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<?php |
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/** |
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* Request.php - The Jaxon Request |
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* |
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* This class is used to create client side requests to callable classes and functions. |
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* |
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* @package jaxon-core |
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* @author Jared White |
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* @author J. Max Wilson |
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* @author Joseph Woolley |
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* @author Steffen Konerow |
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* @author Thierry Feuzeu <[email protected]> |
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* @copyright Copyright (c) 2005-2007 by Jared White & J. Max Wilson |
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* @copyright Copyright (c) 2008-2010 by Joseph Woolley, Steffen Konerow, Jared White & J. Max Wilson |
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* @copyright 2016 Thierry Feuzeu <[email protected]> |
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* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License |
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* @link https://github.com/jaxon-php/jaxon-core |
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*/ |
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namespace Jaxon\Request\Factory; |
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use Jaxon\Request\Factory\Parameter; |
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use Jaxon\Request\Factory\Contracts\Parameter as ParameterContract; |
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use Jaxon\Response\Plugin\JQuery\Dom\Element as DomElement; |
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class Request extends JsCall |
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{ |
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/** |
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* A condition to check before sending this request |
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* |
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* @var string |
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*/ |
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protected $sCondition = null; |
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/** |
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* The arguments of the confirm() call |
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* @var array |
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*/ |
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protected $aMessageArgs = []; |
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/** |
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* The constructor. |
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* |
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* @param string $sName The javascript function or method name |
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*/ |
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public function __construct($sName) |
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{ |
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parent::__construct($sName); |
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} |
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/** |
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* Add a condition to the request |
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* |
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* The request is sent only if the condition is true. |
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* |
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* @param string $sCondition The condition to check |
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* |
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* @return Request |
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*/ |
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public function when($sCondition) |
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{ |
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$this->sCondition = Parameter::make($sCondition)->getScript(); |
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return $this; |
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} |
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/** |
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* Add a condition to the request |
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* |
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* The request is sent only if the condition is false. |
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* |
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* @param string $sCondition The condition to check |
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* |
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* @return Request |
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*/ |
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public function unless($sCondition) |
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{ |
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$this->sCondition = '!(' . Parameter::make($sCondition)->getScript() . ')'; |
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return $this; |
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} |
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/** |
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* Check if a value is equal to another before sending the request |
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* |
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* @param string $sValue1 The first value to compare |
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* @param string $sValue2 The second value to compare |
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* |
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* @return Request |
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*/ |
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public function ifeq($sValue1, $sValue2) |
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{ |
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$this->sCondition = '(' . Parameter::make($sValue1) . '==' . Parameter::make($sValue2) . ')'; |
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return $this; |
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} |
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/** |
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* Check if a value is not equal to another before sending the request |
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* |
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* @param string $sValue1 The first value to compare |
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* @param string $sValue2 The second value to compare |
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* |
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* @return Request |
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*/ |
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public function ifne($sValue1, $sValue2) |
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{ |
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$this->sCondition = '(' . Parameter::make($sValue1) . '!=' . Parameter::make($sValue2) . ')'; |
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return $this; |
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} |
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/** |
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* Check if a value is greater than another before sending the request |
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* |
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* @param string $sValue1 The first value to compare |
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* @param string $sValue2 The second value to compare |
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* |
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* @return Request |
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*/ |
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public function ifgt($sValue1, $sValue2) |
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{ |
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$this->sCondition = '(' . Parameter::make($sValue1) . '>' . Parameter::make($sValue2) . ')'; |
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return $this; |
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} |
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/** |
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* Check if a value is greater or equal to another before sending the request |
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* |
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* @param string $sValue1 The first value to compare |
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* @param string $sValue2 The second value to compare |
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* |
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* @return Request |
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*/ |
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public function ifge($sValue1, $sValue2) |
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{ |
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$this->sCondition = '(' . Parameter::make($sValue1) . '>=' . Parameter::make($sValue2) . ')'; |
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return $this; |
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} |
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/** |
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* Check if a value is lower than another before sending the request |
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* |
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* @param string $sValue1 The first value to compare |
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* @param string $sValue2 The second value to compare |
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* |
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* @return Request |
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*/ |
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public function iflt($sValue1, $sValue2) |
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{ |
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$this->sCondition = '(' . Parameter::make($sValue1) . '<' . Parameter::make($sValue2) . ')'; |
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return $this; |
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} |
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/** |
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* Check if a value is lower or equal to another before sending the request |
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* |
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* @param string $sValue1 The first value to compare |
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* @param string $sValue2 The second value to compare |
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* |
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* @return Request |
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*/ |
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public function ifle($sValue1, $sValue2) |
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{ |
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$this->sCondition = '(' . Parameter::make($sValue1) . '<=' . Parameter::make($sValue2) . ')'; |
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return $this; |
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} |
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/** |
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* Create parameters for message arguments |
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* @param array $aArgs The arguments |
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* |
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* @return void |
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*/ |
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private function setMessageArgs(array $aArgs) |
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{ |
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array_walk($aArgs, function(&$xParameter) { |
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$xParameter = Parameter::make($xParameter); |
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}); |
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$this->aMessageArgs = $aArgs; |
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} |
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/** |
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* Add a confirmation question to the request |
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* |
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* @param string $sQuestion The question to ask |
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* |
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* @return Request |
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*/ |
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public function confirm($sQuestion) |
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{ |
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$this->sCondition = '__confirm__'; |
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$this->setMessageArgs(func_get_args()); |
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return $this; |
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} |
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/** |
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* Set the message to show if the condition to send the request is not met |
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* |
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* The first parameter is the message to show. The followin allow to insert data from |
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* the webpage in the message using positional placeholders. |
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* |
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* @param string $sMessage The message to show if the request is not sent |
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* |
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* @return Request |
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*/ |
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public function elseShow($sMessage) |
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{ |
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$this->setMessageArgs(func_get_args()); |
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return $this; |
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} |
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/** |
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* Make unique js vars for parameters of type DomElement |
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* |
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* @var ParameterContract $xParameter |
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* @var array &$aVariables |
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* @var string &$sVars |
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* @var integer &$nVarId |
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* |
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* @return ParameterContract |
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*/ |
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private function _makeUniqueJsVar(ParameterContract $xParameter, array &$aVariables, &$sVars, &$nVarId) |
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{ |
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if($xParameter instanceof DomElement) |
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{ |
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$sParameterStr = $xParameter->getScript(); |
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if(!array_key_exists($sParameterStr, $aVariables)) |
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{ |
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// The value is not yet defined. A new variable is created. |
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$sVarName = "jxnVar$nVarId"; |
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$aVariables[$sParameterStr] = $sVarName; |
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$sVars .= "$sVarName=$xParameter;"; |
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$nVarId++; |
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} |
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else |
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{ |
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// The value is already defined. The corresponding variable is assigned. |
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$sVarName = $aVariables[$sParameterStr]; |
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} |
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$xParameter = new Parameter(Parameter::JS_VALUE, $sVarName); |
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} |
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return $xParameter; |
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} |
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/** |
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* Returns a string representation of the script output (javascript) from this request object |
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* |
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* @return string |
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*/ |
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public function getScript() |
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{ |
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/* |
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* JQuery variables sometimes depend on the context where they are used, eg. when their value depends on $(this). |
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* When a confirmation question is added, the Jaxon calls are made in a different context, |
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* making those variables invalid. |
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* To avoid issues related to these context changes, the JQuery selectors values are first saved into |
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* local variables, which are then used in Jaxon function calls. |
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*/ |
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$sVars = ''; // Javascript code defining all the variables values. |
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$nVarId = 1; // Position of the variables, starting from 1. |
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// This array will avoid declaring multiple variables with the same value. |
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// The array key is the variable value, while the array value is the variable name. |
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$aVariables = []; // Array of local variables. |
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foreach($this->aParameters as &$xParameter) |
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{ |
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$xParameter = $this->_makeUniqueJsVar($xParameter, $aVariables, $sVars, $nVarId); |
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} |
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$sPhrase = ''; |
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if(count($this->aMessageArgs) > 0) |
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{ |
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$sPhrase = array_shift($this->aMessageArgs); // The first array entry is the question. |
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// $sPhrase = "'" . addslashes($sPhrase) . "'"; // Wrap the phrase with single quotes |
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if(count($this->aMessageArgs) > 0) |
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{ |
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$nParamId = 1; |
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foreach($this->aMessageArgs as &$xParameter) |
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{ |
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$xParameter = $this->_makeUniqueJsVar($xParameter, $aVariables, $sVars, $nVarId); |
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$xParameter = "'$nParamId':" . $xParameter->getScript(); |
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$nParamId++; |
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} |
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$sPhrase .= '.supplant({' . implode(',', $this->aMessageArgs) . '})'; |
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} |
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} |
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$sScript = parent::getScript(); |
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$xDialog = jaxon()->dialog(); |
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if($this->sCondition == '__confirm__') |
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{ |
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$sScript = $xDialog->confirm($sPhrase, $sScript, ''); |
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} |
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elseif($this->sCondition !== null) |
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{ |
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$sScript = 'if(' . $this->sCondition . '){' . $sScript . ';}'; |
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if(($sPhrase)) |
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{ |
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$xDialog->getAlert()->setReturn(true); |
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$sScript .= 'else{' . $xDialog->warning($sPhrase) . ';}'; |
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} |
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} |
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return $sVars . $sScript; |
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} |
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/** |
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* Prints a string representation of the script output (javascript) from this request object |
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* |
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* @return void |
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*/ |
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public function printScript() |
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{ |
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print $this->getScript(); |
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} |
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/** |
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* Check if the request has a parameter of type Parameter::PAGE_NUMBER |
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* |
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* @return boolean |
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*/ |
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public function hasPageNumber() |
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{ |
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foreach($this->aParameters as $xParameter) |
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{ |
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if($xParameter->getType() == Parameter::PAGE_NUMBER) |
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{ |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Set a value to the Parameter::PAGE_NUMBER parameter |
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* |
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* @param integer $nPageNumber The current page number |
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* |
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* @return Request |
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*/ |
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public function setPageNumber($nPageNumber) |
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{ |
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// Set the value of the Parameter::PAGE_NUMBER parameter |
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foreach($this->aParameters as $xParameter) |
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{ |
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if($xParameter->getType() == Parameter::PAGE_NUMBER) |
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{ |
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$xParameter->setValue(intval($nPageNumber)); |
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break; |
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} |
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} |
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return $this; |
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} |
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/** |
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* Make the pagination links for this request |
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* |
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* @param integer $nCurrentPage The current page |
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* @param integer $nItemsPerPage The number of items per page page |
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* @param integer $nItemsTotal The total number of items |
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|
|
359
|
|
|
* |
360
|
|
|
* @return \Jaxon\Utils\Pagination\Paginator |
361
|
|
|
*/ |
362
|
|
|
public function pg($nCurrentPage, $nItemsPerPage, $nItemsTotal) |
363
|
|
|
{ |
364
|
|
|
return jaxon()->di()->getPaginator() |
365
|
|
|
->setup($nItemsTotal, $nItemsPerPage, $nCurrentPage, $this); |
|
|
|
|
366
|
|
|
} |
367
|
|
|
|
368
|
|
|
/** |
369
|
|
|
* Make the pagination links for this request |
370
|
|
|
* |
371
|
|
|
* @param integer $nCurrentPage The current page |
|
|
|
|
372
|
|
|
* @param integer $nItemsPerPage The number of items per page page |
|
|
|
|
373
|
|
|
* @param integer $nItemsTotal The total number of items |
|
|
|
|
374
|
|
|
* |
375
|
|
|
* @return \Jaxon\Utils\Pagination\Paginator |
376
|
|
|
*/ |
377
|
|
|
public function paginate($nCurrentPage, $nItemsPerPage, $nItemsTotal) |
378
|
|
|
{ |
379
|
|
|
return $this->pg($nCurrentPage, $nItemsPerPage, $nItemsTotal); |
380
|
|
|
} |
381
|
|
|
} |
382
|
|
|
|