How to Push Items to Popup in Angular for Responsive Design

Learn how to effectively push items to a popup window in Angular when the screen size shrinks. Follow our detailed guide on implementing responsive designs for better user experience.
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How to Push Items to Popup in Angular for Responsive Design

In today's mobile-first world, ensuring that your web applications are responsive and user-friendly is critical. As developers, we often face challenges related to how content is displayed as screen sizes change. One common issue arises when a list of items is displayed horizontally, but as the screen shrinks, we need a way to push some of those items into a popup window, ensuring that users can still access all functionalities without overcrowding the interface.

In this guide, we’ll tackle how to achieve this in Angular utilizing the -angular/cdk/layout package.

Understanding the Problem

You have a set of tools displayed as images in a horizontal list. When the screen width is reduced to a size less than a specified maximum width (for instance, max-width: 1024px), you want the remaining items to appear in a popup window. Here’s a basic overview of your existing setup:

Data Array

You have defined a TypeScript array that contains objects with image and title properties for each tool:

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HTML Structure

Your current HTML structure employs Angular's *ngFor directive to iterate over this tools array:

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SCSS Styles

Your styles ensure that the items are displayed in a flexible layout:

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The Solution

To push the items into a popup window when the screen width is reduced, you have two primary methods at your disposal:

Method 1: Utilizing BreakpointObserver

Import Required Modules: You’ll need to import the BreakpointObserver and BreakpointState from Angular's CDK:

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Subscribe to Breakpoint Observer: In your component, subscribe to a breakpoint that observes screen size changes:

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Popup Logic: Inside the subscription callback, determine how you want to display the tools when the breakpoint condition matches. You can manage component states to toggle the visibility of the popup.

Method 2: Rendering the List Twice

If you prefer a simpler approach, you can render the list twice in your HTML — once for larger screens and once for smaller screens. Here’s how you can do it using CSS media queries:

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Additional Considerations

Popup Appearance: When clicking an item in the smaller list, you would need to implement openPopup() to showcase your popup, possibly using Angular Material Dialog or a custom modal.

User Experience: Ensure that users can easily navigate both lists. It might be helpful to include clear labels or icons to denote more actions.

Conclusion

Responsive design enhances user interaction by adapting content display based on the device being used. By employing either the BreakpointObserver or rendering your list twice with CSS media queries, you can efficiently manage how tools are presented in your Angular application. This keeps your application clean, intuitive, and adaptable to different screen sizes!

If you have any questions or further experiences to share regarding responsive design in Angular, feel free to leave your thoughts in the comments section!

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