From 9dd7c016ed6ed732b802b91915c5f94869e762ac Mon Sep 17 00:00:00 2001
From: Jan-Hendrik Willms <tleilax+studip@gmail.com>
Date: Wed, 28 Aug 2024 09:25:44 +0000
Subject: [PATCH] add before unload handler to avoid data loss in wiki, fixes
#4522
Closes #4522
Merge request studip/studip!3332
---
resources/assets/javascripts/lib/wiki.js | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/resources/assets/javascripts/lib/wiki.js b/resources/assets/javascripts/lib/wiki.js
index 5e273c366a0..4f68fc945c2 100644
--- a/resources/assets/javascripts/lib/wiki.js
+++ b/resources/assets/javascripts/lib/wiki.js
@@ -76,6 +76,10 @@ const Wiki = {
this.$nextTick(() => {
this.editor.editing.view.focus();
});
+ },
+ securityHandler(event) {
+ event.preventDefault();
+ event.returnValue = true;
}
},
mounted() {
@@ -86,7 +90,7 @@ const Wiki = {
editor.editing.view.focus();
}
editor.model.document.on('change:data',() => {
- this.isChanged = true;
+ this.isChanged = editor.getData() !== this.content;
this.lastChangeDate = new Date();
});
this.editor = editor;
@@ -99,6 +103,15 @@ const Wiki = {
.sort((a, b) => a.fullname.localeCompare(b.fullname));
}
},
+ watch: {
+ isChanged(current) {
+ if (current) {
+ window.addEventListener('beforeunload', this.securityHandler);
+ } else {
+ window.removeEventListener('beforeunload', this.securityHandler);
+ }
+ }
+ },
components: { WikiEditorOnlineUsers }
});
}).then((app) => {
--
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