jqDnR bug 解决

/* * jqDnR - Minimalistic Drag'n'Resize for jQuery. * * Copyright (c) 2007 Brice Burgess <[e-mail]>, http://www.iceburg.net * Licensed under the MIT License: * http://www.opensource.org/licenses/mit-license.php * * $Version: 2007.08.19 +r2 * last modified by gavin 2010.01.23 * fix bug: IE6/7/8 position bug * last modified by gavin 2010.01.29 * fix bug with jquery 1.4 */ (function($){ $.fn.jqDrag=function(h){return i(this,h,'d');}; $.fn.jqResize=function(h){return i(this,h,'r');}; $.jqDnR={dnr:{},e:0, drag:function(v){ if(M.k == 'd')E.css({left:M.X+v.pageX-M.pX,top:M.Y+v.pageY-M.pY}); else E.css({width:Math.max(v.pageX-M.pX+M.W,0),height:Math.max(v.pageY-M.pY+M.H,0)}); return false;}, stop:function(){E.css('opacity',M.o);$(document).unbind('mousemove',J.drag).unbind('mouseup',J.stop);} }; var J=$.jqDnR,M=J.dnr,E=J.e, i=function(e,h,k){return e.each(function(){h=(h)?$(h,e):e; h.bind('mousedown',{e:e,k:k},function(v){var d=v.data,p={};E=d.e; // attempt utilization of dimensions plugin to fix IE issues if(E.css('position') != 'relative') { p=E.position(); if(!($.browser.msie&&($.browser.version == "6.0"))&&(E.css('position')== 'fixed')) { p.top-=$(window).scrollTop();p.left-=$(window).scrollLeft() } } M={X:p.left||f('left')||0,Y:p.top||f('top')||0,W:f('width')||E[0].scrollWidth||0,H:f('height')||E[0].scrollHeight||0,pX:v.pageX,pY:v.pageY,k:d.k,o:E.css('opacity')}; E.css({opacity:0.8});$(document).mousemove($.jqDnR.drag).mouseup($.jqDnR.stop); return false; }); });}, f=function(k){return parseInt(E.css(k))||false;}; })(jQuery);

 

jqDnR 是常用的jquery 插件，废话不多说，主要修正了jqDnR在不同IE下的定位问题，以及最新jquery1.4下的问题，jquery1.4下失效，主要是由于$()，在之前版本jq中,等价于$(document),1.4中返回空集合，所以把$()改为$(document)即可