45 lines
1.1 KiB
Dart
45 lines
1.1 KiB
Dart
|
import 'package:dartboard_resume/widgets/footnote.dart';
|
||
|
|
import 'package:pdf/widgets.dart';
|
||
|
|
|
||
|
|
class AnnotationManager {
|
||
|
|
// Factory constructor to return the single instance
|
||
|
|
factory AnnotationManager() {
|
||
|
|
return _instance;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Private constructor
|
||
|
|
AnnotationManager._privateConstructor();
|
||
|
|
|
||
|
|
// Static field to hold the single instance of the class
|
||
|
|
static final AnnotationManager _instance = AnnotationManager._privateConstructor();
|
||
|
|
|
||
|
|
// Field to hold the number
|
||
|
|
int _numUrls = 0;
|
||
|
|
List<Widget> _urlWidgets = [];
|
||
|
|
TextStyle? _style;
|
||
|
|
|
||
|
|
// ignore: avoid_setters_without_getters
|
||
|
|
set style(TextStyle style) => _style = style;
|
||
|
|
|
||
|
|
int add({required String url}) {
|
||
|
|
_numUrls += 1;
|
||
|
|
if (_style == null) {
|
||
|
|
throw Exception('Must provide text style for urls');
|
||
|
|
}
|
||
|
|
_urlWidgets.add(Footnote(number: _numUrls, style: _style!, url: url));
|
||
|
|
return _numUrls;
|
||
|
|
}
|
||
|
|
|
||
|
|
List<Widget> get footnotes {
|
||
|
|
final widgets = [..._urlWidgets];
|
||
|
|
reset();
|
||
|
|
return widgets;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Method to reset the number
|
||
|
|
void reset() {
|
||
|
|
_numUrls = 0;
|
||
|
|
_urlWidgets = [];
|
||
|
|
}
|
||
|
|
}
|