WebmapLabelExpression class final
The label Webmap expression expects to hold a legal, Webmap script and to be read and evaluated by a Webmap expression interpreter. An example expression that combines text with a field value is
State {State_Name}
Note that quotes are not needed around the literal text. Warning: If expression using attributes which don't exist then no label will be produced. This is distinct from the attribute existing but having a null or empty value, which can form part of the produced text label.
- Inheritance
-
- Object
- LabelExpression
- WebmapLabelExpression
Constructors
- WebmapLabelExpression({String webmapExpression = ''})
-
Create a label Webmap expression with a specific Webmap script.
factory
Properties
- expression ↔ String
-
The label expression script string.
getter/setter pairinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
clone(
) → LabelExpression -
Clones the LabelExpression.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited