ActionScript 3.0 :: Accessing Parameters Of Generic Object?
Mar 4, 2011
Is there a way out there to essentially loop through a generic object to find out what parameters/properties are being used and/or what there names are?
ActionScript Code:
var obj:Object = new Object();
obj.foo = "hello";
obj.bar = "world";
//... and on for however many params you need
[Code] .....
I might be trying to do something that is essentially not possible, but I'm just thinking it would be very nice sometimes to access different parts of an object without having to directly know what the param name is...
I don't understand what is structurally different between a Value Object and a Class in ActionScript3. Can any Class be a VO if you decide to call it one?
I have this bit of code, and it's not working as I expected. btnContainer is a VBox that contains a ton of buttons (toggle=true); and I want to reset them to un-toggled at a certain point.
for (var btn:Object in btnContainer.getChildren()){ if (btn.isPrototypeOf(mx.controls.Button)){ btn.selected = false; } }
With the above code, "btn" shows up as just the index during each iteration of the loop (0,1,2,3,...), and the conditional never evaluates to true.I also tried this:
for (var btn:Button in btnContainer.getChildren()){ btn.selected = false; }
This works fine, except that there is also a label inside btnContainer; so it throws an error when trying to cast the label as a button.
I want to create a generic component in flex. This component deals with different ArrayCollections dynamically (I want it in that way). So I thought to pass the arrayCollection and the type of that arrayCollection as arguments to the component.
Like, var list:ArrayCollection<ClassA>; init_Comp(list, "ClassA");
If it is possible, I can read it like this, var newDynamicInstatnce: typeOf("ClassA") = list.getItemAt(0) as typeOf("ClassA");
Finally I have a Dynamic Instance type of that I pass. Is this possible in Flex or Is there a better way?
Right now I'm working on an advanced hitTesting engine, and What I'm trying to do here is create an engine that will detect collision with one object instead of two. That basically means that if any other objects touch this movie clip, the hitTest will return True. Right now the .fla containing the engine has nothing but a circle that can be moved using arrow keys and 8 squares that disappear when touched by the circle. Obviously, I could do something like:
if (circle.hitTest(square1)) { do so and so } else if (circle.hitTest(square2)) { do this and that } etc...
But that would be too long, since the engine has to be able to contain 100 squares without too much change in the code.
Does there exist a Flex view component that you could just pass it a custom object with all public fields/properties that it could reflect over and produce a basic UI view using flex components. Is it possible to use something like the Spark DataGrid with one item laid out vertically. It would only have to support:
I have a button in a movie that I want to set a global variable to a new value when clicked. I want it to access a parameter of a movie clip that this same button loads onto the movie for the new global variable value. I have the final line under this button's onrelease script with something like this:
globalvariable1 = movieclip.parameter;
Everything is on level 0 and I've tried prefixing everything with _root. but it didn't make a difference, the global variable still wasn't changed. I'm a newbie so don't laugh if this is a really dumb question!
I've been having trouble with a simple generic object. I took this example from the file : var myPoint:Object = {x:50, y:20}; When I paste it into a new flash file and trace it, I get x = 50 and y = 20 . As expected. When I paste it into a file I have been working on, in the root, on it's own layer, I get "undefined" for the x & y properties. There are no other variables in my file called "myPoint".
What I should do is parse an xml and from its node name create object property and then create an object array based on those property. Am I able to make myself clear.
I have 2 classes, Display holds the currently selected Component:
public class Display { public static var selectedComponent:Component; }
Component has an ID string and the selectedComponent variable is set on click:
public class Component extends MovieClip { public var id:String; addEventListener(MouseEvent.CLICK, function() {
[Code]...
Removing the selectedComponent variable type so it reads public static var selectedComponent; removes the conversion error and seems to change the ID variable but it appears to only be a copy of the object.
I have a URLVariables object (variables) that I'm setting its properties this way. [code]But the properties differ so I want to just pass an object in the following format and have it set the property names and values correctly.{fname: "fname", lname: "lname", address: "address"}I tried a forloop like this, but it's not working. Not sure exactly how I achieve the same thing as setting the properties manually.[code]
I have an Object that has several parameters. In this case they are Arrays. For example: myObject.Name, myObject.Description (myObject.Name is an Array that contains a bunch of names)How do you detect all the parameters that are attached to the object without having to use the debugger for each instance?
I have the Class and the parameters of its contructor as an object. What I need to do is a function that returns an instance of this class, passing this parameters to the constructor.
This is the code: Some random and unmodifiable class:
public Foo { public function Foo(a:int, b:String) { // constructor } }
And some function (in some another class):
function bar(params:Object):* { var baz:Foo = new Foo(params.a, params.b); return baz; }
What I need to do is make this function generic, without pass params as parameter to Foo constructor because I can't modify it. Something like:
function bar2(clazz:Class, params:Object):* { var baz:* = new clazz(/*some magic way to transform params in comma separated parameters*/); return baz; }
I am working on a side-scrolling platformer game. Because of this, I have a class that acts as a floor. I also have a class representing enemies. I am having problems with passing a parameter to a custom class' constructor. The class (SkullDemon.as) extends MovieClip. I am trying to pass an instance (called "floorL1") of a customer class called "FloorLevel1." "FloorLevel1" also extends MovieClip (I do not have a written .as file for "FloorLevel1"; I just exported the floor MovieClip to that class).
I am trying to pass an instance of "FloorLevel1" so that the "SkullDemon" object can land on the floor just like in a platformer. My main class is called "TME2_Main." This is the class from which I try to pass the "floorL1" instance to the "SkullDemon" class. This is how I try to create a Skull Demon instance and pass "floorL1" to its constructor:
[Code]...
What am I doing wrong here? I have spent a while looking for solutions (including moving code outside of TME2_Main's constructor),
Flash gives access to query-string parameters via calling loaderInfo.parameters() method.And I couldn't delete the field on the object. IS it possible to delete some fields in the object? how can I do this?
I'm trying to set 2 object each with different data, and pass it into another function as parameters, but when I trace for the data in the object, I can only get the 2nd object data. Seems like the 1st object was replaced by the 2nd object.
I want to serialize ThugtrisShapes' children (heritage/polymorphism) but his children like Right_LShape take constructor parameters,i have to assign it a default value (in my case null because they receive an Array type), but i get this error even when implementing IExternalizable.
Take Note: IForm extends IExternalizable.
here is a link i found about it but it still does not work...[URL]
Code: public class ThugtrisShapes extends Sprite implements IForm { var squares_:Array; var numsquares_:int=MAX_SQUARES;
[Code]....
I know that not all class' can be cloned , but cloning is an important aspect of OO programming.... There should be a solution for my problem,besides taking the parameter out of the constructor and add a setter.
I know this should be very simple, but in following the examples I can find on passing parameters from HTML to my Flash App I have not been successful. I would like to find a relatively current example using AS3, Flash CS4. I need to pass the url of an XML file off to the flash app so that it can go pick up instructions on what it is supposed to be playing. We want to do it this way because we don't control the web site so we can't just leave the XML file on the server and maintain it as needed.
I am trying to store my Application.application.parameters to my local variables For example: var myVar:Object = Application.application.parameters; So here is the tricky part, is I do ObjectUtil.toString(myVar) I can see all the values and properties. However if I do myVar.clientName or any other properties I always get null or undefined.
I'm wanting to write a Connector class for my first jump into AS3.A Connector object would take two display objects as parameters, and it would draw a connecting line between them.Whenever either object moved, the Connector would keep track of that and update the connecting line appropriatly.
var connector:Connector = new Connector(sprite1, sprite2);
Will Connector be able to register itself as a listener for when sprite1 and sprite2 move or does that have to be done outside of the Connector class?
What I'm trying to do is create a simple message class that I can pass a set of textfield parameters of my choosing rather than specifying each textfield parameter in the constructor.Is it possible to pass a textfield instance an object of parameters instead of setting each one individually?
Code: public class Example { private var message:String; private var messageTextField:TextField;
I have problem with accessing object created by function imported from another package. I have 2 packages DragDrop and UserInterface. In UserInterface I create methods for buttons and later add them in DragDrop . I make it in two different ways: One(this one works):
I have my flex object embedded to JSP page.The JSP page retrieves user information like user name and group from portal profile object and stores in http session parameters. The flex Object makes a remote call to Employee.class to perform persona based operation.
I retrieved the session id in JSP and also in the Employee.class both are same. But I am not able to retrieve the username stored in the http session from FlexSession. I read in the internet that the FelxSession will hold all httpSession information as well. It's always coming as null. Correct me if I am wrong.
I'm just starting with OOP in AS3 so apologies if this question is too simple...The goal of this script is to have a button change it's own features (colour and transparency) and change the alpha value of a loaded picture.There are 27 buttons for 27 (stacked) pictures.In the fla is the following code:[code]When I try to access the picture (= portrait class and the test_portrait var in the fla) it can't be found. The object and the loader have for example this path when I debug: Movie Clip: Frame=0 Target="_level0.p_4.l_4. But when I do trace(getChildByName("p_"+tmp_name)); in the P_button class it returns null. Doing the same trace from the fla returns: [object Portrait] Why can't I access it from the P_button class?
When you click on the button something happens. However it seems redundant to me that in the declaration of myListenerFunction, the event object e of class MouseEvent, actually has to have its data type MouseEvent mentioned.
