Some refactoring

Author: Abhi-Gautam

lib/main.dart

@@ -4,7 +4,7 @@ import 'dart:math';
 import 'package:flutter/material.dart';
 import 'package:sorting_visulalization/sotring_algorithms/bubble_sort.dart';
 import 'package:sorting_visulalization/sotring_algorithms/insertion_sort.dart';
-import 'package:sorting_visulalization/main_body.dart';
+import 'package:sorting_visulalization/sorting_screen.dart';
 import 'package:sorting_visulalization/sotring_algorithms/quick_sort.dart';
 import 'package:sorting_visulalization/sotring_algorithms/merge_sort.dart';
 import 'package:sorting_visulalization/sotring_algorithms/selection_sort.dart';

lib/main_body.dart

@@ -0,0 +1,116 @@
+import 'dart:ui';
+
+import 'package:sorting_visulalization/main.dart';
+import 'package:flutter/material.dart';
+import 'package:sorting_visulalization/paints/bars.dart';
+import 'package:sorting_visulalization/paints/dots.dart';
+import 'package:sorting_visulalization/paints/multiple_shapes.dart';
+import 'package:sorting_visulalization/paints/color.dart';
+import 'package:sorting_visulalization/paints/pyramid.dart';
+
+class MainBody extends StatelessWidget {
+  const MainBody({
+    Key key,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return SafeArea(
+      child: Container(
+        padding: const EdgeInsets.only(top: 0.0),
+        child: StreamBuilder<Object>(
+            initialData: numbers,
+            stream: streamController.stream,
+            builder: (context, snapshot) {
+              List<int> numbers = snapshot.data;
+              int counter = 0;
+              screen_width = MediaQuery.of(context).size.width;
+              screen_height = MediaQuery.of(context).size.height;
+              switch (currentPlotStyle) {
+                case 'bar':
+                  return Row(
+                    children: numbers.map((int num) {
+                      counter++;
+                      return Container(
+                        child: CustomPaint(
+                          painter: BarPainter(
+                              index: counter,
+                              value: num,
+                              width: MediaQuery.of(context).size.width /
+                                  sampleSize),
+                        ),
+                      );
+                    }).toList(),
+                  );
+                  break;
+                case 'dot':
+                  return Row(
+                    children: numbers.map((int num) {
+                      counter++;
+                      return Container(
+                        child: CustomPaint(
+                          painter: DotPainter(
+                              index: counter,
+                              value: num,
+                              width: MediaQuery.of(context).size.width /
+                                  sampleSize),
+                        ),
+                      );
+                    }).toList(),
+                  );
+                  break;
+                case 'multiple':
+                  return Row(
+                    children: numbers.map((int num) {
+                      counter++;
+                      return Container(
+                        child: CustomPaint(
+                          painter: MultiplePainter(
+                              index: counter,
+                              value: num,
+                              width: MediaQuery.of(context).size.width /
+                                  sampleSize),
+                        ),
+                      );
+                    }).toList(),
+                  );
+                  break;
+                case 'color':
+                  return Row(
+                    children: numbers.map((int num) {
+                      counter++;
+                      return Container(
+                        child: CustomPaint(
+                          painter: ColorPainter(
+                              index: counter,
+                              value: num,
+                              width: MediaQuery.of(context).size.width /
+                                  sampleSize),
+                        ),
+                      );
+                    }).toList(),
+                  );
+                  break;
+                case 'pyramid':
+                  return Row(
+                    children: numbers.map((int num) {
+                      counter++;
+                      return Container(
+                        child: CustomPaint(
+                          painter: PyramidPainter(
+                              index: counter,
+                              value: num,
+                              width: .9 *
+                                  MediaQuery.of(context).size.height /
+                                  sampleSize),
+                        ),
+                      );
+                    }).toList(),
+                  );
+                  break;
+              }
+            }),
+      ),
+    );
+  }
+}