Class JsBaseEngineHelper
JsEngineBaseClass
Abstract Base Class for All JsEngines to extend. Provides generic methods.
Direct known subclasses
JqueryEngineHelper, MootoolsEngineHelper, PrototypeEngineHelperPackage: Cake\View\Helper
Copyright: Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
License: MIT License
Located at Cake/View/Helper/JsBaseEngineHelper.php
Method Detail
_mapOptionssource 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
arrayArray of mapped options.
_parseOptionssource 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
$safeKeysoptional array() - Keys that should not be escaped.
Returns
stringParsed JSON options without enclosing { }.
_prepareCallbackssource 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
$callbacksoptional array() - Additional Keys that contain callbacks
Returns
arrayArray of options with callbacks added.
_processOptionssource 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
stringParsed options string.
_toQuerystringsource 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
stringQuerystring fragment
_utf8ToHexsource 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
alertsource public
alert( string $message )
Create an alert() message in JavaScript
Parameters
- string
$message - Message you want to alter.
Returns
stringcompleted alert()
confirmsource public
confirm( string $message )
Create a confirm() message
Parameters
- string
$message - Message you want confirmed.
Returns
stringcompleted confirm()
confirmReturnsource 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
stringcompleted confirm with return script
domReadysource abstract 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
stringcompleted domReady method
dragsource abstract public
drag( array $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)
Parameters
- array
$optionsoptional array() - Options array see above.
Returns
stringCompleted drag script
dropsource abstract public
drop( array $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.
Parameters
- array
$optionsoptional array() - Array of options for the drop. See above.
Returns
stringCompleted drop script
eachsource abstract 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
stringcompleted iteration
effectsource abstract public
effect( string $name , array $options array() )
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.
Parameters
- string
$name - The name of the effect to trigger.
- array
$optionsoptional array() - Array of options for the effect.
Returns
stringcompleted string with effect.
escapesource 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
stringEscaped string.
eventsource abstract 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 to true) -
stop- Whether you want the event to stopped. (defaults to true)
Parameters
- string
$type - Type of event to bind to the current dom id
- string
$callback - The JavaScript function you wish to trigger or the function literal
- array
$optionsoptional array() - Options for the event.
Returns
stringcompleted event handler
getsource abstract public
get( string $selector )
Create javascript selector for a CSS rule
Parameters
- string
$selector - The selector that is targeted
Returns
selfinstance of $this. Allows chained methods.
objectsource 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
$dataoptional array() - Data to be converted.
- array
$optionsoptional array() - Set of options, see above.
Returns
stringA JSON code block
promptsource public
prompt( string $message , string $default '' )
Create a prompt() JavaScript function
Parameters
- string
$message - Message you want to prompt.
- string
$defaultoptional '' - Default message
Returns
stringcompleted prompt()
redirectsource 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
$urloptional null - URL
Returns
stringcompleted redirect in javascript
requestsource abstract public
request( string|array $url , array $options array() )
Make an XHR request
Event Options
-
complete- Callback to fire on complete. -
success- Callback to fire on success. -
before- Callback to fire on request initialization. -
error- Callback to fire on request failure.
Options
-
method- The method to make the request with defaults to GET in more libraries -
async- Whether or not you want an asynchronous request. -
data- Additional data to send. -
update- Dom id to update with the content of the request. -
type- Data type for response. 'json' and 'html' are supported. Default is html for most libraries. -
evalScripts- Whether or not <script> tags should be eval'ed. -
dataExpression- Should thedatakey be treated as a callback. Useful for supplying$options['data']as another JavaScript expression.
Parameters
- string|array
$url - Array or String URL to target with the request.
- array
$optionsoptional array() - Array of options. See above for cross library supported options
Returns
stringXHR request.
serializeFormsource abstract public
serializeForm( array $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)
Parameters
- array
$optionsoptional array() - options for serialization generation.
Returns
stringcompleted form serialization script
slidersource abstract public
slider( array $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
Parameters
- array
$optionsoptional array() - Array of options for the slider. See above.
Returns
stringCompleted slider script
sortablesource abstract public
sortable( array $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.
Parameters
- array
$optionsoptional array() - Array of options for the sortable. See above.
Returns
stringCompleted sortable script.
valuesource 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
$valoptional array() - A PHP variable to be converted to JSON
- boolean
$quoteStringoptional null - If false, leaves string values unquoted
- string
$keyoptional 'value' - Key name.
Returns
stringa JavaScript-safe/JSON representation of $val
Overrides
Helper::value() Methods inherited from Helper
__callsource public
__call( string $method , array $params )
Provide non fatal errors on missing method calls.
Parameters
- string
$method - Method to invoke
- array
$params - Array of params for the method.
__constructsource public
__construct( View $View , array $settings array() )
Default Constructor
Parameters
-
View$View - The View this helper is being attached to.
- array
$settingsoptional array() - Configuration settings for the helper.
Overrides
Object::__construct() __getsource public
__get( string $name )
Lazy loads helpers. Provides access to deprecated request properties as well.
Deprecated
3.0.0 Accessing request properties through this method is deprecated and will be removed in 3.0.Parameters
- string
$name - Name of the property being accessed.
Returns
mixedHelper or property found at $name
__setsource public
__set( string $name , mixed $value )
Provides backwards compatibility access for setting values to the request object.
Deprecated
3.0.0 This method will be removed in 3.0Parameters
- string
$name - Name of the property being accessed.
- mixed
$value - Value to set.
_confirmsource protected
_confirm( string $message , string $okCode , string $cancelCode '' , array $options array() )
Returns a string to be used as onclick handler for confirm dialogs.
Parameters
- string
$message - Message to be displayed
- string
$okCode - Code to be executed after user chose 'OK'
- string
$cancelCodeoptional '' - Code to be executed after user chose 'Cancel'
- array
$optionsoptional array() - Array of options
Returns
stringonclick JS code
_encodeUrlsource protected
_encodeUrl( string $url )
Encodes a URL for use in HTML attributes.
Parameters
- string
$url - The URL to encode.
Returns
stringThe URL encoded for both URL & HTML contexts.
_formatAttributesource protected
_formatAttribute( string $key , string $value , boolean $escape true )
Formats an individual attribute, and returns the string value of the composed attribute. Works with minimized attributes that have the same value as their name such as 'disabled' and 'checked'
Deprecated
3.0.0 This method will be moved to HtmlHelper in 3.0Parameters
- string
$key - The name of the attribute to create
- string
$value - The value of the attribute to create.
- boolean
$escapeoptional true - Define if the value must be escaped
Returns
stringThe composed attribute.
_initInputFieldsource protected
_initInputField( string $field , array $options array() )
Sets the defaults for an input tag. Will set the name, value, and id attributes for an array of html attributes.
Parameters
- string
$field - The field name to initialize.
- array
$optionsoptional array() - Array of options to use while initializing an input field.
Returns
arrayArray options for the form input.
_namesource protected
_name( array|string $options array() , string $field null , string $key 'name' )
Gets the input field name for the current tag. Creates input name attributes using CakePHP's data[Model][field] formatting.
Parameters
- array|string
$optionsoptional array() - If an array, should be an array of attributes that $key needs to be added to. If a string or null, will be used as the View entity.
- string
$fieldoptional null - Field name.
- string
$keyoptional 'name' - The name of the attribute to be set, defaults to 'name'
Returns
mixedIf an array was given for $options, an array with $key set will be returned. If a string was supplied a string will be returned.
_parseAttributessource protected
_parseAttributes( array $options , array $exclude null , string $insertBefore ' ' , string $insertAfter null )
Returns a space-delimited string with items of the $options array. If a key of $options array happens to be one of those listed in Helper::$_minimizedAttributes
And its value is one of:
- '1' (string)
- 1 (integer)
- true (boolean)
- 'true' (string)
Then the value will be reset to be identical with key's name. If the value is not one of these 3, the parameter is not output.
'escape' is a special option in that it controls the conversion of attributes to their html-entity encoded equivalents. Set to false to disable html-encoding.
If value for any option key is set to null or false, that option will be excluded from output.
Deprecated
3.0.0 This method will be moved to HtmlHelper in 3.0Parameters
- array
$options - Array of options.
- array
$excludeoptional null - Array of options to be excluded, the options here will not be part of the return.
- string
$insertBeforeoptional ' ' - String to be inserted before options.
- string
$insertAfteroptional null - String to be inserted after options.
Returns
stringComposed attributes.
_selectedArraysource protected
_selectedArray( string|array $data , string $key 'id' )
Transforms a recordset from a hasAndBelongsToMany association to a list of selected options for a multiple select element
Parameters
- string|array
$data - Data array or model name.
- string
$keyoptional 'id' - Field name.
Returns
arrayarray
addClasssource public
addClass( array $options array() , string $class null , string $key 'class' )
Adds the given class to the element options
Parameters
- array
$optionsoptional array() - Array options/attributes to add a class to
- string
$classoptional null - The class name being added.
- string
$keyoptional 'class' - the key to use for class.
Returns
arrayArray of options with $key set.
afterLayoutsource public
afterLayout( string $layoutFile )
After layout callback. afterLayout is called after the layout has rendered.
Overridden in subclasses.
Parameters
- string
$layoutFile - The layout file that was rendered.
afterRendersource public
afterRender( string $viewFile )
After render callback. afterRender is called after the view file is rendered but before the layout has been rendered.
Overridden in subclasses.
Parameters
- string
$viewFile - The view file that was rendered.
afterRenderFilesource public
afterRenderFile( string $viewFile , string $content )
After render file callback. Called after any view fragment is rendered.
Overridden in subclasses.
Parameters
- string
$viewFile - The file just be rendered.
- string
$content - The content that was rendered.
assetTimestampsource public
assetTimestamp( string $path )
Adds a timestamp to a file based resource based on the value of Asset.timestamp in Configure. If Asset.timestamp is true and debug > 0, or Asset.timestamp === 'force' a timestamp will be added.
Parameters
- string
$path - The file path to timestamp, the path must be inside WWW_ROOT
Returns
stringPath with a timestamp added, or not.
assetUrlsource public
assetUrl( string|array $path , array $options array() )
Generate URL for given asset file. Depending on options passed provides full URL with domain name. Also calls Helper::assetTimestamp() to add timestamp to local files
Parameters
- string|array
$path - Path string or URL array
- array
$optionsoptional array() - Options array. Possible keys:
fullBaseReturn full URL with domain namepathPrefixPath prefix for relative URLsextAsset extension to appendpluginFalse value will prevent parsing path as a plugin
Returns
stringGenerated URL
beforeLayoutsource public
beforeLayout( string $layoutFile )
Before layout callback. beforeLayout is called before the layout is rendered.
Overridden in subclasses.
Parameters
- string
$layoutFile - The layout about to be rendered.
beforeRendersource public
beforeRender( string $viewFile )
Before render callback. beforeRender is called before the view file is rendered.
Overridden in subclasses.
Parameters
- string
$viewFile - The view file that is going to be rendered
beforeRenderFilesource public
beforeRenderFile( string $viewFile )
Before render file callback. Called before any view fragment is rendered.
Overridden in subclasses.
Parameters
- string
$viewFile - The file about to be rendered.
cleansource public
clean( string|array $output )
Used to remove harmful tags from content. Removes a number of well known XSS attacks from content. However, is not guaranteed to remove all possibilities. Escaping content is the best way to prevent all possible attacks.
Deprecated
3.0.0 This method will be removed in 3.0Parameters
- string|array
$output - Either an array of strings to clean or a single string to clean.
Returns
string|array|nullCleaned content for output
domIdsource public
domId( array|string $options null , string $id 'id' )
Generates a DOM ID for the selected element, if one is not set. Uses the current View::entity() settings to generate a CamelCased id attribute.
Parameters
- array|string
$optionsoptional null - Either an array of html attributes to add $id into, or a string with a view entity path to get a domId for.
- string
$idoptional 'id' - The name of the 'id' attribute.
Returns
mixedIf $options was an array, an array will be returned with $id set. If a string was supplied, a string will be returned.
entitysource public
entity( )
Returns the entity reference of the current context as an array of identity parts
Returns
arrayAn array containing the identity elements of an entity
fieldsource public
field( )
Gets the currently-used model field of the rendering context. Strips off field suffixes such as year, month, day, hour, min, meridian when the current entity is longer than 2 elements.
Returns
stringstring
modelsource public
model( )
Gets the currently-used model of the rendering context.
Returns
stringstring
outputsource public
output( string $str )
Returns a string generated by a helper method
This method can be overridden in subclasses to do generalized output post-processing
Deprecated
3.0.0 This method will be removed in future versions.Parameters
- string
$str - String to be output.
Returns
stringstring
setEntitysource public
setEntity( string $entity , boolean $setScope false )
Sets this helper's model and field properties to the dot-separated value-pair in $entity.
Parameters
- string
$entity - A field name, like "ModelName.fieldName" or "ModelName.ID.fieldName"
- boolean
$setScopeoptional false - Sets the view scope to the model specified in $tagValue
urlsource public
url( string|array $url null , boolean $full false )
Finds URL for specified action.
Returns a URL pointing at the provided parameters.
Parameters
- string|array
$urloptional null - Either a relative string url like
/products/view/23or an array of URL parameters. Using an array for URLs will allow you to leverage the reverse routing features of CakePHP. - boolean
$fulloptional false - If true, the full base URL will be prepended to the result
Returns
stringFull translated URL with base path.
Link
http://book.cakephp.org/2.0/en/views/helpers.htmlwebrootsource public
webroot( string $file )
Checks if a file exists when theme is used, if no file is found default location is returned
Parameters
- string
$file - The file to create a webroot path to.
Returns
stringWeb accessible path to file.
Methods inherited from Object
_mergeVarssource protected
_mergeVars( array $properties , string $class , boolean $normalize true )
Merges this objects $property with the property in $class' definition. This classes value for the property will be merged on top of $class'
This provides some of the DRY magic CakePHP provides. If you want to shut it off, redefine this method as an empty function.
Parameters
- array
$properties - The name of the properties to merge.
- string
$class - The class to merge the property with.
- boolean
$normalizeoptional true - Set to true to run the properties through Hash::normalize() before merging.
_setsource protected
_set( array $properties array() )
Allows setting of multiple properties of the object in a single line of code. Will only set properties that are part of a class declaration.
Parameters
- array
$propertiesoptional array() - An associative array containing properties and corresponding values.
_stopsource protected
_stop( integer|string $status 0 )
Stop execution of the current script. Wraps exit() making testing easier.
Parameters
- integer|string
$statusoptional 0 - see http://php.net/exit for values
dispatchMethodsource public
dispatchMethod( string $method , array $params array() )
Calls a method on this object with the given parameters. Provides an OO wrapper for call_user_func_array
Parameters
- string
$method - Name of the method to call
- array
$paramsoptional array() - Parameter list to use when calling $method
Returns
mixedReturns the result of the method call
logsource public
log( string $msg , integer $type LOG_ERR , null|string|array $scope null )
Convenience method to write a message to CakeLog. See CakeLog::write() for more information on writing to logs.
Parameters
- string
$msg - Log message
- integer
$typeoptional LOG_ERR - Error type constant. Defined in app/Config/core.php.
- null|string|array
$scopeoptional null - The scope(s) a log message is being created in. See CakeLog::config() for more information on logging scopes.
Returns
booleanSuccess of log write
requestActionsource public
requestAction( string|array $url , array $extra array() )
Calls a controller's method from any location. Can be used to connect controllers together or tie plugins into a main application. requestAction can be used to return rendered views or fetch the return value from controller actions.
Under the hood this method uses Router::reverse() to convert the $url parameter into a string URL. You should use URL formats that are compatible with Router::reverse()
Passing POST and GET data
POST and GET data can be simulated in requestAction. Use $extra['url'] for GET data. The $extra['data'] parameter allows POST data simulation.
Parameters
- string|array
$url - String or array-based URL. Unlike other URL arrays in CakePHP, this URL will not automatically handle passed and named arguments in the $url parameter.
- array
$extraoptional array() - if array includes the key "return" it sets the AutoRender to true. Can also be used to submit GET/POST data, and named/passed arguments.
Returns
mixedBoolean true or false on success/failure, or contents of rendered action if 'return' is set in $extra.
toStringsource public
toString( )
Object-to-string conversion. Each class can override this method as necessary.
Returns
stringThe name of this class
Properties summary
Properties inherited from Helper
$_associationsource
protected string
The name of the current model association entities are in scope of.
See
Helper::setEntity()$_entityPathsource
protected string
The dot separated list of elements the current field entity is for.
See
Helper::setEntity()$_fieldSuffixessource
protected array
A list of strings that should be treated as suffixes, or sub inputs for a parent input. This is used for date/time inputs primarily.
array( 'year', 'month', 'day', 'hour', 'min', 'second', 'meridian' )
$_minimizedAttributessource
protected array
Minimized attributes
array( 'allowfullscreen', 'async', 'autofocus', 'autoplay', 'checked', 'compact', 'controls', 'declare', 'default', 'defaultchecked', 'defaultmuted', 'defaultselected', 'defer', 'disabled', 'enabled', 'formnovalidate', 'hidden', 'indeterminate', 'inert', 'ismap', 'itemscope', 'loop', 'multiple', 'muted', 'nohref', 'noresize', 'noshade', 'novalidate', 'nowrap', 'open', 'pauseonexit', 'readonly', 'required', 'reversed', 'scoped', 'seamless', 'selected', 'sortable', 'spellcheck', 'truespeed', 'typemustmatch', 'visible' )
$_modelScopesource
protected string
The name of the current model entities are in scope of.
See
Helper::setEntity()$fieldsetsource
public array
Holds the fields array('field_name' => array('type' => 'string', 'length' => 100), primaryKey and validates array('field_name')
array()
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Licensed under the MIT License.
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http://api.cakephp.org/2.7/class-JsBaseEngineHelper.html