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282 lines
8.2 KiB
Dart
282 lines
8.2 KiB
Dart
import 'package:doctor_app_flutter/config/size_config.dart';
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:hexcolor/hexcolor.dart';
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class AppText extends StatefulWidget {
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final String? text;
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final String? variant;
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final Color? color;
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final FontWeight? fontWeight;
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final double? fontSize;
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final double? fontHeight;
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final String? fontFamily;
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final int? maxLength;
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final bool? italic;
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final double? margin;
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final double? marginTop;
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final double? marginRight;
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final double? marginBottom;
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final double? marginLeft;
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final TextAlign? textAlign;
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final bool? bold;
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final bool? regular;
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final bool? medium;
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final int? maxLines;
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final bool? readMore;
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final String? style;
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final bool? allowExpand;
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final bool? visibility;
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final TextOverflow? textOverflow;
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final TextDecoration? textDecoration;
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AppText(
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this.text, {
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this.color = Colors.black,
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this.fontWeight,
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this.variant,
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this.fontSize,
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this.fontHeight,
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this.fontFamily = 'Poppins',
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this.italic = false,
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this.maxLength = 60,
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this.margin,
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this.marginTop = 0,
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this.marginRight = 0,
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this.marginBottom = 0,
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this.marginLeft = 0,
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this.textAlign,
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this.bold,
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this.regular,
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this.medium,
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this.maxLines,
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this.readMore = false,
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this.style,
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this.allowExpand = true,
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this.visibility = true,
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this.textOverflow,
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this.textDecoration,
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});
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@override
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_AppTextState createState() => _AppTextState();
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}
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class _AppTextState extends State<AppText> {
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bool hidden = false;
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String text = "";
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@override
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void didUpdateWidget(covariant AppText oldWidget) {
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setState(() {
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if (widget.style == "overline")
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text = widget.text!.toUpperCase();
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else {
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text = widget.text!;
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}
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});
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super.didUpdateWidget(oldWidget);
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}
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@override
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void initState() {
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hidden = widget.readMore!;
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if (widget.style == "overline")
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text = widget.text!.toUpperCase();
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else {
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text = widget.text!;
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}
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super.initState();
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}
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@override
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Widget build(BuildContext context) {
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return Container(
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margin: widget.margin != null
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? EdgeInsets.all(widget.margin!)
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: EdgeInsets.only(
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top: widget.marginTop!,
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right: widget.marginRight!,
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bottom: widget.marginBottom!,
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left: widget.marginLeft!),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Stack(
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children: [
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Text(
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!hidden ? text : (text.substring(0, text.length > widget.maxLength! ? widget.maxLength : text.length)),
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textAlign: widget.textAlign,
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overflow: widget.maxLines != null
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? ((widget.maxLines! > 1) ? TextOverflow.fade : TextOverflow.ellipsis)
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: null,
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maxLines: widget.maxLines ?? null,
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style: widget.style != null
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? _getFontStyle().copyWith(
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fontStyle: widget.italic! ? FontStyle.italic : null,
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color: widget.color,
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fontWeight: widget.fontWeight ?? _getFontWeight(),
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height: widget.fontHeight)
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: TextStyle(
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fontStyle: widget.italic! ? FontStyle.italic : null,
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color: widget.color != null ? widget.color : Colors.black,
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fontSize: widget.fontSize ?? _getFontSize(),
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letterSpacing: widget.variant == "overline" ? 1.5 : null,
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fontWeight: widget.fontWeight ?? _getFontWeight(),
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fontFamily: widget.fontFamily ?? 'Poppins',
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decoration: widget.textDecoration,
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height: widget.fontHeight),
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),
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if (widget.readMore! && text.length > widget.maxLength! && hidden)
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Positioned(
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bottom: 0,
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left: 0,
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right: 0,
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child: Container(
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decoration: BoxDecoration(
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gradient: LinearGradient(colors: [
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Theme.of(context).backgroundColor,
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Theme.of(context).backgroundColor.withOpacity(0),
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], begin: Alignment.bottomCenter, end: Alignment.topCenter)),
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height: 30,
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),
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)
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],
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),
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if (widget.allowExpand! && widget.readMore! && text.length > widget.maxLength!)
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Padding(
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padding: EdgeInsets.only(top: 8.0, right: 8.0, bottom: 8.0),
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child: InkWell(
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onTap: () {
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setState(() {
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hidden = !hidden;
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});
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},
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child: Text(hidden ? "Read More" : "Read less",
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style: _getFontStyle().copyWith(
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color: HexColor('#FF0000'),
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fontWeight: FontWeight.w800,
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fontFamily: "Poppins",
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)),
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),
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),
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],
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),
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);
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}
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TextStyle _getFontStyle() {
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switch (widget.style) {
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case "headline2":
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return Theme.of(context).textTheme.headline2!;
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case "headline3":
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return Theme.of(context).textTheme.headline3!;
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case "headline4":
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return Theme.of(context).textTheme.headline4!;
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case "headline5":
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return Theme.of(context).textTheme.headline5!;
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case "headline6":
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return Theme.of(context).textTheme.headline6!;
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case "bodyText2":
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return Theme.of(context).textTheme.bodyText2!;
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case "bodyText_15":
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return Theme.of(context).textTheme.bodyText2!.copyWith(fontSize: 15.0);
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case "bodyText1":
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return Theme.of(context).textTheme.bodyText1!;
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case "caption":
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return Theme.of(context).textTheme.caption!;
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case "overline":
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return Theme.of(context).textTheme.overline!;
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case "button":
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return Theme.of(context).textTheme.button!;
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default:
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return TextStyle();
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}
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}
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double _getFontSize() {
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switch (widget.variant) {
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case "heading0":
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return 40.0;
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case "heading":
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return 32.0;
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case "heading2":
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return 28.0;
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case "heading3":
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return 18.0;
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case "body1":
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return 18.0;
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case "body2":
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return 20.0;
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case "body2Link":
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return 16.0;
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case "caption":
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return 16.0;
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case "caption2":
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return 14.0;
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case "bodyText":
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return 15.0;
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case "bodyText2":
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return 17.0;
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case "caption3":
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return 12.0;
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case "caption4":
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return 9.0;
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case "overline":
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return 11.0;
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case "date":
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return 24.0;
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default:
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return SizeConfig.textMultiplier * 2;
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}
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}
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FontWeight _getFontWeight() {
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if (widget.bold ?? false) {
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return FontWeight.w900;
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} else if (widget.regular ?? false) {
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return FontWeight.w500;
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} else if (widget.medium ?? false) {
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return FontWeight.w800;
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} else {
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if (widget.style == null) {
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switch (widget.variant) {
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case "heading":
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return FontWeight.w900;
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case "heading2":
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return FontWeight.w900;
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case "heading3":
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return FontWeight.w900;
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case "body1":
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return FontWeight.w800;
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case "body2":
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return FontWeight.w900;
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case "body2Link":
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return FontWeight.w800;
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case "caption":
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return FontWeight.w700;
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case "caption2":
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return FontWeight.w700;
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case "bodyText":
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return FontWeight.w500;
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case "bodyText2":
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return FontWeight.w500;
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case "caption3":
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return FontWeight.w600;
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case "caption4":
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return FontWeight.w600;
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case "overline":
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return FontWeight.w800;
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case "date":
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return FontWeight.w900;
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default:
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return FontWeight.w500;
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}
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} else {
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return FontWeight.normal;
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}
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}
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}
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}
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