44 const QVariant defaultValue = QVariant(
"" ) );
66 virtual bool isValid()
const;
72 QString toString(
bool defaultValue =
false )
const;
80 QStringList toStringList(
char delimiter =
',',
bool skipEmptyParts =
true )
const;
88 QList<int> toIntList(
bool &ok,
char delimiter =
',' )
const;
96 QList<double> toDoubleList(
bool &ok,
char delimiter =
',' )
const;
104 QList<QColor> toColorList(
bool &ok,
char delimiter =
',' )
const;
112 QList<QgsGeometry> toGeomList(
bool &ok,
char delimiter =
',' )
const;
119 QStringList toOgcFilterList()
const;
126 QStringList toExpressionList()
const;
140 int toInt(
bool &ok )
const;
147 double toDouble(
bool &ok )
const;
160 QColor toColor(
bool &ok )
const;
168 QUrl toUrl(
bool &ok )
const;
176 QString loadUrl(
bool &ok )
const;
183 static void raiseError(
const QString &msg );