/**
* @return Mage_Adminhtml_Block_Widget_Button
*/
protected function _getRemoveButton()
{
/** @var Mage_Adminhtml_Block_Widget_Button $removeButton */
$removeButton = $this->getLayout()->createBlock('adminhtml/widget_button')->setType('button')->setClass('delete')->setLabel($this->__('Remove Image'))->setOnclick('document.getElementById(\'' . $this->_fieldInput->getHtmlId() . '\').value=\'\';if(document.getElementById(\'' . $this->_fieldInput->getHtmlId() . self::IMAGE_PREVIEW_SUFFIX . '\'))$(\'' . $this->_fieldInput->getHtmlId() . self::IMAGE_PREVIEW_SUFFIX . '\').parentNode.addClassName(\'no-display\');$(\'' . $this->_imageChooserButton->getHtmlId() . '\').writeAttribute(\'disabled\', false);$(\'' . $this->_imageChooserButton->getHtmlId() . '\').removeClassName(\'disabled\');$(this).addClassName(\'disabled\');$(this).writeAttribute(\'disabled\', true)')->setDisabled($this->_fieldInput->getReadonly())->setStyle('margin-left:10px;margin-top:7px');
// Check if there is a value. If no value then we want the remove button to be disabled
if (!$this->_fieldInput->getValue()) {
$removeButton->setDisabled(true);
}
return $removeButton;
}
