@reactodia/workspace/dist/typings/diagram/sharedCanvasState.d.ts

Reactodia Workspace -- library for visual interaction with graphs in a form of a diagram.

import { Events, PropertyChange } from '../coreUtils/events';
import type { CanvasApi, CanvasDropEvent, CanvasWidgetDescription } from './canvasApi';
import type { ElementTemplate, LinkTemplate, RenameLinkProvider } from './customization';
import { Element, Link } from './elements';
import type { LayoutFunction } from './layout';
export interface SharedCanvasStateEvents {
    changeHighlight: PropertyChange<SharedCanvasState, CellHighlighter | undefined>;
    changeWidgets: PropertyChange<SharedCanvasState, ReadonlyMap<string, CanvasWidgetDescription>>;
    findCanvas: FindCanvasEvent;
    dispose: {
        readonly source: SharedCanvasState;
    };
}
export interface FindCanvasEvent {
    readonly canvases: CanvasApi[];
}
export type CellHighlighter = (item: Element | Link) => boolean;
export interface SharedCanvasStateOptions {
    defaultElementTemplate: ElementTemplate;
    defaultLinkTemplate: LinkTemplate;
    defaultLayout: LayoutFunction;
    renameLinkProvider?: RenameLinkProvider;
}
export declare class SharedCanvasState {
    private readonly listener;
    private readonly source;
    readonly events: Events<SharedCanvasStateEvents>;
    private disposed;
    private _canvasWidgets;
    private dropOnPaperHandler;
    private _highlighter;
    readonly defaultElementTemplate: ElementTemplate;
    readonly defaultLinkTemplate: LinkTemplate;
    readonly defaultLayout: LayoutFunction;
    readonly renameLinkProvider: RenameLinkProvider | undefined;
    constructor(options: SharedCanvasStateOptions);
    dispose(): void;
    findAllCanvases(): CanvasApi[];
    findAnyCanvas(): CanvasApi | undefined;
    get widgets(): ReadonlyMap<string, CanvasWidgetDescription>;
    setCanvasWidget(key: string, widget: CanvasWidgetDescription | null): void;
    setHandlerForNextDropOnPaper(handler: ((e: CanvasDropEvent) => void) | undefined): void;
    tryHandleDropOnPaper(e: CanvasDropEvent): boolean;
    get highlighter(): CellHighlighter | undefined;
    setHighlighter(value: CellHighlighter | undefined): void;
}
export declare class RenameLinkToLinkStateProvider implements RenameLinkProvider {
    canRename(link: Link): boolean;
    getLabel(link: Link): string | undefined;
    setLabel(link: Link, label: string): void;
}
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