Update project

2026-07-23 15:36:11 +05:30
parent 1197cfc161
commit 14fffa40c6
84 changed files with 20918 additions and 2761 deletions
--- a/lib/widgets/fav_button.dart
+++ b/lib/widgets/fav_button.dart
@@ -0,0 +1,118 @@
+import 'dart:math';
+import 'package:flutter/material.dart';
+
+class FavButton extends StatefulWidget {
+  final bool initialValue;
+  final ValueChanged<bool>? onChanged;
+  final double size;
+
+  const FavButton({
+    super.key,
+    this.initialValue = false,
+    this.onChanged,
+    this.size = 40,
+  });
+
+  @override
+  State<FavButton> createState() => _FavButtonState();
+}
+
+class _FavButtonState extends State<FavButton>
+    with SingleTickerProviderStateMixin {
+  late bool _isFav;
+  late AnimationController _ctrl;
+  late Animation<double> _scale;
+  late Animation<double> _particleProgress;
+
+  @override
+  void initState() {
+    super.initState();
+    _isFav = widget.initialValue;
+    _ctrl = AnimationController(
+      vsync: this,
+      duration: const Duration(milliseconds: 450),
+    );
+    _scale = TweenSequence([
+      TweenSequenceItem(
+        tween: Tween(begin: 1.0, end: 1.4)
+            .chain(CurveTween(curve: Curves.easeOut)),
+        weight: 40,
+      ),
+      TweenSequenceItem(
+        tween: Tween(begin: 1.4, end: 1.0)
+            .chain(CurveTween(curve: Curves.elasticOut)),
+        weight: 60,
+      ),
+    ]).animate(_ctrl);
+    _particleProgress =
+        CurvedAnimation(parent: _ctrl, curve: Curves.easeOut);
+  }
+
+  @override
+  void dispose() {
+    _ctrl.dispose();
+    super.dispose();
+  }
+
+  void _toggle() {
+    setState(() => _isFav = !_isFav);
+    widget.onChanged?.call(_isFav);
+    if (_isFav) _ctrl.forward(from: 0);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: _toggle,
+      child: AnimatedBuilder(
+        animation: _ctrl,
+        builder: (context, child) => CustomPaint(
+          painter: _isFav ? _BurstPainter(_particleProgress.value) : null,
+          child: Transform.scale(
+            scale: _isFav ? _scale.value : 1.0,
+            child: Container(
+              width: widget.size,
+              height: widget.size,
+              decoration: BoxDecoration(
+                color: _isFav
+                    ? Colors.red.withOpacity(0.1)
+                    : Colors.transparent,
+                shape: BoxShape.circle,
+              ),
+              child: Icon(
+                _isFav
+                    ? Icons.favorite_rounded
+                    : Icons.favorite_border_rounded,
+                size: widget.size * 0.5,
+                color: _isFav ? Colors.redAccent : Colors.grey,
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class _BurstPainter extends CustomPainter {
+  final double progress;
+  _BurstPainter(this.progress);
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    if (progress == 0) return;
+    final center = Offset(size.width / 2, size.height / 2);
+    final paint = Paint()
+      ..color = Colors.redAccent.withOpacity(1 - progress);
+    const count = 7;
+    for (int i = 0; i < count; i++) {
+      final angle = (i / count) * 2 * pi;
+      final dist = progress * 24;
+      final pos = center + Offset(dist * cos(angle), dist * sin(angle));
+      canvas.drawCircle(pos, 3 * (1 - progress * 0.5), paint);
+    }
+  }
+
+  @override
+  bool shouldRepaint(_BurstPainter old) => old.progress != progress;
+}