Currently we have such an aproach: When agent or cluster is not availibe we block the whole screen and show a modal window with instructions (like in Notebooks screen). This approach is a bad UX case as it frustrates user with blocking and forcing to change state.
We should implement a less obtrusive aproach by showing message in body of ignite-grid table, allowing user to stay on current state and not blocking the whole UI.
This component should comply for following requirements:
1) It sholuld be universal - applicable in context of any ignite-grid table usage.
2) Should handle common cases like missing agent or cluster under the hood.
3) Should have a possibility of enhancing for other special cases in different components.