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lib/PhpSpreadsheet/Worksheet/AutoFit.php

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+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Worksheet;
+
+use PhpOffice\PhpSpreadsheet\Cell\CellAddress;
+use PhpOffice\PhpSpreadsheet\Cell\CellRange;
+use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
+
+class AutoFit
+{
+    protected Worksheet $worksheet;
+
+    public function __construct(Worksheet $worksheet)
+    {
+        $this->worksheet = $worksheet;
+    }
+
+    public function getAutoFilterIndentRanges(): array
+    {
+        $autoFilterIndentRanges = [];
+        $autoFilterIndentRanges[] = $this->getAutoFilterIndentRange($this->worksheet->getAutoFilter());
+
+        foreach ($this->worksheet->getTableCollection() as $table) {
+            /** @var Table $table */
+            if ($table->getShowHeaderRow() === true && $table->getAllowFilter() === true) {
+                $autoFilter = $table->getAutoFilter();
+                if ($autoFilter !== null) {
+                    $autoFilterIndentRanges[] = $this->getAutoFilterIndentRange($autoFilter);
+                }
+            }
+        }
+
+        return array_filter($autoFilterIndentRanges);
+    }
+
+    private function getAutoFilterIndentRange(AutoFilter $autoFilter): ?string
+    {
+        $autoFilterRange = $autoFilter->getRange();
+        $autoFilterIndentRange = null;
+
+        if (!empty($autoFilterRange)) {
+            $autoFilterRangeBoundaries = Coordinate::rangeBoundaries($autoFilterRange);
+            $autoFilterIndentRange = (string) new CellRange(
+                CellAddress::fromColumnAndRow($autoFilterRangeBoundaries[0][0], $autoFilterRangeBoundaries[0][1]),
+                CellAddress::fromColumnAndRow($autoFilterRangeBoundaries[1][0], $autoFilterRangeBoundaries[0][1])
+            );
+        }
+
+        return $autoFilterIndentRange;
+    }
+}