QGIS API Documentation
3.4.15-Madeira (e83d02e274)
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Single variable definition for use within a QgsExpressionContextScope. More...
#include <qgsexpressioncontext.h>
Public Member Functions | |
StaticVariable (const QString &name=QString(), const QVariant &value=QVariant(), bool readOnly=false, bool isStatic=false, const QString &description=QString()) | |
Constructor for StaticVariable. More... | |
Public Attributes | |
QString | description |
Translated description of variable, for use within expression builder widgets. More... | |
bool | isStatic |
A static variable can be cached for the lifetime of a context. More... | |
QString | name |
Variable name. More... | |
bool | readOnly |
True if variable should not be editable by users. More... | |
QVariant | value |
Variable value. More... | |
Single variable definition for use within a QgsExpressionContextScope.
Definition at line 136 of file qgsexpressioncontext.h.
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inline |
Constructor for StaticVariable.
name | variable name (should be unique within the QgsExpressionContextScope) |
value | initial variable value |
readOnly | true if variable should not be editable by users |
isStatic | true if the variable will not change during the lifteime of an iterator. |
description | optional translated description of variable, for use in expression builder widgets |
Definition at line 147 of file qgsexpressioncontext.h.
QString QgsExpressionContextScope::StaticVariable::description |
Translated description of variable, for use within expression builder widgets.
Definition at line 168 of file qgsexpressioncontext.h.
bool QgsExpressionContextScope::StaticVariable::isStatic |
A static variable can be cached for the lifetime of a context.
Definition at line 165 of file qgsexpressioncontext.h.
QString QgsExpressionContextScope::StaticVariable::name |
Variable name.
Definition at line 156 of file qgsexpressioncontext.h.
bool QgsExpressionContextScope::StaticVariable::readOnly |
True if variable should not be editable by users.
Definition at line 162 of file qgsexpressioncontext.h.
QVariant QgsExpressionContextScope::StaticVariable::value |
Variable value.
Definition at line 159 of file qgsexpressioncontext.h.