QgsDualView Class Reference

This widget is used to show the attributes of a set of features of a QgsVectorLayer. More...

#include <qgsdualview.h>

Public Types
enum	ViewMode { AttributeTable = 0, AttributeEditor = 1 }
	The view modes, in which this widget can present information. More...

Public Slots
void	setCurrentEditSelection (const QgsFeatureIds &fids)
	Set the current edit selection in the AttributeEditor mode.
bool	saveEditChanges ()
	saveEditChanges

Signals
void	displayExpressionChanged (const QString expression)
	Is emitted, whenever the display expression is successfully changed.
void	filterChanged ()
	Is emitted, whenever the filter changes.

Public Member Functions
	QgsDualView (QWidget *parent=0)
	Constructor.
void	init (QgsVectorLayer *layer, QgsMapCanvas *mapCanvas, const QgsFeatureRequest &request=QgsFeatureRequest(), QgsAttributeEditorContext context=QgsAttributeEditorContext())
	Has to be called to initialize the dual view.
void	setView (ViewMode view)
	Change the current view mode.
void	setFilterMode (QgsAttributeTableFilterModel::FilterMode filterMode)
	Set the filter mode.
QgsAttributeTableFilterModel::FilterMode	filterMode ()
void	setSelectedOnTop (bool selectedOnTop)
	Toggle the selectedOnTop flag.
int	featureCount ()
	Returns the number of features on the layer.
int	filteredFeatureCount ()
	Returns the number of features which are currently visible, according to the filter restrictions.
void	setFilteredFeatures (QgsFeatureIds filteredFeatures)
	Set a list of currently visible features.
QgsFeatureIds	filteredFeatures ()
QgsAttributeTableModel *	masterModel () const
	Returns the model which has the information about all features (not only filtered)
void	setRequest (const QgsFeatureRequest &request)
void	setFeatureSelectionManager (QgsIFeatureSelectionManager *featureSelectionManager)

Protected Member Functions
void	columnBoxInit ()
	Initializes widgets which depend on the attributes of this layer.

Friends
class	TestQgsDualView

Detailed Description

This widget is used to show the attributes of a set of features of a QgsVectorLayer.

The attributes can be edited. It supports two different layouts: the table layout, in which the attributes for the features are shown in a table and the editor layout, where the features are shown as a selectable list and the attributes for the currently selected feature are shown in a form.

Member Enumeration Documentation

enum QgsDualView::ViewMode

The view modes, in which this widget can present information.

Relates to the QStackedWidget stacks.

Enumerator:

AttributeTable	Shows the features and attributes in a table layout.
AttributeEditor	Show a list of the features, where one can be chosen and the according attribute dialog will be presented in the neighbouring frame.

Constructor & Destructor Documentation

QgsDualView::QgsDualView ( QWidget *  parent = 0 )

explicit

Constructor.

Parameters

parent

The parent widget

Member Function Documentation

void QgsDualView::columnBoxInit ( )

protected

Initializes widgets which depend on the attributes of this layer.

void QgsDualView::displayExpressionChanged ( const QString  expression )

signal

Is emitted, whenever the display expression is successfully changed.

Parameters

expression

The expression that was applied

int QgsDualView::featureCount

(

)

Returns the number of features on the layer.

Returns

Number of features

void QgsDualView::filterChanged ( )

signal

Is emitted, whenever the filter changes.

int QgsDualView::filteredFeatureCount

(

)

Returns the number of features which are currently visible, according to the filter restrictions.

Returns

Number of features

QgsFeatureIds QgsDualView::filteredFeatures ( )

inline

QgsAttributeTableFilterModel::FilterMode QgsDualView::filterMode ( )

inline

void QgsDualView::init	(	QgsVectorLayer *	layer,
		QgsMapCanvas *	mapCanvas,
		const QgsFeatureRequest &	request = QgsFeatureRequest(),
		QgsAttributeEditorContext	context = QgsAttributeEditorContext()
	)

Has to be called to initialize the dual view.

Parameters

layer	The layer which should be used to fetch features
mapCanvas	The mapCanvas (used for the FilterMode QgsAttributeTableFilterModel::ShowVisible
request	Use a modified request to limit the shown features
context	The context in which this view is shown

QgsAttributeTableModel* QgsDualView::masterModel ( ) const

inline

Returns the model which has the information about all features (not only filtered)

Returns

The master model

bool QgsDualView::saveEditChanges ( )

slot

saveEditChanges

Returns

true if the saving was ok. false is possible due to connected validation logic.

void QgsDualView::setCurrentEditSelection ( const QgsFeatureIds &  fids )

slot

Set the current edit selection in the AttributeEditor mode.

Parameters

fids	A list of edited features (Currently only one at a time is supported)

void QgsDualView::setFeatureSelectionManager

(

QgsIFeatureSelectionManager *

featureSelectionManager

)

void QgsDualView::setFilteredFeatures

(

QgsFeatureIds

filteredFeatures

)

Set a list of currently visible features.

Parameters

filteredFeatures

A list of feature ids

void QgsDualView::setFilterMode

(

QgsAttributeTableFilterModel::FilterMode

filterMode

)

Set the filter mode.

Parameters

filterMode

void QgsDualView::setRequest

(

const QgsFeatureRequest &

request

)

void QgsDualView::setSelectedOnTop

(

bool

selectedOnTop

)

Toggle the selectedOnTop flag.

If enabled, selected features will be moved to top.

Parameters

selectedOnTop

True: Show selected features on top. False: Use defined sorting column.

void QgsDualView::setView

(

QgsDualView::ViewMode

view

)

Change the current view mode.

Parameters

view	The view mode to set

Friends And Related Function Documentation

friend class TestQgsDualView

friend

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

• /tmp/buildd/qgis-2.6.0+wheezy1/src/gui/attributetable/qgsdualview.h
• /tmp/buildd/qgis-2.6.0+wheezy1/src/gui/attributetable/qgsdualview.cpp