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basic_action_system.md: minor

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Yann Cébron 2024-03-12 11:45:15 +01:00
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topics/basics/basic_action_system.md
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<!-- Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license. -->
<!-- Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license. -->
# Actions
@ -33,7 +33,7 @@ The IntelliJ Platform calls methods of actions when a user interacts with a menu
> If the `AnAction` class uses a field to store data that has a shorter lifetime and doesn't clear this data promptly, the data leaks.
> For example, any `AnAction` data that exists only within the context of a `Project` causes the `Project` to be kept in memory after the user has closed it.
>
{style="warning"}
{style="warning" title="No fields allowed"}
### Principal Implementation Overrides
@ -74,7 +74,7 @@ Implementors must ensure that changing presentation and availability status hand
> It must _execute very quickly_; no real work must be performed.
> For example, checking selection in a tree or a list is considered valid, but working with the file system is not.
>
{style="warning"}
{style="warning" title="Performance"}
> If the new state of an action cannot be determined quickly, then evaluation should be performed in the `AnAction.actionPerformed()` method, and [notify](notifications.md) the user that the action cannot be executed if the context isn't suitable.
>