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Web Global Net Web Application & Web Development Project Center  |  Technical Issues  |  Zend Framework  |  Topic: display text (value attribute) for the submit element 0 Members and 1 Guest are viewing this topic. « previous next »
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Author Topic: display text (value attribute) for the submit element  (Read 12452 times)
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« on: November 20, 2009, 12:13: PM »

Creating a new form within the Zend framework. You can run into a bit of trouble with the display text (value attribute) for the submit element when it comes to invoking the Zend_Form_Element_Submit() method. Like usual, when it comes to frameworks and other types of plug-ins, things doné─˘t work out like you normally would think they should.

 Web application developers are constantly battling the inconsistent semantics from the syntax. The same concept as out of the normé─Â

Code Examples:
The below code represents the submit buttons display text. It has always been that the input type submit elementé─˘s attribute of value is what displays the buttoné─˘s text however when using the Zend frameworké─˘s Zend_Form class, you must use the setLabel method. See where  lines 8 and 9 in Red are commented out, where normally one would think to set the attribute for value to show the display? You may have tried both methods the setValue and setAttrib and both to your surprise had no effect to the buttoné─˘s display text (normally using the value attribute).

The Fix:
In order to overcome this minor problem, you must use the setLabel method which also generates the label tags for each form element. So the ZFW requires that you use this same method to set the text display within the button.



< ?php
class LoginForm extends Zend_Form
{
       public function __construct($options = null)
      {
            $submit = new Zend_Form_Element_Submit('submit');
           //$submit->setValue('Login');
           //$submit->setAttrib('value', 'Login');

           $submit->setLabel('Login');
           $this->addElements(array($username, $password, $submit));
       }
}
?>

Conclusion
Even though this problem could potentially throw off many web developers that are new to this framework, it still has ité─˘s purpose in their design logic. They must have designed it this way to keep the consistency within their own framework. The setLabel method is used on almost every form element so it would be consistent enough to use this same method on the submit type input elements. Hope this helps everyone that had encountered this same issue.
« Last Edit: November 20, 2009, 12:32: PM by Web Global Net » Report to moderator   Logged
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Web Global Net Web Application & Web Development Project Center  |  Technical Issues  |  Zend Framework  |  Topic: display text (value attribute) for the submit element « previous next »
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