Controller/Action/Helper/ContextSwitch.php

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Category: Zend
Copyright: Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
License: New BSD License
Package: Zend_Controller
Subpackage: Zend_Controller_Action_Helper
Version: $Id$

\Zend_Controller_Action_Helper_ContextSwitch
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Package: Zend_Controller\Zend_Controller_Action_Helper

Simplify context switching based on requested format

Parent(s): \Zend_Controller_Action_Helper_Abstract
Children: \Zend_Controller_Action_Helper_AjaxContext
Category: Zend
Copyright: Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
License: New BSD License
Uses

Constants

 
                TRIGGER_INIT
                = 'TRIGGER_INIT'

Trigger type constants

 
                TRIGGER_POST
                = 'TRIGGER_POST'

Properties

boolean $_autoJsonSerialization = true

JSON auto-serialization flag

Default valuetrueDetails

Type: boolean

string $_contextKey = 'contexts'

Controller property key to utilize for context switching

Default value'contexts'Details

Type: string

string $_contextParam = 'format'

Request parameter containing requested context

Default value'format'Details

Type: string

array $_contexts = array()

Supported contexts

Default valuearray()Details

Type: array

string $_currentContext

Current context

Details

Type: string

string $_defaultContext = 'xml'

Default context (xml)

Default value'xml'Details

Type: string

boolean $_disableLayout = true

Whether or not to disable layouts when switching contexts

Default valuetrueDetails

Type: boolean

array $_specialConfig = array('setSuffix', 'setHeaders', 'setCallbacks')

Methods that require special configuration

Default valuearray('setSuffix', 'setHeaders', 'setCallbacks')Details

Type: array

array $_unconfigurable = array('setOptions', 'setConfig', 'setHeader', 'setCallback', 'setContext', 'setActionContext', 'setActionContexts')

Methods that are not configurable via setOptions and setConfig

Default valuearray('setOptions', 'setConfig', 'setHeader', 'setCallback', 'setContext', 'setActionContext', 'setActionContexts')Details

Type: array

\Zend_Controller_Action_Helper_ViewRenderer $_viewRenderer

Details

Type: \Zend_Controller_Action_Helper_ViewRenderer

string $_viewSuffixOrig

Original view suffix prior to detecting context switch

Details

Type: string

Methods

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

Constructor

Parameters

Name	Type	Description
$options	array \| \Zend_Config

_getViewRenderer() : \Zend_Controller_Action_Helper_ViewRenderer

Retrieve ViewRenderer

Returns

Type	Description
\Zend_Controller_Action_Helper_ViewRenderer	Provides a fluent interface

_setCallbacks(array $options) : \Zend_Controller_Action_Helper_ContextSwitch

Set callbacks from array of context => callbacks pairs

Parameters

Name	Type	Description
$options	array

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

_setHeaders(array $options) : \Zend_Controller_Action_Helper_ContextSwitch

Set headers from context => headers pairs

Parameters

Name	Type	Description
$options	array

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

_setSuffix(array $spec) : \Zend_Controller_Action_Helper_ContextSwitch

Set suffix from array

Parameters

Name	Type	Description
$spec	array

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

_validateTrigger(string $trigger) : string

Validate trigger and return in normalized form

Parameters

Name	Type	Description
$trigger	string

Returns

Type	Description
string

Throws

Exception	Description
\Zend_Controller_Action_Exception

addActionContext(string $action, string | array $context) : \Zend_Controller_Action_Helper_ContextSwitch | void

Add one or more contexts to an action

Parameters

Name	Type	Description
$action	string
$context	string \| array

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch \| void	Provides a fluent interface

addActionContexts(array $contexts) : \Zend_Controller_Action_Helper_ContextSwitch

Add multiple action/context pairs at once

Parameters

Name	Type	Description
$contexts	array

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

addContext(string $context, array $spec) : \Zend_Controller_Action_Helper_ContextSwitch

Add new context

Parameters

Name	Type	Description
$context	string	Context type
$spec	array	Context specification

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

Throws

Exception	Description
\Zend_Controller_Action_Exception

addContexts(array $contexts) : \Zend_Controller_Action_Helper_ContextSwitch

Add multiple contexts

Parameters

Name	Type	Description
$contexts	array

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

addHeader(string $context, string $header, string $content) : \Zend_Controller_Action_Helper_ContextSwitch

Add header to context

Parameters

Name	Type	Description
$context	string
$header	string
$content	string

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

Throws

Exception	Description
\Zend_Controller_Action_Exception

addHeaders(string $context, array $headers) : \Zend_Controller_Action_Helper_ContextSwitch

Add multiple headers at once for a given context

Parameters

Name	Type	Description
$context	string
$headers	array

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

clearActionContexts(string $action = null) : \Zend_Controller_Action_Helper_ContextSwitch

Clear all contexts for a given controller action or all actions

Parameters

Name	Type	Description
$action	string

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

clearCallbacks(string $context) : \Zend_Controller_Action_Helper_ContextSwitch

Clear all callbacks for a given context

Parameters

Name	Type	Description
$context	string

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

clearContexts() : \Zend_Controller_Action_Helper_ContextSwitch

Remove all contexts

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

clearHeaders(string $context) : \Zend_Controller_Action_Helper_ContextSwitch

Clear all headers for a given context

Parameters

Name	Type	Description
$context	string

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

direct() : \Zend_Controller_Action_Helper_ContextSwitch

Strategy pattern: return object

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

getActionContexts(string $action = null) : array

Get contexts for a given action or all actions in the controller

Parameters

Name	Type	Description
$action	string

Returns

Type	Description
array

getAutoDisableLayout() : boolean

Retrieve auto layout disable flag

Returns

Type	Description
boolean

getAutoJsonSerialization() : boolean

Get JSON context auto-serialization flag

Returns

Type	Description
boolean

getCallback(string $context, string $trigger) : string | array | null

Get a single callback for a given context and trigger

Parameters

Name	Type	Description
$context	string
$trigger	string

Returns

Type	Description
string \| array \| null

getCallbacks(string $context) : array

Get all callbacks for a given context

Parameters

Name	Type	Description
$context	string

Returns

Type	Description
array

getContext(string $context) : array | null

Retrieve context specification

Parameters

Name	Type	Description
$context	string

Returns

Type	Description
array \| null

getContextParam() : string

Return context format request parameter name

Returns

Type	Description
string

getContexts() : array

Retrieve context definitions

Returns

Type	Description
array

getCurrentContext() : null | string

Return current context, if any

Returns

Type	Description
null \| string

getDefaultContext() : string

Return default context

Returns

Type	Description
string

getHeader(string $context, string $header) : string | null

Retrieve context header

Returns the value of a given header for a given context type

Parameters

Name	Type	Description
$context	string
$header	string

Returns

Type	Description
string \| null

getHeaders(string $context) : array

Retrieve context headers

Returns all headers for a context as key/value pairs

Parameters

Name	Type	Description
$context	string

Returns

Type	Description
array

getSuffix(string $type) : string

Retrieve suffix for given context type

Parameters

Name	Type	Description
$type	string	Context type

Returns

Type	Description
string

Throws

Exception	Description
\Zend_Controller_Action_Exception

hasActionContext(string $action, string | array $context) : boolean

Does a particular controller action have the given context(s)?

Parameters

Name	Type	Description
$action	string
$context	string \| array

Returns

Type	Description
boolean

Throws

Exception	Description
\Zend_Controller_Action_Exception

hasContext(string $context, boolean $throwException = false) : bool

Does the given context exist?

Parameters

Name	Type	Description
$context	string
$throwException	boolean

Returns

Type	Description
bool

Throws

Exception	Description
\Zend_Controller_Action_Exception	if context does not exist and throwException is true

init() : void

Initialize at start of action controller

Reset the view script suffix to the original state, or store the original state.

initContext(mixed $format = null) : void

Initialize context detection and switching

Parameters

Name	Type	Description
$format	mixed

Throws

Exception	Description
\Zend_Controller_Action_Exception

initJsonContext() : void

JSON context extra initialization

Turns off viewRenderer auto-rendering

postDispatch() : void

Post dispatch processing

Execute postDispatch callback for current context, if available

Throws

Exception	Description
\Zend_Controller_Action_Exception

postJsonContext() : void

JSON post processing

JSON serialize view variables to response body

removeActionContext(string $action, string | array $context) : boolean

Remove one or more contexts for a given controller action

Parameters

Name	Type	Description
$action	string
$context	string \| array

Returns

Type	Description
boolean

removeCallback(string $context, string $trigger) : boolean

Clear a callback for a given context and trigger

Parameters

Name	Type	Description
$context	string
$trigger	string

Returns

Type	Description
boolean

removeContext(string $context) : boolean

Remove a context

Parameters

Name	Type	Description
$context	string

Returns

Type	Description
boolean

removeHeader(string $context, string $header) : boolean

Remove a single header from a context

Parameters

Name	Type	Description
$context	string
$header	string

Returns

Type	Description
boolean

setActionContext(string $action, string | array $context) : \Zend_Controller_Action_Helper_ContextSwitch | void

Set a context as available for a given controller action

Parameters

Name	Type	Description
$action	string
$context	string \| array

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch \| void	Provides a fluent interface

setActionContexts(array $contexts) : \Zend_Controller_Action_Helper_ContextSwitch

Overwrite and set multiple action contexts at once

Parameters

Name	Type	Description
$contexts	array

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

setAutoDisableLayout(boolean $flag) : \Zend_Controller_Action_Helper_ContextSwitch

Set flag indicating if layout should be disabled

Parameters

Name	Type	Description
$flag	boolean

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

setAutoJsonSerialization(boolean $flag) : \Zend_Controller_Action_Helper_ContextSwitch

Should JSON contexts auto-serialize?

Parameters

Name	Type	Description
$flag	boolean

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

setCallback(string $context, string $trigger, string | array $callback) : \Zend_Controller_Action_Helper_ContextSwitch

Set a callback for a given context and trigger

Parameters

Name	Type	Description
$context	string
$trigger	string
$callback	string \| array

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

Throws

Exception	Description
\Zend_Controller_Action_Exception

setCallbacks(string $context, array $callbacks) : \Zend_Controller_Action_Helper_ContextSwitch

Set callbacks for a given context

Callbacks should be in trigger/callback pairs.

Parameters

Name	Type	Description
$context	string
$callbacks	array

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

setConfig(\Zend_Config $config) : \Zend_Controller_Action_Helper_ContextSwitch

Set object state from config object

Parameters

Name	Type	Description
$config	\Zend_Config

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

setContext(string $context, array $spec) : \Zend_Controller_Action_Helper_ContextSwitch

Overwrite existing context

Parameters

Name	Type	Description
$context	string	Context type
$spec	array	Context specification

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

setContextParam(string $name) : \Zend_Controller_Action_Helper_ContextSwitch

Set name of parameter to use when determining context format

Parameters

Name	Type	Description
$name	string

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

setContexts(array $contexts) : \Zend_Controller_Action_Helper_ContextSwitch

Set multiple contexts, after first removing all

Parameters

Name	Type	Description
$contexts	array

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

setDefaultContext(string $type) : \Zend_Controller_Action_Helper_ContextSwitch

Indicate default context to use when no context format provided

Parameters

Name	Type	Description
$type	string

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

Throws

Exception	Description
\Zend_Controller_Action_Exception

setHeader( $context, string $header, string $content) : \Zend_Controller_Action_Helper_ContextSwitch

Customize response header to use when switching context

Passing an empty header value to the setters disables the response header.

Parameters

Name	Type	Description
$context
$header	string	Header to set
$content	string	Header content

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

setHeaders(string $context, array $headers) : \Zend_Controller_Action_Helper_ContextSwitch

Set multiple headers at once for a given context

Parameters

Name	Type	Description
$context	string
$headers	array

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

setOptions(array $options) : \Zend_Controller_Action_Helper_ContextSwitch

Configure object from array of options

Parameters

Name	Type	Description
$options	array

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

setSuffix(string $context, string $suffix, boolean $prependViewRendererSuffix = true) : \Zend_Controller_Action_Helper_ContextSwitch

Customize view script suffix to use when switching context.

Passing an empty suffix value to the setters disables the view script suffix change.

Parameters

Name	Type	Description
$context	string	Context type for which to set suffix
$suffix	string	Suffix to use
$prependViewRendererSuffix	boolean	Whether or not to prepend the new suffix to the viewrenderer suffix

Returns

Type	Description
\Zend_Controller_Action_Helper_ContextSwitch	Provides a fluent interface

Throws

Exception	Description
\Zend_Controller_Action_Exception

Controller/Action/Helper/ContextSwitch.php

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Constants

Properties

Methods

\Zend_Controller_Action_Helper_ContextSwitch
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