2 lines
11 KiB
JavaScript
2 lines
11 KiB
JavaScript
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/* Copyright (c) 2006, Yahoo! Inc. All rights reserved. Code licensed under the BSD License: http://developer.yahoo.net/yui/license.txt Version: 0.11.1 */ YAHOO.util.Dom=function(){var ua=navigator.userAgent.toLowerCase();var isOpera=(ua.indexOf('opera')>-1);var isSafari=(ua.indexOf('safari')>-1);var isIE=(window.ActiveXObject);var id_counter=0;var util=YAHOO.util;var property_cache={};var toCamel=function(property){var convert=function(prop){var test=/(-[a-z])/i.exec(prop);return prop.replace(RegExp.$1,RegExp.$1.substr(1).toUpperCase());};while(property.indexOf('-')>-1){property=convert(property);}return property;};var toHyphen=function(property){if(property.indexOf('-')>-1){return property;}var converted='';for(var i=0,len=property.length;i<len;++i){if(property.charAt(i)==property.charAt(i).toUpperCase()){converted=converted+'-'+property.charAt(i).toLowerCase();}else{converted=converted+property.charAt(i);}}return converted;};var cacheConvertedProperties=function(property){property_cache[property]={camel:toCamel(property),hyphen:toHyphen(property)};};return{get:function(el){if(!el){return null;}if(typeof el!='string'&&!(el instanceof Array)){return el;}if(typeof el=='string'){return document.getElementById(el);}else{var collection=[];for(var i=0,len=el.length;i<len;++i){collection[collection.length]=util.Dom.get(el[i]);}return collection;}return null;},getStyle:function(el,property){var f=function(el){var value=null;var dv=document.defaultView;if(!property_cache[property]){cacheConvertedProperties(property);}var camel=property_cache[property]['camel'];var hyphen=property_cache[property]['hyphen'];if(property=='opacity'&&el.filters){value=1;try{value=el.filters.item('DXImageTransform.Microsoft.Alpha').opacity/100;}catch(e){try{value=el.filters.item('alpha').opacity/100;}catch(e){}}}else if(el.style[camel]){value=el.style[camel];}else if(isIE&&el.currentStyle&&el.currentStyle[camel]){value=el.currentStyle[camel];}else if(dv&&dv.getComputedStyle){var computed=dv.getComputedStyle(el,'');if(computed&&computed.getPropertyValue(hyphen)){value=computed.getPropertyValue(hyphen);}}return value;};return util.Dom.batch(el,f,util.Dom,true);},setStyle:function(el,property,val){if(!property_cache[property]){cacheConvertedProperties(property);}var camel=property_cache[property]['camel'];var f=function(el){switch(property){case'opacity':if(isIE&&typeof el.style.filter=='string'){el.style.filter='alpha(opacity='+val*100+')';if(!el.currentStyle||!el.currentStyle.hasLayout){el.style.zoom=1;}}else{el.style.opacity=val;el.style['-moz-opacity']=val;el.style['-khtml-opacity']=val;}break;default:el.style[camel]=val;}};util.Dom.batch(el,f,util.Dom,true);},getXY:function(el){var f=function(el){if(el.offsetParent===null||this.getStyle(el,'display')=='none'){return false;}var parentNode=null;var pos=[];var box;if(el.getBoundingClientRect){box=el.getBoundingClientRect();var doc=document;if(!this.inDocument(el)&&parent.document!=document){doc=parent.document;if(!this.isAncestor(doc.documentElement,el)){return false;}}var scrollTop=Math.max(doc.documentElement.scrollTop,doc.body.scrollTop);var scrollLeft=Math.max(doc.documentElement.scrollLeft,doc.body.scrollLeft);return[box.left+scrollLeft,box.top+scrollTop];}else{pos=[el.offsetLeft,el.offsetTop];parentNode=el.offsetParent;if(parentNode!=el){while(parentNode){pos[0]+=parentNode.offsetLeft;pos[1]+=parentNode.offsetTop;parentNode=parentNode.offsetParent;}}if(isSafari&&this.getStyle(el,'position')=='absolute'){pos[0]-=document.body.offsetLeft;pos[1]-=document.body.offsetTop;}}if(el.parentNode){parentNode=el.parentNode;}else{parentNode=null;}while(parentNode&&parentNode.tagName.toUpperCase()!='BODY'&&parentNode.tagName.toUpperCase()!='HTML'){pos[0]-=parentNode.scrollLeft;pos[1]-=parentNode.scrollTop;if(parentNode.parentNode){parentNode=parentNode.parentNode;}else{parentNode=null;}}return pos;};return util.Dom.batch(el,f,util.Dom,true);},getX:function(el){return util.Dom.getXY(el)[0];},getY:function(el){return util.Dom.getXY(el)[1];},setXY:function(el,pos,noRetry){var f=function(el){var style_pos=this.
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