Add column width settings

src/Spout/Writer/Common/Entity/Sheet.php

@@ -26,6 +26,10 @@ class Sheet
 
     /** @var SheetManager Sheet manager */
     private $sheetManager;
+    /**
+     * @var array<int, int>
+     */
+    private $columnWidths = [];
 
     /**
      * @param int $sheetIndex Index of the sheet, based on order in the workbook (zero-based)
@@ -108,4 +112,23 @@ class Sheet
 
         return $this;
     }
+
+    /**
+     * @return array<int, int>
+     */
+    public function getColumnWidths()
+    {
+        return $this->columnWidths;
+    }
+
+    /**
+     * @param array<int, int> $columnWidths
+     * @return Sheet
+     */
+    public function setColumnWidths(array $columnWidths)
+    {
+        $this->columnWidths = $columnWidths;
+
+        return $this;
+    }
 }

src/Spout/Writer/XLSX/Manager/WorksheetManager.php

@@ -59,6 +59,9 @@ EOD;
     /** @var StringHelper String helper */
     private $stringHelper;
 
+    /** @var bool */
+    private $isSheetDataStarted = false;
+
     /**
      * WorksheetManager constructor.
      *
@@ -107,7 +110,35 @@ EOD;
         $worksheet->setFilePointer($sheetFilePointer);
 
         \fwrite($sheetFilePointer, self::SHEET_XML_FILE_HEADER);
-        \fwrite($sheetFilePointer, '<sheetData>');
+    }
+
+    /**
+     * @param Worksheet $worksheet The worksheet to start data to
+     * @return void
+     */
+    private function startSheetData(Worksheet $worksheet)
+    {
+        if ($this->isSheetDataStarted) {
+            return;
+        }
+
+        $columnWidths = $worksheet->getExternalSheet()->getColumnWidths();
+        if ($columnWidths !== []) {
+            $columnWidthsSpec = '<cols>';
+            foreach ($columnWidths as $columnIndex => $columnWidth) {
+                $columnWidthsSpec .= sprintf(
+                    '<col min="%1$s" max="%1$s" width="%2$s" customWidth="true"/>',
+                    $columnIndex,
+                    $columnWidth
+                );
+            }
+            $columnWidthsSpec .= '</cols>';
+            \fwrite($worksheet->getFilePointer(), $columnWidthsSpec);
+        }
+
+        \fwrite($worksheet->getFilePointer(), '<sheetData>');
+
+        $this->isSheetDataStarted = true;
     }
 
     /**
@@ -147,6 +178,8 @@ EOD;
      */
     private function addNonEmptyRow(Worksheet $worksheet, Row $row)
     {
+        $this->startSheetData($worksheet);
+
         $rowStyle = $row->getStyle();
         $rowIndexOneBased = $worksheet->getLastWrittenRowIndex() + 1;
         $numCells = $row->getNumCells();
@@ -286,6 +319,8 @@ EOD;
             return;
         }
 
+        $this->startSheetData($worksheet);
+
         \fwrite($worksheetFilePointer, '</sheetData>');
         \fwrite($worksheetFilePointer, '</worksheet>');
         \fclose($worksheetFilePointer);

tests/Spout/Writer/XLSX/SheetTest.php

@@ -92,6 +92,34 @@ class SheetTest extends TestCase
         $this->assertStringContainsString(' state="hidden"', $xmlContents, 'The sheet visibility should have been changed to "hidden"');
     }
 
+    /**
+     * @return void
+     */
+    public function testSetSheetColumnWidthsShouldCreateSheetWidthCustomWidths()
+    {
+        $fileName = 'test_set_column_widths.xlsx';
+        $this->createGeneratedFolderIfNeeded($fileName);
+        $resourcePath = $this->getGeneratedResourcePath($fileName);
+
+        $writer = WriterEntityFactory::createXLSXWriter();
+        $writer->openToFile($resourcePath);
+
+        $sheet = $writer->getCurrentSheet();
+        $sheet->setColumnWidths([
+            1 => 10,
+            3 => 40,
+        ]);
+
+        $writer->addRow($this->createRowFromValues(['xlsx--11', 'xlsx--12']));
+        $writer->close();
+
+        $resourcePath = $this->getGeneratedResourcePath($fileName);
+        $pathToWorkbookFile = $resourcePath . '#xl/worksheets/sheet1.xml';
+        $xmlContents = file_get_contents('zip://' . $pathToWorkbookFile);
+
+        $this->assertStringContainsString('<cols>', $xmlContents);
+    }
+
     /**
      * @param string $fileName
      * @param string $sheetName