Kenneth Bruen
2 years ago
2 changed files with 184 additions and 152 deletions
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import 'package:flutter/material.dart'; |
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import 'package:logic_circuits_simulator/utils/iterable_extension.dart'; |
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class TruthTableHeaderText extends StatelessWidget { |
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final String text; |
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final BoxBorder? border; |
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const TruthTableHeaderText(this.text, {super.key, this.border}); |
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@override |
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Widget build(BuildContext context) { |
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return Container( |
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decoration: BoxDecoration( |
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border: border, |
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), |
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padding: const EdgeInsets.symmetric( |
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horizontal: 8, |
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), |
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child: Text( |
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text, |
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textAlign: TextAlign.center, |
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style: Theme.of(context).textTheme.bodyLarge!.copyWith( |
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fontWeight: FontWeight.bold, |
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fontSize: 24, |
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), |
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), |
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); |
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} |
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} |
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class TruthTableTrue extends StatelessWidget { |
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final BoxBorder? border; |
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final void Function()? onTap; |
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const TruthTableTrue({super.key, this.border, this.onTap}); |
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@override |
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Widget build(BuildContext context) { |
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return Container( |
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decoration: BoxDecoration( |
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border: border, |
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), |
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child: InkWell( |
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onTap: onTap, |
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child: Text( |
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'T', |
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textAlign: TextAlign.center, |
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style: Theme.of(context).textTheme.bodyLarge!.copyWith( |
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color: Colors.green, |
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fontSize: 20, |
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), |
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), |
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), |
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); |
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} |
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} |
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class TruthTableFalse extends StatelessWidget { |
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final BoxBorder? border; |
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final void Function()? onTap; |
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const TruthTableFalse({super.key, this.border, this.onTap}); |
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@override |
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Widget build(BuildContext context) { |
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return Container( |
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decoration: BoxDecoration( |
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border: border, |
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), |
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child: InkWell( |
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onTap: onTap, |
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child: Text( |
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'F', |
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textAlign: TextAlign.center, |
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style: Theme.of(context).textTheme.bodyLarge!.copyWith( |
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color: Colors.red, |
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fontSize: 20, |
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), |
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), |
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), |
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); |
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} |
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} |
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class TruthTableEditor extends StatelessWidget { |
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static const marginBorder = BorderSide( |
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color: Colors.black, |
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width: 2, |
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); |
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static const innerBorder = BorderSide( |
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color: Colors.black45, |
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width: 1, |
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); |
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final List<String> inputs; |
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final List<String> outputs; |
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final List<String> truthTable; |
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final void Function(int, String)? onUpdateTable; |
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const TruthTableEditor({Key? key, required this.inputs, required this.outputs, required this.truthTable, required this.onUpdateTable}) : super(key: key); |
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@override |
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Widget build(BuildContext context) { |
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return Table( |
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defaultColumnWidth: const IntrinsicColumnWidth(), |
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border: TableBorder.symmetric(outside: const BorderSide(width: 2)), |
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children: List.generate( |
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truthTable.length + 1, |
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(index) { |
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if (index == 0) { |
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return TableRow( |
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children: inputs |
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.indexedMap<Widget>( |
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(index, e) => TruthTableHeaderText( |
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e, |
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border: Border( |
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bottom: marginBorder, |
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right: index == inputs.length - 1 |
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? marginBorder |
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: innerBorder, |
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), |
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) |
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) |
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.followedBy( |
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outputs |
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.indexedMap( |
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(index, e) => TruthTableHeaderText( |
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e, |
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border: Border( |
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bottom: const BorderSide(width: 2), |
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right: index == outputs.length - 1 |
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? BorderSide.none |
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: innerBorder, |
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), |
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) |
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) |
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) |
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.toList(), |
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); |
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} |
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final inputBinary = (index - 1).toRadixString(2).padLeft(inputs.length, '0'); |
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final outputBinary = truthTable[index - 1]; |
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Widget runeToWidget({required int rune, void Function()? onTap, BoxBorder? border}) { |
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return int.parse(String.fromCharCode(rune)) != 0 |
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? TruthTableTrue( |
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border: border, |
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onTap: onTap, |
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) |
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: TruthTableFalse( |
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border: border, |
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onTap: onTap, |
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); |
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} |
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return TableRow( |
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children: inputBinary.runes.indexedMap( |
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(i, r) => runeToWidget( |
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rune: r, |
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border: i == inputBinary.runes.length - 1 |
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? const Border(right: marginBorder) |
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: const Border(right: innerBorder), |
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) |
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) |
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.followedBy(outputBinary.runes.indexedMap( |
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(i, r) => runeToWidget( |
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rune: r, |
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border: i == outputBinary.runes.length - 1 |
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? null |
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: const Border(right: innerBorder), |
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onTap: onUpdateTable == null ? null : () { |
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onUpdateTable!(index - 1, outputBinary.replaceRange(i, i+1, (outputBinary[i] == "1") ? "0" : "1")); |
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}, |
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), |
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)) |
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.toList(), |
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); |
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}, |
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), |
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); |
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} |
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} |
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