QgsRelationManager Class Reference

This class manages a set of relations between layers. More...

#include <qgsrelationmanager.h>

Inheritance diagram for QgsRelationManager:

Collaboration diagram for QgsRelationManager:

Signals
void	relationsLoaded ()

Public Member Functions
	QgsRelationManager (QgsProject *project)
void	setRelations (const QList< QgsRelation > &relations)
const QMap< QString, QgsRelation > &	relations () const
void	addRelation (const QgsRelation &relation)
void	removeRelation (const QString &name)
void	removeRelation (const QgsRelation &relation)
QgsRelation	relation (const QString &id) const
void	clear ()
QList< QgsRelation >	referencingRelations (QgsVectorLayer *layer=0, int fieldIdx=-2) const
QList< QgsRelation >	referencedRelations (QgsVectorLayer *layer=0) const

Private Slots
void	readProject (const QDomDocument &doc)
void	writeProject (QDomDocument &doc)
void	layersRemoved (const QStringList &layers)

Private Attributes
QMap< QString, QgsRelation >	mRelations
	The references. More...
QgsProject *	mProject

Detailed Description

This class manages a set of relations between layers.

Definition at line 32 of file qgsrelationmanager.h.

Constructor & Destructor Documentation

QgsRelationManager::QgsRelationManager ( QgsProject *  project )

explicit

Definition at line 24 of file qgsrelationmanager.cpp.

References QgsMapLayerRegistry::instance(), layersRemoved(), readProject(), and writeProject().

Member Function Documentation

void QgsRelationManager::addRelation

(

const QgsRelation &

relation

)

Definition at line 47 of file qgsrelationmanager.cpp.

References QgsProject::dirty(), QgsRelation::id(), QgsRelation::isValid(), mProject, mRelations, and relation().

Referenced by readProject(), and setRelations().

void QgsRelationManager::clear

(

)

Definition at line 72 of file qgsrelationmanager.cpp.

References mRelations.

Referenced by QgsProject::clear().

void QgsRelationManager::layersRemoved ( const QStringList &  layers )

privateslot

Definition at line 176 of file qgsrelationmanager.cpp.

References mRelations.

Referenced by QgsRelationManager().

void QgsRelationManager::readProject ( const QDomDocument &  doc )

privateslot

Definition at line 134 of file qgsrelationmanager.cpp.

References addRelation(), QgsRelation::createFromXML(), mRelations, QgsDebugMsg, and relationsLoaded().

Referenced by QgsRelationManager().

QList< QgsRelation > QgsRelationManager::referencedRelations

(

QgsVectorLayer *

layer = 0

)

const

Definition at line 114 of file qgsrelationmanager.cpp.

References mRelations, QgsRelation::referencedLayer(), and relations().

QList< QgsRelation > QgsRelationManager::referencingRelations	(	QgsVectorLayer *	layer = 0,
		int	fieldIdx = -2
	)		const

Definition at line 77 of file qgsrelationmanager.cpp.

References QgsVectorLayer::fieldNameIndex(), QgsRelation::fieldPairs(), mRelations, QgsRelation::FieldPair::referencingField(), QgsRelation::referencingLayer(), and relations().

Referenced by QgsVectorLayer::referencingRelations().

QgsRelation QgsRelationManager::relation

(

const QString &

id

)

const

Definition at line 67 of file qgsrelationmanager.cpp.

References mRelations.

Referenced by addRelation(), QgsAttributeForm::createWrappers(), QgsAttributeEditorRelation::init(), and writeProject().

const QMap< QString, QgsRelation > & QgsRelationManager::relations

(

)

const

Definition at line 42 of file qgsrelationmanager.cpp.

References mRelations.

Referenced by referencedRelations(), referencingRelations(), and QgsRelationManagerDialog::setLayers().

void QgsRelationManager::relationsLoaded ( )

signal

Referenced by readProject().

void QgsRelationManager::removeRelation

(

const QString &

name

)

Definition at line 57 of file qgsrelationmanager.cpp.

References mRelations.

void QgsRelationManager::removeRelation

(

const QgsRelation &

relation

)

Definition at line 62 of file qgsrelationmanager.cpp.

References QgsRelation::id(), and mRelations.

void QgsRelationManager::setRelations

(

const QList< QgsRelation > &

relations

)

Definition at line 33 of file qgsrelationmanager.cpp.

References addRelation(), and mRelations.

void QgsRelationManager::writeProject ( QDomDocument &  doc )

privateslot

Definition at line 157 of file qgsrelationmanager.cpp.

References mRelations, QgsDebugMsg, relation(), and QgsRelation::writeXML().

Referenced by QgsRelationManager().

Member Data Documentation

QgsProject* QgsRelationManager::mProject

private

Definition at line 62 of file qgsrelationmanager.h.

Referenced by addRelation().

QMap<QString, QgsRelation> QgsRelationManager::mRelations

private

The references.

Definition at line 60 of file qgsrelationmanager.h.

Referenced by addRelation(), clear(), layersRemoved(), readProject(), referencedRelations(), referencingRelations(), relation(), relations(), removeRelation(), setRelations(), and writeProject().

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

• /tmp/buildd/qgis-2.4.0+unstable1/src/core/qgsrelationmanager.h
• /tmp/buildd/qgis-2.4.0+unstable1/src/core/qgsrelationmanager.cpp