Class RecentlyViewedManager

java.lang.Object

org.troy.capstone.managers.RecentlyViewedManager

All Implemented Interfaces:

SearchedItemPanelInteractor

public class RecentlyViewedManager
extends Object
implements SearchedItemPanelInteractor

Manager for recently viewed items, bridges RecentlyViewedQueue and RecentlyViewedWindow. Handles adding items to the recently viewed queue and updating the window content accordingly without the window and queue depending on each other. Implements SearchedItemPanelInteractor to listen for item selection events from the searched item panels, allowing it to update the recently viewed content based on user interactions with the search results.

Field Summary

Fields

Modifier and Type	Field	Description
private final RecentlyViewedQueue	recentlyViewedQueue	Queue to manage recently viewed items.
private final RecentlyViewedWindow	recentlyViewedWindow	Window to display recently viewed items.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	RecentlyViewedManager(ItemRepo itemRepo, RecentlyViewedWindow recentlyViewedWindow)	Constructor for the RecentlyViewedManager.

Method Summary

Modifier and Type	Method	Description
(package private) static RecentlyViewedManager	create(ItemRepo itemRepo, SearchedItemPanelDestinationUI destinationUI, SearchedItemPanelSourceUI panelSourceUI)	Factory method to create a RecentlyViewedManager and attach it as a listener to the given SearchedItemPanelSourceUI, allowing to receive item selection events from within the SearchedItemPanelSourceUI.
void	onItemSelected(String itemId)	Called when an item is selected in the searched item panel.

Methods inherited from class Object

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

Field Details

recentlyViewedQueue

private final RecentlyViewedQueue recentlyViewedQueue

Queue to manage recently viewed items.

recentlyViewedWindow

private final RecentlyViewedWindow recentlyViewedWindow

Window to display recently viewed items.

Constructor Details

RecentlyViewedManager

private RecentlyViewedManager(ItemRepo itemRepo,
 RecentlyViewedWindow recentlyViewedWindow)

Constructor for the RecentlyViewedManager.

Parameters:

itemRepo - The ItemRepo to use for retrieving item details.

recentlyViewedWindow - The RecentlyViewedWindow to use for displaying recently viewed items.

Method Details

create

static RecentlyViewedManager create(ItemRepo itemRepo,
 SearchedItemPanelDestinationUI destinationUI,
 SearchedItemPanelSourceUI panelSourceUI)

Factory method to create a RecentlyViewedManager and attach it as a listener to the given SearchedItemPanelSourceUI, allowing to receive item selection events from within the SearchedItemPanelSourceUI.

Parameters:

itemRepo - The ItemRepo to use for retrieving item details.

destinationUI - The SearchedItemPanelDestinationUI to use for displaying recently viewed items, should be the same instance as recentlyViewedWindow but typed as the interface it implements.

panelSourceUI - The SearchedItemPanelSourceUI to register as a listener to receive item selection events from the searched item panels, should be the same instance as the SearchedItemPagination but typed as the interface it implements.

Returns:

A new instance of RecentlyViewedManager with the given parameters, and registered as a listener to the panelSourceUI.

Preconditions:

itemRepo, recentlyViewedWindow, and panelSourceUI are not null. destinationUI is an instance of RecentlyViewedWindow and panelSourceUI is an instance of SearchedItemPagination.

onItemSelected

public void onItemSelected(String itemId)

Called when an item is selected in the searched item panel. Adds the selected item to the recently viewed queue and updates the recently viewed window content accordingly.

Specified by:

onItemSelected in interface SearchedItemPanelInteractor

Parameters:

itemId - The ID of the selected item.

Preconditions:

itemId is not null and corresponds to a valid key in the ItemHashMap.