67 lines
1.1 KiB
JavaScript
67 lines
1.1 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["dojo.data.util.sorter"]){
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dojo._hasResource["dojo.data.util.sorter"]=true;
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dojo.provide("dojo.data.util.sorter");
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dojo.data.util.sorter.basicComparator=function(a,b){
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var r=-1;
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if(a===null){
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a=undefined;
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}
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if(b===null){
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b=undefined;
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}
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if(a==b){
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r=0;
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}else{
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if(a>b||a==null){
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r=1;
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}
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}
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return r;
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};
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dojo.data.util.sorter.createSortFunction=function(_1,_2){
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var _3=[];
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function _4(_5,_6,_7,s){
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return function(_8,_9){
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var a=s.getValue(_8,_5);
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var b=s.getValue(_9,_5);
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return _6*_7(a,b);
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};
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};
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var _a;
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var _b=_2.comparatorMap;
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var bc=dojo.data.util.sorter.basicComparator;
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for(var i=0;i<_1.length;i++){
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_a=_1[i];
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var _c=_a.attribute;
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if(_c){
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var _d=(_a.descending)?-1:1;
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var _e=bc;
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if(_b){
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if(typeof _c!=="string"&&("toString" in _c)){
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_c=_c.toString();
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}
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_e=_b[_c]||bc;
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}
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_3.push(_4(_c,_d,_e,_2));
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}
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}
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return function(_f,_10){
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var i=0;
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while(i<_3.length){
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var ret=_3[i++](_f,_10);
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if(ret!==0){
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return ret;
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}
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}
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return 0;
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};
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};
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}
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