Validazione example Topic is solved

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Good morning, could you help me by providing a simple example where during the validation phase of a field, the entered value is checked, and if it exceeds a predetermined value, a new window is opened asking whether to proceed or cancel data saving.


Thanks in advance
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[kev1n]

Hi,

You can use the `nuBeforeSave` function to perform validation checks on a field before saving the data. In this function, you can use `nuGetValue` to get the value of the field you want to validate. If the value exceeds a predetermined threshold, you can use JavaScript functions to display a confirmation dialog asking the user whether to proceed or cancel the data saving.

Here's an example implementation:

Define the `nuBeforeSave` function:
- This function will be triggered before saving the data.
- Inside the function, use `nuGetValue` to retrieve the value of the field you want to validate.
- Check if the value exceeds the predetermined threshold.
- If the value exceeds the threshold, open a confirmation dialog.
- If the user chooses to proceed, return `true` to allow saving. If the user chooses to cancel, return `false` to prevent saving.

Here's a code snippet demonstrating the implementation (Add to the form's Custom Code field):

Code: Select all

function nuBeforeSave() {
    // Retrieve the value of the field you want to validate
    var fieldValue = nuGetValue('your_field_id'); // Replace 'your_field_id' with the actual object ID
    
    // Define the predetermined threshold
    var threshold = 100; // Replace 100 with the desired threshold value
    
    // Check if the field value exceeds the threshold
    if (fieldValue > threshold) {
        // Show a confirmation dialog asking the user whether to proceed
        var proceed = confirm("The value you entered exceeds the predetermined threshold of " + threshold + ". Do you want to proceed?");
        
        // Return true if the user wants to proceed, false otherwise
        if (proceed) {
            return true; // Allow data saving
        } else {
            return false; // Cancel data saving
        }
    }
    
    // If the field value does not exceed the threshold, allow data saving
    return true;
}

- The `nuGetValue('your_field_id')` function retrieves the value of the field you want to validate. Replace `'your_field_id'` with the actual ID of the field.
- The function checks if the retrieved value exceeds a predetermined threshold (in this case, 100).
- If the value exceeds the threshold, a confirmation dialog is shown using `confirm()`.
- The function returns `true` to allow data saving if the user chooses to proceed, or `false` to cancel data saving if the user chooses to cancel.

[Basso]

Thank you for your response.
Unfortunately, I tried to implement the code you sent me, but unfortunately I received un error code ( see below) .
I use PHP 8.2.
You will surely have understood that I'm not an expert, but thank you anyway if you want to help me

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Before Save of Form FF2
/var/www/html/nuBuilderForte/core/nucommon.php(1448) : eval()'d code
syntax error, unexpected token "var"
traced from...
(line:116) /var/www/html/nuBuilderForte/core/nuapi.php - nuUpdateDatabase
(line:364) /var/www/html/nuBuilderForte/core/nudata.php - nuUpdateDatabaseRunBeforeSaveEvents
(line:623) /var/www/html/nuBuilderForte/core/nudata.php - nuEval

[kev1n]

Where did you insert the code? It is JavaScript and has to be placed in the form's custom code, not in a PHP event.

[Basso]

Many Thanks , now workink fine

[Basso]

Sorry kev1n,
Could you give me a small example to use in PHP BEFORE SAVING or AFTER SAVING
For example, I would like to increase the value that a user is entering by 5.


Thanks in advance

[kev1n]

In PHP Before Save:

Code: Select all

// Get the value of the object "test_field"
$value = '#test_field#';

if (is_numeric($value)) {
    // Increase the value of the variable by 5
    $value += 5;
    $nuMainForm   = nuHash()['nuFORMdata'][0]->id;
    // Replace the value of the object "test_field" with the new value
    nuSetNuDataValue($nudata, $nuMainForm, 'test_field', $value);
}

[Basso]

Many Thanks , now workink fine