root / trunk / web / dojo / dijit / form / Textarea.js
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dijit.form.Textarea"]){ |
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| 9 | dojo._hasResource["dijit.form.Textarea"]=true; |
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| 10 | dojo.provide("dijit.form.Textarea");
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| 11 | dojo.require("dijit.form.SimpleTextarea");
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| 12 | dojo.declare("dijit.form.Textarea",dijit.form.SimpleTextarea,{cols:"",_previousNewlines:0,_strictMode:(dojo.doc.compatMode!="BackCompat"),_getHeight:function(_1){ |
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| 13 | var _2=_1.scrollHeight;
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| 14 | if(dojo.isIE){
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| 15 | _2+=_1.offsetHeight-_1.clientHeight-((dojo.isIE<8&&this._strictMode)?dojo._getPadBorderExtents(_1).h:0); |
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| 16 | }else{
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| 17 | if(dojo.isMoz){
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| 18 | _2+=_1.offsetHeight-_1.clientHeight; |
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| 19 | }else{
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| 20 | if(dojo.isWebKit&&!(dojo.isSafari<4)){ |
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| 21 | _2+=dojo._getBorderExtents(_1).h; |
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| 22 | }else{
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| 23 | _2+=dojo._getPadBorderExtents(_1).h; |
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| 24 | } |
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| 25 | } |
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| 26 | } |
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| 27 | return _2;
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| 28 | },_estimateHeight:function(_3){ |
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| 29 | _3.style.maxHeight="";
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| 30 | _3.style.height="auto";
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| 31 | _3.rows=(_3.value.match(/\n/g)||[]).length+1; |
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| 32 | },_needsHelpShrinking:dojo.isMoz||dojo.isWebKit,_onInput:function(){ |
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| 33 | this.inherited(arguments); |
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| 34 | if(this._busyResizing){ |
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| 35 | return;
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| 36 | } |
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| 37 | this._busyResizing=true; |
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| 38 | var _4=this.textbox; |
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| 39 | if(_4.scrollHeight&&_4.offsetHeight&&_4.clientHeight){
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| 40 | var _5=this._getHeight(_4)+"px"; |
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| 41 | if(_4.style.height!=_5){
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| 42 | _4.style.maxHeight=_4.style.height=_5; |
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| 43 | } |
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| 44 | if(this._needsHelpShrinking){ |
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| 45 | if(this._setTimeoutHandle){ |
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| 46 | clearTimeout(this._setTimeoutHandle);
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| 47 | } |
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| 48 | this._setTimeoutHandle=setTimeout(dojo.hitch(this,"_shrink"),0); |
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| 49 | } |
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| 50 | }else{
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| 51 | this._estimateHeight(_4);
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| 52 | } |
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| 53 | this._busyResizing=false; |
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| 54 | },_busyResizing:false,_shrink:function(){ |
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| 55 | this._setTimeoutHandle=null; |
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| 56 | if(this._needsHelpShrinking&&!this._busyResizing){ |
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| 57 | this._busyResizing=true; |
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| 58 | var _6=this.textbox; |
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| 59 | var _7=false; |
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| 60 | if(_6.value==""){ |
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| 61 | _6.value=" ";
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| 62 | _7=true;
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| 63 | } |
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| 64 | var _8=_6.scrollHeight;
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| 65 | if(!_8){
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| 66 | this._estimateHeight(_6);
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| 67 | }else{
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| 68 | var _9=_6.style.paddingBottom;
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| 69 | var _a=dojo._getPadExtents(_6);
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| 70 | _a=_a.h-_a.t; |
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| 71 | _6.style.paddingBottom=_a+1+"px"; |
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| 72 | var _b=this._getHeight(_6)-1+"px"; |
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| 73 | if(_6.style.maxHeight!=_b){
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| 74 | _6.style.paddingBottom=_a+_8+"px";
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| 75 | _6.scrollTop=0;
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| 76 | _6.style.maxHeight=this._getHeight(_6)-_8+"px"; |
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| 77 | } |
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| 78 | _6.style.paddingBottom=_9; |
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| 79 | } |
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| 80 | if(_7){
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| 81 | _6.value="";
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| 82 | } |
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| 83 | this._busyResizing=false; |
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| 84 | } |
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| 85 | },resize:function(){ |
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| 86 | this._onInput();
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| 87 | },_setValueAttr:function(){ |
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| 88 | this.inherited(arguments); |
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| 89 | this.resize();
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| 90 | },postCreate:function(){ |
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| 91 | this.inherited(arguments); |
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| 92 | dojo.style(this.textbox,{overflowY:"hidden",overflowX:"auto",boxSizing:"border-box",MsBoxSizing:"border-box",WebkitBoxSizing:"border-box",MozBoxSizing:"border-box"}); |
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| 93 | this.connect(this.textbox,"onscroll",this._onInput); |
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| 94 | this.connect(this.textbox,"onresize",this._onInput); |
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| 95 | this.connect(this.textbox,"onfocus",this._onInput); |
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| 96 | this._setTimeoutHandle=setTimeout(dojo.hitch(this,"resize"),0); |
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| 97 | },uninitialize:function(){ |
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| 98 | if(this._setTimeoutHandle){ |
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| 99 | clearTimeout(this._setTimeoutHandle);
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| 100 | } |
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| 101 | this.inherited(arguments); |
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| 102 | }}); |
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| 103 | } |