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add two features #23

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add two features #23

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108 changes: 61 additions & 47 deletions lib/src/weslide.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -118,6 +118,10 @@ class WeSlide extends StatefulWidget {
/// By default is true
final bool hidePanelHeader;

final bool openOnPanelHeaderTaped;

final Function()? onSwipeDownWhileClosed;

/// This is the value that defines if you want to enable paralax effect.
/// By default is false
final bool parallax;
Expand Down Expand Up @@ -188,6 +192,8 @@ class WeSlide extends StatefulWidget {
this.appBarHeight = 80.0,
this.hideFooter = true,
this.hidePanelHeader = true,
this.openOnPanelHeaderTaped = false,
this.onSwipeDownWhileClosed,
this.parallax = false,
this.transformScale = false,
this.overlay = false,
Expand All @@ -199,13 +205,14 @@ class WeSlide extends StatefulWidget {
this.animateDuration = const Duration(milliseconds: 300),
this.controller,
this.footerController,

}) : /*assert(body != null, 'body could not be null'),*/
assert(panelMinSize >= 0.0, 'panelMinSize cannot be negative'),
assert(footerHeight >= 0.0, 'footerHeight cannot be negative'),
assert(appBarHeight >= 0.0, 'appBarHeight cannot be negative'),
assert(panel != null, 'panel could not be null'),
assert(panelMaxSize >= panelMinSize,
'panelMaxSize cannot be less than panelMinSize'),
'panelMaxSize cannot be less than panelMinSize'),
fadeSequence = fadeSequence ??
[
TweenSequenceItem<double>(
Expand Down Expand Up @@ -250,10 +257,10 @@ class _WeSlideState extends State<WeSlide> with TickerProviderStateMixin {
// Check if panel is visible
bool get _isPanelVisible =>
_ac.status == AnimationStatus.completed ||
_ac.status == AnimationStatus.forward;
_ac.status == AnimationStatus.forward;
bool get _isFooterVisible =>
_acFooter.status == AnimationStatus.completed ||
_acFooter.status == AnimationStatus.forward;
_acFooter.status == AnimationStatus.forward;

@override
void initState() {
Expand All @@ -272,19 +279,19 @@ class _WeSlideState extends State<WeSlide> with TickerProviderStateMixin {
// panel Border radius animation

_panelBorderRadius = Tween<double>(
begin: widget.panelBorderRadiusBegin,
end: widget.panelBorderRadiusEnd)
begin: widget.panelBorderRadiusBegin,
end: widget.panelBorderRadiusEnd)
.animate(_ac);
// body border radius animation

_bodyBorderRadius = Tween<double>(
begin: widget.bodyBorderRadiusBegin,
end: widget.bodyBorderRadiusEnd)
begin: widget.bodyBorderRadiusBegin,
end: widget.bodyBorderRadiusEnd)
.animate(_ac);
// Transform scale animation

_scaleAnimation = Tween<double>(
begin: widget.transformScaleBegin, end: widget.transformScaleEnd)
begin: widget.transformScaleBegin, end: widget.transformScaleEnd)
.animate(_ac);
// Fade Animation sequence
_fadeAnimation = TweenSequence(widget.fadeSequence).animate(_ac);
Expand Down Expand Up @@ -334,7 +341,13 @@ class _WeSlideState extends State<WeSlide> with TickerProviderStateMixin {
if (widget.isUpSlide == false && _effectiveController.value == false) {
return;
}

_ac.value -= 1.5 * fractionDragged;

if(updateDetails.delta.direction > 1 && !_effectiveController.isOpened ){
widget.onSwipeDownWhileClosed?.call();
}

}

/// Gesture Vertical End [GestureDetector]
Expand Down Expand Up @@ -372,8 +385,8 @@ class _WeSlideState extends State<WeSlide> with TickerProviderStateMixin {
(widget.panelMaxSize - maxSize) / widget.panelMaxSize;

return Tween<Offset>(
begin: Offset(0.0, _closedPercentage),
end: Offset(0.0, _openPercentage))
begin: Offset(0.0, _closedPercentage),
end: Offset(0.0, _openPercentage))
.animate(_ac);
}

Expand Down Expand Up @@ -404,7 +417,7 @@ class _WeSlideState extends State<WeSlide> with TickerProviderStateMixin {
double _getFooterOffset() {
final offset = widget.hideFooter
? (_ac.value * -widget.footerHeight +
(1 - _acFooter.value) * -widget.footerHeight)
(1 - _acFooter.value) * -widget.footerHeight)
: .0;
if (offset < -widget.footerHeight) {
return -widget.footerHeight;
Expand Down Expand Up @@ -509,7 +522,7 @@ class _WeSlideState extends State<WeSlide> with TickerProviderStateMixin {
color: _ac.value == 0.0
? null
: widget.overlayColor
.withOpacity(widget.overlayOpacity * _ac.value),
.withOpacity(widget.overlayOpacity * _ac.value),
);
},
),
Expand Down Expand Up @@ -539,6 +552,7 @@ class _WeSlideState extends State<WeSlide> with TickerProviderStateMixin {
child: GestureDetector(
onVerticalDragUpdate: _handleVerticalUpdate,
onVerticalDragEnd: _handleVerticalEnd,
onTap: widget.openOnPanelHeaderTaped ? () => _effectiveController.show() : (){},
child: AnimatedContainer(
height: widget.panelMaxSize,
width: widget.panelWidth ?? _width,
Expand All @@ -564,18 +578,18 @@ class _WeSlideState extends State<WeSlide> with TickerProviderStateMixin {
/** Panel Header widget **/
widget.panelHeader != null && widget.hidePanelHeader
? FadeTransition(
opacity: _fadeAnimation,
child: ValueListenableBuilder(
valueListenable: _effectiveController,
builder: (_, __, ___) {
return IgnorePointer(
ignoring: _effectiveController.value &&
widget.hidePanelHeader,
child: widget.panelHeader,
);
},
),
)
opacity: _fadeAnimation,
child: ValueListenableBuilder(
valueListenable: _effectiveController,
builder: (_, __, ___) {
return IgnorePointer(
ignoring: _effectiveController.value &&
widget.hidePanelHeader,
child: widget.panelHeader,
);
},
),
)
: const SizedBox.shrink(),
/** panelHeader widget is null ?**/
widget.panelHeader != null && !widget.hidePanelHeader
Expand All @@ -587,33 +601,33 @@ class _WeSlideState extends State<WeSlide> with TickerProviderStateMixin {
// Footer Widget
widget.footer != null
? AnimatedBuilder(
animation: Listenable.merge([_ac, _acFooter]),
builder: (context, child) {
return Positioned(
height: widget.footerHeight,
bottom: _getFooterOffset(),
width: MediaQuery.of(context).size.width,
child: widget.footer!,
);
},
)
animation: Listenable.merge([_ac, _acFooter]),
builder: (context, child) {
return Positioned(
height: widget.footerHeight,
bottom: _getFooterOffset(),
width: MediaQuery.of(context).size.width,
child: widget.footer!,
);
},
)
: const SizedBox.shrink(),
// AppBar
widget.appBar != null
? AnimatedBuilder(
animation: _ac,
builder: (context, child) {
return Positioned(
height: widget.appBarHeight,
top: widget.hideAppBar
? _ac.value * -widget.appBarHeight
: 0.0,
left: 0,
right: 0,
child: widget.appBar!,
);
},
)
animation: _ac,
builder: (context, child) {
return Positioned(
height: widget.appBarHeight,
top: widget.hideAppBar
? _ac.value * -widget.appBarHeight
: 0.0,
left: 0,
right: 0,
child: widget.appBar!,
);
},
)
: const SizedBox.shrink(),
],
),
Expand Down