<?php
/**
* JsCall.php - A javascript function call, with its parameters.
*
* @package jaxon-core
* @author Jared White
* @author J. Max Wilson
* @author Joseph Woolley
* @author Steffen Konerow
* @author Thierry Feuzeu
* @copyright Copyright (c) 2005-2007 by Jared White & J. Max Wilson
* @copyright Copyright (c) 2008-2010 by Joseph Woolley, Steffen Konerow, Jared White & J. Max Wilson
* @copyright 2016 Thierry Feuzeu <thierry.feuzeu@gmail.com>
* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
* @link https://github.com/jaxon-php/jaxon-core
*/
namespace Jaxon\Request\Factory;
use JsonSerializable;
use Jaxon\Jaxon;
class JsCall implements JsonSerializable
{
/**
* The name of the javascript function
*
* @var string
*/
private $sFunction;
/**
* A string containing either a single or a double quote character that will be used
* during the generation of the javascript for this function.
* This can be set prior to calling <Request->getScript>
*
* @var string
*/
public $sQuoteCharacter;
/**
* An array of parameters that will be used to populate the argument list for this function
* when the javascript is output in <Request->getScript>
*
* @var array
*/
protected $aParameters;
/**
* The constructor.
*
* @param string $sFunction The javascript function
*/
public function __construct($sFunction)
{
$this->aParameters = [];
$this->sQuoteCharacter = '"';
$this->sFunction = $sFunction;
}
/**
* Instruct the request to use single quotes when generating the javascript
*
* @return JsCall
*/
public function useSingleQuote()
{
$this->sQuoteCharacter = "'";
return $this;
}
/**
* Instruct the request to use single quotes when generating the javascript
*
* @return JsCall
*/
public function useSingleQuotes()
{
$this->sQuoteCharacter = "'";
return $this;
}
/**
* Instruct the request to use double quotes while generating the javascript
*
* @return JsCall
*/
public function useDoubleQuote()
{
$this->sQuoteCharacter = '"';
return $this;
}
/**
* Instruct the request to use double quotes while generating the javascript
*
* @return JsCall
*/
public function useDoubleQuotes()
{
$this->sQuoteCharacter = '"';
return $this;
}
/**
* Clear the parameter list associated with this request
*
* @return JsCall
*/
public function clearParameters()
{
$this->aParameters = [];
return $this;
}
/**
* Set the value of the parameter at the given position
*
* @param Contracts\Parameter $xParameter The value to be used
*
* @return JsCall
*/
public function pushParameter(Contracts\Parameter $xParameter)
{
$this->aParameters[] = $xParameter;
return $this;
}
/**
* Add a parameter value to the parameter list for this request
*
* @param string $sType The type of the value to be used
* @param string $sValue The value to be used
*
* Types should be one of the following <Parameter::FORM_VALUES>, <Parameter::QUOTED_VALUE>, <Parameter::NUMERIC_VALUE>,
* <Parameter::JS_VALUE>, <Parameter::INPUT_VALUE>, <Parameter::CHECKED_VALUE>, <Parameter::PAGE_NUMBER>.
* The value should be as follows:
* - <Parameter::FORM_VALUES> - Use the ID of the form you want to process.
* - <Parameter::QUOTED_VALUE> - The string data to be passed.
* - <Parameter::JS_VALUE> - A string containing valid javascript
* (either a javascript variable name that will be in scope at the time of the call or
* a javascript function call whose return value will become the parameter).
*
* @return JsCall
*/
public function addParameter($sType, $sValue)
{
$this->pushParameter(new Parameter($sType, $sValue));
return $this;
}
/**
* Add a set of parameters to this request
*
* @param array $aParameters The parameters
*
* @return JsCall
*/
public function addParameters(array $aParameters)
{
foreach($aParameters as $xParameter)
{
if($xParameter instanceof JsCall)
{
$this->addParameter(Parameter::JS_VALUE, 'function(){' . $xParameter->getScript() . ';}');
}
else
{
$this->pushParameter(Parameter::make($xParameter));
}
}
return $this;
}
/**
* Returns a string representation of the script output (javascript) from this request object
*
* @return string
*/
public function getScript()
{
return $this->sFunction . '(' . implode(', ', $this->aParameters) . ')';
}
/**
* Convert this request object to string
*
* @return string
*/
public function __toString()
{
return $this->getScript();
}
/**
* Convert this request object to string, when converting the response into json.
*
* This is a method of the JsonSerializable interface.
*
* @return string
*/
public function jsonSerialize()
{
return $this->getScript();
}
}
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