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Models for Qt Model/View system

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The KDE Community
Supported platforms
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IRC: #kde-devel on Freenode
Mailing list: kde-frameworks-devel
Use with CMake
find_package(KF5ItemModels)
target_link_libraries(yourapp KF5::ItemModels)
Use with QMake
QT += KItemModels 
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git clone git://anongit.kde.org/kitemmodels.git
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KItemModels on cgit.kde.org

KItemModels

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Public Member Functions | List of all members
KRearrangeColumnsProxyModel Class Reference

#include <KRearrangeColumnsProxyModel>

Inheritance diagram for KRearrangeColumnsProxyModel:
Inheritance graph
[legend]

Public Member Functions

 KRearrangeColumnsProxyModel (QObject *parent=nullptr)
 
 ~KRearrangeColumnsProxyModel ()
 
int columnCount (const QModelIndex &parent=QModelIndex()) const override
 
QVariant headerData (int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const override
 
QModelIndex index (int row, int column, const QModelIndex &parent=QModelIndex()) const override
 
QModelIndex mapFromSource (const QModelIndex &sourceIndex) const override
 
QModelIndex mapToSource (const QModelIndex &proxyIndex) const override
 
QModelIndex parent (const QModelIndex &child) const override
 
int rowCount (const QModelIndex &parent=QModelIndex()) const override
 
void setSourceColumns (const QVector< int > &columns)
 
QModelIndex sibling (int row, int column, const QModelIndex &idx) const override
 
- Public Member Functions inherited from QIdentityProxyModel
 QIdentityProxyModel (QObject *parent)
 
virtual bool dropMimeData (const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent)
 
virtual bool insertColumns (int column, int count, const QModelIndex &parent)
 
virtual bool insertRows (int row, int count, const QModelIndex &parent)
 
virtual QItemSelection mapSelectionFromSource (const QItemSelection &selection) const
 
virtual QItemSelection mapSelectionToSource (const QItemSelection &selection) const
 
virtual QModelIndexList match (const QModelIndex &start, int role, const QVariant &value, int hits, QFlags< Qt::MatchFlag > flags) const
 
virtual bool removeColumns (int column, int count, const QModelIndex &parent)
 
virtual bool removeRows (int row, int count, const QModelIndex &parent)
 
virtual void setSourceModel (QAbstractItemModel *newSourceModel)
 
- Public Member Functions inherited from QAbstractProxyModel
 QAbstractProxyModel (QObject *parent)
 
virtual QModelIndex buddy (const QModelIndex &index) const
 
virtual bool canFetchMore (const QModelIndex &parent) const
 
virtual QVariant data (const QModelIndex &proxyIndex, int role) const
 
virtual void fetchMore (const QModelIndex &parent)
 
virtual Qt::ItemFlags flags (const QModelIndex &index) const
 
virtual bool hasChildren (const QModelIndex &parent) const
 
virtual QMap< int, QVariant > itemData (const QModelIndex &proxyIndex) const
 
virtual QModelIndex mapFromSource (const QModelIndex &sourceIndex) const =0
 
virtual QModelIndex mapToSource (const QModelIndex &proxyIndex) const =0
 
virtual QMimeData * mimeData (const QModelIndexList &indexes) const
 
virtual QStringList mimeTypes () const
 
virtual void revert ()
 
virtual bool setData (const QModelIndex &index, const QVariant &value, int role)
 
virtual bool setHeaderData (int section, Qt::Orientation orientation, const QVariant &value, int role)
 
virtual bool setItemData (const QModelIndex &index, const QMap< int, QVariant > &roles)
 
virtual void sort (int column, Qt::SortOrder order)
 
QAbstractItemModel * sourceModel () const
 
void sourceModelChanged ()
 
virtual QSize span (const QModelIndex &index) const
 
virtual bool submit ()
 
virtual Qt::DropActions supportedDropActions () const
 
- Public Member Functions inherited from QAbstractItemModel
 QAbstractItemModel (QObject *parent)
 
virtual bool canDropMimeData (const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) const
 
virtual int columnCount (const QModelIndex &parent) const =0
 
void columnsAboutToBeInserted (const QModelIndex &parent, int start, int end)
 
void columnsAboutToBeMoved (const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationColumn)
 
void columnsAboutToBeRemoved (const QModelIndex &parent, int start, int end)
 
void columnsInserted (const QModelIndex &parent, int start, int end)
 
void columnsMoved (const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationColumn)
 
void columnsRemoved (const QModelIndex &parent, int start, int end)
 
virtual QVariant data (const QModelIndex &index, int role) const =0
 
void dataChanged (const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector< int > &roles)
 
bool hasIndex (int row, int column, const QModelIndex &parent) const
 
void headerDataChanged (Qt::Orientation orientation, int first, int last)
 
virtual QModelIndex index (int row, int column, const QModelIndex &parent) const =0
 
bool insertColumn (int column, const QModelIndex &parent)
 
bool insertRow (int row, const QModelIndex &parent)
 
void layoutAboutToBeChanged (const QList< QPersistentModelIndex > &parents, QAbstractItemModel::LayoutChangeHint hint)
 
void layoutChanged (const QList< QPersistentModelIndex > &parents, QAbstractItemModel::LayoutChangeHint hint)
 
void modelAboutToBeReset ()
 
void modelReset ()
 
bool moveColumn (const QModelIndex &sourceParent, int sourceColumn, const QModelIndex &destinationParent, int destinationChild)
 
virtual bool moveColumns (const QModelIndex &sourceParent, int sourceColumn, int count, const QModelIndex &destinationParent, int destinationChild)
 
bool moveRow (const QModelIndex &sourceParent, int sourceRow, const QModelIndex &destinationParent, int destinationChild)
 
virtual bool moveRows (const QModelIndex &sourceParent, int sourceRow, int count, const QModelIndex &destinationParent, int destinationChild)
 
virtual QModelIndex parent (const QModelIndex &index) const =0
 
bool removeColumn (int column, const QModelIndex &parent)
 
bool removeRow (int row, const QModelIndex &parent)
 
virtual QHash< int, QByteArray > roleNames () const
 
virtual int rowCount (const QModelIndex &parent) const =0
 
void rowsAboutToBeInserted (const QModelIndex &parent, int start, int end)
 
void rowsAboutToBeMoved (const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationRow)
 
void rowsAboutToBeRemoved (const QModelIndex &parent, int start, int end)
 
void rowsInserted (const QModelIndex &parent, int start, int end)
 
void rowsMoved (const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationRow)
 
void rowsRemoved (const QModelIndex &parent, int start, int end)
 
void setSupportedDragActions (QFlags< Qt::DropAction > actions)
 
virtual Qt::DropActions supportedDragActions () const
 
- Public Member Functions inherited from QObject
 QObject (QObject *parent)
 
bool blockSignals (bool block)
 
const QObjectList & children () const
 
QMetaObject::Connection connect (const QObject *sender, const char *signal, const char *method, Qt::ConnectionType type) const
 
void deleteLater ()
 
void destroyed (QObject *obj)
 
bool disconnect (const char *signal, const QObject *receiver, const char *method) const
 
bool disconnect (const QObject *receiver, const char *method) const
 
void dumpObjectInfo ()
 
void dumpObjectTree ()
 
QList< QByteArray > dynamicPropertyNames () const
 
virtual bool event (QEvent *e)
 
virtual bool eventFilter (QObject *watched, QEvent *event)
 
T findChild (const QString &name, QFlags< Qt::FindChildOption > options) const
 
QList< T > findChildren (const QString &name, QFlags< Qt::FindChildOption > options) const
 
QList< T > findChildren (const QRegExp &regExp, QFlags< Qt::FindChildOption > options) const
 
QList< T > findChildren (const QRegularExpression &re, QFlags< Qt::FindChildOption > options) const
 
bool inherits (const char *className) const
 
void installEventFilter (QObject *filterObj)
 
bool isWidgetType () const
 
bool isWindowType () const
 
void killTimer (int id)
 
virtual const QMetaObject * metaObject () const
 
void moveToThread (QThread *targetThread)
 
QString objectName () const
 
void objectNameChanged (const QString &objectName)
 
QObject * parent () const
 
QVariant property (const char *name) const
 
void removeEventFilter (QObject *obj)
 
void setObjectName (const QString &name)
 
void setParent (QObject *parent)
 
bool setProperty (const char *name, const QVariant &value)
 
bool signalsBlocked () const
 
int startTimer (int interval, Qt::TimerType timerType)
 
QThread * thread () const
 

Additional Inherited Members

- Properties inherited from QAbstractProxyModel
 sourceModel
 
- Properties inherited from QObject
 objectName
 
- Static Public Member Functions inherited from QObject
QMetaObject::Connection connect (const QObject *sender, const char *signal, const QObject *receiver, const char *method, Qt::ConnectionType type)
 
QMetaObject::Connection connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type)
 
QMetaObject::Connection connect (const QObject *sender, PointerToMemberFunction signal, const QObject *receiver, PointerToMemberFunction method, Qt::ConnectionType type)
 
QMetaObject::Connection connect (const QObject *sender, PointerToMemberFunction signal, Functor functor)
 
QMetaObject::Connection connect (const QObject *sender, PointerToMemberFunction signal, const QObject *context, Functor functor, Qt::ConnectionType type)
 
bool disconnect (const QMetaObject::Connection &connection)
 
bool disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *method)
 
bool disconnect (const QObject *sender, PointerToMemberFunction signal, const QObject *receiver, PointerToMemberFunction method)
 
bool disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method)
 
QString tr (const char *sourceText, const char *disambiguation, int n)
 
QString trUtf8 (const char *sourceText, const char *disambiguation, int n)
 
- Protected Member Functions inherited from QAbstractProxyModel
void resetInternalData ()
 
- Protected Member Functions inherited from QAbstractItemModel
void beginInsertColumns (const QModelIndex &parent, int first, int last)
 
void beginInsertRows (const QModelIndex &parent, int first, int last)
 
bool beginMoveColumns (const QModelIndex &sourceParent, int sourceFirst, int sourceLast, const QModelIndex &destinationParent, int destinationChild)
 
bool beginMoveRows (const QModelIndex &sourceParent, int sourceFirst, int sourceLast, const QModelIndex &destinationParent, int destinationChild)
 
void beginRemoveColumns (const QModelIndex &parent, int first, int last)
 
void beginRemoveRows (const QModelIndex &parent, int first, int last)
 
void beginResetModel ()
 
void changePersistentIndex (const QModelIndex &from, const QModelIndex &to)
 
void changePersistentIndexList (const QModelIndexList &from, const QModelIndexList &to)
 
QModelIndex createIndex (int row, int column, void *ptr) const
 
QModelIndex createIndex (int row, int column, quintptr id) const
 
void endInsertColumns ()
 
void endInsertRows ()
 
void endMoveColumns ()
 
void endMoveRows ()
 
void endRemoveColumns ()
 
void endRemoveRows ()
 
void endResetModel ()
 
QModelIndexList persistentIndexList () const
 
void reset ()
 
void resetInternalData ()
 
void setRoleNames (const QHash< int, QByteArray > &roleNames)
 
- Protected Member Functions inherited from QObject
virtual void childEvent (QChildEvent *event)
 
virtual void connectNotify (const QMetaMethod &signal)
 
virtual void customEvent (QEvent *event)
 
virtual void disconnectNotify (const QMetaMethod &signal)
 
bool isSignalConnected (const QMetaMethod &signal) const
 
int receivers (const char *signal) const
 
QObject * sender () const
 
int senderSignalIndex () const
 
virtual void timerEvent (QTimerEvent *event)
 

Detailed Description

This proxy shows specific columns from the source model, in any order.

This allows to reorder columns, as well as not showing all of them.

The proxy supports source models that have a tree structure. It also supports editing, and propagating changes from the source model.

Showing the same source column more than once is not supported.

Author: David Faure, KDAB

Since
5.12

Definition at line 44 of file krearrangecolumnsproxymodel.h.

Constructor & Destructor Documentation

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

Creates a KRearrangeColumnsProxyModel proxy.

Remember to call setSourceModel afterwards.

Definition at line 29 of file krearrangecolumnsproxymodel.cpp.

KRearrangeColumnsProxyModel::~KRearrangeColumnsProxyModel ( )

Destructor.

Definition at line 35 of file krearrangecolumnsproxymodel.cpp.

Member Function Documentation

int KRearrangeColumnsProxyModel::columnCount ( const QModelIndex &  parent = QModelIndex()) const
overridevirtual
Reimplemented from superclass.

Reimplemented from QIdentityProxyModel.

Definition at line 44 of file krearrangecolumnsproxymodel.cpp.

QVariant KRearrangeColumnsProxyModel::headerData ( int  section,
Qt::Orientation  orientation,
int  role = Qt::DisplayRole 
) const
overridevirtual
Reimplemented from superclass.

Reimplemented from QIdentityProxyModel.

Definition at line 96 of file krearrangecolumnsproxymodel.cpp.

QModelIndex KRearrangeColumnsProxyModel::index ( int  row,
int  column,
const QModelIndex &  parent = QModelIndex() 
) const
overridevirtual
Reimplemented from superclass.

Reimplemented from QIdentityProxyModel.

Definition at line 67 of file krearrangecolumnsproxymodel.cpp.

QModelIndex KRearrangeColumnsProxyModel::mapFromSource ( const QModelIndex &  sourceIndex) const
overridevirtual
Reimplemented from superclass.

Reimplemented from QIdentityProxyModel.

Definition at line 114 of file krearrangecolumnsproxymodel.cpp.

QModelIndex KRearrangeColumnsProxyModel::mapToSource ( const QModelIndex &  proxyIndex) const
overridevirtual
Reimplemented from superclass.

Reimplemented from QIdentityProxyModel.

Definition at line 124 of file krearrangecolumnsproxymodel.cpp.

QModelIndex KRearrangeColumnsProxyModel::parent ( const QModelIndex &  child) const
overridevirtual
Reimplemented from superclass.

Reimplemented from QIdentityProxyModel.

Definition at line 85 of file krearrangecolumnsproxymodel.cpp.

int KRearrangeColumnsProxyModel::rowCount ( const QModelIndex &  parent = QModelIndex()) const
overridevirtual
Reimplemented from superclass.

Reimplemented from QIdentityProxyModel.

Definition at line 53 of file krearrangecolumnsproxymodel.cpp.

void KRearrangeColumnsProxyModel::setSourceColumns ( const QVector< int > &  columns)

Set the chosen source columns, in the desired order for the proxy columns columns[proxyColumn=0] is the source column to show in the first proxy column, etc.

Example: QVector<int>() << 2 << 1; This examples configures the proxy to hide column 0, show column 2 from the source model, then show column 1 from the source model.

Definition at line 39 of file krearrangecolumnsproxymodel.cpp.

QModelIndex KRearrangeColumnsProxyModel::sibling ( int  row,
int  column,
const QModelIndex &  idx 
) const
overridevirtual
Reimplemented from superclass.

Reimplemented from QIdentityProxyModel.

Definition at line 106 of file krearrangecolumnsproxymodel.cpp.


The documentation for this class was generated from the following files:
  • krearrangecolumnsproxymodel.h
  • krearrangecolumnsproxymodel.cpp
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