Magento how to renderer admin form field

Hi Friend,

You can easily rendere you admin form.php file(Edit/Add New Action File).

First Method ::

Renderer file:

Date.php

class [NameSpace]_[ModuleName]_Block_Adminhtml_Edit_Renderer_Date extends Mage_Adminhtml_Block_Widget_Grid_Column_Renderer_Abstract
{  
   public function render(Varien_Object $row)    {
        //Get render element value
        $_elementvalue = $row->getValue();

        //Your Code Here

        return $_elementvalue;
    }
}

in your form.php

$nextdate = $fieldset->addField('next_date', 'date',
array(
'name'      => 'next_date',
'label'     => 'Close Date',
'class'     => 'required-entry validate-date validate-date-range date-range-custom_theme-from',
'required'  => true,
'image'     => $this->getSkinUrl('images/grid-cal.gif'),
'format'    => 'YYYY-MM-dd',
//'value'   => $array['next_date']
));

//Set your renderer file path here
$renderer = new [NameSpace]_[ModuleName]_Block_Adminhtml_Edit_Renderer_Date();
$nextdate->setRenderer($renderer);


Second Method ::


Renderer file:

Date.php

class [NameSpace]_[ModuleName]_Block_Adminhtml_Edit_Renderer_Date extends Varien_Data_Form_Element_Abstract
{
protected $_element;

    public function getElementHtml(Varien_Object $row){
    //Get render element value
    $_elementvalue = $this->getValue();

        //Your Code Here

        return $_elementvalue;
    }
}

in your form.php

//Set your renderer file path here
$fieldset->addType('date', '[NameSpace]_[ModuleName]_Block_Adminhtml_Edit_Renderer_Date');

$fieldset->addField('next_date', 'date',
array(
'name'      => 'next_date',
'label'     => 'Close Date',
'class'     => 'required-entry validate-date validate-date-range date-range-custom_theme-from',
'required'  => true,
'image'     => $this->getSkinUrl('images/grid-cal.gif'),
'format'    => 'YYYY-MM-dd',
//'value'   => $array['next_date']
));