Class: QgsValueMapFieldFormatter¶
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class
qgis.core.
QgsValueMapFieldFormatter
¶ Bases:
QgsFieldFormatter
Default constructor of field formatter for a value map field.
QgsValueMapFieldFormatter(
QgsValueMapFieldFormatter
)Field formatter for a ValueMap field. A value relation field formatter looks up the values a map.
The map is defined in the configuration as dictionary under the key “map”.
{ “map”: { 1: “one”, 2: “two”, 3: “three” } }
Values that are not on the map will be wrapped in parentheses. So with the above configuration:
3 => “three”
5 => “(5)”
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NULL_VALUE
= '{2839923C-8B7D-419E-B84B-CA2FE9B80EC7}'¶
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id
(self) → str¶ - Return type
str
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representValue
(self, layer: QgsVectorLayer, fieldIndex: int, config: Dict[str, Any], cache: Any, value: Any) → str¶ - Parameters
layer (QgsVectorLayer) –
fieldIndex (int) –
config (Dict[str) –
cache (Any) –
value (Any) –
- Return type
str
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sortValue
(self, layer: QgsVectorLayer, fieldIndex: int, config: Dict[str, Any], cache: Any, value: Any) → Any¶ - Parameters
layer (QgsVectorLayer) –
fieldIndex (int) –
config (Dict[str) –
cache (Any) –
value (Any) –
- Return type
Any