Zabbix

/*

** 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 General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** 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 General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

​

/**

 * JQuery class that initializes interactivity for SVG graph.

 *

 * Supported options:

 *  - SBox - time range selector;

 *  - show_problems - show problems in hintbox when mouse is moved over the problem zone;

 *  - min_period - min period in seconds that must be s-boxed to change the data in dashboard timeselector.

 */

(function ($) {

    "use strict";

​

    // Makes SBox selection cancelable pressing Esc.

    function sBoxKeyboardInteraction(e) {

        if (e.keyCode == 27) {

            destroySBox(e, e.data.graph);

        }

    }

​

    // Disable text selection in document when move mouse pressed cursor.

    function disableSelect(e) {

        e.preventDefault();

    }

​

    // Cancel SBox and unset its variables.

    function destroySBox(e, graph) {

        var graph = graph || e.data.graph,

            data = graph.data('options');

​

        if (data) {

            if (!data.isHintBoxFrozen) {

                graph.data('widget')._resumeUpdating();

            }

​

            $('.svg-graph-selection', graph).attr({'width': 0, 'height': 0});

            $('.svg-graph-selection-text', graph).text('');

            graph.data('options').boxing = false;

        }

​

        dropDocumentListeners(e, graph);

    }

​

    /**

     * Function removes SBox related $(document) event listeners:

     * - if no other widget have active SBox;

     * - to avoid another call of destroySBox on 'mouseup' (in case if user has pressed ESC).

     */

    function dropDocumentListeners(e, graph) {

        let widgets_boxing = 0; // Number of widgets with active SBox.

        ZABBIX.Dashboard.getSelectedDashboardPage().getWidgets().forEach((widget) => {

            if (widget.getType() === 'svggraph' && widget._svg !== null) {

                const options = jQuery(widget._svg).data('options');

                if (options !== undefined && options.boxing) {

                    widgets_boxing++;

                }

            }

        });

​

        if (widgets_boxing == 0 || (e && 'keyCode' in e && e.keyCode == 27)) {

            $(document)

                .off('selectstart', disableSelect)

                .off('keydown', sBoxKeyboardInteraction)

                .off('mousemove', moveSBoxMouse)

                .off('mouseup', destroySBox)

                .off('mouseup', endSBoxDrag);

        }

    }

​

    // Destroy hintbox, unset its variables and event listeners.

    function destroyHintbox(graph) {

        var data = graph.data('options'),

            hbox = graph.data('hintbox') || null;