mustella/tests/spark/collections/Sort/SWFs/newComps/CustComp_sortField_compareFunction.mxml

<?xml version="1.0" encoding="utf-8"?>
<!--

  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with
  the License.  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

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  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.

-->
<s:VGroup xmlns:fx="http://ns.adobe.com/mxml/2009" 
		  xmlns:s="library://ns.adobe.com/flex/spark" 
		  xmlns:mx="library://ns.adobe.com/flex/mx"
		  xmlns:newComps="newComps.*"
		  creationComplete="init()"
		  width="400" height="300">
	<fx:Declarations>
		<!-- Place non-visual elements (e.g., services, value objects) here -->
		<s:SortField id="sf"/>
		<s:SortField id="sfCN" locale="zh_CN"/>
		<s:SortField id="sfEN" locale="en_US"/>
		<s:SortField id="sfInline" compareFunction="{noParameterCompare}"/>
		<s:SortField id="sfName" name="negativeCurrencyFormatError"/>
		<s:SortField id="sfInlineLocale" locale="zh_CN"/>
		<s:SortField id="sfInlineLocaleEN" locale="en_US"/>
		<s:SortField id="sfCF" compareFunction="{mySortCompareFunction}" name="name"/>
		<s:Sort id="stCF" fields="{[sfCF]}"/>
		<newComps:BaseDataComp id="dataComp"/>
		<mx:SortField id="mxSF"/>
	</fx:Declarations>
	
	<fx:Script>
		<![CDATA[
			import assets.newClasses.SFConstant;
			
			import mx.collections.ISortField;
			import mx.controls.Alert;
			
			import spark.collections.Sort;
			import spark.collections.SortField;
			import spark.validators.CurrencyValidator;
			
			
			public var sfScript:spark.collections.SortField;
			public var sfScriptCN:spark.collections.SortField;
			public var sfScriptEN:spark.collections.SortField;
			public var sfScriptName:spark.collections.SortField;
			public var sfScriptNameEN:spark.collections.SortField;
			
			public var sfCFScript:spark.collections.SortField;
			public var stCFScript:Sort;
			
			public var sf1:spark.collections.SortField;
			public var sf2:spark.collections.SortField;
			
			public var myObj1:CurrencyValidator = new CurrencyValidator();
			public var myObj2:CurrencyValidator = new CurrencyValidator();
			public var myObj3:CurrencyValidator = new CurrencyValidator();
			public var myObj4:CurrencyValidator = new CurrencyValidator();
			
			public var obj1:Object = new Object();
			public var obj2:Object = new Object();
			
			public var fields1:Array = new Array();
			public var fields2:Array = new Array();
			
			[Bindable]
			public var err:String="No Error";
			
			[Bindable]
			public var errMX:String="No Error";
			
			[Bindable]
			public var LOS:String;
			
			public function creST():void
			{
				sfScript = new spark.collections.SortField();
				this.addStyleClient(sfScript);
				
				sfScriptCN = new spark.collections.SortField();
				sfScriptCN.setStyle("locale","zh-CN");
				this.addStyleClient(sfScriptCN);
				
				sfScriptEN = new spark.collections.SortField();
				sfScriptEN.setStyle("locale","en_US");
				this.addStyleClient(sfScriptEN);
				
				sfScriptName = new spark.collections.SortField();
				sfScriptName.name="negativeCurrencyFormatError";
				this.addStyleClient(sfScriptName);
				
				sfScriptNameEN = new spark.collections.SortField();
				sfScriptNameEN.name="negativeCurrencyFormatError";
				this.addStyleClient(sfScriptNameEN);
				sfScriptNameEN.setStyle("locale","en_US");
				
				sfCN.setStyle("locale","zh-CN");
				sfScriptName.setStyle("locale","zh-CN");
				
				sfCFScript= new spark.collections.SortField("name");
				this.addStyleClient(sfCFScript);
				sfCFScript.compareFunction=mySortCompareFunction;
				
				stCFScript=new Sort();
				this.addStyleClient(stCFScript);
				
				stCFScript.fields=[sfCFScript];
			}
			
			public function init():void
			{
				creST();
				myObj3.negativeCurrencyFormatError="aa";
				myObj3.positiveCurrencyFormatError="BB";
				myObj4.negativeCurrencyFormatError="AA";
				myObj4.positiveCurrencyFormatError="bb";
				
				sf1=new spark.collections.SortField("negativeCurrencyFormatError");
				sf2=new spark.collections.SortField("positiveCurrencyFormatError");
				
				this.addStyleClient(sf1);
				this.addStyleClient(sf2);
				
				fields1.push(sf1,sf2);
				fields2.push(sf2,sf1);
			}

			
			public function SortCompare(val1:*, val2:*, owner:*, mode:String):int
			{
				var result:int;
				try{
					result=owner.compareFunction(val1,val2);
				}
				catch(e:Error)
				{
					if(mode=='spark')
						err=e.toString();
					else
						errMX=e.toString();
				}
				
				return result;
			}
			
			public function SortCompareWithFields(val1:*, val2:*, fields:Array, owner:*):int
			{
				var result:int;
				owner.fields=fields;
				try{
					result=owner.compareFunction(val1,val2,fields);
				}
				catch(e:Error)
				{
					err=e.toString();
				}
				
				return result;
			}
			
			// Sort String from short length to long length 
			// Sort String from short length to long length 
			public function mySortCompareFunction(item1:Object, item2:Object):int {
				
				var fdName:String="name" ; 
				
				
				var aStr:String = item1[fdName] ;
				var bStr:String = item2[fdName] ; 
				if ( aStr == null && bStr == null ) 
					return 0 ; 
				if (aStr.length > bStr.length)
					return 1 ; 
				else if ( aStr.length == bStr.length)
					return 0 ; 
				else 
					return -1 ; 
			}
			
			public function myCompare(val1:int,val2:int,fields:Array=null):int
			{
				if(val1>val2)
					return 6;
				else if(val1==val2)
					return 4;
				else 
					return 2;
			}
			
			public function noParameterCompare():int
			{
				return 2;
			}
			
			public function wrongReturnTypeCompare(val1:*,val2:*):String
			{
				return "result";
			}
			
			public function trySet(obj:*,pptName:String,val:*,mode:String):void
			{
				try{
					obj[pptName]=val;
				}catch(e:Error){
					if(mode=='spark')
						err=e.toString();
					else
						errMX=e.toString();
				}
			}
			
			public function initSF(sf:spark.collections.SortField,item:*):void
			{
				sf.initializeDefaultCompareFunction(item);
			}
			
			public function doit(mySort:Sort):void
			{
				dataComp.myMXNameAgeStrArr.sort=mySort;
				dataComp.myMXNameAgeStrArr.refresh();
				Alert.show(SFConstant.getArrayOfField('name',dataComp.myMXNameAgeStrArr).toString());
			}
		]]>
	</fx:Script>
	
	<s:Label id="errLabel" text="{err}"/>
	<s:Label id="errLabelMX" text="{errMX}"/>
	<s:Label id="LOSLabel" text="{LOS}"/>
	<s:Button id="sb" label="click" click="doit(stCFScript)"/>
</s:VGroup>