Qt
Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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QQmlAbstractColumnModel Class Referenceabstract

#include <qqmlabstractcolumnmodel_p.h>

Inheritance diagram for QQmlAbstractColumnModel:
Collaboration diagram for QQmlAbstractColumnModel:

Classes

struct  ColumnMetadata
class  ColumnRoleMetadata

Signals

void columnCountChanged ()
void rowsChanged ()
Signals inherited from QAbstractItemModel
void dataChanged (const QModelIndex &topLeft, const QModelIndex &bottomRight, const QList< int > &roles=QList< int >())
 This signal is emitted whenever the data in an existing item changes.
void headerDataChanged (Qt::Orientation orientation, int first, int last)
 This signal is emitted whenever a header is changed.
void layoutChanged (const QList< QPersistentModelIndex > &parents=QList< QPersistentModelIndex >(), QAbstractItemModel::LayoutChangeHint hint=QAbstractItemModel::NoLayoutChangeHint)
void layoutAboutToBeChanged (const QList< QPersistentModelIndex > &parents=QList< QPersistentModelIndex >(), QAbstractItemModel::LayoutChangeHint hint=QAbstractItemModel::NoLayoutChangeHint)
void rowsAboutToBeInserted (const QModelIndex &parent, int first, int last, QPrivateSignal)
 This signal is emitted just before rows are inserted into the model.
void rowsInserted (const QModelIndex &parent, int first, int last, QPrivateSignal)
 This signal is emitted after rows have been inserted into the model.
void rowsAboutToBeRemoved (const QModelIndex &parent, int first, int last, QPrivateSignal)
 This signal is emitted just before rows are removed from the model.
void rowsRemoved (const QModelIndex &parent, int first, int last, QPrivateSignal)
 This signal is emitted after rows have been removed from the model.
void columnsAboutToBeInserted (const QModelIndex &parent, int first, int last, QPrivateSignal)
 This signal is emitted just before columns are inserted into the model.
void columnsInserted (const QModelIndex &parent, int first, int last, QPrivateSignal)
 This signal is emitted after columns have been inserted into the model.
void columnsAboutToBeRemoved (const QModelIndex &parent, int first, int last, QPrivateSignal)
 This signal is emitted just before columns are removed from the model.
void columnsRemoved (const QModelIndex &parent, int first, int last, QPrivateSignal)
 This signal is emitted after columns have been removed from the model.
void modelAboutToBeReset (QPrivateSignal)
void modelReset (QPrivateSignal)
void rowsAboutToBeMoved (const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationRow, QPrivateSignal)
void rowsMoved (const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationRow, QPrivateSignal)
void columnsAboutToBeMoved (const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationColumn, QPrivateSignal)
void columnsMoved (const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationColumn, QPrivateSignal)
Signals inherited from QObject
void destroyed (QObject *=nullptr)
 This signal is emitted immediately before the object obj is destroyed, after any instances of QPointer have been notified, and cannot be blocked.
void objectNameChanged (const QString &objectName, QPrivateSignal)
 This signal is emitted after the object's name has been changed.

Public Member Functions

 QQmlAbstractColumnModel (QObject *parent=nullptr)
 ~QQmlAbstractColumnModel () override=default
QQmlListProperty< QQmlTableModelColumn > columns ()
Q_INVOKABLE QVariant data (const QModelIndex &index, const QString &role) const
Q_INVOKABLE QVariant data (const QModelIndex &index, int role=Qt::DisplayRole) const override
 Returns the data stored under the given role for the item referred to by the index.
Q_INVOKABLE bool setData (const QModelIndex &index, const QVariant &value, const QString &role)
Q_INVOKABLE bool setData (const QModelIndex &index, const QVariant &value, int role=Qt::DisplayRole) override
 Sets the role data for the item at index to value.
QHash< int, QByteArray > roleNames () const override
Qt::ItemFlags flags (const QModelIndex &index) const override
 Returns the item flags for the given index.
Public Member Functions inherited from QAbstractItemModel
 QAbstractItemModel (QObject *parent=nullptr)
 Constructs an abstract item model with the given parent.
virtual ~QAbstractItemModel ()
 Destroys the abstract item model.
Q_INVOKABLE bool hasIndex (int row, int column, const QModelIndex &parent=QModelIndex()) const
 Returns {true} if the model returns a valid QModelIndex for row and column with parent, otherwise returns {false}.
virtual Q_INVOKABLE QModelIndex index (int row, int column, const QModelIndex &parent=QModelIndex()) const =0
 Returns the index of the item in the model specified by the given row, column and parent index.
virtual Q_INVOKABLE QModelIndex parent (const QModelIndex &child) const =0
virtual Q_INVOKABLE QModelIndex sibling (int row, int column, const QModelIndex &idx) const
 Returns the sibling at row and column for the item at index, or an invalid QModelIndex if there is no sibling at that location.
virtual Q_INVOKABLE int rowCount (const QModelIndex &parent=QModelIndex()) const =0
 Returns the number of rows under the given parent.
virtual Q_INVOKABLE int columnCount (const QModelIndex &parent=QModelIndex()) const =0
 Returns the number of columns for the children of the given parent.
virtual Q_INVOKABLE bool hasChildren (const QModelIndex &parent=QModelIndex()) const
 Returns {true} if parent has any children; otherwise returns {false}.
virtual Q_INVOKABLE QVariant headerData (int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const
 Returns the data for the given role and section in the header with the specified orientation.
virtual bool setHeaderData (int section, Qt::Orientation orientation, const QVariant &value, int role=Qt::EditRole)
 Sets the data for the given role and section in the header with the specified orientation to the value supplied.
virtual QMap< int, QVariant > itemData (const QModelIndex &index) const
 Returns a map with values for all predefined roles in the model for the item at the given index.
virtual bool setItemData (const QModelIndex &index, const QMap< int, QVariant > &roles)
 Sets the role data for the item at index to the associated value in roles, for every Qt::ItemDataRole.
virtual bool clearItemData (const QModelIndex &index)
virtual QStringList mimeTypes () const
 Returns the list of allowed MIME types.
virtual QMimeData * mimeData (const QModelIndexList &indexes) const
 Returns an object that contains serialized items of data corresponding to the list of indexes specified.
virtual bool canDropMimeData (const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) const
 Returns {true} if a model can accept a drop of the data.
virtual bool dropMimeData (const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent)
 Handles the data supplied by a drag and drop operation that ended with the given action.
virtual Qt::DropActions supportedDropActions () const
virtual Qt::DropActions supportedDragActions () const
 Returns the actions supported by the data in this model.
Q_INVOKABLE Q_REVISION (6, 4) virtual bool insertRows(int row
Q_INVOKABLE Q_REVISION (6, 4) virtual bool insertColumns(int column
Q_INVOKABLE Q_REVISION (6, 4) virtual bool removeRows(int row
Q_INVOKABLE Q_REVISION (6, 4) virtual bool removeColumns(int column
Q_INVOKABLE Q_REVISION (6, 4) virtual bool moveRows(const QModelIndex &sourceParent
Q_INVOKABLE Q_REVISION (6, 4) virtual bool moveColumns(const QModelIndex &sourceParent
Q_INVOKABLE Q_REVISION (6, 4) inline bool insertRow(int row
Q_INVOKABLE Q_REVISION (6, 4) inline bool insertColumn(int column
Q_INVOKABLE Q_REVISION (6, 4) inline bool removeRow(int row
Q_INVOKABLE Q_REVISION (6, 4) inline bool removeColumn(int column
Q_INVOKABLE Q_REVISION (6, 4) inline bool moveRow(const QModelIndex &sourceParent
Q_INVOKABLE Q_REVISION (6, 4) inline bool moveColumn(const QModelIndex &sourceParent
virtual Q_INVOKABLE void fetchMore (const QModelIndex &parent)
 Fetches any available data for the items with the parent specified by the parent index.
virtual Q_INVOKABLE bool canFetchMore (const QModelIndex &parent) const
 Returns {true} if there is more data available for parent; otherwise returns {false}.
Q_INVOKABLE Q_REVISION (6, 4) virtual void sort(int column
virtual QModelIndex buddy (const QModelIndex &index) const
 Returns a model index for the buddy of the item represented by index.
virtual Q_INVOKABLE QModelIndexList match (const QModelIndex &start, int role, const QVariant &value, int hits=1, Qt::MatchFlags flags=Qt::MatchFlags(Qt::MatchStartsWith|Qt::MatchWrap)) const
 Returns a list of indexes for the items in the column of the start index where data stored under the given role matches the specified value.
virtual QSize span (const QModelIndex &index) const
 Returns the row and column span of the item represented by index.
bool checkIndex (const QModelIndex &index, CheckIndexOptions options=CheckIndexOption::NoOption) const
virtual void multiData (const QModelIndex &index, QModelRoleDataSpan roleDataSpan) const
QObject * parent () const
 Returns a pointer to the parent object.
Public Member Functions inherited from QObject
Q_INVOKABLE QObject (QObject *parent=nullptr)
 Constructs an object with parent object parent.
virtual ~QObject ()
 Destroys the object, deleting all its child objects.
virtual bool event (QEvent *event)
 This virtual function receives events to an object and should return true if the event e was recognized and processed.
virtual bool eventFilter (QObject *watched, QEvent *event)
 Filters events if this object has been installed as an event filter for the watched object.
QString objectName () const
Q_WEAK_OVERLOAD void setObjectName (const QString &name)
 Sets the object's name to name.
void setObjectName (QAnyStringView name)
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
QBindable< QString > bindableObjectName ()
bool isWidgetType () const
 Returns true if the object is a widget; otherwise returns false.
bool isWindowType () const
 Returns true if the object is a window; otherwise returns false.
bool isQuickItemType () const
 Returns true if the object is a QQuickItem; otherwise returns false.
bool isQmlObjectType () const
 Returns whether the object has been created by the QML engine or ownership has been explicitly set via QJSEngine::setObjectOwnership().
bool signalsBlocked () const noexcept
 Returns true if signals are blocked; otherwise returns false.
bool blockSignals (bool b) noexcept
 If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it).
QThread * thread () const
 Returns the thread in which the object lives.
bool moveToThread (QThread *thread QT6_DECL_NEW_OVERLOAD_TAIL)
 Changes the thread affinity for this object and its children and returns true on success.
int startTimer (int interval, Qt::TimerType timerType=Qt::CoarseTimer)
 This is an overloaded function that will start a timer of type timerType and a timeout of interval milliseconds.
int startTimer (std::chrono::nanoseconds time, Qt::TimerType timerType=Qt::CoarseTimer)
void killTimer (int id)
 Kills the timer with timer identifier, id.
void killTimer (Qt::TimerId id)
template<typename T>
T findChild (QAnyStringView aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 Returns the child of this object that can be cast into type T and that is called name, or \nullptr if there is no such object.
template<typename T>
QList< T > findChildren (QAnyStringView aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects.
template<typename T>
T findChild (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
template<typename T>
QList< T > findChildren (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
const QObjectList & children () const
 Returns a list of child objects.
void setParent (QObject *parent)
 Makes the object a child of parent.
void installEventFilter (QObject *filterObj)
 Installs an event filter filterObj on this object.
void removeEventFilter (QObject *obj)
 Removes an event filter object obj from this object.
QMetaObject::Connection connect (const QObject *sender, const char *signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const
bool disconnect (const char *signal=nullptr, const QObject *receiver=nullptr, const char *member=nullptr) const
bool disconnect (const QObject *receiver, const char *member=nullptr) const
void dumpObjectTree () const
 Dumps a tree of children to the debug output.
void dumpObjectInfo () const
 Dumps information about signal connections, etc.
bool setProperty (const char *name, const QVariant &value)
 Sets the value of the object's name property to value.
bool setProperty (const char *name, QVariant &&value)
QVariant property (const char *name) const
 Returns the value of the object's name property.
QList< QByteArray > dynamicPropertyNames () const
QBindingStorage * bindingStorage ()
const QBindingStorage * bindingStorage () const
QObject * parent () const
 Returns a pointer to the parent object.
bool inherits (const char *classname) const
 Returns true if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns false.
Public Member Functions inherited from QQmlParserStatus
 QQmlParserStatus ()
virtual ~QQmlParserStatus ()

Static Public Member Functions

static void columns_append (QQmlListProperty< QQmlTableModelColumn > *property, QQmlTableModelColumn *value)
static qsizetype columns_count (QQmlListProperty< QQmlTableModelColumn > *property)
static QQmlTableModelColumn * columns_at (QQmlListProperty< QQmlTableModelColumn > *property, qsizetype index)
static void columns_clear (QQmlListProperty< QQmlTableModelColumn > *property)
static void columns_replace (QQmlListProperty< QQmlTableModelColumn > *property, qsizetype index, QQmlTableModelColumn *value)
static void columns_removeLast (QQmlListProperty< QQmlTableModelColumn > *property)
Static Public Member Functions inherited from QObject
static QMetaObject::Connection connect (const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection)
 \threadsafe
static QMetaObject::Connection connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)
template<typename Func1, typename Func2>
static QMetaObject::Connection connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::ContextTypeForFunctor< Func2 >::ContextType *context, Func2 &&slot, Qt::ConnectionType type=Qt::AutoConnection)
template<typename Func1, typename Func2>
static QMetaObject::Connection connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, Func2 &&slot)
static bool disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *member)
 \threadsafe
static bool disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &member)
static bool disconnect (const QMetaObject::Connection &)
 Disconnect a connection.
template<typename Func1, typename Func2>
static bool disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object *receiver, Func2 slot)
template<typename Func1>
static bool disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const QObject *receiver, void **zero)

Protected Types

enum class  ColumnRole : quint8 { StringRole , FunctionRole }
enum  NewRowOperationFlag { OtherOperation , SetRowsOperation , AppendOperation }

Protected Member Functions

void classBegin () override
 Invoked after class creation, but before any properties have been set.
void componentComplete () override
 Invoked after the root component that caused this instantiation has completed construction.
virtual QVariant firstRow () const =0
virtual void setInitialRows ()=0
virtual QVariant dataPrivate (const QModelIndex &index, const QString &roleName) const =0
virtual void setDataPrivate (const QModelIndex &index, const QString &roleName, QVariant value)=0
ColumnRoleMetadata fetchColumnRoleData (const QString &roleNameKey, QQmlTableModelColumn *tableModelColumn, int columnIndex) const
void fetchColumnMetadata ()
bool validateRowType (QLatin1StringView functionName, const QVariant &row) const
virtual bool validateNewRow (QLatin1StringView functionName, const QVariant &row, NewRowOperationFlag operation=OtherOperation) const
Protected Member Functions inherited from QAbstractItemModel
 QAbstractItemModel (QAbstractItemModelPrivate &dd, QObject *parent=nullptr)
QModelIndex createIndex (int row, int column, const void *data=nullptr) const
 Creates a model index for the given row and column with the internal pointer ptr.
QModelIndex createIndex (int row, int column, quintptr id) const
 Creates a model index for the given row and column with the internal identifier, id.
void encodeData (const QModelIndexList &indexes, QDataStream &stream) const
bool decodeData (int row, int column, const QModelIndex &parent, QDataStream &stream)
void beginInsertRows (const QModelIndex &parent, int first, int last)
 Begins a row insertion operation.
void endInsertRows ()
 Ends a row insertion operation.
void beginRemoveRows (const QModelIndex &parent, int first, int last)
 Begins a row removal operation.
void endRemoveRows ()
 Ends a row removal operation.
bool beginMoveRows (const QModelIndex &sourceParent, int sourceFirst, int sourceLast, const QModelIndex &destinationParent, int destinationRow)
void endMoveRows ()
 Ends a row move operation.
void beginInsertColumns (const QModelIndex &parent, int first, int last)
 Begins a column insertion operation.
void endInsertColumns ()
 Ends a column insertion operation.
void beginRemoveColumns (const QModelIndex &parent, int first, int last)
 Begins a column removal operation.
void endRemoveColumns ()
 Ends a column removal operation.
bool beginMoveColumns (const QModelIndex &sourceParent, int sourceFirst, int sourceLast, const QModelIndex &destinationParent, int destinationColumn)
 Begins a column move operation.
void endMoveColumns ()
 Ends a column move operation.
void beginResetModel ()
 Begins a model reset operation.
void endResetModel ()
 Completes a model reset operation.
void changePersistentIndex (const QModelIndex &from, const QModelIndex &to)
 Changes the QPersistentModelIndex that is equal to the given from model index to the given to model index.
void changePersistentIndexList (const QModelIndexList &from, const QModelIndexList &to)
QModelIndexList persistentIndexList () const
Protected Member Functions inherited from QObject
QObject * sender () const
 Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns \nullptr.
int senderSignalIndex () const
int receivers (const char *signal) const
 Returns the number of receivers connected to the signal.
bool isSignalConnected (const QMetaMethod &signal) const
virtual void timerEvent (QTimerEvent *event)
 This event handler can be reimplemented in a subclass to receive timer events for the object.
virtual void childEvent (QChildEvent *event)
 This event handler can be reimplemented in a subclass to receive child events.
virtual void customEvent (QEvent *event)
 This event handler can be reimplemented in a subclass to receive custom events.
virtual void connectNotify (const QMetaMethod &signal)
virtual void disconnectNotify (const QMetaMethod &signal)
 QObject (QObjectPrivate &dd, QObject *parent=nullptr)

Protected Attributes

QList< QQmlTableModelColumn * > mColumns
bool mComponentCompleted = false
int mColumnCount = 0
QVector< ColumnMetadata > mColumnMetadata
QHash< int, QByteArray > mRoleNames
Protected Attributes inherited from QObject
QScopedPointer< QObjectData > d_ptr

Properties

QML_ANONYMOUSint columnCount
QQmlListProperty< QQmlTableModelColumn > columns
Properties inherited from QObject
QString objectName
 the name of this object

Additional Inherited Members

Public Types inherited from QAbstractItemModel
enum  LayoutChangeHint { NoLayoutChangeHint , VerticalSortHint , HorizontalSortHint }
 This enum describes the way the model changes layout. More...
enum class  CheckIndexOption { NoOption = 0x0000 , IndexIsValid = 0x0001 , DoNotUseParent = 0x0002 , ParentIsInvalid = 0x0004 }
Public Slots inherited from QAbstractItemModel
virtual bool submit ()
 Lets the model know that it should submit cached information to permanent storage.
virtual void revert ()
 Lets the model know that it should discard cached information.
Public Slots inherited from QObject
void deleteLater ()
 \threadsafe
Public Attributes inherited from QAbstractItemModel
Q_INVOKABLE int count
Q_INVOKABLE int const QModelIndex & parent = QModelIndex())
 Returns the parent of the model item with the given index.
Q_INVOKABLE int sourceRow
Q_INVOKABLE int int count
Q_INVOKABLE int int const QModelIndex & destinationParent
Q_INVOKABLE int int const QModelIndex int destinationChild
Q_INVOKABLE int sourceColumn
Q_INVOKABLE const QModelIndex & parent = QModelIndex())
Q_INVOKABLE int const QModelIndex & destinationParent
Q_INVOKABLE int const QModelIndex int destinationChild
Q_INVOKABLE Qt::SortOrder order = Qt::AscendingOrder)
Protected Slots inherited from QAbstractItemModel
virtual void resetInternalData ()
Related Symbols inherited from QObject
 Returns the given object cast to type T if the object is of type T (or of a subclass); otherwise returns \nullptr.
 \macro Q_CLASSINFO(Name, Value)

Detailed Description

Definition at line 25 of file qqmlabstractcolumnmodel_p.h.

Member Enumeration Documentation

◆ ColumnRole

enum class QQmlAbstractColumnModel::ColumnRole : quint8
strongprotected
Enumerator
StringRole 
FunctionRole 

Definition at line 71 of file qqmlabstractcolumnmodel_p.h.

◆ NewRowOperationFlag

enum QQmlAbstractColumnModel::NewRowOperationFlag
protected
Enumerator
OtherOperation 
SetRowsOperation 
AppendOperation 

Definition at line 101 of file qqmlabstractcolumnmodel_p.h.

Constructor & Destructor Documentation

◆ QQmlAbstractColumnModel()

QQmlAbstractColumnModel::QQmlAbstractColumnModel ( QObject * parent = nullptr)
explicit

Definition at line 18 of file qqmlabstractcolumnmodel.cpp.

◆ ~QQmlAbstractColumnModel()

QQmlAbstractColumnModel::~QQmlAbstractColumnModel ( )
overridedefault

Member Function Documentation

◆ classBegin()

void QQmlAbstractColumnModel::classBegin ( )
overrideprotectedvirtual

Invoked after class creation, but before any properties have been set.

Implements QQmlParserStatus.

Definition at line 214 of file qqmlabstractcolumnmodel.cpp.

◆ columnCountChanged

void QQmlAbstractColumnModel::columnCountChanged ( )
signal

◆ columns()

QQmlListProperty< QQmlTableModelColumn > QQmlAbstractColumnModel::columns ( )

◆ columns_append()

void QQmlAbstractColumnModel::columns_append ( QQmlListProperty< QQmlTableModelColumn > * property,
QQmlTableModelColumn * value )
static

Definition at line 34 of file qqmlabstractcolumnmodel.cpp.

◆ columns_at()

QQmlTableModelColumn * QQmlAbstractColumnModel::columns_at ( QQmlListProperty< QQmlTableModelColumn > * property,
qsizetype index )
static

Definition at line 52 of file qqmlabstractcolumnmodel.cpp.

◆ columns_clear()

void QQmlAbstractColumnModel::columns_clear ( QQmlListProperty< QQmlTableModelColumn > * property)
static

Definition at line 59 of file qqmlabstractcolumnmodel.cpp.

◆ columns_count()

qsizetype QQmlAbstractColumnModel::columns_count ( QQmlListProperty< QQmlTableModelColumn > * property)
static

Definition at line 45 of file qqmlabstractcolumnmodel.cpp.

◆ columns_removeLast()

void QQmlAbstractColumnModel::columns_removeLast ( QQmlListProperty< QQmlTableModelColumn > * property)
static

Definition at line 74 of file qqmlabstractcolumnmodel.cpp.

◆ columns_replace()

void QQmlAbstractColumnModel::columns_replace ( QQmlListProperty< QQmlTableModelColumn > * property,
qsizetype index,
QQmlTableModelColumn * value )
static

Definition at line 66 of file qqmlabstractcolumnmodel.cpp.

◆ componentComplete()

void QQmlAbstractColumnModel::componentComplete ( )
overrideprotectedvirtual

Invoked after the root component that caused this instantiation has completed construction.

At this point all static values and binding values have been assigned to the class.

Implements QQmlParserStatus.

Definition at line 218 of file qqmlabstractcolumnmodel.cpp.

◆ data() [1/2]

QVariant QQmlAbstractColumnModel::data ( const QModelIndex & index,
const QString & role ) const

Definition at line 81 of file qqmlabstractcolumnmodel.cpp.

◆ data() [2/2]

QVariant QQmlAbstractColumnModel::data ( const QModelIndex & index,
int role = Qt::DisplayRole ) const
overridevirtual

Returns the data stored under the given role for the item referred to by the index.

Note
If you do not have a value to return, return an invalid (default-constructed) QVariant.
See also
Qt::ItemDataRole, setData(), headerData()

Implements QAbstractItemModel.

Definition at line 89 of file qqmlabstractcolumnmodel.cpp.

◆ dataPrivate()

virtual QVariant QQmlAbstractColumnModel::dataPrivate ( const QModelIndex & index,
const QString & roleName ) const
protectedpure virtual

Implemented in QQmlTableModel, and QQmlTreeModel.

◆ fetchColumnMetadata()

void QQmlAbstractColumnModel::fetchColumnMetadata ( )
protected

Definition at line 298 of file qqmlabstractcolumnmodel.cpp.

◆ fetchColumnRoleData()

QQmlAbstractColumnModel::ColumnRoleMetadata QQmlAbstractColumnModel::fetchColumnRoleData ( const QString & roleNameKey,
QQmlTableModelColumn * tableModelColumn,
int columnIndex ) const
protected

Definition at line 247 of file qqmlabstractcolumnmodel.cpp.

◆ firstRow()

virtual QVariant QQmlAbstractColumnModel::firstRow ( ) const
protectedpure virtual

Implemented in QQmlTableModel, and QQmlTreeModel.

◆ flags()

Qt::ItemFlags QQmlAbstractColumnModel::flags ( const QModelIndex & index) const
overridevirtual

Returns the item flags for the given index.

The base class implementation returns a combination of flags that enables the item (ItemIsEnabled) and allows it to be selected (ItemIsSelectable).

See also
Qt::ItemFlags

Reimplemented from QAbstractItemModel.

Definition at line 208 of file qqmlabstractcolumnmodel.cpp.

◆ roleNames()

QHash< int, QByteArray > QQmlAbstractColumnModel::roleNames ( ) const
overridevirtual
Since
4.6

Returns the model's role names.

The default role names set by Qt are:

\table \header

Reimplemented from QAbstractItemModel.

Definition at line 203 of file qqmlabstractcolumnmodel.cpp.

◆ rowsChanged

void QQmlAbstractColumnModel::rowsChanged ( )
signal

◆ setData() [1/2]

bool QQmlAbstractColumnModel::setData ( const QModelIndex & index,
const QVariant & value,
const QString & role )

Definition at line 132 of file qqmlabstractcolumnmodel.cpp.

◆ setData() [2/2]

bool QQmlAbstractColumnModel::setData ( const QModelIndex & index,
const QVariant & value,
int role = Qt::DisplayRole )
overridevirtual

Sets the role data for the item at index to value.

Returns {true} if successful; otherwise returns {false}.

The dataChanged() signal should be emitted if the data was successfully set.

The base class implementation returns {false}. This function and data() must be reimplemented for editable models.

See also
Qt::ItemDataRole, data(), itemData()

Reimplemented from QAbstractItemModel.

Definition at line 140 of file qqmlabstractcolumnmodel.cpp.

◆ setDataPrivate()

virtual void QQmlAbstractColumnModel::setDataPrivate ( const QModelIndex & index,
const QString & roleName,
QVariant value )
protectedpure virtual

Implemented in QQmlTableModel, and QQmlTreeModel.

◆ setInitialRows()

virtual void QQmlAbstractColumnModel::setInitialRows ( )
protectedpure virtual

Implemented in QQmlTableModel, and QQmlTreeModel.

◆ validateNewRow()

bool QQmlAbstractColumnModel::validateNewRow ( QLatin1StringView functionName,
const QVariant & row,
NewRowOperationFlag operation = OtherOperation ) const
protectedvirtual

Reimplemented in QQmlTreeModel.

Definition at line 353 of file qqmlabstractcolumnmodel.cpp.

◆ validateRowType()

bool QQmlAbstractColumnModel::validateRowType ( QLatin1StringView functionName,
const QVariant & row ) const
protected

Definition at line 335 of file qqmlabstractcolumnmodel.cpp.

Member Data Documentation

◆ mColumnCount

int QQmlAbstractColumnModel::mColumnCount = 0
protected

Definition at line 114 of file qqmlabstractcolumnmodel_p.h.

◆ mColumnMetadata

QVector<ColumnMetadata> QQmlAbstractColumnModel::mColumnMetadata
protected

Definition at line 116 of file qqmlabstractcolumnmodel_p.h.

◆ mColumns

QList<QQmlTableModelColumn *> QQmlAbstractColumnModel::mColumns
protected

Definition at line 111 of file qqmlabstractcolumnmodel_p.h.

◆ mComponentCompleted

bool QQmlAbstractColumnModel::mComponentCompleted = false
protected

Definition at line 113 of file qqmlabstractcolumnmodel_p.h.

◆ mRoleNames

QHash<int, QByteArray> QQmlAbstractColumnModel::mRoleNames
protected

Definition at line 119 of file qqmlabstractcolumnmodel_p.h.

Property Documentation

◆ columnCount

QML_ANONYMOUSint QQmlAbstractColumnModel::columnCount
read

Definition at line 29 of file qqmlabstractcolumnmodel_p.h.

◆ columns

QQmlListProperty< QQmlTableModelColumn > QQmlAbstractColumnModel::columns
read

Definition at line 30 of file qqmlabstractcolumnmodel_p.h.

The documentation for this class was generated from the following files: