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@ -1,46 +1,86 @@
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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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// OWNER : Ibrahim albitar
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// DATE : 12-04-2020
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// DESCRIPTION : Customization for Texts in app
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import 'package:hexcolor/hexcolor.dart';
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class AppText extends StatefulWidget {
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final String data;
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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 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 bool visibility;
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final TextAlign textAlign;
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final Color backGroundcolor;
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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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AppText(this.data,
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{this.color = Colors.black,
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this.fontWeight = FontWeight.normal,
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this.fontSize,
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this.fontFamily = 'Poppins',
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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.visibility = true,
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this.textAlign,
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this.textOverflow,
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this.backGroundcolor = Colors.white});
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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 = FontWeight.normal,
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this.variant,
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this.fontSize,
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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.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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@ -51,19 +91,192 @@ class _AppTextState extends State<AppText> {
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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: Text(
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widget.data,
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textAlign: widget.textAlign,
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overflow: widget.textOverflow ?? TextOverflow.clip,
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style: TextStyle(
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color: widget.color,
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fontWeight: widget.fontWeight,
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fontSize: widget.fontSize ?? (SizeConfig.textMultiplier * 2),
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fontFamily: widget.fontFamily,
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// backgroundColor:widget.backGroundcolor
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),
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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
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? text
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: (text.substring(
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0,
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text.length > widget.maxLength
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? widget.maxLength
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: text.length)),
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textAlign: widget.textAlign,
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overflow: widget.maxLines != null
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? ((widget.maxLines > 1)
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? TextOverflow.fade
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: 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 != null ? widget.color : null,
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fontWeight: widget.fontWeight ?? _getFontWeight(),
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)
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: TextStyle(
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fontStyle: widget.italic ? FontStyle.italic : null,
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color: widget.textDecoration == null
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? widget.color != null
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? widget.color
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: Colors.black
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: null,
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fontSize: widget.fontSize ?? _getFontSize(),
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letterSpacing:
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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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),
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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(
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colors: [
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Theme.of(context).backgroundColor,
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Theme.of(context).backgroundColor.withOpacity(0),
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],
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begin: Alignment.bottomCenter,
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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 &&
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widget.readMore &&
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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.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.w500;
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}
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}
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}
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mosazaid
4 years ago