Documentation

WidgetBase extends Extendable
in package

october

backend

Uses ViewMaker, AssetMaker, ConfigMaker, EventEmitter, ErrorMaker, WidgetMaker, SessionMaker

Widget base class.

$alias


    public
        string
    $alias

Defined alias used for this widget.

$assetPath


    public
        string
    $assetPath

Specifies a path to the asset directory.

$config


    public
        object
    $config

Supplied configuration.

$implement


    public
        array<string|int, mixed>
    $implement

Extensions implemented by this class.

$layout


    public
        string
    $layout

Layout to use for the view.

$suppressLayout


    public
        bool
    $suppressLayout
     = false

Prevents the use of a layout.

$vars


    public
        array<string|int, mixed>
    $vars
     = []

A list of variables to pass to the page.

$assets


    protected
        array<string|int, mixed>
    $assets
     = ['js' => [], 'css' => [], 'rss' => []]

Collection of assets to display in the layout.

$configPath


    protected
        string
    $configPath

Specifies a path to the config directory.

$controller


    protected
        Controller
    $controller

Backend controller object.

$defaultAlias


    protected
        string
    $defaultAlias
     = 'widget'

A unique alias to identify this widget.

$extendableCallbacks


    protected
    static    array<string|int, mixed>
    $extendableCallbacks
     = []

Used to extend the constructor of an extendable class. Eg:

Class::extend(function($obj) { })

$extendableGuardProperties


    protected
    static    bool
    $extendableGuardProperties
     = true

Indicates if dynamic properties can be created.

$extendableStaticMethods


    protected
    static    array<string|int, mixed>
    $extendableStaticMethods
     = []

Collection of static methods used by behaviors.

$extensionData


    protected
        array<string|int, mixed>
    $extensionData
     = ['extensions' => [], 'methods' => [], 'dynamicMethods' => [], 'dynamicProperties' => []]

Class reflection information, including behaviors.

$fatalError


    protected
        string
    $fatalError

Object used for storing a fatal error.

$layoutPath


    protected
        string
    $layoutPath

Specifies a path to the layout directory.

$viewPath


    protected
        string|array<string|int, mixed>
    $viewPath

Specifies a path to the views directory.

__call()


    public
                __call(mixed $name, mixed $params) : mixed

Parameters

$name : mixed
$params : mixed

Return values

mixed —

__callStatic()


    public
            static    __callStatic(mixed $name, mixed $params) : mixed

Parameters

$name : mixed
$params : mixed

Return values

mixed —

__construct()

Constructor


    public
                __construct(Controller $controller[, array<string|int, mixed> $configuration = [] ]) : mixed

Parameters

$controller : Controller
$configuration : array<string|int, mixed> = []: Proactive configuration definition.

Return values

mixed —

__get()


    public
                __get(mixed $name) : mixed

Parameters

$name : mixed

Return values

mixed —

__set()


    public
                __set(mixed $name, mixed $value) : mixed

Parameters

$name : mixed
$value : mixed

Return values

mixed —

addCss()

Adds StyleSheet asset to the asset list. Call $this->makeAssets() in a view to output corresponding markup.


    public
                addCss(string $name[, array<string|int, mixed> $attributes = [] ]) : void

Parameters

$name : string: Specifies a path (URL) to the script.
$attributes : array<string|int, mixed> = []: Adds extra HTML attributes to the asset link.

Return values

void —

addDynamicMethod()

Programmatically adds a method to the extendable class


    public
                addDynamicMethod(string $dynamicName, callable $method[, string $extension = null ]) : mixed

Parameters

$dynamicName : string
$method : callable
$extension : string = null

Return values

mixed —

addDynamicProperty()

Programmatically adds a property to the extendable class


    public
                addDynamicProperty(string $dynamicName[, string $value = null ]) : mixed

Parameters

$dynamicName : string
$value : string = null

Return values

mixed —

addJs()

Adds JavaScript asset to the asset list. Call $this->makeAssets() in a view to output corresponding markup.


    public
                addJs(string $name[, array<string|int, mixed> $attributes = [] ]) : void

Parameters

$name : string: Specifies a path (URL) to the script.
$attributes : array<string|int, mixed> = []: Adds extra HTML attributes to the asset link.

Return values

void —

addRss()

Adds an RSS link asset to the asset list. Call $this->makeAssets() in a view to output corresponding markup.


    public
                addRss(string $name[, array<string|int, mixed> $attributes = [] ]) : void

Parameters

$name : string: Specifies a path (URL) to the RSS channel
$attributes : array<string|int, mixed> = []: Adds extra HTML attributes to the asset link.

Return values

void —

addViewPath()

Prepends a path on the available view path locations.


    public
                addViewPath(string|array<string|int, mixed> $path) : void

Parameters

$path : string|array<string|int, mixed>

Return values

void —

asExtension()

Short hand for `getClassExtension()` method, except takes the short extension name, example:


    public
                asExtension(string $shortName) : mixed

$this->asExtension('FormController')

Parameters

$shortName : string

Return values

mixed —

bindToController()

Binds a widget to the controller for safe use.


    public
                bindToController() : void

Return values

void —

clearExtendedClasses()

Clear the list of extended classes so they will be re-extended.


    public
            static    clearExtendedClasses() : void

Return values

void —

combineAssets()

Run the provided assets through the Asset Combiner


    public
                combineAssets(array<string|int, mixed> $assets[, string $localPath = '' ]) : string

Parameters

$assets : array<string|int, mixed>: Collection of assets
$localPath : string = '': Prefix all assets with this path (optional)

Return values

string —

extend()


    public
            static    extend(callable $callback) : mixed

Parameters

$callback : callable

Return values

mixed —

extendableCall()

Magic method for `__call()`


    public
                extendableCall(string $name[, array<string|int, mixed> $params = null ]) : mixed

Parameters

$name : string
$params : array<string|int, mixed> = null

Return values

mixed —

extendableCallStatic()

Magic method for `__callStatic()`


    public
            static    extendableCallStatic(string $name[, array<string|int, mixed> $params = null ]) : mixed

Parameters

$name : string
$params : array<string|int, mixed> = null

Return values

mixed —

extendableConstruct()

This method should be called as part of the constructor.


    public
                extendableConstruct() : mixed

Return values

mixed —

extendableExtendCallback()

Helper method for `::extend()` static method


    public
            static    extendableExtendCallback(callable $callback) : void

Parameters

$callback : callable

Return values

void —

extendableGet()

Magic method for `__get()`


    public
                extendableGet(string $name) : string

Parameters

$name : string

Return values

string —

extendableSet()

Magic method for `__set()`


    public
                extendableSet(string $name, string $value) : string

Parameters

$name : string
$value : string

Return values

string —

extendClassWith()

Dynamically extend a class with a specified behavior


    public
                extendClassWith(string $extensionName) : void

Parameters

$extensionName : string

Return values

void —

fireSystemEvent()

Fires a combination of local and global events. The first segment is removed from the event name locally and the local object is passed as the first argument to the event globally. Halting is also enabled by default.


    public
                fireSystemEvent(string $event[, array<string|int, mixed> $params = [] ][, bool $halt = true ]) : mixed

For example:

$this->fireSystemEvent('backend.list.myEvent', ['my value']);

Is equivalent to:

$this->fireEvent('list.myEvent', ['myvalue'], true);

Event::fire('backend.list.myEvent', [$this, 'myvalue'], true);

Parameters

$event : string: Event name
$params : array<string|int, mixed> = []: Event parameters
$halt : bool = true: Halt after first non-null result

Return values

mixed —

fireViewEvent()

Special event function used for extending within view files, allowing HTML to be injected multiple times.


    public
                fireViewEvent(string $event[, array<string|int, mixed> $params = [] ]) : string

For example:

fireViewEvent('backend.auth.extendSigninView') ?>

Parameters

$event : string: Event name
$params : array<string|int, mixed> = []: Event parameters

Return values

string —

flushAssets()

Disables the use, and subequent broadcast, of assets. This is useful to call during an AJAX request to speed things up. This method works by specifically targeting the hasAssetsDefined method.


    public
                flushAssets() : void

Return values

void —

getAssetPath()

Locates a file based on it's definition. If the file starts with a forward slash, it will be returned in context of the application public path, otherwise it will be returned in context of the asset path.


    public
                getAssetPath(string $fileName[, string $assetPath = null ]) : string

Parameters

$fileName : string: File to load.
$assetPath : string = null: Explicitly define an asset path.

Return values

string —

Relative path to the asset file.

getAssetPaths()

Returns an array of all registered asset paths.


    public
                getAssetPaths() : array<string|int, mixed>

Return values

array<string|int, mixed> —

getClassExtension()

Returns a behavior object from an extendable class, example:


    public
                getClassExtension(string $name) : mixed

$this->getClassExtension('Backend.Behaviors.FormController')

Parameters

$name : string: Fully qualified behavior name

Return values

mixed —

getClassMethods()

Get a list of class methods, extension equivalent of get_class_methods()


    public
                getClassMethods() : array<string|int, mixed>

Return values

array<string|int, mixed> —

getConfig()

Safe accessor for configuration values.


    public
                getConfig(string $name[, string $default = null ]) : string

Parameters

$name : string: Config name, supports array names like "field[key]"
$default : string = null: Default value if nothing is found

Return values

string —

getConfigPath()

Locates a file based on it's definition. If the file starts with the ~ symbol it will be returned in context of the application base path, otherwise it will be returned in context of the config path.


    public
                getConfigPath(string $fileName[, mixed $configPath = null ]) : string

Parameters

$fileName : string: File to load.
$configPath : mixed = null: Explicitly define a config path.

Return values

string —

Full path to the config file.

getController()

Returns the controller using this widget.


    public
                getController() : mixed

Return values

mixed —

getDynamicProperties()

Returns all dynamic properties and their values


    public
                getDynamicProperties() : array<string|int, mixed>

Return values

array<string|int, mixed> —

['property' => 'value']

getEventHandler()

Returns a fully qualified event handler name for this widget.


    public
                getEventHandler(string $name) : string

Parameters

$name : string: The ajax event handler name.

Return values

string —

getFatalError()


    public
                getFatalError() : string

Return values

string —

The fatal error message

getId()

Returns a unique ID for this widget. Useful in creating HTML markup.


    public
                getId([string $suffix = null ]) : string

Parameters

$suffix : string = null: An extra string to append to the ID.

Return values

string —

A unique identifier.

getViewPath()

Locates a file based on its definition. The file name can be prefixed with a symbol (~|$) to return in context of the application or plugin base path, otherwise it will be returned in context of this object view path.


    public
                getViewPath(string $fileName[, mixed $viewPath = null ]) : string

Parameters

$fileName : string: File to load.
$viewPath : mixed = null: Explicitly define a view path.

Return values

string —

Full path to the view file.

getViewPaths()

Returns the active view path locations.


    public
                getViewPaths() : array<string|int, mixed>

Return values

array<string|int, mixed> —

guessConfigPath()

Guess the package path for the called class.


    public
                guessConfigPath([string $suffix = '' ]) : string

Parameters

$suffix : string = '': An extra path to attach to the end

Return values

string —

guessConfigPathFrom()

Guess the package path from a specified class.


    public
                guessConfigPathFrom(string $class[, string $suffix = '' ]) : string

Parameters

$class : string: Class to guess path from.
$suffix : string = '': An extra path to attach to the end

Return values

string —

guessViewPath()

Guess the package path for the called class.


    public
                guessViewPath([string $suffix = '' ][, bool $isPublic = false ]) : string

Parameters

$suffix : string = '': An extra path to attach to the end
$isPublic : bool = false: Returns public path instead of an absolute one

Return values

string —

guessViewPathFrom()

Guess the package path from a specified class.


    public
                guessViewPathFrom(string $class[, string $suffix = '' ][, bool $isPublic = false ]) : string

Parameters

$class : string: Class to guess path from.
$suffix : string = '': An extra path to attach to the end
$isPublic : bool = false: Returns public path instead of an absolute one

Return values

string —

handleError()

Sets standard page variables in the case of a controller error.


    public
                handleError(mixed $exception) : mixed

Parameters

$exception : mixed

Return values

mixed —

hasAssetsDefined()

Returns true if assets any have been added.


    public
                hasAssetsDefined() : bool

Return values

bool —

hasFatalError()


    public
                hasFatalError() : bool

Return values

bool —

Whether a fatal error has been set or not.

init()

Initialize the widget, called by the constructor and free from its parameters.


    public
                init() : void

Return values

void —

isClassExtendedWith()

Check if extendable class is extended with a behavior object


    public
                isClassExtendedWith(string $name) : bool

Parameters

$name : string: Fully qualified behavior name

Return values

bool —

makeAssets()

Outputs `<link>` and `<script>` tags to load assets previously added with addJs and addCss method calls


    public
                makeAssets([string $type = null ]) : string

Parameters

$type : string = null: Return an asset collection of a given type (css, rss, js) or null for all.

Return values

string —

makeConfig()

Reads the contents of the supplied file and applies it to this object.


    public
                makeConfig([array<string|int, mixed> $configFile = [] ][, array<string|int, mixed> $requiredConfig = [] ]) : array<string|int, mixed>|stdClass

Parameters

$configFile : array<string|int, mixed> = []
$requiredConfig : array<string|int, mixed> = []

Return values

array<string|int, mixed>|stdClass —

makeConfigFromArray()

Makes a config object from an array, making the first level keys properties of a new object.


    public
                makeConfigFromArray([array<string|int, mixed> $configArray = [] ]) : stdClass

Parameters

$configArray : array<string|int, mixed> = []: Config array.

Return values

stdClass —

The config object

makeFileContents()

Includes a file path using output buffering.


    public
                makeFileContents(string $filePath[, array<string|int, mixed> $extraParams = [] ]) : string

Ensures that vars are available.

Parameters

$filePath : string: Absolute path to the view file.
$extraParams : array<string|int, mixed> = []: Parameters that should be available to the view.

Return values

string —

makeFormWidget()

Makes a form widget object with the supplied form field and widget configuration.


    public
                makeFormWidget(string $class[, mixed $fieldConfig = [] ][, array<string|int, mixed> $widgetConfig = [] ]) : FormWidgetBase

Parameters

$class : string: Widget class name
$fieldConfig : mixed = []: A field name, an array of config or a FormField object.
$widgetConfig : array<string|int, mixed> = []: An array of config.

Return values

FormWidgetBase —

The widget object

makeLayout()

Render a layout.


    public
                makeLayout([string $name = null ][, array<string|int, mixed> $params = [] ][, bool $throwException = true ]) : mixed

Parameters

$name : string = null: Specifies the layout name. If this parameter is omitted, the $layout property will be used.
$params : array<string|int, mixed> = []: Parameter variables to pass to the view.
$throwException : bool = true: Throw an exception if the layout is not found

Return values

mixed —

The layout contents, or false.

makeLayoutPartial()

Renders a layout partial


    public
                makeLayoutPartial(string $partial[, array<string|int, mixed> $params = [] ]) : string

Parameters

$partial : string: The view to load.
$params : array<string|int, mixed> = []: Parameter variables to pass to the view.

Return values

string —

The layout partial contents

makePartial()

Render a partial file contents located in the views folder.


    public
                makePartial(string $partial[, array<string|int, mixed> $params = [] ][, bool $throwException = true ]) : mixed

Parameters

$partial : string: The view to load.
$params : array<string|int, mixed> = []: Parameter variables to pass to the view.
$throwException : bool = true: Throw an exception if the partial is not found.

Return values

mixed —

Partial contents or false if not throwing an exception.

makeView()

Loads a view with the name specified. Applies layout if its name is provided by the parent object.


    public
                makeView(string $view) : string

The view file must be situated in the views directory, and has the extension "htm".

Parameters

$view : string: Specifies the view name, without extension. Eg: "index".

Return values

string —

makeViewContent()

Renders supplied contents inside a layout.


    public
                makeViewContent(string $contents[, string $layout = null ]) : string

Parameters

$contents : string: The inner contents as a string.
$layout : string = null: Specifies the layout name.

Return values

string —

makeWidget()

Makes a widget object with the supplied configuration file.


    public
                makeWidget(string $class[, array<string|int, mixed> $widgetConfig = [] ]) : mixed|WidgetBase

Parameters

$class : string: Widget class name
$widgetConfig : array<string|int, mixed> = []: An array of config.

Return values

mixed|WidgetBase —

The widget object

mergeConfig()

Merges two configuration sources, either prepared or not, and returns them as a single configuration object.


    public
                mergeConfig(mixed $configA, mixed $configB) : stdClass

Parameters

$configA : mixed
$configB : mixed

Return values

stdClass —

The config object

methodExists()

Checks if a method exists, extension equivalent of method_exists()


    public
                methodExists(string $name) : bool

Parameters

$name : string

Return values

bool —

propertyExists()

Checks if a property exists, extension equivalent of `property_exists()`


    public
                propertyExists(string $name) : bool

Parameters

$name : string

Return values

bool —

render()

Renders the widget's primary contents.


    public
                render() : string

Return values

string —

HTML markup supplied by this widget.

resetSession()

Resets all session data related to this widget.


    public
                resetSession() : void

Return values

void —

addAsset()

Adds the provided asset to the internal asset collections


    protected
                addAsset(string $type, string $path, array<string|int, mixed> $attributes) : mixed

Parameters

$type : string: The type of the asset: 'js' || 'css' || 'rss'
$path : string: The path to the asset
$attributes : array<string|int, mixed>: The attributes for the asset

Return values

mixed —

extendableIsAccessible()

Checks if a property is accessible, property equivalent of `is_callable()`


    protected
                extendableIsAccessible(mixed $class, string $propertyName) : bool

Parameters

$class : mixed
$propertyName : string

Return values

bool —

extensionExtractMethods()

Extracts the available methods from a behavior and adds it to the list of callable methods.


    protected
                extensionExtractMethods(string $extensionName, object $extensionObject) : void

Parameters

$extensionName : string
$extensionObject : object

Return values

void —

fillFromConfig()

Transfers config values stored inside the $config property directly on to the root object properties. If no properties are defined all config will be transferred if it finds a matching property.


    protected
                fillFromConfig([array<string|int, mixed> $properties = null ]) : void

Parameters

$properties : array<string|int, mixed> = null

Return values

void —

getAssetEntryBuildPath()

Internal helper, attaches a build code to an asset path


    protected
                getAssetEntryBuildPath(array<string|int, mixed> $asset) : string

Parameters

$asset : array<string|int, mixed>: Stored asset array

Return values

string —

getAssetScheme()

Internal helper, get asset scheme


    protected
                getAssetScheme(string $asset) : string

Parameters

$asset : string: Specifies a path (URL) to the asset.

Return values

string —

getLocalPath()


    protected
                getLocalPath(string $relativePath) : mixed

Parameters

$relativePath : string

Return values

mixed —

getSession()

Retrieves a widget related key/value pair from session data.


    protected
                getSession([string $key = null ][, string $default = null ]) : string

Parameters

$key : string = null: Unique key for the data store.
$default : string = null: A default value to use when value is not found.

Return values

string —

handleViewException()

Handle a view exception.


    protected
                handleViewException(Exception $e, int $obLevel) : void

Parameters

$e : Exception
$obLevel : int

Return values

void —

loadAssets()

Adds widget specific asset files. Use $this->addJs() and $this->addCss() to register new assets to include on the page.


    protected
                loadAssets() : void

Return values

void —

makeSessionId()

Returns a unique session identifier for this widget and controller action.


    protected
                makeSessionId() : string

Return values

string —

putSession()

Saves a widget related key/value pair in to session data.


    protected
                putSession(string $key, string $value) : void

Parameters

$key : string: Unique key for the data store.
$value : string: The value to store.

Return values

void —

removeDuplicates()

Removes duplicate assets from the entire collection.


    protected
                removeDuplicates() : void

Return values

void —