Breakpoints removed from the sidebar on notebook closed

[KsavinN]

Resolved by Jeremy in PR #308

This branch needs to be rebased and refactored after this PR #290

resolve issue #168.

• after close all notebooks clear breakpoints.

After close widget:

[jtpio]

Should we really clear the breakpoints from the state in the kernel? Or just from the UI?

If we re-open the notebook the breakpoints will be gone, even if the kernel was not shut down.

[KsavinN]

Should we really clear the breakpoints from the state in the kernel? Or just from the UI?

If we re-open the notebook the breakpoints will be gone, even if the kernel was not shut down.

It should still have breakpoints. It should only clear UI.

[jtpio]

This shouldn't be specific to breakpoints only. There is a similar issue when the execution is stopped and the notebook is closed:

Maybe there could be a more generic model cleanup method that would be triggered when the widget is disposed? The sidebar would react to model changes and clean itself up.

[jtpio]

Ideally this would also handle kernel changes, so the sidebar UI would be cleared when the kernel is changed: