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Add alternative width calculation option with empty space

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This commit is contained in:
Xwiz 2022-02-12 17:39:40 +01:00
parent ea22cac7e4
commit 0a56c40b71
3 changed files with 33 additions and 2 deletions
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1
src/Spout/Writer/Common/Entity/Worksheet.php
View File

@ -34,6 +34,7 @@ class Worksheet
public const W_FULL = 1;
public const W_FIXED = 2;
public const W_FULL_ALT = 3;
public const W_NONE = 0;
public const DEFAULT_COL_WIDTH = 30;
public const DEFAULT_FIXED_WIDTH = 320;

17
src/Spout/Writer/Common/Helper/AppendHelper.php
View File

@ -28,4 +28,21 @@ class AppendHelper {
fwrite($fp, $trailer);
return $fp;
}
/**
* This function overwrite data in pointer from specified position
*
* @param $fp Pointer to file only
* @param $pos Position to insert
* @param $content Content to insert
*/
public static function overwriteToFile($fp, $pos, $content)
{
$cur = ftell($fp);
fseek($fp, $pos);
fwrite($fp, $content);
fseek($fp, $cur);
return $fp;
}
}

15
src/Spout/Writer/XLSX/Manager/WorksheetManager.php
View File

@ -125,6 +125,15 @@ EOD;
if ($worksheet->getWidthCalculation() != Worksheet::W_NONE) {
$this->headWritePosition = ftell($sheetFilePointer);
}
//width calculation style 3 with empty spaces.. not suitable if column sizes more than 40
if ($worksheet->getWidthCalculation() == Worksheet::W_FULL_ALT) {
//insert dummy nodes for up to 40 columns
for ($i = 0; $i < 40; $i++) {
$dummy = " ";
\fwrite($sheetFilePointer, $dummy);
}
}
\fwrite($sheetFilePointer, '<sheetData>');
}
@ -330,7 +339,11 @@ EOD;
$colNode .= '<col hidden="false" collapsed="false" min="'.$colAffect.'" max="'.$colAffect.'" width="'.$width.'" customWidth="true"/>';
}
$colNode .= '</cols>';
$worksheetFilePointer = AppendHelper::insertToFile($worksheetFilePointer, $this->headWritePosition, $colNode);
if ($worksheet->getWidthCalculation() == Worksheet::W_FULL_ALT) {
$worksheetFilePointer = AppendHelper::overwriteToFile($worksheetFilePointer, $this->headWritePosition, $colNode);
} else {
$worksheetFilePointer = AppendHelper::insertToFile($worksheetFilePointer, $this->headWritePosition, $colNode);
}
}
\fwrite($worksheetFilePointer, '</worksheet>');