Re: [fw-mvc] Zend_Form_Element will be created twice

The only thing I can think of is that this part resolves to true when PARENT_ID is passed as a parameter:


        if($this->getDisplayGroup('hiddenFields')) {
            $this->getDisplayGroup('hiddenFields')->addElement($oHidden);    

Without seeing more of your implementation I can’t verify that.
Paul Shoemaker | Application Developer

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---

From: Axel Wüstemann <awu@qbus.de>
Date: Tue, 5 Aug 2008 14:29:53 -0500
To: <fw-mvc@lists.zend.com>
Subject: [fw-mvc] Zend_Form_Element will be created twice



Hi,

why the second hidden element will be created twice?

class EventForm extends My_Form {
       
    public function init() {
       
        $this->addHiddenElement('ID');
        $this->addHiddenElement('PARENT_ID');
    }  
}

class My_Form extends Zend_Form {

   protected $_aHiddenDecorators     = array(
        array('ViewHelper')
    );

   protected $_aHiddenGroupDecorators = array(
        'FormElements'
    );

    public function loadDefaultDecorators() {
        $this->setDecorators(array(
            'FormElements',
            'Form',
        ));
    }

    /**
     * builds a hidden element and adds it to the 'hiddenFields' display
group
     * if the display group does not yet exists, it will be created
     */
    public function addHiddenElement($fp_sName, $fp_aOptions = null) {
       
        $oHidden = $this->createElement('hidden', $fp_sName, $fp_aOptions);
        $oHidden->setDecorators($this->_aHiddenDecorators);
        $this->addElement($oHidden);

        if($this->getDisplayGroup('hiddenFields')) {
            $this->getDisplayGroup('hiddenFields')->addElement($oHidden);    
        } else {
            $this->addDisplayGroup(array($oHidden->getName()),
'hiddenFields', array(
                'decorators' => $this->_aHiddenGroupDecorators,
                ));
        }
    }

<form enctype="application/x-www-form-urlencoded" action=".." method="post">

<input type="hidden" name="ID" value="" id="ID">
<input type="hidden" name="PARENT_ID" value="" id="PARENT_ID">
<input type="hidden" name="PARENT_ID" value="" id="PARENT_ID">

</form>

thank you for any help,

Axel
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