Скачать или смотреть Filtering Elements from Table onClick Using React

Learn how to filter table elements in React on user clicks, showing modal details and options to hide or view full details.
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This video is based on the question https://stackoverflow.com/q/64429059/ asked by the user 'Max' ( https://stackoverflow.com/u/9510077/ ) and on the answer https://stackoverflow.com/a/64429424/ provided by the user 'Tim Gerhard' ( https://stackoverflow.com/u/8750569/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Filtering Elements from Table onClick Using React

In modern web applications, we often deal with complex user interfaces that involve dynamic data, especially when it comes to displaying information in tables. One common requirement is to allow users to interact with table rows to reveal more information or hide certain elements. In this guide, we will discuss a straightforward method to implement a click event in a React-based table that displays a modal with more details and provides options to see full details or hide the row.

The Challenge

You have a table displaying dynamic data, and you want to enable a feature where clicking on a row opens a modal. This modal shows additional details about the selected row, and the user has two options:

View full details redirected to another page.

Hide the row entirely from the table.

While implementing this feature, you may have encountered difficulties using the filter() method to remove the rows from the displayed data. Let's delve into an effective solution to achieve this functionality.

Understanding the Solution

The primary issue highlighted is the need to filter the companies (or rows) correctly when a user opts to hide a row. The original code had an incomplete approach that was not updating the state properly. Here, we'll break down how to correctly implement the handleHide function and ensure that the component renders the changes in the UI.

Step-by-Step Implementation

Setting Up State Management:
You start by defining your state variables to handle companies and modal information:

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

Fetching Data:
The getCompaniesData function fetches the required data for your table:

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

Handling Row Clicks:
The rowEvents object captures click events on table rows. When a row is clicked, it assigns the clicked row's details to modalInfo and opens the modal:

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

Implementing the Hide Functionality:
This is the crucial part. When the user clicks to hide a row, you want to filter out that specific company from your state. The corrected function would look like this:

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

Note how we use setCompanies to update the state directly with the filtered companies. The condition item.id !== mid ensures that only the row with the matching ID is removed.

Creating the Modal:
Your modal should provide options to see full details or hide the element. The modal might look like this:

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

Conclusion

By managing state effectively and ensuring that state updates trigger a re-render of your UI, you can create an interactive experience where users can engage with data in a meaningful way.

Implementing a modal that provides options based on user interactions not only enhances usability but also keeps your table dynamic and responsive.

With the corrected handleHide function, your table can seamlessly filter out rows when users choose to hide them. Happy coding!