Actionscript 3 :: Bad Form For Child Components To Call Methods On Their Parent?
Feb 4, 2010
I have a parent class that instantiates a MenuClass and handles transitions between pages.[code]And here's the MenuClass which creates forward and backward buttons. Clicking each will tell the above ParentClass to transitionForward() or transitionBackward() respectively.[code]One one hand, I feel like the MenuClass is too tightly bound to its parent and is thus less reusable. On the other hand I feel like, in the interest of keeping everything self contained, it's not the ParentClass's responsibility to reach into the MenuClass instance and add event listeners there. This seems like there should be some kind of OOP rule-of-thumb to govern this kind of relationship.Is my MenuClass too tightly bound to its parent? And if so, do you have any suggestions that would loosen that coupling?
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Sep 14, 2010
Imagine the following setup. The main swf loads a child swf.In AS2 i would simply use _parent or _root to call the desired function. How can that be done in AS3?Can this still be done? Can I call a function on the main swf from the loaded one? How about the other way around, this time, from main to loaded swf?
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Mar 7, 2009
I have a function (let's call it testFunction for right now ) on the actions layer in the main timeline There is a movie clip with 15 frames long in the library
i want to add a child of the movie clip on the stage, and call testFunction when it finishes playing
how can i do? i tried to call it in the child but nothing works
Or, is there any way to show child on the stage for only a period of time like 1 second and then remove it automaticly?
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Jun 16, 2003
I'm working on a Flash MX application which involves a Parent movie and a Child movie.
I've loaded the Child movie into the Parent movie using LoadMovie. The instance name of the Child movie is Child1.
In the Child movie I have a user-defined function called getChildXML (we don't need to get into more details about the function).
The point here is that I want to call the getChildXML function from the Parent movie. I've tried something like Child1.getChildXML(); but with no luck.
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Jun 1, 2011
Is it possible to call a child function from within the parent? I know to go child > parent, you can do parentApplication.functionName(parameters);, but what about going the other way... that is parent > child?
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Dec 22, 2009
I loaded external swf named child.swf from parent.swf. i am having a function called parentFunction() in parent.swf. I want to call parentFunction() from child swf.
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Jan 2, 2009
this is the code i found out on the web to call a function in the parent swf from the loaded child swf.
in the child swf:
Code: Select allpanel.next_mc.addEventListener(MouseEvent.CLICK, onClick);
function onClick(e:MouseEvent):void{
MovieClip(this.parent.parent).parentFunction();
}
[Code].....
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Apr 28, 2010
I m working in flex3.0 and i just want to know that how can i call a function from fms server to my AS3.0 (Client Side) code.i tried the syntax client.call(methodname,null,null); but my flex code throw exception unable to call the method.here can i use clientobject.call (methodname,null,null) and is there some special way to declare that method at client side.
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Jan 12, 2010
I have a main MovieClip that creates a new instance of an imported class which is a page in the application. This class tries to call a function on the main MovieClip and it's not finding it. I've done this in the past without any problems with separate swf files and loaders, and with movieclips in a library. I'm at a loss on how to resolve this. Here's what I'm doing (simplified for posting):
[Code]....
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Apr 28, 2010
Basically I have 3 swf, parent.swf, child1.swf and child2.swf
parent.swf loads child1.swf
child1.swf loads child2.swf
child2.swf consists of 7 buttons which when click it will 7 different swf files.
My problem is I want to call those buttons name/instance name to my parent so that when click it will load its corresponding swf file.
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Apr 8, 2010
one of my problem is that how do i call the instance name of a button from my child.swf to my parent.swf
i have four buttons from my child.swf where when i click btn1 it will load superchild.swf but i want to load that superchild.swf to my parent.swf, like instead btn1 calls superchild.swf to load, btn1 will call parent.swf then on parent.swf it will distinguish that btn1 was click from child.swf and it will now load superchild.swf.
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Jul 29, 2011
I got a Parent Sprite, let's name it SpriteP, which holds inside it two other Sprites. Sprite1 and Sprite2.[code]Sprite2 is a rectangle. When I rotate it, of course, the height of its parent, SpriteP, GROWS. But I would expect that height to go back to what it should be when I'm removing Sprite2!And it does! If I remove Sprite2 while NOT being rotated, the height of the parent drops back to normal, 200.
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Jun 6, 2011
i am slightly confused about the parent and child relationship. lets assume we have several different instances, what would be difference of adding them all as children of the stage and creating a parent-child hierarchy between them(other than the access path).
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Jul 29, 2011
I got a Parent Sprite, let's name it SpriteP, which holds inside it two other Sprites. Sprite1 and Sprite2.
When Sprite2 is NOT rotated:
Code:
trace(SpriteP.width + ' ' + SpriteP.height); //100 250.
SpriteP.removeChild(Sprite2)
trace(SpriteP.width + ' ' + SpriteP.height); //100 200. -> works, 200 is good.
When Sprite2 is rotated at 90:
[Code].....
And it does! If I remove Sprite2 while NOT being rotated, the height of the parent drops back to normal, 200. But if I rotate Sprite2, the Parent won't update its bounds.
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Feb 5, 2010
[code]All clips are squared.Ok, on the PlayerPlane, there are little soldiers, which have hotkeys. The effect I'm trying to create is I want to position the GameStage so that the currently selected soldier appears in the center of the GameClicker clip.The GameStage is movable by the player (to scan other areas of the map)by holding the CTRL key, so it's easy to kinda lose track of where your players are.I have tried using localTo Global and globalToLocal techniques, but I think I'm lost on the actual math of getting the GameStage to move the correct distance so that the selected soldier is centered to the GameClicker.[code]
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Mar 15, 2012
I have load child swf in parent swf, from child swf i am trying to run my parent swffunction I am trying this code
MovieClip(parent).testfun()
but this code is giving error.
TypeError: Error #1034: Type Coercion failed: cannot convert flash.display::Loader@2b1aa061
[code].....
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Nov 25, 2010
Lets say I have a Main Document Class called Main. I also have a child class called childClass that call a function from the Main class and is also imported in the Main class. How should I call the function? I tried this , but when calling the function, it's getting me error.
Main class :
Code:
package {
import flash.display.Sprite;
import com.childClass;
[Code].....
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Jan 3, 2010
I got a "preloader" that creates an movieclip and loads an SWF. Now in the loaded SWF i want a close button to go back to the "preloader". The preloader isn't an actuall preloader but some sort of mainclip.Now i tried this:removeChild(MovieClip(e.currentTarget).parent.pare nt.parent)But i get error:ArgumentError: Error #2025: The supplied DisplayObject must be a child of the caller.at flash.display::DisplayObjectContainer/removeChild()at MethodInfo-6()
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Sep 11, 2010
if I add a clip to the stage as a child and remove the parent and set the parent equal to null, does the child get collected and removed from memory? What if the child has an image loaded into it as its child?
In my application I'm loading a series of png images as overlays that can be tinted for customizing in this app. When I trace my memory, the basic app idles at 64,000 k. The exact second I load those overlay images it goes up to 205,000k. If I remove those clips and "clear" the stage I should go back down to 64,000 k if everything is removed and collected correctly, right? It's not, it's hanging at 215,000 k. Are my images being cached and that is the reason for the memory staying up? If so, how do I prevent that. Or upon removing the parent of the image how can I un-cache the image.
If a user switches between models and loads several different items then the application actually crashes the Flash environment because of too much memory usage. It also does the same to browsers.
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Nov 11, 2009
I have a parent swf which loads many child swfs (though only one is displayed at a time). My intention was to use the loaded SWFs document class to retrieve an array of objects to be assigned a tab index, combine this with the parent's own array of objects and apply sequential tab indices to them all. But what happens is actually that the parent's objects are assigned an index, but the external swf is unaffected. In fact, the external swf retains its automatic tab indexing, when I would expect that having set a value for InteractiveObject.tabIndex, automatic tab indexing would be disabled.
I've seen similar tales elsewhere. Most posts I've read are wanting to load an external swf, give it focus and loop through those objects, then close the swf and return to looping through the parent. However I would like loop through all objects as one. including manipulating the focus manager(s), and basically fiddling with every tab-related property I know.
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Sep 29, 2011
trying to on mouse over set the parent of the moused over text field to the highest depth child of its parent i tried both of these: [code] private function
[Code]...
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Nov 7, 2011
i want to pass the variable from parent to child .How Can i pass the Variable.Here i paste my code.
My Parent Class
public class PlayerStrobe_domaincheck extends Sprite
{
private var myService:NetConnection = new NetConnection();
private var _loader:Loader;
[Code]....
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Jul 27, 2011
When I create classes, often I want to remove methods of the parent class (such as addChild(), perhaps), and I just override the method and have it throw an error. Is there a way to remove it completely?
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Aug 21, 2010
I have an issue where removechild won't infact remove a child. I think its something to do with my dropTarget.parent issues. The concept of the code is that you drag a source onto a destination. When you drop the source onto the destination you will get a text field that says "Hello" or "Goodbye". The objective i want to achive is that once i drop a source onto the destination, removechild will remove any previouse textfields added. This is proving difficult.
[Code].....
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Aug 24, 2010
I am trying to make a calculator where a user can select from a list of items. If a user clicks say "ITEM1", it should add the item to a "CONTAINER_MC". The problem i have is all my data is set inside an array containing names and prices like the code below.
[Code]...
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Oct 6, 2010
Here is a working script to drag drop a ball from the stage into another target mc:
ball.addEventListener(MouseEvent.MOUSE_DOWN, pickUp);
stage.addEventListener(MouseEvent.MOUSE_UP, dropIt);
function pickUp(event:MouseEvent):void{ [code]...
It works well but I'm new to AS3 and I am having difficulty amending this script to drag the ball out of a parent mc (instead of the stage) and onto another mc (the target mc). To explain: imagine a ball, a box, a tri, + more shapes all within a scrolling mc (initial parent), the user scrolls to select a shape, then drag-drops onto a target mc on the stage.The scrolling is no problem, but how would you amend the script above so that the ball can start inside a parent mc rather than on the stage itself?
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Feb 13, 2008
I've written a pre-loader for my game, it uses Loader, URIRequest and LoaderInfo to display a bytes left/total counter as the main game SWF loads - this all works fine.
However what then happens is that the main SWF constructor is called, so the game starts running "in the background" while the pre-loader finishes off.
I moved the 'start game' code from the constructor into a different function but I'm now left with the issue of how can I actually tell the main game SWF to start?
You can't do loader.content.go() (where go() is the function I want to call).
How can I access methods of a loaded SWF? Or is there another way? I tried dispatching a custom Event from the pre-loader, but the game SWF just never heard it - but is this the right way to go about things?
I really want to pass some bits of data from the pre-loader into the main game SWF too, but until I can figure out how to make them both talk I'm totally stuck! Is there a way the game SWF could reference any variables set by the preloader?
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Nov 22, 2010
I'm trying to call methods from a class to no avail. It just tells me that I have undefined methods.[code]
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Jul 14, 2008
I'm interesting in following methods:
Code:
Function.apply ();
Function.call ();
I tried to copy Function.call () example in my custom class, but errors occurs.
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Dec 18, 2009
If i instantiate class B (not a display class) in class A whats the best way to call some methods in class A from class B ?
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