Files
blockly/core/renderers/common/i_path_object.ts
Maribeth Bottorff 8173d139e1 feat: make renderer methods public or protected (#6887)
* feat: make renderering methods public or protected

* chore: formatting

* chore: recommend thrasos more strongly
2023-03-09 00:31:47 +00:00

144 lines
3.8 KiB
TypeScript

/**
* @license
* Copyright 2019 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import * as goog from '../../../closure/goog/goog.js';
goog.declareModuleId('Blockly.blockRendering.IPathObject');
import type {BlockStyle} from '../../theme.js';
import type {BlockSvg} from '../../block_svg.js';
import type {ConstantProvider} from './constants.js';
import {RenderedConnection} from '../../rendered_connection.js';
/**
* An interface for a block's path object.
*
* @param _root The root SVG element.
* @param _constants The renderer's constants.
*/
export interface IPathObject {
/**
* The primary path of the block.
*/
svgPath: SVGElement;
/** The renderer's constant provider. */
constants: ConstantProvider;
/** The primary path of the block. */
style: BlockStyle;
/**
* Holds the cursors SVG element when the cursor is attached to the block.
* This is null if there is no cursor on the block.
*/
cursorSvg: SVGElement|null;
/**
* Holds the markers SVG element when the marker is attached to the block.
* This is null if there is no marker on the block.
*/
markerSvg: SVGElement|null;
/**
* Set the path generated by the renderer onto the respective SVG element.
*
* @param pathString The path.
*/
setPath(pathString: string): void;
/**
* Apply the stored colours to the block's path, taking into account whether
* the paths belong to a shadow block.
*
* @param block The source block.
*/
applyColour(block: BlockSvg): void;
/**
* Update the style.
*
* @param blockStyle The block style to use.
*/
setStyle(blockStyle: BlockStyle): void;
/**
* Flip the SVG paths in RTL.
*/
flipRTL(): void;
/**
* Add the cursor SVG to this block's SVG group.
*
* @param cursorSvg The SVG root of the cursor to be added to the block SVG
* group.
*/
setCursorSvg(cursorSvg: SVGElement): void;
/**
* Add the marker SVG to this block's SVG group.
*
* @param markerSvg The SVG root of the marker to be added to the block SVG
* group.
*/
setMarkerSvg(markerSvg: SVGElement): void;
/**
* Set whether the block shows a highlight or not. Block highlighting is
* often used to visually mark blocks currently being executed.
*
* @param highlighted True if highlighted.
*/
updateHighlighted(highlighted: boolean): void;
/**
* Add or remove styling showing that a block is selected.
*
* @param enable True if selection is enabled, false otherwise.
*/
updateSelected(enabled: boolean): void;
/**
* Add or remove styling showing that a block is dragged over a delete area.
*
* @param enable True if the block is being dragged over a delete area, false
* otherwise.
*/
updateDraggingDelete(enabled: boolean): void;
/**
* Add or remove styling showing that a block is an insertion marker.
*
* @param enable True if the block is an insertion marker, false otherwise.
*/
updateInsertionMarker(enabled: boolean): void;
/**
* Add or remove styling showing that a block is movable.
*
* @param enable True if the block is movable, false otherwise.
*/
updateMovable(enabled: boolean): void;
/**
* Add or remove styling that shows that if the dragging block is dropped,
* this block will be replaced. If a shadow block, it will disappear.
* Otherwise it will bump.
*
* @param enable True if styling should be added.
*/
updateReplacementFade(enabled: boolean): void;
/**
* Add or remove styling that shows that if the dragging block is dropped,
* this block will be connected to the input.
*
* @param conn The connection on the input to highlight.
* @param enable True if styling should be added.
*/
updateShapeForInputHighlight(conn: RenderedConnection, enable: boolean): void;
}