QGIS API Documentation  3.10.0-A Coruña (6c816b4204)
Public Types | Public Slots | Signals | Public Member Functions | Protected Member Functions | Properties | Friends | List of all members
QgsRelationReferenceWidget Class Reference

#include <qgsrelationreferencewidget.h>

Inheritance diagram for QgsRelationReferenceWidget:
Inheritance graph
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Public Types

enum  CanvasExtent { Fixed, Pan, Scale }
 

Public Slots

void deleteForeignKeys ()
 unset the currently related feature More...
 
void mapIdentification ()
 activate the map tool to select a new related feature on the map More...
 
void openForm ()
 open the form of the related feature in a new dialog More...
 

Signals

Q_DECL_DEPRECATED void foreignKeyChanged (const QVariant &)
 Emitted when the foreign key changed. More...
 
void foreignKeysChanged (const QVariantList &)
 Emitted when the foreign keys changed. More...
 

Public Member Functions

 QgsRelationReferenceWidget (QWidget *parent)
 
 ~QgsRelationReferenceWidget () override
 
bool allowAddFeatures () const
 Determines if a button for adding new features should be shown. More...
 
bool allowMapIdentification ()
 determines if the widget offers the possibility to select the related feature on the map (using a dedicated map tool) More...
 
bool chainFilters () const
 Determines if the filters are chained. More...
 
bool embedForm ()
 determines if the form of the related feature will be shown More...
 
Q_DECL_DEPRECATED QVariant foreignKey () const
 returns the related feature foreign key More...
 
QVariantList foreignKeys () const
 returns the related feature foreign key More...
 
bool openFormButtonVisible ()
 determines the open form button is visible in the widget More...
 
bool orderByValue ()
 If the widget will order the combobox entries by value. More...
 
bool readOnlySelector ()
 determines if the foreign key is shown in a combox box or a read-only line edit More...
 
QgsFeature referencedFeature () const
 Returns the related feature (from the referenced layer) if no feature is related, it returns an invalid feature. More...
 
QgsRelation relation () const
 Returns the current relation, which might be invalid. More...
 
void setAllowAddFeatures (bool allowAddFeatures)
 Determines if a button for adding new features should be shown. More...
 
void setAllowMapIdentification (bool allowMapIdentification)
 
void setChainFilters (bool chainFilters)
 Set if filters are chained. More...
 
void setEditorContext (const QgsAttributeEditorContext &context, QgsMapCanvas *canvas, QgsMessageBar *messageBar)
 
void setEmbedForm (bool display)
 
void setFilterFields (const QStringList &filterFields)
 Sets the fields for which filter comboboxes will be created. More...
 
Q_DECL_DEPRECATED void setForeignKey (const QVariant &value)
 this sets the related feature using from the foreign key More...
 
void setForeignKeys (const QVariantList &values)
 Sets the related feature using the foreign keys. More...
 
void setFormFeature (const QgsFeature &formFeature)
 Set the current form feature (from the referencing layer) More...
 
void setOpenFormButtonVisible (bool openFormButtonVisible)
 
void setOrderByValue (bool orderByValue)
 Sets if the widget will order the combobox entries by value. More...
 
void setReadOnlySelector (bool readOnly)
 
void setRelation (const QgsRelation &relation, bool allowNullValue)
 
void setRelationEditable (bool editable)
 
void showIndeterminateState ()
 Sets the widget to display in an indeterminate "mixed value" state. More...
 

Protected Member Functions

void init ()
 
void showEvent (QShowEvent *e) override
 

Properties

bool openFormButtonVisible
 

Friends

class TestQgsRelationReferenceWidget
 

Detailed Description

Definition at line 57 of file qgsrelationreferencewidget.h.

Member Enumeration Documentation

◆ CanvasExtent

Enumerator
Fixed 
Pan 
Scale 

Definition at line 74 of file qgsrelationreferencewidget.h.

Constructor & Destructor Documentation

◆ QgsRelationReferenceWidget()

QgsRelationReferenceWidget::QgsRelationReferenceWidget ( QWidget *  parent)
explicit

Definition at line 63 of file qgsrelationreferencewidget.cpp.

◆ ~QgsRelationReferenceWidget()

QgsRelationReferenceWidget::~QgsRelationReferenceWidget ( )
override

Definition at line 169 of file qgsrelationreferencewidget.cpp.

Member Function Documentation

◆ allowAddFeatures()

bool QgsRelationReferenceWidget::allowAddFeatures ( ) const

Determines if a button for adding new features should be shown.

Since
QGIS 2.16

Definition at line 758 of file qgsrelationreferencewidget.cpp.

◆ allowMapIdentification()

bool QgsRelationReferenceWidget::allowMapIdentification ( )
inline

determines if the widget offers the possibility to select the related feature on the map (using a dedicated map tool)

Definition at line 126 of file qgsrelationreferencewidget.h.

◆ chainFilters()

bool QgsRelationReferenceWidget::chainFilters ( ) const
inline

Determines if the filters are chained.

Returns
true if filters are chained

Definition at line 145 of file qgsrelationreferencewidget.h.

◆ deleteForeignKeys

void QgsRelationReferenceWidget::deleteForeignKeys ( )
slot

unset the currently related feature

Definition at line 358 of file qgsrelationreferencewidget.cpp.

◆ embedForm()

bool QgsRelationReferenceWidget::embedForm ( )
inline

determines if the form of the related feature will be shown

Definition at line 118 of file qgsrelationreferencewidget.h.

◆ foreignKey()

QVariant QgsRelationReferenceWidget::foreignKey ( ) const

returns the related feature foreign key

Deprecated:
since QGIS 3.10

Definition at line 430 of file qgsrelationreferencewidget.cpp.

◆ foreignKeyChanged

Q_DECL_DEPRECATED void QgsRelationReferenceWidget::foreignKeyChanged ( const QVariant &  )
signal

Emitted when the foreign key changed.

Deprecated:
since QGIS 3.10

◆ foreignKeys()

QVariantList QgsRelationReferenceWidget::foreignKeys ( ) const

returns the related feature foreign key

Returns the related feature foreign keys

Since
QGIS 3.10

Definition at line 439 of file qgsrelationreferencewidget.cpp.

◆ foreignKeysChanged

void QgsRelationReferenceWidget::foreignKeysChanged ( const QVariantList &  )
signal

Emitted when the foreign keys changed.

Since
QGIS 3.10

◆ init()

void QgsRelationReferenceWidget::init ( )
protected

Definition at line 521 of file qgsrelationreferencewidget.cpp.

◆ mapIdentification

void QgsRelationReferenceWidget::mapIdentification ( )
slot

activate the map tool to select a new related feature on the map

Definition at line 713 of file qgsrelationreferencewidget.cpp.

◆ openForm

void QgsRelationReferenceWidget::openForm ( )
slot

open the form of the related feature in a new dialog

Definition at line 638 of file qgsrelationreferencewidget.cpp.

◆ openFormButtonVisible()

bool QgsRelationReferenceWidget::openFormButtonVisible ( )
inline

determines the open form button is visible in the widget

Definition at line 137 of file qgsrelationreferencewidget.h.

◆ orderByValue()

bool QgsRelationReferenceWidget::orderByValue ( )
inline

If the widget will order the combobox entries by value.

Definition at line 130 of file qgsrelationreferencewidget.h.

◆ readOnlySelector()

bool QgsRelationReferenceWidget::readOnlySelector ( )
inline

determines if the foreign key is shown in a combox box or a read-only line edit

Definition at line 122 of file qgsrelationreferencewidget.h.

◆ referencedFeature()

QgsFeature QgsRelationReferenceWidget::referencedFeature ( ) const

Returns the related feature (from the referenced layer) if no feature is related, it returns an invalid feature.

Definition at line 397 of file qgsrelationreferencewidget.cpp.

◆ relation()

QgsRelation QgsRelationReferenceWidget::relation ( ) const

Returns the current relation, which might be invalid.

Since
QGIS 3.10

Definition at line 769 of file qgsrelationreferencewidget.cpp.

◆ setAllowAddFeatures()

void QgsRelationReferenceWidget::setAllowAddFeatures ( bool  allowAddFeatures)

Determines if a button for adding new features should be shown.

Since
QGIS 2.16

Definition at line 763 of file qgsrelationreferencewidget.cpp.

◆ setAllowMapIdentification()

void QgsRelationReferenceWidget::setAllowMapIdentification ( bool  allowMapIdentification)

Definition at line 484 of file qgsrelationreferencewidget.cpp.

◆ setChainFilters()

void QgsRelationReferenceWidget::setChainFilters ( bool  chainFilters)

Set if filters are chained.

Chained filters restrict the option of subsequent filters based on the selection of a previous filter.

Parameters
chainFiltersIf chaining should be enabled

Definition at line 507 of file qgsrelationreferencewidget.cpp.

◆ setEditorContext()

void QgsRelationReferenceWidget::setEditorContext ( const QgsAttributeEditorContext context,
QgsMapCanvas canvas,
QgsMessageBar messageBar 
)

Definition at line 451 of file qgsrelationreferencewidget.cpp.

◆ setEmbedForm()

void QgsRelationReferenceWidget::setEmbedForm ( bool  display)

Definition at line 464 of file qgsrelationreferencewidget.cpp.

◆ setFilterFields()

void QgsRelationReferenceWidget::setFilterFields ( const QStringList &  filterFields)

Sets the fields for which filter comboboxes will be created.

Definition at line 496 of file qgsrelationreferencewidget.cpp.

◆ setForeignKey()

void QgsRelationReferenceWidget::setForeignKey ( const QVariant &  value)

this sets the related feature using from the foreign key

Deprecated:
since QGIS 3.10 use setForeignKeys

Definition at line 269 of file qgsrelationreferencewidget.cpp.

◆ setForeignKeys()

void QgsRelationReferenceWidget::setForeignKeys ( const QVariantList &  values)

Sets the related feature using the foreign keys.

Since
QGIS 3.10

Definition at line 274 of file qgsrelationreferencewidget.cpp.

◆ setFormFeature()

void QgsRelationReferenceWidget::setFormFeature ( const QgsFeature formFeature)

Set the current form feature (from the referencing layer)

Since
QGIS 3.10

Definition at line 1089 of file qgsrelationreferencewidget.cpp.

◆ setOpenFormButtonVisible()

void QgsRelationReferenceWidget::setOpenFormButtonVisible ( bool  openFormButtonVisible)

Definition at line 501 of file qgsrelationreferencewidget.cpp.

◆ setOrderByValue()

void QgsRelationReferenceWidget::setOrderByValue ( bool  orderByValue)

Sets if the widget will order the combobox entries by value.

Definition at line 491 of file qgsrelationreferencewidget.cpp.

◆ setReadOnlySelector()

void QgsRelationReferenceWidget::setReadOnlySelector ( bool  readOnly)

Definition at line 476 of file qgsrelationreferencewidget.cpp.

◆ setRelation()

void QgsRelationReferenceWidget::setRelation ( const QgsRelation relation,
bool  allowNullValue 
)

Definition at line 207 of file qgsrelationreferencewidget.cpp.

◆ setRelationEditable()

void QgsRelationReferenceWidget::setRelationEditable ( bool  editable)

Definition at line 254 of file qgsrelationreferencewidget.cpp.

◆ showEvent()

void QgsRelationReferenceWidget::showEvent ( QShowEvent *  e)
overrideprotected

Definition at line 512 of file qgsrelationreferencewidget.cpp.

◆ showIndeterminateState()

void QgsRelationReferenceWidget::showIndeterminateState ( )

Sets the widget to display in an indeterminate "mixed value" state.

Since
QGIS 2.16

Definition at line 416 of file qgsrelationreferencewidget.cpp.

Friends And Related Function Documentation

◆ TestQgsRelationReferenceWidget

friend class TestQgsRelationReferenceWidget
friend

Definition at line 304 of file qgsrelationreferencewidget.h.

Property Documentation

◆ openFormButtonVisible

bool QgsRelationReferenceWidget::openFormButtonVisible
readwrite

Definition at line 70 of file qgsrelationreferencewidget.h.


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