sipadu_mbip/app/Exports/EnforcerStatisticSheet.php

<?php
namespace App\Exports;

use Maatwebsite\Excel\Concerns\FromCollection;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithTitle;
use Maatwebsite\Excel\Concerns\ShouldAutoSize;
use Maatwebsite\Excel\Concerns\WithStrictNullComparison;
use Maatwebsite\Excel\Concerns\WithCalculatedFormulas;
use Maatwebsite\Excel\Concerns\WithStartRow;
use Maatwebsite\Excel\Concerns\WithCustomStartCell;
use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
use Maatwebsite\Excel\Concerns\WithColumnFormatting;

use Maatwebsite\Excel\Concerns\WithEvents;
use Maatwebsite\Excel\Events\BeforeExport;
use Maatwebsite\Excel\Events\AfterSheet;

use PhpOffice\PhpSpreadsheet\Cell\Coordinate;

class EnforcerStatisticSheet implements FromCollection, WithHeadings, ShouldAutoSize, WithTitle, WithEvents, WithStrictNullComparison, WithCalculatedFormulas, WithCustomStartCell
{
    protected $data, $year, $title, $text_last_row;

    public function __construct($data, $year, $title)
    {
        $this->data = $data;
        $this->year = $year;
        $this->title = $this->year.'('.$title.')';

        if($title == 'KEPING'){
            $this->text_last_row = 'JUMLAH PENGELUARAN KOMPAUN BAGI SETIAP ANGGOTA ADALAH SEBANYAK 14 KEPING SEBULAN = 168 KEPING SETAHUN';
        }else {
             $this->text_last_row = 'JUMLAH PENGELUARAN KOMPAUN BAGI SETIAP ANGGOTA ADALAH SEBANYAK 1000.00 SEBULAN';
        }
    }

    public function collection()
    {
        return collect($this->data);
    }

    public function headings(): array
    {
        return [
                'BIL',
                'NAMA ANGGOTA',
                'JAN',
                'FEB',
                'MAC',
                'APRIL',
                'MEI',
                'JUN',
                'JULAI',
                'OGOS',
                'SEPT',
                'OKT', 
                'NOV',
                'DIS',
                'JUM',
            ];
    }

    public function title(): string
    {
        return $this->title;
    }

    public function startCell(): string
    {
        return 'A4';
    }

    public function registerEvents(): array
    {
        return [
            AfterSheet::class => function(AfterSheet $event) {
                
                // set up a style array for cell formatting
                $style_bold_text_center = [
                    'alignment' => [
                        'horizontal' => 'center',
                        'vertical' => 'center', 
                    ],
                    'font' => [
                        'bold' => true
                    ],

                ];

                $style_bold_text_left = [
                    'alignment' => [
                        'horizontal' => 'left',
                    ],
                    'font' => [
                        'bold' => true
                    ]
                ];

                $style_normal_text_left = [
                    'alignment' => [
                        'horizontal' => 'left',
                    ],
                    'font' => [
                        'bold' => false
                    ]
                ];

                $style_normal_text_center = [
                    'alignment' => [
                        'horizontal' => 'center',
                    ],
                    'font' => [
                        'bold' => false
                    ]
                ];

                $style_border = [
                   'borders' => [
                        'allBorders' => [
                            'borderStyle' => \PhpOffice\PhpSpreadsheet\Style\Border::BORDER_THICK,
                            'color' => ['argb' => '000000'],
                        ],
                    ],
                ];

                if(count($this->data) > 0){
                    // last column as letter value (e.g., D)
                    $last_column = Coordinate::stringFromColumnIndex(count($this->data[0]));
                    $second_last_column = Coordinate::stringFromColumnIndex(count($this->data[0])-1);
                    // calculate last row + 1 (total results + header rows + column headings row + new row)
                    $last_row = count($this->data) + 2 + 2 + 1 + 3;

                    // merge cells for header
                    $event->sheet->mergeCells('A3:A4');
                    $event->sheet->mergeCells('B3:B4');
                    $event->sheet->mergeCells(sprintf('C3:%s3', $second_last_column));
                    $event->sheet->mergeCells(sprintf('%s3:%s4',$last_column, $last_column));

                    // merge cells for full-width
                    $event->sheet->mergeCells(sprintf('A1:%s1',$last_column));
                    $event->sheet->mergeCells(sprintf('A2:%s2',$last_column));
                    $event->sheet->mergeCells(sprintf('B%d:%s%d',$last_row,$last_column,$last_row));

                    // assign cell values
                    $event->sheet->setCellValue('A1','STATISTIK PENGELUARAN KOMPAUN (BULANAN) BAGI TAHUN '.$this->year);
                    $event->sheet->setCellValue('A2','');
                    $event->sheet->setCellValue('A3','BIL');
                    $event->sheet->setCellValue('B3','NAMA ANGGOTA');
                    $event->sheet->setCellValue(sprintf('%s3',$last_column),'JUM');
                    $event->sheet->setCellValue('C3','BULAN');
                    $event->sheet->setCellValue('C4','JAN');
                    $event->sheet->setCellValue('D4','FEB');
                    $event->sheet->setCellValue('E4','MAC');
                    $event->sheet->setCellValue('F4','APRIL');
                    $event->sheet->setCellValue('G4','MEI');
                    $event->sheet->setCellValue('H4','JUN');
                    $event->sheet->setCellValue('I4','JULAI');
                    $event->sheet->setCellValue('J4','OGOS');
                    $event->sheet->setCellValue('K4','SEPT');
                    $event->sheet->setCellValue('L4','OKT');
                    $event->sheet->setCellValue('M4','NOV');
                    $event->sheet->setCellValue('N4','DIS');

                    $event->sheet->setCellValue(sprintf('A%d',$last_row),'**');
                    $event->sheet->setCellValue(sprintf('B%d',$last_row), $this->text_last_row);
                    $event->sheet->setCellValue(sprintf('B%d',$last_row-2), 'JUMLAH BESAR');
                    $event->sheet->setCellValue(sprintf('C%d',$last_row-2), '=SUM(C5:C'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('D%d',$last_row-2), '=SUM(D5:D'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('E%d',$last_row-2), '=SUM(E5:E'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('F%d',$last_row-2), '=SUM(F5:F'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('G%d',$last_row-2), '=SUM(G5:G'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('H%d',$last_row-2), '=SUM(H5:H'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('I%d',$last_row-2), '=SUM(I5:I'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('J%d',$last_row-2), '=SUM(J5:J'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('K%d',$last_row-2), '=SUM(K5:K'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('L%d',$last_row-2), '=SUM(L5:L'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('M%d',$last_row-2), '=SUM(M5:M'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('N%d',$last_row-2), '=SUM(N5:N'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('O%d',$last_row-2), '=SUM(O5:O'.($last_row-3).')');

                    // assign cell styles
                    $event->sheet->getStyle('A1:A2')->applyFromArray($style_bold_text_center);
                    $event->sheet->getStyle(sprintf('A3:%s3',$last_column))->applyFromArray($style_bold_text_center);
                    $event->sheet->getStyle('C4:N4')->applyFromArray($style_bold_text_center);
                    $event->sheet->getStyle(sprintf('A5:A%d',($last_row-2)))->applyFromArray($style_bold_text_center);
                    $event->sheet->getStyle(sprintf('%s5:%s%d',$last_column,$last_column,($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('C5:C%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('D5:D%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('E5:E%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('F5:F%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('G5:G%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('H5:H%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('I5:I%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('J5:J%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('K5:K%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('L5:L%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('M5:M%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('N5:N%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('B%d:O%d',($last_row-2),($last_row-2)))->applyFromArray($style_bold_text_center);

                    $event->sheet->getStyle('A3:O3')->getFill()
                                 ->setFillType(\PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID)
                                 ->getStartColor()->setARGB('A5A5A5');
                    $event->sheet->getStyle('C4:N4')->getFill()
                                 ->setFillType(\PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID)
                                 ->getStartColor()->setARGB('A5A5A5');
                    $event->sheet->getStyle(sprintf('A%d:O%d', ($last_row-2), ($last_row-2) ))->getFill()
                                 ->setFillType(\PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID)
                                 ->getStartColor()->setARGB('A5A5A5');
                    $event->sheet->getStyle(sprintf('A5:A%d', ($last_row-3)))->getFill()
                                 ->setFillType(\PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID)
                                 ->getStartColor()->setARGB('E5B8B7');
                    $event->sheet->getStyle(sprintf('B5:B%d', ($last_row-3)))->getFill()
                                 ->setFillType(\PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID)
                                 ->getStartColor()->setARGB('E5B8B7');
                    $event->sheet->getStyle(sprintf('O5:O%d', ($last_row-3)))->getFill()
                                 ->setFillType(\PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID)
                                 ->getStartColor()->setARGB('E5B8B7');

                    $event->sheet->getStyle(sprintf('A%d',$last_row))->applyFromArray($style_bold_text_left);
                    $event->sheet->getStyle(sprintf('B%d',$last_row))->applyFromArray($style_bold_text_left);

                    // assign border styles
                    $event->sheet->getStyle(sprintf('A3:A%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('B3:B%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('C3:C%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('D3:D%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('E3:E%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('F3:F%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('G3:G%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('H3:H%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('I3:I%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('J3:J%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('K3:K%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('L3:L%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('M3:M%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('N3:N%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('O3:O%d',($last_row-2)))->applyFromArray($style_border);
                }
            },
        ];
    }
}