init

lib/PhpSpreadsheet/Writer/Xlsx/RelsRibbon.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Writer\Xlsx;
+
+use PhpOffice\PhpSpreadsheet\Reader\Xlsx\Namespaces;
+use PhpOffice\PhpSpreadsheet\Shared\XMLWriter;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+
+class RelsRibbon extends WriterPart
+{
+    /**
+     * Write relationships for additional objects of custom UI (ribbon).
+     *
+     * @return string XML Output
+     */
+    public function writeRibbonRelationships(Spreadsheet $spreadsheet): string
+    {
+        // Create XML writer
+        $objWriter = null;
+        if ($this->getParentWriter()->getUseDiskCaching()) {
+            $objWriter = new XMLWriter(XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
+        } else {
+            $objWriter = new XMLWriter(XMLWriter::STORAGE_MEMORY);
+        }
+
+        // XML header
+        $objWriter->startDocument('1.0', 'UTF-8', 'yes');
+
+        // Relationships
+        $objWriter->startElement('Relationships');
+        $objWriter->writeAttribute('xmlns', Namespaces::RELATIONSHIPS);
+        $localRels = $spreadsheet->getRibbonBinObjects('names');
+        if (is_array($localRels)) {
+            foreach ($localRels as $aId => $aTarget) {
+                $objWriter->startElement('Relationship');
+                $objWriter->writeAttribute('Id', $aId);
+                $objWriter->writeAttribute('Type', Namespaces::IMAGE);
+                $objWriter->writeAttribute('Target', $aTarget);
+                $objWriter->endElement();
+            }
+        }
+        $objWriter->endElement();
+
+        return $objWriter->getData();
+    }
+}