QgsExpressionBuilderDialog Class Reference

A generic dialog for building expression strings. More...

#include <qgsexpressionbuilderdialog.h>

Inheritance diagram for QgsExpressionBuilderDialog:

Collaboration diagram for QgsExpressionBuilderDialog:

Public Member Functions
	QgsExpressionBuilderDialog (QgsVectorLayer *layer, QString startText=QString(), QWidget *parent=NULL, QString key="generic")
QgsExpressionBuilderWidget *	expressionBuilder ()
	The builder widget that is used by the dialog. More...
void	setExpressionText (const QString &text)
QString	expressionText ()
void	setGeomCalculator (const QgsDistanceArea &da)
	Sets geometry calculator used in distance/area calculations. More...

Protected Member Functions
virtual void	done (int r)
	Is called when the dialog get accepted or rejected Used to save geometry. More...
virtual void	accept ()

Private Attributes
QString	mRecentKey

Detailed Description

A generic dialog for building expression strings.

Remarks

This class also shows an example on how to use QgsExpressionBuilderWidget

Definition at line 26 of file qgsexpressionbuilderdialog.h.

Constructor & Destructor Documentation

QgsExpressionBuilderDialog::QgsExpressionBuilderDialog	(	QgsVectorLayer *	layer,
		QString	startText = QString(),
		QWidget *	parent = NULL,
		QString	key = "generic"
	)

Definition at line 19 of file qgsexpressionbuilderdialog.cpp.

References mRecentKey.

Member Function Documentation

void QgsExpressionBuilderDialog::accept ( )

protectedvirtual

Definition at line 59 of file qgsexpressionbuilderdialog.cpp.

References mRecentKey.

void QgsExpressionBuilderDialog::done ( int  r )

protectedvirtual

Is called when the dialog get accepted or rejected Used to save geometry.

Parameters

r	result value (unused)

Definition at line 51 of file qgsexpressionbuilderdialog.cpp.

QgsExpressionBuilderWidget * QgsExpressionBuilderDialog::expressionBuilder

(

)

The builder widget that is used by the dialog.

Definition at line 36 of file qgsexpressionbuilderdialog.cpp.

QString QgsExpressionBuilderDialog::expressionText

(

)

Definition at line 46 of file qgsexpressionbuilderdialog.cpp.

Referenced by QgsFieldExpressionWidget::editExpression(), and QgsDataDefinedButton::showExpressionDialog().

void QgsExpressionBuilderDialog::setExpressionText

(

const QString &

text

)

Definition at line 41 of file qgsexpressionbuilderdialog.cpp.

Referenced by QgsDualView::previewExpressionBuilder().

void QgsExpressionBuilderDialog::setGeomCalculator

(

const QgsDistanceArea &

da

)

Sets geometry calculator used in distance/area calculations.

Note

added in version 2.0

Definition at line 65 of file qgsexpressionbuilderdialog.cpp.

Referenced by QgsFieldExpressionWidget::editExpression().

Member Data Documentation

QString QgsExpressionBuilderDialog::mRecentKey

private

Definition at line 55 of file qgsexpressionbuilderdialog.h.

Referenced by accept(), and QgsExpressionBuilderDialog().

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

• /tmp/buildd/qgis-2.4.0+unstable1/src/gui/qgsexpressionbuilderdialog.h
• /tmp/buildd/qgis-2.4.0+unstable1/src/gui/qgsexpressionbuilderdialog.cpp