Yii: Change an input text field value depending on dropdown list selection

Question

I inherited a YII based web application but I am not really familiar with Yii and don't find the solution yet. So if you can, please help me!

There is a form. In the form there is a dropdown list which get data from a db table. This table contains the name and the price of leases. The dropdown lists only the name.

<?php
    $typeNames = array();
    foreach(LeaseType::model()->findAll() as $lt) {
        $typeNames[$lt->id] = $lt->name;
    }
    ?>
    <?php echo $form->dropDownListControlGroup($model, 'lease_type_id', 
                $typeNames,
                array(
                                    'empty'=>'Válassz!',
                                    'onchange'=>'$("#model-payed").val($("#model-lease_type_id option:selected").text());',
                                    )
                ); ?>

But I need to change the value of a specific input text field with the price of the selected lease.

<?php echo $form->textfield($model,'payed');?>

I can get the name of the lease but I can't set the value of the input for the price of the lease. This field has to be changable based on the customer payed all the price or just partial.

Other problem is that the name and price of the lease in different table than the value needed.

I hope all this are understandable because I am not fluent in English.

Thanks for any help!

Hódos Gábor · Accepted Answer · 2018-05-25 12:29:02Z

1

Finally I found the solution, so share it maybe someone can use it.

In the views/_form.php I modified the dropdownlist:

<?php
    echo $form->dropDownListControlGroup($model, 'lease_type_id', $typeNames, array(
    'empty' => 'Válassz!',
    'onchange' => '$("#model_comment").val($("#model_lease_type_id option:selected").$typeNames);',
        //'onchange'=>'if($(this).val() == "no"){("#quantity").val("0"); }'
        )
);
?>

answered May 25, 2018 at 12:29

Hódos Gábor

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