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PanelController can now addListeners so user can listen for updates #194

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PanelController can now addListeners so user can listen for updates #194

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c87c77c
Compatibility with 1.20.3 VelocityTracker fix
MATTYGILO Sep 13, 2020
9ab2293
Make Change notifier
MATTYGILO Dec 20, 2020
185da24
Notify listeners when there is an update
MATTYGILO Dec 20, 2020
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12 changes: 9 additions & 3 deletions lib/src/panel.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -215,14 +215,17 @@ class _SlidingUpPanelState extends State<SlidingUpPanel> with SingleTickerProvid

ScrollController _sc;
bool _scrollingEnabled = false;
VelocityTracker _vt = new VelocityTracker();
PointerDeviceKind _pointerDeviceKind = PointerDeviceKind.unknown;
VelocityTracker _vt;

bool _isPanelVisible = true;

@override
void initState(){
super.initState();

_vt = new VelocityTracker(_pointerDeviceKind);

_ac = new AnimationController(
vsync: this,
duration: const Duration(milliseconds: 300),
Expand All @@ -233,6 +236,9 @@ class _SlidingUpPanelState extends State<SlidingUpPanel> with SingleTickerProvid
if(widget.onPanelOpened != null && _ac.value == 1.0) widget.onPanelOpened();

if(widget.onPanelClosed != null && _ac.value == 0.0) widget.onPanelClosed();

//Notify listeners when the panel is sliding
widget.controller.notifyListeners();
});

// prevent the panel content from being scrolled only if the widget is
Expand Down Expand Up @@ -605,7 +611,7 @@ class _SlidingUpPanelState extends State<SlidingUpPanel> with SingleTickerProvid



class PanelController{
class PanelController extends ChangeNotifier {
_SlidingUpPanelState _panelState;

void _addState(_SlidingUpPanelState panelState){
Expand Down Expand Up @@ -712,4 +718,4 @@ class PanelController{
return _panelState._isPanelShown;
}

}
}