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<?php |
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/** |
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* Element.php - A jQuery selector |
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* |
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* This class is used to create client side requests to the Jaxon functions and callable objects. |
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* |
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* When inserted into a Jaxon response, an Element object must be converted to the corresponding jQuery code. |
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* Therefore, the Element class implements the JsonSerializable interface. |
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* |
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* When used as a parameter of a Jaxon call, the Element must be converted to Jaxon request parameter. |
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* Therefore, the Element class also implements the Jaxon\Request\Interfaces\Parameter interface. |
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* |
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* @package jaxon-jquery |
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* @author Thierry Feuzeu <[email protected]> |
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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-jquery |
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*/ |
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namespace Jaxon\Response\Plugin\JQuery\Dom; |
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use JsonSerializable; |
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use Jaxon\Jaxon; |
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use Jaxon\Request\JsCall; |
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use Jaxon\Request\Interfaces\Parameter; |
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use Jaxon\Response\Plugin\Call\Method; |
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use Jaxon\Response\Plugin\Call\AttrSet; |
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use Jaxon\Response\Plugin\Call\AttrGet; |
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class Element implements JsonSerializable, Parameter |
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{ |
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/** |
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* The jQuery selector |
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* |
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* @var string |
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*/ |
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protected $sSelector; |
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/** |
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* The actions to be applied on the selected element |
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* |
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* @var array |
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*/ |
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protected $aCalls; |
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/** |
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* The constructor. |
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* |
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* @param string $sSelector The jQuery selector |
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* @param string $sContext A context associated to the selector |
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*/ |
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public function __construct($sSelector = '', $sContext = '') |
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{ |
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$sSelector = trim($sSelector, " \t"); |
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$sContext = trim($sContext, " \t"); |
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$this->aCalls = []; |
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$jQueryNs = jaxon()->getOption('core.jquery.no_conflict', false) ? 'jQuery' : '$'; |
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if(!$sSelector) |
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{ |
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$this->sSelector = "$jQueryNs(this)"; // If an empty selector is given, use javascript "this" instead |
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} |
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elseif(($sContext)) |
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{ |
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$this->sSelector = "$jQueryNs('" . $sSelector . "', $jQueryNs('" . $sContext . "'))"; |
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} |
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else |
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{ |
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$this->sSelector = "$jQueryNs('" . $sSelector . "')"; |
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} |
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} |
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/** |
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* Add a call to a jQuery method on the selected elements |
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* |
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* @return Element |
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*/ |
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public function __call($sMethod, $aArguments) |
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{ |
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// Push the action into the array |
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$this->aCalls[] = new Method($sMethod, $aArguments); |
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// Return $this so the calls can be chained |
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return $this; |
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} |
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/** |
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* Get the value of an attribute on the first selected element |
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* |
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* @return Element |
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*/ |
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public function __get($sAttribute) |
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{ |
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// Push the action into the array |
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$this->aCalls[] = new AttrGet($sAttribute); |
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// Return $this so the calls can be chained |
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return $this; |
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} |
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/** |
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* Set the value of an attribute on the first selected element |
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* |
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* @return Element |
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*/ |
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public function __set($sAttribute, $xValue) |
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{ |
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// Push the action into the array |
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$this->aCalls[] = new AttrSet($sAttribute, $xValue); |
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// Return null because no other call is allowed after a set |
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return null; |
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} |
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/** |
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* Generate the jQuery call. |
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* |
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* @return string |
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*/ |
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public function getScript() |
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{ |
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if(count($this->aCalls) == 0) |
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{ |
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return $this->sSelector; |
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} |
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return $this->sSelector . '.' . implode('.', $this->aCalls); |
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} |
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/** |
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* Magic function to generate the jQuery call. |
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* |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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return $this->getScript(); |
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} |
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/** |
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* Generate the jQuery call, when converting the response into json. |
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* |
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* This is a method of the JsonSerializable interface. |
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* |
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* @return string |
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*/ |
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public function jsonSerialize() |
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{ |
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return $this->getScript(); |
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} |
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} |
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jaxon-php /
jaxon-core
