A more robust pdf generation > preview > print workflow
This commit is contained in:
+434
-326
@@ -7,6 +7,7 @@ import 'package:flutter_quill/flutter_quill.dart' as quill;
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import 'package:pdf/widgets.dart' as pw;
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import 'package:pdf/pdf.dart' as pdf;
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import 'package:printing/printing.dart';
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import 'package:pdfrx/pdfrx.dart';
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import '../../models/task.dart';
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import '../../models/ticket.dart';
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@@ -27,6 +28,14 @@ Future<Uint8List> buildTaskPdfBytes(
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) async {
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final logoData = await rootBundle.load('assets/crmc_logo.png');
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final logoImage = pw.MemoryImage(logoData.buffer.asUint8List());
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final regularFontData = await rootBundle.load(
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'assets/fonts/Roboto-Regular.ttf',
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);
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final boldFontData = await rootBundle.load('assets/fonts/Roboto-Bold.ttf');
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final regularFont = pw.Font.ttf(regularFontData);
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final boldFont = pw.Font.ttf(boldFontData);
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final doc = pw.Document();
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final created = AppTime.formatDate(task.createdAt);
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@@ -85,321 +94,325 @@ Future<Uint8List> buildTaskPdfBytes(
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final profileById = {for (final p in profiles) p.id: p};
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final assignedForTask = assignments.where((a) => a.taskId == task.id).toList()
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..sort((a, b) => a.createdAt.compareTo(b.createdAt));
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// Collect all unique assigned user IDs for this task and map to profile names
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final assignedUserIds = {for (final a in assignedForTask) a.userId};
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final performedBy = assignedUserIds.isEmpty
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? ''
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: assignedUserIds.map((id) => profileById[id]?.fullName ?? id).join(', ');
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// Use MultiPage to avoid overflow on long content and apply embedded fonts via ThemeData
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doc.addPage(
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pw.Page(
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pw.MultiPage(
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pageFormat: format ?? pdf.PdfPageFormat.a4,
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margin: pw.EdgeInsets.all(28),
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build: (pw.Context ctx) {
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return pw.Column(
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crossAxisAlignment: pw.CrossAxisAlignment.start,
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children: [
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pw.Center(
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child: pw.Row(
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mainAxisAlignment: pw.MainAxisAlignment.center,
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theme: pw.ThemeData.withFont(base: regularFont, bold: boldFont),
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footer: (pw.Context ctx) => pw.Container(
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alignment: pw.Alignment.centerRight,
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child: pw.Text(
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'MC-IHO-F-05 Rev. 2',
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style: pw.TextStyle(fontSize: 9, color: pdf.PdfColors.grey),
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),
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),
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build: (pw.Context ctx) => [
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pw.Center(
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child: pw.Row(
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mainAxisAlignment: pw.MainAxisAlignment.center,
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crossAxisAlignment: pw.CrossAxisAlignment.center,
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children: [
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pw.Container(width: 80, height: 80, child: pw.Image(logoImage)),
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pw.SizedBox(width: 16),
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pw.Column(
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crossAxisAlignment: pw.CrossAxisAlignment.center,
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children: [
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pw.Container(
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width: 80,
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height: 80,
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child: pw.Image(logoImage),
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pw.Text(
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'Republic of the Philippines',
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textAlign: pw.TextAlign.center,
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),
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pw.SizedBox(width: 16),
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pw.Column(
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crossAxisAlignment: pw.CrossAxisAlignment.center,
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pw.Text(
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'Department of Health',
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textAlign: pw.TextAlign.center,
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),
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pw.Text(
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'Regional and Medical Center',
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textAlign: pw.TextAlign.center,
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),
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pw.SizedBox(height: 6),
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pw.Text(
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'Cotabato Regional and Medical Center',
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textAlign: pw.TextAlign.center,
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style: pw.TextStyle(fontWeight: pw.FontWeight.bold),
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),
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pw.Text(
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'Integrated Hospital Operations and Management Program',
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textAlign: pw.TextAlign.center,
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),
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pw.Text('(IHOMP)', textAlign: pw.TextAlign.center),
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],
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),
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],
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),
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),
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pw.SizedBox(height: 12),
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pw.Center(
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child: pw.Text(
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'IT Job / Maintenance Request Form',
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style: pw.TextStyle(fontSize: 16, fontWeight: pw.FontWeight.bold),
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),
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),
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pw.SizedBox(height: 12),
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pw.Row(
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crossAxisAlignment: pw.CrossAxisAlignment.start,
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children: [
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pw.Expanded(
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child: pw.Column(
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crossAxisAlignment: pw.CrossAxisAlignment.start,
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children: [
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pw.Row(
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children: [
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pw.Text(
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'Republic of the Philippines',
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textAlign: pw.TextAlign.center,
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pw.Text('Task Number: '),
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pw.Container(
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padding: pw.EdgeInsets.only(bottom: 2),
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decoration: pw.BoxDecoration(
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border: pw.Border(
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bottom: pw.BorderSide(
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width: 0.8,
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color: pdf.PdfColors.black,
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),
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),
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),
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child: pw.Text(task.taskNumber ?? task.id),
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),
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pw.Text(
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'Department of Health',
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textAlign: pw.TextAlign.center,
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],
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),
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pw.SizedBox(height: 8),
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pw.Row(
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children: [
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pw.Text('Service: '),
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pw.Container(
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padding: pw.EdgeInsets.only(bottom: 2),
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decoration: pw.BoxDecoration(
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border: pw.Border(
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bottom: pw.BorderSide(
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width: 0.8,
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color: pdf.PdfColors.black,
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),
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),
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),
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child: pw.Text(serviceName),
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),
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pw.Text(
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'Regional and Medical Center',
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textAlign: pw.TextAlign.center,
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],
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),
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pw.SizedBox(height: 8),
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pw.Row(
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children: [
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pw.Text('Type: '),
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pw.Container(
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padding: pw.EdgeInsets.only(bottom: 2),
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decoration: pw.BoxDecoration(
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border: pw.Border(
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bottom: pw.BorderSide(
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width: 0.8,
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color: pdf.PdfColors.black,
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),
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),
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),
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child: pw.Text(task.requestType ?? ''),
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),
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pw.SizedBox(height: 6),
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pw.Text(
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'Cotabato Regional and Medical Center',
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textAlign: pw.TextAlign.center,
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style: pw.TextStyle(fontWeight: pw.FontWeight.bold),
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),
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pw.Text(
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'Integrated Hospital Operations and Management Program',
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textAlign: pw.TextAlign.center,
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),
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pw.Text('(IHOMP)', textAlign: pw.TextAlign.center),
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],
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),
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],
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),
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),
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pw.SizedBox(height: 12),
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pw.Center(
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child: pw.Text(
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'IT Job / Maintenance Request Form',
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style: pw.TextStyle(
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fontSize: 16,
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fontWeight: pw.FontWeight.bold,
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pw.SizedBox(width: 12),
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pw.Container(
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width: 180,
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child: pw.Column(
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crossAxisAlignment: pw.CrossAxisAlignment.start,
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children: [
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pw.Row(
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children: [
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pw.Text('Filed At: '),
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pw.Container(
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padding: pw.EdgeInsets.only(bottom: 2),
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decoration: pw.BoxDecoration(
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border: pw.Border(
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bottom: pw.BorderSide(
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width: 0.8,
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color: pdf.PdfColors.black,
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),
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),
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),
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child: pw.Text(created),
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),
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],
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),
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pw.SizedBox(height: 8),
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pw.Row(
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children: [
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pw.Text('Office: '),
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pw.Container(
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padding: pw.EdgeInsets.only(bottom: 2),
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decoration: pw.BoxDecoration(
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border: pw.Border(
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bottom: pw.BorderSide(
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width: 0.8,
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color: pdf.PdfColors.black,
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),
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),
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),
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child: pw.Text(officeName),
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),
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],
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),
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pw.SizedBox(height: 8),
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pw.Row(
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children: [
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pw.Text('Category: '),
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pw.Container(
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padding: pw.EdgeInsets.only(bottom: 2),
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decoration: pw.BoxDecoration(
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border: pw.Border(
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bottom: pw.BorderSide(
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width: 0.8,
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color: pdf.PdfColors.black,
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),
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),
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),
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child: pw.Text(task.requestCategory ?? ''),
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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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pw.SizedBox(height: 12),
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pw.Divider(thickness: 0.8, color: pdf.PdfColors.grey),
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pw.SizedBox(height: 6),
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pw.Center(
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child: pw.Text(
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task.title,
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textAlign: pw.TextAlign.center,
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style: pw.TextStyle(fontWeight: pw.FontWeight.bold),
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),
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),
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pw.SizedBox(height: 6),
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pw.Divider(thickness: 0.8, color: pdf.PdfColors.grey),
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pw.SizedBox(height: 6),
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pw.Text('Description:'),
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pw.SizedBox(height: 6),
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pw.Container(
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padding: pw.EdgeInsets.all(6),
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child: pw.Text(descriptionText),
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),
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pw.SizedBox(height: 12),
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// Requested/Noted signature lines (bottom-aligned to match Performed/Received)
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pw.Row(
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crossAxisAlignment: pw.CrossAxisAlignment.end,
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children: [
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pw.Expanded(
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child: pw.Container(
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height: 56,
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child: pw.Column(
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mainAxisAlignment: pw.MainAxisAlignment.end,
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children: [
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pw.Container(height: 1, color: pdf.PdfColors.black),
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pw.SizedBox(height: 6),
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pw.Text(
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requestedBy,
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style: pw.TextStyle(fontWeight: pw.FontWeight.bold),
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),
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pw.Text('Requested By'),
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],
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),
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),
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),
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pw.SizedBox(height: 12),
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pw.Row(
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crossAxisAlignment: pw.CrossAxisAlignment.start,
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children: [
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pw.Expanded(
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child: pw.Column(
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crossAxisAlignment: pw.CrossAxisAlignment.start,
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children: [
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pw.Row(
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children: [
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pw.Text('Task Number: '),
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pw.Container(
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padding: pw.EdgeInsets.only(bottom: 2),
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decoration: pw.BoxDecoration(
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border: pw.Border(
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bottom: pw.BorderSide(
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width: 0.8,
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color: pdf.PdfColors.black,
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),
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),
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),
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child: pw.Text(task.taskNumber ?? task.id),
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),
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],
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),
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pw.SizedBox(height: 8),
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pw.Row(
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children: [
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pw.Text('Service: '),
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pw.Container(
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padding: pw.EdgeInsets.only(bottom: 2),
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decoration: pw.BoxDecoration(
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border: pw.Border(
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bottom: pw.BorderSide(
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width: 0.8,
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color: pdf.PdfColors.black,
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),
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),
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),
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child: pw.Text(serviceName),
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),
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],
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),
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pw.SizedBox(height: 8),
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pw.Row(
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children: [
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pw.Text('Type: '),
|
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pw.Container(
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padding: pw.EdgeInsets.only(bottom: 2),
|
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decoration: pw.BoxDecoration(
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border: pw.Border(
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bottom: pw.BorderSide(
|
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width: 0.8,
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color: pdf.PdfColors.black,
|
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),
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),
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),
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child: pw.Text(task.requestType ?? ''),
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),
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],
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),
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],
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),
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pw.SizedBox(width: 12),
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pw.Expanded(
|
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child: pw.Container(
|
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height: 56,
|
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child: pw.Column(
|
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mainAxisAlignment: pw.MainAxisAlignment.end,
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children: [
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pw.Container(height: 1, color: pdf.PdfColors.black),
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pw.SizedBox(height: 6),
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pw.Text(
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notedBy,
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style: pw.TextStyle(fontWeight: pw.FontWeight.bold),
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),
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pw.Text('Noted by Supervisor/Senior'),
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],
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),
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pw.SizedBox(width: 12),
|
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pw.Container(
|
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width: 180,
|
||||
child: pw.Column(
|
||||
crossAxisAlignment: pw.CrossAxisAlignment.start,
|
||||
children: [
|
||||
pw.Row(
|
||||
children: [
|
||||
pw.Text('Filed At: '),
|
||||
pw.Container(
|
||||
padding: pw.EdgeInsets.only(bottom: 2),
|
||||
decoration: pw.BoxDecoration(
|
||||
border: pw.Border(
|
||||
bottom: pw.BorderSide(
|
||||
width: 0.8,
|
||||
color: pdf.PdfColors.black,
|
||||
),
|
||||
),
|
||||
),
|
||||
child: pw.Text(created),
|
||||
),
|
||||
],
|
||||
),
|
||||
pw.SizedBox(height: 8),
|
||||
pw.Row(
|
||||
children: [
|
||||
pw.Text('Office: '),
|
||||
pw.Container(
|
||||
padding: pw.EdgeInsets.only(bottom: 2),
|
||||
decoration: pw.BoxDecoration(
|
||||
border: pw.Border(
|
||||
bottom: pw.BorderSide(
|
||||
width: 0.8,
|
||||
color: pdf.PdfColors.black,
|
||||
),
|
||||
),
|
||||
),
|
||||
child: pw.Text(officeName),
|
||||
),
|
||||
],
|
||||
),
|
||||
pw.SizedBox(height: 8),
|
||||
pw.Row(
|
||||
children: [
|
||||
pw.Text('Category: '),
|
||||
pw.Container(
|
||||
padding: pw.EdgeInsets.only(bottom: 2),
|
||||
decoration: pw.BoxDecoration(
|
||||
border: pw.Border(
|
||||
bottom: pw.BorderSide(
|
||||
width: 0.8,
|
||||
color: pdf.PdfColors.black,
|
||||
),
|
||||
),
|
||||
),
|
||||
child: pw.Text(task.requestCategory ?? ''),
|
||||
),
|
||||
],
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
pw.SizedBox(height: 12),
|
||||
pw.Divider(thickness: 0.8, color: pdf.PdfColors.grey),
|
||||
pw.SizedBox(height: 6),
|
||||
pw.Center(
|
||||
child: pw.Text(
|
||||
task.title,
|
||||
textAlign: pw.TextAlign.center,
|
||||
style: pw.TextStyle(fontWeight: pw.FontWeight.bold),
|
||||
),
|
||||
),
|
||||
pw.SizedBox(height: 6),
|
||||
pw.Divider(thickness: 0.8, color: pdf.PdfColors.grey),
|
||||
pw.SizedBox(height: 6),
|
||||
pw.Text('Description:'),
|
||||
pw.SizedBox(height: 6),
|
||||
pw.Container(
|
||||
padding: pw.EdgeInsets.all(6),
|
||||
child: pw.Text(descriptionText),
|
||||
],
|
||||
),
|
||||
pw.SizedBox(height: 12),
|
||||
pw.Text('Action Taken:'),
|
||||
pw.SizedBox(height: 6),
|
||||
pw.Container(
|
||||
padding: pw.EdgeInsets.all(6),
|
||||
child: pw.Text(actionTakenText),
|
||||
),
|
||||
pw.SizedBox(height: 6),
|
||||
pw.Divider(thickness: 0.8, color: pdf.PdfColors.grey),
|
||||
pw.SizedBox(height: 12),
|
||||
// Historical timestamps side-by-side: Created / Started / Closed
|
||||
pw.Row(
|
||||
crossAxisAlignment: pw.CrossAxisAlignment.start,
|
||||
children: [
|
||||
pw.Expanded(
|
||||
child: pw.Column(
|
||||
crossAxisAlignment: pw.CrossAxisAlignment.start,
|
||||
children: [
|
||||
pw.Text('Created At:'),
|
||||
pw.SizedBox(height: 4),
|
||||
pw.Text(
|
||||
'${AppTime.formatDate(task.createdAt)} ${AppTime.formatTime(task.createdAt)}',
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
pw.SizedBox(height: 12),
|
||||
// Requested/Noted signature lines (bottom-aligned to match Performed/Received)
|
||||
pw.Row(
|
||||
crossAxisAlignment: pw.CrossAxisAlignment.end,
|
||||
children: [
|
||||
pw.Expanded(
|
||||
child: pw.Container(
|
||||
height: 56,
|
||||
child: pw.Column(
|
||||
mainAxisAlignment: pw.MainAxisAlignment.end,
|
||||
children: [
|
||||
pw.Container(height: 1, color: pdf.PdfColors.black),
|
||||
pw.SizedBox(height: 6),
|
||||
pw.Text(
|
||||
requestedBy,
|
||||
style: pw.TextStyle(fontWeight: pw.FontWeight.bold),
|
||||
),
|
||||
pw.Text('Requested By'),
|
||||
],
|
||||
),
|
||||
pw.SizedBox(width: 12),
|
||||
pw.Expanded(
|
||||
child: pw.Column(
|
||||
crossAxisAlignment: pw.CrossAxisAlignment.start,
|
||||
children: [
|
||||
pw.Text('Started At:'),
|
||||
pw.SizedBox(height: 4),
|
||||
pw.Text(
|
||||
task.startedAt == null
|
||||
? ''
|
||||
: '${AppTime.formatDate(task.startedAt!)} ${AppTime.formatTime(task.startedAt!)}',
|
||||
),
|
||||
),
|
||||
pw.SizedBox(width: 12),
|
||||
pw.Expanded(
|
||||
child: pw.Container(
|
||||
height: 56,
|
||||
child: pw.Column(
|
||||
mainAxisAlignment: pw.MainAxisAlignment.end,
|
||||
children: [
|
||||
pw.Container(height: 1, color: pdf.PdfColors.black),
|
||||
pw.SizedBox(height: 6),
|
||||
pw.Text(
|
||||
notedBy,
|
||||
style: pw.TextStyle(fontWeight: pw.FontWeight.bold),
|
||||
),
|
||||
pw.Text('Noted by Supervisor/Senior'),
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
],
|
||||
],
|
||||
),
|
||||
),
|
||||
pw.SizedBox(height: 12),
|
||||
pw.Text('Action Taken:'),
|
||||
pw.SizedBox(height: 6),
|
||||
pw.Container(
|
||||
padding: pw.EdgeInsets.all(6),
|
||||
child: pw.Text(actionTakenText),
|
||||
pw.SizedBox(width: 12),
|
||||
pw.Expanded(
|
||||
child: pw.Column(
|
||||
crossAxisAlignment: pw.CrossAxisAlignment.start,
|
||||
children: [
|
||||
pw.Text('Closed At:'),
|
||||
pw.SizedBox(height: 4),
|
||||
pw.Text(
|
||||
task.completedAt == null
|
||||
? ''
|
||||
: '${AppTime.formatDate(task.completedAt!)} ${AppTime.formatTime(task.completedAt!)}',
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
pw.SizedBox(height: 6),
|
||||
pw.Divider(thickness: 0.8, color: pdf.PdfColors.grey),
|
||||
pw.SizedBox(height: 12),
|
||||
// Historical timestamps side-by-side: Created / Started / Closed
|
||||
pw.Row(
|
||||
crossAxisAlignment: pw.CrossAxisAlignment.start,
|
||||
children: [
|
||||
pw.Expanded(
|
||||
child: pw.Column(
|
||||
crossAxisAlignment: pw.CrossAxisAlignment.start,
|
||||
children: [
|
||||
pw.Text('Created At:'),
|
||||
pw.SizedBox(height: 4),
|
||||
pw.Text(
|
||||
'${AppTime.formatDate(task.createdAt)} ${AppTime.formatTime(task.createdAt)}',
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
pw.SizedBox(width: 12),
|
||||
pw.Expanded(
|
||||
child: pw.Column(
|
||||
crossAxisAlignment: pw.CrossAxisAlignment.start,
|
||||
children: [
|
||||
pw.Text('Started At:'),
|
||||
pw.SizedBox(height: 4),
|
||||
pw.Text(
|
||||
task.startedAt == null
|
||||
? ''
|
||||
: '${AppTime.formatDate(task.startedAt!)} ${AppTime.formatTime(task.startedAt!)}',
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
pw.SizedBox(width: 12),
|
||||
pw.Expanded(
|
||||
child: pw.Column(
|
||||
crossAxisAlignment: pw.CrossAxisAlignment.start,
|
||||
children: [
|
||||
pw.Text('Closed At:'),
|
||||
pw.SizedBox(height: 4),
|
||||
pw.Text(
|
||||
task.completedAt == null
|
||||
? ''
|
||||
: '${AppTime.formatDate(task.completedAt!)} ${AppTime.formatTime(task.completedAt!)}',
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
pw.SizedBox(height: 36),
|
||||
// Signature lines row (fixed) — stays aligned regardless of name length
|
||||
],
|
||||
),
|
||||
pw.SizedBox(height: 36),
|
||||
|
||||
// Wrap signature block to prevent awkward page breaks
|
||||
pw.Wrap(
|
||||
spacing: 6,
|
||||
runSpacing: 6,
|
||||
children: [
|
||||
// Signature lines row (fixed)
|
||||
pw.Row(
|
||||
children: [
|
||||
pw.Expanded(
|
||||
@@ -419,8 +432,7 @@ Future<Uint8List> buildTaskPdfBytes(
|
||||
),
|
||||
],
|
||||
),
|
||||
pw.SizedBox(height: 6),
|
||||
// Names row: performedBy can be long but won't move the signature line; center names under lines
|
||||
// Names row
|
||||
pw.Row(
|
||||
children: [
|
||||
pw.Expanded(
|
||||
@@ -448,8 +460,7 @@ Future<Uint8List> buildTaskPdfBytes(
|
||||
),
|
||||
],
|
||||
),
|
||||
pw.SizedBox(height: 6),
|
||||
// Labels row (centered)
|
||||
// Labels row
|
||||
pw.Row(
|
||||
children: [
|
||||
pw.Expanded(
|
||||
@@ -464,18 +475,10 @@ Future<Uint8List> buildTaskPdfBytes(
|
||||
),
|
||||
],
|
||||
),
|
||||
pw.SizedBox(height: 12),
|
||||
pw.Spacer(),
|
||||
pw.Align(
|
||||
alignment: pw.Alignment.centerRight,
|
||||
child: pw.Text(
|
||||
'MC-IHO-F-05 Rev. 2',
|
||||
style: pw.TextStyle(fontSize: 9, color: pdf.PdfColors.grey),
|
||||
),
|
||||
),
|
||||
],
|
||||
);
|
||||
},
|
||||
),
|
||||
pw.SizedBox(height: 12),
|
||||
],
|
||||
),
|
||||
);
|
||||
|
||||
@@ -494,32 +497,137 @@ Future<void> showTaskPdfPreview(
|
||||
) async {
|
||||
await showDialog<void>(
|
||||
context: context,
|
||||
builder: (ctx) => AlertDialog(
|
||||
contentPadding: const EdgeInsets.all(8),
|
||||
content: SizedBox(
|
||||
width: 700,
|
||||
height: 900,
|
||||
child: PdfPreview(
|
||||
build: (format) => buildTaskPdfBytes(
|
||||
task,
|
||||
ticket,
|
||||
officeName,
|
||||
serviceName,
|
||||
logs,
|
||||
assignments,
|
||||
profiles,
|
||||
format,
|
||||
),
|
||||
allowPrinting: true,
|
||||
allowSharing: true,
|
||||
),
|
||||
),
|
||||
actions: [
|
||||
TextButton(
|
||||
onPressed: () => Navigator.of(ctx).pop(),
|
||||
child: const Text('Close'),
|
||||
),
|
||||
],
|
||||
builder: (ctx) => TaskPdfDialog(
|
||||
task: task,
|
||||
ticket: ticket,
|
||||
officeName: officeName,
|
||||
serviceName: serviceName,
|
||||
logs: logs,
|
||||
assignments: assignments,
|
||||
profiles: profiles,
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
class TaskPdfDialog extends StatefulWidget {
|
||||
final Task task;
|
||||
final Ticket? ticket;
|
||||
final String officeName;
|
||||
final String serviceName;
|
||||
final List<TaskActivityLog> logs;
|
||||
final List<TaskAssignment> assignments;
|
||||
final List<Profile> profiles;
|
||||
|
||||
const TaskPdfDialog({
|
||||
super.key,
|
||||
required this.task,
|
||||
this.ticket,
|
||||
required this.officeName,
|
||||
required this.serviceName,
|
||||
required this.logs,
|
||||
required this.assignments,
|
||||
required this.profiles,
|
||||
});
|
||||
|
||||
@override
|
||||
State<TaskPdfDialog> createState() => _TaskPdfDialogState();
|
||||
}
|
||||
|
||||
class _TaskPdfDialogState extends State<TaskPdfDialog> {
|
||||
Future<Uint8List>? _pdfFuture;
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
super.initState();
|
||||
// Initialize once
|
||||
_pdfFuture = buildTaskPdfBytes(
|
||||
widget.task,
|
||||
widget.ticket,
|
||||
widget.officeName,
|
||||
widget.serviceName,
|
||||
widget.logs,
|
||||
widget.assignments,
|
||||
widget.profiles,
|
||||
null,
|
||||
);
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return AlertDialog(
|
||||
contentPadding: EdgeInsets.zero,
|
||||
content: SizedBox(
|
||||
width: 800,
|
||||
height: 900,
|
||||
child: Column(
|
||||
children: [
|
||||
Padding(
|
||||
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
|
||||
child: Row(
|
||||
children: [
|
||||
const Expanded(
|
||||
child: Text(
|
||||
'IT Job Preview',
|
||||
style: TextStyle(
|
||||
fontSize: 16,
|
||||
fontWeight: FontWeight.w600,
|
||||
),
|
||||
),
|
||||
),
|
||||
IconButton(
|
||||
tooltip: 'Print',
|
||||
icon: const Icon(Icons.print),
|
||||
onPressed: () async {
|
||||
final bytes = await _pdfFuture;
|
||||
if (bytes == null) return;
|
||||
await Printing.layoutPdf(
|
||||
onLayout: (_) async => bytes,
|
||||
name:
|
||||
'Task - ${widget.task.taskNumber ?? widget.task.id}.pdf',
|
||||
);
|
||||
},
|
||||
),
|
||||
IconButton(
|
||||
tooltip: 'Download',
|
||||
icon: const Icon(Icons.download),
|
||||
onPressed: () async {
|
||||
final bytes = await _pdfFuture;
|
||||
if (bytes == null) return;
|
||||
await Printing.sharePdf(
|
||||
bytes: bytes,
|
||||
filename:
|
||||
'Task - ${widget.task.taskNumber ?? widget.task.id}.pdf',
|
||||
);
|
||||
},
|
||||
),
|
||||
IconButton(
|
||||
tooltip: 'Close',
|
||||
icon: const Icon(Icons.close),
|
||||
onPressed: () => Navigator.of(context).pop(),
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
const Divider(height: 1),
|
||||
Expanded(
|
||||
child: FutureBuilder<Uint8List>(
|
||||
future: _pdfFuture,
|
||||
builder: (context, snapshot) {
|
||||
if (snapshot.connectionState == ConnectionState.waiting) {
|
||||
return const Center(child: CircularProgressIndicator());
|
||||
}
|
||||
if (snapshot.hasError) {
|
||||
return Center(child: Text(snapshot.error.toString()));
|
||||
}
|
||||
final data = snapshot.data;
|
||||
if (data == null) return const SizedBox.shrink();
|
||||
return PdfViewer.data(data, sourceName: 'task.pdf');
|
||||
},
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user