hyperzlib
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flutter_slider_drawer
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♻️ code refactor

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master
NikhilVadoliya 4 years ago
parent e984f7eba5
commit bc279be86f
6 changed files with 186 additions and 115 deletions
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2
lib/flutter_slider_drawer.dart
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@ -1,4 +1,4 @@
library flutter_slider_drawer;
export 'package:flutter_slider_drawer/src/slider_open.dart';
export 'package:flutter_slider_drawer/src/slider_direction.dart';
export 'package:flutter_slider_drawer/src/slider.dart';

76
lib/src/app_bar.dart
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@ -0,0 +1,76 @@
import 'package:flutter/material.dart';
import 'package:flutter_slider_drawer/src/slider_direction.dart';
class SliderAppBar extends StatelessWidget {
final EdgeInsets appBarPadding;
final Color appBarColor;
final Widget drawerIcon;
final Color splashColor;
final Color drawerIconColor;
final double drawerIconSize;
final double appBarHeight;
final AnimationController animationController;
final VoidCallback onTap;
final Widget title;
final bool isTitleCenter;
final Widget trailing;
final SlideDirection slideDirection;
const SliderAppBar(
{Key key,
this.appBarPadding,
this.appBarColor,
this.drawerIcon,
this.splashColor,
this.drawerIconColor,
this.drawerIconSize,
this.animationController,
this.onTap,
this.title,
this.isTitleCenter,
this.trailing,
this.slideDirection, this.appBarHeight})
: super(key: key);
@override
Widget build(BuildContext context) {
return Container(
height: appBarHeight,
padding: appBarPadding ?? const EdgeInsets.only(top: 24),
color: appBarColor,
child: Row(
children: appBar(),
),
);
}
List<Widget> appBar() {
List<Widget> list = [
drawerIcon ??
IconButton(
splashColor: splashColor ?? Colors.black,
icon: AnimatedIcon(
icon: AnimatedIcons.menu_close,
color: drawerIconColor,
size: drawerIconSize,
progress: animationController),
onPressed: () => onTap()),
Expanded(
child: isTitleCenter
? Center(
child: title,
)
: title,
),
trailing ??
SizedBox(
width: 35,
)
];
if (slideDirection == SlideDirection.RIGHT_TO_LEFT) {
return list.reversed.toList();
}
return list;
}
}

36
lib/src/helper/utils.dart
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@ -0,0 +1,36 @@
import 'dart:ui';
import 'package:flutter_slider_drawer/flutter_slider_drawer.dart';
class Utils {
///
/// This method get Offset base on [sliderOpen] type
///
static Offset getOffsetValues(SlideDirection direction, double value) {
switch (direction) {
case SlideDirection.LEFT_TO_RIGHT:
return Offset(value, 0);
case SlideDirection.RIGHT_TO_LEFT:
return Offset(-value, 0);
case SlideDirection.TOP_TO_BOTTOM:
return Offset(0, value);
default:
return Offset(value, 0);
}
}
static Offset getOffsetValueForShadow(
SlideDirection direction, double value, double slideOpenWidth) {
switch (direction) {
case SlideDirection.LEFT_TO_RIGHT:
return Offset(value - (slideOpenWidth > 50 ? 20 : 10), 0);
case SlideDirection.RIGHT_TO_LEFT:
return Offset(-value - 5, 0);
case SlideDirection.TOP_TO_BOTTOM:
return Offset(0, value - (slideOpenWidth > 50 ? 15 : 5));
default:
return Offset(value - 30.0, 0);
}
}
}

34
lib/src/menu_bar.dart
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@ -0,0 +1,34 @@
import 'package:flutter/material.dart';
import 'package:flutter_slider_drawer/src/slider_direction.dart';
///
/// Build and Align the Menu widget based on the slide open type
///
class SlideMenuBar extends StatelessWidget {
final SlideDirection slideDirection;
final double sliderMenuOpenSize;
final Widget sliderMenu;
const SlideMenuBar(
{Key key, this.slideDirection, this.sliderMenuOpenSize, this.sliderMenu})
: super(key: key);
@override
Widget build(BuildContext context) {
var container = Container(
width: sliderMenuOpenSize,
child: sliderMenu,
);
switch (slideDirection) {
case SlideDirection.LEFT_TO_RIGHT:
return container;
break;
case SlideDirection.RIGHT_TO_LEFT:
return Positioned(right: 0, top: 0, bottom: 0, child: container);
case SlideDirection.TOP_TO_BOTTOM:
return Positioned(right: 0, left: 0, top: 0, child: container);
break;
}
return Container();
}
}

149
lib/src/slider.dart
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@ -1,6 +1,9 @@
import 'package:flutter/animation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_slider_drawer/flutter_slider_drawer.dart';
import 'package:flutter_slider_drawer/src/app_bar.dart';
import 'package:flutter_slider_drawer/src/menu_bar.dart';
import 'package:flutter_slider_drawer/src/helper/utils.dart';
import 'package:flutter_slider_drawer/src/slider_direction.dart';
class SliderMenuContainer extends StatefulWidget {
final Widget sliderMenu;
@ -9,6 +12,7 @@ class SliderMenuContainer extends StatefulWidget {
final double sliderMenuOpenSize;
final double sliderMenuCloseSize;
final bool hasAppBar;
final Color drawerIconColor;
final Widget drawerIcon;
final double drawerIconSize;
@ -41,13 +45,14 @@ class SliderMenuContainer extends StatefulWidget {
this.appBarPadding,
this.title,
this.drawerIconSize = 27,
this.appBarHeight,
this.appBarHeight = 70,
this.sliderMenuCloseSize = 0,
this.slideDirection = SlideDirection.LEFT_TO_RIGHT,
this.isShadow = false,
this.shadowColor = Colors.grey,
this.shadowBlurRadius = 25.0,
this.shadowSpreadRadius = 5.0,
this.hasAppBar = true,
}) : assert(sliderMenu != null),
assert(sliderMain != null),
super(key: key);
@ -66,14 +71,13 @@ class SliderMenuContainerState extends State<SliderMenuContainer>
/// check whether drawer is open
bool get isDrawerOpen => _animationDrawerController.isCompleted;
/// it's provide [animationController] for handle and lister drawer animation
AnimationController get animationController => _animationDrawerController;
/// Toggle drawer
void toggle() {
_animationDrawerController.isCompleted
void toggle() => _animationDrawerController.isCompleted
? _animationDrawerController.reverse()
: _animationDrawerController.forward();
}
/// Open drawer
void openDrawer() => _animationDrawerController.forward();
@ -102,16 +106,20 @@ class SliderMenuContainerState extends State<SliderMenuContainer>
return Container(
child: Stack(children: <Widget>[
/// Display Menu
menuWidget(),
SlideMenuBar(
slideDirection: widget.slideDirection,
sliderMenu: widget.sliderMenu,
sliderMenuOpenSize: widget.sliderMenuOpenSize,
),
/// Dev -Displaying the shadow
/// Displaying the shadow
if (widget.isShadow) ...[
AnimatedBuilder(
animation: _animationDrawerController,
builder: (anim, child) {
return Transform.translate(
offset: getOffsetValueForShadow(
widget.slideDirection, animation.value),
offset: Utils.getOffsetValueForShadow(widget.slideDirection,
animation.value, widget.sliderMenuOpenSize),
child: child,
);
return child;
@ -125,8 +133,8 @@ class SliderMenuContainerState extends State<SliderMenuContainer>
blurRadius: widget.shadowBlurRadius, // soften the shadow
spreadRadius: widget.shadowSpreadRadius, //extend the shadow
offset: Offset(
15.0, // Move to right 10 horizontally
15.0, // Move to bottom 10 Vertically
15.0, // Move to right 15 horizontally
15.0, // Move to bottom 15 Vertically
),
)
]),
@ -134,12 +142,13 @@ class SliderMenuContainerState extends State<SliderMenuContainer>
),
],
//Dev- Display Main Screen
//Display Main Screen
AnimatedBuilder(
animation: _animationDrawerController,
builder: (anim, child) {
return Transform.translate(
offset: getOffsetValues(widget.slideDirection, animation.value),
offset:
Utils.getOffsetValues(widget.slideDirection, animation.value),
child: child,
);
},
@ -149,12 +158,21 @@ class SliderMenuContainerState extends State<SliderMenuContainer>
color: widget.appBarColor,
child: Column(
children: <Widget>[
Container(
padding: widget.appBarPadding ?? const EdgeInsets.only(top: 24),
color: widget.appBarColor,
child: Row(
children: appBar(),
),
if (widget.hasAppBar)
SliderAppBar(
slideDirection: widget.slideDirection,
onTap: () => toggle(),
appBarHeight: widget.appBarHeight,
animationController: _animationDrawerController,
appBarColor: widget.appBarColor,
appBarPadding: widget.appBarPadding,
drawerIcon: widget.drawerIcon,
drawerIconColor: widget.drawerIconColor,
drawerIconSize: widget.drawerIconSize,
isTitleCenter: widget.isTitleCenter,
splashColor: widget.splashColor,
title: widget.title ?? '',
trailing: widget.trailing,
),
Expanded(child: widget.sliderMain),
],
@ -164,99 +182,6 @@ class SliderMenuContainerState extends State<SliderMenuContainer>
]));
}
List<Widget> appBar() {
List<Widget> list = [
widget.drawerIcon ??
IconButton(
splashColor: widget.splashColor ?? Colors.black,
icon: AnimatedIcon(
icon: AnimatedIcons.menu_close,
color: widget.drawerIconColor,
size: widget.drawerIconSize,
progress: _animationDrawerController),
onPressed: () => toggle()),
Expanded(
child: widget.isTitleCenter
? Center(
child: widget.title,
)
: widget.title,
),
widget.trailing ??
SizedBox(
width: 35,
)
];
if (widget.slideDirection == SlideDirection.RIGHT_TO_LEFT) {
return list.reversed.toList();
}
return list;
}
/// Build and Align the Menu widget based on the slide open type
menuWidget() {
switch (widget.slideDirection) {
case SlideDirection.LEFT_TO_RIGHT:
return Container(
width: widget.sliderMenuOpenSize,
child: widget.sliderMenu,
);
break;
case SlideDirection.RIGHT_TO_LEFT:
return Positioned(
right: 0,
top: 0,
bottom: 0,
child: Container(
width: widget.sliderMenuOpenSize,
child: widget.sliderMenu,
),
);
case SlideDirection.TOP_TO_BOTTOM:
return Positioned(
right: 0,
left: 0,
top: 0,
child: Container(
width: widget.sliderMenuOpenSize,
child: widget.sliderMenu,
),
);
break;
}
}
///
/// This method get Offset base on [sliderOpen] type
///
Offset getOffsetValues(SlideDirection direction, double value) {
switch (direction) {
case SlideDirection.LEFT_TO_RIGHT:
return Offset(value, 0);
case SlideDirection.RIGHT_TO_LEFT:
return Offset(-value, 0);
case SlideDirection.TOP_TO_BOTTOM:
return Offset(0, value);
default:
return Offset(value, 0);
}
}
Offset getOffsetValueForShadow(SlideDirection direction, double value) {
switch (direction) {
case SlideDirection.LEFT_TO_RIGHT:
return Offset(value - (widget.sliderMenuOpenSize > 50 ? 20 : 10), 0);
case SlideDirection.RIGHT_TO_LEFT:
return Offset(-value - 5, 0);
case SlideDirection.TOP_TO_BOTTOM:
return Offset(0, value - (widget.sliderMenuOpenSize > 50 ? 15 : 5));
default:
return Offset(value - 30.0, 0);
}
}
@override
void dispose() {
super.dispose();

0
lib/src/slider_open.dart → lib/src/slider_direction.dart
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