getroute.dart
7.97 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
import 'package:flutter/material.dart';
import 'transitions_type.dart';
class GetRoute<T> extends PageRouteBuilder<T> {
/// Construct a Modified PageRoute whose contents are defined by child.
/// The values of [child], [maintainState], [opaque], and [fullScreenDialog] must not
/// be null.
GetRoute({
Key key,
RouteSettings settings,
this.opaque = false,
this.maintainState = true,
@required this.page,
this.transition = Transition.fade,
this.curve = Curves.linear,
this.alignment,
this.duration = const Duration(milliseconds: 400),
bool fullscreenDialog = false,
}) : assert(page != null),
assert(maintainState != null),
assert(fullscreenDialog != null),
assert(opaque != null),
super(
fullscreenDialog: fullscreenDialog,
pageBuilder: (BuildContext context, Animation<double> animation,
Animation<double> secondaryAnimation) {
return page;
},
transitionDuration: duration,
settings: settings,
transitionsBuilder: (BuildContext context,
Animation<double> animation,
Animation<double> secondaryAnimation,
Widget child) {
switch (transition) {
case Transition.fade:
return FadeTransition(opacity: animation, child: child);
break;
case Transition.rightToLeft:
return SlideTransition(
transformHitTests: false,
position: new Tween<Offset>(
begin: const Offset(1.0, 0.0),
end: Offset.zero,
).animate(animation),
child: new SlideTransition(
position: new Tween<Offset>(
begin: Offset.zero,
end: const Offset(-1.0, 0.0),
).animate(secondaryAnimation),
child: child,
),
);
break;
case Transition.leftToRight:
return SlideTransition(
transformHitTests: false,
position: Tween<Offset>(
begin: const Offset(-1.0, 0.0),
end: Offset.zero,
).animate(animation),
child: new SlideTransition(
position: new Tween<Offset>(
begin: Offset.zero,
end: const Offset(1.0, 0.0),
).animate(secondaryAnimation),
child: child,
),
);
break;
case Transition.upToDown:
return SlideTransition(
transformHitTests: false,
position: Tween<Offset>(
begin: const Offset(0.0, -1.0),
end: Offset.zero,
).animate(animation),
child: new SlideTransition(
position: new Tween<Offset>(
begin: Offset.zero,
end: const Offset(0.0, 1.0),
).animate(secondaryAnimation),
child: child,
),
);
break;
case Transition.downToUp:
return SlideTransition(
transformHitTests: false,
position: Tween<Offset>(
begin: const Offset(0.0, 1.0),
end: Offset.zero,
).animate(animation),
child: new SlideTransition(
position: new Tween<Offset>(
begin: Offset.zero,
end: const Offset(0.0, -1.0),
).animate(secondaryAnimation),
child: child,
),
);
break;
case Transition.scale:
return ScaleTransition(
alignment: alignment,
scale: CurvedAnimation(
parent: animation,
curve: Interval(
0.00,
0.50,
curve: curve,
),
),
child: child,
);
break;
case Transition.rotate:
return RotationTransition(
alignment: alignment,
turns: animation,
child: ScaleTransition(
alignment: alignment,
scale: animation,
child: FadeTransition(
opacity: animation,
child: child,
),
),
);
break;
case Transition.size:
return Align(
alignment: alignment,
child: SizeTransition(
sizeFactor: CurvedAnimation(
parent: animation,
curve: curve,
),
child: child,
),
);
break;
case Transition.rightToLeftWithFade:
return SlideTransition(
position: Tween<Offset>(
begin: const Offset(1.0, 0.0),
end: Offset.zero,
).animate(animation),
child: FadeTransition(
opacity: animation,
child: SlideTransition(
position: Tween<Offset>(
begin: Offset.zero,
end: const Offset(-1.0, 0.0),
).animate(secondaryAnimation),
child: child,
),
),
);
break;
case Transition.leftToRightWithFade:
return SlideTransition(
position: Tween<Offset>(
begin: const Offset(-1.0, 0.0),
end: Offset.zero,
).animate(animation),
child: FadeTransition(
opacity: animation,
child: SlideTransition(
position: Tween<Offset>(
begin: Offset.zero,
end: const Offset(1.0, 0.0),
).animate(secondaryAnimation),
child: child,
),
),
);
break;
default:
return FadeTransition(opacity: animation, child: child);
}
});
@override
final bool maintainState;
/// Allows you to set opaque to false to prevent route reconstruction.
@override
final bool opaque;
@override
Duration get transitionDuration => const Duration(milliseconds: 300);
@override
Color get barrierColor => null;
@override
String get barrierLabel => null;
// @override
// bool canTransitionFrom(TransitionRoute<dynamic> previousRoute) {
// return previousRoute is GetRoute || previousRoute is CupertinoPageRoute;
// }
// @override
// bool canTransitionTo(TransitionRoute<dynamic> nextRoute) {
// // Don't perform outgoing animation if the next route is a fullscreen dialog.
// return (nextRoute is GetRoute && !nextRoute.fullscreenDialog) ||
// (nextRoute is CupertinoPageRoute && !nextRoute.fullscreenDialog);
// }
@override
String get debugLabel => '${super.debugLabel}(${settings.name})';
final Widget page;
final Transition transition;
final Curve curve;
final Alignment alignment;
final Duration duration;
}