中间件编程

开发平台：
JavaScript

data-foundation.js：源码内容
							/*
 * Ext JS Library 3.0.0
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.com
 * http://www.extjs.com/license
 */
Ext.data.Api=(function(){var a={};return{actions:{create:"create",read:"read",update:"update",destroy:"destroy"},restActions:{create:"POST",read:"GET",update:"PUT",destroy:"DELETE"},isAction:function(b){return(Ext.data.Api.actions[b])?true:false},getVerb:function(b){if(a[b]){return a[b]}for(var c in this.actions){if(this.actions[c]===b){a[b]=c;break}}return(a[b]!==undefined)?a[b]:null},isValid:function(b){var e=[];var d=this.actions;for(var c in b){if(!(c in d)){e.push(c)}}return(!e.length)?true:e},hasUniqueUrl:function(c,f){var b=(c.api[f])?c.api[f].url:null;var e=true;for(var d in c.api){if((e=(d===f)?true:(c.api[d].url!=b)?true:false)===false){break}}return e},prepare:function(b){if(!b.api){b.api={}}for(var d in this.actions){var c=this.actions[d];b.api[c]=b.api[c]||b.url||b.directFn;if(typeof(b.api[c])=="string"){b.api[c]={url:b.api[c]}}}},restify:function(b){b.restful=true;for(var c in this.restActions){b.api[this.actions[c]].method=this.restActions[c]}}}})();Ext.data.Api.Error=Ext.extend(Ext.Error,{constructor:function(b,a){this.arg=a;Ext.Error.call(this,b)},name:"Ext.data.Api"});Ext.apply(Ext.data.Api.Error.prototype,{lang:{"action-url-undefined":"No fallback url defined for this action.  When defining a DataProxy api, please be sure to define an url for each CRUD action in Ext.data.Api.actions or define a default url in addition to your api-configuration.",invalid:"received an invalid API-configuration.  Please ensure your proxy API-configuration contains only the actions defined in Ext.data.Api.actions","invalid-url":"Invalid url.  Please review your proxy configuration.",execute:'Attempted to execute an unknown action.  Valid API actions are defined in Ext.data.Api.actions"'}});Ext.data.SortTypes={none:function(a){return a},stripTagsRE:/</?[^>]+>/gi,asText:function(a){return String(a).replace(this.stripTagsRE,"")},asUCText:function(a){return String(a).toUpperCase().replace(this.stripTagsRE,"")},asUCString:function(a){return String(a).toUpperCase()},asDate:function(a){if(!a){return 0}if(Ext.isDate(a)){return a.getTime()}return Date.parse(String(a))},asFloat:function(a){var b=parseFloat(String(a).replace(/,/g,""));return isNaN(b)?0:b},asInt:function(a){var b=parseInt(String(a).replace(/,/g,""),10);return isNaN(b)?0:b}};Ext.data.Record=function(a,b){this.id=(b||b===0)?b:Ext.data.Record.id(this);this.data=a||{}};Ext.data.Record.create=function(e){var c=Ext.extend(Ext.data.Record,{});var d=c.prototype;d.fields=new Ext.util.MixedCollection(false,function(f){return f.name});for(var b=0,a=e.length;b<a;b++){d.fields.add(new Ext.data.Field(e[b]))}c.getField=function(f){return d.fields.get(f)};return c};Ext.data.Record.PREFIX="ext-record";Ext.data.Record.AUTO_ID=1;Ext.data.Record.EDIT="edit";Ext.data.Record.REJECT="reject";Ext.data.Record.COMMIT="commit";Ext.data.Record.id=function(a){a.phantom=true;return[Ext.data.Record.PREFIX,"-",Ext.data.Record.AUTO_ID++].join("")};Ext.data.Record.prototype={dirty:false,editing:false,error:null,modified:null,phantom:false,join:function(a){this.store=a},set:function(b,c){var a=(typeof c==="object");if(!a&&String(this.data[b])===String(c)){return}else{if(a&&Ext.encode(this.data[b])===Ext.encode(c)){return}}this.dirty=true;if(!this.modified){this.modified={}}if(typeof this.modified[b]=="undefined"){this.modified[b]=this.data[b]}this.data[b]=c;if(!this.editing){this.afterEdit()}},afterEdit:function(){if(this.store){this.store.afterEdit(this)}},afterReject:function(){if(this.store){this.store.afterReject(this)}},afterCommit:function(){if(this.store){this.store.afterCommit(this)}},get:function(a){return this.data[a]},beginEdit:function(){this.editing=true;this.modified=this.modified||{}},cancelEdit:function(){this.editing=false;delete this.modified},endEdit:function(){this.editing=false;if(this.dirty){this.afterEdit()}},reject:function(b){var a=this.modified;for(var c in a){if(typeof a[c]!="function"){this.data[c]=a[c]}}this.dirty=false;delete this.modified;this.editing=false;if(b!==true){this.afterReject()}},commit:function(a){this.dirty=false;delete this.modified;this.editing=false;if(a!==true){this.afterCommit()}},getChanges:function(){var a=this.modified,b={};for(var c in a){if(a.hasOwnProperty(c)){b[c]=this.data[c]}}return b},hasError:function(){return this.error!==null},clearError:function(){this.error=null},copy:function(a){return new this.constructor(Ext.apply({},this.data),a||this.id)},isModified:function(a){return !!(this.modified&&this.modified.hasOwnProperty(a))},isValid:function(){return this.fields.find(function(a){return(a.allowBlank===false&&Ext.isEmpty(this.data[a.name]))?true:false},this)?false:true},markDirty:function(){this.dirty=true;if(!this.modified){this.modified={}}this.fields.each(function(a){this.modified[a.name]=this.data[a.name]},this)}};Ext.StoreMgr=Ext.apply(new Ext.util.MixedCollection(),{register:function(){for(var a=0,b;(b=arguments[a]);a++){this.add(b)}},unregister:function(){for(var a=0,b;(b=arguments[a]);a++){this.remove(this.lookup(b))}},lookup:function(e){if(Ext.isArray(e)){var b=["field1"],d=!Ext.isArray(e[0]);if(!d){for(var c=2,a=e[0].length;c<=a;++c){b.push("field"+c)}}return new Ext.data.ArrayStore({fields:b,data:e,expandData:d,autoDestroy:true,autoCreated:true})}return Ext.isObject(e)?(e.events?e:Ext.create(e,"store")):this.get(e)},getKey:function(a){return a.storeId}});Ext.data.Store=function(a){this.data=new Ext.util.MixedCollection(false);this.data.getKey=function(b){return b.id};this.baseParams={};this.removed=[];if(a&&a.data){this.inlineData=a.data;delete a.data}Ext.apply(this,a);this.paramNames=Ext.applyIf(this.paramNames||{},this.defaultParamNames);if(this.url&&!this.proxy){this.proxy=new Ext.data.HttpProxy({url:this.url})}if(this.restful===true&&this.proxy){this.batch=false;Ext.data.Api.restify(this.proxy)}if(this.reader){if(!this.recordType){this.recordType=this.reader.recordType}if(this.reader.onMetaChange){this.reader.onMetaChange=this.onMetaChange.createDelegate(this)}if(this.writer){this.writer.meta=this.reader.meta;this.pruneModifiedRecords=true}}if(this.recordType){this.fields=this.recordType.prototype.fields}this.modified=[];this.addEvents("datachanged","metachange","add","remove","update","clear","exception","beforeload","load","loadexception","beforewrite","write");if(this.proxy){this.relayEvents(this.proxy,["loadexception","exception"])}if(this.writer){this.on({scope:this,add:this.createRecords,remove:this.destroyRecord,update:this.updateRecord})}this.sortToggle={};if(this.sortField){this.setDefaultSort(this.sortField,this.sortDir)}else{if(this.sortInfo){this.setDefaultSort(this.sortInfo.field,this.sortInfo.direction)}}Ext.data.Store.superclass.constructor.call(this);if(this.id){this.storeId=this.id;delete this.id}if(this.storeId){Ext.StoreMgr.register(this)}if(this.inlineData){this.loadData(this.inlineData);delete this.inlineData}else{if(this.autoLoad){this.load.defer(10,this,[typeof this.autoLoad=="object"?this.autoLoad:undefined])}}};Ext.extend(Ext.data.Store,Ext.util.Observable,{writer:undefined,remoteSort:false,autoDestroy:false,pruneModifiedRecords:false,lastOptions:null,autoSave:true,batch:true,restful:false,paramNames:undefined,defaultParamNames:{start:"start",limit:"limit",sort:"sort",dir:"dir"},destroy:function(){if(this.storeId){Ext.StoreMgr.unregister(this)}this.data=null;Ext.destroy(this.proxy);this.reader=this.writer=null;this.purgeListeners()},add:function(b){b=[].concat(b);if(b.length<1){return}for(var d=0,a=b.length;d<a;d++){b[d].join(this)}var c=this.data.length;this.data.addAll(b);if(this.snapshot){this.snapshot.addAll(b)}this.fireEvent("add",this,b,c)},addSorted:function(a){var b=this.findInsertIndex(a);this.insert(b,a)},remove:function(a){var b=this.data.indexOf(a);if(b>-1){this.data.removeAt(b);if(this.pruneModifiedRecords){this.modified.remove(a)}if(this.snapshot){this.snapshot.remove(a)}this.fireEvent("remove",this,a,b)}},removeAt:function(a){this.remove(this.getAt(a))},removeAll:function(){this.data.clear();if(this.snapshot){this.snapshot.clear()}if(this.pruneModifiedRecords){this.modified=[]}this.fireEvent("clear",this)},insert:function(c,b){b=[].concat(b);for(var d=0,a=b.length;d<a;d++){this.data.insert(c,b[d]);b[d].join(this)}this.fireEvent("add",this,b,c)},indexOf:function(a){return this.data.indexOf(a)},indexOfId:function(a){return this.data.indexOfKey(a)},getById:function(a){return this.data.key(a)},getAt:function(a){return this.data.itemAt(a)},getRange:function(b,a){return this.data.getRange(b,a)},storeOptions:function(a){a=Ext.apply({},a);delete a.callback;delete a.scope;this.lastOptions=a},load:function(b){b=b||{};this.storeOptions(b);if(this.sortInfo&&this.remoteSort){var a=this.paramNames;b.params=b.params||{};b.params[a.sort]=this.sortInfo.field;b.params[a.dir]=this.sortInfo.direction}try{return this.execute("read",null,b)}catch(c){this.handleException(c);return false}},updateRecord:function(b,a,c){if(c==Ext.data.Record.EDIT&&this.autoSave===true&&(!a.phantom||(a.phantom&&a.isValid))){this.save()}},createRecords:function(c,b,d){for(var e=0,a=b.length;e<a;e++){if(b[e].phantom&&b[e].isValid()){b[e].markDirty();this.modified.push(b[e])}}if(this.autoSave===true){this.save()}},destroyRecord:function(b,a,c){if(this.modified.indexOf(a)!=-1){this.modified.remove(a)}if(!a.phantom){this.removed.push(a);a.lastIndex=c;if(this.autoSave===true){this.save()}}},execute:function(d,a,b){if(!Ext.data.Api.isAction(d)){throw new Ext.data.Api.Error("execute",d)}b=Ext.applyIf(b||{},{params:{}});var c=true;if(d==="read"){c=this.fireEvent("beforeload",this,b)}else{if(this.writer.listful===true&&this.restful!==true){a=(Ext.isArray(a))?a:[a]}else{if(Ext.isArray(a)&&a.length==1){a=a.shift()}}if((c=this.fireEvent("beforewrite",this,d,a,b))!==false){this.writer.write(d,b.params,a)}}if(c!==false){var e=Ext.apply({},b.params,this.baseParams);if(this.writer&&this.proxy.url&&!this.proxy.restful&&!Ext.data.Api.hasUniqueUrl(this.proxy,d)){e.xaction=d}this.proxy.request(Ext.data.Api.actions[d],a,e,this.reader,this.createCallback(d,a),this,b)}return c},save:function(){if(!this.writer){throw new Ext.data.Store.Error("writer-undefined")}if(this.removed.length){this.doTransaction("destroy",this.removed)}var a=[].concat(this.getModifiedRecords());if(!a.length){return true}var c=[];for(var b=a.length-1;b>=0;b--){if(a[b].phantom===true){var d=a.splice(b,1).shift();if(d.isValid()){c.push(d)}}else{if(!a[b].isValid()){a.splice(b,1)}}}if(c.length){this.doTransaction("create",c)}if(a.length){this.doTransaction("update",a)}return true},doTransaction:function(d,b){function e(f){try{this.execute(d,f)}catch(g){this.handleException(g)}}if(this.batch===false){for(var c=0,a=b.length;c<a;c++){e.call(this,b[c])}}else{e.call(this,b)}},createCallback:function(b,a){var c=Ext.data.Api.actions;return(b=="read")?this.loadRecords:function(e,d,f){this["on"+Ext.util.Format.capitalize(b)+"Records"](f,a,e);if(f===true){this.fireEvent("write",this,b,e,d,a)}}},clearModified:function(a){if(Ext.isArray(a)){for(var b=a.length-1;b>=0;b--){this.modified.splice(this.modified.indexOf(a[b]),1)}}else{this.modified.splice(this.modified.indexOf(a),1)}},reMap:function(b){if(Ext.isArray(b)){for(var d=0,a=b.length;d<a;d++){this.reMap(b[d])}}else{delete this.data.map[b._phid];this.data.map[b.id]=b;var c=this.data.keys.indexOf(b._phid);this.data.keys.splice(c,1,b.id);delete b._phid}},onCreateRecords:function(d,a,b){if(d===true){try{this.reader.realize(a,b);this.reMap(a)}catch(c){this.handleException(c);if(Ext.isArray(a)){this.onCreateRecords(d,a,b)}}}},onUpdateRecords:function(d,a,b){if(d===true){try{this.reader.update(a,b)}catch(c){this.handleException(c);if(Ext.isArray(a)){this.onUpdateRecords(d,a,b)}}}},onDestroyRecords:function(e,b,d){b=(b instanceof Ext.data.Record)?[b]:b;for(var c=0,a=b.length;c<a;c++){this.removed.splice(this.removed.indexOf(b[c]),1)}if(e===false){for(c=b.length-1;c>=0;c--){this.insert(b[c].lastIndex,b[c])}}},handleException:function(a){Ext.handleError(a)},reload:function(a){this.load(Ext.applyIf(a||{},this.lastOptions))},loadRecords:function(g,b,f){if(!g||f===false){if(f!==false){this.fireEvent("load",this,[],b)}if(b.callback){b.callback.call(b.scope||this,[],b,false,g)}return}var e=g.records,d=g.totalRecords||e.length;if(!b||b.add!==true){if(this.pruneModifiedRecords){this.modified=[]}for(var c=0,a=e.length;c<a;c++){e[c].join(this)}if(this.snapshot){this.data=this.snapshot;delete this.snapshot}this.data.clear();this.data.addAll(e);this.totalLength=d;this.applySort();this.fireEvent("datachanged",this)}else{this.totalLength=Math.max(d,this.data.length+e.length);this.add(e)}this.fireEvent("load",this,e,b);if(b.callback){b.callback.call(b.scope||this,e,b,true)}},loadData:function(c,a){var b=this.reader.readRecords(c);this.loadRecords(b,{add:a},true)},getCount:function(){return this.data.length||0},getTotalCount:function(){return this.totalLength||0},getSortState:function(){return this.sortInfo},applySort:function(){if(this.sortInfo&&!this.remoteSort){var a=this.sortInfo,b=a.field;this.sortData(b,a.direction)}},sortData:function(c,d){d=d||"ASC";var a=this.fields.get(c).sortType;var b=function(f,e){var h=a(f.data[c]),g=a(e.data[c]);return h>g?1:(h<g?-1:0)};this.data.sort(d,b);if(this.snapshot&&this.snapshot!=this.data){this.snapshot.sort(d,b)}},setDefaultSort:function(b,a){a=a?a.toUpperCase():"ASC";this.sortInfo={field:b,direction:a};this.sortToggle[b]=a},sort:function(e,c){var d=this.fields.get(e);if(!d){return false}if(!c){if(this.sortInfo&&this.sortInfo.field==d.name){c=(this.sortToggle[d.name]||"ASC").toggle("ASC","DESC")}else{c=d.sortDir}}var b=(this.sortToggle)?this.sortToggle[d.name]:null;var a=(this.sortInfo)?this.sortInfo:null;this.sortToggle[d.name]=c;this.sortInfo={field:d.name,direction:c};if(!this.remoteSort){this.applySort();this.fireEvent("datachanged",this)}else{if(!this.load(this.lastOptions)){if(b){this.sortToggle[d.name]=b}if(a){this.sortInfo=a}}}},each:function(b,a){this.data.each(b,a)},getModifiedRecords:function(){return this.modified},createFilterFn:function(c,b,d,a){if(Ext.isEmpty(b,false)){return false}b=this.data.createValueMatcher(b,d,a);return function(e){return b.test(e.data[c])}},sum:function(e,f,a){var c=this.data.items,b=0;f=f||0;a=(a||a===0)?a:c.length-1;for(var d=f;d<=a;d++){b+=(c[d].data[e]||0)}return b},filter:function(d,c,e,a){var b=this.createFilterFn(d,c,e,a);return b?this.filterBy(b):this.clearFilter()},filterBy:function(b,a){this.snapshot=this.snapshot||this.data;this.data=this.queryBy(b,a||this);this.fireEvent("datachanged",this)},query:function(d,c,e,a){var b=this.createFilterFn(d,c,e,a);return b?this.queryBy(b):this.data.clone()},queryBy:function(b,a){var c=this.snapshot||this.data;return c.filterBy(b,a||this)},find:function(d,c,f,e,a){var b=this.createFilterFn(d,c,e,a);return b?this.data.findIndexBy(b,null,f):-1},findExact:function(b,a,c){return this.data.findIndexBy(function(d){return d.get(b)===a},this,c)},findBy:function(b,a,c){return this.data.findIndexBy(b,a,c)},collect:function(h,j,b){var g=(b===true&&this.snapshot)?this.snapshot.items:this.data.items;var k,m,a=[],c={};for(var e=0,f=g.length;e<f;e++){k=g[e].data[h];m=String(k);if((j||!Ext.isEmpty(k))&&!c[m]){c[m]=true;a[a.length]=k}}return a},clearFilter:function(a){if(this.isFiltered()){this.data=this.snapshot;delete this.snapshot;if(a!==true){this.fireEvent("datachanged",this)}}},isFiltered:function(){return this.snapshot&&this.snapshot!=this.data},afterEdit:function(a){if(this.modified.indexOf(a)==-1){this.modified.push(a)}this.fireEvent("update",this,a,Ext.data.Record.EDIT)},afterReject:function(a){this.modified.remove(a);this.fireEvent("update",this,a,Ext.data.Record.REJECT)},afterCommit:function(a){this.modified.remove(a);this.fireEvent("update",this,a,Ext.data.Record.COMMIT)},commitChanges:function(){var b=this.modified.slice(0);this.modified=[];for(var c=0,a=b.length;c<a;c++){b[c].commit()}},rejectChanges:function(){var b=this.modified.slice(0);this.modified=[];for(var c=0,a=b.length;c<a;c++){b[c].reject()}},onMetaChange:function(b,a,c){this.recordType=a;this.fields=a.prototype.fields;delete this.snapshot;if(b.sortInfo){this.sortInfo=b.sortInfo}else{if(this.sortInfo&&!this.fields.get(this.sortInfo.field)){delete this.sortInfo}}this.modified=[];this.fireEvent("metachange",this,this.reader.meta)},findInsertIndex:function(a){this.suspendEvents();var c=this.data.clone();this.data.add(a);this.applySort();var b=this.data.indexOf(a);this.data=c;this.resumeEvents();return b},setBaseParam:function(a,b){this.baseParams=this.baseParams||{};this.baseParams[a]=b}});Ext.reg("store",Ext.data.Store);Ext.data.Store.Error=Ext.extend(Ext.Error,{name:"Ext.data.Store"});Ext.apply(Ext.data.Store.Error.prototype,{lang:{"writer-undefined":"Attempted to execute a write-action without a DataWriter installed."}});Ext.data.Field=function(d){if(typeof d=="string"){d={name:d}}Ext.apply(this,d);if(!this.type){this.type="auto"}var c=Ext.data.SortTypes;if(typeof this.sortType=="string"){this.sortType=c[this.sortType]}if(!this.sortType){switch(this.type){case"string":this.sortType=c.asUCString;break;case"date":this.sortType=c.asDate;break;default:this.sortType=c.none}}var e=/[$,%]/g;if(!this.convert){var b,a=this.dateFormat;switch(this.type){case"":case"auto":case undefined:b=function(f){return f};break;case"string":b=function(f){return(f===undefined||f===null)?"":String(f)};break;case"int":b=function(f){return f!==undefined&&f!==null&&f!==""?parseInt(String(f).replace(e,""),10):""};break;case"float":b=function(f){return f!==undefined&&f!==null&&f!==""?parseFloat(String(f).replace(e,""),10):""};break;case"bool":case"boolean":b=function(f){return f===true||f==="true"||f==1};break;case"date":b=function(g){if(!g){return""}if(Ext.isDate(g)){return g}if(a){if(a=="timestamp"){return new Date(g*1000)}if(a=="time"){return new Date(parseInt(g,10))}return Date.parseDate(g,a)}var f=Date.parse(g);return f?new Date(f):null};break}this.convert=b}};Ext.data.Field.prototype={dateFormat:null,defaultValue:"",mapping:null,sortType:null,sortDir:"ASC",allowBlank:true};Ext.data.DataReader=function(a,b){this.meta=a;this.recordType=Ext.isArray(b)?Ext.data.Record.create(b):b};Ext.data.DataReader.prototype={buildExtractors:Ext.emptyFn,realize:function(b,d){if(Ext.isArray(b)){for(var c=b.length-1;c>=0;c--){if(Ext.isArray(d)){this.realize(b.splice(c,1).shift(),d.splice(c,1).shift())}else{this.realize(b.splice(c,1).shift(),d)}}}else{if(Ext.isArray(d)&&d.length==1){d=d.shift()}if(!this.isData(d)){throw new Ext.data.DataReader.Error("realize",b)}this.buildExtractors();var a=this.extractValues(d,b.fields.items,b.fields.items.length);b.phantom=false;b._phid=b.id;b.id=d[this.meta.idProperty];b.data=a;b.commit()}},update:function(a,c){if(Ext.isArray(a)){for(var b=a.length-1;b>=0;b--){if(Ext.isArray(c)){this.update(a.splice(b,1).shift(),c.splice(b,1).shift())}else{this.update(a.splice(b,1).shift(),c)}}}else{if(Ext.isArray(c)&&c.length==1){c=c.shift()}if(!this.isData(c)){a.commit();throw new Ext.data.DataReader.Error("update",a)}this.buildExtractors();a.data=this.extractValues(Ext.apply(a.data,c),a.fields.items,a.fields.items.length);a.commit()}},isData:function(a){return(a&&Ext.isObject(a)&&!Ext.isEmpty(a[this.meta.idProperty]))?true:false}};Ext.data.DataReader.Error=Ext.extend(Ext.Error,{constructor:function(b,a){this.arg=a;Ext.Error.call(this,b)},name:"Ext.data.DataReader"});Ext.apply(Ext.data.DataReader.Error.prototype,{lang:{update:"#update received invalid data from server.  Please see docs for DataReader#update and review your DataReader configuration.",realize:"#realize was called with invalid remote-data.  Please see the docs for DataReader#realize and review your DataReader configuration.","invalid-response":"#readResponse received an invalid response from the server."}});Ext.data.DataWriter=function(a){Ext.apply(this,a)};Ext.data.DataWriter.prototype={writeAllFields:false,listful:false,write:function(b,c,a){this.render(b,a,c,this[b](a))},render:Ext.emptyFn,update:function(a){var d={};if(Ext.isArray(a)){var c=[],b=[];Ext.each(a,function(e){b.push(e.id);c.push(this.updateRecord(e))},this);d[this.meta.idProperty]=b;d[this.meta.root]=c}else{if(a instanceof Ext.data.Record){d[this.meta.idProperty]=a.id;d[this.meta.root]=this.updateRecord(a)}}return d},updateRecord:Ext.emptyFn,create:function(a){var c={};if(Ext.isArray(a)){var b=[];Ext.each(a,function(d){b.push(this.createRecord(d))},this);c[this.meta.root]=b}else{if(a instanceof Ext.data.Record){c[this.meta.root]=this.createRecord(a)}}return c},createRecord:Ext.emptyFn,destroy:function(a){var d={};if(Ext.isArray(a)){var c=[],b=[];Ext.each(a,function(e){c.push(this.destroyRecord(e))},this);d[this.meta.root]=c}else{if(a instanceof Ext.data.Record){d[this.meta.root]=this.destroyRecord(a)}}return d},destroyRecord:Ext.emptyFn,toHash:function(e){var d=e.fields.map,c={},b=(this.writeAllFields===false&&e.phantom===false)?e.getChanges():e.data,a;Ext.iterate(b,function(g,f){if((a=d[g])){c[a.mapping?a.mapping:a.name]=f}});c[this.meta.idProperty]=e.id;return c}};Ext.data.DataProxy=function(a){a=a||{};this.api=a.api;this.url=a.url;this.restful=a.restful;this.listeners=a.listeners;this.prettyUrls=a.prettyUrls;try{Ext.data.Api.prepare(this)}catch(b){if(b instanceof Ext.data.Api.Error){b.toConsole()}}this.addEvents("exception","beforeload","load","loadexception","beforewrite","write");Ext.data.DataProxy.superclass.constructor.call(this)};Ext.extend(Ext.data.DataProxy,Ext.util.Observable,{restful:false,setApi:function(){if(arguments.length==1){var a=Ext.data.Api.isValid(arguments[0]);if(a===true){this.api=arguments[0]}else{throw new Ext.data.Api.Error("invalid",a)}}else{if(arguments.length==2){if(!Ext.data.Api.isAction(arguments[0])){throw new Ext.data.Api.Error("invalid",arguments[0])}this.api[arguments[0]]=arguments[1]}}Ext.data.Api.prepare(this)},isApiAction:function(a){return(this.api[a])?true:false},request:function(e,b,f,a,g,d,c){if(!this.api[e]&&!this.load){throw new Ext.data.DataProxy.Error("action-undefined",e)}f=f||{};if((e===Ext.data.Api.actions.read)?this.fireEvent("beforeload",this,f):this.fireEvent("beforewrite",this,e,b,f)!==false){this.doRequest.apply(this,arguments)}else{g.call(d||this,null,c,false)}},load:null,doRequest:function(e,b,f,a,g,d,c){this.load(f,a,g,d,c)},buildUrl:function(d,b){b=b||null;var c=(this.api[d])?this.api[d].url:this.url;if(!c){throw new Ext.data.Api.Error("invalid-url",d)}var e=null;var a=c.match(/(.*)(.w+)$/);if(a){e=a[2];c=a[1]}if((this.prettyUrls===true||this.restful===true)&&b instanceof Ext.data.Record&&!b.phantom){c+="/"+b.id}if(e){c+=e}return c},destroy:function(){this.purgeListeners()}});Ext.data.DataProxy.Error=Ext.extend(Ext.Error,{constructor:function(b,a){this.arg=a;Ext.Error.call(this,b)},name:"Ext.data.DataProxy"});Ext.apply(Ext.data.DataProxy.Error.prototype,{lang:{"action-undefined":"DataProxy attempted to execute an API-action but found an undefined url / function.  Please review your Proxy url/api-configuration.","api-invalid":"Recieved an invalid API-configuration.  Please ensure your proxy API-configuration contains only the actions from Ext.data.Api.actions."}});Ext.data.ScriptTagProxy=function(a){Ext.apply(this,a);Ext.data.ScriptTagProxy.superclass.constructor.call(this,a);this.head=document.getElementsByTagName("head")[0]};Ext.data.ScriptTagProxy.TRANS_ID=1000;Ext.extend(Ext.data.ScriptTagProxy,Ext.data.DataProxy,{timeout:30000,callbackParam:"callback",nocache:true,doRequest:function(e,f,d,g,i,j,k){var c=Ext.urlEncode(Ext.apply(d,this.extraParams));var b=this.buildUrl(e,f);if(!b){throw new Ext.data.Api.Error("invalid-url",b)}b=Ext.urlAppend(b,c);if(this.nocache){b=Ext.urlAppend(b,"_dc="+(new Date().getTime()))}var a=++Ext.data.ScriptTagProxy.TRANS_ID;var l={id:a,action:e,cb:"stcCallback"+a,scriptId:"stcScript"+a,params:d,arg:k,url:b,callback:i,scope:j,reader:g};window[l.cb]=this.createCallback(e,f,l);b+=String.format("&{0}={1}",this.callbackParam,l.cb);if(this.autoAbort!==false){this.abort()}l.timeoutId=this.handleFailure.defer(this.timeout,this,[l]);var h=document.createElement("script");h.setAttribute("src",b);h.setAttribute("type","text/javascript");h.setAttribute("id",l.scriptId);this.head.appendChild(h);this.trans=l},createCallback:function(d,b,c){var a=this;return function(e){a.trans=false;a.destroyTrans(c,true);if(d===Ext.data.Api.actions.read){a.onRead.call(a,d,c,e)}else{a.onWrite.call(a,d,c,e,b)}}},onRead:function(d,c,b){var a;try{a=c.reader.readRecords(b)}catch(f){this.fireEvent("loadexception",this,c,b,f);this.fireEvent("exception",this,"response",d,c,b,f);c.callback.call(c.scope||window,null,c.arg,false);return}if(a.success===false){this.fireEvent("loadexception",this,c,b);this.fireEvent("exception",this,"remote",d,c,b,null)}else{this.fireEvent("load",this,b,c.arg)}c.callback.call(c.scope||window,a,c.arg,a.success)},onWrite:function(f,d,c,b){var a=d.reader;try{a.readResponse(f,c)}catch(g){this.fireEvent("exception",this,"response",f,d,c,g);d.callback.call(d.scope||window,null,c,false);return}if(!c[a.meta.successProperty]===true){this.fireEvent("exception",this,"remote",f,d,c,b);d.callback.call(d.scope||window,null,c,false);return}this.fireEvent("write",this,f,c[a.meta.root],c,b,d.arg);d.callback.call(d.scope||window,c[a.meta.root],c,true)},isLoading:function(){return this.trans?true:false},abort:function(){if(this.isLoading()){this.destroyTrans(this.trans)}},destroyTrans:function(b,a){this.head.removeChild(document.getElementById(b.scriptId));clearTimeout(b.timeoutId);if(a){window[b.cb]=undefined;try{delete window[b.cb]}catch(c){}}else{window[b.cb]=function(){window[b.cb]=undefined;try{delete window[b.cb]}catch(d){}}}},handleFailure:function(a){this.trans=false;this.destroyTrans(a,false);if(a.action===Ext.data.Api.actions.read){this.fireEvent("loadexception",this,null,a.arg)}this.fireEvent("exception",this,"response",a.action,{response:null,options:a.arg});a.callback.call(a.scope||window,null,a.arg,false)},destroy:function(){this.abort();Ext.data.ScriptTagProxy.superclass.destroy.call(this)}});Ext.data.HttpProxy=function(a){Ext.data.HttpProxy.superclass.constructor.call(this,a);this.conn=a;this.conn.url=null;this.useAjax=!a||!a.events;var c=Ext.data.Api.actions;this.activeRequest={};for(var b in c){this.activeRequest[c[b]]=undefined}};Ext.extend(Ext.data.HttpProxy,Ext.data.DataProxy,{getConnection:function(){return this.useAjax?Ext.Ajax:this.conn},setUrl:function(a,b){this.conn.url=a;if(b===true){this.url=a;Ext.data.Api.prepare(this)}},doRequest:function(f,d,h,c,b,e,a){var g={method:(this.api[f])?this.api[f]["method"]:undefined,request:{callback:b,scope:e,arg:a},reader:c,callback:this.createCallback(f,d),scope:this};if(typeof(h[c.meta.root])==="object"){g.jsonData=h}else{g.params=h||{}}if(this.conn.url===null){this.conn.url=this.buildUrl(f,d)}else{if(this.restful===true&&d instanceof Ext.data.Record&&!d.phantom){this.conn.url+="/"+d.id}}if(this.useAjax){Ext.applyIf(g,this.conn);if(this.activeRequest[f]){}this.activeRequest[f]=Ext.Ajax.request(g)}else{this.conn.request(g)}this.conn.url=null},createCallback:function(b,a){return function(e,d,c){this.activeRequest[b]=undefined;if(!d){if(b===Ext.data.Api.actions.read){this.fireEvent("loadexception",this,e,c)}this.fireEvent("exception",this,"response",b,e,c);e.request.callback.call(e.request.scope,null,e.request.arg,false);return}if(b===Ext.data.Api.actions.read){this.onRead(b,e,c)}else{this.onWrite(b,e,c,a)}}},onRead:function(d,g,b){var a;try{a=g.reader.read(b)}catch(f){this.fireEvent("loadexception",this,g,b,f);this.fireEvent("exception",this,"response",d,g,b,f);g.request.callback.call(g.request.scope,null,g.request.arg,false);return}if(a.success===false){this.fireEvent("loadexception",this,g,b);var c=g.reader.readResponse(d,b);this.fireEvent("exception",this,"remote",d,g,c,null)}else{this.fireEvent("load",this,g,g.request.arg)}g.request.callback.call(g.request.scope,a,g.request.arg,a.success)},onWrite:function(f,h,c,b){var a=h.reader;var d;try{d=a.readResponse(f,c)}catch(g){this.fireEvent("exception",this,"response",f,h,c,g);h.request.callback.call(h.request.scope,null,h.request.arg,false);return}if(d[a.meta.successProperty]===false){this.fireEvent("exception",this,"remote",f,h,d,b)}else{this.fireEvent("write",this,f,d[a.meta.root],d,b,h.request.arg)}h.request.callback.call(h.request.scope,d[a.meta.root],d,d[a.meta.successProperty])},destroy:function(){if(!this.useAjax){this.conn.abort()}else{if(this.activeRequest){var b=Ext.data.Api.actions;for(var a in b){if(this.activeRequest[b[a]]){Ext.Ajax.abort(this.activeRequest[b[a]])}}}}Ext.data.HttpProxy.superclass.destroy.call(this)}});Ext.data.MemoryProxy=function(b){var a={};a[Ext.data.Api.actions.read]=true;Ext.data.MemoryProxy.superclass.constructor.call(this,{api:a});this.data=b};Ext.extend(Ext.data.MemoryProxy,Ext.data.DataProxy,{doRequest:function(b,c,a,d,g,h,i){a=a||{};var j;try{j=d.readRecords(this.data)}catch(f){this.fireEvent("loadexception",this,null,i,f);this.fireEvent("exception",this,"response",b,i,null,f);g.call(h,null,i,false);return}g.call(h,j,i,true)}});

						