Julien Carion (juca) 8873795799 [FIX] web: autocomplete may prevent change event
This commit fixes a pretty specific issue within autocomplete behavior
where the change event after clearing the value is prevented.
Steps to reproduce:
- go to an empty autocomplete and click on it
- start typing a search with results
- click on the first result
- without focusing out, clear the input and finally click out

No change event is triggered on click out in this case so the cleared
value is not updated in the end and saving the record will keep the
non cleared value.
The t-on-mousedown.prevent in the dropdown was mainly used to keep the
focus on the input after selecting a value for the autocomplete. This
introduces a side effect: when one starts typing on the initially empty
autocomplete, the browser keeps the initial value of the input in memory
until it is focused out (and therefore blurred). When the input is
focused out, it will compare the current value of the input with the
stored initial value and decide to trigger a change event based on the
comparison between the two values: if these are different, the change
will trigger. In our case, since the mousedown event on a search result
is prevented, no focus out will happen and therefore the browser will
still wait for the next focus out to trigger the eventual change event.
But since we clear the input before focusing out, the two values are
empty and no change event is triggered which introduces the issue.
To fix it, we remove the t-on-mousedown.prevent of the template and
manually avoid triggering the onInputBlur method with a flag to keep
the previous behavior and we finally focus on the input programatically
after selecting a value.

task-3734818

closes odoo/odoo#154448

X-original-commit: 9d3d5d937e37ab6ef0c393e11cfb449f2897f6c1
Signed-off-by: Julien Mougenot (jum) <jum@odoo.com>
Signed-off-by: Julien Carion (juca) <juca@odoo.com>
2024-02-19 16:29:15 +00:00
2024-02-16 06:13:58 +00:00
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