root / trunk / web / dojo / dijit / form / Textarea.js @ 9
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/*
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Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dijit.form.Textarea"]){ |
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dojo._hasResource["dijit.form.Textarea"]=true; |
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dojo.provide("dijit.form.Textarea");
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dojo.require("dijit.form.SimpleTextarea");
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dojo.declare("dijit.form.Textarea",dijit.form.SimpleTextarea,{cols:"",_previousNewlines:0,_strictMode:(dojo.doc.compatMode!="BackCompat"),_getHeight:function(_1){ |
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var _2=_1.scrollHeight;
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if(dojo.isIE){
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_2+=_1.offsetHeight-_1.clientHeight-((dojo.isIE<8&&this._strictMode)?dojo._getPadBorderExtents(_1).h:0); |
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}else{
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if(dojo.isMoz){
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_2+=_1.offsetHeight-_1.clientHeight; |
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}else{
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if(dojo.isWebKit&&!(dojo.isSafari<4)){ |
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_2+=dojo._getBorderExtents(_1).h; |
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}else{
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_2+=dojo._getPadBorderExtents(_1).h; |
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} |
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} |
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} |
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return _2;
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},_estimateHeight:function(_3){ |
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_3.style.maxHeight="";
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_3.style.height="auto";
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_3.rows=(_3.value.match(/\n/g)||[]).length+1; |
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},_needsHelpShrinking:dojo.isMoz||dojo.isWebKit,_onInput:function(){ |
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this.inherited(arguments); |
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if(this._busyResizing){ |
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return;
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} |
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this._busyResizing=true; |
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var _4=this.textbox; |
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if(_4.scrollHeight&&_4.offsetHeight&&_4.clientHeight){
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var _5=this._getHeight(_4)+"px"; |
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if(_4.style.height!=_5){
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_4.style.maxHeight=_4.style.height=_5; |
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} |
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if(this._needsHelpShrinking){ |
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if(this._setTimeoutHandle){ |
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clearTimeout(this._setTimeoutHandle);
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} |
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this._setTimeoutHandle=setTimeout(dojo.hitch(this,"_shrink"),0); |
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} |
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}else{
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this._estimateHeight(_4);
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} |
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this._busyResizing=false; |
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},_busyResizing:false,_shrink:function(){ |
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this._setTimeoutHandle=null; |
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if(this._needsHelpShrinking&&!this._busyResizing){ |
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this._busyResizing=true; |
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var _6=this.textbox; |
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var _7=false; |
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if(_6.value==""){ |
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_6.value=" ";
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_7=true;
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} |
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var _8=_6.scrollHeight;
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if(!_8){
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this._estimateHeight(_6);
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}else{
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var _9=_6.style.paddingBottom;
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var _a=dojo._getPadExtents(_6);
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_a=_a.h-_a.t; |
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_6.style.paddingBottom=_a+1+"px"; |
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var _b=this._getHeight(_6)-1+"px"; |
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if(_6.style.maxHeight!=_b){
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_6.style.paddingBottom=_a+_8+"px";
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_6.scrollTop=0;
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_6.style.maxHeight=this._getHeight(_6)-_8+"px"; |
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} |
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_6.style.paddingBottom=_9; |
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} |
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if(_7){
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_6.value="";
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} |
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this._busyResizing=false; |
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} |
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},resize:function(){ |
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this._onInput();
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},_setValueAttr:function(){ |
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this.inherited(arguments); |
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this.resize();
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},postCreate:function(){ |
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this.inherited(arguments); |
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dojo.style(this.textbox,{overflowY:"hidden",overflowX:"auto",boxSizing:"border-box",MsBoxSizing:"border-box",WebkitBoxSizing:"border-box",MozBoxSizing:"border-box"}); |
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this.connect(this.textbox,"onscroll",this._onInput); |
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this.connect(this.textbox,"onresize",this._onInput); |
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this.connect(this.textbox,"onfocus",this._onInput); |
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this._setTimeoutHandle=setTimeout(dojo.hitch(this,"resize"),0); |
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},uninitialize:function(){ |
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if(this._setTimeoutHandle){ |
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clearTimeout(this._setTimeoutHandle);
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} |
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this.inherited(arguments); |
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}}); |
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} |