apacsys-vaporrecoverymonitor/server/node_modules/bootstrap-table/dist/extensions/sticky-header/bootstrap-table-sticky-header.js

(function (global, factory) {
    if (typeof define === "function" && define.amd) {
        define([], factory);
    } else if (typeof exports !== "undefined") {
        factory();
    } else {
        var mod = {
            exports: {}
        };
        factory();
        global.bootstrapTableStickyHeader = mod.exports;
    }
})(this, function () {
    'use strict';

    /**
     * @author vincent loh <vincent.ml@gmail.com>
     * @version: v1.1.0
     * https://github.com/vinzloh/bootstrap-table/
     * Sticky header for bootstrap-table
     * @update J Manuel Corona <jmcg92@gmail.com>
     */

    (function ($) {
        'use strict';

        var sprintf = $.fn.bootstrapTable.utils.sprintf;
        $.extend($.fn.bootstrapTable.defaults, {
            stickyHeader: false
        });

        var bootstrapVersion = 3;
        try {
            bootstrapVersion = parseInt($.fn.dropdown.Constructor.VERSION, 10);
        } catch (e) {}
        var hidden_class = bootstrapVersion > 3 ? 'd-none' : 'hidden';

        var BootstrapTable = $.fn.bootstrapTable.Constructor,
            _initHeader = BootstrapTable.prototype.initHeader;

        BootstrapTable.prototype.initHeader = function () {
            var that = this;
            _initHeader.apply(this, Array.prototype.slice.apply(arguments));

            if (!this.options.stickyHeader) {
                return;
            }

            var table = this.$tableBody.find('table'),
                table_id = table.attr('id'),
                header_id = table.attr('id') + '-sticky-header',
                sticky_header_container_id = header_id + '-sticky-header-container',
                anchor_begin_id = header_id + '_sticky_anchor_begin',
                anchor_end_id = header_id + '_sticky_anchor_end';
            // add begin and end anchors to track table position

            table.before(sprintf('<div id="%s" class="%s"></div>', sticky_header_container_id, hidden_class));
            table.before(sprintf('<div id="%s"></div>', anchor_begin_id));
            table.after(sprintf('<div id="%s"></div>', anchor_end_id));

            table.find('thead').attr('id', header_id);

            // clone header just once, to be used as sticky header
            // deep clone header. using source header affects tbody>td width
            this.$stickyHeader = $($('#' + header_id).clone(true, true));
            // avoid id conflict
            this.$stickyHeader.removeAttr('id');

            // render sticky on window scroll or resize
            $(window).on('resize.' + table_id, table, render_sticky_header);
            $(window).on('scroll.' + table_id, table, render_sticky_header);
            // render sticky when table scroll left-right
            table.closest('.fixed-table-container').find('.fixed-table-body').on('scroll.' + table_id, table, match_position_x);

            this.$el.on('all.bs.table', function (e) {
                that.$stickyHeader = $($('#' + header_id).clone(true, true));
                that.$stickyHeader.removeAttr('id');
            });

            function render_sticky_header(event) {
                var table = event.data;
                var table_header_id = table.find('thead').attr('id');
                // console.log('render_sticky_header for > '+table_header_id);
                if (table.length < 1 || $('#' + table_id).length < 1) {
                    // turn off window listeners
                    $(window).off('resize.' + table_id);
                    $(window).off('scroll.' + table_id);
                    table.closest('.fixed-table-container').find('.fixed-table-body').off('scroll.' + table_id);
                    return;
                }
                // get header height
                var header_height = '0';
                if (that.options.stickyHeaderOffsetY) header_height = that.options.stickyHeaderOffsetY.replace('px', '');
                // window scroll top
                var t = $(window).scrollTop();
                // top anchor scroll position, minus header height
                var e = $("#" + anchor_begin_id).offset().top - header_height;
                // bottom anchor scroll position, minus header height, minus sticky height
                var e_end = $("#" + anchor_end_id).offset().top - header_height - $('#' + table_header_id).css('height').replace('px', '');
                // show sticky when top anchor touches header, and when bottom anchor not exceeded
                if (t > e && t <= e_end) {
                    // ensure clone and source column widths are the same
                    $.each(that.$stickyHeader.find('tr').eq(0).find('th'), function (index, item) {
                        $(item).css('min-width', $('#' + table_header_id + ' tr').eq(0).find('th').eq(index).css('width'));
                    });
                    // match bootstrap table style
                    $("#" + sticky_header_container_id).removeClass(hidden_class).addClass("fix-sticky fixed-table-container");
                    // stick it in position
                    $("#" + sticky_header_container_id).css('top', header_height + 'px');
                    // create scrollable container for header
                    var scrollable_div = $('<div style="position:absolute;width:100%;overflow-x:hidden;" />');
                    // append cloned header to dom
                    $("#" + sticky_header_container_id).html(scrollable_div.append(that.$stickyHeader));
                    // match clone and source header positions when left-right scroll
                    match_position_x(event);
                } else {
                    // hide sticky
                    $("#" + sticky_header_container_id).removeClass("fix-sticky").addClass(hidden_class);
                }
            }
            function match_position_x(event) {
                var table = event.data;
                var table_header_id = table.find('thead').attr('id');
                // match clone and source header positions when left-right scroll
                $("#" + sticky_header_container_id).css('width', +table.closest('.fixed-table-body').css('width').replace('px', '') + 1);
                $("#" + sticky_header_container_id + " thead").parent().scrollLeft(Math.abs($('#' + table_header_id).position().left));
            }
        };
    })(jQuery);
});