QgsExpressionBuilderDialog Class Reference

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

#include <qgsexpressionbuilderdialog.h>

List of all members.

Public Member Functions
	QgsExpressionBuilderDialog (QgsVectorLayer *layer, QString startText=QString(), QWidget *parent=NULL)
QgsExpressionBuilderWidget *	expressionBuilder ()
	The builder widget that is used by the dialog.
QString	expressionText ()
void	setExpressionText (const QString &text)
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

)

[protected, virtual]

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 QgsDataDefinedSymbolDialog::expressionButtonClicked(), and 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.

---

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

• src/gui/qgsexpressionbuilderdialog.h
• src/gui/qgsexpressionbuilderdialog.cpp