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/**
* @author zhixin wen <wenzhixin2010@gmail.com>
* @version: v1.0.1
*/
(function ($) {
'use strict';
$.extend($.fn.bootstrapTable.defaults, {
fixedColumns: false,
fixedNumber: 1
});
var BootstrapTable = $.fn.bootstrapTable.Constructor,
_initHeader = BootstrapTable.prototype.initHeader,
_initBody = BootstrapTable.prototype.initBody,
_resetView = BootstrapTable.prototype.resetView;
BootstrapTable.prototype.initFixedColumns = function () {
this.$fixedHeader = $([
'<div class="fixed-table-header-columns">',
'<table>',
'<thead></thead>',
'</table>',
'</div>'].join(''));
this.timeoutHeaderColumns_ = 0;
this.$fixedHeader.find('table').attr('class', this.$el.attr('class'));
this.$fixedHeaderColumns = this.$fixedHeader.find('thead');
this.$tableHeader.before(this.$fixedHeader);
this.$fixedBody = $([
'<div class="fixed-table-body-columns">',
'<table>',
'<tbody></tbody>',
'</table>',
'</div>'].join(''));
this.timeoutBodyColumns_ = 0;
this.$fixedBody.find('table').attr('class', this.$el.attr('class'));
this.$fixedBodyColumns = this.$fixedBody.find('tbody');
this.$tableBody.before(this.$fixedBody);
};
BootstrapTable.prototype.initHeader = function () {
_initHeader.apply(this, Array.prototype.slice.apply(arguments));
if (!this.options.fixedColumns) {
return;
}
this.initFixedColumns();
var that = this, $trs = this.$header.find('tr').clone();
$trs.each(function () {
$(this).find('th:gt(' + that.options.fixedNumber + ')').remove();
});
this.$fixedHeaderColumns.html('').append($trs);
};
BootstrapTable.prototype.initBody = function () {
_initBody.apply(this, Array.prototype.slice.apply(arguments));
if (!this.options.fixedColumns) {
return;
}
var that = this,
rowspan = 0;
this.$fixedBodyColumns.html('');
this.$body.find('> tr[data-index]').each(function () {
var $tr = $(this).clone(),
$tds = $tr.find('td');
$tr.html('');
var end = that.options.fixedNumber;
if (rowspan > 0) {
--end;
--rowspan;
}
for (var i = 0; i < end; i++) {
$tr.append($tds.eq(i).clone());
}
that.$fixedBodyColumns.append($tr);
if ($tds.eq(0).attr('rowspan')){
rowspan = $tds.eq(0).attr('rowspan') - 1;
}
});
};
BootstrapTable.prototype.resetView = function () {
_resetView.apply(this, Array.prototype.slice.apply(arguments));
if (!this.options.fixedColumns) {
return;
}
clearTimeout(this.timeoutHeaderColumns_);
this.timeoutHeaderColumns_ = setTimeout($.proxy(this.fitHeaderColumns, this), this.$el.is(':hidden') ? 100 : 0);
clearTimeout(this.timeoutBodyColumns_);
this.timeoutBodyColumns_ = setTimeout($.proxy(this.fitBodyColumns, this), this.$el.is(':hidden') ? 100 : 0);
};
BootstrapTable.prototype.fitHeaderColumns = function () {
var that = this,
visibleFields = this.getVisibleFields(),
headerWidth = 0;
this.$body.find('tr:first-child:not(.no-records-found) > *').each(function (i) {
var $this = $(this),
index = i;
if (i >= that.options.fixedNumber) {
return false;
}
if (that.options.detailView && !that.options.cardView) {
index = i - 1;
}
that.$fixedHeader.find('th[data-field="' + visibleFields[index] + '"]')
.find('.fht-cell').width($this.innerWidth());
headerWidth += $this.outerWidth();
});
this.$fixedHeader.width(headerWidth + 1).show();
};
BootstrapTable.prototype.fitBodyColumns = function () {
var that = this,
top = -(parseInt(this.$el.css('margin-top')) - 2),
// the fixed height should reduce the scorll-x height
height = this.$tableBody.height() - 14;
if (!this.$body.find('> tr[data-index]').length) {
this.$fixedBody.hide();
return;
}
if (!this.options.height) {
top = this.$fixedHeader.height();
height = height - top;
}
this.$fixedBody.css({
width: this.$fixedHeader.width(),
height: height,
top: top
}).show();
this.$body.find('> tr').each(function (i) {
that.$fixedBody.find('tr:eq(' + i + ')').height($(this).height() - 1);
});
// events
this.$tableBody.on('scroll', function () {
that.$fixedBody.find('table').css('top', -$(this).scrollTop());
});
this.$body.find('> tr[data-index]').off('hover').hover(function () {
var index = $(this).data('index');
that.$fixedBody.find('tr[data-index="' + index + '"]').addClass('hover');
}, function () {
var index = $(this).data('index');
that.$fixedBody.find('tr[data-index="' + index + '"]').removeClass('hover');
});
this.$fixedBody.find('tr[data-index]').off('hover').hover(function () {
var index = $(this).data('index');
that.$body.find('tr[data-index="' + index + '"]').addClass('hover');
}, function () {
var index = $(this).data('index');
that.$body.find('> tr[data-index="' + index + '"]').removeClass('hover');
});
};
})(jQuery);