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- header config extended with a callback returning an HTML string or a widget - API page migrated to Usage/Example sections with the ts signature - guide section with subsections on markup, widgets, events and collapsing - v9.4 changelog entry, new snippets and readable related links
- intro paragraph, header height nested under the cell header section - sizing, visibility and collapsing sections regrouped - custom header collapsing moved to the collapsibility section - explicit backticked labels for api links, jsx fences on the page - readable related links on the headerIcon and headerImage pages, with the broken layout/api paths and the #cellheader anchor fixed - header page: callback parameter described in its own list item, examples split per case, attach() added to the related api list
mafanya23
commented
Sep 17, 2026
| # Configuration of a Cell | ||
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| Each cell of a layout takes a configuration object that defines what the cell shows and how it behaves. The properties of this object set the content and the header of a cell, its size and borders, and the ability of a user to collapse, hide or resize the cell. The sections below go through these settings one by one, while the full list of the available properties is in the [Cell API](layout/api/api_overview.md#cell-api) overview. | ||
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добавлено интро в гайд
mafanya23
commented
Sep 17, 2026
| If the [](layout/api/cell/layout_cell_header_config.md) property is not set in the config of a cell, the [](layout/api/cell/layout_cell_headerheight_config.md) option will add a header without text for a cell. | ||
| If the [`header`](layout/api/cell/layout_cell_header_config.md) property is not set in the config of a cell, the [`headerHeight`](layout/api/cell/layout_cell_headerheight_config.md) option will add a header without text for a cell. | ||
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| ## Custom content in a cell header |
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новый раздел здесь
mafanya23
commented
Sep 17, 2026
| ~~~ | ||
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| **Related sample**: [Layout. Collapsable and resizable](https://snippet.dhtmlx.com/f1f49n35) | ||
| A [`collapsable`](layout/api/cell/layout_cell_collapsable_config.md) cell keeps its collapse/expand icon when the header contains custom content. A click on the custom content itself calls no API of the cell, so buttons and other controls inside the header remain operable. A user collapses and expands the cell by clicking the collapse icon or the free space of the header. |
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новый параграф о collapse/expand icon для кастомного контента в хедере ячейки
mafanya23
requested review from
Sorokin-Oleg and
serhiipylypchuk1991
and removed request for
serhiipylypchuk1991
September 17, 2026 09:28
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В рамках задачи обновлена структура гайда Configuration of a Cell. Новые разделы, которые нужно проверить в обновлённом гайде, указаны в комментариях к файлу