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May 19, 2025
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Ray's improvements #7

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16 changes: 8 additions & 8 deletions README.md
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Expand Up @@ -5,11 +5,11 @@
<!-- default badges end -->
# Blazor Tabs - Create a Dynamic Tabbed Interface

The example creates an interactive multi-tab web interface with DevExpress Blazor [Tabs](https://docs.devexpress.com/Blazor/405074/components/layout/tabs) and [Context Menu](https://docs.devexpress.com/Blazor/405060/components/navigation-controls/context-menu) components.
The example creates an interactive, multi-tab web interface using DevExpress Blazor [Tabs](https://docs.devexpress.com/Blazor/405074/components/layout/tabs) and [Context Menu](https://docs.devexpress.com/Blazor/405060/components/navigation-controls/context-menu) components.

![Multi-Tab UI](images/blazor-tabbed-ui.png)

It showcases core features that help end users build their personalized workspaces and multitask effectively.
It illustrates how end users can create personalized workspaces and multitask effectively.

## Implementation Details

Expand Down Expand Up @@ -41,19 +41,19 @@ The `CssClass` property of a tab page serves as a unique identifier, allowing cl

### Persist Tab State

Implement a custom `MDITab` class ([MDITab.cs](CS/DxBlazorApplication1/Components/MDI/MDITab.cs)) to encapsulate specific properties of each individual tab. `MDITabCollection` class ([MDITabCollection.cs](CS/DxBlazorApplication1/Components/MDI/MDITabCollection.cs)) will control visibility, display order, and titles of all tabs. The title links an underlying object to the visual tab representation in the UI.
Implement a custom `MDITab` class ([MDITab.cs](CS/DxBlazorApplication1/Components/MDI/MDITab.cs)) to encapsulate properties associated with each individual tab. `MDITabCollection` class ([MDITabCollection.cs](CS/DxBlazorApplication1/Components/MDI/MDITabCollection.cs)) will control visibility, display order, and titles used for all tabs. The title links an underlying object to the visual tab representation in the UI.

Bind these properties to the visual tab elements in the UI. To ensure the `MDITabCollection` accurately reflects the live interface, implement event handlers for `TabReorder` and `TabClosing`. These handlers will listen for user actions and dynamically update the collection to match the current tab state.
Bind these properties to the visual tab elements in the UI. To ensure the `MDITabCollection` accurately reflects the live interface, implement event handlers for `TabReorder` and `TabClosing`. These handlers will listen for user actions and dynamically update the collection to match current tab state.

To maintain the tab layout across sessions, serialize the collection to JSON and save it to the browser's local storage with `MDIStateHelper` class ([MDIStateHelper.cs](CS/DxBlazorApplication1/Components/MDI/MDIStateHelper.cs)) every time the UI layout changes. It maintains the tab visibility and order even after the user closes and reopens the browser. Tab state is restored in the `OnAfterRenderAsync` event handler.
To maintain tab layout across sessions, serialize the collection to JSON and save it to the browser's local storage with `MDIStateHelper` class ([MDIStateHelper.cs](CS/DxBlazorApplication1/Components/MDI/MDIStateHelper.cs)) every time the UI layout changes. This will maintain tab visibility and order even after the user closes and reopens the browser. Tab state is restored in the `OnAfterRenderAsync` event handler.

### Add Context Menu to Tabs

Create a context menu that allows users to manage tabs:
Create a context menu that allows users to manage tabs as needed:

- Close the current tab.
- Close all tabs.
- Close all tabs except for the current one.
- Close all tabs except for the current tab.
- Restore closed tabs.

Place [DxContextMenu](https://docs.devexpress.com/Blazor/DevExpress.Blazor.DxContextMenu) on the page ([Index.razor](CS/DxBlazorApplication1/Components/Pages/Index.razor)) and add a [DxContextMenuItem](https://docs.devexpress.com/Blazor/DevExpress.Blazor.DxContextMenuItem) for each menu action.
Expand All @@ -69,7 +69,7 @@ Place [DxContextMenu](https://docs.devexpress.com/Blazor/DevExpress.Blazor.DxCon
</DxContextMenu>
```

Implement a client-side script ([mdi.js](CS/DxBlazorApplication1/wwwroot/js/mdi.js)) to handle right-clicks on specific tabs, identified by their `CssClass` property. This script should prevent the default browser context menu. Capture the mouse position, and invoke a .NET `[JSInvokable]` method.
Implement a client-side script ([mdi.js](CS/DxBlazorApplication1/wwwroot/js/mdi.js)) to handle right-clicks on specific tabs (identified by their `CssClass` property). This script should prevent the default browser context menu. Capture the mouse position, and invoke a .NET `[JSInvokable]` method.

## Files to Review

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