This class should be subclassed for every configurable editor widget type. More...

#include <qgseditorconfigwidget.h>

Inheritance diagram for QgsEditorConfigWidget:

[legend]

Signals
void	changed ()
	Emitted when the configuration of the widget is changed. More...

Public Member Functions
	QgsEditorConfigWidget (QgsVectorLayer vl, int fieldIdx, QWidget parent)
	Create a new configuration widget. More...

virtual QVariantMap	config ()=0
	Create a configuration from the current GUI state. More...

QgsExpressionContext	createExpressionContext () const override
	This method needs to be reimplemented in all classes which implement this interface and return an expression context. More...

int	field ()
	Returns the field for which this configuration widget applies. More...

QgsVectorLayer *	layer ()
	Returns the layer for which this configuration widget applies. More...

virtual void	setConfig (const QVariantMap &config)=0
	Update the configuration widget to represent the given configuration. More...

Public Member Functions inherited from QgsExpressionContextGenerator
virtual	~QgsExpressionContextGenerator ()=default

Protected Member Functions
void	initializeDataDefinedButton (QgsPropertyOverrideButton *button, QgsWidgetWrapper::Property key)
	Registers a property override button, setting up its initial value, connections and description. More...

void	updateDataDefinedButton (QgsPropertyOverrideButton *button)
	Updates a specific property override button to reflect the widgets's current properties. More...

void	updateDataDefinedButtons ()
	Updates all property override buttons to reflect the widgets's current properties. More...

Protected Attributes
QgsPropertyCollection	mPropertyCollection
	Temporary property collection for config widgets. More...

Detailed Description

This class should be subclassed for every configurable editor widget type.

It implements the GUI configuration widget and transforms this to/from a configuration.

It will only be instantiated by {

See also: QgsEditorWidgetFactory}

Definition at line 38 of file qgseditorconfigwidget.h.

Constructor & Destructor Documentation

QgsEditorConfigWidget::QgsEditorConfigWidget	(	QgsVectorLayer *	vl,
		int	fieldIdx,
		QWidget *	parent
	)

explicit

Create a new configuration widget.

Parameters

vl	The layer for which the configuration dialog will be created
fieldIdx	The index of the field on the layer for which this dialog will be created
parent	A parent widget

Definition at line 19 of file qgseditorconfigwidget.cpp.

Member Function Documentation

void QgsEditorConfigWidget::changed ( )

signal

Emitted when the configuration of the widget is changed.

Since: QGIS 3.0

virtual QVariantMap QgsEditorConfigWidget::config ( )

pure virtual

Create a configuration from the current GUI state.

Returns: A widget configuration

Implemented in QgsValueRelationConfigDlg, QgsExternalResourceConfigDlg, QgsDummyConfigDlg, QgsTextEditConfigDlg, QgsUniqueValuesConfigDlg, QgsCheckBoxConfigDlg, QgsValueMapConfigDlg, QgsRelationReferenceConfigDlg, QgsRangeConfigDlg, and QgsDateTimeEditConfig.

QgsExpressionContext QgsEditorConfigWidget::createExpressionContext ( ) const

overridevirtual

This method needs to be reimplemented in all classes which implement this interface and return an expression context.

Since: QGIS 3.0

Implements QgsExpressionContextGenerator.

Definition at line 37 of file qgseditorconfigwidget.cpp.

int QgsEditorConfigWidget::field ( )

Returns the field for which this configuration widget applies.

Returns: The field index

Definition at line 27 of file qgseditorconfigwidget.cpp.

void QgsEditorConfigWidget::initializeDataDefinedButton	(	QgsPropertyOverrideButton *	button,
		QgsWidgetWrapper::Property	key
	)

protected

Registers a property override button, setting up its initial value, connections and description.

Parameters

button	button to register
key	corresponding data defined property key

Definition at line 42 of file qgseditorconfigwidget.cpp.

QgsVectorLayer * QgsEditorConfigWidget::layer ( )

Returns the layer for which this configuration widget applies.

Returns: The layer

Definition at line 32 of file qgseditorconfigwidget.cpp.

virtual void QgsEditorConfigWidget::setConfig ( const QVariantMap & config )

pure virtual

Update the configuration widget to represent the given configuration.

Parameters

config The configuration which should be represented by this widget

Implemented in QgsValueRelationConfigDlg, QgsExternalResourceConfigDlg, QgsDummyConfigDlg, QgsTextEditConfigDlg, QgsUniqueValuesConfigDlg, QgsCheckBoxConfigDlg, QgsValueMapConfigDlg, QgsRelationReferenceConfigDlg, QgsRangeConfigDlg, and QgsDateTimeEditConfig.

void QgsEditorConfigWidget::updateDataDefinedButton ( QgsPropertyOverrideButton * button )

protected

Updates a specific property override button to reflect the widgets's current properties.

Definition at line 59 of file qgseditorconfigwidget.cpp.

void QgsEditorConfigWidget::updateDataDefinedButtons ( )

protected

Updates all property override buttons to reflect the widgets's current properties.

Definition at line 51 of file qgseditorconfigwidget.cpp.

Member Data Documentation

QgsPropertyCollection QgsEditorConfigWidget::mPropertyCollection

protected

Temporary property collection for config widgets.

Definition at line 110 of file qgseditorconfigwidget.h.

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

/build/qgis-3.4.15+24xenial/src/gui/editorwidgets/core/qgseditorconfigwidget.h
/build/qgis-3.4.15+24xenial/src/gui/editorwidgets/core/qgseditorconfigwidget.cpp

Signals

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation