DiffableTextViews

An open source package for as-you-type formatting in SwiftUI.

Features

Installation

Simple instructions on how to install this package.

Swift Package Manager

1. Select https://github.com/oscbyspro/DiffableTextViews.
2. Select a VERSIONED release.

Import

import DiffableTextViews

Requirements

Apps

The src="https://raw.github.com/oscbyspro/DiffableTextViews/main/le app provides quick-and-easy-to-use customization toolssrc="https://raw.github.com/oscbyspro/DiffableTextViews/main/Number	Pattern

Installation

Download this package and compile/run it with Xcode.

Views

DiffableTextField

A text field that binds values and formats them as you type.

Features

Environment

environment(\.locale, _:)
environment(\.layoutDirection, _:)
diffableTextViews_disableAutocorrection(_:)
diffableTextViews_font(_:)
diffableTextViews_foregroundColor(_:)
diffableTextViews_multilineTextAlignment(_:)
diffableTextViews_onSubmit(_:)
diffableTextViews_submitLabel(_:)
diffableTextViews_textContentType(_:)
diffableTextViews_textFieldStyle(_:)
diffableTextViews_textInputAutocapitalization(_:)
diffableTextViews_tint(_:)

Styles

NumberTextStyle (Source, Tests)

A style that binds localized numbers using various formats.

Features

Examples

import DiffableTextViews
import SwiftUI

//*============================================================================*
// MARK: * Number
//*============================================================================*

struct ContentView: View {
    typealias Amount = Decimal // Decimal, Double, (U)Int(8-64), Optional<T>
    
    //=------------------------------------------------------------------------=
    // MARK: State
    //=------------------------------------------------------------------------=
    
    @State var amount = 0 as Amount
    @State var currencyCode = "SEK"
    @State var locale = Locale(identifier: "sv_SE")
    
    //=------------------------------------------------------------------------=
    // MARK: Accessors
    //=------------------------------------------------------------------------=
    
    var en_US: Locale {
        Locale(identifier: "en_US")
    }
    
    //=------------------------------------------------------------------------=
    // MARK: Body
    //=------------------------------------------------------------------------=
    
    var body: some View {
        DiffableTextField(value: $amount) {
            .currency(code: currencyCode)
            // .bounds((0 as Amount)...) // autocorrects while view is in focus
            // .precision(integer: 1..., fraction: 2) // default is appropriate
            // .locale(en_US).constant() // prevents changes by the environment
        }
        .environment(\.locale, locale)
        .diffableTextViews_keyboardType(.decimalPad)
    }
}

PatternTextStyle (Source, Tests)

A style that processes characters laid out in custom patterns.

Features

Examples

import DiffableTextViews
import SwiftUI

//*============================================================================*
// MARK: * Pattern
//*============================================================================*

struct ContentView: View {
    
    //=------------------------------------------------------------------------=
    // MARK: State
    //=------------------------------------------------------------------------=
    
    @State var number = "123456789"
    
    //=------------------------------------------------------------------------=
    // MARK: Body
    //=------------------------------------------------------------------------=
    
    var body: some View {
        DiffableTextField(value: $number) {
            .pattern("+## (###) ###-##-##")
            .placeholder("#") { $0.isASCII && $0.isNumber }
            // .hidden(true) // hides pattern beyond last real value
            // .equals(()) // skips comparisons and discards changes
        }
        .diffableTextViews_keyboardType(.numberPad)
    }
}

WrapperTextStyle(s) (Source, Tests)

Decorative styles that modify the behavior of their content.