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/**
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* This file is part of Haketilo.
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*
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* Function: Operations on DOM elements.
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*
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* Copyright (C) 2021 Wojtek Kosior
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* As additional permission under GNU GPL version 3 section 7, you
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* may distribute forms of that code without the copy of the GNU
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* GPL normally required by section 4, provided you include this
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* license notice and, in case of non-source distribution, a URL
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* through which recipients can access the Corresponding Source.
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* If you modify file(s) with this exception, you may extend this
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* exception to your version of the file(s), but you are not
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* obligated to do so. If you do not wish to do so, delete this
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* exception statement from your version.
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*
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* As a special exception to the GPL, any HTML file which merely
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* makes function calls to this code, and for that purpose
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* includes it by reference shall be deemed a separate work for
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* copyright law purposes. If you modify this code, you may extend
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* this exception to your version of the code, but you are not
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* obligated to do so. If you do not wish to do so, delete this
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* exception statement from your version.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* I, Wojtek Kosior, thereby promise not to sue for violation of this file's
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* license. Although I request that you do not make use this code in a
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* proprietary program, I am not going to enforce this in court.
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*/
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function by_id(id)
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{
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return document.getElementById(id);
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}
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const known_templates = new Map();
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function get_template(template_id)
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{
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let template = known_templates.get(template_id) || null;
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if (template)
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return template;
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for (const template_node of document.getElementsByTagName("TEMPLATE")) {
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template = template_node.content.getElementById(template_id);
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if (template)
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break;
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}
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known_templates.set(template_id, template);
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return template;
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}
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function clone_template(template_id)
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{
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const clone = get_template(template_id).cloneNode(true);
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const result_object = {};
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const to_process = [clone];
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while (to_process.length > 0) {
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const element = to_process.pop();
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const template_key = element.getAttribute("data-template");
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if (template_key)
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result_object[template_key] = element;
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element.removeAttribute("id");
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element.removeAttribute("data-template");
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for (const child of element.children)
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to_process.push(child);
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}
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return result_object;
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}
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/*
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* EXPORTS_START
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* EXPORT by_id
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* EXPORT get_template
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* EXPORT clone_template
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* EXPORTS_END
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*/
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