diff options
Diffstat (limited to 'src/gui')
-rw-r--r-- | src/gui/itemmodels/qstandarditemmodel.cpp | 32 | ||||
-rw-r--r-- | src/gui/itemmodels/qstandarditemmodel.h | 3 |
2 files changed, 35 insertions, 0 deletions
diff --git a/src/gui/itemmodels/qstandarditemmodel.cpp b/src/gui/itemmodels/qstandarditemmodel.cpp index 235bc5bd7d..a771bffa2f 100644 --- a/src/gui/itemmodels/qstandarditemmodel.cpp +++ b/src/gui/itemmodels/qstandarditemmodel.cpp @@ -931,6 +931,21 @@ void QStandardItem::setData(const QVariant &value, int role) } /*! + \since 5.12 + Removes all the data from all roles previously set. + \sa data(), setData() +*/ +void QStandardItem::clearData() +{ + Q_D(QStandardItem); + if (d->values.isEmpty()) + return; + d->values.clear(); + if (d->model) + d->model->d_func()->itemChanged(this, QVector<int>{}); +} + +/*! Returns the item's data for the given \a role, or an invalid QVariant if there is no data for the role. @@ -2991,6 +3006,23 @@ bool QStandardItemModel::setData(const QModelIndex &index, const QVariant &value } /*! + \since 5.12 + Removes the data stored in all the roles for the given \a index. + \sa setData(), data() +*/ +bool QStandardItemModel::clearItemData(const QModelIndex &index) +{ + if (!checkIndex(index, CheckIndexOption::IndexIsValid)) + return false; + Q_D(QStandardItemModel); + QStandardItem *item = d->itemFromIndex(index); + if (!item) + return false; + item->clearData(); + return true; +} + +/*! \reimp */ bool QStandardItemModel::setHeaderData(int section, Qt::Orientation orientation, const QVariant &value, int role) diff --git a/src/gui/itemmodels/qstandarditemmodel.h b/src/gui/itemmodels/qstandarditemmodel.h index 827179b31d..a9ee25da75 100644 --- a/src/gui/itemmodels/qstandarditemmodel.h +++ b/src/gui/itemmodels/qstandarditemmodel.h @@ -69,6 +69,7 @@ public: virtual QVariant data(int role = Qt::UserRole + 1) const; virtual void setData(const QVariant &value, int role = Qt::UserRole + 1); + void clearData(); inline QString text() const { return qvariant_cast<QString>(data(Qt::DisplayRole)); @@ -343,6 +344,8 @@ public: QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override; bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override; + // Qt 6: add override keyword + bool clearItemData(const QModelIndex &index); QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override; |