76 lines
2.1 KiB
Dart
76 lines
2.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../view_model/view_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 pdf = ref.watch(pdfProvider);
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final sig = ref.watch(signatureProvider);
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final placed = pdf.placementsByPage[pageNumber] ?? const <Rect>[];
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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 (SignatureController.pageSize).
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final uiRect = placed[i];
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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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sig: sig,
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pageNumber: pageNumber,
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interactive: false,
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placedIndex: i,
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onSelectPlaced: onSelectPlaced,
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),
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);
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}
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final showActive =
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sig.rect != null &&
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sig.editingEnabled &&
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(pdf.signedPage == null || pdf.signedPage == pageNumber) &&
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pdf.currentPage == pageNumber;
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if (showActive) {
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widgets.add(
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SignatureOverlay(
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pageSize: pageSize,
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rect: sig.rect!,
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sig: sig,
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pageNumber: pageNumber,
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interactive: true,
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onDragSignature: onDragSignature,
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onResizeSignature: onResizeSignature,
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onConfirmSignature: onConfirmSignature,
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onClearActiveOverlay: onClearActiveOverlay,
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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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