QgsExpressionSelectionDialog Class Reference

This class offers a dialog to change feature selections. More...

#include <qgsexpressionselectiondialog.h>

Public Slots
void	on_mActionSelect_triggered ()
void	on_mActionAddToSelection_triggered ()
void	on_mActionRemoveFromSelection_triggered ()
void	on_mActionSelectInstersect_triggered ()
void	on_mPbnClose_clicked ()

Public Member Functions
	QgsExpressionSelectionDialog (QgsVectorLayer *layer, QString startText=QString(), QWidget *parent=0)
	Creates a new selection dialog.
QgsExpressionBuilderWidget *	expressionBuilder ()
	The builder widget that is used by the dialog.
void	setExpressionText (const QString &text)
	Sets the current expression text.
QString	expressionText ()
	Returns the current expression text.
void	setGeomCalculator (const QgsDistanceArea &da)
	*Sets geometry calculator used in distance/area calculations.

Protected Member Functions
virtual void	closeEvent (QCloseEvent *closeEvent)
	Implementation for closeEvent Saves the window geometry.
virtual void	done (int r)
	Implementation for done (default behavior when pressing esc) Calls close, so the window geometry gets saved and the object deleted.

Detailed Description

This class offers a dialog to change feature selections.

To do so, a QgsExpressionBuilderWidget is shown in a dialog. It offers the possibilities to create a new selection, add to the current selection remove from the current selection or select within the current selection.

Constructor & Destructor Documentation

QgsExpressionSelectionDialog::QgsExpressionSelectionDialog	(	QgsVectorLayer *	layer,
		QString	startText = QString(),
		QWidget *	parent = 0
	)

Creates a new selection dialog.

Parameters

layer	The layer on which the selection is to be performed.
startText	A default expression text to be applied (Defaults to empty)
parent	parent object (owner)

Member Function Documentation

void QgsExpressionSelectionDialog::closeEvent ( QCloseEvent *  closeEvent )

protectedvirtual

Implementation for closeEvent Saves the window geometry.

Parameters

closeEvent

Event object. Unused.

void QgsExpressionSelectionDialog::done ( int  r )

protectedvirtual

Implementation for done (default behavior when pressing esc) Calls close, so the window geometry gets saved and the object deleted.

Parameters

r	Result value. Unused.

QgsExpressionBuilderWidget * QgsExpressionSelectionDialog::expressionBuilder

(

)

The builder widget that is used by the dialog.

Returns

The builder widget that is used by the dialog

QString QgsExpressionSelectionDialog::expressionText

(

)

Returns the current expression text.

Returns

The expression text

void QgsExpressionSelectionDialog::on_mActionAddToSelection_triggered ( )

slot

void QgsExpressionSelectionDialog::on_mActionRemoveFromSelection_triggered ( )

slot

void QgsExpressionSelectionDialog::on_mActionSelect_triggered ( )

slot

void QgsExpressionSelectionDialog::on_mActionSelectInstersect_triggered ( )

slot

void QgsExpressionSelectionDialog::on_mPbnClose_clicked ( )

slot

void QgsExpressionSelectionDialog::setExpressionText

(

const QString &

text

)

Sets the current expression text.

Parameters

text	the expression text to set

void QgsExpressionSelectionDialog::setGeomCalculator

(

const QgsDistanceArea &

da

)

*Sets geometry calculator used in distance/area calculations.

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

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