20 : QDialog( parent ), mRecentKey( key )
24 QPushButton* okButton = buttonBox->button( QDialogButtonBox::Ok );
25 connect( builder, SIGNAL( expressionParsed(
bool ) ), okButton, SLOT( setEnabled(
bool ) ) );
27 builder->setLayer( layer );
28 builder->setExpressionText( startText );
29 builder->loadFieldNames();
33 restoreGeometry( settings.value(
"/Windows/ExpressionBuilderDialog/geometry" ).toByteArray() );
43 builder->setExpressionText( text );
48 return builder->expressionText();
56 settings.setValue(
"/Windows/ExpressionBuilderDialog/geometry", saveGeometry() );
68 builder->setGeomCalculator( da );
void setExpressionText(const QString &text)
virtual void done(int r)
Is called when the dialog get accepted or rejected Used to save geometry.
QgsExpressionBuilderWidget * expressionBuilder()
The builder widget that is used by the dialog.
void setGeomCalculator(const QgsDistanceArea &da)
Sets geometry calculator used in distance/area calculations.
QgsExpressionBuilderDialog(QgsVectorLayer *layer, QString startText=QString(), QWidget *parent=NULL, QString key="generic")
General purpose distance and area calculator.
Represents a vector layer which manages a vector based data sets.