Component
abstract class Component extends Container implements SignalReceiver, StatePersistent, ArrayAccess
Component is the base class for all Presenter components.
Components are persistent objects located on a presenter. They have ability to own other child components, and interact with user. Components have properties for storing their status, and responds to user command.
Properties
| $onAnchor | |||
| protected array<string,mixed> | $params |
Methods
Returns the presenter where this component belongs to. Throws if not attached.
Returns the presenter where this component belongs to, or null if not attached.
Returns a fully-qualified name that uniquely identifies the component within the presenter hierarchy.
No description
No description
No description
Calls public method if exists.
Descendant can override this method to check for permissions.
Access to reflection.
Loads state information.
Saves state information for next request.
Returns component param.
Returns component parameters.
Returns a fully-qualified name that uniquely identifies the parameter.
Calls signal handler method.
Formats signal handler method name -> case sensitivity doesn't matter.
Generates URL to presenter, action or signal.
Determines whether it links to the current page.
Redirect to another presenter, action or signal.
Permanently redirects to presenter, action or signal.
Throws HTTP error.
Details
at line 41
Presenter|null
getPresenter(bool $throw = true)
Returns the presenter where this component belongs to. Throws if not attached.
at line 51
Presenter|null
getPresenterIfExists()
deprecated
deprecated
Returns the presenter where this component belongs to, or null if not attached.
at line 58
bool
hasPresenter()
deprecated
deprecated
No description
at line 68
string
getUniqueId()
Returns a fully-qualified name that uniquely identifies the component within the presenter hierarchy.
at line 74
Component
addComponent(IComponent $component, string|null $name, string|null $insertBefore = null)
No description
at line 88
protected IComponent|null
createComponent(string $name)
No description
at line 99
protected void
validateParent(IContainer $parent)
No description
at line 113
protected bool
tryCall(string $method, array $params)
Calls public method if exists.
at line 141
void
checkRequirements(ReflectionClass|ReflectionMethod $element)
Descendant can override this method to check for permissions.
It is called with the presenter class and the render(), action(), and handle*() methods.
at line 149
static ComponentReflection
getReflection()
Access to reflection.
at line 162
void
loadState(array $params)
Loads state information.
at line 191
void
saveState(array $params)
Saves state information for next request.
at line 201
void
saveStatePartial(array $params, ComponentReflection $reflection)
| internal | used by presenter |
No description
at line 240
final mixed
getParameter(string $name)
Returns component param.
at line 254
final array
getParameters()
Returns component parameters.
at line 263
final string
getParameterId(string $name)
Returns a fully-qualified name that uniquely identifies the parameter.
at line 277
void
signalReceived(string $signal)
Calls signal handler method.
at line 289
static string
formatSignalMethod(string $signal)
Formats signal handler method name -> case sensitivity doesn't matter.
at line 304
string
link(string $destination, mixed ...$args)
Generates URL to presenter, action or signal.
at line 323
Link
lazyLink(string $destination, mixed ...$args)
Returns destination as Link object.
at line 338
bool
isLinkCurrent(string|null $destination = null, mixed ...$args)
Determines whether it links to the current page.
at line 357
never
redirect(string $destination, mixed ...$args)
Redirect to another presenter, action or signal.
at line 374
never
redirectPermanent(string $destination, mixed ...$args)
Permanently redirects to presenter, action or signal.
at line 392
never
error(string $message = '', int $httpCode = Nette\Http\IResponse::S404_NotFound)
Throws HTTP error.