56 lines
2.4 KiB
TypeScript
56 lines
2.4 KiB
TypeScript
/**
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* @author Martin Karkowski
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* @email m.karkowski@zema.de
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* @create date 2019-05-10 13:02:31
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* @modify date 2020-07-18 07:07:16
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* @desc [description]
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*/
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import { v4 as generateID } from 'uuid';
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import { IGraphToolComponent } from '../interfaces/IGraphTool';
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import { IBaseNodeOptions } from '../../../@zema/ZISS-Network/type/IBaseNodeOptions';
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import { IBaseEdgeOptions } from '../../../@zema/ZISS-Network/type/IBaseEdgeOptions';
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import { IMinProvidedDataSet } from '../../gui-components-basic-layout/types/interfaces';
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/**
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* Function, which will generate the Default Add Edge Callback
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* @param network The Network
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* @param customAddCallback A Custom Callback, which could be provided
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*/
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export function generateAddFunction<N extends IBaseNodeOptions, E extends IBaseEdgeOptions, D extends IMinProvidedDataSet, C extends IGraphToolComponent<N, E, D>>(component: C, customAddCallback?: (edgeData: IBaseEdgeOptions, callback: (edge: IBaseEdgeOptions) => void) => void, allowSelfConnection = true, allowDoubleConnections = true){
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return (edgeData: IBaseEdgeOptions, callback: (edge: IBaseEdgeOptions) => void) => {
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/** If not Connected to itself everything should be fine */
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if (allowSelfConnection || edgeData.from !== edgeData.to) {
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let addEdge = true;
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/**
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* Search for Edges, whether they already have been
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* added.
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*/
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component.network.data.edges.forEach((edge) => {
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if (edge.from === edgeData.from && edge.to === edgeData.to) {
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addEdge = false;
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}
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});
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/** If the Edge can be added ==> Add it */
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if (allowDoubleConnections || addEdge) {
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/** Make shure, a new ID is provided */
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edgeData.id = generateID();
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/** Call the custom callback (if provided), otherwise just add it. */
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if (typeof customAddCallback === 'function'){
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customAddCallback(edgeData, callback)
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} else {
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callback(edgeData);
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}
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} else if (!allowDoubleConnections) {
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component.network.showMessage('warning','Double Connections not allowed','You can not connect these elements again',5000);
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}
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} else {
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component.network.showMessage('warning','Self-Connections forbidden','You can not connect elements to itself',5000);
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}
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};
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}
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