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CupertinoCheckBox control, adaptive CheckBox #2173
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f545dda
initial commit
InesaFitsner 37a1341
adaptive property
InesaFitsner c6d109d
focusColor, hoverColor, overlayColor, activeColor properties for Chec…
InesaFitsner 42505ab
CupertinoCheckBox properties
InesaFitsner e291c93
deleted commented code
InesaFitsner 233927d
changed debugPrint back to "Checkbox .."
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| import 'package:flutter/cupertino.dart'; | ||
| import 'package:flutter/material.dart'; | ||
|
|
||
| import '../actions.dart'; | ||
| import '../flet_app_services.dart'; | ||
| import '../models/control.dart'; | ||
| import '../protocol/update_control_props_payload.dart'; | ||
| import '../utils/colors.dart'; | ||
| import 'create_control.dart'; | ||
| import 'list_tile.dart'; | ||
|
|
||
| enum LabelPosition { right, left } | ||
|
|
||
| class CupertinoCheckboxControl extends StatefulWidget { | ||
| final Control? parent; | ||
| final Control control; | ||
| final bool parentDisabled; | ||
| final dynamic dispatch; | ||
|
|
||
| const CupertinoCheckboxControl( | ||
| {Key? key, | ||
| this.parent, | ||
| required this.control, | ||
| required this.parentDisabled, | ||
| required this.dispatch}) | ||
| : super(key: key); | ||
|
|
||
| @override | ||
| State<CupertinoCheckboxControl> createState() => _CheckboxControlState(); | ||
| } | ||
|
|
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| class _CheckboxControlState extends State<CupertinoCheckboxControl> { | ||
| bool? _value; | ||
| bool _tristate = false; | ||
| late final FocusNode _focusNode; | ||
|
|
||
| @override | ||
| void initState() { | ||
| super.initState(); | ||
| _focusNode = FocusNode(); | ||
| _focusNode.addListener(_onFocusChange); | ||
| } | ||
|
|
||
| void _onFocusChange() { | ||
| FletAppServices.of(context).server.sendPageEvent( | ||
| eventTarget: widget.control.id, | ||
| eventName: _focusNode.hasFocus ? "focus" : "blur", | ||
| eventData: ""); | ||
| } | ||
|
|
||
| @override | ||
| void dispose() { | ||
| _focusNode.removeListener(_onFocusChange); | ||
| _focusNode.dispose(); | ||
| super.dispose(); | ||
| } | ||
|
|
||
| void _toggleValue() { | ||
| bool? newValue; | ||
| if (!_tristate) { | ||
| newValue = !_value!; | ||
| } else if (_tristate && _value == null) { | ||
| newValue = false; | ||
| } else if (_tristate && _value == false) { | ||
| newValue = true; | ||
| } | ||
| _onChange(newValue); | ||
| } | ||
|
|
||
| void _onChange(bool? value) { | ||
| var svalue = value != null ? value.toString() : ""; | ||
| setState(() { | ||
| _value = value; | ||
| }); | ||
| List<Map<String, String>> props = [ | ||
| {"i": widget.control.id, "value": svalue} | ||
| ]; | ||
| widget.dispatch( | ||
| UpdateControlPropsAction(UpdateControlPropsPayload(props: props))); | ||
| var server = FletAppServices.of(context).server; | ||
| server.updateControlProps(props: props); | ||
| server.sendPageEvent( | ||
| eventTarget: widget.control.id, eventName: "change", eventData: svalue); | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| debugPrint("CupertinoCheckBox build: ${widget.control.id}"); | ||
|
|
||
| String label = widget.control.attrString("label", "")!; | ||
| LabelPosition labelPosition = LabelPosition.values.firstWhere( | ||
| (p) => | ||
| p.name.toLowerCase() == | ||
| widget.control.attrString("labelPosition", "")!.toLowerCase(), | ||
| orElse: () => LabelPosition.right); | ||
| _tristate = widget.control.attrBool("tristate", false)!; | ||
| bool autofocus = widget.control.attrBool("autofocus", false)!; | ||
| bool disabled = widget.control.isDisabled || widget.parentDisabled; | ||
|
|
||
| debugPrint("CupertinoCheckbox StoreConnector build: ${widget.control.id}"); | ||
|
|
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| bool? value = widget.control.attrBool("value", _tristate ? null : false); | ||
| if (_value != value) { | ||
| _value = value; | ||
| } | ||
|
|
||
| var cupertinoCheckbox = CupertinoCheckbox( | ||
| autofocus: autofocus, | ||
| focusNode: _focusNode, | ||
| value: _value, | ||
| activeColor: HexColor.fromString( | ||
| Theme.of(context), widget.control.attrString("activeColor", "")!), | ||
| checkColor: HexColor.fromString( | ||
| Theme.of(context), widget.control.attrString("checkColor", "")!), | ||
| focusColor: HexColor.fromString( | ||
| Theme.of(context), widget.control.attrString("focusColor", "")!), | ||
| inactiveColor: HexColor.fromString( | ||
| Theme.of(context), widget.control.attrString("inactiveColor", "")!), | ||
| tristate: _tristate, | ||
| onChanged: !disabled | ||
| ? (bool? value) { | ||
| _onChange(value); | ||
| } | ||
| : null); | ||
|
|
||
| ListTileClicks.of(context)?.notifier.addListener(() { | ||
| _toggleValue(); | ||
| }); | ||
|
|
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| Widget result = cupertinoCheckbox; | ||
| if (label != "") { | ||
| var labelWidget = disabled | ||
| ? Text(label, | ||
| style: TextStyle(color: Theme.of(context).disabledColor)) | ||
| : MouseRegion(cursor: SystemMouseCursors.click, child: Text(label)); | ||
| result = MergeSemantics( | ||
| child: GestureDetector( | ||
| onTap: !disabled ? _toggleValue : null, | ||
| child: labelPosition == LabelPosition.right | ||
| ? Row(children: [cupertinoCheckbox, labelWidget]) | ||
| : Row(children: [labelWidget, cupertinoCheckbox]))); | ||
| } | ||
|
|
||
| return constrainedControl(context, result, widget.parent, widget.control); | ||
| } | ||
| } |
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