yattee/Shared/Settings/InstanceForm.swift

159 lines
3.9 KiB
Swift
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import SwiftUI
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struct InstanceForm: View {
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@Binding var savedInstanceID: Instance.ID?
@State private var name = ""
@State private var url = ""
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@State private var app = VideosApp.invidious
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@State private var isValid = false
@State private var isValidated = false
@State private var isValidating = false
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@State private var validationError: String?
@State private var validationDebounce = Debounce()
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@FocusState private var nameFieldFocused: Bool
@Environment(\.dismiss) private var dismiss
var body: some View {
VStack(alignment: .leading) {
Group {
header
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form
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footer
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}
.frame(maxWidth: 1000)
}
.onChange(of: url) { _ in validate() }
.onAppear(perform: initializeForm)
#if os(iOS)
.padding(.vertical)
#elseif os(tvOS)
.frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity)
.background(.thickMaterial)
#else
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.frame(width: 400, height: 190)
#endif
}
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private var header: some View {
HStack(alignment: .center) {
Text("Add Instance")
.font(.title2.bold())
Spacer()
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Button("Cancel") {
dismiss()
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}
#if !os(tvOS)
.keyboardShortcut(.cancelAction)
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#endif
}
.padding(.horizontal)
}
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private var form: some View {
#if !os(tvOS)
Form {
formFields
#if os(macOS)
.padding(.horizontal)
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#endif
}
#else
formFields
#endif
}
private var formFields: some View {
Group {
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Picker("Application", selection: $app) {
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ForEach(VideosApp.allCases, id: \.self) { app in
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Text(app.rawValue.capitalized).tag(app)
}
}
.pickerStyle(.segmented)
TextField("Name", text: $name, prompt: Text("Instance Name (optional)"))
.focused($nameFieldFocused)
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TextField("API URL", text: $url, prompt: Text("https://invidious.home.net"))
#if !os(macOS)
.autocapitalization(.none)
.keyboardType(.URL)
#endif
}
}
private var footer: some View {
HStack(alignment: .center) {
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AccountValidationStatus(isValid: $isValid, isValidated: $isValidated, isValidating: $isValidating, error: $validationError)
Spacer()
Button("Save", action: submitForm)
.disabled(!isValid)
#if !os(tvOS)
.keyboardShortcut(.defaultAction)
#endif
}
#if os(tvOS)
.padding(.top, 30)
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#endif
.padding(.horizontal)
}
var validator: AccountValidator {
AccountValidator(
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app: $app,
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url: url,
id: $url,
isValid: $isValid,
isValidated: $isValidated,
isValidating: $isValidating,
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error: $validationError
)
}
func validate() {
validationDebounce.invalidate()
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guard !url.isEmpty else {
validator.reset()
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return
}
isValidating = true
validationDebounce.debouncing(2) {
validator.validateInstance()
}
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}
func initializeForm() {
nameFieldFocused = true
}
func submitForm() {
guard isValid else {
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return
}
savedInstanceID = InstancesModel.add(app: app, name: name, url: url).id
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dismiss()
}
}
struct InstanceFormView_Previews: PreviewProvider {
static var previews: some View {
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InstanceForm(savedInstanceID: .constant(nil))
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}
}