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Prevent closing the tab when there are unsaved changes #253

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merged 1 commit into from
Sep 13, 2022
Merged

Prevent closing the tab when there are unsaved changes #253

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8 changes: 8 additions & 0 deletions timetagger/app/stores.py
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Original file line number Diff line number Diff line change
Expand Up @@ -695,6 +695,14 @@ def __init__(self):
window.document.addEventListener(
"visibilitychange", lambda: self.sync_soon(1.0), False
)
window.addEventListener("beforeunload", self._beforeunload, False)

def _beforeunload(self, ev):
if self.state == "pending":
msg = "The most recent changes have not yet been stored."
ev.returnValue = msg
return msg
return None

def reset(self):
# The sub stores
Expand Down