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Side by Side Diff: third_party/pkg/angular/demo/bouncing_balls/web/bouncy_balls.dart

Issue 256553002: Revert "Update all Angular libs (run update_all.sh)." (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 6 years, 8 months ago
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1 import 'package:angular/angular.dart'; 1 import 'package:angular/angular.dart';
2 import 'package:angular/application_factory.dart';
3 import 'dart:html'; 2 import 'dart:html';
4 import 'dart:math'; 3 import 'dart:math';
5 import 'dart:core'; 4 import 'dart:core';
6 5
7 var random = new Random(); 6 var random = new Random();
8 var width = 400; 7 var width = 400;
9 var height = 400; 8 var height = 400;
10 var speed = .05; 9 var speed = .05;
11 10
12 class BallModel { 11 class BallModel {
13 var x = width * random.nextDouble(); 12 var x = width * random.nextDouble();
14 var y = height * random.nextDouble(); 13 var y = height * random.nextDouble();
15 var velX = 2 * speed * random.nextDouble() - speed; 14 var velX = 2 * speed * random.nextDouble() - speed;
16 var velY = 2 * speed * random.nextDouble() - speed; 15 var velY = 2 * speed * random.nextDouble() - speed;
17 var color = BallModel._color(); 16 var color = BallModel._color();
18 17
19 static _color() { 18 static _color() {
20 var color = '#'; 19 var color = '#';
21 for(var i = 0; i < 6; i++) { 20 for(var i = 0; i < 6; i++) {
22 color += (16 * random.nextDouble()).floor().toRadixString(16); 21 color += (16 * random.nextDouble()).floor().toRadixString(16);
23 } 22 }
24 return color; 23 return color;
25 } 24 }
26 25
27 } 26 }
28 27
29 @Controller( 28 @NgController(
30 selector: '[bounce-controller]', 29 selector: '[bounce-controller]',
31 publishAs: 'bounce') 30 publishAs: 'bounce')
32 class BounceController { 31 class BounceController {
33 var lastTime = window.performance.now(); 32 var lastTime = window.performance.now();
34 var run = false; 33 var run = true;
35 var fps = 0; 34 var fps = 0;
36 var digestTime = 0; 35 var digestTime = 0;
37 var currentDigestTime = 0; 36 var currentDigestTime = 0;
38 var balls = []; 37 var balls = [];
38 final NgZone zone;
39 final Scope scope; 39 final Scope scope;
40 var ballClassName = 'ball'; 40 var ballClassName = 'ball';
41 41
42 BounceController(this.scope) { 42 BounceController(this.zone, this.scope) {
43 changeCount(100); 43 changeCount(100);
44 if (run) tick(); 44 tick();
45 } 45 }
46 46
47 void toggleCSS() { 47 void toggleCSS() {
48 ballClassName = ballClassName == '' ? 'ball' : ''; 48 ballClassName = ballClassName == '' ? 'ball' : '';
49 } 49 }
50 50
51 void playPause() { 51 void playPause() {
52 run = !run; 52 run = !run;
53 if (run) requestAnimationFrame(tick); 53 if (run) requestAnimationFrame(tick);
54 } 54 }
55 55
56 void requestAnimationFrame(fn) { 56 void requestAnimationFrame(fn) {
57 window.requestAnimationFrame((_) => fn()); 57 window.requestAnimationFrame((_) => zone.run(fn));
58 } 58 }
59 59
60 void changeCount(count) { 60 void changeCount(count) {
61 while(count > 0) { 61 while(count > 0) {
62 balls.add(new BallModel()); 62 balls.add(new BallModel());
63 count--; 63 count--;
64 } 64 }
65 while(count < 0 && balls.isNotEmpty) { 65 while(count < 0 && balls.isNotEmpty) {
66 balls.removeAt(0); 66 balls.removeAt(0);
67 count++; 67 count++;
(...skipping 22 matching lines...) Expand all
90 if (b.y < 0) { b.y *= -1; b.velY *= -1; } 90 if (b.y < 0) { b.y *= -1; b.velY *= -1; }
91 if (b.x > width) { b.x = 2*width - b.x; b.velX *= -1; } 91 if (b.x > width) { b.x = 2*width - b.x; b.velX *= -1; }
92 if (b.y > height) { b.y = 2*height - b.y; b.velY *= -1; } 92 if (b.y > height) { b.y = 2*height - b.y; b.velY *= -1; }
93 } 93 }
94 lastTime = now; 94 lastTime = now;
95 timeDigest(); 95 timeDigest();
96 if (run) requestAnimationFrame(tick); 96 if (run) requestAnimationFrame(tick);
97 } 97 }
98 } 98 }
99 99
100 List<String> _CACHE = new List.generate(500, (i) => '${i}px'); 100 @NgDirective(
101
102 @Decorator(
103 selector: '[ball-position]', 101 selector: '[ball-position]',
104 map: const { 102 map: const {
105 "ball-position": '=>position'}, 103 "ball-position": '=>position'})
106 exportExpressions: const ['x', 'y']) 104 class BallPositionDirective {
107 class BallPosition {
108 final Element element; 105 final Element element;
109 final Scope scope; 106 final Scope scope;
110 BallPosition(this.element, this.scope); 107 BallPositionDirective(this.element, this.scope);
111
112 px(x) => _CACHE[max(0, x.round())];
113 108
114 set position(BallModel model) { 109 set position(BallModel model) {
115 var style = element.style; 110 element.style.backgroundColor = model.color;
116 style.backgroundColor = model.color;
117 scope 111 scope
118 ..watch('x', (x, _) => element.style.left = '${x + 10}px', 112 ..watch('x', (x, _) => element.style.left = '${x + 10}px', context: mode l, readOnly: true)
119 context: model, canChangeModel: false) 113 ..watch('y', (y, _) => element.style.top = '${y + 10}px', context: model , readOnly: true);
120 ..watch('y', (y, _) => element.style.top = '${y + 10}px',
121 context: model, canChangeModel: false);
122 } 114 }
123 } 115 }
124 116
125 class MyModule extends Module { 117 class MyModule extends Module {
126 MyModule() { 118 MyModule() {
127 type(BounceController); 119 type(BounceController);
128 type(BallPosition); 120 type(BallPositionDirective);
121 value(GetterCache, new GetterCache({
122 'x': (o) => o.x,
123 'y': (o) => o.y,
124 'bounce': (o) => o.bounce,
125 'fps': (o) => o.fps,
126 'balls': (o) => o.balls,
127 'length': (o) => o.length,
128 'digestTime': (o) => o.digestTime,
129 'ballClassName': (o) => o.ballClassName
130 }));
131 value(ScopeStats, new ScopeStats(report: true));
129 } 132 }
130 } 133 }
131 134
132 main() { 135 main() {
133 applicationFactory().addModule(new MyModule()).run(); 136 ngBootstrap(module: new MyModule());
134 } 137 }
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