mj-context-menu/js/menu_element.js

A generic context menu

import { AbstractNavigatable } from './abstract_navigatable.js';
export class MenuElement extends AbstractNavigatable {
    addAttributes(attributes) {
        for (const attr in attributes) {
            this.html.setAttribute(attr, attributes[attr]);
        }
    }
    get html() {
        if (!this._html) {
            this.generateHtml();
        }
        return this._html;
    }
    set html(html) {
        this._html = html;
        this.addEvents(html);
    }
    generateHtml() {
        const html = document.createElement('div');
        html.classList.add(this.className);
        html.setAttribute('role', this.role);
        this.html = html;
    }
    focus() {
        const html = this.html;
        html.setAttribute('tabindex', '0');
        setTimeout(() => html.focus(), 50);
    }
    unfocus() {
        const html = this.html;
        if (html.hasAttribute('tabindex')) {
            html.setAttribute('tabindex', '-1');
        }
        try {
            html.blur();
        }
        catch (e) {
        }
        html.blur();
    }
}
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