2013-03-18 06:26:24 +00:00
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define("dijit/form/_ExpandingTextAreaMixin",["dojo/_base/declare","dojo/dom-construct","dojo/has","dojo/_base/lang","dojo/on","dojo/_base/window","../Viewport"],function(_1,_2,_3,_4,on,_5,_6){_3.add("textarea-needs-help-shrinking",function(){var _7=_5.body(),te=_2.create("textarea",{rows:"5",cols:"20",value:" ",style:{zoom:1,fontSize:"12px",height:"96px",overflow:"hidden",visibility:"hidden",position:"absolute",border:"5px solid white",margin:"0",padding:"0",boxSizing:"border-box",MsBoxSizing:"border-box",WebkitBoxSizing:"border-box",MozBoxSizing:"border-box"}},_7,"last");var _8=te.scrollHeight>=te.clientHeight;_7.removeChild(te);return _8;});return _1("dijit.form._ExpandingTextAreaMixin",null,{_setValueAttr:function(){this.inherited(arguments);this.resize();},postCreate:function(){this.inherited(arguments);var _9=this.textbox;_9.style.overflowY="hidden";this.own(on(_9,"focus, resize",_4.hitch(this,"_resizeLater")));},startup:function(){this.inherited(arguments);this.own(_6.on("resize",_4.hitch(this,"_resizeLater")));this._resizeLater();},_onInput:function(e){this.inherited(arguments);this.resize();},_estimateHeight:function(){var _a=this.textbox;_a.rows=(_a.value.match(/\n/g)||[]).length+1;},_resizeLater:function(){this.defer("resize");},resize:function(){var _b=this.textbox;function _c(){var _d=false;if(_b.value===""){_b.value=" ";_d=true;}var sh=_b.scrollHeight;if(_d){_b.value="";}return sh;};if(_b.style.overflowY=="hidden"){_b.scrollTop=0;}if(this.busyResizing){return;}this.busyResizing=true;if(_c()||_b.offsetHeight){var _e=_c()+Math.max(_b.offsetHeight-_b.clientHeight,0);var _f=_e+"px";if(_f!=_b.style.height){_b.style.height=_f;_b.rows=1;}if(_3("textarea-needs-help-shrinking")){var _10=_c(),_11=_10,_12=_b.style.minHeight,_13=4,_14,_15=_b.scrollTop;_b.style.minHeight=_f;_b.style.height="auto";while(_e>0){_b.style.minHeight=Math.max(_e-_13,4)+"px";_14=_c();var _16=_11-_14;_e-=_16;if(_16<_13){break;}_11=_14;_13<<=1;}_b.style.height=_e+"px";_b.style.minHeight=_12;_b.scrollTop=_15;}_b.style.overflowY=_c()>_b.clientHeight?"auto":"hidden";if(_b.style.overflowY=="hidden"){_b.scrollTop=0;}}else{this._estimateHeight();}this.busyResizing=false;}});});
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