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@@ -1,118 +1,76 @@
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/**
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* @author vincent loh <vincent.ml@gmail.com>
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- * @version: v1.1.0
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- * https://github.com/vinzloh/bootstrap-table/
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- * Sticky header for bootstrap-table
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* @update J Manuel Corona <jmcg92@gmail.com>
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+ * @update zhixin wen <wenzhixin2010@gmail.com>
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*/
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-(function ($) {
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- 'use strict';
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+($ => {
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+ const Utils = $.fn.bootstrapTable.utils
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- var sprintf = $.fn.bootstrapTable.utils.sprintf;
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- $.extend($.fn.bootstrapTable.defaults, {
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- stickyHeader: false
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- });
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-
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- var bootstrapVersion = 3;
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- try {
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- bootstrapVersion = parseInt($.fn.dropdown.Constructor.VERSION, 10);
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- } catch (e) { }
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- var hidden_class = bootstrapVersion > 3 ? 'd-none' : 'hidden';
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+ $.extend($.fn.bootstrapTable.defaults, {
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+ stickyHeader: false,
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+ stickyHeaderOffsetY: 0
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+ })
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- var BootstrapTable = $.fn.bootstrapTable.Constructor,
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- _initHeader = BootstrapTable.prototype.initHeader;
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+ const hiddenClass = Utils.bootstrapVersion === 4 ? 'd-none' : 'hidden'
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- BootstrapTable.prototype.initHeader = function () {
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- var that = this;
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- _initHeader.apply(this, Array.prototype.slice.apply(arguments));
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+ $.BootstrapTable = class extends $.BootstrapTable {
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+ initHeader (...args) {
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+ super.initHeader(...args)
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- if (!this.options.stickyHeader) {
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- return;
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- }
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+ if (!this.options.stickyHeader) {
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+ return
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+ }
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- var table = this.$tableBody.find('table'),
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- table_id = table.attr('id'),
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- header_id = table.attr('id') + '-sticky-header',
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- sticky_header_container_id = header_id +'-sticky-header-container',
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- anchor_begin_id = header_id +'_sticky_anchor_begin',
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- anchor_end_id = header_id +'_sticky_anchor_end';
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- // add begin and end anchors to track table position
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+ this.$el.before('<div class="sticky-header-container"></div>')
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+ this.$el.before('<div class="sticky_anchor_begin"></div>')
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+ this.$el.after('<div class="sticky_anchor_end"></div>')
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+ this.$header.addClass('sticky-header')
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- table.before(sprintf('<div id="%s" class="%s"></div>', sticky_header_container_id, hidden_class));
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- table.before(sprintf('<div id="%s"></div>', anchor_begin_id));
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- table.after(sprintf('<div id="%s"></div>', anchor_end_id));
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+ // clone header just once, to be used as sticky header
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+ // deep clone header, using source header affects tbody>td width
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+ this.$stickyContainer = this.$tableBody.find('.sticky-header-container')
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+ this.$stickyBegin = this.$tableBody.find('.sticky_anchor_begin')
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+ this.$stickyEnd = this.$tableBody.find('.sticky_anchor_end')
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+ this.$stickyHeader = this.$header.clone(true, true)
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- table.find('thead').attr('id', header_id);
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+ // render sticky on window scroll or resize
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+ $(window).on('resize.sticky-header-table', () => this.renderStickyHeader())
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+ $(window).on('scroll.sticky-header-table', () => this.renderStickyHeader())
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+ this.$tableBody.off('scroll').on('scroll', () => this.matchPositionX())
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+ }
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- // clone header just once, to be used as sticky header
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- // deep clone header. using source header affects tbody>td width
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- this.$stickyHeader = $($('#'+header_id).clone(true, true));
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- // avoid id conflict
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- this.$stickyHeader.removeAttr('id');
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+ renderStickyHeader () {
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+ const top = $(window).scrollTop()
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+ // top anchor scroll position, minus header height
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+ const start = this.$stickyBegin.offset().top - this.options.stickyHeaderOffsetY
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+ // bottom anchor scroll position, minus header height, minus sticky height
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+ const end = this.$stickyEnd.offset().top - this.options.stickyHeaderOffsetY - this.$header.height()
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+ // show sticky when top anchor touches header, and when bottom anchor not exceeded
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+ if (top > start && top <= end) {
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+ // ensure clone and source column widths are the same
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+ this.$stickyHeader.find('tr:eq(0)').find('th').each((index, el) => {
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+ $(el).css('min-width', this.$header.find('tr:eq(0)').find('th').eq(index).css('width'))
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+ })
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+ // match bootstrap table style
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+ this.$stickyContainer.removeClass(hiddenClass).addClass('fix-sticky fixed-table-container')
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+ // stick it in position
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+ this.$stickyContainer.css('top', `${this.options.stickyHeaderOffsetY}px`)
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+ // create scrollable container for header
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+ this.$stickyTable = $('<table/>')
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+ this.$stickyTable.addClass(this.options.classes)
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+ // append cloned header to dom
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+ this.$stickyContainer.html(this.$stickyTable.append(this.$stickyHeader))
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+ // match clone and source header positions when left-right scroll
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+ this.matchPositionX()
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+ } else {
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+ this.$stickyContainer.removeClass('fix-sticky').addClass(hiddenClass)
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+ }
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+ }
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- // render sticky on window scroll or resize
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- $(window).on('resize.'+table_id, table, render_sticky_header);
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- $(window).on('scroll.'+table_id, table, render_sticky_header);
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- // render sticky when table scroll left-right
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- table.closest('.fixed-table-container').find('.fixed-table-body').on('scroll.'+table_id, table, match_position_x);
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+ matchPositionX () {
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+ this.$stickyContainer.scrollLeft(this.$tableBody.scrollLeft())
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+ }
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+ }
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- this.$el.on('all.bs.table', function (e) {
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- that.$stickyHeader = $($('#'+header_id).clone(true, true));
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- that.$stickyHeader.removeAttr('id');
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- });
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-
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- function render_sticky_header(event) {
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- var table = event.data;
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- var table_header_id = table.find('thead').attr('id');
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- // console.log('render_sticky_header for > '+table_header_id);
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- if (table.length < 1 || $('#'+table_id).length < 1){
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- // turn off window listeners
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- $(window).off('resize.'+table_id);
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- $(window).off('scroll.'+table_id);
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- table.closest('.fixed-table-container').find('.fixed-table-body').off('scroll.'+table_id);
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- return;
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- }
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- // get header height
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- var header_height = '0';
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- if (that.options.stickyHeaderOffsetY) header_height = that.options.stickyHeaderOffsetY.replace('px','');
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- // window scroll top
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- var t = $(window).scrollTop();
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- // top anchor scroll position, minus header height
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- var e = $("#"+anchor_begin_id).offset().top - header_height;
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- // bottom anchor scroll position, minus header height, minus sticky height
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- var e_end = $("#"+anchor_end_id).offset().top - header_height - $('#'+table_header_id).css('height').replace('px','');
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- // show sticky when top anchor touches header, and when bottom anchor not exceeded
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- if (t > e && t <= e_end) {
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- // ensure clone and source column widths are the same
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- $.each( that.$stickyHeader.find('tr').eq(0).find('th'), function (index, item) {
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- $(item).css('min-width', $('#'+table_header_id+' tr').eq(0).find('th').eq(index).css('width'));
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- });
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- // match bootstrap table style
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- $("#"+sticky_header_container_id).removeClass(hidden_class).addClass("fix-sticky fixed-table-container") ;
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- // stick it in position
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- $("#"+sticky_header_container_id).css('top', header_height + 'px');
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- // create scrollable container for header
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- var scrollable_div = $('<div style="position:absolute;width:100%;overflow-x:hidden;" />');
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- // append cloned header to dom
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- $("#"+sticky_header_container_id).html(scrollable_div.append(that.$stickyHeader));
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- // match clone and source header positions when left-right scroll
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- match_position_x(event);
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- } else {
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- // hide sticky
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- $("#"+sticky_header_container_id).removeClass("fix-sticky").addClass(hidden_class);
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- }
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-
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- }
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- function match_position_x(event){
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- var table = event.data;
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- var table_header_id = table.find('thead').attr('id');
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- // match clone and source header positions when left-right scroll
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- $("#"+sticky_header_container_id).css(
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- 'width', +table.closest('.fixed-table-body').css('width').replace('px', '') + 1
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- );
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- $("#"+sticky_header_container_id+" thead").parent().scrollLeft(Math.abs($('#'+table_header_id).position().left));
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- }
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- };
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-
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-})(jQuery);
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+})(jQuery)
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zhixin