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