root / trunk / web / dojo / dojox / string / BidiComplex.js
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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["dojox.string.BidiComplex"]){ |
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dojo._hasResource["dojox.string.BidiComplex"]=true; |
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dojo.provide("dojox.string.BidiComplex");
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dojo.experimental("dojox.string.BidiComplex");
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(function(){
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var _1=[];
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dojox.string.BidiComplex.attachInput=function(_2,_3){ |
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_2.alt=_3; |
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dojo.connect(_2,"onkeydown",this,"_ceKeyDown"); |
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dojo.connect(_2,"onkeyup",this,"_ceKeyUp"); |
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dojo.connect(_2,"oncut",this,"_ceCutText"); |
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dojo.connect(_2,"oncopy",this,"_ceCopyText"); |
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_2.value=dojox.string.BidiComplex.createDisplayString(_2.value,_2.alt); |
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}; |
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dojox.string.BidiComplex.createDisplayString=function(_4,_5){ |
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_4=dojox.string.BidiComplex.stripSpecialCharacters(_4); |
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var _6=dojox.string.BidiComplex._parse(_4,_5);
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var _7=""+_4; |
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var _8=1; |
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dojo.forEach(_6,function(n){
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if(n!=null){ |
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var _9=_7.substring(0,n+_8); |
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var _a=_7.substring(n+_8,_7.length);
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_7=_9+""+_a;
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_8++; |
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} |
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}); |
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return _7;
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}; |
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dojox.string.BidiComplex.stripSpecialCharacters=function(_b){ |
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return _b.replace(/[\u200E\u200F\u202A-\u202E]/g,""); |
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}; |
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dojox.string.BidiComplex._ceKeyDown=function(_c){ |
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var _d=dojo.isIE?_c.srcElement:_c.target;
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_1=_d.value; |
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}; |
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dojox.string.BidiComplex._ceKeyUp=function(_e){ |
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var _f=""; |
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var _10=dojo.isIE?_e.srcElement:_e.target;
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var _11=_10.value;
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var _12=_e.keyCode;
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if((_12==dojo.keys.HOME)||(_12==dojo.keys.END)||(_12==dojo.keys.SHIFT)){
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return;
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} |
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var _13,_14;
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var _15=dojox.string.BidiComplex._getCaretPos(_e,_10);
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if(_15){
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_13=_15[0];
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_14=_15[1];
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} |
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if(dojo.isIE){
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var _16=_13,_17=_14;
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if(_12==dojo.keys.LEFT_ARROW){
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if((_11.charAt(_14-1)==_f)&&(_13==_14)){ |
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dojox.string.BidiComplex._setSelectedRange(_10,_13-1,_14-1); |
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} |
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return;
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} |
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if(_12==dojo.keys.RIGHT_ARROW){
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if(_11.charAt(_14-1)==_f){ |
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_17=_14+1;
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if(_13==_14){
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_16=_13+1;
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} |
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} |
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dojox.string.BidiComplex._setSelectedRange(_10,_16,_17); |
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return;
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} |
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}else{
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if(_12==dojo.keys.LEFT_ARROW){
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if(_11.charAt(_14-1)==_f){ |
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dojox.string.BidiComplex._setSelectedRange(_10,_13-1,_14-1); |
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} |
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return;
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} |
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if(_12==dojo.keys.RIGHT_ARROW){
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if(_11.charAt(_14-1)==_f){ |
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dojox.string.BidiComplex._setSelectedRange(_10,_13+1,_14+1); |
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} |
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return;
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} |
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} |
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var _18=dojox.string.BidiComplex.createDisplayString(_11,_10.alt);
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if(_11!=_18){
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window.status=_11+" c="+_14;
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_10.value=_18; |
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if((_12==dojo.keys.DELETE)&&(_18.charAt(_14)==_f)){
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_10.value=_18.substring(0,_14)+_18.substring(_14+2,_18.length); |
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} |
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if(_12==dojo.keys.DELETE){
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dojox.string.BidiComplex._setSelectedRange(_10,_13,_14); |
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}else{
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if(_12==dojo.keys.BACKSPACE){
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if((_1.length>=_14)&&(_1.charAt(_14-1)==_f)){ |
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dojox.string.BidiComplex._setSelectedRange(_10,_13-1,_14-1); |
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}else{
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dojox.string.BidiComplex._setSelectedRange(_10,_13,_14); |
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} |
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}else{
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if(_10.value.charAt(_14)!=_f){
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dojox.string.BidiComplex._setSelectedRange(_10,_13+1,_14+1); |
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} |
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} |
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} |
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} |
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}; |
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dojox.string.BidiComplex._processCopy=function(_19,_1a,_1b){ |
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if(_1a==null){ |
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if(dojo.isIE){
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var _1c=document.selection.createRange();
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_1a=_1c.text; |
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}else{
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_1a=_19.value.substring(_19.selectionStart,_19.selectionEnd); |
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} |
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} |
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var _1d=dojox.string.BidiComplex.stripSpecialCharacters(_1a);
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if(dojo.isIE){
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window.clipboardData.setData("Text",_1d);
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} |
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return true; |
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}; |
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dojox.string.BidiComplex._ceCopyText=function(_1e){ |
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if(dojo.isIE){
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_1e.returnValue=false;
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} |
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return dojox.string.BidiComplex._processCopy(_1e,null,false); |
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}; |
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dojox.string.BidiComplex._ceCutText=function(_1f){ |
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var ret=dojox.string.BidiComplex._processCopy(_1f,null,false); |
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if(!ret){
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return false; |
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} |
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if(dojo.isIE){
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document.selection.clear(); |
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}else{
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var _20=_1f.selectionStart;
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_1f.value=_1f.value.substring(0,_20)+_1f.value.substring(_1f.selectionEnd);
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_1f.setSelectionRange(_20,_20); |
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} |
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return true; |
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}; |
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dojox.string.BidiComplex._getCaretPos=function(_21,_22){ |
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if(dojo.isIE){
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var _23=0,_24=document.selection.createRange().duplicate(),_25=_24.duplicate(),_26=_24.text.length; |
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if(_22.type=="textarea"){ |
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_25.moveToElementText(_22); |
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}else{
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_25.expand("textedit");
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} |
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while(_24.compareEndPoints("StartToStart",_25)>0){ |
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_24.moveStart("character",-1); |
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++_23; |
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} |
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return [_23,_23+_26];
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} |
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return [_21.target.selectionStart,_21.target.selectionEnd];
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}; |
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dojox.string.BidiComplex._setSelectedRange=function(_27,_28,_29){ |
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if(dojo.isIE){
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var _2a=_27.createTextRange();
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if(_2a){
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if(_27.type=="textarea"){ |
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_2a.moveToElementText(_27); |
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}else{
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_2a.expand("textedit");
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} |
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_2a.collapse(); |
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_2a.moveEnd("character",_29);
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_2a.moveStart("character",_28);
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_2a.select(); |
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} |
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}else{
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_27.selectionStart=_28; |
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_27.selectionEnd=_29; |
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} |
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}; |
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var _2b=function(c){ |
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return (c>="0"&&c<="9")||(c>"ÿ"); |
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}; |
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var _2c=function(c){ |
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return (c>="A"&&c<="Z")||(c>="a"&&c<="z"); |
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}; |
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var _2d=function(_2e,i,_2f){ |
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while(i>0){ |
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if(i==_2f){
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return false; |
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} |
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i--; |
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if(_2b(_2e.charAt(i))){
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return true; |
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} |
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if(_2c(_2e.charAt(i))){
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return false; |
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} |
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} |
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return false; |
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}; |
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dojox.string.BidiComplex._parse=function(str,_30){ |
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var _31=-1,_32=[]; |
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var _33={FILE_PATH:"/\\:.",URL:"/:.?=&#",XPATH:"/\\:.<>=[]",EMAIL:"<>@.,;"}[_30]; |
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switch(_30){
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case "FILE_PATH": |
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case "URL": |
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case "XPATH": |
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dojo.forEach(str,function(ch,i){
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if(_33.indexOf(ch)>=0&&_2d(str,i,_31)){ |
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_31=i; |
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_32.push(i); |
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} |
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}); |
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break;
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case "EMAIL": |
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var _34=false; |
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dojo.forEach(str,function(ch,i){
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if(ch=="\""){ |
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if(_2d(str,i,_31)){
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_31=i; |
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_32.push(i); |
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} |
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i++; |
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var i1=str.indexOf("\"",i); |
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if(i1>=i){
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i=i1; |
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} |
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if(_2d(str,i,_31)){
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_31=i; |
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_32.push(i); |
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} |
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} |
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if(_33.indexOf(ch)>=0&&_2d(str,i,_31)){ |
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_31=i; |
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_32.push(i); |
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} |
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}); |
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} |
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return _32;
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}; |
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})(); |
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} |