Flash / Flex / ActionScript/Array/Associative Arrays

Define Arrays of Associative Arrays

   <source lang="java">

package{

 import flash.display.Sprite;
 
 public class Main extends Sprite{
   public function Main(){
       var aCars:Array = new Array();
       aCars.push({make: "O", model: "A", extColor: "blue"});
       aCars.push({make: "H", model: "A", extColor: "red"});
       aCars.push({make: "V", model: "2", extColor: "red"});
       trace(aCars);
   }
 }

}

       </source>
   
  

Dictionary Util

   <source lang="java">

/*

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 ANY TECHNICAL SUPPORT OR ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
 BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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• /

package com.adobe.utils {

 import flash.utils.Dictionary;
 
 public class DictionaryUtil
 {
   
   /**
   *  Returns an Array of all keys within the specified dictionary.  
   * 
   *   @param d The Dictionary instance whose keys will be returned.
   * 
   *   @return Array of keys contained within the Dictionary
   *
   *   @langversion ActionScript 3.0
   *  @playerversion Flash 9.0
   *  @tiptext
   */          
   public static function getKeys(d:Dictionary):Array
   {
     var a:Array = new Array();
     
     for (var key:Object in d)
     {
       a.push(key);
     }
     
     return a;
   }
   
   /**
   *  Returns an Array of all values within the specified dictionary.    
   * 
   *   @param d The Dictionary instance whose values will be returned.
   * 
   *   @return Array of values contained within the Dictionary
   *
   *   @langversion ActionScript 3.0
   *  @playerversion Flash 9.0
   *  @tiptext
   */          
   public static function getValues(d:Dictionary):Array
   {
     var a:Array = new Array();
     
     for each (var value:Object in d)
     {
       a.push(value);
     }
     
     return a;
   }
   
 }

}

       </source>
   
  

Sorting by a Single Key

   <source lang="java">

package{

 import flash.display.Sprite;
 
 public class Main extends Sprite{
   public function Main(){
       var aCars:Array = new Array();
       aCars.push({make: "O", model: "A", extColor: "blue"});
       aCars.push({make: "H", model: "A", extColor: "red"});
       aCars.push({make: "V", model: "2", extColor: "red"});
       aCars.sortOn("make");
       displayArray(aCars);
   }
   function displayArray(aArray:Array) {
     var sElement:String = null;
     for(var i:Number = 0; i < aArray.length; i++) {
       sElement = "";
       for(var key in aArray[i]) {
         sElement += aArray[i][key] + " ";
       }
       trace(sElement);
     }
   } 
 }

}

       </source>
   
  

Sorting on Multiple Keys

   <source lang="java">

package{

 import flash.display.Sprite;
 
 public class Main extends Sprite{
   public function Main(){
       var aCars:Array = new Array();
       aCars.push({make: "O", model: "A", extColor: "blue"});
       aCars.push({make: "H", model: "A", extColor: "red"});
       aCars.push({make: "V", model: "D", extColor: "red"});
       
       aCars.sortOn(["make","mode","extColor"]);
       displayArray(aCars);
   }
   function displayArray(aArray:Array) {
     var sElement:String = null;
     for(var i:Number = 0; i < aArray.length; i++) {
       sElement = "";
       for(var key in aArray[i]) {
         sElement += aArray[i][key] + " ";
       }
       trace(sElement);
     }
   }
 }

}

       </source>
   
  

Sorting with Sort Flags

   <source lang="java">

package{

 import flash.display.Sprite;
 
 public class Main extends Sprite{
   public function Main(){
   
       var aCars:Array = new Array();
       aCars.push({make: "O", model: "A", extColor: "blue"});
       aCars.push({make: "H", model: "A", extColor: "red"});
       aCars.push({make: "V", model: "242", extColor: "red"});
       aCars.sortOn("make", Array.DESCENDING);
       displayArray(aCars);
   
   }
   function displayArray(aArray:Array) {
     var sElement:String = null;
     for(var i:Number = 0; i < aArray.length; i++) {
       sElement = "";
       for(var key in aArray[i]) {
         sElement += aArray[i][key] + " ";
       }
       trace(sElement);
     }
   } 
 }

}

       </source>
   
  

Use sorting flags when sorting with multiple keys

   <source lang="java">

// The first parameter is an array of the keys on sort. // The second parameter is sorting flag constant. package{

 import flash.display.Sprite;
 
 public class Main extends Sprite{
   public function Main(){
       var aCars:Array = new Array();
       aCars.push({make: "O", model: "A", extColor: "blue"});
       aCars.push({make: "H", model: "A", extColor: "red"});
       aCars.push({make: "V", model: "D", extColor: "red"});
       aCars.sortOn(["make","mode","extColor"], Array.DESCENDING);
       displayArray(aCars);
   }
   function displayArray(aArray:Array) {
     var sElement:String = null;
     for(var i:Number = 0; i < aArray.length; i++) {
       sElement = "";
       for(var key in aArray[i]) {
         sElement += aArray[i][key] + " ";
       }
       trace(sElement);
     }
   }
 }

}

       </source>