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Allow initialiing a Rive Animation providing the RiveFile.

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Provide a way to set the Key, and check the widget to reconfigure the Rive animation if attributes changed
This commit is contained in:
Maxwell Talbot
2022-08-17 12:22:15 +01:00
parent 8f62c6b629
commit fd7911330e
1 changed files with 61 additions and 8 deletions
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69
lib/src/widgets/rive_animation.dart
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@ -7,6 +7,7 @@ enum _Source {
asset,
network,
file,
riveFile,
}
/// The callback signature for onInit
@ -17,7 +18,10 @@ typedef OnInitCallback = void Function(Artboard);
/// within it are used.
class RiveAnimation extends StatefulWidget {
/// The asset name or url
final String name;
final String? name;
/// The Rive File object
final RiveFile? file;
/// The type of source used to retrieve the asset
final _Source src;
@ -62,7 +66,10 @@ class RiveAnimation extends StatefulWidget {
this.antialiasing = true,
this.controllers = const [],
this.onInit,
}) : src = _Source.asset;
Key? key,
}) : file = null,
src = _Source.asset,
super(key: key);
const RiveAnimation.network(
this.name, {
@ -75,7 +82,10 @@ class RiveAnimation extends StatefulWidget {
this.antialiasing = true,
this.controllers = const [],
this.onInit,
}) : src = _Source.network;
Key? key,
}) : file = null,
src = _Source.network,
super(key: key);
const RiveAnimation.file(
this.name, {
@ -88,7 +98,26 @@ class RiveAnimation extends StatefulWidget {
this.antialiasing = true,
this.controllers = const [],
this.onInit,
}) : src = _Source.file;
Key? key,
}) : file = null,
src = _Source.file,
super(key: key);
const RiveAnimation.riveFile(
this.file, {
this.artboard,
this.animations = const [],
this.stateMachines = const [],
this.fit,
this.alignment,
this.placeHolder,
this.antialiasing = true,
this.controllers = const [],
this.onInit,
Key? key,
}) : name = null,
src = _Source.riveFile,
super(key: key);
@override
_RiveAnimationState createState() => _RiveAnimationState();
@ -104,16 +133,40 @@ class _RiveAnimationState extends State<RiveAnimation> {
@override
void initState() {
super.initState();
_configure();
}
void _configure() {
if (widget.src == _Source.asset) {
RiveFile.asset(widget.name).then(_init);
RiveFile.asset(widget.name!).then(_init);
} else if (widget.src == _Source.network) {
RiveFile.network(widget.name).then(_init);
RiveFile.network(widget.name!).then(_init);
} else if (widget.src == _Source.file) {
RiveFile.file(widget.name).then(_init);
RiveFile.file(widget.name!).then(_init);
} else if (widget.src == _Source.riveFile) {
_init(widget.file!);
}
}
@override
void didUpdateWidget(covariant RiveAnimation oldWidget) {
if (widget.alignment != oldWidget.alignment ||
widget.animations != oldWidget.animations ||
widget.antialiasing != oldWidget.antialiasing ||
widget.artboard != oldWidget.artboard ||
widget.controllers != oldWidget.controllers ||
widget.file != oldWidget.file ||
widget.fit != oldWidget.fit ||
widget.name != oldWidget.name ||
widget.onInit != oldWidget.onInit ||
widget.placeHolder != oldWidget.placeHolder ||
widget.src != oldWidget.src ||
widget.stateMachines != oldWidget.stateMachines) {
setState(_configure);
}
super.didUpdateWidget(oldWidget);
}
/// Initializes the artboard, animations, state machines and controllers
void _init(RiveFile file) {
if (!mounted) {
@ -156,7 +209,7 @@ class _RiveAnimationState extends State<RiveAnimation> {
}
});
// Add any user-created contollers
// Add any user-created controllers
widget.controllers.forEach(artboard.addController);
setState(() => _artboard = artboard);