Skip to content

Enhancements #17

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Enhancements #17

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
226 changes: 105 additions & 121 deletions jquery.tablescroll.js
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,57 +1,49 @@
/*

Copyright (c) 2009 Dimas Begunoff, http://www.farinspace.com

Licensed under the MIT license
http://en.wikipedia.org/wiki/MIT_License

Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

*/

;(function($){

Copyright (c) 2009 Dimas Begunoff, http://www.farinspace.com
Licensed under the MIT license
http://en.wikipedia.org/wiki/MIT_License
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
*/
;
(function ($) {
var scrollbarWidth = 0;

// http://jdsharp.us/jQuery/minute/calculate-scrollbar-width.php
function getScrollbarWidth()
// http://jdsharp.us/jQuery/minute/calculate-scrollbar-width.php
function getScrollbarWidth()
{
if (scrollbarWidth) return scrollbarWidth;
var div = $('<div style="width:50px;height:50px;overflow:hidden;position:absolute;top:-200px;left:-200px;"><div style="height:100px;"></div></div>');
$('body').append(div);
var w1 = $('div', div).innerWidth();
div.css('overflow-y', 'auto');
var w2 = $('div', div).innerWidth();
$(div).remove();
if (scrollbarWidth)
return scrollbarWidth;
var div = $('<div style="width:50px;height:50px;overflow:hidden;position:absolute;top:-200px;left:-200px;"><div style="height:100px;"></div></div>');
$('body').append(div);
var w1 = $('div', div).outerWidth();
div.css('overflow-y', 'auto');
var w2 = $('div', div).outerWidth();
$(div).remove();
scrollbarWidth = (w1 - w2);
return scrollbarWidth;
}

$.fn.tableScroll = function(options)
$.fn.tableScroll = function (options)
{
if (options == 'undo')
{
var container = $(this).parent().parent();
if (container.hasClass('tablescroll_wrapper'))
if (container.hasClass('tablescroll_wrapper'))
{
container.find('.tablescroll_head thead').prependTo(this);
container.find('.tablescroll_foot tfoot').appendTo(this);
Expand All @@ -60,129 +52,121 @@ OTHER DEALINGS IN THE SOFTWARE.
}
return;
}

var settings = $.extend({},$.fn.tableScroll.defaults,options);

var settings = $.extend({}, $.fn.tableScroll.defaults, options);
// Bail out if there's no vertical overflow
//if ($(this).height() <= settings.height)
//{
// return this;
// return this;
//}

settings.scrollbarWidth = getScrollbarWidth();

this.each(function()
this.each(function ()
{
var flush = settings.flush;

var oriClass = $(this).attr('class');
var tb = $(this).addClass('tablescroll_body');

// find or create the wrapper div (allows tableScroll to be re-applied)
var wrapper;
if (tb.parent().hasClass('tablescroll_wrapper')) {
wrapper = tb.parent();
}
else {
wrapper = $('<div class="tablescroll_wrapper"></div>').insertBefore(tb).append(tb);
}

// check for a predefined container
// find or create the wrapper div (allows tableScroll to be re-applied)
var wrapper;
if (tb.parent().hasClass('tablescroll_wrapper')) {
wrapper = tb.parent();
}
else {
wrapper = $('<div class="tablescroll_wrapper"></div>').insertBefore(tb).append(tb);
}
// check for a predefined container
if (!wrapper.parent('div').hasClass(settings.containerClass))
{
$('<div></div>').addClass(settings.containerClass).insertBefore(wrapper).append(wrapper);
}

var width = settings.width ? settings.width : tb.outerWidth();

wrapper.css
({
'width': width+'px',
'height': settings.height+'px',
'overflow': 'auto'
});

tb.css('width',width+'px');

({
'width': width + 'px',
'height': settings.height + 'px',
'overflow': 'auto'
});
tb.css('width', width + 'px');
// with border difference
var wrapper_width = wrapper.outerWidth();
var diff = wrapper_width-width;

var diff = wrapper_width - width;
// assume table will scroll
wrapper.css({width:((width-diff)+settings.scrollbarWidth)+'px'});
tb.css('width',(width-diff)+'px');

wrapper.css({width: ((width - diff) + settings.scrollbarWidth) + 'px'});
tb.css('width', (width - diff) + 'px');
if (tb.outerHeight() <= settings.height)
{
wrapper.css({height:'auto',width:(width-diff)+'px'});
wrapper.css({height: 'auto', width: (width - diff) + 'px'});
flush = false;
}

// using wrap does not put wrapper in the DOM right
// using wrap does not put wrapper in the DOM right
// away making it unavailable for use during runtime
// tb.wrap(wrapper);

// possible speed enhancements
var has_thead = $('thead',tb).length ? true : false ;
var has_tfoot = $('tfoot',tb).length ? true : false ;
var thead_tr_first = $('thead tr:first',tb);
var tbody_tr_first = $('tbody tr:first',tb);
var tfoot_tr_first = $('tfoot tr:first',tb);

var has_thead = $('thead', tb).length ? true : false;
var has_tfoot = $('tfoot', tb).length ? true : false;
var thead_tr_first = $('thead tr:first', tb);
var tbody_tr_first = $('tbody tr:first', tb);
var tfoot_tr_first = $('tfoot tr:first', tb);
var tbody_tr = $('tbody tr', tb);
// remember width of last cell
var w = 0;

$('th, td',thead_tr_first).each(function(i)
{
w = $(this).width();

$('th:eq('+i+'), td:eq('+i+')',thead_tr_first).css('width',w+'px');
$('th:eq('+i+'), td:eq('+i+')',tbody_tr_first).css('width',w+'px');
if (has_tfoot) $('th:eq('+i+'), td:eq('+i+')',tfoot_tr_first).css('width',w+'px');
var aw = new Array();
$('th, td', tbody_tr_first).each(function (i){
aw[i] = $(this).width();
});

if (has_thead)
if (has_thead)
{
var tbh = $('<table class="tablescroll_head" cellspacing="0"></table>').insertBefore(wrapper).prepend($('thead',tb));
var tbh = $('<table class="tablescroll_head ' + oriClass + '" cellspacing="0"></table>').insertBefore(wrapper).prepend($('thead', tb));
}

if (has_tfoot)
if (has_tfoot)
{
var tbf = $('<table class="tablescroll_foot" cellspacing="0"></table>').insertAfter(wrapper).prepend($('tfoot',tb));
var tbf = $('<table class="tablescroll_foot ' + oriClass + '" cellspacing="0"></table>').insertAfter(wrapper).prepend($('tfoot', tb));
}
if (tbh != undefined)
{
tbh.css('width', width + 'px');
}

$('th, td', tbody_tr_first).each(function (i)
{
w = aw[i];
$('th:eq(' + i + '), td:eq(' + i + ')', thead_tr_first).css('width', w + 'px');
$('th:eq(' + i + '), td:eq(' + i + ')', tbody_tr).css('width', w + 'px');
if (has_tfoot)
$('th:eq(' + i + '), td:eq(' + i + ')', tfoot_tr_first).css('width', w + 'px');
pl = $(this).css('padding-left');
$('th:eq(' + i + '), td:eq(' + i + ')', thead_tr_first).css('padding-left', pl);
$('th:eq(' + i + '), td:eq(' + i + ')', tbody_tr).css('padding-left', pl);
pr = $(this).css('padding-right');
$('th:eq(' + i + '), td:eq(' + i + ')', thead_tr_first).css('padding-right', pr);
$('th:eq(' + i + '), td:eq(' + i + ')', tbody_tr).css('padding-right', pr);
});

if (tbh != undefined)
{
tbh.css('width',width+'px');

if (flush)
{
$('tr:first th:last, tr:first td:last',tbh).css('width',(w+settings.scrollbarWidth)+'px');
tbh.css('width',wrapper.outerWidth() + 'px');
$('tr:first th:last, tr:first td:last', tbh).css('width', (w + settings.scrollbarWidth) + 'px');
tbh.css('width', wrapper.outerWidth() + 'px');
}
}

if (tbf != undefined)
{
tbf.css('width',width+'px');

tbf.css('width', width + 'px');
if (flush)
{
$('tr:first th:last, tr:first td:last',tbf).css('width',(w+settings.scrollbarWidth)+'px');
tbf.css('width',wrapper.outerWidth() + 'px');
$('tr:first th:last, tr:first td:last', tbf).css('width', (w + settings.scrollbarWidth) + 'px');
tbf.css('width', wrapper.outerWidth() + 'px');
}
}
});

return this;
};

// public
// public
$.fn.tableScroll.defaults =
{
flush: true, // makes the last thead and tbody column flush with the scrollbar
width: null, // width of the table (head, body and foot), null defaults to the tables natural width
height: 100, // height of the scrollable area
containerClass: 'tablescroll' // the plugin wraps the table in a div with this css class
};

{
flush: true, // makes the last thead and tbody column flush with the scrollbar
width: null, // width of the table (head, body and foot), null defaults to the tables natural width
height: 100, // height of the scrollable area
containerClass: 'tablescroll' // the plugin wraps the table in a div with this css class
};
})(jQuery);