Скачать или смотреть How to Create a Persistent Dialog with Angular Material in Angular 9

Learn how to create a `persistent` dialog in Angular 9 using Angular Material. Discover step-by-step instructions and code examples to implement modal boxes that do not close on outside clicks.
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How to Create a Persistent Dialog with Angular Material in Angular 9

When developing applications using Angular 9, you might encounter situations where you need to prompt users with important information or actions. A common way to do this is through modal dialogs. However, there might be times when you want these dialogs to be persistent, meaning they will remain open until the user interacts with them directly, rather than closing when the user clicks outside the dialog. In this guide, I’ll guide you through the process of creating a persistent dialog using Angular Material.

Understanding the Need for Persistent Dialogs

By default, modal dialogs in Angular Material are designed to be user-friendly. They typically close when a user clicks outside the dialog. However, in certain scenarios—like confirming a critical action or gathering essential information—you might prefer that the dialog remains open until the user explicitly closes it. This behavior ensures that the user cannot inadvertently dismiss the dialog and lose any unsaved changes or actions.

Steps to Create a Persistent Dialog

To implement a persistent dialog in Angular 9 using Angular Material, follow the steps outlined below:

1. Set Up Angular Material

Before we dive into creating a persistent dialog, make sure that Angular Material is installed and set up in your Angular application. You can install Angular Material using the following command:

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2. Create a Dialog Component

First, you need to create a dialog component that will serve as the content of your modal. Run the following command to generate a new component:

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This will create a new directory with the necessary files for your dialog.

3. Open the Dialog with Persistent Properties

Next, you need to set the properties that make the dialog persistent. Here’s the essential code snippet to do this:

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Explanation of the Code

MatDialog: This Angular Material class is used to open a dialog.

openSigninDialog function: This method opens the dialog and contains options for customizing its appearance and behavior.

disableClose: true: This is the crucial property that ensures the dialog remains open even if the user clicks outside of it.

afterClosed(): This observable is triggered when the dialog is closed, allowing you to handle any results returned from the dialog.

4. Handling Dialog Closure

To close the dialog, you will need to implement the necessary logic within the dialog component. For example, you might want to close it on a button click or after certain user interactions. Here’s a snippet to close the dialog:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

Creating a persistent dialog in Angular 9 using Angular Material is straightforward and can significantly enhance user experience in your application. By ensuring that critical dialogs cannot be dismissed accidentally, you provide a more controlled environment for user interactions. Following the steps outlined in this post, you can implement dialog boxes that serve your application's needs effectively.

With this guide, you’re now equipped to use Angular Material dialogs in a persistent way to keep your users engaged and informed. Happy coding!