feat(ui): DH-19818: add nested dashboard support#1302
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mofojed wants to merge 18 commits intodeephaven:mainfrom
Open
feat(ui): DH-19818: add nested dashboard support#1302mofojed wants to merge 18 commits intodeephaven:mainfrom
mofojed wants to merge 18 commits intodeephaven:mainfrom
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- Dashboard component now detects when inside a panel and delegates to NestedDashboard - NestedDashboard uses DHCDashboard from @deephaven/dashboard to create isolated GoldenLayout - NestedDashboardContent provides context providers for nested panels - DashboardContent extracted for top-level dashboard rendering - Add E2E tests and Python test fixtures for nested dashboards - Add unit tests for Dashboard and NestedDashboard components DH-19818
- Just using usePersistentState and it seems to work - Sometimes the nested dashboards don't load correctly, seems to be an intermittent issue/some sort of race condition. Will debug later, after writing docs
- Update rules to clarify root-level vs nested dashboard restrictions - Update bottom-level section to reference nested dashboards - Add Nested Dashboards section with examples to dashboard.md - Add Nested Dashboards section to creating-dashboards.md guide - Add example for sharing state between nested dashboards
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mofojed
requested review from
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dsmmcken,
jnumainville and
vbabich
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- Separated into its own PR: deephaven#1303
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dsmmcken
requested changes
Feb 17, 2026
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| ## Nested Dashboards | ||
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| Dashboards can be nested inside panels to create complex layouts with isolated drag-and-drop regions. Each nested dashboard creates its own independent layout that users can rearrange without affecting the parent dashboard. |
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Do we need an enterprise only note that dashboards not defined at root won't appear in the shared dashboards list?
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Hmm well the dashboard doesn't have a name... but yea I'll make that clear. In DHC it won't appear in your panels list either.
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jnumainville
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Feb 18, 2026
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jnumainville
previously approved these changes
Feb 20, 2026
Co-authored-by: margaretkennedy <82049573+margaretkennedy@users.noreply.github.com>
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margaretkennedy
previously approved these changes
Feb 23, 2026
jnumainville
previously approved these changes
Feb 23, 2026
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Found these issues while testing:
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Member
Author
Both of those empty content issues are reproducible in Core by just deselecting "Close Panels on Disconnect", creating a simple nested dashboard and opening, and then refreshing: from deephaven import ui
d = ui.panel(
ui.dashboard(
ui.row(
ui.panel(ui.text("Content A"), title="Panel A"),
ui.panel(ui.text("Content B"), title="Panel B")
)
)
)
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- Was trying to re-open the layout after it was already set in the layout config - Just don't set the layout config, that's how we handle other deephaven.ui dashboards - The widget state is still preserved, so input/filters set within nested dashboards still is preserved - There still seems to be an intermittent issue where sometimes when opening a nested dashboard, it displays incorrectly (just an empty black square)
mofojed
dismissed stale reviews from jnumainville and margaretkennedy
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- Pass down the __dhId correctly to the NestedDashboardContent - That's what's calling the usePersistentState, so that's what needs the dhId set - Don't register event listeners from nested DashboardPlugin - Just need to register the PortalPanel stuff
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NestedDashboardNestedDashboardusesDashboardfrom@deephaven/dashboardto create isolated layoutNestedDashboardContentprovides context providers for nested panelsDashboardContentextracted for top-level dashboard renderingDashboardandNestedDashboardcomponents