Ext.form.TextArea=Ext.extend(Ext.form.TextField,{growMin:60,growMax:1000,growAppend:"&#160;\n&#160;",growPad:0,enterIsSpecial:false,preventScrollbars:false,onRender:function(b,a){if(!this.el){this.defaultAutoCreate={tag:"textarea",style:"width:100px;height:60px;",autocomplete:"off"}}Ext.form.TextArea.superclass.onRender.call(this,b,a);if(this.grow){this.textSizeEl=Ext.DomHelper.append(document.body,{tag:"pre",cls:"x-form-grow-sizer"});if(this.preventScrollbars){this.el.setStyle("overflow","hidden")}this.el.setHeight(this.growMin)}},onDestroy:function(){if(this.textSizeEl){Ext.removeNode(this.textSizeEl)}Ext.form.TextArea.superclass.onDestroy.call(this)},fireKey:function(a){if(a.isSpecialKey()&&(this.enterIsSpecial||(a.getKey()!=a.ENTER||a.hasModifier()))){this.fireEvent("specialkey",this,a)}},onKeyUp:function(a){if(!a.isNavKeyPress()||a.getKey()==a.ENTER){this.autoSize()}Ext.form.TextArea.superclass.onKeyUp.call(this,a)},autoSize:function(){if(!this.grow||!this.textSizeEl){return}var c=this.el;var a=c.dom.value;var d=this.textSizeEl;d.innerHTML="";d.appendChild(document.createTextNode(a));a=d.innerHTML;Ext.fly(d).setWidth(this.el.getWidth());if(a.length<1){a="&#160;&#160;"}else{if(Ext.isIE){a=a.replace(/\n/g,"<p>&#160;</p>")}a+=this.growAppend}d.innerHTML=a;var b=Math.min(this.growMax,Math.max(d.offsetHeight,this.growMin)+this.growPad);if(b!=this.lastHeight){this.lastHeight=b;this.el.setHeight(b);this.fireEvent("autosize",this,b)}}});Ext.reg("textarea",Ext.form.TextArea);