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📄 bidicomplex.js

📁 用最近的dojo1.2.1制作前端的ajax购书网站
💻 JS
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/*	Copyright (c) 2004-2008, The Dojo Foundation All Rights Reserved.	Available via Academic Free License >= 2.1 OR the modified BSD license.	see: http://dojotoolkit.org/license for details*/if(!dojo._hasResource["dojox.string.BidiComplex"]){dojo._hasResource["dojox.string.BidiComplex"]=true;dojo.provide("dojox.string.BidiComplex");dojo.experimental("dojox.string.BidiComplex");dojox.string.BidiComplex.attachInput=function(_1,_2){dojox.string.BidiComplex._ce_type=_2;_1.alt=dojox.string.BidiComplex._ce_type;if((document.dir=="rtl")||(document.body.dir=="rtl")){_1.style.textAlign="right";}if(dojo.isIE){_1.onkeydown=new Function("dojox.string.BidiComplex._ceKeyDown(event);");_1.onkeyup=new Function("dojox.string.BidiComplex._ceKeyUp(event);");}else{_1.onkeyup=dojox.string.BidiComplex._ceKeyUp;_1.onkeydown=dojox.string.BidiComplex._ceKeyDown;}_1.oncut=dojox.string.BidiComplex._fOnCut;_1.oncopy=dojox.string.BidiComplex._fOnCopy;_1.value=dojox.string.BidiComplex._insertMarkers(_1.value,_1.alt);};dojox.string.BidiComplex.createDisplayString=function(_3,_4){return dojox.string.BidiComplex._insertMarkers(_3,_4);};dojox.string.BidiComplex.stripSpecialCharacters=function(_5){return _5.replace(/[\u200E\u200F\u202A-\u202E]/g,"");};dojox.string.BidiComplex._segmentsPointers=[];dojox.string.BidiComplex._ce_type=null;dojox.string.BidiComplex._PATH=null;dojox.string.BidiComplex._insertAlways=false;dojox.string.BidiComplex._fOnCut=new Function("dojox.string.BidiComplex._ceCutText(this)");dojox.string.BidiComplex._fOnCopy=new Function("dojox.string.BidiComplex._ceCopyText(this);");dojox.string.BidiComplex._ceKeyDown=function(_6){obj=dojo.isIE?_6.srcElement:_6.target;str0=obj.value;};dojox.string.BidiComplex._ceKeyUp=function(_7){var _8="‎";obj=dojo.isIE?_7.srcElement:_7.target;str1=obj.value;if(obj.alt!=""){dojox.string.BidiComplex._ce_type=obj.alt;}ieKey=_7.keyCode;if((ieKey==dojo.keys.HOME)||(ieKey==dojo.keys.END)||(ieKey==dojo.keys.SHIFT)){return;}var _9,_a;var _b=dojox.string.BidiComplex._getCaretPos(_7,obj);if(_b){_9=_b[0];_a=_b[1];}if(dojo.isIE){var _c=_9,_d=_a;if(ieKey==dojo.keys.LEFT_ARROW){if((str1.charAt(_a-1)==_8)&&(_9==_a)){dojox.string.BidiComplex._setSelectedRange(obj,_9-1,_a-1);}return;}if(ieKey==dojo.keys.RIGHT_ARROW){if(str1.charAt(_a-1)==_8){_d=_a+1;if(_9==_a){_c=_9+1;}}dojox.string.BidiComplex._setSelectedRange(obj,_c,_d);return;}}else{if(ieKey==dojo.keys.LEFT_ARROW){if(str1.charAt(_a-1)==_8){dojox.string.BidiComplex._setSelectedRange(obj,_9-1,_a-1);}return;}if(ieKey==dojo.keys.RIGHT_ARROW){if(str1.charAt(_a-1)==_8){dojox.string.BidiComplex._setSelectedRange(obj,_9+1,_a+1);}return;}}str2=dojox.string.BidiComplex._insertMarkers(str1,obj.alt);if(str1!=str2){window.status=str1+" c="+_a;obj.value=str2;if((ieKey==dojo.keys.DELETE)&&(str2.charAt(_a)==_8)){obj.value=str2.substring(0,_a)+str2.substring(_a+2,str2.length);}if(ieKey==dojo.keys.DELETE){setSelectedRange(obj,_9,_a);}else{if(ieKey==dojo.keys.BACKSPACE){if(str0.charAt(_a-1)==_8){dojox.string.BidiComplex._setSelectedRange(obj,_9-1,_a-1);}else{dojox.string.BidiComplex._setSelectedRange(obj,_9,_a);}}else{if(obj.value.charAt(_a)!=_8){dojox.string.BidiComplex._setSelectedRange(obj,_9+1,_a+1);}}}}};dojox.string.BidiComplex._processCopy=function(_e,_f,_10){if(_f==null){if(dojo.isIE){range=document.selection.createRange();_f=range.text;}else{_f=_e.value.substring(_e.selectionStart,_e.selectionEnd);}}var _11=dojox.string.BidiComplex.stripSpecialCharacters(_f);if(dojo.isIE){window.clipboardData.setData("Text",_11);return true;}else{try{return window.SignedJs.processCopy(_11);}catch(e){return false;}}};dojox.string.BidiComplex._ceCopyText=function(obj){if(dojo.isIE){event.returnValue=false;}return dojox.string.BidiComplex._processCopy(obj,null,false);};dojox.string.BidiComplex._ceCutText=function(obj){var ret=dojox.string.BidiComplex._processCopy(obj,null,false);if(!ret){return false;}if(dojo.isIE){range=document.selection.clear();}else{var _15=obj.selectionStart;obj.value=obj.value.substring(0,_15)+obj.value.substring(obj.selectionEnd);obj.setSelectionRange(_15,_15);}return true;};dojox.string.BidiComplex._getCaretPos=function(_16,obj){if(dojo.isIE){var _18=0,_19=document.selection.createRange().duplicate(),_1a=_19.duplicate(),_1b=_19.text.length;if(obj.type=="textarea"){_1a.moveToElementText(obj);}else{_1a.expand("textedit");}while(_19.compareEndPoints("StartToStart",_1a)>0){_19.moveStart("character",-1);++_18;}return [_18,_18+_1b];}return [_16.target.selectionStart,_16.target.selectionEnd];};dojox.string.BidiComplex._setSelectedRange=function(obj,_1d,_1e){if(dojo.isIE){var _1f=obj.createTextRange();if(_1f){if(obj.type=="textarea"){_1f.moveToElementText(obj);}else{_1f.expand("textedit");}_1f.collapse();_1f.moveEnd("character",_1e);_1f.moveStart("character",_1d);_1f.select();}}else{obj.selectionStart=_1d;obj.selectionEnd=_1e;}};dojox.string.BidiComplex._isBidiChar=function(c){if(c>="0"&&c<="9"){return true;}return c>"ÿ";};dojox.string.BidiComplex._isLatinChar=function(c){return (c>="A"&&c<="Z")||(c>="a"&&c<="z");};dojox.string.BidiComplex._isCharBeforeBiDiChar=function(_22,i,_24){if(dojox.string.BidiComplex._insertAlways){return true;}while(i>0){if(i==_24){return false;}i--;if(dojox.string.BidiComplex._isBidiChar(_22.charAt(i))){return true;}if(dojox.string.BidiComplex._isLatinChar(_22.charAt(i))){return false;}}return false;};dojox.string.BidiComplex._parse=function(str,_26){var i,i1;var _29;var _2a=-1;if(dojox.string.BidiComplex._segmentsPointers!=null){for(i=0;i<dojox.string.BidiComplex._segmentsPointers.length;i++){dojox.string.BidiComplex._segmentsPointers[i]=null;}}var _2b=0;if(_26=="FILE_PATH"){_29="/\\:.";for(i=0;i<str.length;i++){if((_29.indexOf(str.charAt(i))>=0)&&dojox.string.BidiComplex._isCharBeforeBiDiChar(str,i,_2a)){_2a=i;dojox.string.BidiComplex._segmentsPointers[_2b++]=i;}}}else{if(_26=="URL"){var _2c=str.length;_29="/:.?=&#";for(i=0;i<_2c;i++){if((_29.indexOf(str.charAt(i))>=0)&&dojox.string.BidiComplex._isCharBeforeBiDiChar(str,i,_2a)){_2a=i;dojox.string.BidiComplex._segmentsPointers[_2b]=i;_2b++;}}}else{if(_26=="EMAIL"){_29="<>@.,;";var _2d=false;for(i=0;i<str.length;i++){if(str.charAt(i)=="\""){if(dojox.string.BidiComplex._isCharBeforeBiDiChar(str,i,_2a)){_2a=i;dojox.string.BidiComplex._segmentsPointers[_2b]=i;_2b++;}i++;i1=str.indexOf("\"",i);if(i1>=i){i=i1;}if(dojox.string.BidiComplex._isCharBeforeBiDiChar(str,i,_2a)){_2a=i;dojox.string.BidiComplex._segmentsPointers[_2b]=i;_2b++;}}if((_29.indexOf(str.charAt(i))>=0)&&dojox.string.BidiComplex._isCharBeforeBiDiChar(str,i,_2a)){_2a=i;dojox.string.BidiComplex._segmentsPointers[_2b]=i;_2b++;}}}else{if(_26=="XPATH"){_29="/\\:.<>=[]";for(i=0;i<str.length;i++){if((_29.indexOf(str.charAt(i))>=0)&&dojox.string.BidiComplex._isCharBeforeBiDiChar(str,i,_2a)){_2a=i;dojox.string.BidiComplex._segmentsPointers[_2b]=i;_2b++;}}}}}}return dojox.string.BidiComplex._segmentsPointers;};dojox.string.BidiComplex._insertMarkers=function(str,_2f){str=dojox.string.BidiComplex.stripSpecialCharacters(str);dojox.string.BidiComplex._segmentsPointers=dojox.string.BidiComplex._parse(str,_2f);var buf="‪"+str;var _31=1;var n;for(i=0;i<dojox.string.BidiComplex._segmentsPointers.length;i++){n=dojox.string.BidiComplex._segmentsPointers[i];if(n!=null){preStr=buf.substring(0,n+_31);postStr=buf.substring(n+_31,buf.length);buf=preStr+"‎"+postStr;_31++;}}return buf;};}

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