AngularFrame

Numeric data entry

Design

The framework includes a set of widgets to enter numbers. We distinguish between natural numbers, integer numbers and real numbers. For each type of number there is a directive and a component.

Directives

The directives are responsible for:

• the correct display of the number and allow only
• ensuring that, when possible, an attempt to enter one or more characters that would result in an invalid number is ignored

The directives are designed to be applied to HTML <input> elements of type text.

Components

The components use the directives internally.

Implementation

Types

The framework provides a TypeScript type for each of the number types: natural, integer, real. They are defined in numbers.module.ts. They are only used as a way of documenting. [ Is it possible to implement the correct restrictions on these types in TypeScript ? ]

Directives

The directives implement ControlValueAccessor. They implement the … is the conversion