AIChat: popup and chat default configuration by anna-shakhova · Pull Request #33225 · DevExpress/DevExtreme

anna-shakhova · 2026-04-10T11:58:42Z

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Copilot

Pull request overview

This PR extends the DataGrid AI Assistant integration by introducing default Popup/Chat configuration, exposing additional styling hooks for the Chat empty view, and wiring option-change handling so aiAssistant.popup / aiAssistant.chat updates can be applied at runtime.

Changes:

Export Chat MessageList empty-view CSS class constants and use them to build a localized empty view template in AIChat.
Add default Popup/Chat options (including a clear-chat toolbar button) and support updating Popup/Chat options via AIChat.updateOptions.
Introduce aiAssistant option-change helpers + Jest tests, and update AI Assistant view/controller logic to react to option changes.

Reviewed changes

Copilot reviewed 13 out of 13 changed files in this pull request and generated 8 comments.

Show a summary per file

File	Description
packages/devextreme/js/__internal/ui/chat/messagelist.ts	Exports empty-view CSS class constants for reuse by AI Chat integration.
packages/devextreme/js/__internal/grids/grid_core/m_types.ts	Extends `aiAssistant` options typing with `popup`/`chat` option bags.
packages/devextreme/js/__internal/grids/grid_core/ai_chat/types.ts	Simplifies `AIChatOptions` to rely on `popupOptions`/`chatOptions` rather than bespoke callbacks.
packages/devextreme/js/__internal/grids/grid_core/ai_chat/const.ts	Introduces default Popup/Chat options and the clear-chat icon constant.
packages/devextreme/js/__internal/grids/grid_core/ai_chat/ai_chat.ts	Builds default chat config (empty view template), adds clear button, and supports option updates.
packages/devextreme/js/__internal/grids/grid_core/ai_chat/ai_chat.test.ts	Updates/extends tests for clear button presence and `updateOptions` behavior.
packages/devextreme/js/__internal/grids/grid_core/ai_assistant/utils.ts	Adds helpers to detect which `aiAssistant.*` options changed.
packages/devextreme/js/__internal/grids/grid_core/ai_assistant/const.ts	Adds AI Assistant popup offset constant.
packages/devextreme/js/__internal/grids/grid_core/ai_assistant/ai_assistant_view.ts	Creates Popup/Chat option objects, message store, and handles `aiAssistant` option changes.
packages/devextreme/js/__internal/grids/grid_core/ai_assistant/ai_assistant_view_controller.ts	Syncs toolbar item and active state based on AI Assistant visibility and option changes.
packages/devextreme/js/__internal/grids/grid_core/ai_assistant/tests/utils.test.ts	Adds Jest coverage for option-change helper predicates.
packages/devextreme/js/__internal/grids/grid_core/ai_assistant/tests/ai_assistant_view.test.ts	Updates tests for new Popup/Chat config wiring and optionChanged behavior.
packages/devextreme/js/__internal/grids/grid_core/ai_assistant/tests/ai_assistant_view_controller.test.ts	Updates tests for subscription behavior and enabled/title option handling.

packages/devextreme/js/__internal/grids/grid_core/ai_assistant/ai_assistant_view.ts

packages/devextreme/js/__internal/grids/grid_core/ai_assistant/ai_assistant_view_controller.ts

packages/devextreme/js/__internal/grids/grid_core/m_types.ts

Copilot

Pull request overview

Copilot reviewed 20 out of 20 changed files in this pull request and generated 5 comments.

packages/devextreme/js/__internal/grids/grid_core/ai_assistant/ai_assistant_view.ts

packages/devextreme/js/__internal/grids/grid_core/ai_chat/ai_chat.ts

packages/devextreme-scss/scss/widgets/base/gridBase/layout/ai-chat/_mixins.scss

Copilot

Pull request overview

Copilot reviewed 20 out of 20 changed files in this pull request and generated 4 comments.

packages/devextreme/js/__internal/grids/grid_core/ai_assistant/ai_assistant_view.ts

packages/devextreme-scss/scss/widgets/material/gridBase/_index.scss

packages/devextreme-scss/scss/widgets/generic/gridBase/_index.scss

packages/devextreme-scss/scss/widgets/fluent/gridBase/_index.scss

Alyar666 · 2026-04-13T14:53:59Z

packages/devextreme/js/__internal/grids/grid_core/ai_chat/ai_chat.ts

+    return {
+      ...DEFAULT_CHAT_OPTIONS,
+      emptyViewTemplate: (_data, container): void => {
+        const $image = $('<div>')


Can we extract everything related to the DOM into a separate file – dom.ts? (For example, as it is implemented in sticky_columns)

Currently there is not so much DOM related code in class, lets do it later if we see it is needed (after messageTemplate for example)

Alyar666 · 2026-04-13T14:58:02Z

packages/devextreme/js/__internal/grids/grid_core/ai_chat/ai_chat.ts

    };
  }

+  public updateOptions(options: AIChatOptions, updatePopup: boolean, updateChat: boolean): void {


Minor: rename updatePopup -> needToUpdatePopup, updateChat -> needToUpdateChat

lets fix it in next PR

anna-shakhova self-assigned this Apr 10, 2026

anna-shakhova added skip-cache 26_1 labels Apr 10, 2026

anna-shakhova force-pushed the 26_1__ai_chat_popup branch from cd8e2d2 to ccf3cce Compare April 10, 2026 11:59

Alyar666 self-requested a review April 10, 2026 13:48

anna-shakhova marked this pull request as ready for review April 13, 2026 06:53

anna-shakhova requested a review from a team as a code owner April 13, 2026 06:53

Copilot AI review requested due to automatic review settings April 13, 2026 06:53

anna-shakhova requested a review from a team as a code owner April 13, 2026 06:53

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anna-shakhova force-pushed the 26_1__ai_chat_popup branch from 1bc3374 to bfffd55 Compare April 13, 2026 07:43

Copilot AI review requested due to automatic review settings April 13, 2026 10:21

Copilot started reviewing on behalf of anna-shakhova April 13, 2026 10:22 View session

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anna-shakhova force-pushed the 26_1__ai_chat_popup branch from b84ac8b to e3e72b8 Compare April 13, 2026 12:23

anna-shakhova added 4 commits April 13, 2026 16:18

AIChat: popup and chat default configuration

f0605d5

AIChat: adjust tests

8a1b7d8

AIChat: fix optionChanged to cover object values

2061ee4

AIChat: add css

a0d9936

anna-shakhova force-pushed the 26_1__ai_chat_popup branch from e3e72b8 to b643745 Compare April 13, 2026 14:25

Copilot AI review requested due to automatic review settings April 13, 2026 14:25

Copilot started reviewing on behalf of anna-shakhova April 13, 2026 14:26 View session

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update clear chat icon

afc9abe

anna-shakhova force-pushed the 26_1__ai_chat_popup branch from b643745 to afc9abe Compare April 13, 2026 14:36

Alyar666 approved these changes Apr 14, 2026

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marker-dao approved these changes Apr 14, 2026

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r-farkhutdinov approved these changes Apr 14, 2026

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anna-shakhova merged commit ea5abe2 into DevExpress:26_1 Apr 14, 2026
103 checks passed

anna-shakhova deleted the 26_1__ai_chat_popup branch April 14, 2026 09:04

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