/**
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* @author zhixin wen <wenzhixin2010@gmail.com>
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* @version: v1.0.1
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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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});
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var BootstrapTable = $.fn.bootstrapTable.Constructor,
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_initHeader = BootstrapTable.prototype.initHeader,
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_initBody = BootstrapTable.prototype.initBody,
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_resetView = BootstrapTable.prototype.resetView;
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BootstrapTable.prototype.initFixedColumns = function () {
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this.$fixedHeader = $([
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'<div class="fixed-table-header-columns">',
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'<table>',
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'<thead></thead>',
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'</table>',
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'</div>'].join(''));
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this.timeoutHeaderColumns_ = 0;
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this.$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 = $([
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'<div class="fixed-table-body-columns">',
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'<table>',
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'<tbody></tbody>',
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'</table>',
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'</div>'].join(''));
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this.timeoutBodyColumns_ = 0;
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this.$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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BootstrapTable.prototype.initHeader = function () {
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_initHeader.apply(this, Array.prototype.slice.apply(arguments));
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if (!this.options.fixedColumns) {
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return;
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}
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this.initFixedColumns();
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var that = this, $trs = this.$header.find('tr').clone();
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$trs.each(function () {
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$(this).find('th:gt(' + that.options.fixedNumber + ')').remove();
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});
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this.$fixedHeaderColumns.html('').append($trs);
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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) {
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return;
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}
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var that = this,
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rowspan = 0;
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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 = $(this).clone(),
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$tds = $tr.find('td');
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$tr.html('');
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var end = that.options.fixedNumber;
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if (rowspan > 0) {
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--end;
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--rowspan;
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}
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for (var i = 0; i < end; i++) {
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$tr.append($tds.eq(i).clone());
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}
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that.$fixedBodyColumns.append($tr);
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if ($tds.eq(0).attr('rowspan')){
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rowspan = $tds.eq(0).attr('rowspan') - 1;
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}
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});
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};
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BootstrapTable.prototype.resetView = function () {
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_resetView.apply(this, Array.prototype.slice.apply(arguments));
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if (!this.options.fixedColumns) {
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return;
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}
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clearTimeout(this.timeoutHeaderColumns_);
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this.timeoutHeaderColumns_ = setTimeout($.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.$el.is(':hidden') ? 100 : 0);
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};
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BootstrapTable.prototype.fitHeaderColumns = function () {
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var that = this,
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visibleFields = this.getVisibleFields(),
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headerWidth = 0;
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this.$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('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 + 1).show();
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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.$el.css('margin-top')) - 2),
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// the fixed height should reduce the scorll-x height
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height = this.$tableBody.height() - 14;
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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.$fixedHeader.height();
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height = height - top;
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}
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this.$fixedBody.css({
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width: this.$fixedHeader.width(),
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height: height,
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top: top
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}).show();
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this.$body.find('> tr').each(function (i) {
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that.$fixedBody.find('tr:eq(' + i + ')').height($(this).height() - 1);
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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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})(jQuery);
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