45 lines
1.1 KiB
JavaScript
45 lines
1.1 KiB
JavaScript
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/**
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* @typedef {import('../model').Base} Base
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* @typedef {import('../model').Connection} Connection
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*
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* @typedef {import('../util').Point} Point
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*/
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import {
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getMid
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} from './LayoutUtil';
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/**
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* A base connection layouter implementation
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* that layouts the connection by directly connecting
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* mid(source) + mid(target).
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*/
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export default function BaseLayouter() {}
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/**
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* Return the new layouted waypoints for the given connection.
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*
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* The connection passed is still unchanged; you may figure out about
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* the new connection start / end via the layout hints provided.
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*
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* @param {Connection} connection
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* @param {Object} [hints]
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* @param {Point} [hints.connectionStart]
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* @param {Point} [hints.connectionEnd]
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* @param {Base} [hints.source]
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* @param {Base} [hints.target]
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*
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* @return {Point[]} The waypoints of the laid out connection.
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*/
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BaseLayouter.prototype.layoutConnection = function(connection, hints) {
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hints = hints || {};
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return [
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hints.connectionStart || getMid(hints.source || connection.source),
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hints.connectionEnd || getMid(hints.target || connection.target)
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];
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};
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