Created
March 19, 2009 16:45
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// +---------------------------------------------+ | |
// | jQuery plugin scrollTable | | |
// +---------------------------------------------+ | |
// | @author: Juarez Gonçalves Nery Junior | | |
// | @email: juareznjunior@gmail.com | | |
// +---------------------------------------------+ | |
// | <div id="myScroll"> | | |
// | <table>(..)</table> | | |
// | </div> | | |
// | $('div#myScroll').scrollTable({height:200}) | | |
// +---------------------------------------------+ | |
;(function($){ | |
$.fn.scrollTable = function(options){ | |
var options = $.extend({},options); | |
// options | |
// height = int | |
// onComplete = function(){} | |
return this.each(function(){ | |
var $self = $(this),selfDOM = this; | |
if (!$self.hasClass('hasGrid')) { | |
var $TABLE = $self.find('table').width('100%'); | |
if (0 == $TABLE.length) { | |
return; | |
} | |
$self.addClass('hasGrid').width('100%'); | |
var divHeader = document.createElement('div'),divFooter = document.createElement('div'); | |
$(divHeader).addClass('divHeader').width('100%').append('<table><thead></thead></table>').insertBefore(selfDOM); | |
var attrTable = { | |
cellSpacing: $TABLE.get(0).cellSpacing||'', | |
cellPadding: $TABLE.get(0).cellPadding||'' | |
}; | |
var $TABLE_THEAD = $TABLE.find('thead'),$TABLE_TFOOT = $TABLE.find('tfoot'); | |
var $TABLE_FOOTER_TFOOT = null; | |
if ($TABLE_TFOOT.length) { | |
$(divFooter).addClass('divFooter').width('100%').append('<table><tfoot></tfoot></table>').insertAfter(selfDOM); | |
var $divFooter = $(divFooter); | |
$TABLE_FOOTER_TFOOT = $divFooter.find('table').attr(attrTable).css({width:'100%'}).find('tfoot'); | |
} | |
var $divHeader = $(divHeader); | |
var cpt = $('caption',$TABLE[0]); | |
var $TABLE_HEADER_THEAD = $divHeader.find('table').map(function(){ | |
return ((cpt.length) ? $(this).append(cpt).get() : this); | |
}).attr(attrTable).css({width:'100%'}).find('thead'); | |
var create = function(hf) { | |
var $elem = (hf=='header') ? $TABLE_THEAD : $TABLE_TFOOT | |
,$append = (hf=='header') ? $TABLE_HEADER_THEAD : $TABLE_FOOTER_TFOOT | |
,$tr = $elem.find('tr'); | |
if ($tr.length) { | |
$tr.each(function(){ | |
var selfTR = this; | |
var tr = document.createElement('tr'),th = document.createElement('th'); | |
$(th).addClass('thScroll').css('width',12).appendTo(selfTR); | |
$(selfTR).find('th').each(function(){ | |
var selfTH = this; | |
var css = { | |
width : $(selfTH).width(), | |
backgroundColor : $(selfTH).css('backgroundColor') | |
}, | |
attr = { | |
rowSpan: selfTH.rowSpan, | |
colSpan: selfTH.colSpan | |
}; | |
$(selfTH).clone(true).css(css).attr(attr).appendTo(tr); | |
}); | |
$(tr).appendTo($append); | |
}); | |
if (!$.browser.msie) { | |
$TABLE_THEAD.find('.thScroll').remove(); | |
$TABLE_TFOOT.find('.thScroll').remove(); | |
} | |
if (hf=='footer') { | |
$TABLE_TFOOT.css('visibility',(($.browser.msie) ? 'hidden' : 'collapse' )).find('.thScroll').remove(); | |
} | |
} | |
}; | |
create('header'); | |
create('footer'); | |
$self.css({ | |
height: ('undefined' == typeof options.height) ? 200 : options.height, | |
overflowY: 'scroll',overflowX: 'hidden' | |
}); | |
$divHeader.css({width:$self.width()}); | |
var marginTop = 0; | |
$TABLE_THEAD.each(function(){ | |
marginTop += parseInt($(this).height()) | |
}); | |
$TABLE.css({marginTop: parseInt(marginTop+ 2)*(-1)}); | |
if ($.isFunction(options.onComplete)) { | |
// @param div selector $('#myDiv').scrollTable(); DOM | |
// @param div select > table - original table DOM | |
// @param div selector > div.divHeader DOM | |
// @param div selector > div.divFooter DOM | |
var _tfoot = ('null' === $TABLE_FOOTER_TFOOT) ? $TABLE_FOOTER_TFOOT.parent().get(0) : null; | |
options.onComplete.call(selfDOM,$TABLE.get(0),$TABLE_HEADER_THEAD.parent().get(0),_tfoot); | |
} | |
}; | |
}); | |
}; | |
})(jQuery); |
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