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Formula Class

Module: ui

Encapsulates a UI formula. A formula can be used in UI layouts to define property-bindings or to implement a specific behavior.

Methods

exec

()

The formula-function. Its a wrapper-function before the first-time call was made.

onChange

(
  • numberValue
)

Checks if the specified number-value has changed since the last check. It uses the first entry of the numbers-array to store the value and check against the new one.

Parameters:

  • numberValue Number
    • Number value to check.

onTextChange

(
  • textValue
)

Checks if the specified text-value has changed since the last check. It uses the first entry of the strings-array to store the value and check against the new one.

Parameters:

  • textValue String
    • Text value to check.

Properties

data

Object

An optional data-object which can bes accessed inside the formula-function.

event

String

An optional event-name to define when the formula should be executed.

exec_

Function

The formula-function.

numbers

Number

An array of custom number-data which can be used for different purposes. The first element is also used in onChange method to store the old value and check against the new one to detect a change.

onInitialize

Boolean

Indicates if its the first time the formula is called.

strings

String

An array of custom string-data which can be used for different purposes. The first element is also used in onTextChange method to store the old value and check against the new one to detect a change.