How to customize a table with clicks to add data in dcat admin?

Customize the table where clicks to add data in Dcat Admin

This article describes how to create a custom table in Dcat Admin (Laravel-Admin), allowing users to click on buttons to add data, and supports editing quantity and colors in the table. The following figure shows the target function:

Implementation steps

1. Create a table and add buttons:

In Dcat Admin, create a table using grid and add a button to the table toolbar to trigger the Add Data Action. The following code snippet shows how to create a table and add a button:

 use Dcat\Admin\Grid;
use Dcat\Admin\Layout\Content;

public function index(Content $content)
{
    return $content
        ->header('Data Management')
        ->description('Add data')
        ->body($this->grid());
}

protected function grid()
{
    $grid = new Grid(new YourModel());

    $grid->tools(function (Grid\Tools $tools) {
        $tools->append(new \Dcat\Admin\Grid\Tools\Button('Ad data', 'btn-add-data')->class('btn btn-primary'));
    });

    // Table column definition $grid->column('id', 'ID');
    $grid->column('name', 'name');
    $grid->column('quantity', 'quantity')->editable();
    $grid->column('color', 'color')->select(['red' => 'red', 'blue' => 'blue', 'green' => 'green']);

    return $grid;
}

2. Front-end JavaScript code:

Use the jQuery binding button to click the event, obtain the data through the AJAX request server and add the data to the table. Note that replace /admin/your-endpoint for your backend processing interface address, #your-grid-id for your table ID. For a better user experience, it is recommended to use the table operation method provided by Dcat Admin instead of directly operating the DOM.

 $(document).on('click', '.btn-add-data', function () {
    let id = prompt("Please enter ID");
    if (id) {
        $.ajax({
            url: '/admin/your-endpoint',
            type: 'GET',
            data: { id: id },
            success: function (data) {
                if (data) {
                    // Add rows using Dcat Admin method instead of directly manipulating the DOM
                    Dcat.grid.appendRow('#your-grid-id', data); // Replace #your-grid-id as your table ID
                } else {
                    alert('No data found');
                }
            },
            error: function (error) {
                alert('Request failed: ' error.responseText);
            }
        });
    }
});

3. Backend handles AJAX requests:

The backend controller method processes AJAX request, querys data based on ID and returns JSON data.

 use Illuminate\Http\Request;

public function getDatum(Request $request)
{
    $id = $request->input('id');
    $data = YourModel::find($id);

    if ($data) {
        return response()->json($data);
    } else {
        return response()->json(null);
    }
}

4. Improvement suggestions (using Dcat Admin's table API):

To better integrate the functionality of Dcat Admin, it is recommended to use the API provided by Dcat Admin to manipulate tables instead of directly manipulating the DOM. This ensures that your code is compatible with updates from Dcat Admin and gets better maintenance. For example, you might consider adding rows using Dcat.grid.addRow() or similar. This requires reference to the documentation of Dcat Admin to determine the most appropriate API method.

Through the above steps, you can create a custom click-add data table in Dcat Admin. Remember to replace YourModel with your model name and adjust the code according to your actual situation. Using the API provided by Dcat Admin can make your code more concise, easier to maintain, and better integrate with the framework.

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