Package edu.ntnu.idi.idatt.navigation

Class ViewNavigator

java.lang.Object

edu.ntnu.idi.idatt.navigation.ViewNavigator

All Implemented Interfaces:

ButtonClickObserver

public class ViewNavigator
extends Object
implements ButtonClickObserver

ViewNavigator.

Handles navigation between different views/screens within the application.

It acts as a central point for view switching, responding to button clicks (as a ButtonClickObserver) or direct calls to navigate to specific ViewTypes. It creates the necessary views and their controllers, setting up dependencies and event handlers (like onStartGame, onQuitGame) to link them together.

See Also:

• AppView
• ViewType
• ButtonClickObserver

Constructor Summary

Constructors

Constructor	Description
ViewNavigator(AppView appView)	Constructs a ViewNavigator.

Method Summary

Modifier and Type	Method	Description
void	navigateTo(ViewType viewType)	Navigates to the specified ViewType without any parameters.
void	navigateTo(ViewType viewType, Map<String,Object> params)	Navigates to the specified ViewType, creating and displaying the corresponding view in the appView.
void	onButtonClicked(String buttonId)	Handles button click events without parameters.
void	onButtonClickedWithParams(String buttonId, Map<String,Object> params)	Handles button click events with parameters.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ViewNavigator

public ViewNavigator(AppView appView)

Constructs a ViewNavigator.

Parameters:

appView - The main AppView container where different views will be displayed.

Method Details

onButtonClicked

public void onButtonClicked(String buttonId)

Handles button click events without parameters. Attempts to navigate to a ViewType matching the button ID.

Specified by:

onButtonClicked in interface ButtonClickObserver

Parameters:

buttonId - The ID of the button, expected to match a ViewType enum name.

onButtonClickedWithParams

public void onButtonClickedWithParams(String buttonId,
 Map<String,Object> params)

Handles button click events with parameters. Attempts to navigate to a ViewType matching the button ID, passing along the parameters.

Specified by:

onButtonClickedWithParams in interface ButtonClickObserver

Parameters:

buttonId - The ID of the button, expected to match a ViewType enum name.

params - A map of parameters to be passed to the new view/controller.

navigateTo

public void navigateTo(ViewType viewType,
 Map<String,Object> params)

Navigates to the specified ViewType, creating and displaying the corresponding view in the appView.

Parameters:

viewType - The type of view to navigate to.

params - A map of parameters required by the target view or its controller (e.g., board and players for a game view).

Throws:

IllegalArgumentException - if the viewType is unknown.

navigateTo

public void navigateTo(ViewType viewType)

Navigates to the specified ViewType without any parameters. Calls navigateTo(ViewType, Map) with an empty parameter map.

Parameters:

viewType - The type of view to navigate to.