ActionScript 3.0 :: Class Inheritance Checking
Sep 7, 2011if I can do this in as3: I got two "Class"es and I want to know if A:Class is inherited B:Class without instantiat any of them?
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Flex :: Binding To A Base Class Property With Class Inheritance?
Feb 9, 2010say that i have a base class called Base, that is Bindable and has a String property like this:
[Bindable]
public class Base
{
public var msg:String;
[Code]......
where msg is some textInput field. I am getting a message from the compiler that....
Data binding will not be able to detect assignments to "msg"
is there a limitation with data binding to a base class?
ActionScript 3.0 :: Inheritance - Accessing The Properties Of A Class From Another Class
Oct 12, 2011I'm pretty new to fully using class's for my programming (in-frame scripting satisfied me for a while). I am having a problem accessing the properties of a class from another class. The first class (I'll call it controller) receives a reference to an object of another class (I'll call it display). Display have several specialized subclass (I'll call one SequencedDisplay). SequencedDisplay has a timer in it that I need to access:
[Code]...
ActionScript 2.0 :: Inheritance - How To Extend Class
Nov 9, 2010I am working on inheritance for the first time. Here is the super class
SetBlank.as
Code:
import flash.text.*;
class SetBlank {
public var _textFieldName:TextField;
public var _defaultName:String;
public function SetBlank(textFieldName:TextField, defaultName:String) {
[Code] .....
I can see the trace function working but the method which sets the text field to blank is now working.
ActionScript 3.0 :: Class Inheritance & Compilation Woes?
Jan 30, 2009example:
Code:
class Dot extends Sprite {
public function Dot():void {
ring.scaleX = 1.0;
[Code]...
If I attach the class Dot to the movie clip everything is fine, but if I attach the class Dottle to the movieclip the pre-export complains saying it can't find 'ring'. however, if I use this['ring'] everything works fine. I understand WHY this is, but I don't know what I should do to make it so it works w/out have to put this[''] around everything.
ActionScript 3.0 :: Linkage And Inheritance - Movieclips Set To The Corresponding Class?
Jun 4, 2009I'm creating an isometric game in AS3, Flash CS4.I created a file named Units.as which contains the following:
Code:
package
{
import flash.display.MovieClip;[code]....
The postoffice and cornershop movieclips have been set to the corresponding class names above.The file is in the same folder as the .fla and can be seen in the project window.When I compile, it doesn't include the Units.as file. Even if it just contains:
Code:
package
{
import flash.display.MovieClip;[code]....
if i create a class from the project window and select the movieclip in the library, it does include that file.So I'm assuming the compiler only includes .as files with filenames corresponding to class names.
ActionScript 3.0 :: Unable To Detecting Class Inheritance?
Jul 12, 2010I have a class called BgItem that I want many other classes to extend. But I also want to be able to use instances the BgItem class itself. Within the BgItem class file, I want to be able to detect whether the specific instance is of the BgItem class or an extension of it. I know I can detect if a class is in an object's chain of inheritance using the "is" operator, but how do I detect if a class is at the end of the chain?
View 5 RepliesActionScript 3.0 :: Custom Class Inheritance And Property Accessibility
Jul 24, 2010I'm having trouble accessing the variables of my main class from other class objects UNLESS the objects are extensions of the Sprite or MovieClip class, have been added to the display list as a child of the main class instance, and I am able to use the this.parent.variable syntax. What I'm wondering is, isn't it possible to have a simple Object declared and instantiated, residing in memory and able to access another object's properties, without it being a part of the display list? Am I doing something stupid here?
Let me explain the code a bit in case it's a design flaw on my part. (I'm still learning AS3 and am not completely fluent with it yet).
I have a project with about 15 custom classes. There are no frame scripts in the .fla file. I am using it basically as a library only. The document class (let's call it Calculator for this example) extends the Sprite class and specifies the properties for the SWF dynamically. All other classes are instantiated from this main class. I have a bunch of variables that I want accessible to the different classes, so to keep them in a central location, I have declared them in the Calculator class, and am trying to access them from the other object instances.
(It should be noted that there ARE animations that need to play at times, so I'm assuming I can't NOT extend the MovieClip or Sprite class when creating the document class.
For this example, let's say there's another class called XMLLoader.as, whos instance was created from within the Calculator class, that needs some information stored in the Calculator class' variables. Incredibly simplified code for the two classes might look like this:
Document class:
Code:
package {
import flash.display.*;
public class Calculator extends Sprite {
[Code].....
So, in the code above (I've bolded the most important lines in red), the only way I have been successful at accessing the variables declared in the document class from other classes is to extend the MovieClip or Sprite class when I create the custom class, add the object as a child of the document class (Calculator), create a generic variable cast to the datatype of the document class, and use it to access the variables.
This seems really excessive to me, and I'm wondering if it is, or if this is simply a limitation of ActionScript. Does, for instance, a URLLoader object actually need to be associated with a MovieClip included in the display list in order to access internal variables of the main class object? Is it me, or is that really convoluted? Shouldn't it be able to exist in memory separate of the display list and still have access to varibles declared from the main timeline (i.e. the document class in this case)? Is there no other syntax for accessing these elements? Have I done something limiting with how I've designed this or declared the variables?
Professional :: Inheritance - NewChars Class Extends MovieClip
Oct 6, 2011I am having trouble using inheritance, I made a class called newchars_2 that extends my class newchars and i get this error (newchars class extends movieclip):
1203: No default constructor found in baseclass newchars.
newchars_2.as:
package {
public class newchars_2 extends newchars {
private var obj_no = 3;
public function newchars_2() {
//contructor class
}}}
And when I want to import this class do I import both the class's or just newchars_2 because it has all the functions inherited?
ActionScript 3.0 :: Super Class Type - Override And Inheritance Chain
Jun 3, 2009Lets say I have the following inheritance hierarchy:
Code:
Select allpackage {
public class ClassA {
protected function foo():void {
// do something
}}} package {
public class ClassB extends ClassA {
[Code] .....
Now this is all well and good, as the call to ClassC.foo() will propogate through the inheritance chain; C > B > A. But what if I want ClassC.foo() to call foo() that is in ClassA and bypass the method call in ClassB? I have tried the following:
* Cast the method to the super-class type I want to execute, but this does not work as intended.
Code: Select all...
override protected function foo():void {
// do something related to Class C
// call ClassA.foo
ClassA(this).foo();
}
ActionScript 3.0 :: Accessing Stage Items While Main Class Inheritance?
May 5, 2011I've made it this way1. I made clip and it's main class (eg. timeline.as) - at this point it works2. I put code from main class to another class (eg. timeline_template.as) and in main class (timeline.as) I inherit it by :public dynamic class timeline extends timeline_template {3. I added stage items declarations in timeline_template.as because without that any code couldn't reach target an I got 1120: Access of undefined property xxx after these steps whole clip works but items on stage ( buttons, etc. ) are not affected by code. That's logical because code references to properties declared in timeline_template but not in timeline.fla. But how to get around that - I need several usage of timeline_template and I would like to avoid code redundancy
View 3 RepliesActionScript 2.0 :: 'reverse' Inheritance - Parent Access The Properties Of A Child Class?
Feb 10, 2005i've got an inheritance chain of AS2 classes set up where i have an array in the 'child' class that i'd like to be able to access from the 'parent' class:
bottomClass.as -'parent'
topClass.as -'child'
my question/dilemma is: how can the parent access the properties of a child class...is this even possible, or am i just looking at it wrong?
ActionScript 2.0 :: 'reverse' Inheritance - Parent Access The Properties Of A Child Class?
Feb 10, 2005i've got an inheritance chain of AS2 classes set up where i have an array in the 'child' class that i'd like to be able to access from the 'parent' class:
bottomClass.as -'parent'
topClass.as -'child'
my question/dilemma is: how can the parent access the properties of a child class...is this even possible,
ActionScript 2.0 :: Checking To See If One Instance Of Class Hits Other Instances Of The Same Class?
Dec 23, 2006Let's say i have a bunch of balls/cells. I'm having trouble figuring out how to make it so that every other ball bounces off of every other ball.
so in short, it's really one instance being able to check all other instances of the same ball class?
ActionScript 3.0 :: Inheritance / Interface - Override A Function That Return An Object Of Class A And Make It Return An Object Of Class B Which Extends A?
Aug 4, 2009I'm having some troubles with the use of interface and inheritance in AS3. I've done lots of OOP in the past and what I'm trying to do seems obvious to me, but doesn't work in AS3. The question is : Is it possible to override a function that return an Object of class A, and make it return an Object of Class B which extends A ? It seems not to be possible, since I'm getting a signature error in Flash, when compiling. For example, the following set of class do not compile (the code in function definition doesn't matter):
[Code].....
ActionScript 3.0 :: Checking The Parent's Class?
Oct 27, 2010How can I check what a parent MovieClip's class is?I have a Terrain class that I only want to use a function when the parent movieclip is a specific class, so that the terrain object can be used by multiple classes, but only launch that specific function when the parent's class is "WorldBase". How can i detect this through the Terrain class?
View 1 RepliesActionScript 3.0 :: Class To Checking Browser Caching?
May 31, 2010Is there a way to check if the user has my site cached so it can tell my preloader not to run?Or is there an easier way to check this? I have a preloader, but once it hits 100% it makes a mess. It's not all that appealing. It works if you see it loading, but just to see the mess at the end is not aesthetically pleasing.Is there a way to have the Flash movie say, "Oh. You've already got this loaded? Skip animation." ?
View 5 RepliesActionScript 3.0 :: Checking If Class Is A Subclass Of Another One Without Instantiating?
Jan 14, 2009Here is the code:
ActionScript Code:
private class someFunction(classRef:Class):void
{
try
{
var instance:Object = new classRef();
[Code]...
Can I perform the check without instantiating?
How To Stop Inheritance
Jul 28, 2010I have a parent MC (I'll call this mcFrame) on the stage that is essentially a square "picture" frame which I have applied a 'drop shadow' filter to. I have a child MC (I'll call this mcChild) which I have added to the displayList via AS3. This child MC contains a couple of paragraphs of static text.
So here is my problem: The 'drop shadow' filter I applied to the parent MC also appears on the static text (or any other type of content) in the child MC, how do I keep this from happening? To re-word my question? How do I stop the Child MC from inheriting the filters applied to its Parent MC.
AS3 :: Getting My Inheritance Variables Worked Out?
Mar 16, 2009I'm having trouble getting my inheritance variables worked out. In 'plain English', this is what I want:
base class enemy:
{variable HP;
if(HP<=0){remove instance}[code].....
But when I try to do this, it just gives me some error either about conflicting namespace or about the variable not being defined. I've done stuff like this before in GM and Python, but I don't understand how it's supposed to be done in AS3.
ActionScript 2.0 :: MX OOP Inheritance And Callback's
Sep 29, 2003i made an example so i can explein the prob better.[code]I am making a class and if have another build in object in it. I what to add a callback to it but the inheritance is not right. I know how the set up inheritance
1) subClass.prototype.__proto__ = superClass.prototype;
2) subClass.prototype. = new superClass;
but its all messed up in my head so I was hoping someone could point me in the right direction on how to get the callback to work with out messing up the LoadVars class too much
ActionScript 3.0 :: Inheritance Of Library Symbols?
Dec 20, 2009Is it possible to inherit the objects of a library symbol?Say I have a symbol named Testwith a red rectangle inside of it (defined in the main .fla file) named Member.
Code:
package
{
[code].....
ActionScript 3.0 :: Classes And Inheritance Of The Constructor?
May 8, 2009I have three classes (shown below, after the problem description).The first class (InteractiveStrategy) is the main class definition. In there I declare and instantiate two variables, download and upload, both of DataTxRx class.
On instantiation the folowing error pops up>> 1203: No default constructor found in base class strategy:DataTxRx public function Question(){ The second class, DataTxRx does two things only, either to download data or to upload data. As shown in its constructor, if the required parameter 'direction' is equal to DOWNLOAD, it calls the DownloadData() function. Similary, it calls the UploadData() if the required parameter is equal to UPLOAD.
The third class, Question extends the DataTxRx class, but itself has no constructor. However it has other methods(not shown) for adding, modifying and deleting questions anomg others.
package strategy{
import flash.display.Sprite; import flash.events.*;
import strategy.*;
[code]....
ActionScript :: Component's Properties Inheritance?
Dec 6, 2010I'd like to create some kind of component's properties inheritance to create generic behaviors in my component.Imagine I work a lot with textfield based components (counters, animated text... and so on), I'd like my artist to custom these components without being scared by the "update" button. Today, when component's code is updated, my artist has to update every flas using these components, and all of them are re-set to original look (if he had customed font color, or font size by duplicating the component instance, everything is set back to the current look of component).
That's why I'd like to know if there is a way for a component to inherit some of its properties and behaviors from another component class ?
Actionscript 3 :: Inheritance And Getters And Setters?
Feb 7, 2011package
{
import flash.display.Sprite;
public class AbstractTarget extends Sprite [codee]................
And then I have a class called "Target" that extends AbstractTarget...how do I access the __movement property? Do I have to write the getter and setter in my Target class also and override both functions/methods?
Actionscript 3 :: Inheritance Protected Methods?
Mar 7, 2011If you have a method in your base class that is protected, can you override this method in your subclasses?
View 1 RepliesFlex :: AS3 - Inheritance And Factory Method
Mar 22, 2011My data is of mixed types like String, Array Collection, Boolean. I have to populate the data into appropriate UI component - for example Boolean to check box, Array to List. So we have created a factory class which will return 3 different type of component based on the input argument.
CTextfield -> extends mx.controls.Text
CList -> extends mx.controls.List
CCheckBox -> extends custom.MultiLineCheckBox
MultiLineCheckBox which extends mx.controls.CheckBox and few methods are overridden to bring the multiple line label. [URL]. It works perfect.Am using the MultiLineCheckBox in the entire application wherever I want check Box. Now I went into a scenario where I want check Box instead of MultiLineCheckBox. How to rewrite my CCheckBox to handle MultiLineCheckBox and also default CheckBox? Each of the CCheckBox class has lot of methods init.
Actionscript 3.0 :: Inheritance And Getters / Setters
Dec 21, 2010fact: using my setup, a class that inherits from another class does not inherit the parent class' getter/setter methods.
View 2 RepliesActionScript 2.0 :: How To Work Around No-multiple-inheritance
Feb 13, 2005I am looking for an example that will show me how to work around the no-multiple-inheritance problems in AS2. I have a class that extends the UIComponent, but I also want to extend the XMLSocket. I've looked and looekd and see no good example for when I'm writing my class.
View 4 RepliesActionScript 3.0 :: Fake Multiple Inheritance In It?
Feb 13, 2007Without being able to modify the prototype chain, is it possible to fake multiple inheritance in AS3?
Say I have three Window classes. One is a DraggableWindow, one is a ScalingWindow, and one is a BorderWindow.
I want to mix and match new subclasses at runtime without having to make tons of new permutations of Window subclass possibilities.
Sure, I can implement these behaviors of the Window class as interfaces, but I would still have to account for all the permutations of interface combinations.
