include/javascript/yui3/build/recordset/recordset.js

   1 /*
   2  Copyright (c) 2010, Yahoo! Inc. All rights reserved.
   3  Code licensed under the BSD License:
   4  http://developer.yahoo.com/yui/license.html
   5  version: 3.3.0
   6  build: 3167
   7  */
   8 YUI.add('recordset-base',function(Y){var Record=Y.Base.create('record',Y.Base,[],{_setId:function(){return Y.guid();},initializer:function(){},destructor:function(){},getValue:function(field){if(field===undefined){return this.get("data");}
   9 else{return this.get("data")[field];}
  10 return null;}},{ATTRS:{id:{valueFn:"_setId"},data:{value:null}}});Y.Record=Record;var ArrayList=Y.ArrayList,Lang=Y.Lang,Recordset=Y.Base.create('recordset',Y.Base,[],{initializer:function(){if(!this._items){this._items=[];}
  11 this.publish('add',{defaultFn:this._defAddFn});this.publish('remove',{defaultFn:this._defRemoveFn});this.publish('empty',{defaultFn:this._defEmptyFn});this.publish('update',{defaultFn:this._defUpdateFn});this._recordsetChanged();this._syncHashTable();},destructor:function(){},_defAddFn:function(e){var len=this._items.length,recs=e.added,index=e.index,i=0;for(;i<recs.length;i++){if(index===len){this._items.push(recs[i]);}
  12 else{this._items.splice(index,0,recs[i]);index++;}}},_defRemoveFn:function(e){if(e.index===0){this._items.shift();}
  13 else if(e.index===this._items.length-1){this._items.pop();}
  14 else{this._items.splice(e.index,e.range);}},_defEmptyFn:function(e){this._items=[];},_defUpdateFn:function(e){for(var i=0;i<e.updated.length;i++){this._items[e.index+i]=this._changeToRecord(e.updated[i]);}},_defAddHash:function(e){var obj=this.get('table'),key=this.get('key'),i=0;for(;i<e.added.length;i++){obj[e.added[i].get(key)]=e.added[i];}
  15 this.set('table',obj);},_defRemoveHash:function(e){var obj=this.get('table'),key=this.get('key'),i=0;for(;i<e.removed.length;i++){delete obj[e.removed[i].get(key)];}
  16 this.set('table',obj);},_defUpdateHash:function(e){var obj=this.get('table'),key=this.get('key'),i=0;for(;i<e.updated.length;i++){if(e.overwritten[i]){delete obj[e.overwritten[i].get(key)];}
  17 obj[e.updated[i].get(key)]=e.updated[i];}
  18 this.set('table',obj);},_defEmptyHash:function(){this.set('table',{});},_setHashTable:function(){var obj={},key=this.get('key'),i=0;if(this._items&&this._items.length>0){var len=this._items.length;for(;i<len;i++){obj[this._items[i].get(key)]=this._items[i];}}
  19 return obj;},_changeToRecord:function(obj){var oRec;if(obj instanceof Y.Record){oRec=obj;}
  20 else{oRec=new Y.Record({data:obj});}
  21 return oRec;},_recordsetChanged:function(){this.on(['update','add','remove','empty'],function(){this.fire('change',{});});},_syncHashTable:function(){this.after('add',function(e){this._defAddHash(e);});this.after('remove',function(e){this._defRemoveHash(e);});this.after('update',function(e){this._defUpdateHash(e);});this.after('update',function(e){this._defEmptyHash();});},getRecord:function(i){if(Lang.isString(i)){return this.get('table')[i];}
  22 else if(Lang.isNumber(i)){return this._items[i];}
  23 return null;},getRecordByIndex:function(i){return this._items[i];},getRecordsByIndex:function(index,range){var i=0,returnedRecords=[];range=(Lang.isNumber(range)&&(range>0))?range:1;for(;i<range;i++){returnedRecords.push(this._items[index+i]);}
  24 return returnedRecords;},getLength:function(){return this.size();},getValuesByKey:function(key){var i=0,len=this._items.length,retVals=[];for(;i<len;i++){retVals.push(this._items[i].getValue(key));}
  25 return retVals;},add:function(oData,index){var newRecords=[],idx,i=0;idx=(Lang.isNumber(index)&&(index>-1))?index:this._items.length;if(Lang.isArray(oData)){for(;i<oData.length;i++){newRecords[i]=this._changeToRecord(oData[i]);}}
  26 else if(Lang.isObject(oData)){newRecords[0]=this._changeToRecord(oData);}
  27 this.fire('add',{added:newRecords,index:idx});return this;},remove:function(index,range){var remRecords=[];index=(index>-1)?index:(this._items.length-1);range=(range>0)?range:1;remRecords=this._items.slice(index,(index+range));this.fire('remove',{removed:remRecords,range:range,index:index});return this;},empty:function(){this.fire('empty',{});return this;},update:function(data,index){var rec,arr,i=0;arr=(!(Lang.isArray(data)))?[data]:data;rec=this._items.slice(index,index+arr.length);for(;i<arr.length;i++){arr[i]=this._changeToRecord(arr[i]);}
  28 this.fire('update',{updated:arr,overwritten:rec,index:index});return this;}},{ATTRS:{records:{validator:Lang.isArray,getter:function(){return new Y.Array(this._items);},setter:function(allData){var records=[];function initRecord(oneData){var o;if(oneData instanceof Y.Record){records.push(oneData);}
  29 else{o=new Y.Record({data:oneData});records.push(o);}}
  30 if(allData){Y.Array.each(allData,initRecord);this._items=Y.Array(records);}},lazyAdd:false},table:{valueFn:'_setHashTable'},key:{value:'id',readOnly:true}}});Y.augment(Recordset,ArrayList);Y.Recordset=Recordset;},'3.3.0',{requires:['base','arraylist']});YUI.add('recordset-sort',function(Y){var Compare=Y.ArraySort.compare,isValue=Y.Lang.isValue;function RecordsetSort(field,desc,sorter){RecordsetSort.superclass.constructor.apply(this,arguments);}
  31 Y.mix(RecordsetSort,{NS:"sort",NAME:"recordsetSort",ATTRS:{lastSortProperties:{value:{field:undefined,desc:true,sorter:undefined},validator:function(v){return(isValue(v.field)&&isValue(v.desc)&&isValue(v.sorter));}},defaultSorter:{value:function(recA,recB,field,desc){var sorted=Compare(recA.getValue(field),recB.getValue(field),desc);if(sorted===0){return Compare(recA.get("id"),recB.get("id"),desc);}
  32 else{return sorted;}}},isSorted:{value:false}}});Y.extend(RecordsetSort,Y.Plugin.Base,{initializer:function(config){var self=this,host=this.get('host');this.publish("sort",{defaultFn:Y.bind("_defSortFn",this)});this.on("sort",function(){self.set('isSorted',true);});this.onHostEvent('add',function(){self.set('isSorted',false);},host);this.onHostEvent('update',function(){self.set('isSorted',false);},host);},destructor:function(config){},_defSortFn:function(e){this.get("host")._items.sort(function(a,b){return(e.sorter)(a,b,e.field,e.desc);});this.set('lastSortProperties',e);},sort:function(field,desc,sorter){this.fire("sort",{field:field,desc:desc,sorter:sorter||this.get("defaultSorter")});},resort:function(){var p=this.get('lastSortProperties');this.fire("sort",{field:p.field,desc:p.desc,sorter:p.sorter||this.get("defaultSorter")});},reverse:function(){this.get('host')._items.reverse();},flip:function(){var p=this.get('lastSortProperties');if(isValue(p.field)){this.fire("sort",{field:p.field,desc:!p.desc,sorter:p.sorter||this.get("defaultSorter")});}
  33 else{}}});Y.namespace("Plugin").RecordsetSort=RecordsetSort;},'3.3.0',{requires:['arraysort','recordset-base','plugin']});YUI.add('recordset-filter',function(Y){var YArray=Y.Array,Lang=Y.Lang;function RecordsetFilter(config){RecordsetFilter.superclass.constructor.apply(this,arguments);}
  34 Y.mix(RecordsetFilter,{NS:"filter",NAME:"recordsetFilter",ATTRS:{}});Y.extend(RecordsetFilter,Y.Plugin.Base,{initializer:function(config){},destructor:function(config){},filter:function(f,v){var recs=this.get('host').get('records'),oRecs=[],func=f;if(Lang.isString(f)&&Lang.isValue(v)){func=function(item){if(item.getValue(f)===v){return true;}
  35 else{return false;}};}
  36 oRecs=YArray.filter(recs,func);return new Y.Recordset({records:oRecs});},reject:function(f){return new Y.Recordset({records:YArray.reject(this.get('host').get('records'),f)});},grep:function(pattern){return new Y.Recordset({records:YArray.grep(this.get('host').get('records'),pattern)});}});Y.namespace("Plugin").RecordsetFilter=RecordsetFilter;},'3.3.0',{requires:['recordset-base','array-extras','plugin']});YUI.add('recordset-indexer',function(Y){function RecordsetIndexer(config){RecordsetIndexer.superclass.constructor.apply(this,arguments);}
  37 Y.mix(RecordsetIndexer,{NS:"indexer",NAME:"recordsetIndexer",ATTRS:{hashTables:{value:{}},keys:{value:{}}}});Y.extend(RecordsetIndexer,Y.Plugin.Base,{initializer:function(config){var host=this.get('host');this.onHostEvent('add',Y.bind("_defAddHash",this),host);this.onHostEvent('remove',Y.bind('_defRemoveHash',this),host);this.onHostEvent('update',Y.bind('_defUpdateHash',this),host);},destructor:function(config){},_setHashTable:function(key){var host=this.get('host'),obj={},i=0,len=host.getLength();for(;i<len;i++){obj[host._items[i].getValue(key)]=host._items[i];}
  38 return obj;},_defAddHash:function(e){var tbl=this.get('hashTables');Y.each(tbl,function(v,key){Y.each(e.added||e.updated,function(o){if(o.getValue(key)){v[o.getValue(key)]=o;}});});},_defRemoveHash:function(e){var tbl=this.get('hashTables'),reckey;Y.each(tbl,function(v,key){Y.each(e.removed||e.overwritten,function(o){reckey=o.getValue(key);if(reckey&&v[reckey]===o){delete v[reckey];}});});},_defUpdateHash:function(e){e.added=e.updated;e.removed=e.overwritten;this._defAddHash(e);this._defRemoveHash(e);},createTable:function(key){var tbls=this.get('hashTables');tbls[key]=this._setHashTable(key);this.set('hashTables',tbls);return tbls[key];},getTable:function(key){return this.get('hashTables')[key];}});Y.namespace("Plugin").RecordsetIndexer=RecordsetIndexer;},'3.3.0',{requires:['recordset-base','plugin']});YUI.add('recordset',function(Y){},'3.3.0',{use:['recordset-base','recordset-sort','recordset-filter','recordset-indexer']});