@blockly/zoom-to-fit/dist/index.d.ts

A Blockly plugin that adds a zoom-to-fit control to the workspace.

/**
 * @license
 * Copyright 2021 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import * as Blockly from 'blockly/core';
/**
 * Class for zoom to fit control.
 */
export declare class ZoomToFitControl implements Blockly.IPositionable {
    protected workspace: Blockly.WorkspaceSvg;
    /**
     * The unique id for this component.
     */
    id: string;
    /**
     * The SVG group containing the zoom-to-fit control.
     */
    private svgGroup;
    /**
     * Left coordinate of the zoom-to-fit control.
     */
    private left;
    /**
     * Top coordinate of the zoom-to-fit control.
     */
    private top;
    /**
     * Width of the zoom-to-fit control.
     */
    private readonly width;
    /**
     * Height of the zoom-to-fit control.
     */
    private readonly height;
    /**
     * Distance between zoom-to-fit control and bottom or top edge of workspace.
     */
    private readonly marginVertical;
    /**
     * Distance between zoom-to-fit control and right or left edge of workspace.
     */
    private readonly marginHorizontal;
    /**
     * Whether this has been initialized.
     */
    private initialized;
    private onZoomToFitWrapper;
    /**
     * Constructor for zoom-to-fit control.
     *
     * @param workspace The workspace that the zoom-to-fit
     *     control will be added to.
     */
    constructor(workspace: Blockly.WorkspaceSvg);
    /**
     * Initializes the zoom reset control.
     */
    init(): void;
    /**
     * Disposes of workspace search.
     * Unlink from all DOM elements and remove all event listeners
     * to prevent memory leaks.
     */
    dispose(): void;
    /**
     * Creates DOM for ui element.
     */
    private createDom;
    /**
     * Handle click event.
     *
     * @param e A pointer down event.
     */
    private onClick;
    /**
     * Returns the bounding rectangle of the UI element in pixel units relative to
     * the Blockly injection div.
     *
     * @returns The component’s bounding box.
     */
    getBoundingRectangle(): Blockly.utils.Rect;
    /**
     * Positions the zoom-to-fit control.
     * It is positioned in the opposite corner to the corner the
     * categories/toolbox starts at.
     *
     * @param metrics The workspace metrics.
     * @param savedPositions List of rectangles that
     *     are already on the workspace.
     */
    position(metrics: Blockly.MetricsManager.UiMetrics, savedPositions: Blockly.utils.Rect[]): void;
}
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