QgsExpressionBuilderDialog Class Reference

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

#include <qgsexpressionbuilderdialog.h>

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

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

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
	)

Definition at line 19 of file qgsexpressionbuilderdialog.cpp.

Member Function Documentation

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 50 of file qgsexpressionbuilderdialog.cpp.

QgsExpressionBuilderWidget * QgsExpressionBuilderDialog::expressionBuilder

(

)

The builder widget that is used by the dialog.

Definition at line 35 of file qgsexpressionbuilderdialog.cpp.

QString QgsExpressionBuilderDialog::expressionText

(

)

Definition at line 45 of file qgsexpressionbuilderdialog.cpp.

Referenced by QgsDataDefinedButton::showExpressionDialog().

void QgsExpressionBuilderDialog::setExpressionText

(

const QString &

text

)

Definition at line 40 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 58 of file qgsexpressionbuilderdialog.cpp.

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

• /tmp/buildd/qgis-2.0.1/src/gui/qgsexpressionbuilderdialog.h
• /tmp/buildd/qgis-2.0.1/src/gui/qgsexpressionbuilderdialog.cpp