Form/Decorator/Callback.php

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Category
Zend  
Copyright
Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)  
License
New BSD License  
Package
Zend_Form  
Subpackage
Decorator  

\Zend_Form_Decorator_Callback

Package: Zend\Form\Decorator
Zend_Form_Decorator_Callback

Execute an arbitrary callback to decorate an element. Callbacks should take three arguments, $content, $element, and $options:

function mycallback($content, $element, array $options) { }

and should return a string. ($options are whatever options were provided to the decorator.)

To specify a callback, pass a valid callback as the 'callback' option.

Callback results will be either appended, prepended, or replace the provided content. To replace the content, specify a placement of boolean false; defaults to append content.

Parent(s)
\Zend_Form_Decorator_Abstract
Category
Zend  
Copyright
Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)  
License
New BSD License  
Version
$Id: Callback.php 24593 2012-01-05 20:35:02Z matthew $  

Constants

>VConstant  APPEND = 'APPEND'
inherited
Placement constants
Inherited from: \Zend_Form_Decorator_Abstract::APPEND
>VConstant  PREPEND = 'PREPEND'

Properties

>VPropertyprotectedstring|array $_callback
Callback
Details
Type
string | array
>VPropertyprotected\Zend_Form_Element|\Zend_Form $_element
>VPropertyprotectedarray $_options = array()
inherited
Decorator options
Inherited from: \Zend_Form_Decorator_Abstract::$$_options
Default valuearray()Details
Type
array
Inherited_from
\Zend_Form_Decorator_Abstract::$$_options  
>VPropertyprotectedstring $_placement = 'APPEND'
inherited
Default placement: append
Inherited from: \Zend_Form_Decorator_Abstract::$$_placement
Default value'APPEND'Details
Type
string
Inherited_from
\Zend_Form_Decorator_Abstract::$$_placement  
>VPropertyprotectedstring $_separator = PHP_EOL
inherited
Separator between new content and old
Inherited from: \Zend_Form_Decorator_Abstract::$$_separator
Default valuePHP_EOLDetails
Type
string
Inherited_from
\Zend_Form_Decorator_Abstract::$$_separator  

Methods

methodpublic__construct(array | \Zend_Config $options = null) : void
inherited

Constructor

Inherited from: \Zend_Form_Decorator_Abstract::__construct()

Accept options during initialization.

Parameters
NameTypeDescription
$optionsarray | \Zend_Config
methodpublicclearOptions() : \Zend_Form_Decorator_Abstract
inherited

Clear all options

Inherited from: \Zend_Form_Decorator_Abstract::clearOptions()
Returns
TypeDescription
\Zend_Form_Decorator_Abstract
methodpublicgetCallback() : null | string | array

Get registered callback

If not previously registered, checks to see if it exists in registered options.

Returns
TypeDescription
null | string | array
methodpublicgetElement() : \Zend_Form_Element | \Zend_Form
inherited

Retrieve current element

Inherited from: \Zend_Form_Decorator_Abstract::getElement()
Returns
TypeDescription
\Zend_Form_Element | \Zend_Form
methodpublicgetOption(string $key) : mixed
inherited

Get option

Inherited from: \Zend_Form_Decorator_Abstract::getOption()
Parameters
NameTypeDescription
$keystring
Returns
TypeDescription
mixed
methodpublicgetOptions() : array
inherited

Retrieve options

Inherited from: \Zend_Form_Decorator_Abstract::getOptions()
Returns
TypeDescription
array
methodpublicgetPlacement() : string
inherited

Determine if decorator should append or prepend content

Inherited from: \Zend_Form_Decorator_Abstract::getPlacement()
Returns
TypeDescription
string
methodpublicgetSeparator() : string
inherited

Retrieve separator to use between old and new content

Inherited from: \Zend_Form_Decorator_Abstract::getSeparator()
Returns
TypeDescription
string
methodpublicremoveOption(mixed $key) : void
inherited

Remove single option

Inherited from: \Zend_Form_Decorator_Abstract::removeOption()
Parameters
NameTypeDescription
$keymixed
methodpublicrender(string $content) : string

Render

If no callback registered, returns callback. Otherwise, gets return value of callback and either appends, prepends, or replaces passed in content.

Parameters
NameTypeDescription
$contentstring
Returns
TypeDescription
string
Throws
ExceptionDescription
\Zend_Form_Decorator_Exceptionwhen unimplemented
methodpublicsetCallback(callback $callback) : \Zend_Form_Decorator_Callback

Set callback

Parameters
NameTypeDescription
$callbackcallback
Returns
TypeDescription
\Zend_Form_Decorator_Callback
Throws
ExceptionDescription
\Zend_Form_Exception
methodpublicsetConfig(\Zend_Config $config) : \Zend_Form_Decorator_Abstract
inherited

Set options from config object

Inherited from: \Zend_Form_Decorator_Abstract::setConfig()
Parameters
NameTypeDescription
$config\Zend_Config
Returns
TypeDescription
\Zend_Form_Decorator_Abstract
methodpublicsetElement(\Zend_Form_Element | \Zend_Form $element) : \Zend_Form_Decorator_Abstract
inherited

Set current form element

Inherited from: \Zend_Form_Decorator_Abstract::setElement()

While the name is "setElement", a form decorator could decorate either an element or a form object.

Parameters
NameTypeDescription
$element\Zend_Form_Element | \Zend_Form
Returns
TypeDescription
\Zend_Form_Decorator_Abstract
Throws
ExceptionDescription
\Zend_Form_Decorator_Exceptionon invalid element type
methodpublicsetOption(string $key, mixed $value) : \Zend_Form_Decorator_Abstract
inherited

Set option

Inherited from: \Zend_Form_Decorator_Abstract::setOption()
Parameters
NameTypeDescription
$keystring
$valuemixed
Returns
TypeDescription
\Zend_Form_Decorator_Abstract
methodpublicsetOptions(array $options) : \Zend_Form_Decorator_Abstract
inherited

Set options

Inherited from: \Zend_Form_Decorator_Abstract::setOptions()
Parameters
NameTypeDescription
$optionsarray
Returns
TypeDescription
\Zend_Form_Decorator_Abstract
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