useVariable

Usage
Use the hook with no input parameters (returns a list of variables)
1
const {
2
  qLayout,
3
  qInfo,
4
  qMeta,
5
  qSelectionInfo,
6
  qVariableList
7
  variableList,
8
} = useVariable();
9
​
Copied!
You can also pass qId or qName as parameters. This will return data and actions for a specific variable.
1
const {
2
   qLayout,
3
   qInfo,
4
   qNum,
5
   qText,
6
   value,
7
   error,
8
   qProperties,
9
   setProperties
10
 } = useVariable({ name: “name" });
11
 
Copied!
Pass qName and qDefinitionto create a session variable
1
const {
2
 qLayout,
3
 qInfo
4
 } = useVariable({ 
5
  name: "name",
6
  definition: "=Count(Country)",
7
 });
Copied!
Variable Options
The following options can be passed into the hook
name: String
The name of the variable to use. Combine with qDefinition, or pass on it's own to retrieve information from the engine
definition: String
Variable expression
Variable Properties
The following properties are returned from the hook
qLayout: Object
Layout of the variable
Returns an object with the following keys if no variable is passed into the hook
qInfo: {qId: "...", qType: "...."}
qMeta: {privileges: Array(3)}
qSelectionInfo: Object
qVariableList: {qItems: <Array>}
variableList: <Array[Obj]>
Returns an object with the following keys if a variable is passed into the hook
qInfo: {qId: "...", qType: "...."}
qMeta: {privileges: Array(3)}
qText: String
qNum: Number
value: String
qProperties: Returns data in this structure​
setProperties: Returns data in this structure​
The above properties in qLayout are also available de-structured from the hook, see the usage examples above
Example
A working example using Motor to update a slider can be found here.

useTable

Next - @motor-js/engine

License for @motor-js/engine

Last modified 8mo ago

Copy link

Contents