init

2025-06-30 16:24:20 +08:00
commit 68de5eb048
454 changed files with 56921 additions and 0 deletions
@@ -0,0 +1,126 @@
+
+// ignore_for_file: file_names
+
+import 'package:flutter/material.dart';
+
+class TextSize {
+  static Size boundingTextSize(String text, TextStyle style,
+      {int maxLines = 2 ^ 31, double maxWidth = double.infinity}) {
+    if (text.isEmpty) {
+      return const Size(0, 0);
+    }
+    final TextPainter textPainter = TextPainter(
+        textDirection: TextDirection.ltr,
+        text: TextSpan(text: text, style: style),
+        maxLines: maxLines)
+      ..layout(maxWidth: maxWidth);
+    return textPainter.size;
+  }
+}
+
+class CustomText extends StatefulWidget {
+  const CustomText(
+    this.text, {
+    Key? key,
+    required this.width,
+    this.offset,
+    this.overflowtext,
+    this.style,
+    this.strutStyle,
+    this.textAlign,
+    this.textDirection,
+    this.locale,
+    this.softWrap,
+    this.overflow,
+    this.textScaleFactor,
+    this.maxLines,
+    this.semanticsLabel,
+    this.textWidthBasis,
+    this.textHeightBehavior,
+  }) : super(key: key);
+  final String text;
+  final double width;
+  final String? overflowtext;
+  final int? offset;
+  final TextStyle? style;
+  final StrutStyle? strutStyle;
+  final TextAlign? textAlign;
+  final TextDirection? textDirection;
+  final Locale? locale;
+  final bool? softWrap;
+  final TextOverflow? overflow;
+  final double? textScaleFactor;
+  final int? maxLines;
+  final String? semanticsLabel;
+  final TextWidthBasis? textWidthBasis;
+  final TextHeightBehavior? textHeightBehavior;
+
+  @override
+  State<CustomText> createState() => _ExtendTextState();
+}
+
+class _ExtendTextState extends State<CustomText> {
+  String? text;
+  countTextSize() {
+    TextStyle style = widget.style ?? const TextStyle(fontSize: 14);
+    double textwidth = TextSize.boundingTextSize(widget.text, style).width;
+    int offset = widget.offset ?? 3;
+    if (textwidth > widget.width) {
+      int position = widget.text.lastIndexOf('.');
+      if(position < 1){
+        int numberOfCharsToRemove = ((textwidth - widget.width) / (style.fontSize ?? 14)).floor();
+        String overflowText = widget.overflowtext ?? '...';
+        text = widget.text.replaceRange(widget.text.length - numberOfCharsToRemove, widget.text.length, '') + overflowText;
+      }else{
+        String overflowtext = widget.overflowtext ?? '...';
+        int overflowtextLength = overflowtext.length;
+        double singTextSize = textwidth / widget.text.length;
+        String newtext =
+            '${widget.text.substring(0, position - offset)}$overflowtext${widget.text.substring(position - offset, widget.text.length)}';
+        position += overflowtextLength;
+        int number = ((textwidth - widget.width) / singTextSize).ceil();
+        do {
+          int a = position - offset - overflowtextLength - number;
+          newtext = newtext.substring(0, a < 1 ? 1 : a) +
+              newtext.substring(
+                  position - offset - overflowtextLength, newtext.length);
+          position -= number;
+          number =
+              ((TextSize.boundingTextSize(newtext, style).width - widget.width) /
+                  singTextSize)
+                  .ceil();
+          if (a < 1 || number < 1) {
+            break;
+          }
+        } while (
+        TextSize.boundingTextSize(newtext, style).width > widget.width - 20);
+        text = newtext;
+      }
+    }
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    countTextSize();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Text(
+      text ?? widget.text,
+      style: widget.style,
+      strutStyle: widget.strutStyle,
+      textAlign: widget.textAlign,
+      textDirection: widget.textDirection,
+      locale: widget.locale,
+      softWrap: widget.softWrap,
+      overflow: widget.overflow,
+      textScaleFactor: widget.textScaleFactor,
+      maxLines: widget.maxLines,
+      semanticsLabel: widget.semanticsLabel,
+      textWidthBasis: widget.textWidthBasis,
+      textHeightBehavior: widget.textHeightBehavior,
+    );
+  }
+}