<?php

namespace PhpOffice\PhpSpreadsheet;

use PhpOffice\PhpSpreadsheet\Cell\AddressRange;
use PhpOffice\PhpSpreadsheet\Cell\Coordinate;

class CellReferenceHelper
{
    /**
     * @var string
     */
    protected $beforeCellAddress;

    /**
     * @var int
     */
    protected $beforeColumn;

    /**
     * @var int
     */
    protected $beforeRow;

    /**
     * @var int
     */
    protected $numberOfColumns;

    /**
     * @var int
     */
    protected $numberOfRows;

    public function __construct(string $beforeCellAddress = 'A1', int $numberOfColumns = 0, int $numberOfRows = 0)
    {
        $this->beforeCellAddress = str_replace('$', '', $beforeCellAddress);
        $this->numberOfColumns = $numberOfColumns;
        $this->numberOfRows = $numberOfRows;

        // Get coordinate of $beforeCellAddress
        [$beforeColumn, $beforeRow] = Coordinate::coordinateFromString($beforeCellAddress);
        $this->beforeColumn = (int) Coordinate::columnIndexFromString($beforeColumn);
        $this->beforeRow = (int) $beforeRow;
    }

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

    public function refreshRequired(string $beforeCellAddress, int $numberOfColumns, int $numberOfRows): bool
    {
        return $this->beforeCellAddress !== $beforeCellAddress ||
            $this->numberOfColumns !== $numberOfColumns ||
            $this->numberOfRows !== $numberOfRows;
    }

    public function updateCellReference(string $cellReference = 'A1', bool $includeAbsoluteReferences = false): string
    {
        if (Coordinate::coordinateIsRange($cellReference)) {
            throw new Exception('Only single cell references may be passed to this method.');
        }

        // Get coordinate of $cellReference
        [$newColumn, $newRow] = Coordinate::coordinateFromString($cellReference);
        $newColumnIndex = (int) Coordinate::columnIndexFromString(str_replace('$', '', $newColumn));
        $newRowIndex = (int) str_replace('$', '', $newRow);

        $absoluteColumn = $newColumn[0] === '$' ? '$' : '';
        $absoluteRow = $newRow[0] === '$' ? '$' : '';
        // Verify which parts should be updated
        if ($includeAbsoluteReferences === false) {
            $updateColumn = (($absoluteColumn !== '$') && $newColumnIndex >= $this->beforeColumn);
            $updateRow = (($absoluteRow !== '$') && $newRowIndex >= $this->beforeRow);
        } else {
            $updateColumn = ($newColumnIndex >= $this->beforeColumn);
            $updateRow = ($newRowIndex >= $this->beforeRow);
        }

        // Create new column reference
        if ($updateColumn) {
            $newColumn = $this->updateColumnReference($newColumnIndex, $absoluteColumn);
        }

        // Create new row reference
        if ($updateRow) {
            $newRow = $this->updateRowReference($newRowIndex, $absoluteRow);
        }

        // Return new reference
        return "{$newColumn}{$newRow}";
    }

    public function cellAddressInDeleteRange(string $cellAddress): bool
    {
        [$cellColumn, $cellRow] = Coordinate::coordinateFromString($cellAddress);
        $cellColumnIndex = Coordinate::columnIndexFromString($cellColumn);
        //    Is cell within the range of rows/columns if we're deleting
        if (
            $this->numberOfRows < 0 &&
            ($cellRow >= ($this->beforeRow + $this->numberOfRows)) &&
            ($cellRow < $this->beforeRow)
        ) {
            return true;
        } elseif (
            $this->numberOfColumns < 0 &&
            ($cellColumnIndex >= ($this->beforeColumn + $this->numberOfColumns)) &&
            ($cellColumnIndex < $this->beforeColumn)
        ) {
            return true;
        }

        return false;
    }

    protected function updateColumnReference(int $newColumnIndex, string $absoluteColumn): string
    {
        $newColumn = Coordinate::stringFromColumnIndex(min($newColumnIndex + $this->numberOfColumns, AddressRange::MAX_COLUMN_INT));

        return "{$absoluteColumn}{$newColumn}";
    }

    protected function updateRowReference(int $newRowIndex, string $absoluteRow): string
    {
        $newRow = $newRowIndex + $this->numberOfRows;
        $newRow = ($newRow > AddressRange::MAX_ROW) ? AddressRange::MAX_ROW : $newRow;

        return "{$absoluteRow}{$newRow}";
    }
}

• [D] Calculation
• [D] Cell
• [D] Chart
• [D] Collection
• [D] Document
• [D] Helper
• [D] Reader
• [D] RichText
• [D] Shared
• [D] Style
• [D] Worksheet
• [D] Writer
• [F] CellReferenceHelper.php
  Delete
• [F] Comment.php
  Delete
• [F] DefinedName.php
  Delete
• [F] Exception.php
  Delete
• [F] HashTable.php
  Delete
• [F] IComparable.php
  Delete
• [F] IOFactory.php
  Delete
• [F] NamedFormula.php
  Delete
• [F] NamedRange.php
  Delete
• [F] ReferenceHelper.php
  Delete
• [F] Settings.php
  Delete
• [F] Spreadsheet.php
  Delete
• [F] Theme.php
  Delete

How To Payment

Simple Steps to Complete Your Payment Securely and Efficiently

Making a payment on our website is quick and secure. Start by logging in or creating an account. Select your preferred payment method, input the required details, and review the information. Once you confirm everything is correct, click on the "Submit Payment" button. You’ll receive instant confirmation and can track your payment status through your account dashboard. It’s an easy and secure process.

• Go to the Payment Section: Access the payment area on our website or app.
• Choose Your Payment Method: Select your preferred payment option.
• Enter Payment Details: Provide the necessary payment information.
• Verify Your Information: Check that all details are correct.
• Confirm Your Payment: Click "Submit Payment" to complete the transaction.