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main.dart
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main.dart
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import 'package:flutter/material.dart';
// ignore: depend_on_referenced_packages
import 'package:syncfusion_flutter_xlsio/xlsio.dart' hide Column;
import 'package:syncfusion_officechart/officechart.dart';
//Local imports
import 'helper/save_file_mobile.dart'
if (dart.library.html) 'helper/save_file_web.dart';
void main() {
runApp(CreateOfficeChartWidget());
}
/// Represents the office chart widget class.
class CreateOfficeChartWidget extends StatelessWidget {
@override
Widget build(BuildContext context) {
return const MaterialApp(
home: CreateOfficeChartStatefulWidget(title: 'Create Excel document'),
);
}
}
/// Represents the office chart stateful widget class.
class CreateOfficeChartStatefulWidget extends StatefulWidget {
/// Initalize the instance of the [CreateOfficeChartStatefulWidget] class.
const CreateOfficeChartStatefulWidget({Key? key, required this.title})
: super(key: key);
/// title.
final String title;
@override
// ignore: library_private_types_in_public_api
_CreateOfficeChartState createState() => _CreateOfficeChartState();
}
class _CreateOfficeChartState extends State<CreateOfficeChartStatefulWidget> {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
TextButton(
style: TextButton.styleFrom(
foregroundColor: Colors.white,
backgroundColor: Colors.lightBlue,
disabledForegroundColor: Colors.grey,
),
onPressed: generateOfficeChart,
child: const Text('Generate Excel Chart'),
)
],
),
),
);
}
Future<void> generateOfficeChart() async {
//Create a Excel document.
//Creating a workbook.
final Workbook workbook = Workbook(0);
//Adding a Sheet with name to workbook.
final Worksheet sheet1 = workbook.worksheets.addWithName('Budget');
sheet1.showGridlines = false;
sheet1.enableSheetCalculations();
sheet1.getRangeByIndex(1, 1).columnWidth = 19.86;
sheet1.getRangeByIndex(1, 2).columnWidth = 14.38;
sheet1.getRangeByIndex(1, 3).columnWidth = 12.98;
sheet1.getRangeByIndex(1, 4).columnWidth = 12.08;
sheet1.getRangeByIndex(1, 5).columnWidth = 8.82;
sheet1.getRangeByName('A1:A18').rowHeight = 20.2;
//Adding cell style.
final Style style1 = workbook.styles.add('Style1');
style1.backColor = '#D9E1F2';
style1.hAlign = HAlignType.left;
style1.vAlign = VAlignType.center;
style1.bold = true;
final Style style2 = workbook.styles.add('Style2');
style2.backColor = '#8EA9DB';
style2.vAlign = VAlignType.center;
style2.numberFormat = r'[Red](\$#,###)';
style2.bold = true;
sheet1.getRangeByName('A10').cellStyle = style1;
sheet1.getRangeByName('B10:D10').cellStyle.backColor = '#D9E1F2';
sheet1.getRangeByName('B10:D10').cellStyle.hAlign = HAlignType.right;
sheet1.getRangeByName('B10:D10').cellStyle.vAlign = VAlignType.center;
sheet1.getRangeByName('B10:D10').cellStyle.bold = true;
sheet1.getRangeByName('A11:A17').cellStyle.vAlign = VAlignType.center;
sheet1.getRangeByName('A11:D17').cellStyle.borders.bottom.lineStyle =
LineStyle.thin;
sheet1.getRangeByName('A11:D17').cellStyle.borders.bottom.color = '#BFBFBF';
sheet1.getRangeByName('D18').cellStyle = style2;
sheet1.getRangeByName('D18').cellStyle.vAlign = VAlignType.center;
sheet1.getRangeByName('A18:C18').cellStyle.backColor = '#8EA9DB';
sheet1.getRangeByName('A18:C18').cellStyle.vAlign = VAlignType.center;
sheet1.getRangeByName('A18:C18').cellStyle.bold = true;
sheet1.getRangeByName('A18:C18').numberFormat = r'\$#,###';
sheet1.getRangeByIndex(10, 1).setText('Category');
sheet1.getRangeByIndex(10, 2).setText('Expected cost');
sheet1.getRangeByIndex(10, 3).setText('Actual Cost');
sheet1.getRangeByIndex(10, 4).setText('Difference');
sheet1.getRangeByIndex(11, 1).setText('Venue');
sheet1.getRangeByIndex(12, 1).setText('Seating & Decor');
sheet1.getRangeByIndex(13, 1).setText('Technical team');
sheet1.getRangeByIndex(14, 1).setText('Performers');
sheet1.getRangeByIndex(15, 1).setText("Performer's transport");
sheet1.getRangeByIndex(16, 1).setText("Performer's stay");
sheet1.getRangeByIndex(17, 1).setText('Marketing');
sheet1.getRangeByIndex(18, 1).setText('Total');
sheet1.getRangeByName('B11:D17').numberFormat = r'\$#,###';
sheet1.getRangeByName('D11').numberFormat = r'[Red](\$#,###)';
sheet1.getRangeByName('D12').numberFormat = r'[Red](\$#,###)';
sheet1.getRangeByName('D14').numberFormat = r'[Red](\$#,###)';
sheet1.getRangeByName('B11').setNumber(16250);
sheet1.getRangeByName('B12').setNumber(1600);
sheet1.getRangeByName('B13').setNumber(1000);
sheet1.getRangeByName('B14').setNumber(12400);
sheet1.getRangeByName('B15').setNumber(3000);
sheet1.getRangeByName('B16').setNumber(4500);
sheet1.getRangeByName('B17').setNumber(3000);
sheet1.getRangeByName('B18').setFormula('=SUM(B11:B17)');
sheet1.getRangeByName('C11').setNumber(17500);
sheet1.getRangeByName('C12').setNumber(1828);
sheet1.getRangeByName('C13').setNumber(800);
sheet1.getRangeByName('C14').setNumber(14000);
sheet1.getRangeByName('C15').setNumber(2600);
sheet1.getRangeByName('C16').setNumber(4464);
sheet1.getRangeByName('C17').setNumber(2700);
sheet1.getRangeByName('C18').setFormula('=SUM(C11:C17)');
sheet1.getRangeByName('D11').setFormula('=IF(C11>B11,C11-B11,B11-C11)');
sheet1.getRangeByName('D12').setFormula('=IF(C12>B12,C12-B12,B12-C12)');
sheet1.getRangeByName('D13').setFormula('=IF(C13>B13,C13-B13,B13-C13)');
sheet1.getRangeByName('D14').setFormula('=IF(C14>B14,C14-B14,B14-C14)');
sheet1.getRangeByName('D15').setFormula('=IF(C15>B15,C15-B15,B15-C15)');
sheet1.getRangeByName('D16').setFormula('=IF(C16>B16,C16-B16,B16-C16)');
sheet1.getRangeByName('D17').setFormula('=IF(C17>B17,C17-B17,B17-C17)');
sheet1.getRangeByName('D18').setFormula('=IF(C18>B18,C18-B18,B18-C18)');
// Create chart collection for worksheet.
final ChartCollection charts = ChartCollection(sheet1);
// Add a chart to the chart collection.
final Chart chart = charts.add();
chart.chartType = ExcelChartType.pie;
chart.dataRange = sheet1.getRangeByName('A11:B17');
chart.isSeriesInRows = false;
chart.chartTitle = 'Event Expenses';
chart.chartTitleArea.bold = true;
chart.chartTitleArea.size = 16;
chart.topRow = 1;
chart.bottomRow = 10;
chart.leftColumn = 1;
chart.rightColumn = 5;
sheet1.charts = charts;
//Save and launch Excel.
final List<int> bytes = workbook.saveAsStream();
workbook.dispose();
await saveAndLaunchFile(bytes, 'ExpenseReport.xlsx');
}
}