MDL-51603 dataformat_ods: Setting the sheet name

Clearning according to Box\Spout\Writer\Common\Sheet::isNameValid

dataformat/ods/classes/writer.php

@@ -46,5 +46,26 @@ class writer extends \core\dataformat\spout_base {
     /** @var $spouttype */
     protected $spouttype = \Box\Spout\Common\Type::ODS;
 
+    /**
+     * Set the title of the worksheet inside a spreadsheet
+     *
+     * For some formats this will be ignored.
+     *
+     * @param string $title
+     */
+    public function set_sheettitle($title) {
+        if (!$title) {
+            return;
+        }
+
+        // Replace any characters in the name that ODS cannot cope with.
+        $title = strtr(trim($title, "'"), '[]*/\?:', '       ');
+        // Shorten the title if necessary.
+        $title = \core_text::substr($title, 0, 31);
+        // After the substr, we might now have a single quote on the end.
+        $title = trim($title, "'");
+
+        $this->sheettitle = $title;
+    }
 }