_, SIGNAL(modelReset()), this, SLOT(reset()));
// connect(model_, SIGNAL(layoutChanged()), this, SLOT(doItemsLayout()));
}
reset();
}
void QCompletionModel::setSourceModel(QAbstractItemModel *source)
{
bool hadModel = (sourceModel() != 0);
if (hadModel)
QObject::disconnect(sourceModel(), 0, this, 0);
QAbstractProxyModel::setSourceModel(source);
if (source) {
// TODO: Optimize updates in the source model
connect(source, SIGNAL(modelReset()), this, SLOT(invalidate()));
connect(source, SIGNAL(destroyed()), this, SLOT(modelDestroyed()));
connect(source, SIGNAL(layoutChanged()), this, SLOT(invalidate()));
connect(source, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(rowsInserted()));
connect(source, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(invalidate()));
connect(source, SIGNAL(columnsInserted(QModelIndex,int,int)), this, SLOT(invalidate()));
connect(source, SIGNAL(columnsRemoved(QModelIndex,int,int)), this, SLOT(invalidate()));
connect(source, SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(invalidate()));
}
invalidate();
}
/*virtual*/
void AbstractItemView::setModel(QAbstractItemModel *model, AbstractViewItem *prototype)
{
if( m_model == model || !model)
return;
if (m_model) {
disconnect(m_model, SIGNAL(destroyed()),
this, SLOT(_q_modelDestroyed()));
disconnect(m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)),
this, SLOT( dataChanged(QModelIndex,QModelIndex)));
disconnect(m_model, SIGNAL(rowsInserted(QModelIndex,int,int)),
this, SLOT(rowsInserted(QModelIndex,int,int)));
disconnect(m_model, SIGNAL(rowsRemoved(QModelIndex,int,int)),
this, SLOT(rowsRemoved(QModelIndex,int,int)));
disconnect(m_model, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
this, SLOT(rowsAboutToBeRemoved(QModelIndex,int,int)));
disconnect(m_model, SIGNAL(rowsAboutToBeInserted(QModelIndex,int,int)),
this, SLOT(rowsAboutToBeInserted(QModelIndex,int,int)));
disconnect(m_model, SIGNAL(columnsInserted(QModelIndex,int,int)),
this, SLOT(columnsInserted(QModelIndex,int,int)));
disconnect(m_model, SIGNAL(columnsAboutToBeInserted(QModelIndex,int,int)),
this, SLOT(columnsAboutToBeInserted(QModelIndex,int,int)));
disconnect(m_model, SIGNAL(columnsRemoved(QModelIndex,int,int)),
this, SLOT(columnsRemoved(QModelIndex,int,int)));
disconnect(m_model, SIGNAL(columnsAboutToBeRemoved(QModelIndex,int,int)),
this, SLOT(columnsAboutToBeRemoved(QModelIndex,int,int)));
disconnect(m_model, SIGNAL(modelReset()), this, SLOT(reset()));
disconnect(m_model, SIGNAL(layoutChanged()), this, SLOT(_q_layoutChanged()));
m_model = 0;
}
setSelectionModel(0);
m_currentIndex = QModelIndex();
m_rootIndex = QModelIndex();
m_model = model;
Q_ASSERT_X(m_model->index(0,0) == m_model->index(0,0),
"AbstractItemView::setModel",
"A model should return the exact same index "
"(including its internal id/pointer) when asked for it twice in a row.");
Q_ASSERT_X(m_model->index(0,0).parent() == QModelIndex(),
"AbstractItemView::setModel",
"The parent of a top level index should be invalid");
connect(m_model, SIGNAL(destroyed()), this, SLOT(modelDestroyed()));
connect(m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)),
this, SLOT( dataChanged(QModelIndex,QModelIndex)));
connect(m_model, SIGNAL(rowsAboutToBeInserted(QModelIndex,int,int)),
this, SLOT(rowsAboutToBeInserted(QModelIndex,int,int)));
connect(m_model, SIGNAL(rowsInserted(QModelIndex,int,int)),
this, SLOT(rowsInserted(QModelIndex,int,int)));
connect(m_model, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
this, SLOT(rowsAboutToBeRemoved(QModelIndex,int,int)));
connect(m_model, SIGNAL(rowsRemoved(QModelIndex,int,int)),
this, SLOT(rowsRemoved(QModelIndex,int,int)));
connect(m_model, SIGNAL(modelReset()), this, SLOT(reset()));
connect(m_model, SIGNAL(layoutChanged()), this, SLOT(layoutChanged()));
setSelectionModel(new QItemSelectionModel(m_model));
if (prototype && m_container) {
m_container->setItemPrototype(prototype);
m_container->reset();
}
}