site/node_modules/mathjax-full/ts/output/common/Wrappers/mtd.ts

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/*************************************************************
*
* Copyright (c) 2018-2022 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 CommonMtd wrapper mixin for the MmlMtd object
*
* @author dpvc@mathjax.org (Davide Cervone)
*/
import {AnyWrapper, WrapperConstructor, Constructor} from '../Wrapper.js';
import {CommonMtable} from '../../common/Wrappers/mtable.js';
import {CommonMtr} from '../../common/Wrappers/mtr.js';
/*****************************************************************/
/**
* The CommonMtd interface
*/
export interface CommonMtd extends AnyWrapper {
}
/**
* Shorthand for the CommonMtd constructor
*/
export type MtdConstructor = Constructor<CommonMtd>;
/*****************************************************************/
/**
* The CommonMtd wrapper mixin for the MmlMtd object
*
* @template T The Wrapper class constructor type
*/
export function CommonMtdMixin<T extends WrapperConstructor>(Base: T): MtdConstructor & T {
return class extends Base {
/**
* @override
*/
get fixesPWidth() {
return false;
}
/**
* @override
*/
public invalidateBBox() {
this.bboxComputed = false;
}
/**
* @override
*/
public getWrapWidth(_j: number) {
const table = this.parent.parent as any as CommonMtable<AnyWrapper, CommonMtr<AnyWrapper>>;
const row = this.parent as CommonMtr<AnyWrapper>;
const i = this.node.childPosition() - (row.labeled ? 1 : 0);
return (typeof(table.cWidths[i]) === 'number' ? table.cWidths[i] : table.getTableData().W[i]) as number;
}
/**
* @override
*/
public getChildAlign(_i: number) {
return this.node.attributes.get('columnalign') as string;
}
};
}