93 lines
3.0 KiB
Dart
93 lines
3.0 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:pdf_signature/ui/features/pdf/view_model/pdf_view_model.dart';
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import 'package:pdf_signature/data/repositories/document_repository.dart';
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import '../../../../domain/models/model.dart';
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import 'signature_overlay.dart';
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/// Builds all overlays for a given page: placed signatures and the active one.
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class PdfPageOverlays extends ConsumerWidget {
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const PdfPageOverlays({
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super.key,
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required this.pageSize,
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required this.pageNumber,
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this.onDragSignature,
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this.onResizeSignature,
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this.onConfirmSignature,
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this.onClearActiveOverlay,
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this.onSelectPlaced,
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});
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final Size pageSize;
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final int pageNumber;
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final ValueChanged<Offset>? onDragSignature;
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final ValueChanged<Offset>? onResizeSignature;
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final VoidCallback? onConfirmSignature;
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final VoidCallback? onClearActiveOverlay;
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final ValueChanged<int?>? onSelectPlaced;
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final pdfViewModel = ref.watch(pdfViewModelProvider);
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// Subscribe to document changes to rebuild overlays
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final pdf = ref.watch(documentRepositoryProvider);
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final placed =
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pdf.placementsByPage[pageNumber] ?? const <SignaturePlacement>[];
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final activeRect = pdfViewModel.activeRect;
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final widgets = <Widget>[];
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for (int i = 0; i < placed.length; i++) {
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// Stored as UI-space rects (SignatureCardStateNotifier.pageSize).
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final p = placed[i];
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final uiRect = p.rect;
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widgets.add(
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SignatureOverlay(
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pageSize: pageSize,
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rect: uiRect,
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placement: p,
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placedIndex: i,
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),
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);
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}
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// TODO:Add active overlay if present and not using mock (mock has its own)
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final useMock = pdfViewModel.useMockViewer;
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if (!useMock && activeRect != null) {
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widgets.add(
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LayoutBuilder(
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builder: (context, constraints) {
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final left = activeRect.left * constraints.maxWidth;
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final top = activeRect.top * constraints.maxHeight;
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final width = activeRect.width * constraints.maxWidth;
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final height = activeRect.height * constraints.maxHeight;
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return Stack(
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children: [
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Positioned(
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left: left,
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top: top,
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width: width,
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height: height,
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child: GestureDetector(
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key: const Key('signature_overlay'),
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// Removed onPanUpdate to allow scrolling
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child: DecoratedBox(
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decoration: BoxDecoration(
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border: Border.all(color: Colors.red, width: 2),
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),
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child: const SizedBox.expand(),
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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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);
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}
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return Stack(children: widgets);
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}
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}
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