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reorderableitemsview

reorderableitemsview #

A Flutter package for staggered grid view or ListView with ordering support
Info #
This plugin uses most for its code from ReorderableListView
This Plugin combines the ReorderableListView and flutter_staggered_grid_view to provide Draggable behaviour for Staggered GridView
Usage #
To use this plugin, add reorderableitemsview as a dependency in your pubspec.yaml file.
Example Staggered GridView #
import 'package:flutter/material.dart';
import 'package:reorderableitemsview/reorderableitemsview.dart';

class GridPageView extends StatefulWidget {
@override
_GridPageViewState createState() => _GridPageViewState();
}

class _GridPageViewState extends State<GridPageView> {

List<StaggeredTileExtended> _listStaggeredTileExtended = <StaggeredTileExtended>[
StaggeredTileExtended.count(2, 2),
StaggeredTileExtended.count(2, 1),
StaggeredTileExtended.count(1, 2),
StaggeredTileExtended.count(1, 1),
StaggeredTileExtended.count(2, 2),
StaggeredTileExtended.count(1, 2),
StaggeredTileExtended.count(1, 1),
StaggeredTileExtended.count(3, 1),
StaggeredTileExtended.count(1, 1),
StaggeredTileExtended.count(4, 1),
];

List<Widget> _tiles = <Widget>[
_Example01Tile(Key("a"),Colors.green, Icons.widgets),
_Example01Tile(Key("b"),Colors.lightBlue, Icons.wifi),
_Example01Tile(Key("c"),Colors.amber, Icons.panorama_wide_angle),
_Example01Tile(Key("d"),Colors.brown, Icons.map),
_Example01Tile(Key("e"),Colors.deepOrange, Icons.send),
_Example01Tile(Key("f"),Colors.indigo, Icons.airline_seat_flat),
_Example01Tile(Key("g"),Colors.red, Icons.bluetooth),
_Example01Tile(Key("h"),Colors.pink, Icons.battery_alert),
_Example01Tile(Key("i"),Colors.purple, Icons.desktop_windows),
_Example01Tile(Key("j"),Colors.blue, Icons.radio),
];

@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("List Demo"),
),
body: ReorderableItemsView(
onReorder: (int oldIndex, int newIndex) {
setState(() {
_tiles.insert(newIndex, _tiles.removeAt(oldIndex));
});
},
children: _tiles,
crossAxisCount: 4,
isGrid: true,
staggeredTiles: _listStaggeredTileExtended,
longPressToDrag: false,
),
);
}
}

class _Example01Tile extends StatelessWidget {
_Example01Tile(Key key, this.backgroundColor, this.iconData): super(key: key);

final Color backgroundColor;
final IconData iconData;

@override
Widget build(BuildContext context) {
return new Card(
color: backgroundColor,
child: new InkWell(
onTap: () {},
child: new Center(
child: new Padding(
padding: EdgeInsets.all(4.0),
child: new Icon(
iconData,
color: Colors.white,
),
),
),
),
);
}
}
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Example ListView #
import 'package:flutter/material.dart';
import 'package:reorderableitemsview/reorderableitemsview.dart';

class ListPageView extends StatefulWidget {
@override
_ListPageViewState createState() => _ListPageViewState();
}

class _ListPageViewState extends State<ListPageView> {

List<Widget> _tiles = <Widget>[
_Example01Tile(Key("a"),Colors.green, Icons.widgets),
_Example01Tile(Key("b"),Colors.lightBlue, Icons.wifi),
_Example01Tile(Key("c"),Colors.amber, Icons.panorama_wide_angle),
_Example01Tile(Key("d"),Colors.brown, Icons.map),
_Example01Tile(Key("e"),Colors.deepOrange, Icons.send),
_Example01Tile(Key("f"),Colors.indigo, Icons.airline_seat_flat),
_Example01Tile(Key("g"),Colors.red, Icons.bluetooth),
_Example01Tile(Key("h"),Colors.pink, Icons.battery_alert),
_Example01Tile(Key("i"),Colors.purple, Icons.desktop_windows),
_Example01Tile(Key("j"),Colors.blue, Icons.radio),
];

@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("List Demo"),
),
body: ReorderableItemsView(
onReorder: (int oldIndex, int newIndex) {
setState(() {
_tiles.insert(newIndex, _tiles.removeAt(oldIndex));
});
},
feedBackWidgetBuilder: (context, index, child) {
return Container(
child: child,
);
},
children: _tiles,
longPressToDrag: false,
),
);
}
}

class _Example01Tile extends StatelessWidget {
_Example01Tile(Key key, this.backgroundColor, this.iconData): super(key: key);

final Color backgroundColor;
final IconData iconData;

@override
Widget build(BuildContext context) {
return new Card(
color: backgroundColor,
child: new InkWell(
onTap: () {},
child: new Center(
child: new Padding(
padding: EdgeInsets.all(4.0),
child: new Icon(
iconData,
color: Colors.white,
),
),
),
),
);
}
}
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Options #
@required this.children, // List<Widget>
@required this.onReorder, // Callback onReorder(int oldIndex, int newIndex)
this.scrollController, // ScrollController
this.scrollDirection = Axis.vertical, // Axis Ignored in GridView
this.padding,
this.staggeredTiles, // Only used in GridView, check gridview example above
this.crossAxisCount = 3, // Only used in GridView
this.isGrid = false, // if true renders as gridview
this.reverse = false,
this.longPressToDrag = true,
this.mainAxisSpacing = 0.0, // Only used in GridView
this.crossAxisSpacing = 0.0, // Only used in GridView
this.feedBackWidgetBuilder,
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Demo #

Buy Me a Coffee #