| 1 | import "package:cake_wallet/generated/i18n.dart"; |
| 2 | import "package:cake_wallet/new-ui/widgets/coins_page/token_image_widget.dart"; |
| 3 | import "package:cake_wallet/new-ui/widgets/send_page/floating_icon_button.dart"; |
| 4 | import "package:cake_wallet/src/widgets/cake_image_widget.dart"; |
| 5 | import "package:cake_wallet/utils/decimal_input_formatter.dart"; |
| 6 | import "package:flutter/material.dart"; |
| 7 | import "package:flutter/services.dart"; |
| 8 | import "package:flutter_mobx/flutter_mobx.dart"; |
| 9 | |
| 10 | class NewSendAmountInput extends StatefulWidget { |
| 11 | const NewSendAmountInput({ |
| 12 | required this.currency, |
| 13 | required this.maxDecimals, |
| 14 | required this.hasPicker, |
| 15 | required this.onPickerClicked, |
| 16 | required this.currencyIconPath, |
| 17 | required this.amountController, |
| 18 | super.key, |
| 19 | this.validator, |
| 20 | }); |
| 21 | |
| 22 | final String currency; |
| 23 | final String currencyIconPath; |
| 24 | final bool hasPicker; |
| 25 | final int maxDecimals; |
| 26 | final VoidCallback onPickerClicked; |
| 27 | final TextEditingController amountController; |
| 28 | final FormFieldValidator<String>? validator; |
| 29 | |
| 30 | @override |
| 31 | State<NewSendAmountInput> createState() => _NewSendAmountInputState(); |
| 32 | } |
| 33 | |
| 34 | class _NewSendAmountInputState extends State<NewSendAmountInput> { |
| 35 | final formFieldKey = GlobalKey<FormFieldState<String>>(); |
| 36 | |
| 37 | @override |
| 38 | void initState() { |
| 39 | widget.amountController |
| 40 | .addListener(() => formFieldKey.currentState?.didChange(widget.amountController.text)); |
| 41 | super.initState(); |
| 42 | } |
| 43 | |
| 44 | @override |
| 45 | Widget build(BuildContext context) => FormField<String>( |
| 46 | key: formFieldKey, |
| 47 | initialValue: widget.amountController.text, |
| 48 | validator: widget.validator, |
| 49 | builder: (state) => Column( |
| 50 | crossAxisAlignment: CrossAxisAlignment.start, |
| 51 | children: [ |
| 52 | Container( |
| 53 | decoration: BoxDecoration( |
| 54 | color: widget.hasPicker |
| 55 | ? Theme.of(context).colorScheme.surfaceContainerHigh |
| 56 | : Theme.of(context).colorScheme.surfaceContainer, |
| 57 | borderRadius: BorderRadius.circular(18), |
| 58 | ), |
| 59 | child: Row( |
| 60 | children: [ |
| 61 | Expanded( |
| 62 | child: Container( |
| 63 | decoration: BoxDecoration( |
| 64 | color: Theme.of(context).colorScheme.surfaceContainer, |
| 65 | borderRadius: const BorderRadius.horizontal(left: Radius.circular(18)), |
| 66 | ), |
| 67 | child: Row( |
| 68 | mainAxisSize: MainAxisSize.max, |
| 69 | spacing: 8, |
| 70 | children: [ |
| 71 | // Deliberately unwrapped. Naming the field with |
| 72 | // MergeSemantics > Semantics(label:) made Android announce |
| 73 | // the amount twice: FormField's own wrapper node reflects |
| 74 | // its descendants' text, so the authored label came back a |
| 75 | // second time on the container. The visible "Amount:" |
| 76 | // caption on the send page carries the name instead, and it |
| 77 | // must stay in the semantics tree for this field to be |
| 78 | // named at all. |
| 79 | Expanded( |
| 80 | child: TextField( |
| 81 | keyboardType: TextInputType.numberWithOptions( |
| 82 | signed: false, |
| 83 | decimal: widget.maxDecimals > 0, |
| 84 | ), |
| 85 | autocorrect: false, |
| 86 | enableSuggestions: false, |
| 87 | inputFormatters: <TextInputFormatter>[ |
| 88 | DecimalInputFormatter(maxDecimals: widget.maxDecimals), |
| 89 | ], |
| 90 | controller: widget.amountController, |
| 91 | decoration: InputDecoration( |
| 92 | hintText: widget.maxDecimals == 0 ? "0" : "0.00", |
| 93 | errorMaxLines: 3, |
| 94 | ), |
| 95 | onChanged: state.didChange, |
| 96 | ), |
| 97 | ), |
| 98 | FloatingIconButton( |
| 99 | iconPath: "assets/new-ui/paste.svg", |
| 100 | semanticLabel: S.of(context).paste, |
| 101 | onPressed: () async { |
| 102 | final data = await Clipboard.getData(Clipboard.kTextPlain); |
| 103 | if (data != null && data.text != null) { |
| 104 | final text = data.text!; |
| 105 | widget.amountController.value = TextEditingValue( |
| 106 | text: text, |
| 107 | selection: TextSelection.collapsed(offset: text.length), |
| 108 | ); |
| 109 | } |
| 110 | }, |
| 111 | ), |
| 112 | ], |
| 113 | ), |
| 114 | ), |
| 115 | ), |
| 116 | IntrinsicWidth( |
| 117 | child: Observer( |
| 118 | // `container: true` is load bearing. FormField wraps this |
| 119 | // builder in its own non-container Semantics annotation, so |
| 120 | // without a container of its own this configuration is |
| 121 | // absorbed into that wrapper node — which then parents the |
| 122 | // amount TextField and hides it from screen readers. |
| 123 | builder: (_) => Semantics( |
| 124 | container: true, |
| 125 | button: widget.hasPicker ? true : null, |
| 126 | enabled: widget.hasPicker ? true : null, |
| 127 | label: widget.hasPicker ? S.of(context).select_asset : widget.currency, |
| 128 | value: widget.hasPicker ? widget.currency : null, |
| 129 | onTap: widget.hasPicker ? widget.onPickerClicked : null, |
| 130 | excludeSemantics: true, |
| 131 | child: GestureDetector( |
| 132 | onTap: widget.onPickerClicked, |
| 133 | child: Container( |
| 134 | alignment: Alignment.center, |
| 135 | width: double.infinity, |
| 136 | decoration: BoxDecoration( |
| 137 | borderRadius: const BorderRadius.only( |
| 138 | topRight: Radius.circular(18), |
| 139 | bottomRight: Radius.circular(18), |
| 140 | ), |
| 141 | color: widget.hasPicker |
| 142 | ? Theme.of(context).colorScheme.surfaceContainerHigh |
| 143 | : Theme.of(context).colorScheme.surfaceContainer, |
| 144 | ), |
| 145 | child: Padding( |
| 146 | padding: const EdgeInsets.symmetric(horizontal: 12), |
| 147 | child: Row( |
| 148 | mainAxisAlignment: MainAxisAlignment.center, |
| 149 | mainAxisSize: MainAxisSize.max, |
| 150 | spacing: 8, |
| 151 | children: [ |
| 152 | if (widget.hasPicker && widget.currencyIconPath.isNotEmpty) |
| 153 | TokenImageWidget( |
| 154 | imageUrl: widget.currencyIconPath, |
| 155 | size: 24, |
| 156 | ), |
| 157 | Text(widget.currency), |
| 158 | if (widget.hasPicker) |
| 159 | CakeImageWidget( |
| 160 | imageUrl: "assets/new-ui/chooser.svg", |
| 161 | width: 12, |
| 162 | height: 12, |
| 163 | colorFilter: ColorFilter.mode( |
| 164 | Theme.of(context).colorScheme.primary, |
| 165 | BlendMode.srcIn, |
| 166 | ), |
| 167 | ), |
| 168 | ], |
| 169 | ), |
| 170 | ), |
| 171 | ), |
| 172 | ), |
| 173 | ), |
| 174 | ), |
| 175 | ), |
| 176 | ], |
| 177 | ), |
| 178 | ), |
| 179 | if (state.hasError) |
| 180 | Padding( |
| 181 | padding: const EdgeInsets.only(top: 6, left: 8), |
| 182 | child: Semantics( |
| 183 | container: true, |
| 184 | liveRegion: true, |
| 185 | label: "${S.of(context).amount}${state.errorText!}", |
| 186 | excludeSemantics: true, |
| 187 | child: Text( |
| 188 | state.errorText!, |
| 189 | style: TextStyle(fontSize: 12, color: Theme.of(context).colorScheme.error), |
| 190 | ), |
| 191 | ), |
| 192 | ), |
| 193 | ], |
| 194 | ), |
| 195 | ); |
| 196 | } |