/*************************************************************
 *
 *  Copyright (c) 2018 The MathJax Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

/**
 * @fileoverview  Implements the SVGmfenced wrapper for the MmlMfenced object
 *
 * @author dpvc@mathjax.org (Davide Cervone)
 */

import {SVGWrapper, SVGConstructor} from '../Wrapper.js';
import {CommonMfenced, CommonMfencedMixin} from '../../common/Wrappers/mfenced.js';
import {MmlMfenced} from '../../../core/MmlTree/MmlNodes/mfenced.js';
import {SVGinferredMrow} from './mrow.js';

/*****************************************************************/
/**
 * The SVGmfenced wrapper for the MmlMfenced object
 *
 * @template N  The HTMLElement node class
 * @template T  The Text node class
 * @template D  The Document class
 */
export class SVGmfenced<N, T, D> extends CommonMfencedMixin<SVGConstructor<any, any, any>>(SVGWrapper) {

    public static kind = MmlMfenced.prototype.kind;

    public mrow: SVGinferredMrow<N, T, D>;

    /**
     * @override
     */
    public toSVG(parent: N) {
        const svg = this.standardSVGnode(parent);
        this.setChildrenParent(this.mrow);  // temporarily change parents to the mrow
        this.mrow.toSVG(svg);
        this.setChildrenParent(this);       // put back the correct parents
    }

    /**
     * @param {SVGWrapper} parent   The parent to use for the fenced children
     */
    setChildrenParent(parent: SVGWrapper<N, T, D>) {
        for (const child of this.childNodes) {
            child.parent = parent;
        }
    }

}