Andrej Cimperšek - diploma

/*

        Copyright (c) 2004-2010, 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.data.CsvStore"]){

dojo._hasResource["dojox.data.CsvStore"]=true;

dojo.provide("dojox.data.CsvStore");

dojo.require("dojo.data.util.filter");

dojo.require("dojo.data.util.simpleFetch");

dojo.declare("dojox.data.CsvStore",null,{constructor:function(_1){

this._attributes=[];

this._attributeIndexes={};

this._dataArray=[];

this._arrayOfAllItems=[];

this._loadFinished=false;

if(_1.url){

this.url=_1.url;

}

this._csvData=_1.data;

if(_1.label){

this.label=_1.label;

}else{

if(this.label===""){

this.label=undefined;

}

}

this._storeProp="_csvStore";

this._idProp="_csvId";

this._features={"dojo.data.api.Read":true,"dojo.data.api.Identity":true};

this._loadInProgress=false;

this._queuedFetches=[];

this.identifier=_1.identifier;

if(this.identifier===""){

delete this.identifier;

}else{

this._idMap={};

}

if("separator" in _1){

this.separator=_1.separator;

}

if("urlPreventCache" in _1){

this.urlPreventCache=_1.urlPreventCache?true:false;

}

},url:"",label:"",identifier:"",separator:",",urlPreventCache:false,_assertIsItem:function(_2){

if(!this.isItem(_2)){

throw new Error(this.declaredClass+": a function was passed an item argument that was not an item");

}

},_getIndex:function(_3){

var _4=this.getIdentity(_3);

if(this.identifier){

_4=this._idMap[_4];

}

return _4;

},getValue:function(_5,_6,_7){

this._assertIsItem(_5);

var _8=_7;

if(typeof _6==="string"){

var ai=this._attributeIndexes[_6];

if(ai!=null){

var _9=this._dataArray[this._getIndex(_5)];

_8=_9[ai]||_7;

}

}else{

throw new Error(this.declaredClass+": a function was passed an attribute argument that was not a string");

}

return _8;

},getValues:function(_a,_b){

var _c=this.getValue(_a,_b);

return (_c?[_c]:[]);

},getAttributes:function(_d){

this._assertIsItem(_d);

var _e=[];

var _f=this._dataArray[this._getIndex(_d)];

for(var i=0;i<_f.length;i++){

if(_f[i]!==""){

_e.push(this._attributes[i]);

}

}

return _e;

},hasAttribute:function(_10,_11){

this._assertIsItem(_10);

if(typeof _11==="string"){

var _12=this._attributeIndexes[_11];

var _13=this._dataArray[this._getIndex(_10)];

return (typeof _12!=="undefined"&&_12<_13.length&&_13[_12]!=="");

}else{

throw new Error(this.declaredClass+": a function was passed an attribute argument that was not a string");

}

},containsValue:function(_14,_15,_16){

var _17=undefined;

if(typeof _16==="string"){

_17=dojo.data.util.filter.patternToRegExp(_16,false);

}

return this._containsValue(_14,_15,_16,_17);

},_containsValue:function(_18,_19,_1a,_1b){

var _1c=this.getValues(_18,_19);

for(var i=0;i<_1c.length;++i){

var _1d=_1c[i];

if(typeof _1d==="string"&&_1b){

return (_1d.match(_1b)!==null);

}else{

if(_1a===_1d){

return true;

}

}

}

return false;

},isItem:function(_1e){

if(_1e&&_1e[this._storeProp]===this){

var _1f=_1e[this._idProp];

if(this.identifier){

var _20=this._dataArray[this._idMap[_1f]];

if(_20){

return true;

}

}else{

if(_1f>=0&&_1f<this._dataArray.length){

return true;

}

}

}

return false;

},isItemLoaded:function(_21){

return this.isItem(_21);

},loadItem:function(_22){

},getFeatures:function(){

return this._features;

},getLabel:function(_23){

if(this.label&&this.isItem(_23)){

return this.getValue(_23,this.label);

}

return undefined;

},getLabelAttributes:function(_24){

if(this.label){

return [this.label];

}

return null;

},_fetchItems:function(_25,_26,_27){

var _28=this;

var _29=function(_2a,_2b){

var _2c=null;

if(_2a.query){

var key,_2d;

_2c=[];

var _2e=_2a.queryOptions?_2a.queryOptions.ignoreCase:false;

var _2f={};

for(key in _2a.query){

_2d=_2a.query[key];

if(typeof _2d==="string"){

_2f[key]=dojo.data.util.filter.patternToRegExp(_2d,_2e);

}

}

for(var i=0;i<_2b.length;++i){

var _30=true;

var _31=_2b[i];

for(key in _2a.query){

_2d=_2a.query[key];

if(!_28._containsValue(_31,key,_2d,_2f[key])){

_30=false;

}

}

if(_30){

_2c.push(_31);

}

}

}else{

_2c=_2b.slice(0,_2b.length);

}

_26(_2c,_2a);

};

if(this._loadFinished){

_29(_25,this._arrayOfAllItems);

}else{

if(this.url!==""){

if(this._loadInProgress){

this._queuedFetches.push({args:_25,filter:_29});

}else{

this._loadInProgress=true;

var _32={url:_28.url,handleAs:"text",preventCache:_28.urlPreventCache};

var _33=dojo.xhrGet(_32);

_33.addCallback(function(_34){

try{

_28._processData(_34);

_29(_25,_28._arrayOfAllItems);

_28._handleQueuedFetches();

}

catch(e){

_27(e,_25);

}

});

_33.addErrback(function(_35){

_28._loadInProgress=false;

if(_27){

_27(_35,_25);

}else{

throw _35;

}

});

var _36=null;

if(_25.abort){

_36=_25.abort;

}

_25.abort=function(){

var df=_33;

if(df&&df.fired===-1){

df.cancel();

df=null;

}

if(_36){

_36.call(_25);

}

};

}

}else{

if(this._csvData){

try{

this._processData(this._csvData);

this._csvData=null;

_29(_25,this._arrayOfAllItems);

}

catch(e){

_27(e,_25);

}

}else{

var _37=new Error(this.declaredClass+": No CSV source data was provided as either URL or String data input.");

if(_27){

_27(_37,_25);

}else{

throw _37;

}

}

}

}

},close:function(_38){

},_getArrayOfArraysFromCsvFileContents:function(_39){

if(dojo.isString(_39)){

var _3a=new RegExp("^\\s+","g");

var _3b=new RegExp("\\s+$","g");

var _3c=new RegExp("\"\"","g");

var _3d=[];

var i;

var _3e=this._splitLines(_39);

for(i=0;i<_3e.length;++i){

var _3f=_3e[i];

if(_3f.length>0){

var _40=_3f.split(this.separator);

var j=0;

while(j<_40.length){

var _41=_40[j];

var _42=_41.replace(_3a,"");

var _43=_42.replace(_3b,"");

var _44=_43.charAt(0);

var _45=_43.charAt(_43.length-1);

var _46=_43.charAt(_43.length-2);

var _47=_43.charAt(_43.length-3);

if(_43.length===2&&_43=="\"\""){

_40[j]="";

}else{

if((_44=="\"")&&((_45!="\"")||((_45=="\"")&&(_46=="\"")&&(_47!="\"")))){

if(j+1===_40.length){

return;

}

var _48=_40[j+1];

_40[j]=_42+this.separator+_48;

_40.splice(j+1,1);

}else{

if((_44=="\"")&&(_45=="\"")){

_43=_43.slice(1,(_43.length-1));

_43=_43.replace(_3c,"\"");

}

_40[j]=_43;

j+=1;

}

}

}

_3d.push(_40);

}

}

this._attributes=_3d.shift();

for(i=0;i<this._attributes.length;i++){

this._attributeIndexes[this._attributes[i]]=i;

}

this._dataArray=_3d;

}

},_splitLines:function(_49){

var _4a=[];

var i;

var _4b="";

var _4c=false;

for(i=0;i<_49.length;i++){

var c=_49.charAt(i);

switch(c){

case "\"":

_4c=!_4c;

_4b+=c;

break;

case "\r":

if(_4c){

_4b+=c;

}else{

_4a.push(_4b);

_4b="";

if(i<(_49.length-1)&&_49.charAt(i+1)=="\n"){

i++;

}

}

break;

case "\n":

if(_4c){

_4b+=c;

}else{

_4a.push(_4b);

_4b="";

}

break;

default:

_4b+=c;

}

}

if(_4b!==""){

_4a.push(_4b);

}

return _4a;

},_processData:function(_4d){

this._getArrayOfArraysFromCsvFileContents(_4d);

this._arrayOfAllItems=[];

if(this.identifier){

if(this._attributeIndexes[this.identifier]===undefined){

throw new Error(this.declaredClass+": Identity specified is not a column header in the data set.");

}

}

for(var i=0;i<this._dataArray.length;i++){

var id=i;

if(this.identifier){

var _4e=this._dataArray[i];

id=_4e[this._attributeIndexes[this.identifier]];

this._idMap[id]=i;

}

this._arrayOfAllItems.push(this._createItemFromIdentity(id));

}

this._loadFinished=true;

this._loadInProgress=false;

},_createItemFromIdentity:function(_4f){

var _50={};

_50[this._storeProp]=this;

_50[this._idProp]=_4f;

return _50;

},getIdentity:function(_51){

if(this.isItem(_51)){

return _51[this._idProp];

}

return null;

},fetchItemByIdentity:function(_52){

var _53;

var _54=_52.scope?_52.scope:dojo.global;

if(!this._loadFinished){

var _55=this;

if(this.url!==""){

if(this._loadInProgress){

this._queuedFetches.push({args:_52});

}else{

this._loadInProgress=true;

var _56={url:_55.url,handleAs:"text"};

var _57=dojo.xhrGet(_56);

_57.addCallback(function(_58){

try{

_55._processData(_58);

var _59=_55._createItemFromIdentity(_52.identity);

if(!_55.isItem(_59)){

_59=null;

}

if(_52.onItem){

_52.onItem.call(_54,_59);

}

_55._handleQueuedFetches();

}

catch(error){

if(_52.onError){

_52.onError.call(_54,error);

}

}

});

_57.addErrback(function(_5a){

this._loadInProgress=false;

if(_52.onError){

_52.onError.call(_54,_5a);

}

});

}

}else{

if(this._csvData){

try{

_55._processData(_55._csvData);

_55._csvData=null;

_53=_55._createItemFromIdentity(_52.identity);

if(!_55.isItem(_53)){

_53=null;

}

if(_52.onItem){

_52.onItem.call(_54,_53);

}

}

catch(e){

if(_52.onError){

_52.onError.call(_54,e);

}

}

}

}

}else{

_53=this._createItemFromIdentity(_52.identity);

if(!this.isItem(_53)){

_53=null;

}

if(_52.onItem){

_52.onItem.call(_54,_53);

}

}

},getIdentityAttributes:function(_5b){

if(this.identifier){

return [this.identifier];

}else{

return null;

}

},_handleQueuedFetches:function(){

if(this._queuedFetches.length>0){

for(var i=0;i<this._queuedFetches.length;i++){

var _5c=this._queuedFetches[i];

var _5d=_5c.filter;

var _5e=_5c.args;

if(_5d){

_5d(_5e,this._arrayOfAllItems);

}else{

this.fetchItemByIdentity(_5c.args);

}

}

this._queuedFetches=[];

}

}});

dojo.extend(dojox.data.CsvStore,dojo.data.util.simpleFetch);

}