com.haulmont.cuba.web.sys.navigation.navigationhandler

Interface NavigationHandler

All Known Implementing Classes:

NoopNavigationHandler, ParamsNavigationHandler, RootNavigationHandler, ScreenNavigationHandler

public interface NavigationHandler

Classes that implement this interface are intended for handling URL navigation.

See Also:

UrlChangeHandler, ScreenNavigator

Field Summary

Fields

Modifier and Type	Field and Description
static int	HIGHEST_PLATFORM_PRECEDENCE Defines the highest precedence for Ordered or Order navigation handlers.
static int	LOWEST_PLATFORM_PRECEDENCE Defines the lowest precedence for Ordered or Order navigation handlers.

Method Summary

Modifier and Type	Method and Description
boolean	doHandle(NavigationState requestedState, AppUI ui) Performs navigation corresponding the given requestedState.

Field Detail

HIGHEST_PLATFORM_PRECEDENCE

static final int HIGHEST_PLATFORM_PRECEDENCE

Defines the highest precedence for Ordered or Order navigation handlers.

See Also:

Constant Field Values

LOWEST_PLATFORM_PRECEDENCE

static final int LOWEST_PLATFORM_PRECEDENCE

Defines the lowest precedence for Ordered or Order navigation handlers.

See Also:

Constant Field Values

Method Detail

doHandle

boolean doHandle(NavigationState requestedState,
                 AppUI ui)

Performs navigation corresponding the given requestedState.

Parameters:

requestedState - requested state represented by NavigationState instance

ui - current UI

Returns:

true if requestedState is fully handled by the handler or false if requestedState should be passed through handlers chain