Загрузил(а) файлы в 'flutter/lib/pages'
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@ -1,5 +1,5 @@
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import 'package:graphs/src/graph.dart';
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import 'package:graphs/curve_painter.dart';
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import 'package:graphs/src/curve_painter.dart';
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import 'package:file_picker/file_picker.dart';
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import 'package:flutter/material.dart';
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@ -11,7 +11,7 @@ Graphs getGraph() {
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d.add(Dot.fromTwoLists("3", [1, 2], [1, 2]));
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//d.add(Dot.fromTwoLists("Name1", [], []));
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//d.add(Dot.fromTwoLists("Name2", [], []));
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return Graphs.fromList("Имя", d, true, true);
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return Graphs.fromList("Имя графа", d, true, true);
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}
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class DrawingPage extends StatefulWidget {
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@ -24,31 +24,37 @@ class DrawingPage extends StatefulWidget {
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class _DrawingPageState extends State<DrawingPage> {
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double screenSize = 0;
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Graphs graphData = getGraph();
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List<int>? bfsPath;
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List<int?>? intListPath;
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List<bool>? dfsAccessTable;
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//List<int?>? dijkstraTable;
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String op = Operations.none;
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int? startDot;
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int? endDot;
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String? dropdownValue1;
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String? dropdownValue2;
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String currOp = "";
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final _textNameController = TextEditingController();
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final _textNumbController = TextEditingController();
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final _textDestController = TextEditingController();
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final _textLnthController = TextEditingController();
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final _textGrNmController = TextEditingController();
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void clearInputData() {
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setState(() {
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_textDestController.clear();
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_textNumbController.clear();
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_textLnthController.clear();
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_textNameController.clear();
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dropdownValue1 = null;
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dropdownValue2 = null;
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/*startDot = null;
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bfsPath = null;
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});
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}
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void clearDropDownVals() {
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setState(() {
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startDot = null;
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intListPath = null;
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dfsAccessTable = null;
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endDot = null;*/
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endDot = null;
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currOp = "";
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op = Operations.none;
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});
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}
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@ -94,11 +100,11 @@ class _DrawingPageState extends State<DrawingPage> {
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// ***addSpace***
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// *************inputs*************
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Container createInputBox(String text, double wid, IconData? icon,
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Container createInputBox(String text, double width, IconData? icon,
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TextEditingController? controller) {
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if (icon == null) {
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return Container(
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width: wid,
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width: width,
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height: 40,
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margin: const EdgeInsets.symmetric(horizontal: 20, vertical: 5),
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child: TextField(
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@ -118,7 +124,7 @@ class _DrawingPageState extends State<DrawingPage> {
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));
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}
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return Container(
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width: wid,
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width: width,
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height: 40,
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margin: const EdgeInsets.symmetric(horizontal: 20, vertical: 5),
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child: TextField(
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@ -209,27 +215,27 @@ class _DrawingPageState extends State<DrawingPage> {
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//*********ButtonsFunctions*********
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void addDotPushed() {
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setState(() {
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clearDropDownVals();
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if (_textNameController.text == "") {
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showPopUp("Error", "No name in \"Dot name\" box");
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} else {
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setState(() {
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String? res = graphData.addIsolated(_textNameController.text);
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if (res != null) {
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showPopUp("Error", res);
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}
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});
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}
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clearInputData();
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});
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}
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void addPathPushed() {
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setState(() {
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clearDropDownVals();
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if (dropdownValue1 == null) {
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showPopUp("Error", "Select output dot");
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} else if (dropdownValue2 == null) {
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showPopUp("Error", "select input dot");
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} else if (_textLnthController.text == "" &&
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graphData.getUseLengthBool()) {
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} else if (_textLnthController.text == "" && graphData.getUseLengthBool()) {
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showPopUp("Error", "No length in \"Input length\" box");
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} else {
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int? from = int.parse(dropdownValue1!);
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@ -240,14 +246,13 @@ class _DrawingPageState extends State<DrawingPage> {
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"Can't parse input.\nInts only allowed in \"Dot number\", \"Destination number\" and \"Input length\"");
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} else {
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len ??= 0;
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String? res = graphData.addPath(from, to, len);
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if (res != null) {
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showPopUp("Error", res);
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}
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setState(() {
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String? res = graphData.addPath(from, to, len!);
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if (res != null) showPopUp("Error", res);
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});
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}
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}
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clearInputData();
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});
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}
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void changeOriented() {
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@ -265,55 +270,64 @@ class _DrawingPageState extends State<DrawingPage> {
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}
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void delPathPushed() {
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setState(() {
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if (_textNumbController.text == "") {
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clearDropDownVals();
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if (dropdownValue1 == null) {
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showPopUp("Error", "No number in \"Dot number\" box");
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} else if (_textDestController.text == "") {
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} else if (dropdownValue2 == null) {
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showPopUp("Error", "No name in \"Dot name\" box");
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} else {
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int? from = int.tryParse(_textNumbController.text);
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int? to = int.tryParse(_textDestController.text);
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int? from = int.tryParse(dropdownValue1!);
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int? to = int.tryParse(dropdownValue2!);
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if (from == null || to == null) {
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showPopUp("Error",
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"Can't parse input.\nInts only allowed in \"Dot number\" and \"Destination number\"");
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} else {
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setState(() {
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String? res = graphData.delPath(from, to);
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if (res != null) {
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showPopUp("Error", res);
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}
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});
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}
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}
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clearInputData();
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});
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}
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void delDotPushed() {
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setState(() {
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if (dropdownValue1 != null) {
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graphData.delDot(int.parse(dropdownValue1!));
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setState(() {
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String? res = graphData.delDot(int.parse(dropdownValue1!));
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if (res != null) {
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showPopUp("Error", res);
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}
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});
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} else {
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showPopUp("Error", "Nothing in input");
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}
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clearDropDownVals();
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clearInputData();
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});
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}
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void fileOpener() async {
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FilePickerResult? result =
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await FilePicker.platform.pickFiles(allowedExtensions: ["txt"]);
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setState(() {
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if (result != null) {
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if (!result.files.single.path!.endsWith(".txt")) {
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showPopUp("Error", "Can open only \".txt\" files");
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} else {
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setState(() {
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String? res =
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graphData.replaceDataFromFile(result.files.single.path!);
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if (res != null) showPopUp("Error", res);
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});
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}
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} else {
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showPopUp("Error", "No file selected");
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}
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});
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clearDropDownVals();
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clearInputData();
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}
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void fileSaver() async {
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@ -329,50 +343,69 @@ class _DrawingPageState extends State<DrawingPage> {
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}
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graphData.printToFile(outputFile);
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}
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clearDropDownVals();
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clearInputData();
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}
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void bfsPushed() {
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setState(() {
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bfsPath = null;
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dfsAccessTable = null;
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startDot = null;
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endDot = null;
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clearDropDownVals();
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if (dropdownValue1 == null) {
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showPopUp("Error", "No number in \"Dot number\" box");
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} else if (dropdownValue2 == null) {
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showPopUp("Error", "No number in \"Destination number\" box");
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} else {
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setState(() {
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startDot = int.parse(dropdownValue1!);
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endDot = int.parse(dropdownValue2!);
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bfsPath = graphData.bfsPath(startDot!, endDot!);
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if (bfsPath == null) {
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currOp = "OP: BFS from $startDot to $endDot";
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op = Operations.bfs;
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intListPath = graphData.bfsPath(startDot!, endDot!);
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});
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if (intListPath == null) {
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showPopUp("Info", "There is no path");
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}
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print(bfsPath);
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//print(intListPath);
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}
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});
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clearInputData();
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}
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void dfsPushed() {
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setState(() {
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bfsPath = null;
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dfsAccessTable = null;
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startDot = null;
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endDot = null;
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clearDropDownVals();
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if (dropdownValue1 == null) {
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showPopUp("Error", "No number in \"Dot number\" box");
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} else {
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setState(() {
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startDot = int.parse(dropdownValue1!);
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op = Operations.dfs;
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currOp = "OP: DFS from $startDot";
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dfsAccessTable = graphData.dfsIterative(startDot!);
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});
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if (dfsAccessTable == null) {
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showPopUp("Err", "report this error.");
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}
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print(dfsAccessTable);
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//print(dfsAccessTable);
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}
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clearInputData();
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}
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void dijkstraPushed() {
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clearDropDownVals();
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if (dropdownValue1 == null) {
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showPopUp("Error", "No number in \"Dot number\" box");
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} else {
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setState(() {
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startDot = int.parse(dropdownValue1!);
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currOp = "OP: DFS from $startDot";
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op = Operations.dijkstra;
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intListPath = graphData.dijkstra(startDot!);
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});
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if (intListPath == null) {
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showPopUp("Err", "report this error.");
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}
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//print(intListPath);
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}
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clearInputData();
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});
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}
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//*********ButtonsFunctions*********
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@ -416,7 +449,7 @@ class _DrawingPageState extends State<DrawingPage> {
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//createInputBox("Dot number", screenSize / 4 - 25, Icons.fiber_manual_record, _textNumbController),
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addSpaceW(54),
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dropList1(screenSize / 4 - 80),
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addSpaceW(54),
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addSpaceW(53),
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createButton("\nDel path\n", delPathPushed),
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addSpaceW(54),
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dropList2(screenSize / 4 - 80),
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@ -428,10 +461,7 @@ class _DrawingPageState extends State<DrawingPage> {
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IconButton(
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onPressed: () {
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setState(() {
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startDot = null;
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endDot = null;
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bfsPath = null;
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dfsAccessTable = null;
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clearDropDownVals();
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graphData.flushData();
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clearInputData();
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});
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@ -443,31 +473,33 @@ class _DrawingPageState extends State<DrawingPage> {
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body: CustomPaint(
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painter: CurvePainter(
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graphData: graphData,
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bfsPath: bfsPath,
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intListPath: intListPath,
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dfsAccessTable: dfsAccessTable,
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start: startDot,
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end: endDot),
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end: endDot,
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op: op),
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child: Align(
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alignment: Alignment.topRight,
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child: ButtonBar(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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Text(
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currOp,
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style: const TextStyle(fontSize: 14, color: Colors.black),
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),
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createButton("Bfs", bfsPushed),
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createButton("Dfs", dfsPushed),
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createButton("Clear dfs or bfs", () {
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setState(() {
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bfsPath = null;
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dfsAccessTable = null;
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startDot = null;
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endDot = null;
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createButton("Dijkstra", dijkstraPushed),
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createButton("Clear OP", () {
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clearDropDownVals();
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clearInputData();
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});
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}),
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createButton(graphData.getUseLengthStr(), changeLength),
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createButton(graphData.getDoubleSidedStr(), changeOriented),
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createButton("Save to file", fileSaver),
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createButton("Load from file", fileOpener),
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createButton("Help", () {
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/*
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String out =
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" В поле \"Graph name\" можно сменить имя графу.\n";
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out +=
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@ -487,8 +519,8 @@ class _DrawingPageState extends State<DrawingPage> {
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out +=
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" Кнопки \"Save to file\" и \"Load from file\" позволяют вывести информацию в файл и загрузить информацию из файла соответственно.\n";
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out +=
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" Кнопка \"Help\" описывает работу с интерфейсом программы.";
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showPopUp("Help:", out);
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" Кнопка \"Help\" описывает работу с интерфейсом программы.";*/
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showPopUp("Help:", "На переработке");
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})
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],
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),
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