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Class PrototypeEngineHelper

Prototype Engine Helper for JsHelper

Provides Prototype specific JavaScript for JsHelper. Requires at least Prototype 1.6

AppHelper
Extended by JsBaseEngineHelper
Extended by PrototypeEngineHelper
Package: Cake\View\Helper
Copyright: Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
License: MIT License
Location: Cake/View/Helper/PrototypeEngineHelper.php

Properties summary

  • $_callbackArguments protected
    array
    Contains a list of callback names -> default arguments.
  • $_multiple protected
    boolean
    Is the current selection a multiple selection? or is it just a single element.
  • $_optionMap protected
    array
    Option mappings for Prototype

Inherited Properties

Method Summary

  • domReady() public
    Create a domReady event. This is a special event in many libraries
  • drag() public
    Create a Draggable element.
  • drop() public
    Create a Droppable element.
  • each() public
    Create an iteration over the current selection result.
  • effect() public
    Trigger an Effect.
  • event() public
    Add an event to the script cache. Operates on the currently selected elements.
  • get() public
    Create javascript selector for a CSS rule
  • request() public
    Create an Ajax or Ajax.Updater call.
  • Serialize the form attached to $selector.
  • slider() public
    Creates a slider control widget.
  • sortable() public
    Create a sortable element.

Method Detail

domReady()source public

domReady( string $functionBody )

Create a domReady event. This is a special event in many libraries

Parameters

string $functionBody
The code to run on domReady

Returns

string
completed domReady method

drag()source public

drag( array $options array() )

Create a Draggable element.

Note: Requires scriptaculous to be loaded.

Parameters

array $options optional array()
Array of options for the draggable.

Returns

string
Completed draggable script.

See

JsBaseEngineHelper::draggable() for options list.

drop()source public

drop( array $options array() )

Create a Droppable element.

Note: Requires scriptaculous to be loaded.

Parameters

array $options optional array()
Array of options for the droppable.

Returns

string
Completed droppable script.

See

JsBaseEngineHelper::droppable() for options list.

each()source public

each( string $callback )

Create an iteration over the current selection result.

Parameters

string $callback
The function body you wish to apply during the iteration.

Returns

string
completed iteration

effect()source public

effect( string $name , array $options array() )

Trigger an Effect.

Note: Effects require Scriptaculous to be loaded.

Parameters

string $name
The name of the effect to trigger.
array $options optional array()
Array of options for the effect.

Returns

string
completed string with effect.

See

JsBaseEngineHelper::effect()

event()source public

event( string $type , string $callback , array $options array() )

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)

Parameters

string $type
Type of event to bind to the current 946 id
string $callback
The JavaScript function you wish to trigger or the function literal
array $options optional array()
Options for the event.

Returns

string
completed event handler

get()source public

get( string $selector )

Create javascript selector for a CSS rule

Parameters

string $selector
The selector that is targeted

Returns

PrototypeEngineHelper

request()source public

request( string|array $url , array $options array() )

Create an Ajax or Ajax.Updater call.

Parameters

string|array $url
URL.
array $options optional array()
Options list.

Returns

string
The completed ajax call.

serializeForm()source public

serializeForm( array $options array() )

Serialize the form attached to $selector.

Parameters

array $options optional array()
Array of options.

Returns

string
Completed serializeForm() snippet

See

JsBaseEngineHelper::serializeForm()

slider()source public

slider( array $options array() )

Creates a slider control widget.

Note: Requires scriptaculous to be loaded.

Parameters

array $options optional array()
Array of options for the slider.

Returns

string
Completed slider script.

See

JsBaseEngineHelper::slider() for options list.

sortable()source public

sortable( array $options array() )

Create a sortable element.

Note: Requires scriptaculous to be loaded.

The scriptaculous implementation of sortables does not support the 'start' and 'distance' options.

Parameters

array $options optional array()
Array of options for the sortable.

Returns

string
Completed sortable script.

See

JsBaseEngineHelper::sortable() for options list.

Methods inherited from JsBaseEngineHelper

_mapOptions()source protected

_mapOptions( string $method , array $options )

Maps Abstract options to engine specific option names. If attributes are missing from the map, they are not changed.

Parameters

string $method
Name of method whose options are being worked with.
array $options
Array of options to map.

Returns

array
Array of mapped options.

_parseOptions()source protected

_parseOptions( array $options , array $safeKeys array() )

Parse an options assoc array into a JavaScript object literal. Similar to object() but treats any non-integer value as a string, does not include { }

Parameters

array $options
Options to be converted
array $safeKeys optional array()
Keys that should not be escaped.

Returns

string
Parsed JSON options without enclosing { }.

_prepareCallbacks()source protected

_prepareCallbacks( string $method , array $options , array $callbacks array() )

Prepare callbacks and wrap them with function ([args]) { } as defined in _callbackArgs array.

Parameters

string $method
Name of the method you are preparing callbacks for.
array $options
Array of options being parsed
array $callbacks optional array()
Additional Keys that contain callbacks

Returns

array
Array of options with callbacks added.

_processOptions()source protected

_processOptions( string $method , array $options )

Convenience wrapper method for all common option processing steps. Runs _mapOptions, _prepareCallbacks, and _parseOptions in order.

Parameters

string $method
Name of method processing options for.
array $options
Array of options to process.

Returns

string
Parsed options string.

_toQuerystring()source protected

_toQuerystring( array $parameters )

Convert an array of data into a query string

Parameters

array $parameters
Array of parameters to convert to a query string

Returns

string
Querystring fragment

_utf8ToHex()source protected

_utf8ToHex( string $string )

Encode a string into JSON. Converts and escapes necessary characters.

Parameters

string $string
The string that needs to be utf8->hex encoded

alert()source public

alert( string $message )

Create an alert() message in JavaScript

Parameters

string $message
Message you want to alter.

Returns

string
completed alert()

confirm()source public

confirm( string $message )

Create a confirm() message

Parameters

string $message
Message you want confirmed.

Returns

string
completed confirm()

confirmReturn()source public

confirmReturn( string $message )

Generate a confirm snippet that returns false from the current function scope.

Parameters

string $message
Message to use in the confirm dialog.

Returns

string
completed confirm with return script

escape()source public

escape( string $string )

Escape a string to be JSON friendly.

List of escaped elements:

  • "\r" => '\n'
  • "\n" => '\n'
  • '"' => '\"'

Parameters

string $string
String that needs to get escaped.

Returns

string
Escaped string.

object()source public

object( array $data array() , array $options array() )

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.

Parameters

array $data optional array()
Data to be converted.
array $options optional array()
Set of options, see above.

Returns

string
A JSON code block

prompt()source public

prompt( string $message , string $default '' )

Create a prompt() JavaScript function

Parameters

string $message
Message you want to prompt.
string $default optional ''
Default message

Returns

string
completed prompt()

redirect()source public

redirect( string|array $url null )

Redirects to a URL. Creates a window.location modification snippet that can be used to trigger 'redirects' from JavaScript.

Parameters

string|array $url optional null
URL

Returns

string
completed redirect in javascript

value()source public

value( mixed $val array() , boolean $quoteString null , string $key 'value' )

Converts a PHP-native variable of any type to a JSON-equivalent representation

Parameters

mixed $val optional array()
A PHP variable to be converted to JSON
boolean $quoteString optional null
If false, leaves string values unquoted
string $key optional 'value'
Key name.

Returns

string
a JavaScript-safe/JSON representation of $val

Properties detail

$_callbackArgumentssource

protected array

Contains a list of callback names -> default arguments.

array(
    'slider' => array(
        'onSlide' => 'value',
        'onChange' => 'value',
    ),
    'drag' => array(
        'onStart' => 'event',
        'onDrag' => 'event',
        'change' => 'draggable',
        'onEnd' => 'event',
    ),
    'drop' => array(
        'onHover' => 'draggable, droppable, event',
        'onDrop' => 'draggable, droppable, event',
    ),
    'request' => array(
        'onCreate' => 'transport',
        'onComplete' => 'transport',
        'onFailure' => 'response, jsonHeader',
        'onRequest' => 'transport',
        'onSuccess' => 'response, jsonHeader'
    ),
    'sortable' => array(
        'onStart' => 'element',
        'onChange' => 'element',
        'onUpdate' => 'element',
    ),
)

$_multiplesource

protected boolean

Is the current selection a multiple selection? or is it just a single element.

false

$_optionMapsource

protected array

Option mappings for Prototype

array(
    'request' => array(
        'async' => 'asynchronous',
        'data' => 'parameters',
        'before' => 'onCreate',
        'success' => 'onSuccess',
        'complete' => 'onComplete',
        'error' => 'onFailure'
    ),
    'sortable' => array(
        'sort' => 'onChange',
        'complete' => 'onUpdate',
    ),
    'drag' => array(
        'snapGrid' => 'snap',
        'container' => 'constraint',
        'stop' => 'onEnd',
        'start' => 'onStart',
        'drag' => 'onDrag',
    ),
    'drop' => array(
        'hover' => 'onHover',
        'drop' => 'onDrop',
        'hoverClass' => 'hoverclass',
    ),
    'slider' => array(
        'direction' => 'axis',
        'change' => 'onSlide',
        'complete' => 'onChange',
        'value' => 'sliderValue',
    )
)

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https://api.cakephp.org/2.10/class-PrototypeEngineHelper.html