Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;

** without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

** See the GNU Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

​

class CWidgetItemHistory extends CWidget {

​

    static VALUE_TYPE_IMAGE = 'image';

    static VALUE_TYPE_RAW = 'raw';

​

    #binary_data_cache = new Map();

    #binary_buttons = new Map();

​

    #abort_controller = null;

​

    #thumbnail_loader = null;

​

    #values_table;

​

    #selected_itemid = null;

    #selected_clock = null;

    #selected_key_ = null;

​

    setContents(response) {

        super.setContents(response);

​

        if (this.#abort_controller !== null) {

            this.#abort_controller.abort();

            this.#abort_controller = null;

        }

​

        this.#values_table = this._body.querySelector(`.${ZBX_STYLE_LIST_TABLE}`);

​

        if (this.#values_table === null) {

            return;

        }

​

        const items_data = new Map();

        this.#values_table.querySelectorAll('.has-broadcast-data').forEach(element => {

            const itemid = element.dataset.itemid;

            const clock = element.dataset.clock;

            const key_ = element.dataset.key_;

​

            if (!items_data.has(itemid)) {

                items_data.set(itemid, { itemid: itemid, clock: clock, key_: key_ });

            }

        });

​

        this.#loadThumbnails(this.#makeUrls());

​

        this.#values_table.addEventListener('click', e => {

            const element = e.target.closest('.has-broadcast-data');

​