454 lines
9.3 KiB
JavaScript
454 lines
9.3 KiB
JavaScript
/*
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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._editor.range"]){
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dojo._hasResource["dijit._editor.range"]=true;
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dojo.provide("dijit._editor.range");
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dijit.range={};
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dijit.range.getIndex=function(_1,_2){
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var _3=[],_4=[];
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var _5=_2;
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var _6=_1;
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var _7,n;
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while(_1!=_5){
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var i=0;
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_7=_1.parentNode;
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while((n=_7.childNodes[i++])){
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if(n===_1){
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--i;
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break;
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}
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}
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_3.unshift(i);
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_4.unshift(i-_7.childNodes.length);
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_1=_7;
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}
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if(_3.length>0&&_6.nodeType==3){
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n=_6.previousSibling;
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while(n&&n.nodeType==3){
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_3[_3.length-1]--;
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n=n.previousSibling;
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}
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n=_6.nextSibling;
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while(n&&n.nodeType==3){
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_4[_4.length-1]++;
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n=n.nextSibling;
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}
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}
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return {o:_3,r:_4};
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};
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dijit.range.getNode=function(_8,_9){
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if(!dojo.isArray(_8)||_8.length==0){
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return _9;
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}
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var _a=_9;
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dojo.every(_8,function(i){
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if(i>=0&&i<_a.childNodes.length){
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_a=_a.childNodes[i];
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}else{
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_a=null;
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return false;
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}
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return true;
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});
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return _a;
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};
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dijit.range.getCommonAncestor=function(n1,n2,_b){
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_b=_b||n1.ownerDocument.body;
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var _c=function(n){
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var as=[];
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while(n){
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as.unshift(n);
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if(n!==_b){
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n=n.parentNode;
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}else{
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break;
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}
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}
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return as;
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};
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var _d=_c(n1);
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var _e=_c(n2);
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var m=Math.min(_d.length,_e.length);
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var _f=_d[0];
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for(var i=1;i<m;i++){
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if(_d[i]===_e[i]){
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_f=_d[i];
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}else{
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break;
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}
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}
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return _f;
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};
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dijit.range.getAncestor=function(_10,_11,_12){
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_12=_12||_10.ownerDocument.body;
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while(_10&&_10!==_12){
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var _13=_10.nodeName.toUpperCase();
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if(_11.test(_13)){
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return _10;
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}
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_10=_10.parentNode;
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}
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return null;
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};
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dijit.range.BlockTagNames=/^(?:P|DIV|H1|H2|H3|H4|H5|H6|ADDRESS|PRE|OL|UL|LI|DT|DE)$/;
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dijit.range.getBlockAncestor=function(_14,_15,_16){
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_16=_16||_14.ownerDocument.body;
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_15=_15||dijit.range.BlockTagNames;
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var _17=null,_18;
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while(_14&&_14!==_16){
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var _19=_14.nodeName.toUpperCase();
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if(!_17&&_15.test(_19)){
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_17=_14;
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}
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if(!_18&&(/^(?:BODY|TD|TH|CAPTION)$/).test(_19)){
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_18=_14;
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}
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_14=_14.parentNode;
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}
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return {blockNode:_17,blockContainer:_18||_14.ownerDocument.body};
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};
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dijit.range.atBeginningOfContainer=function(_1a,_1b,_1c){
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var _1d=false;
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var _1e=(_1c==0);
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if(!_1e&&_1b.nodeType==3){
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if(/^[\s\xA0]+$/.test(_1b.nodeValue.substr(0,_1c))){
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_1e=true;
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}
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}
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if(_1e){
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var _1f=_1b;
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_1d=true;
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while(_1f&&_1f!==_1a){
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if(_1f.previousSibling){
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_1d=false;
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break;
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}
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_1f=_1f.parentNode;
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}
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}
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return _1d;
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};
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dijit.range.atEndOfContainer=function(_20,_21,_22){
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var _23=false;
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var _24=(_22==(_21.length||_21.childNodes.length));
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if(!_24&&_21.nodeType==3){
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if(/^[\s\xA0]+$/.test(_21.nodeValue.substr(_22))){
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_24=true;
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}
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}
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if(_24){
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var _25=_21;
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_23=true;
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while(_25&&_25!==_20){
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if(_25.nextSibling){
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_23=false;
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break;
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}
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_25=_25.parentNode;
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}
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}
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return _23;
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};
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dijit.range.adjacentNoneTextNode=function(_26,_27){
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var _28=_26;
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var len=(0-_26.length)||0;
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var _29=_27?"nextSibling":"previousSibling";
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while(_28){
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if(_28.nodeType!=3){
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break;
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}
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len+=_28.length;
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_28=_28[_29];
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}
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return [_28,len];
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};
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dijit.range._w3c=Boolean(window["getSelection"]);
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dijit.range.create=function(win){
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if(dijit.range._w3c){
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return (win||dojo.global).document.createRange();
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}else{
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return new dijit.range.W3CRange;
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}
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};
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dijit.range.getSelection=function(win,_2a){
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if(dijit.range._w3c){
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return win.getSelection();
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}else{
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var s=new dijit.range.ie.selection(win);
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if(!_2a){
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s._getCurrentSelection();
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}
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return s;
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}
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};
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if(!dijit.range._w3c){
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dijit.range.ie={cachedSelection:{},selection:function(win){
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this._ranges=[];
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this.addRange=function(r,_2b){
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this._ranges.push(r);
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if(!_2b){
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r._select();
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}
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this.rangeCount=this._ranges.length;
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};
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this.removeAllRanges=function(){
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this._ranges=[];
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this.rangeCount=0;
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};
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var _2c=function(){
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var r=win.document.selection.createRange();
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var _2d=win.document.selection.type.toUpperCase();
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if(_2d=="CONTROL"){
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return new dijit.range.W3CRange(dijit.range.ie.decomposeControlRange(r));
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}else{
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return new dijit.range.W3CRange(dijit.range.ie.decomposeTextRange(r));
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}
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};
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this.getRangeAt=function(i){
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return this._ranges[i];
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};
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this._getCurrentSelection=function(){
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this.removeAllRanges();
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var r=_2c();
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if(r){
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this.addRange(r,true);
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}
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};
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},decomposeControlRange:function(_2e){
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var _2f=_2e.item(0),_30=_2e.item(_2e.length-1);
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var _31=_2f.parentNode,_32=_30.parentNode;
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var _33=dijit.range.getIndex(_2f,_31).o;
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var _34=dijit.range.getIndex(_30,_32).o+1;
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return [_31,_33,_32,_34];
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},getEndPoint:function(_35,end){
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var _36=_35.duplicate();
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_36.collapse(!end);
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var _37="EndTo"+(end?"End":"Start");
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var _38=_36.parentElement();
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var _39,_3a,_3b;
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if(_38.childNodes.length>0){
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dojo.every(_38.childNodes,function(_3c,i){
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var _3d;
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if(_3c.nodeType!=3){
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_36.moveToElementText(_3c);
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if(_36.compareEndPoints(_37,_35)>0){
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if(_3b&&_3b.nodeType==3){
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_39=_3b;
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_3d=true;
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}else{
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_39=_38;
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_3a=i;
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return false;
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}
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}else{
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if(i==_38.childNodes.length-1){
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_39=_38;
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_3a=_38.childNodes.length;
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return false;
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}
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}
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}else{
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if(i==_38.childNodes.length-1){
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_39=_3c;
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_3d=true;
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}
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}
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if(_3d&&_39){
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var _3e=dijit.range.adjacentNoneTextNode(_39)[0];
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if(_3e){
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_39=_3e.nextSibling;
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}else{
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_39=_38.firstChild;
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}
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var _3f=dijit.range.adjacentNoneTextNode(_39);
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_3e=_3f[0];
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var _40=_3f[1];
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if(_3e){
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_36.moveToElementText(_3e);
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_36.collapse(false);
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}else{
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_36.moveToElementText(_38);
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}
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_36.setEndPoint(_37,_35);
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_3a=_36.text.length-_40;
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return false;
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}
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_3b=_3c;
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return true;
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});
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}else{
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_39=_38;
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_3a=0;
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}
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if(!end&&_39.nodeType==1&&_3a==_39.childNodes.length){
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var _41=_39.nextSibling;
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if(_41&&_41.nodeType==3){
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_39=_41;
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_3a=0;
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}
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}
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return [_39,_3a];
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},setEndPoint:function(_42,_43,_44){
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var _45=_42.duplicate(),_46,len;
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if(_43.nodeType!=3){
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if(_44>0){
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_46=_43.childNodes[_44-1];
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if(_46){
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if(_46.nodeType==3){
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_43=_46;
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_44=_46.length;
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}else{
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if(_46.nextSibling&&_46.nextSibling.nodeType==3){
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_43=_46.nextSibling;
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_44=0;
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}else{
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_45.moveToElementText(_46.nextSibling?_46:_43);
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var _47=_46.parentNode;
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var _48=_47.insertBefore(_46.ownerDocument.createTextNode(" "),_46.nextSibling);
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_45.collapse(false);
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_47.removeChild(_48);
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}
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}
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}
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}else{
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_45.moveToElementText(_43);
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_45.collapse(true);
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}
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}
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if(_43.nodeType==3){
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var _49=dijit.range.adjacentNoneTextNode(_43);
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var _4a=_49[0];
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len=_49[1];
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if(_4a){
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_45.moveToElementText(_4a);
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_45.collapse(false);
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if(_4a.contentEditable!="inherit"){
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len++;
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}
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}else{
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_45.moveToElementText(_43.parentNode);
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_45.collapse(true);
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}
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_44+=len;
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if(_44>0){
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if(_45.move("character",_44)!=_44){
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console.error("Error when moving!");
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}
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}
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}
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return _45;
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},decomposeTextRange:function(_4b){
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var _4c=dijit.range.ie.getEndPoint(_4b);
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var _4d=_4c[0],_4e=_4c[1];
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var _4f=_4c[0],_50=_4c[1];
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if(_4b.htmlText.length){
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if(_4b.htmlText==_4b.text){
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_50=_4e+_4b.text.length;
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}else{
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_4c=dijit.range.ie.getEndPoint(_4b,true);
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_4f=_4c[0],_50=_4c[1];
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}
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}
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return [_4d,_4e,_4f,_50];
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},setRange:function(_51,_52,_53,_54,_55,_56){
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var _57=dijit.range.ie.setEndPoint(_51,_52,_53);
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_51.setEndPoint("StartToStart",_57);
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if(!_56){
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var end=dijit.range.ie.setEndPoint(_51,_54,_55);
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}
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_51.setEndPoint("EndToEnd",end||_57);
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return _51;
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}};
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dojo.declare("dijit.range.W3CRange",null,{constructor:function(){
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if(arguments.length>0){
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this.setStart(arguments[0][0],arguments[0][1]);
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this.setEnd(arguments[0][2],arguments[0][3]);
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}else{
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this.commonAncestorContainer=null;
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this.startContainer=null;
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this.startOffset=0;
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this.endContainer=null;
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this.endOffset=0;
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this.collapsed=true;
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}
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},_updateInternal:function(){
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if(this.startContainer!==this.endContainer){
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this.commonAncestorContainer=dijit.range.getCommonAncestor(this.startContainer,this.endContainer);
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}else{
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this.commonAncestorContainer=this.startContainer;
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}
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this.collapsed=(this.startContainer===this.endContainer)&&(this.startOffset==this.endOffset);
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},setStart:function(_58,_59){
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_59=parseInt(_59);
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if(this.startContainer===_58&&this.startOffset==_59){
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return;
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}
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delete this._cachedBookmark;
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this.startContainer=_58;
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this.startOffset=_59;
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if(!this.endContainer){
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this.setEnd(_58,_59);
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}else{
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this._updateInternal();
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}
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},setEnd:function(_5a,_5b){
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_5b=parseInt(_5b);
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if(this.endContainer===_5a&&this.endOffset==_5b){
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return;
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}
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delete this._cachedBookmark;
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this.endContainer=_5a;
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this.endOffset=_5b;
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if(!this.startContainer){
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this.setStart(_5a,_5b);
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}else{
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this._updateInternal();
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}
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},setStartAfter:function(_5c,_5d){
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this._setPoint("setStart",_5c,_5d,1);
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},setStartBefore:function(_5e,_5f){
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this._setPoint("setStart",_5e,_5f,0);
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},setEndAfter:function(_60,_61){
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this._setPoint("setEnd",_60,_61,1);
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},setEndBefore:function(_62,_63){
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this._setPoint("setEnd",_62,_63,0);
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},_setPoint:function(_64,_65,_66,ext){
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var _67=dijit.range.getIndex(_65,_65.parentNode).o;
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this[_64](_65.parentNode,_67.pop()+ext);
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},_getIERange:function(){
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var r=(this._body||this.endContainer.ownerDocument.body).createTextRange();
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dijit.range.ie.setRange(r,this.startContainer,this.startOffset,this.endContainer,this.endOffset,this.collapsed);
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return r;
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},getBookmark:function(_68){
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this._getIERange();
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return this._cachedBookmark;
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},_select:function(){
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var r=this._getIERange();
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r.select();
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},deleteContents:function(){
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var r=this._getIERange();
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r.pasteHTML("");
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this.endContainer=this.startContainer;
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this.endOffset=this.startOffset;
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this.collapsed=true;
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},cloneRange:function(){
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var r=new dijit.range.W3CRange([this.startContainer,this.startOffset,this.endContainer,this.endOffset]);
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r._body=this._body;
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return r;
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},detach:function(){
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this._body=null;
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this.commonAncestorContainer=null;
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this.startContainer=null;
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this.startOffset=0;
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this.endContainer=null;
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this.endOffset=0;
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this.collapsed=true;
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}});
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}
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}
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