In a default Blazor app, you might have come across that annoying fixed navbar(sidebar) that occupies screen real estate at all times. Wouldn't it be great to have a sidebar that gracefully collapses when not needed, giving users more space to interact with the main content? Well, good news—you've stumbled upon the right article. We'll explore how to implement a auto-collapsible sidebar in Blazor.
Step 1: Add a New Razor Component - AutoHideSidebar
Step 2: Implement Presentation Logic for Sidebar Toggle
Step 3: Integrate Styles for Sidebar Collapse and Expansion
Step 1. Add a New Razor Component - AutoHideSidebar
Let us begin by introducing a new Razor component called AutoHideSidebar.razor.
This component comprises a container div housing a navigation menu. The @onmouseover and @onmouseout events are configured to trigger the ExpandNavMenu and CollapseNavMenu methods, respectively. These methods govern the visibility of the sidebar. Each item in the sidebar is represented by a <NavLink> component.
Step 2. Implement Presentation Logic for Sidebar Toggle
The Code-Behind with C#, The code behind is responsible for handling the state of the sidebar. In this step, we will incorporate the essential presentation logic to manage the toggling of the sidebar.
The CollapseNavMenu variable keeps track of whether the menu is currently collapsed or expanded, while the isHovered variable monitors whether the mouse is currently over the menu. The ExpandNavMenu and CollapseNavMenu methods take charge of updating these states in response to user interactions.
The three-step process, from adding the Razor component for the auto-hide sidebar to implementing presentation logic and styling with CSS, is enough to create stylish sidebar.
Conclusion
Through these three steps and detailed explanations, we've learned how to create a seamless auto hiding sidebar.
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