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Flex 2

• ActionScript, Bugs, Flex 2

  Deep Object Copy

  Virgil Cristea | 25.10.07 | Permalink | 6 Comments

  I wanted to write a few words about the deep object copying in flex (aka as making an absolute identical replica of an object no matter it’s class).
  There is a function in the flex API called ObjectUtil.copy This is a very nice function but the problem is it cannot work on all object classes. [...]

• ActionScript, Bugs, Flex 2

  Constant XML not so constant?

  Virgil Cristea | 25.10.07 | Permalink | Comment?

  It seems that the constants behave strangely in Flex.
  Here is why:

  public const X:String = "X";
  public const Y:int = 101;
  public const NotSoConstant:XML = …some random xml…

  Now here comes the fun part:

  var x:string = X;
  x = "aaa";
  trace(X + ":" + x); // X:aaa
  var y:int = Y;
  y = 10;
  trace(Y +":" + y); //101:10
  var constantOrNot:XML = NotSoConstant;
  constantOrNot = …another [...]

• ActionScript, Flex 2, RIA

  FABridge: Warn on flex application exit

  Virgil Cristea | 25.10.07 | Permalink | Comment?

  One of the most common problems in the RIA applications that require login/logout and also some saves is how to prevent the user from closing the window/tab when there is unsaved information?
  The answer is simple: FABridge.
  This functionality allows you to catch the unload event from javascript and execute your flex code.
  Here is how:
  First you need [...]

• ActionScript, Flex 2

  [Transient] metadata Tag

  Virgil Cristea | 25.10.07 | Permalink | 2 Comments

  One interesting that I have found is the [Transient] metadata . What it does?
  It instructs Flex not to serialize the object member (variable/function) when you do a serialize/deserialize of an object.
  Here is a quick more in detail code

  public class Test
  {
  private var x: int;
  private var y: int;
   
  public function get [...]

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FLEX{er} is a tool where information regarding Flex & Actionscript programming languages is gathered starting from general info like books and resources and going to examples of actionscript for specific problems. [...]

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