Utilizing modal functionality in CakePHP 3 (or: Incorporating JavaScript within Controllers)

Question

Utilizing modal functionality in CakePHP 3 (or: Incorporating JavaScript within Controllers)

I have a typical form that was created using cake/bake.

After the form is submitted, my controller checks a simple condition:

If condition A is met, it will just save the data using patchEntity($foo, $this->request->getData())
If condition B is met, a JavaScript warning should be triggered before saving the data.

I would prefer to display the warning using a Bootstrap4 Modal, but I'm not sure how to trigger a modal from within a controller. I understand that this goes against MVC principles, so I am open to alternative suggestions.

The only solution I can think of right now is to redirect to a new action which will then open the modal.

javascript cakephp model-view-controller bootstrap-modal cakephp-3.0

Answer 1

Answer №1

One way to handle evaluating a condition on the server side is by using an AJAX request. This can be done before or during the form submission process, allowing you to receive information back from the server that will help you determine whether to display a modal.

To ensure everything works smoothly, it's recommended to include a flag in the form data indicating that the subsequent request is triggered by the warning dialog. This will allow you to proceed with saving the data without any issues.

Answer 2

One way to handle evaluating a condition on the server side is by using an AJAX request. This can be done before or during the form submission process, allowing you to receive information back from the server that will help you determine whether to display a modal.

To ensure everything works smoothly, it's recommended to include a flag in the form data indicating that the subsequent request is triggered by the warning dialog. This will allow you to proceed with saving the data without any issues.

Answer 3

Answer №2

What can happen if you try to use a flash component in your code, such as:

$this->Flash->error(__('This is the warning.'));

Don't forget to insert

$this->loadComponent('Flash');

in the initialize method of your controller, like this:-

class ArticlesController extends AppController{

    public function initialize(){

        parent::initialize();
        $this->loadComponent('Flash'); // Make sure to include the FlashComponent
    }

    // The rest of your code goes here...
}

Answer 4

What can happen if you try to use a flash component in your code, such as:

$this->Flash->error(__('This is the warning.'));

Don't forget to insert

$this->loadComponent('Flash');

in the initialize method of your controller, like this:-

class ArticlesController extends AppController{

    public function initialize(){

        parent::initialize();
        $this->loadComponent('Flash'); // Make sure to include the FlashComponent
    }

    // The rest of your code goes here...
}

Utilizing modal functionality in CakePHP 3 (or: Incorporating JavaScript within Controllers)

Answer №1

Answer №2

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