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 | $params | ||
| Presenter read-only | $presenter | ||
| bool read-only | $linkCurrent |
Methods
Returns the presenter where this component belongs to.
Returns the presenter where this component belongs to.
Returns a fully-qualified name that uniquely identifies the component within the presenter hierarchy.
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 37
Presenter|null
getPresenter()
Returns the presenter where this component belongs to.
at line 51
Presenter|null
getPresenterIfExists()
Returns the presenter where this component belongs to.
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
protected IComponent|null
createComponent(string $name)
No description
at line 89
protected void
validateParent(IContainer $parent)
No description
at line 102
protected bool
tryCall(string $method, array $params)
Calls public method if exists.
at line 129
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 137
static ComponentReflection
getReflection()
Access to reflection.
at line 149
void
loadState(array $params)
Loads state information.
at line 177
void
saveState(array $params)
Saves state information for next request.
at line 186
void
saveStatePartial(array $params, ComponentReflection $reflection)
| internal | used by presenter |
No description
at line 225
final mixed
getParameter(string $name)
Returns component param.
at line 237
final array
getParameters()
Returns component parameters.
at line 246
final string
getParameterId(string $name)
Returns a fully-qualified name that uniquely identifies the parameter.
at line 260
void
signalReceived(string $signal)
Calls signal handler method.
at line 272
static string
formatSignalMethod(string $signal)
Formats signal handler method name -> case sensitivity doesn't matter.
at line 287
string
link(string $destination, array|mixed $args = [])
Generates URL to presenter, action or signal.
at line 306
Link
lazyLink(string $destination, array|mixed $args = [])
Returns destination as Link object.
at line 321
bool
isLinkCurrent(string|null $destination = null, array|mixed $args = [])
Determines whether it links to the current page.
at line 341
void
redirect(string $destination, array|mixed $args = [])
Redirect to another presenter, action or signal.
at line 359
void
redirectPermanent(string $destination, array|mixed $args = [])
Permanently redirects to presenter, action or signal.
at line 376
void
error(string $message = '', int $httpCode = Nette\Http\IResponse::S404_NotFound)
Throws HTTP error.