Docs For Class TViewStateManager

constructor __construct [line 47]

TViewStateManager __construct(
mixed
$config)

Constructor.

Reads the configuration given in the app spec. In particular, the attribute 'enabled' and 'buffer-size' are read.

Parameters:

mixed

$config

the configuration.

[ Top ]

method computeHMAC [line 163]

string computeHMAC(
string
&$data, string
$key)

Computes the HMAC of the input data.

This method returns MD5-based HMAC. It can be overriden to provide other way of HMAC computation.

return:	HMAC of the data
access:	protected

Parameters:

string	&$data	data
string	$key	key

[ Top ]

method decode [line 210]

void &decode(
mixed
&$data)

access:

public

[ Top ]

method encode [line 192]

void &encode(
mixed
&$viewstate)

access:

public

[ Top ]

method generateRandomKey [line 174]

void generateRandomKey(
)

access:

protected

[ Top ]

method getBufferSize [line 69]

integer getBufferSize(
)

return:	the number of page viewstates that will be saved
access:	public

[ Top ]

method getKey [line 182]

void getKey(
)

access:

protected

[ Top ]

method isEnabled [line 77]

boolean isEnabled(
)

return:	is server-side viewstate maintenance enabled
access:	public

[ Top ]

method loadViewState [line 135]

string &loadViewState(
integer
$id)

Loads a viewstate (in terms of a string) from session.

This method can be overriden to provide customized retrieval of viewstate data. If you override this method, please override saveViewState() as well.

return:	viewstate data
access:	public

Parameters:

integer

$id

an ID identifying the storage of this viewstate

[ Top ]

method saveViewState [line 94]

integer saveViewState(
string
&$viewState)

Saves a viewstate (in terms of a string) in session.

Default implementation saves current page viewstate into an array that contains a list of pages' viewstate that are due to past visits within current session. The array is then saved into session. This method can be overriden to provide customized storage of viewstate data. If you override this method, please override loadViewState() as well.

return:	an ID identifying the storage of this viewstate
access:	public

Parameters:

string

&$viewState

viewstate data

[ Top ]

Class: TViewStateManager

Class Overview

Class Details

Variables

Constants

Methods

Class Variables

$currentID = -1

$encrypt = false

$key = ''

Class Methods

constructor __construct [line 47]

Parameters:

method computeHMAC [line 163]

Parameters:

method decode [line 210]

method encode [line 192]

method generateRandomKey [line 174]

method getBufferSize [line 69]

method getKey [line 182]

method isEnabled [line 77]

method loadViewState [line 135]

Parameters:

method saveViewState [line 94]

Parameters:

Class Constants

MAX_PAGE_NUMBER = 100

SESSION_KEY = 'key'

SESSION_VSM = 'vsm'