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Rody Davis
2026-01-15 14:38:46 -08:00
parent ef86e3ab6a
commit 6869cf47e5
5253 changed files with 726695 additions and 34 deletions
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deprecated/golden_layout/lib/golden_layout.dart
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import 'package:flutter/material.dart';
import 'src/controller.dart';
import 'src/drag_bar.dart';
import 'src/window.dart';
import 'src/window_group.dart';
export 'src/controller.dart';
export 'src/theme.dart';
export 'src/window.dart';
class GoldenLayout extends StatefulWidget {
final WindowController controller;
final Size popupSize;
final WindowCollection collection;
final WindowTab Function() onAddTab;
final Function() onCloseTab;
const GoldenLayout({
Key key,
@required this.controller,
this.collection,
this.popupSize = const Size(450, 300),
this.onAddTab,
this.onCloseTab,
}) : super(key: key);
@override
_GoldenLayoutState createState() => _GoldenLayoutState();
}
class _GoldenLayoutState extends State<GoldenLayout> {
WindowController _controller;
@override
void initState() {
_controller = widget?.controller ?? WindowController();
if (widget?.collection != null) {
_controller.base = widget.collection;
}
super.initState();
}
@override
Widget build(BuildContext context) {
return LayoutBuilder(builder: (context, dimens) {
if (_controller.fullScreen != null) {
return RenderWindowGroup(
onAddTab: widget.onAddTab,
onCancel: (val) {
_controller.addToBase(val);
},
isDragging: _isDragging,
onDraggingChanged: (val) {
if (mounted) {
setState(() {
_isDragging = val;
});
}
},
popUpSize: widget.popupSize,
minimize: true,
group: _controller.fullScreen,
onFullScreen: () {
if (mounted) {
setState(() {
_controller.exitFullScreen();
});
}
},
onClose: !_controller.fullScreen.canClose
? null
: () {
if (mounted) {
setState(() {
_controller.exitFullScreen(true);
});
}
},
update: () {
if (mounted) setState(() {});
},
);
}
return _renderItem(
_controller.base,
index: 0,
size: Size(dimens.maxWidth, dimens.maxHeight),
onChanged: (val) {
if (mounted) {
setState(() {
_controller.base = val;
});
}
},
onClose: (val) {
if (mounted) {
setState(() {
_controller.base = null;
});
}
},
);
});
}
Widget _renderItem(
WindowCollection item, {
@required int index,
@required Size size,
@required ValueChanged<WindowCollection> onChanged,
@required ValueChanged<WindowCollection> onClose,
}) {
if (item is WindowColumn) {
return Column(
children: [
for (var i = 0; i < item.children.length; i++) ...[
Flexible(
flex: (size.height * item.children[i].flex).round(),
child: LayoutBuilder(
builder: (context, dimens) => _renderItem(
item.children[i],
index: i,
size: Size(dimens.maxWidth, dimens.maxHeight),
onChanged: (val) {
if (mounted) {
setState(() {
item.children[i] = val;
});
}
},
onClose: (val) {
if (mounted) {
setState(() {
item.children.remove(val);
});
}
if (item.children.isEmpty) {
onClose(item);
}
},
),
),
),
if (i != item.children.length - 1)
GestureDetector(
onVerticalDragUpdate: (val) {
final _current = size.height * item.children[i].flex;
final _height = val.delta.dy + _current;
if (mounted) {
setState(() {
item.children[i].flex = _height / size.height;
});
}
},
child: HorizontalDragBar(),
),
],
],
);
}
if (item is WindowRow) {
return Row(
children: [
for (var i = 0; i < item.children.length; i++) ...[
Flexible(
flex: (size.width * item.children[i].flex).round(),
child: LayoutBuilder(
builder: (context, dimens) => _renderItem(
item.children[i],
index: i,
size: Size(dimens.maxWidth, dimens.maxHeight),
onChanged: (val) {
if (mounted) {
setState(() {
item.children[i] = val;
});
}
},
onClose: (val) {
if (mounted) {
setState(() {
item.children.remove(val);
});
}
if (item.children.isEmpty) {
onClose(item);
}
},
),
),
),
if (i != item.children.length - 1)
GestureDetector(
onHorizontalDragUpdate: (val) {
final _current = size.width * item.children[i].flex;
final _width = val.delta.dx + _current;
if (mounted) {
setState(() {
item.children[i].flex = _width / size.width;
});
}
},
child: VerticalDragBar(),
),
],
],
);
}
if (item is WindowGroup) {
return RenderWindowGroup(
onAddTab: widget.onAddTab,
onCancel: (val) {
_controller.addToBase(val);
},
onDraggingChanged: (val) {
if (mounted) {
setState(() {
_isDragging = val;
});
}
},
isDragging: _isDragging,
popUpSize: widget.popupSize,
group: item,
onFullScreen: () {
if (mounted) {
setState(() {
_controller.enterFullScreen(item, onClose);
});
}
},
onClose: !item.canClose
? null
: () {
if (mounted) {
setState(() {
item.close();
});
}
if (item.tabs.isEmpty) {
onClose(item);
}
},
update: () {
if (mounted) setState(() {});
},
onModify: (context, tab, pos, [index]) {
final _group = WindowGroup()..addTab(tab);
switch (pos) {
case WindowPos.top:
onChanged(WindowColumn([_group, item]));
break;
case WindowPos.left:
onChanged(WindowRow([_group, item]));
break;
case WindowPos.bottom:
onChanged(WindowColumn([item, _group]));
break;
case WindowPos.right:
onChanged(WindowRow([item, _group]));
break;
case WindowPos.tab:
item.addTab(tab, index);
onChanged(item);
break;
}
if (mounted) setState(() {});
},
);
}
return Container();
}
bool _isDragging = false;
}