Class TaskListView

src/bases/TaskListView.ts:127–2879

};

export class TaskListView extends BasesViewBase {
	type = "tasknotesTaskList";

	private configLoaded = false; // Track if we've successfully loaded config
	private itemsContainer: HTMLElement | null = null;
	private currentTaskElements = new Map<string, HTMLElement>();
	private lastRenderWasGrouped = false;
	private lastFlatPaths: string[] = [];
	private lastVirtualItems: TaskListVirtualItem[] = [];
	private lastTaskSignatures = new Map<string, string>();
	private lastCardRenderSignature = "";
	private taskInfoCache = new Map<string, TaskInfo>();
	private clickTimeouts = new Map<string, number>();
	private currentTargetDate = createUTCDateFromLocalCalendarDate(new Date());
	private containerListenersRegistered = false;
	private virtualScroller: VirtualScroller<TaskListVirtualItem> | null = null; // Can render TaskInfo or group headers
	private useVirtualScrolling = false;
	private collapsedGroups = new Set<string>(); // Track collapsed group keys
	private collapsedSubGroups = new Set<string>(); // Track collapsed sub-group keys
	private subGroupPropertyId: string | null = null; // Property ID for sub-grouping
	private defaultCollapsedState: DefaultCollapsedState = "Expanded";
	private expandedRelationshipFilterMode: TaskCardOptions["expandedRelationshipFilterMode"] =
		"inherit";
	private currentVisibleTaskPaths = new Set<string>();
	private currentVisibleTaskOrder = new Map<string, number>();
	private expandedRelationshipTaskPaths = new Set<string>();
	private expandedRelationshipTaskOrder = new Map<string, number>();
	private hideTopLevelSubtasks = false;
	private currentPrimaryGroupKeys: string[] = [];
	private currentSubGroupKeysByParent = new Map<string, string[]>();
	private initializedPrimaryGroupKeys = new Set<string>();
	private initializedSubGroupKeys = new Set<string>();
	private deferCollapseDefaultForNextSnapshot = false;

	// Drag-to-reorder state
	private basesController: TaskListController;
	private draggedTaskPath: string | null = null;
	private dragGroupKey: string | null = null;
	private currentInsertionGroupKey: string | null = null;
	private currentInsertionSegmentIndex = -1;
	private currentInsertionIndex = -1;
	private pendingDragClientY: number | null = null;
	private pendingRender = false;
	private taskGroupKeys = new Map<string, string>(); // task path → group key (set during grouped render)
	private sortScopeTaskPaths = new Map<string, string[]>();
	private sortScopeCandidateTaskPaths = new Map<string, string[]>();
	private dragOverRafId = 0; // rAF handle for throttled dragover
	private dragContainer: HTMLElement | null = null; // Container holding siblings during drag
	private currentDropSlotElement: HTMLElement | null = null;
	private currentDropSlotPosition: "before" | "after" | null = null;
	private dragBaselineCards: TaskListDropBaselineCard[] = [];
	private dropQueue = new DropOperationQueue();

	/**
	 * Threshold for enabling virtual scrolling in task list view.
	 * Virtual scrolling activates when total items (tasks + group headers) >= 100.
	 * Benefits: ~90% memory reduction, eliminates UI lag for large lists.
	 * Lower than KanbanView (30) because task cards are simpler/smaller.