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[Widget] Add Animated Positioned Widget

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Json 5 年前
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共有 1 个文件被更改，包括 269 次插入 和 0 次删除
  1. 269
      Runtime/widgets/implicit_animations.cs

269
Runtime/widgets/implicit_animations.cs
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}
}
public class AnimatedAlign : ImplicitlyAnimatedWidget {
public AnimatedAlign(
Alignment alignment,
TimeSpan duration,
Widget child = null,
Curve curve = null,
Key key = null
) : base(key: key, curve: curve ?? Curves.linear, duration: duration) {
D.assert(alignment != null);
this.alignment = alignment;
this.child = child;
}
public readonly Alignment alignment;
public readonly Widget child;
public override State createState() {
return new _AnimatedAlignState();
}
public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
base.debugFillProperties(properties: properties);
properties.add(new DiagnosticsProperty<Alignment>("alignment", value: this.alignment));
}
}
class _AnimatedAlignState : AnimatedWidgetBaseState<AnimatedAlign> {
AlignmentTween _alignment;
protected override void forEachTween(TweenVisitor visitor) {
this._alignment = (AlignmentTween) visitor.visit(this, tween: this._alignment,
targetValue: this.widget.alignment, constructor: value => new AlignmentTween(begin: value));
}
public override Widget build(BuildContext context) {
return new Align(
alignment: this._alignment.evaluate(animation: this.animation),
child: this.widget.child
);
}
public override void debugFillProperties(DiagnosticPropertiesBuilder description) {
base.debugFillProperties(properties: description);
description.add(new DiagnosticsProperty<AlignmentTween>("alignment", value: this._alignment, defaultValue: null));
}
}
public class AnimatedPositioned : ImplicitlyAnimatedWidget {
public AnimatedPositioned(
Widget child,
TimeSpan duration,
float? left = null,
float? top = null,
float? right = null,
float? bottom = null,
float? width = null,
float? height = null,
Curve curve = null,
Key key = null
) : base(key: key, curve: curve ?? Curves.linear, duration: duration) {
D.assert(left == null || right == null || width == null);
D.assert(top == null || bottom == null || height == null);
this.child = child;
this.left = left;
this.top = top;
this.right = right;
this.bottom = bottom;
this.width = width;
this.height = height;
}
public static AnimatedPositioned fromRect(
TimeSpan duration,
Widget child = null,
Rect rect = null,
Curve curve = null,
Key key = null
) {
return new AnimatedPositioned(
child: child,
duration: duration,
left: rect.left,
top: rect.top,
right: null,
bottom: null,
width: rect.width,
height: rect.height,
curve: curve ?? Curves.linear,
key: key
);
}
public readonly Widget child;
public readonly float? left;
public readonly float? top;
public readonly float? right;
public readonly float? bottom;
public readonly float? width;
public readonly float? height;
public override State createState() {
return new _AnimatedPositionedState();
}
public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
base.debugFillProperties(properties: properties);
properties.add(new FloatProperty("left", value: this.left, defaultValue: null));
properties.add(new FloatProperty("top", value: this.top, defaultValue: null));
properties.add(new FloatProperty("right", value: this.right, defaultValue: null));
properties.add(new FloatProperty("bottom", value: this.bottom, defaultValue: null));
properties.add(new FloatProperty("width", value: this.width, defaultValue: null));
properties.add(new FloatProperty("height", value: this.height, defaultValue: null));
}
}
class _AnimatedPositionedState : AnimatedWidgetBaseState<AnimatedPositioned> {
Tween<float?> _left;
Tween<float?> _top;
Tween<float?> _right;
Tween<float?> _bottom;
Tween<float?> _width;
Tween<float?> _height;
protected override void forEachTween(TweenVisitor visitor) {
this._left = visitor.visit(this, tween: this._left, targetValue: this.widget.left,
constructor: value => new NullableFloatTween(begin: value));
this._top = visitor.visit(this, tween: this._top, targetValue: this.widget.top,
constructor: value => new NullableFloatTween(begin: value));
this._right = visitor.visit(this, tween: this._right, targetValue: this.widget.right,
constructor: value => new NullableFloatTween(begin: value));
this._bottom = visitor.visit(this, tween: this._bottom, targetValue: this.widget.bottom,
constructor: value => new NullableFloatTween(begin: value));
this._width = visitor.visit(this, tween: this._width, targetValue: this.widget.width,
constructor: value => new NullableFloatTween(begin: value));
this._height = visitor.visit(this, tween: this._height, targetValue: this.widget.height,
constructor: value => new NullableFloatTween(begin: value));
}
public override Widget build(BuildContext context) {
return new Positioned(
child: this.widget.child,
left: this._left?.evaluate(animation: this.animation),
top: this._top?.evaluate(animation: this.animation),
right: this._right?.evaluate(animation: this.animation),
bottom: this._bottom?.evaluate(animation: this.animation),
width: this._width?.evaluate(animation: this.animation),
height: this._height?.evaluate(animation: this.animation)
);
}
public override void debugFillProperties(DiagnosticPropertiesBuilder description) {
base.debugFillProperties(properties: description);
description.add(ObjectFlagProperty<Tween<float?>>.has("left", value: this._left));
description.add(ObjectFlagProperty<Tween<float?>>.has("top", value: this._top));
description.add(ObjectFlagProperty<Tween<float?>>.has("right", value: this._right));
description.add(ObjectFlagProperty<Tween<float?>>.has("bottom", value: this._bottom));
description.add(ObjectFlagProperty<Tween<float?>>.has("width", value: this._width));
description.add(ObjectFlagProperty<Tween<float?>>.has("height", value: this._height));
}
}
public class AnimatedPositionedDirectional : ImplicitlyAnimatedWidget {
public AnimatedPositionedDirectional(
Widget child,
TimeSpan duration,
float? start = null,
float? top = null,
float? end = null,
float? bottom = null,
float? width = null,
float? height = null,
Curve curve = null,
Key key = null
) : base(key: key, curve: curve, duration: duration) {
D.assert(start == null || end == null || width == null);
D.assert(top == null || bottom == null || height == null);
this.child = child;
this.start = start;
this.top = top;
this.end = end;
this.bottom = bottom;
this.width = width;
this.height = height;
}
public readonly Widget child;
public readonly float? start;
public readonly float? top;
public readonly float? end;
public readonly float? bottom;
public readonly float? width;
public readonly float? height;
public override State createState() {
return new _AnimatedPositionedDirectionalState();
}
public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
base.debugFillProperties(properties: properties);
properties.add(new FloatProperty("start", value: this.start, defaultValue: null));
properties.add(new FloatProperty("top", value: this.top, defaultValue: null));
properties.add(new FloatProperty("end", value: this.end, defaultValue: null));
properties.add(new FloatProperty("bottom", value: this.bottom, defaultValue: null));
properties.add(new FloatProperty("width", value: this.width, defaultValue: null));
properties.add(new FloatProperty("height", value: this.height, defaultValue: null));
}
}
class _AnimatedPositionedDirectionalState : AnimatedWidgetBaseState<AnimatedPositionedDirectional> {
Tween<float?> _start;
Tween<float?> _top;
Tween<float?> _end;
Tween<float?> _bottom;
Tween<float?> _width;
Tween<float?> _height;
protected override void forEachTween(TweenVisitor visitor) {
this._start = visitor.visit(this, tween: this._start, targetValue: this.widget.start,
constructor: value => new NullableFloatTween(begin: value));
this._top = visitor.visit(this, tween: this._top, targetValue: this.widget.top,
constructor: value => new NullableFloatTween(begin: value));
this._end = visitor.visit(this, tween: this._end, targetValue: this.widget.end,
constructor: value => new NullableFloatTween(begin: value));
this._bottom = visitor.visit(this, tween: this._bottom, targetValue: this.widget.bottom,
constructor: value => new NullableFloatTween(begin: value));
this._width = visitor.visit(this, tween: this._width, targetValue: this.widget.width,
constructor: value => new NullableFloatTween(begin: value));
this._height = visitor.visit(this, tween: this._height, targetValue: this.widget.height,
constructor: value => new NullableFloatTween(begin: value));
}
public override Widget build(BuildContext context) {
D.assert(WidgetsD.debugCheckHasDirectionality(context));
return Positioned.directional(
textDirection: Directionality.of(context: context),
child: this.widget.child,
start: this._start?.evaluate(animation: this.animation),
top: this._top?.evaluate(animation: this.animation),
end: this._end?.evaluate(animation: this.animation),
bottom: this._bottom?.evaluate(animation: this.animation),
width: this._width?.evaluate(animation: this.animation),
height: this._height?.evaluate(animation: this.animation)
);
}
public override void debugFillProperties(DiagnosticPropertiesBuilder description) {
base.debugFillProperties(properties: description);
description.add(ObjectFlagProperty<Tween<float?>>.has("start", value: this._start));
description.add(ObjectFlagProperty<Tween<float?>>.has("top", value: this._top));
description.add(ObjectFlagProperty<Tween<float?>>.has("end", value: this._end));
description.add(ObjectFlagProperty<Tween<float?>>.has("bottom", value: this._bottom));
description.add(ObjectFlagProperty<Tween<float?>>.has("width", value: this._width));
description.add(ObjectFlagProperty<Tween<float?>>.has("height", value: this._height));
}
}
public class AnimatedOpacity : ImplicitlyAnimatedWidget {
public AnimatedOpacity(
Key key = null,

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