@kieler/klighd-core
Version:
Core KLighD diagram visualization with Sprotty
51 lines • 1.78 kB
JavaScript
;
/*
* KIELER - Kiel Integrated Environment for Layout Eclipse RichClient
*
* http://rtsys.informatik.uni-kiel.de/kieler
*
* Copyright 2021-2023 by
* + Kiel University
* + Department of Computer Science
* + Real-Time and Embedded Systems Group
*
* This code is provided under the terms of the Eclipse Public License 2.0 (EPL-2.0).
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.insertSModelElementIntoModel = void 0;
/**
* Utility function to insert an SModelElement into an existing model.
* The id of the new piece must already be known by the model. That is to
* say, there is already a placeholder element with the same id in the model.
* @param modelRoot
* @param modelElement
*/
function insertSModelElementIntoModel(modelRoot, modelElement) {
// traverse model and search for insertion point
replaceNodeById(modelRoot, modelElement);
}
exports.insertSModelElementIntoModel = insertSModelElementIntoModel;
function replaceNodeById(root, modelElement) {
const { id } = modelElement;
if (root.children === undefined) {
return;
}
// try to find element in current children
const index = root.children.findIndex((child) => child.id === id);
if (index > -1) {
// replace if it exists
// root.children[index] = modelElement
root.remove(root.children[index]);
root.add(modelElement, index);
}
else {
// recurse further down otherwise
root.children.forEach((childNode) => {
// find correct child to descend into by pattern matching ids
if (id.startsWith(childNode.id)) {
replaceNodeById(childNode, modelElement);
}
});
}
}
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