cakephp2-php8/cake/libs/view/helpers/jquery_engine.php
2009-03-15 21:44:40 -04:00

146 lines
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4.3 KiB
PHP

<?php
/**
* jQuery Engine Helper for JsHelper
*
* Provides jQuery specific Javascript for JsHelper.
*
* PHP versions 4 and 5
*
* CakePHP : Rapid Development Framework <http://www.cakephp.org/>
* Copyright 2006-2008, Cake Software Foundation, Inc.
* 1785 E. Sahara Avenue, Suite 490-204
* Las Vegas, Nevada 89104
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @copyright Copyright 2006-2008, Cake Software Foundation, Inc.
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP Project
* @package cake
* @subpackage cake.
* @version
* @modifiedby
* @lastmodified
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
App::import('Helper', 'Js');
class JqueryEngineHelper extends JsBaseEngineHelper {
/**
* Option mappings for jQuery
*
* @var array
**/
var $_optionMap = array(
'request' => array(
'type' => 'dataType',
'complete' => 'success',
'request' => 'beforeSend',
)
);
/**
* Create javascript selector for a CSS rule
*
* @param string $selector The selector that is targeted
* @return object instance of $this. Allows chained methods.
**/
function get($selector) {
if ($selector == 'window' || $selector == 'document') {
$this->selection = '$(' . $selector .')';
} else {
$this->selection = '$("' . $selector . '")';
}
return $this;
}
/**
* Add an event to the script cache. Operates on the currently selected elements.
*
* ### Options
*
* - 'wrap' - Whether you want the callback wrapped in an anonymous function. (defaults true)
* - 'stop' - Whether you want the event to stopped. (defaults true)
*
* @param string $type Type of event to bind to the current dom id
* @param string $callback The Javascript function you wish to trigger or the function literal
* @param array $options Options for the event.
* @return string completed event handler
**/
function event($type, $callback, $options = array()) {
$defaults = array('wrap' => true, 'stop' => true);
$options = array_merge($defaults, $options);
$function = 'function (event) {%s}';
if ($options['wrap'] && $options['stop']) {
$callback .= "\nreturn false;";
}
if ($options['wrap']) {
$callback = sprintf($function, $callback);
}
return sprintf('%s.bind("%s", %s);', $this->selection, $type, $callback);
}
/**
* Create a domReady event. This is a special event in many libraries
*
* @param string $functionBody The code to run on domReady
* @return string completed domReady method
**/
function domReady($functionBody) {
return $this->get('document')->event('ready', $functionBody, array('stop' => false));
}
/**
* Create an iteration over the current selection result.
*
* @param string $method The method you want to apply to the selection
* @param string $callback The function body you wish to apply during the iteration.
* @return string completed iteration
**/
function each($callback) {
return $this->selection . '.each(function () {' . $callback . '});';
}
/**
* Trigger an Effect.
*
* @param string $name The name of the effect to trigger.
* @param array $options Array of options for the effect.
* @return string completed string with effect.
* @see JsBaseEngineHelper::effect()
**/
function effect($name, $options = array()) {
$speed = null;
if (isset($options['speed']) && in_array($options['speed'], array('fast', 'slow'))) {
$speed = $this->value($options['speed']);
}
$effect = '';
switch ($name) {
case 'hide':
case 'show':
case 'fadeIn':
case 'fadeOut':
case 'slideIn':
case 'slideOut':
$effect = ".$name($speed);";
break;
}
return $this->selection . $effect;
}
/**
* Create an $.ajax() call.
*
* @param mixed $url
* @param array $options
* @return string The completed ajax call.
**/
function request($url, $options = array()) {
$url = $this->url($url);
$options = $this->_mapOptions('request', $options);
if (isset($options['data']) && is_array($options['data'])) {
$options['data'] = $this->_toQuerystring($options['data']);
}
$options['url'] = $url;
$callbacks = array('success', 'error', 'beforeSend', 'complete');
$options = $this->_parseOptions($options, $callbacks);
return '$.ajax({' . $options .'});';
}
}
?>