/**
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* 基于bootstrap-table-fixed-columns修改
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* 支持左右列冻结、支持固定高度
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* Copyright (c) 2019 ruoyi
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*/
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(function ($) {
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'use strict';
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$.extend($.fn.bootstrapTable.defaults, {
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fixedColumns: false,
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fixedNumber: 1,
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rightFixedColumns: false,
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rightFixedNumber: 1
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});
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var BootstrapTable = $.fn.bootstrapTable.Constructor,
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_initHeader = BootstrapTable.prototype.initHeader,
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_initBody = BootstrapTable.prototype.initBody,
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_resetView = BootstrapTable.prototype.resetView;
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BootstrapTable.prototype.initFixedColumns = function () {
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this.timeoutHeaderColumns_ = 0;
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this.timeoutBodyColumns_ = 0;
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if (this.options.fixedColumns) {
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this.$fixedHeader = $([
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'<div class="left-fixed-table-columns">',
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'<table>',
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'<thead></thead>',
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'</table>',
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'</div>'].join(''));
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this.$fixedHeader.find('table').attr('class', this.$el.attr('class'));
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this.$fixedHeaderColumns = this.$fixedHeader.find('thead');
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this.$tableHeader.before(this.$fixedHeader);
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this.$fixedBody = $([
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'<div class="left-fixed-body-columns">',
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'<table>',
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'<tbody></tbody>',
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'</table>',
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'</div>'].join(''));
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this.$fixedBody.find('table').attr('class', this.$el.attr('class'));
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this.$fixedBodyColumns = this.$fixedBody.find('tbody');
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this.$tableBody.before(this.$fixedBody);
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}
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if (this.options.rightFixedColumns) {
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this.$rightfixedBody = $([
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'<div class="right-fixed-table-columns">',
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'<table>',
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'<thead></thead>',
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'<tbody style="background-color: #fff;"></tbody>',
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'</table>',
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'</div>'].join(''));
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this.$rightfixedBody.find('table').attr('class', this.$el.attr('class'));
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this.$rightfixedHeaderColumns = this.$rightfixedBody.find('thead');
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this.$rightfixedBodyColumns = this.$rightfixedBody.find('tbody');
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this.$tableBody.before(this.$rightfixedBody);
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if (this.options.fixedColumns) {
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$('.right-fixed-table-columns').attr('style','right:0px');
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}
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}
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};
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BootstrapTable.prototype.initHeader = function () {
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_initHeader.apply(this, Array.prototype.slice.apply(arguments));
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if (!this.options.fixedColumns && !this.options.rightFixedColumns){
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return;
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}
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this.initFixedColumns();
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var $ltr = this.$header.find('tr:eq(0)').clone(true),
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$rtr = this.$header.find('tr:eq(0)').clone(),
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$lths = $ltr.clone(true).find('th'),
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$rths = $rtr.clone().find('th');
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$ltr.html('');
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$rtr.html('');
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//右边列冻结
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if (this.options.rightFixedColumns) {
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for (var i = 0; i < this.options.rightFixedNumber; i++) {
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$rtr.append($rths.eq($rths.length - this.options.rightFixedNumber + i).clone());
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}
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this.$rightfixedHeaderColumns.html('').append($rtr);
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}
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//左边列冻结
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if (this.options.fixedColumns) {
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for (var i = 0; i < this.options.fixedNumber; i++) {
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$ltr.append($lths.eq(i).clone(true));
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}
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this.$fixedHeaderColumns.html('').append($ltr);
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this.$selectAll = $ltr.find('[name="btSelectAll"]');
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this.$selectAll.on('click', function () {
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var checked = $(this).prop('checked');
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$(".left-fixed-body-columns input[name=btSelectItem]").filter(':enabled').prop('checked', checked);
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$('.fixed-table-body input[name=btSelectItem]').closest('tr').removeClass('selected');
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});
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}
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};
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BootstrapTable.prototype.initBody = function () {
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_initBody.apply(this, Array.prototype.slice.apply(arguments));
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if (!this.options.fixedColumns && !this.options.rightFixedColumns) {
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return;
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}
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var that = this;
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if (this.options.fixedColumns) {
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this.$fixedBodyColumns.html('');
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this.$body.find('> tr[data-index]').each(function () {
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var $tr = $(this).clone(true),
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$tds = $tr.clone(true).find('td');
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$tr.html('');
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for (var i = 0; i < that.options.fixedNumber; i++) {
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$tr.append($tds.eq(i).clone(true));
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}
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that.$fixedBodyColumns.append($tr);
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});
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}
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if (this.options.rightFixedColumns) {
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this.$rightfixedBodyColumns.html('');
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this.$body.find('> tr[data-index]').each(function () {
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var $tr = $(this).clone(),
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$tds = $tr.clone().find('td');
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$tr.html('');
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for (var i = 0; i < that.options.rightFixedNumber; i++) {
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var indexTd = $tds.length - that.options.rightFixedNumber + i;
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var oldTd = $tds.eq(indexTd);
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var fixTd = oldTd.clone();
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var buttons = fixTd.find('button');
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//事件转移：冻结列里面的事件转移到实际按钮的事件
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buttons.each(function (key, item) {
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$(item).click(function () {
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that.$body.find("tr[data-index=" + $tr.attr('data-index') + "] td:eq(" + indexTd + ") button:eq(" + key + ")").click();
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});
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});
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$tr.append(fixTd);
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}
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that.$rightfixedBodyColumns.append($tr);
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});
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}
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};
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BootstrapTable.prototype.resetView = function () {
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_resetView.apply(this, Array.prototype.slice.apply(arguments));
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if (!this.options.fixedColumns && !this.options.rightFixedColumns) {
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return;
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}
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clearTimeout(this.timeoutHeaderColumns_);
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this.timeoutHeaderColumns_ = setTimeout($.proxy(this.fitHeaderColumns, this), this.$el.is(':hidden') ? 100 : 0);
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clearTimeout(this.timeoutBodyColumns_);
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this.timeoutBodyColumns_ = setTimeout($.proxy(this.fitBodyColumns, this), this.$el.is(':hidden') ? 100 : 0);
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};
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BootstrapTable.prototype.fitHeaderColumns = function () {
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var that = this,
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visibleFields = this.getVisibleFields(),
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headerWidth = 0;
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if (that.options.fixedColumns) {
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this.$body.find('tr:first-child:not(.no-records-found) > *').each(function (i) {
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var $this = $(this),
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index = i;
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if (i >= that.options.fixedNumber) {
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return false;
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}
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if (that.options.detailView && !that.options.cardView) {
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index = i - 1;
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}
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that.$fixedHeader.find('thead th[data-field="' + visibleFields[index] + '"]')
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.find('.fht-cell').width($this.innerWidth());
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headerWidth += $this.outerWidth();
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});
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this.$fixedHeader.width(headerWidth + 2).show();
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}
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if (that.options.rightFixedColumns) {
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this.$body.find('tr:first-child:not(.no-records-found) > *').each(function (i) {
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var $this = $(this),
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index = i;
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if (i >= visibleFields.length - that.options.rightFixedNumber) {
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return false;
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if (that.options.detailView && !that.options.cardView) {
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index = i - 1;
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}
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that.$rightfixedBody.find('thead th[data-field="' + visibleFields[index] + '"]')
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.find('.fht-cell').width($this.innerWidth() - 1);
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headerWidth += $this.outerWidth();
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}
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});
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this.$rightfixedBody.width(headerWidth - 1).show();
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}
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};
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BootstrapTable.prototype.fitBodyColumns = function () {
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var that = this,
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top = -(parseInt(this.$el.css('margin-top'))),
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height = this.$tableBody.height();
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if (that.options.fixedColumns) {
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if (!this.$body.find('> tr[data-index]').length) {
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this.$fixedBody.hide();
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return;
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}
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if (!this.options.height) {
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top = this.$fixedHeader.height()- 1;
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height = height - top;
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}
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this.$fixedBody.css({
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width: this.$fixedHeader.width(),
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height: height,
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top: top + 1
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}).show();
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this.$body.find('> tr').each(function (i) {
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that.$fixedBody.find('tr:eq(' + i + ')').height($(this).height() - 0.5);
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var thattds = this;
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that.$fixedBody.find('tr:eq(' + i + ')').find('td').each(function (j) {
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$(this).width($($(thattds).find('td')[j]).width() + 1);
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});
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});
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$("#" + table.options.id).on("check.bs.table uncheck.bs.table", function (e, rows, $element) {
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var index= $element.data('index');
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$(this).find('.bs-checkbox').find('input[data-index="' + index + '"]').prop("checked", true);
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var selectFixedItem = $('.left-fixed-body-columns input[name=btSelectItem]');
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var checkAll = selectFixedItem.filter(':enabled').length &&
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selectFixedItem.filter(':enabled').length ===
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selectFixedItem.filter(':enabled').filter(':checked').length;
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$(".left-fixed-table-columns input[name=btSelectAll]").prop('checked', checkAll);
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$('.fixed-table-body input[name=btSelectItem]').closest('tr').removeClass('selected');
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});
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//// events
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this.$tableBody.on('scroll', function () {
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that.$fixedBody.find('table').css('top', -$(this).scrollTop());
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});
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this.$body.find('> tr[data-index]').off('hover').hover(function () {
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var index = $(this).data('index');
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that.$fixedBody.find('tr[data-index="' + index + '"]').addClass('hover');
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}, function () {
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var index = $(this).data('index');
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that.$fixedBody.find('tr[data-index="' + index + '"]').removeClass('hover');
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});
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this.$fixedBody.find('tr[data-index]').off('hover').hover(function () {
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var index = $(this).data('index');
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that.$body.find('tr[data-index="' + index + '"]').addClass('hover');
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}, function () {
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var index = $(this).data('index');
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that.$body.find('> tr[data-index="' + index + '"]').removeClass('hover');
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});
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}
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if (that.options.rightFixedColumns) {
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if (!this.$body.find('> tr[data-index]').length) {
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this.$rightfixedBody.hide();
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return;
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}
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this.$body.find('> tr').each(function (i) {
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that.$rightfixedBody.find('tbody tr:eq(' + i + ')').height($(this).height());
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});
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//// events
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this.$tableBody.on('scroll', function () {
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that.$rightfixedBody.find('table').css('top', -$(this).scrollTop());
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});
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this.$body.find('> tr[data-index]').off('hover').hover(function () {
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var index = $(this).data('index');
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that.$rightfixedBody.find('tr[data-index="' + index + '"]').addClass('hover');
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}, function () {
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var index = $(this).data('index');
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that.$rightfixedBody.find('tr[data-index="' + index + '"]').removeClass('hover');
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});
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this.$rightfixedBody.find('tr[data-index]').off('hover').hover(function () {
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var index = $(this).data('index');
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that.$body.find('tr[data-index="' + index + '"]').addClass('hover');
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}, function () {
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var index = $(this).data('index');
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that.$body.find('> tr[data-index="' + index + '"]').removeClass('hover');
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});
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}
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};
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})(jQuery);
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