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<?php
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/**
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* Object wrapping around session variable used to store controller data
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*
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* PHP version 5
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*
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* LICENSE:
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*
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* Copyright (c) 2006-2010, Alexey Borzov <avb@php.net>,
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* Bertrand Mansion <golgote@mamasam.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * The names of the authors may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @category HTML
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* @package HTML_QuickForm2
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* @author Alexey Borzov <avb@php.net>
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* @author Bertrand Mansion <golgote@mamasam.com>
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* @license http://opensource.org/licenses/bsd-license.php New BSD License
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* @version SVN: $Id: SessionContainer.php 293868 2010-01-23 18:37:16Z avb $
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* @link http://pear.php.net/package/HTML_QuickForm2
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*/
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/**
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* Object wrapping around session variable used to store controller data
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*
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* Unlike old HTML_QuickForm_Controller, this does not extend HTML_QuickForm2
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* but accepts an instance of that in the constructor. You need to create a
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* subclass of this class and implement its populateForm() method.
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*
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* @category HTML
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* @package HTML_QuickForm2
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* @author Alexey Borzov <avb@php.net>
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* @author Bertrand Mansion <golgote@mamasam.com>
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* @version Release: @package_version@
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*/
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class HTML_QuickForm2_Controller_SessionContainer
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{
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/**
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* A reference to a key in $_SESSION superglobal array
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* @var array
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*/
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protected $data;
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/**
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* Class constructor
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*
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* Initializes a variable in $_SESSION array, its name is based upon the
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* name of the Controller passed here
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*
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* @param HTML_QuickForm2_Controller
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*/
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public function __construct(HTML_QuickForm2_Controller $controller)
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{
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$name = sprintf(HTML_QuickForm2_Controller::KEY_CONTAINER,
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$controller->getId());
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if (empty($_SESSION[$name])) {
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$_SESSION[$name] = array(
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'datasources' => array(),
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'values' => array(),
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'valid' => array()
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);
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}
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$this->data =& $_SESSION[$name];
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}
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/**
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* Stores the page submit values
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*
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* @param string Page ID
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* @param array Page submit values
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*/
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public function storeValues($pageId, array $values)
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{
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$this->data['values'][$pageId] = $values;
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}
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/**
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* Returns the page values kept in session
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*
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* @param string Page ID
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* @return array
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*/
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public function getValues($pageId)
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{
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return array_key_exists($pageId, $this->data['values'])
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? $this->data['values'][$pageId]: array();
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}
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/**
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* Stores the page validation status
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*
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* @param string Page ID
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* @param bool Whether the page is valid
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*/
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public function storeValidationStatus($pageId, $status)
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{
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$this->data['valid'][$pageId] = (bool)$status;
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}
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/**
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* Returns the page validation status kept in session
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*
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* @param string Page ID
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* @return bool
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*/
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public function getValidationStatus($pageId)
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{
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return array_key_exists($pageId, $this->data['valid'])
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? $this->data['valid'][$pageId]: null;
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}
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/**
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* Stores the controller data sources
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*
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* @param array A new data source list
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* @throws HTML_QuickForm2_InvalidArgumentException if given array
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* contains something that is not a valid data source
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*/
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public function storeDatasources(array $datasources)
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{
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foreach ($datasources as $ds) {
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if (!$ds instanceof HTML_QuickForm2_DataSource) {
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throw new HTML_QuickForm2_InvalidArgumentException(
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'Array should contain only DataSource instances'
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);
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}
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}
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$this->data['datasources'] = $datasources;
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}
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/**
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* Returns the controller data sources
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*
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* @return array
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*/
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public function getDatasources()
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{
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return $this->data['datasources'];
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}
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/**
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* Stores some user-supplied parameter alongside controller data
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*
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* It is sometimes useful to pass some additional user data between pages
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* of the form, thus this method. It will be removed with all the other
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* data by {@link HTML_QuickForm2_Controller::destroySessionContainer()}
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*
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* @param string Parameter name
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* @param string Parameter value
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*/
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public function storeOpaque($name, $value)
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{
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if (!array_key_exists('opaque', $this->data)) {
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$this->data['opaque'] = array();
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}
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$this->data['opaque'][$name] = $value;
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}
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/**
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* Returns a user-supplied parameter
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*
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* @param string Parameter name
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* @return mixed
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*/
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public function getOpaque($name)
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{
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return (array_key_exists('opaque', $this->data)
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&& array_key_exists($name, $this->data['opaque']))
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? $this->data['opaque'][$name]: null;
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}
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}
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