fix html_writer import + missing readonly attribute

PhilippImhof · PhilippImhof · commit 7a2bb17a20f2 · 2025-05-20T11:07:26.000+02:00
diff --git a/renderer.php b/renderer.php
@@ -22,8 +22,6 @@
  * @license    https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
-use core\output\html_writer;
-
 /**
  * Base class for generating the bits of output for formulas questions.
  *
@@ -417,7 +415,7 @@ protected function create_input_box(qtype_formulas_part $part, $answerindex,
         ];
 
         if ($displayoptions->readonly) {
-            $inputattributes['disabled'] = 'disabled';
+            $inputattributes['readonly'] = 'readonly';
         }
 
         // For accessibility, a label has to be added. The string is depends on the number of parts (single or multi part),

Original file line number	Diff line number	Diff line change
`@@ -22,8 +22,6 @@`
`22`	`22`	`* @license https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later`
`23`	`23`	`*/`
`24`	`24`
`25`		`-use core\output\html_writer;`
`26`		`-`
`27`	`25`	`/**`
`28`	`26`	`* Base class for generating the bits of output for formulas questions.`
`29`	`27`	`*`
`@@ -417,7 +415,7 @@ protected function create_input_box(qtype_formulas_part $part, $answerindex,`
`417`	`415`	`];`
`418`	`416`
`419`	`417`	`if ($displayoptions->readonly) {`
`420`		`- $inputattributes['disabled'] = 'disabled';`
	`418`	`+ $inputattributes['readonly'] = 'readonly';`
`421`	`419`	`}`
`422`	`420`
`423`	`421`	`// For accessibility, a label has to be added. The string is depends on the number of parts (single or multi part),`