61 lines
1.3 KiB
JavaScript
61 lines
1.3 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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* @typedef {import('../../model').Shape} Shape
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*
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* @typedef {import('../../util/Types').Point} Point
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*/
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/**
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* @typedef {Object} DockingPointDescriptor
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* @property {Point} point
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* @property {Point} actual
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* @property {number} idx
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*/
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/**
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* A layout component for connections that retrieves waypoint information.
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*
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* @class
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* @constructor
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*/
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export default function ConnectionDocking() {}
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/**
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* Return the actual waypoints of the connection (visually).
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*
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* @param {Connection} connection
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* @param {Base} [source]
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* @param {Base} [target]
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*
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* @return {Point[]}
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*/
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ConnectionDocking.prototype.getCroppedWaypoints = function(connection, source, target) {
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return connection.waypoints;
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};
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/**
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* Return the connection docking point on the specified shape
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*
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* @param {Connection} connection
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* @param {Shape} shape
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* @param {boolean} [dockStart=false]
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*
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* @return {DockingPointDescriptor}
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*/
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ConnectionDocking.prototype.getDockingPoint = function(connection, shape, dockStart) {
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var waypoints = connection.waypoints,
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dockingIdx,
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dockingPoint;
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dockingIdx = dockStart ? 0 : waypoints.length - 1;
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dockingPoint = waypoints[dockingIdx];
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return {
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point: dockingPoint,
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actual: dockingPoint,
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idx: dockingIdx
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};
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};
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