44 const QVariant defaultValue = QVariant(
"" ) );
70 virtual bool isValid()
const;
76 QString toString(
bool defaultValue =
false )
const;
84 QStringList toStringList(
char delimiter =
',',
bool skipEmptyParts =
true )
const;
92 QList<int> toIntList(
bool &ok,
char delimiter =
',' )
const;
100 QList<double> toDoubleList(
bool &ok,
char delimiter =
',' )
const;
108 QList<QColor> toColorList(
bool &ok,
char delimiter =
',' )
const;
116 QList<QgsGeometry> toGeomList(
bool &ok,
char delimiter =
',' )
const;
123 QStringList toOgcFilterList()
const;
130 QStringList toExpressionList()
const;
144 int toInt(
bool &ok )
const;
151 double toDouble(
bool &ok )
const;
164 QColor toColor(
bool &ok )
const;
172 QUrl toUrl(
bool &ok )
const;
180 QString loadUrl(
bool &ok )
const;
187 static void raiseError(
const QString &msg );