работа с цветом

flutter/lib/pages/drawing_page.dart

@@ -11,7 +11,7 @@ Graphs getGraph() {
   d.add(Dot.fromTwoLists("3", [1, 2], [1, 2]));
   //d.add(Dot.fromTwoLists("Name1", [], []));
   //d.add(Dot.fromTwoLists("Name2", [], []));
-  return Graphs.fromList("UMYA", d, true, true);
+  return Graphs.fromList("Имя", d, true, true);
 }
 
 class DrawingPage extends StatefulWidget {
@@ -57,7 +57,7 @@ class _DrawingPageState extends State<DrawingPage> {
                   ))),
           toolbarHeight: 110,
           flexibleSpace: Container(
-            color: Colors.blue,
+            color: Colors.green.shade900,
             child: Column(children: <Widget>[
               const SizedBox(height: 5),
               Row(children: [
@@ -148,10 +148,13 @@ class _DrawingPageState extends State<DrawingPage> {
   ElevatedButton createButton(String txt, void onPressing()) {
     return ElevatedButton(
       onPressed: onPressing,
+      style: ButtonStyle(
+          backgroundColor: MaterialStateProperty.resolveWith<Color>(
+              (states) => Colors.green.shade700)),
       child: Text(txt,
           style: const TextStyle(
             fontSize: 15,
-            color: Colors.white,
+            color: Colors.white70,
             height: 1,
           )),
     );
@@ -244,7 +247,7 @@ class _DrawingPageState extends State<DrawingPage> {
       if (_textNumbController.text == "") {
         showPopUp("Error", "No number in \"Dot number\" box");
       } else if (_textDestController.text == "") {
-        showPopUp("Error", "No name in \"Destination number\" box");
+        showPopUp("Error", "No number in \"Destination number\" box");
       } else if (_textLnthController.text == "" &&
           graphData.getUseLengthBool()) {
         showPopUp("Error", "No length in \"Input length\" box");
@@ -368,7 +371,7 @@ class _DrawingPageState extends State<DrawingPage> {
       if (_textNumbController.text == "") {
         showPopUp("Error", "No number in \"Dot number\" box");
       } else if (_textDestController.text == "") {
-        showPopUp("Error", "No name in \"Destination number\" box");
+        showPopUp("Error", "No number in \"Destination number\" box");
       } else {
         int? from = int.tryParse(_textNumbController.text);
         int? to = int.tryParse(_textDestController.text);

flutter/lib/src/graph.dart

@@ -537,7 +537,7 @@ class Graphs {
   }
 
   //************Алгоритмы************
- /* bool bfsHasPath(int startDot, int goalDot) {
+  /* bool bfsHasPath(int startDot, int goalDot) {
     // обход в ширину
     startDot--;
     goalDot--;
@@ -629,21 +629,25 @@ class Graphs {
 
   List<bool>? dfsIterative(int v) {
     v--;
+    //List<int>? pos = <int>[];
     List<bool> label = <bool>[];
     for (int i = 0; i < _amount; i++) {
       label.add(false);
     }
     List<int> stack = <int>[];
     stack.add(v);
+    //pos.add(v);
     while (stack.isNotEmpty) {
       v = stack.removeLast();
       if (!label[v]) {
         label[v] = true;
         for (int i in _dots[v].getL().keys) {
           stack.add(i - 1);
+          //pos.add(i);
         }
       }
     }
+    //print(pos);
     return label;
   }