Class LayoutModel

frontend/layout/lib/layoutModel.ts:76–1570

const DefaultAnimationTimeS = 0.15;

export class LayoutModel {
    /**
     * Local atom holding the current tree state (source of truth during runtime)
     */
    private localTreeStateAtom: PrimitiveAtom<LayoutTreeState>;
    /**
     * The tree state (local cache)
     */
    treeState: LayoutTreeState;
    /**
     * Reference to the tab atom for accessing WaveObject
     */
    private tabAtom: Atom<Tab>;
    /**
     * WaveObject atom for persistence
     */
    private waveObjectAtom: Atom<LayoutState>;
    /**
     * Debounce timer for persistence
     */
    private persistDebounceTimer: NodeJS.Timeout | null;
    /**
     * Set of action IDs that have been processed (prevents duplicate processing)
     */
    private processedActionIds: Set<string>;
    /**
     * The jotai getter that is used to read atom values.
     */
    getter: Getter;
    /**
     * The jotai setter that is used to update atom values.
     */
    setter: Setter;
    /**
     * Callback that is invoked to render the block associated with a leaf node.
     */
    renderContent?: ContentRenderer;
    /**
     * Callback that is invoked to render the drag preview for a leaf node.
     */
    renderPreview?: PreviewRenderer;
    /**
     * Callback that is invoked when a node is closed.
     */
    onNodeDelete?: (data: TabLayoutData) => Promise<void>;
    /**
     * The size of the gap between nodes in CSS pixels.
     */
    gapSizePx: PrimitiveAtom<number>;

    /**
     * The time a transition animation takes, in seconds.
     */
    animationTimeS: PrimitiveAtom<number>;

    /**
     * List of nodes that are leafs and should be rendered as a DisplayNode.
     */