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<?php
/**
* Class for file upload controls
*
* @author Stefan Gabos <[email protected]>
* @copyright (c) 2006 - 2008 Stefan Gabos
* @package HTMLForm_Controls
*/
class HTMLForm_file extends HTMLForm_control
{
/**
* Inserts an HTML <input type="file"> control in the form
*
* <b>Do not instantiate this class directly!</b>
*
* Use {@link HTMLForm::add()} method instead!
*
* <code>
* /*
* notice the use of the "&" symbol -> it's the way we can have a reference to the object in PHP4
* {@*}
*
* $obj = & $form->add('file', 'control_id');
*
* </code>
*
* @param string $controlID Unique name to identify the control in form.
*
* <i>Note that control's ID attribute will be, by default, the same as the name attribute!
* This means that this will be the name you will be using to refer to the control in the POST/GET
* superglobals, after the form has been submitted</i>
*
* @param array $attributes (Optional) an array of user specified HTML attributes valid for an <input type="file>" control
*
* Must be specified as an associative array of type attributeName => attributeValue
*
* See {@link HTMLForm_control::setAttributes()} method to see how to set HTML attributes,
* other than through the class' constructor
*
* <i>Note that the following properties are automatically set and should not
* be altered manually:</i>
*
* <b>type</b>, <b>id</b>, <b>name</b>, <b>class</b>, <b>onfocus</b>, <b>onblur</b>
*
* <i>If you don't use templates for the form's output but rather let the script automatically generate
* it for you, you may use a special attribute called "nobr" (used like "nobr" => true) which will
* instruct the script to not start a new line after the control having this attribute set, but place
* the next control on the same line</i>
*
* @return void
*/
function HTMLForm_file($controlID, $attributes = '')
{
// call the constructor of the parent class
parent::HTMLForm_control();
// set the private attributes of this control
// these attributes are private for this control and are for internal use only
$this->privateAttributes = array(
'nobr'
);
// set the default attributes for the text control
$this->setAttributes(
array(
'type' => 'file',
'id' => $controlID,
'name' => $controlID,
'class' => 'file',
'onfocus' => 'this.className = \'file-focus\'',
'onblur' => 'this.className = \'file\''
)
);
// sets user specified attributes for the control
$this->setAttributes($attributes);
}
/**
* Returns the HTML code of the control
*
* @return string Resulted HTML code
*
* @access private
*/
function toHTML()
{
return '<input ' . $this->renderAttributes() . '>';
}
}
?>
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