Manages joined fields for a vector layer. More...

#include <qgsvectorlayerjoinbuffer.h>

Inheritance diagram for QgsVectorLayerJoinBuffer:

Signals
void	joinedFieldsChanged ()
	Emitted whenever the list of joined fields changes (e.g. More...

Public Member Functions
	QgsVectorLayerJoinBuffer (QgsVectorLayer *layer=0)

	~QgsVectorLayerJoinBuffer ()

bool	addJoin (const QgsVectorJoinInfo &joinInfo)
	Joins another vector layer to this layer. More...

QgsVectorLayerJoinBuffer *	clone () const
	Create a copy of the join buffer. More...

bool	containsJoins () const
	Quick way to test if there is any join at all. More...

void	createJoinCaches ()
	Calls cacheJoinLayer() for all vector joins. More...

int	joinedFieldsOffset (const QgsVectorJoinInfo *info, const QgsFields &fields)
	Find out what is the first index of the join within fields. More...

const QgsVectorJoinInfo *	joinForFieldIndex (int index, const QgsFields &fields, int &sourceFieldIndex) const
	Finds the vector join for a layer field index. More...

void	readXml (const QDomNode &layer_node)
	Reads joins from project file. More...

void	removeJoin (const QString &joinLayerId)
	Removes a vector layer join. More...

void	updateFields (QgsFields &fields)
	Updates field map with joined attributes. More...

const QgsVectorJoinList &	vectorJoins () const

void	writeXml (QDomNode &layer_node, QDomDocument &document) const
	Saves mVectorJoins to xml under the layer node. More...

Public Member Functions inherited from QObject
	QObject (QObject *parent)

	QObject (QObject parent, const char name)

virtual	~QObject ()

bool	blockSignals (bool block)

QObject *	child (const char objName, const char inheritsClass, bool recursiveSearch) const

const QObjectList &	children () const

const char *	className () const

bool	connect (const QObject sender, const char signal, const char *method, Qt::ConnectionType type) const

void	deleteLater ()

void	destroyed (QObject *obj)

bool	disconnect (const QObject receiver, const char method)

bool	disconnect (const char signal, const QObject receiver, const char *method)

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) const

QList< T >	findChildren (const QRegExp &regExp) const

QList< T >	findChildren (const QString &name) const

bool	inherits (const char *className) const

void	insertChild (QObject *object)

void	installEventFilter (QObject *filterObj)

bool	isA (const char *className) const

bool	isWidgetType () const

void	killTimer (int id)

virtual const QMetaObject *	metaObject () const

void	moveToThread (QThread *targetThread)

const char *	name () const

const char *	name (const char *defaultName) const

QString	objectName () const

QObject *	parent () const

QVariant	property (const char *name) const

void	removeChild (QObject *object)

void	removeEventFilter (QObject *obj)

void	setName (const char *name)

void	setObjectName (const QString &name)

void	setParent (QObject *parent)

bool	setProperty (const char *name, const QVariant &value)

bool	signalsBlocked () const

int	startTimer (int interval)

QThread *	thread () const

Static Public Member Functions
static QVector< int >	joinSubsetIndices (QgsVectorLayer *joinLayer, const QStringList &joinFieldsSubset)
	Return a vector of indices for use in join based on field names from the layer. More...

Static Public Member Functions inherited from QObject
bool	connect (const QObject sender, const char signal, const QObject receiver, const char method, Qt::ConnectionType type)

bool	connect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &method, Qt::ConnectionType type)

bool	disconnect (const QObject sender, const char signal, const QObject receiver, const char 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)

Additional Inherited Members
Protected Member Functions inherited from QObject
bool	checkConnectArgs (const char signal, const QObject object, const char *method)

virtual void	childEvent (QChildEvent *event)

virtual void	connectNotify (const char *signal)

virtual void	customEvent (QEvent *event)

virtual void	disconnectNotify (const char *signal)

int	receivers (const char *signal) const

QObject *	sender () const

int	senderSignalIndex () const

virtual void	timerEvent (QTimerEvent *event)

Static Protected Member Functions inherited from QObject
QByteArray	normalizeSignalSlot (const char *signalSlot)

Properties inherited from QObject
	objectName