From 9fac0b92c62855e174f723db02cccbc2dfd0fda3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jose=CC=81=20Lorenzo=20Rodri=CC=81guez?=
 <jose.zap@gmail.com>
Date: Tue, 21 Dec 2010 22:01:38 -0430
Subject: [PATCH] Extracting JsBaseEngineHelper to its own file, fixing some
 JsHelper related test cases

---
 lib/Cake/View/Helper/JqueryEngineHelper.php   |   2 +-
 lib/Cake/View/Helper/JsBaseEngineHelper.php   | 652 ++++++++++++++++++
 lib/Cake/View/Helper/JsHelper.php             | 635 +----------------
 lib/Cake/View/Helper/MootoolsEngineHelper.php |   2 +-
 .../View/Helper/PrototypeEngineHelper.php     |   2 +-
 .../tests/cases/libs/view/helpers/js.test.php |   1 +
 .../view/helpers/mootools_engine.test.php     |   2 +-
 7 files changed, 659 insertions(+), 637 deletions(-)
 create mode 100644 lib/Cake/View/Helper/JsBaseEngineHelper.php

diff --git a/lib/Cake/View/Helper/JqueryEngineHelper.php b/lib/Cake/View/Helper/JqueryEngineHelper.php
index bc3d90423..17e226d6f 100644
--- a/lib/Cake/View/Helper/JqueryEngineHelper.php
+++ b/lib/Cake/View/Helper/JqueryEngineHelper.php
@@ -23,7 +23,7 @@
  * @license         MIT License (http://www.opensource.org/licenses/mit-license.php)
  */
 
-App::uses('JsHelper', 'View/Helper');
+App::uses('AppHelper', 'View/Helper');
 App::uses('JsBaseEngineHelper', 'View/Helper');
 
 class JqueryEngineHelper extends JsBaseEngineHelper {
diff --git a/lib/Cake/View/Helper/JsBaseEngineHelper.php b/lib/Cake/View/Helper/JsBaseEngineHelper.php
new file mode 100644
index 000000000..8d52f6939
--- /dev/null
+++ b/lib/Cake/View/Helper/JsBaseEngineHelper.php
@@ -0,0 +1,652 @@
+<?php
+/**
+ * JsEngineBaseClass
+ *
+ * PHP 5
+ *
+ * CakePHP :  Rapid Development Framework (http://cakephp.org)
+ * Copyright 2006-2010, Cake Software Foundation, Inc.
+ *
+ * Licensed under The MIT License
+ * Redistributions of files must retain the above copyright notice.
+ *
+ * @copyright     Copyright 2006-2010, Cake Software Foundation, Inc.
+ * @link          http://cakephp.org CakePHP Project
+ * @package       cake
+ * @subpackage    cake.cake.libs.view.helpers
+ * @since         CakePHP v 2.0
+ * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
+ */
+
+App::uses('AppHelper', 'View/Helper');
+
+/**
+ *
+ * Abstract Base Class for All JsEngines to extend. Provides generic methods.
+ *
+ * @package cake.view.helpers
+ */
+abstract class JsBaseEngineHelper extends AppHelper {
+/**
+ * Determines whether native JSON extension is used for encoding.  Set by object constructor.
+ *
+ * @var boolean
+ * @access public
+ */
+	public $useNative = false;
+
+/**
+ * The js snippet for the current selection.
+ *
+ * @var string
+ * @access public
+ */
+	public $selection;
+
+/**
+ * Collection of option maps. Option maps allow other helpers to use generic names for engine
+ * callbacks and options.  Allowing uniform code access for all engine types.  Their use is optional
+ * for end user use though.
+ *
+ * @var array
+ * @access protected
+ */
+	protected $_optionMap = array();
+
+/**
+ * An array of lowercase method names in the Engine that are buffered unless otherwise disabled.
+ * This allows specific 'end point' methods to be automatically buffered by the JsHelper.
+ *
+ * @var array
+ * @access public
+ */
+	public $bufferedMethods = array('event', 'sortable', 'drag', 'drop', 'slider');
+
+/**
+ * Contains a list of callback names -> default arguments.
+ *
+ * @var array
+ * @access protected
+ */
+	protected $_callbackArguments = array();
+
+/**
+ * Constructor.
+ *
+ * @return void
+ */
+	function __construct() {
+		$this->useNative = function_exists('json_encode');
+	}
+
+/**
+ * Create an `alert()` message in Javascript
+ *
+ * @param string $message Message you want to alter.
+ * @return string completed alert()
+ */
+	public function alert($message) {
+		return 'alert("' . $this->escape($message) . '");';
+	}
+
+/**
+ * Redirects to a URL.  Creates a window.location modification snippet
+ * that can be used to trigger 'redirects' from Javascript.
+ *
+ * @param mixed $url
+ * @param array  $options
+ * @return string completed redirect in javascript
+ */
+	public function redirect($url = null) {
+		return 'window.location = "' . Router::url($url) . '";';
+	}
+
+/**
+ * Create a `confirm()` message
+ *
+ * @param string $message Message you want confirmed.
+ * @return string completed confirm()
+ */
+	public function confirm($message) {
+		return 'confirm("' . $this->escape($message) . '");';
+	}
+
+/**
+ * Generate a confirm snippet that returns false from the current
+ * function scope.
+ *
+ * @param string $message Message to use in the confirm dialog.
+ * @return string completed confirm with return script
+ */
+	public function confirmReturn($message) {
+		$out = 'var _confirm = ' . $this->confirm($message);
+		$out .= "if (!_confirm) {\n\treturn false;\n}";
+		return $out;
+	}
+
+/**
+ * Create a `prompt()` Javascript function
+ *
+ * @param string $message Message you want to prompt.
+ * @param string $default Default message
+ * @return string completed prompt()
+ */
+	public function prompt($message, $default = '') {
+		return 'prompt("' . $this->escape($message) . '", "' . $this->escape($default) . '");';
+	}
+
+/**
+ * Generates a JavaScript object in JavaScript Object Notation (JSON)
+ * from an array.  Will use native JSON encode method if available, and $useNative == true
+ *
+ * ### Options:
+ *
+ * - `prefix` - String prepended to the returned data.
+ * - `postfix` - String appended to the returned data.
+ *
+ * @param array $data Data to be converted.
+ * @param array $options Set of options, see above.
+ * @return string A JSON code block
+ */
+	public function object($data = array(), $options = array()) {
+		$defaultOptions = array(
+			'prefix' => '', 'postfix' => '',
+		);
+		$options = array_merge($defaultOptions, $options);
+
+		if (is_object($data)) {
+			$data = get_object_vars($data);
+		}
+
+		$out = $keys = array();
+		$numeric = true;
+
+		if ($this->useNative && function_exists('json_encode')) {
+			$rt = json_encode($data);
+		} else {
+			if (is_null($data)) {
+				return 'null';
+			}
+			if (is_bool($data)) {
+				return $data ? 'true' : 'false';
+			}
+			if (is_array($data)) {
+				$keys = array_keys($data);
+			}
+
+			if (!empty($keys)) {
+				$numeric = (array_values($keys) === array_keys(array_values($keys)));
+			}
+
+			foreach ($data as $key => $val) {
+				if (is_array($val) || is_object($val)) {
+					$val = $this->object($val);
+				} else {
+					$val = $this->value($val);
+				}
+				if (!$numeric) {
+					$val = '"' . $this->value($key, false) . '":' . $val;
+				}
+				$out[] = $val;
+			}
+
+			if (!$numeric) {
+				$rt = '{' . join(',', $out) . '}';
+			} else {
+				$rt = '[' . join(',', $out) . ']';
+			}
+		}
+		$rt = $options['prefix'] . $rt . $options['postfix'];
+		return $rt;
+	}
+
+/**
+ * Converts a PHP-native variable of any type to a JSON-equivalent representation
+ *
+ * @param mixed $val A PHP variable to be converted to JSON
+ * @param boolean $quoteStrings If false, leaves string values unquoted
+ * @return string a JavaScript-safe/JSON representation of $val
+ */
+	public function value($val, $quoteString = true) {
+		switch (true) {
+			case (is_array($val) || is_object($val)):
+				$val = $this->object($val);
+			break;
+			case ($val === null):
+				$val = 'null';
+			break;
+			case (is_bool($val)):
+				$val = ($val === true) ? 'true' : 'false';
+			break;
+			case (is_int($val)):
+				$val = $val;
+			break;
+			case (is_float($val)):
+				$val = sprintf("%.11f", $val);
+			break;
+			default:
+				$val = $this->escape($val);
+				if ($quoteString) {
+					$val = '"' . $val . '"';
+				}
+			break;
+		}
+		return $val;
+	}
+
+/**
+ * Escape a string to be JSON friendly.
+ *
+ * List of escaped elements:
+ *
+ * - "\r" => '\n'
+ * - "\n" => '\n'
+ * - '"' => '\"'
+ *
+ * @param  string $script String that needs to get escaped.
+ * @return string Escaped string.
+ */
+	public function escape($string) {
+		return $this->_utf8ToHex($string);
+	}
+
+/**
+ * Encode a string into JSON.  Converts and escapes necessary characters.
+ *
+ * @param string $string The string that needs to be utf8->hex encoded
+ * @return void
+ */
+	protected function _utf8ToHex($string) {
+		$length = strlen($string);
+		$return = '';
+		for ($i = 0; $i < $length; ++$i) {
+			$ord = ord($string{$i});
+			switch (true) {
+				case $ord == 0x08:
+					$return .= '\b';
+					break;
+				case $ord == 0x09:
+					$return .= '\t';
+					break;
+				case $ord == 0x0A:
+					$return .= '\n';
+					break;
+				case $ord == 0x0C:
+					$return .= '\f';
+					break;
+				case $ord == 0x0D:
+					$return .= '\r';
+					break;
+				case $ord == 0x22:
+				case $ord == 0x2F:
+				case $ord == 0x5C:
+					$return .= '\\' . $string{$i};
+					break;
+				case (($ord >= 0x20) && ($ord <= 0x7F)):
+					$return .= $string{$i};
+					break;
+				case (($ord & 0xE0) == 0xC0):
+					if ($i + 1 >= $length) {
+						$i += 1;
+						$return .= '?';
+						break;
+					}
+					$charbits = $string{$i} . $string{$i + 1};
+					$char = Multibyte::utf8($charbits);
+					$return .= sprintf('\u%04s', dechex($char[0]));
+					$i += 1;
+					break;
+				case (($ord & 0xF0) == 0xE0):
+					if ($i + 2 >= $length) {
+						$i += 2;
+						$return .= '?';
+						break;
+					}
+					$charbits = $string{$i} . $string{$i + 1} . $string{$i + 2};
+					$char = Multibyte::utf8($charbits);
+					$return .= sprintf('\u%04s', dechex($char[0]));
+					$i += 2;
+					break;
+				case (($ord & 0xF8) == 0xF0):
+					if ($i + 3 >= $length) {
+					   $i += 3;
+					   $return .= '?';
+					   break;
+					}
+					$charbits = $string{$i} . $string{$i + 1} . $string{$i + 2} . $string{$i + 3};
+					$char = Multibyte::utf8($charbits);
+					$return .= sprintf('\u%04s', dechex($char[0]));
+					$i += 3;
+					break;
+				case (($ord & 0xFC) == 0xF8):
+					if ($i + 4 >= $length) {
+					   $i += 4;
+					   $return .= '?';
+					   break;
+					}
+					$charbits = $string{$i} . $string{$i + 1} . $string{$i + 2} . $string{$i + 3} . $string{$i + 4};
+					$char = Multibyte::utf8($charbits);
+					$return .= sprintf('\u%04s', dechex($char[0]));
+					$i += 4;
+					break;
+				case (($ord & 0xFE) == 0xFC):
+					if ($i + 5 >= $length) {
+					   $i += 5;
+					   $return .= '?';
+					   break;
+					}
+					$charbits = $string{$i} . $string{$i + 1} . $string{$i + 2} . $string{$i + 3} . $string{$i + 4} . $string{$i + 5};
+					$char = Multibyte::utf8($charbits);
+					$return .= sprintf('\u%04s', dechex($char[0]));
+					$i += 5;
+					break;
+			}
+		}
+		return $return;
+	}
+
+/**
+ * Create javascript selector for a CSS rule
+ *
+ * @param string $selector The selector that is targeted
+ * @return object instance of $this. Allows chained methods.
+ */
+	abstract public function get($selector);
+
+/**
+ * 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 to true)
+ * - `stop` - Whether you want the event to stopped. (defaults to 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 $options Options for the event.
+ * @return string completed event handler
+ */
+	abstract public function event($type, $callback, $options = array());
+
+/**
+ * Create a domReady event. This is a special event in many libraries
+ *
+ * @param string $functionBody The code to run on domReady
+ * @return string completed domReady method
+ */
+	abstract public function domReady($functionBody);
+
+/**
+ * Create an iteration over the current selection result.
+ *
+ * @param string $callback The function body you wish to apply during the iteration.
+ * @return string completed iteration
+ */
+	abstract public function each($callback);
+
+/**
+ * Trigger an Effect.
+ *
+ * ### Supported Effects
+ *
+ * The following effects are supported by all core JsEngines
+ *
+ * - `show` - reveal an element.
+ * - `hide` - hide an element.
+ * - `fadeIn` - Fade in an element.
+ * - `fadeOut` - Fade out an element.
+ * - `slideIn` - Slide an element in.
+ * - `slideOut` - Slide an element out.
+ *
+ * ### Options
+ *
+ * - `speed` - Speed at which the animation should occur. Accepted values are 'slow', 'fast'. Not all effects use
+ *   the speed option.
+ *
+ * @param string $name The name of the effect to trigger.
+ * @param array $options Array of options for the effect.
+ * @return string completed string with effect.
+ */
+	abstract public function effect($name, $options = array());
+
+/**
+ * Make an XHR request
+ *
+ * ### Event Options
+ *
+ * - `complete` - Callback to fire on complete.
+ * - `success` - Callback to fire on success.
+ * - `before` - Callback to fire on request initialization.
+ * - `error` - Callback to fire on request failure.
+ *
+ * ### Options
+ *
+ * - `method` - The method to make the request with defaults to GET in more libraries
+ * - `async` - Whether or not you want an asynchronous request.
+ * - `data` - Additional data to send.
+ * - `update` - Dom id to update with the content of the request.
+ * - `type` - Data type for response. 'json' and 'html' are supported. Default is html for most libraries.
+ * - `evalScripts` - Whether or not <script> tags should be eval'ed.
+ * - `dataExpression` - Should the `data` key be treated as a callback.  Useful for supplying `$options['data']` as
+ *    another Javascript expression.
+ *
+ * @param mixed $url Array or String URL to target with the request.
+ * @param array $options Array of options. See above for cross library supported options
+ * @return string XHR request.
+ */
+	abstract public function request($url, $options = array());
+
+/**
+ * Create a draggable element.  Works on the currently selected element.
+ * Additional options may be supported by the library implementation.
+ *
+ * ### Options
+ *
+ * - `handle` - selector to the handle element.
+ * - `snapGrid` - The pixel grid that movement snaps to, an array(x, y)
+ * - `container` - The element that acts as a bounding box for the draggable element.
+ *
+ * ### Event Options
+ *
+ * - `start` - Event fired when the drag starts
+ * - `drag` - Event fired on every step of the drag
+ * - `stop` - Event fired when dragging stops (mouse release)
+ *
+ * @param array $options Options array see above.
+ * @return string Completed drag script
+ */
+	abstract public function drag($options = array());
+
+/**
+ * Create a droppable element. Allows for draggable elements to be dropped on it.
+ * Additional options may be supported by the library implementation.
+ *
+ * ### Options
+ *
+ * - `accept` - Selector for elements this droppable will accept.
+ * - `hoverclass` - Class to add to droppable when a draggable is over.
+ *
+ * ### Event Options
+ *
+ * - `drop` - Event fired when an element is dropped into the drop zone.
+ * - `hover` - Event fired when a drag enters a drop zone.
+ * - `leave` - Event fired when a drag is removed from a drop zone without being dropped.
+ *
+ * @return string Completed drop script
+ */
+	abstract public function drop($options = array());
+
+/**
+ * Create a sortable element.
+ * Additional options may be supported by the library implementation.
+ *
+ * ### Options
+ *
+ * - `containment` - Container for move action
+ * - `handle` - Selector to handle element. Only this element will start sort action.
+ * - `revert` - Whether or not to use an effect to move sortable into final position.
+ * - `opacity` - Opacity of the placeholder
+ * - `distance` - Distance a sortable must be dragged before sorting starts.
+ *
+ * ### Event Options
+ *
+ * - `start` - Event fired when sorting starts
+ * - `sort` - Event fired during sorting
+ * - `complete` - Event fired when sorting completes.
+ *
+ * @param array $options Array of options for the sortable. See above.
+ * @return string Completed sortable script.
+ */
+	abstract public function sortable($options = array());
+
+/**
+ * Create a slider UI widget.  Comprised of a track and knob.
+ * Additional options may be supported by the library implementation.
+ *
+ * ### Options
+ *
+ * - `handle` - The id of the element used in sliding.
+ * - `direction` - The direction of the slider either 'vertical' or 'horizontal'
+ * - `min` - The min value for the slider.
+ * - `max` - The max value for the slider.
+ * - `step` - The number of steps or ticks the slider will have.
+ * - `value` - The initial offset of the slider.
+ *
+ * ### Events
+ *
+ * - `change` - Fired when the slider's value is updated
+ * - `complete` - Fired when the user stops sliding the handle
+ *
+ * @return string Completed slider script
+ */
+	abstract public function slider($options = array());
+/**
+ * Serialize the form attached to $selector.
+ * Pass `true` for $isForm if the current selection is a form element.
+ * Converts the form or the form element attached to the current selection into a string/json object
+ * (depending on the library implementation) for use with XHR operations.
+ *
+ * ### Options
+ *
+ * - `isForm` - is the current selection a form, or an input? (defaults to false)
+ * - `inline` - is the rendered statement going to be used inside another JS statement? (defaults to false)
+ *
+ * @param array $options options for serialization generation.
+ * @return string completed form serialization script
+ */
+	abstract public function serializeForm($options = array());
+
+/**
+ * Parse an options assoc array into an Javascript object literal.
+ * Similar to object() but treats any non-integer value as a string,
+ * does not include `{ }`
+ *
+ * @param array $options Options to be converted
+ * @param array $safeKeys Keys that should not be escaped.
+ * @return string Parsed JSON options without enclosing { }.
+ */
+	protected function _parseOptions($options, $safeKeys = array()) {
+		$out = array();
+		$safeKeys = array_flip($safeKeys);
+		foreach ($options as $key => $value) {
+			if (!is_int($value) && !isset($safeKeys[$key])) {
+				$value = $this->value($value);
+			}
+			$out[] = $key . ':' . $value;
+		}
+		sort($out);
+		return join(', ', $out);
+	}
+
+/**
+ * Maps Abstract options to engine specific option names.
+ * If attributes are missing from the map, they are not changed.
+ *
+ * @param string $method Name of method whose options are being worked with.
+ * @param array $options Array of options to map.
+ * @return array Array of mapped options.
+ */
+	protected function _mapOptions($method, $options) {
+		if (!isset($this->_optionMap[$method])) {
+			return $options;
+		}
+		foreach ($this->_optionMap[$method] as $abstract => $concrete) {
+			if (isset($options[$abstract])) {
+				$options[$concrete] = $options[$abstract];
+				unset($options[$abstract]);
+			}
+		}
+		return $options;
+	}
+
+/**
+ * Prepare callbacks and wrap them with function ([args]) { } as defined in
+ * _callbackArgs array.
+ *
+ * @param string $method Name of the method you are preparing callbacks for.
+ * @param array $options Array of options being parsed
+ * @param string $callbacks Additional Keys that contain callbacks
+ * @return array Array of options with callbacks added.
+ */
+	protected function _prepareCallbacks($method, $options, $callbacks = array()) {
+		$wrapCallbacks = true;
+		if (isset($options['wrapCallbacks'])) {
+			$wrapCallbacks = $options['wrapCallbacks'];
+		}
+		unset($options['wrapCallbacks']);
+		if (!$wrapCallbacks) {
+			return $options;
+		}
+		$callbackOptions = array();
+		if (isset($this->_callbackArguments[$method])) {
+			$callbackOptions = $this->_callbackArguments[$method];
+		}
+		$callbacks = array_unique(array_merge(array_keys($callbackOptions), (array)$callbacks));
+
+		foreach ($callbacks as $callback) {
+			if (empty($options[$callback])) {
+				continue;
+			}
+			$args = null;
+			if (!empty($callbackOptions[$callback])) {
+				$args = $callbackOptions[$callback];
+			}
+			$options[$callback] = 'function (' . $args . ') {' . $options[$callback] . '}';
+		}
+		return $options;
+	}
+
+/**
+ * Conveinence wrapper method for all common option processing steps.
+ * Runs _mapOptions, _prepareCallbacks, and _parseOptions in order.
+ *
+ * @param string $method Name of method processing options for.
+ * @param array $options Array of options to process.
+ * @return string Parsed options string.
+ */
+	protected function _processOptions($method, $options) {
+		$options = $this->_mapOptions($method, $options);
+		$options = $this->_prepareCallbacks($method, $options);
+		$options = $this->_parseOptions($options, array_keys($this->_callbackArguments[$method]));
+		return $options;
+	}
+
+/**
+ * Convert an array of data into a query string
+ *
+ * @param array $parameters Array of parameters to convert to a query string
+ * @return string Querystring fragment
+ */
+	protected function _toQuerystring($parameters) {
+		$out = '';
+		$keys = array_keys($parameters);
+		$count = count($parameters);
+		for ($i = 0; $i < $count; $i++) {
+			$out .= $keys[$i] . '=' . $parameters[$keys[$i]];
+			if ($i < $count - 1) {
+				$out .= '&';
+			}
+		}
+		return $out;
+	}
+}
\ No newline at end of file
diff --git a/lib/Cake/View/Helper/JsHelper.php b/lib/Cake/View/Helper/JsHelper.php
index d482d8466..e221f1a01 100644
--- a/lib/Cake/View/Helper/JsHelper.php
+++ b/lib/Cake/View/Helper/JsHelper.php
@@ -19,6 +19,7 @@
  */
 
 App::uses('AppHelper', 'View/Helper');
+App::uses('JsBaseEngineHelper', 'View/Helper');
 App::uses('Multibyte', 'I18n');
 
 /**
@@ -423,636 +424,4 @@ class JsHelper extends AppHelper {
 		}
 		return array($options, $htmlOptions);
 	}
-}
-
-/**
- * JsEngineBaseClass
- *
- * Abstract Base Class for All JsEngines to extend. Provides generic methods.
- *
- * @package cake.view.helpers
- */
-abstract class JsBaseEngineHelper extends AppHelper {
-/**
- * Determines whether native JSON extension is used for encoding.  Set by object constructor.
- *
- * @var boolean
- * @access public
- */
-	public $useNative = false;
-
-/**
- * The js snippet for the current selection.
- *
- * @var string
- * @access public
- */
-	public $selection;
-
-/**
- * Collection of option maps. Option maps allow other helpers to use generic names for engine
- * callbacks and options.  Allowing uniform code access for all engine types.  Their use is optional
- * for end user use though.
- *
- * @var array
- * @access protected
- */
-	protected $_optionMap = array();
-
-/**
- * An array of lowercase method names in the Engine that are buffered unless otherwise disabled.
- * This allows specific 'end point' methods to be automatically buffered by the JsHelper.
- *
- * @var array
- * @access public
- */
-	public $bufferedMethods = array('event', 'sortable', 'drag', 'drop', 'slider');
-
-/**
- * Contains a list of callback names -> default arguments.
- *
- * @var array
- * @access protected
- */
-	protected $_callbackArguments = array();
-
-/**
- * Constructor.
- *
- * @return void
- */
-	function __construct() {
-		$this->useNative = function_exists('json_encode');
-	}
-
-/**
- * Create an `alert()` message in Javascript
- *
- * @param string $message Message you want to alter.
- * @return string completed alert()
- */
-	public function alert($message) {
-		return 'alert("' . $this->escape($message) . '");';
-	}
-
-/**
- * Redirects to a URL.  Creates a window.location modification snippet
- * that can be used to trigger 'redirects' from Javascript.
- *
- * @param mixed $url
- * @param array  $options
- * @return string completed redirect in javascript
- */
-	public function redirect($url = null) {
-		return 'window.location = "' . Router::url($url) . '";';
-	}
-
-/**
- * Create a `confirm()` message
- *
- * @param string $message Message you want confirmed.
- * @return string completed confirm()
- */
-	public function confirm($message) {
-		return 'confirm("' . $this->escape($message) . '");';
-	}
-
-/**
- * Generate a confirm snippet that returns false from the current
- * function scope.
- *
- * @param string $message Message to use in the confirm dialog.
- * @return string completed confirm with return script
- */
-	public function confirmReturn($message) {
-		$out = 'var _confirm = ' . $this->confirm($message);
-		$out .= "if (!_confirm) {\n\treturn false;\n}";
-		return $out;
-	}
-
-/**
- * Create a `prompt()` Javascript function
- *
- * @param string $message Message you want to prompt.
- * @param string $default Default message
- * @return string completed prompt()
- */
-	public function prompt($message, $default = '') {
-		return 'prompt("' . $this->escape($message) . '", "' . $this->escape($default) . '");';
-	}
-
-/**
- * Generates a JavaScript object in JavaScript Object Notation (JSON)
- * from an array.  Will use native JSON encode method if available, and $useNative == true
- *
- * ### Options:
- *
- * - `prefix` - String prepended to the returned data.
- * - `postfix` - String appended to the returned data.
- *
- * @param array $data Data to be converted.
- * @param array $options Set of options, see above.
- * @return string A JSON code block
- */
-	public function object($data = array(), $options = array()) {
-		$defaultOptions = array(
-			'prefix' => '', 'postfix' => '',
-		);
-		$options = array_merge($defaultOptions, $options);
-
-		if (is_object($data)) {
-			$data = get_object_vars($data);
-		}
-
-		$out = $keys = array();
-		$numeric = true;
-
-		if ($this->useNative && function_exists('json_encode')) {
-			$rt = json_encode($data);
-		} else {
-			if (is_null($data)) {
-				return 'null';
-			}
-			if (is_bool($data)) {
-				return $data ? 'true' : 'false';
-			}
-			if (is_array($data)) {
-				$keys = array_keys($data);
-			}
-
-			if (!empty($keys)) {
-				$numeric = (array_values($keys) === array_keys(array_values($keys)));
-			}
-
-			foreach ($data as $key => $val) {
-				if (is_array($val) || is_object($val)) {
-					$val = $this->object($val);
-				} else {
-					$val = $this->value($val);
-				}
-				if (!$numeric) {
-					$val = '"' . $this->value($key, false) . '":' . $val;
-				}
-				$out[] = $val;
-			}
-
-			if (!$numeric) {
-				$rt = '{' . join(',', $out) . '}';
-			} else {
-				$rt = '[' . join(',', $out) . ']';
-			}
-		}
-		$rt = $options['prefix'] . $rt . $options['postfix'];
-		return $rt;
-	}
-
-/**
- * Converts a PHP-native variable of any type to a JSON-equivalent representation
- *
- * @param mixed $val A PHP variable to be converted to JSON
- * @param boolean $quoteStrings If false, leaves string values unquoted
- * @return string a JavaScript-safe/JSON representation of $val
- */
-	public function value($val, $quoteString = true) {
-		switch (true) {
-			case (is_array($val) || is_object($val)):
-				$val = $this->object($val);
-			break;
-			case ($val === null):
-				$val = 'null';
-			break;
-			case (is_bool($val)):
-				$val = ($val === true) ? 'true' : 'false';
-			break;
-			case (is_int($val)):
-				$val = $val;
-			break;
-			case (is_float($val)):
-				$val = sprintf("%.11f", $val);
-			break;
-			default:
-				$val = $this->escape($val);
-				if ($quoteString) {
-					$val = '"' . $val . '"';
-				}
-			break;
-		}
-		return $val;
-	}
-
-/**
- * Escape a string to be JSON friendly.
- *
- * List of escaped elements:
- *
- * - "\r" => '\n'
- * - "\n" => '\n'
- * - '"' => '\"'
- *
- * @param  string $script String that needs to get escaped.
- * @return string Escaped string.
- */
-	public function escape($string) {
-		return $this->_utf8ToHex($string);
-	}
-
-/**
- * Encode a string into JSON.  Converts and escapes necessary characters.
- *
- * @param string $string The string that needs to be utf8->hex encoded
- * @return void
- */
-	protected function _utf8ToHex($string) {
-		$length = strlen($string);
-		$return = '';
-		for ($i = 0; $i < $length; ++$i) {
-			$ord = ord($string{$i});
-			switch (true) {
-				case $ord == 0x08:
-					$return .= '\b';
-					break;
-				case $ord == 0x09:
-					$return .= '\t';
-					break;
-				case $ord == 0x0A:
-					$return .= '\n';
-					break;
-				case $ord == 0x0C:
-					$return .= '\f';
-					break;
-				case $ord == 0x0D:
-					$return .= '\r';
-					break;
-				case $ord == 0x22:
-				case $ord == 0x2F:
-				case $ord == 0x5C:
-					$return .= '\\' . $string{$i};
-					break;
-				case (($ord >= 0x20) && ($ord <= 0x7F)):
-					$return .= $string{$i};
-					break;
-				case (($ord & 0xE0) == 0xC0):
-					if ($i + 1 >= $length) {
-						$i += 1;
-						$return .= '?';
-						break;
-					}
-					$charbits = $string{$i} . $string{$i + 1};
-					$char = Multibyte::utf8($charbits);
-					$return .= sprintf('\u%04s', dechex($char[0]));
-					$i += 1;
-					break;
-				case (($ord & 0xF0) == 0xE0):
-					if ($i + 2 >= $length) {
-						$i += 2;
-						$return .= '?';
-						break;
-					}
-					$charbits = $string{$i} . $string{$i + 1} . $string{$i + 2};
-					$char = Multibyte::utf8($charbits);
-					$return .= sprintf('\u%04s', dechex($char[0]));
-					$i += 2;
-					break;
-				case (($ord & 0xF8) == 0xF0):
-					if ($i + 3 >= $length) {
-					   $i += 3;
-					   $return .= '?';
-					   break;
-					}
-					$charbits = $string{$i} . $string{$i + 1} . $string{$i + 2} . $string{$i + 3};
-					$char = Multibyte::utf8($charbits);
-					$return .= sprintf('\u%04s', dechex($char[0]));
-					$i += 3;
-					break;
-				case (($ord & 0xFC) == 0xF8):
-					if ($i + 4 >= $length) {
-					   $i += 4;
-					   $return .= '?';
-					   break;
-					}
-					$charbits = $string{$i} . $string{$i + 1} . $string{$i + 2} . $string{$i + 3} . $string{$i + 4};
-					$char = Multibyte::utf8($charbits);
-					$return .= sprintf('\u%04s', dechex($char[0]));
-					$i += 4;
-					break;
-				case (($ord & 0xFE) == 0xFC):
-					if ($i + 5 >= $length) {
-					   $i += 5;
-					   $return .= '?';
-					   break;
-					}
-					$charbits = $string{$i} . $string{$i + 1} . $string{$i + 2} . $string{$i + 3} . $string{$i + 4} . $string{$i + 5};
-					$char = Multibyte::utf8($charbits);
-					$return .= sprintf('\u%04s', dechex($char[0]));
-					$i += 5;
-					break;
-			}
-		}
-		return $return;
-	}
-
-/**
- * Create javascript selector for a CSS rule
- *
- * @param string $selector The selector that is targeted
- * @return object instance of $this. Allows chained methods.
- */
-	abstract public function get($selector);
-
-/**
- * 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 to true)
- * - `stop` - Whether you want the event to stopped. (defaults to 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 $options Options for the event.
- * @return string completed event handler
- */
-	abstract public function event($type, $callback, $options = array());
-
-/**
- * Create a domReady event. This is a special event in many libraries
- *
- * @param string $functionBody The code to run on domReady
- * @return string completed domReady method
- */
-	abstract public function domReady($functionBody);
-
-/**
- * Create an iteration over the current selection result.
- *
- * @param string $callback The function body you wish to apply during the iteration.
- * @return string completed iteration
- */
-	abstract public function each($callback);
-
-/**
- * Trigger an Effect.
- *
- * ### Supported Effects
- *
- * The following effects are supported by all core JsEngines
- *
- * - `show` - reveal an element.
- * - `hide` - hide an element.
- * - `fadeIn` - Fade in an element.
- * - `fadeOut` - Fade out an element.
- * - `slideIn` - Slide an element in.
- * - `slideOut` - Slide an element out.
- *
- * ### Options
- *
- * - `speed` - Speed at which the animation should occur. Accepted values are 'slow', 'fast'. Not all effects use
- *   the speed option.
- *
- * @param string $name The name of the effect to trigger.
- * @param array $options Array of options for the effect.
- * @return string completed string with effect.
- */
-	abstract public function effect($name, $options = array());
-
-/**
- * Make an XHR request
- *
- * ### Event Options
- *
- * - `complete` - Callback to fire on complete.
- * - `success` - Callback to fire on success.
- * - `before` - Callback to fire on request initialization.
- * - `error` - Callback to fire on request failure.
- *
- * ### Options
- *
- * - `method` - The method to make the request with defaults to GET in more libraries
- * - `async` - Whether or not you want an asynchronous request.
- * - `data` - Additional data to send.
- * - `update` - Dom id to update with the content of the request.
- * - `type` - Data type for response. 'json' and 'html' are supported. Default is html for most libraries.
- * - `evalScripts` - Whether or not <script> tags should be eval'ed.
- * - `dataExpression` - Should the `data` key be treated as a callback.  Useful for supplying `$options['data']` as
- *    another Javascript expression.
- *
- * @param mixed $url Array or String URL to target with the request.
- * @param array $options Array of options. See above for cross library supported options
- * @return string XHR request.
- */
-	abstract public function request($url, $options = array());
-
-/**
- * Create a draggable element.  Works on the currently selected element.
- * Additional options may be supported by the library implementation.
- *
- * ### Options
- *
- * - `handle` - selector to the handle element.
- * - `snapGrid` - The pixel grid that movement snaps to, an array(x, y)
- * - `container` - The element that acts as a bounding box for the draggable element.
- *
- * ### Event Options
- *
- * - `start` - Event fired when the drag starts
- * - `drag` - Event fired on every step of the drag
- * - `stop` - Event fired when dragging stops (mouse release)
- *
- * @param array $options Options array see above.
- * @return string Completed drag script
- */
-	abstract public function drag($options = array());
-
-/**
- * Create a droppable element. Allows for draggable elements to be dropped on it.
- * Additional options may be supported by the library implementation.
- *
- * ### Options
- *
- * - `accept` - Selector for elements this droppable will accept.
- * - `hoverclass` - Class to add to droppable when a draggable is over.
- *
- * ### Event Options
- *
- * - `drop` - Event fired when an element is dropped into the drop zone.
- * - `hover` - Event fired when a drag enters a drop zone.
- * - `leave` - Event fired when a drag is removed from a drop zone without being dropped.
- *
- * @return string Completed drop script
- */
-	abstract public function drop($options = array());
-
-/**
- * Create a sortable element.
- * Additional options may be supported by the library implementation.
- *
- * ### Options
- *
- * - `containment` - Container for move action
- * - `handle` - Selector to handle element. Only this element will start sort action.
- * - `revert` - Whether or not to use an effect to move sortable into final position.
- * - `opacity` - Opacity of the placeholder
- * - `distance` - Distance a sortable must be dragged before sorting starts.
- *
- * ### Event Options
- *
- * - `start` - Event fired when sorting starts
- * - `sort` - Event fired during sorting
- * - `complete` - Event fired when sorting completes.
- *
- * @param array $options Array of options for the sortable. See above.
- * @return string Completed sortable script.
- */
-	abstract public function sortable($options = array());
-
-/**
- * Create a slider UI widget.  Comprised of a track and knob.
- * Additional options may be supported by the library implementation.
- *
- * ### Options
- *
- * - `handle` - The id of the element used in sliding.
- * - `direction` - The direction of the slider either 'vertical' or 'horizontal'
- * - `min` - The min value for the slider.
- * - `max` - The max value for the slider.
- * - `step` - The number of steps or ticks the slider will have.
- * - `value` - The initial offset of the slider.
- *
- * ### Events
- *
- * - `change` - Fired when the slider's value is updated
- * - `complete` - Fired when the user stops sliding the handle
- *
- * @return string Completed slider script
- */
-	abstract public function slider($options = array());
-/**
- * Serialize the form attached to $selector.
- * Pass `true` for $isForm if the current selection is a form element.
- * Converts the form or the form element attached to the current selection into a string/json object
- * (depending on the library implementation) for use with XHR operations.
- *
- * ### Options
- *
- * - `isForm` - is the current selection a form, or an input? (defaults to false)
- * - `inline` - is the rendered statement going to be used inside another JS statement? (defaults to false)
- *
- * @param array $options options for serialization generation.
- * @return string completed form serialization script
- */
-	abstract public function serializeForm($options = array());
-
-/**
- * Parse an options assoc array into an Javascript object literal.
- * Similar to object() but treats any non-integer value as a string,
- * does not include `{ }`
- *
- * @param array $options Options to be converted
- * @param array $safeKeys Keys that should not be escaped.
- * @return string Parsed JSON options without enclosing { }.
- */
-	protected function _parseOptions($options, $safeKeys = array()) {
-		$out = array();
-		$safeKeys = array_flip($safeKeys);
-		foreach ($options as $key => $value) {
-			if (!is_int($value) && !isset($safeKeys[$key])) {
-				$value = $this->value($value);
-			}
-			$out[] = $key . ':' . $value;
-		}
-		sort($out);
-		return join(', ', $out);
-	}
-
-/**
- * Maps Abstract options to engine specific option names.
- * If attributes are missing from the map, they are not changed.
- *
- * @param string $method Name of method whose options are being worked with.
- * @param array $options Array of options to map.
- * @return array Array of mapped options.
- */
-	protected function _mapOptions($method, $options) {
-		if (!isset($this->_optionMap[$method])) {
-			return $options;
-		}
-		foreach ($this->_optionMap[$method] as $abstract => $concrete) {
-			if (isset($options[$abstract])) {
-				$options[$concrete] = $options[$abstract];
-				unset($options[$abstract]);
-			}
-		}
-		return $options;
-	}
-
-/**
- * Prepare callbacks and wrap them with function ([args]) { } as defined in
- * _callbackArgs array.
- *
- * @param string $method Name of the method you are preparing callbacks for.
- * @param array $options Array of options being parsed
- * @param string $callbacks Additional Keys that contain callbacks
- * @return array Array of options with callbacks added.
- */
-	protected function _prepareCallbacks($method, $options, $callbacks = array()) {
-		$wrapCallbacks = true;
-		if (isset($options['wrapCallbacks'])) {
-			$wrapCallbacks = $options['wrapCallbacks'];
-		}
-		unset($options['wrapCallbacks']);
-		if (!$wrapCallbacks) {
-			return $options;
-		}
-		$callbackOptions = array();
-		if (isset($this->_callbackArguments[$method])) {
-			$callbackOptions = $this->_callbackArguments[$method];
-		}
-		$callbacks = array_unique(array_merge(array_keys($callbackOptions), (array)$callbacks));
-
-		foreach ($callbacks as $callback) {
-			if (empty($options[$callback])) {
-				continue;
-			}
-			$args = null;
-			if (!empty($callbackOptions[$callback])) {
-				$args = $callbackOptions[$callback];
-			}
-			$options[$callback] = 'function (' . $args . ') {' . $options[$callback] . '}';
-		}
-		return $options;
-	}
-
-/**
- * Conveinence wrapper method for all common option processing steps.
- * Runs _mapOptions, _prepareCallbacks, and _parseOptions in order.
- *
- * @param string $method Name of method processing options for.
- * @param array $options Array of options to process.
- * @return string Parsed options string.
- */
-	protected function _processOptions($method, $options) {
-		$options = $this->_mapOptions($method, $options);
-		$options = $this->_prepareCallbacks($method, $options);
-		$options = $this->_parseOptions($options, array_keys($this->_callbackArguments[$method]));
-		return $options;
-	}
-
-/**
- * Convert an array of data into a query string
- *
- * @param array $parameters Array of parameters to convert to a query string
- * @return string Querystring fragment
- */
-	protected function _toQuerystring($parameters) {
-		$out = '';
-		$keys = array_keys($parameters);
-		$count = count($parameters);
-		for ($i = 0; $i < $count; $i++) {
-			$out .= $keys[$i] . '=' . $parameters[$keys[$i]];
-			if ($i < $count - 1) {
-				$out .= '&';
-			}
-		}
-		return $out;
-	}
-}
+}
\ No newline at end of file
diff --git a/lib/Cake/View/Helper/MootoolsEngineHelper.php b/lib/Cake/View/Helper/MootoolsEngineHelper.php
index d513527b1..0b31d392e 100644
--- a/lib/Cake/View/Helper/MootoolsEngineHelper.php
+++ b/lib/Cake/View/Helper/MootoolsEngineHelper.php
@@ -26,7 +26,7 @@
  * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
  */
 
-App::uses('JsHelper', 'Helper');
+App::uses('JsBaseEngineHelper', 'View/Helper');
 
 class MootoolsEngineHelper extends JsBaseEngineHelper {
 /**
diff --git a/lib/Cake/View/Helper/PrototypeEngineHelper.php b/lib/Cake/View/Helper/PrototypeEngineHelper.php
index 8781ba880..c3876572b 100644
--- a/lib/Cake/View/Helper/PrototypeEngineHelper.php
+++ b/lib/Cake/View/Helper/PrototypeEngineHelper.php
@@ -21,7 +21,7 @@
  * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
  */
 
-App::uses('JsHelper', 'Helper');
+App::uses('JsBaseEngineHelper', 'View/Helper');
 
 class PrototypeEngineHelper extends JsBaseEngineHelper {
 /**
diff --git a/lib/Cake/tests/cases/libs/view/helpers/js.test.php b/lib/Cake/tests/cases/libs/view/helpers/js.test.php
index 1b03d5648..3a848886b 100644
--- a/lib/Cake/tests/cases/libs/view/helpers/js.test.php
+++ b/lib/Cake/tests/cases/libs/view/helpers/js.test.php
@@ -21,6 +21,7 @@
  */
 App::uses('HtmlHelper', 'View/Helper');
 App::uses('JsHelper', 'View/Helper');
+App::uses('JsBaseEngineHelper', 'View/Helper');
 App::uses('FormHelper', 'View/Helper');
 App::uses('View', 'View');
 App::uses('ClassRegistry', 'Utility');
diff --git a/lib/Cake/tests/cases/libs/view/helpers/mootools_engine.test.php b/lib/Cake/tests/cases/libs/view/helpers/mootools_engine.test.php
index fa4253842..7d84300b1 100644
--- a/lib/Cake/tests/cases/libs/view/helpers/mootools_engine.test.php
+++ b/lib/Cake/tests/cases/libs/view/helpers/mootools_engine.test.php
@@ -23,7 +23,7 @@
 
 App::uses('HtmlHelper', 'View/Helper');
 App::uses('JsHelper', 'View/Helper');
-App::uses('MooToolsEngineHelper', 'View/Helper');
+App::uses('MootoolsEngineHelper', 'View/Helper');
 
 class MooEngineHelperTest extends CakeTestCase {
 /**