ActionScript 3.0 :: Pass Variable From Event Listener?
Feb 13, 2010
I headed some problem which can't solve. It's simple. I'm making slideshow, and wanna pictures to be dynamically loaded. List of images is stored in list.xml - a valid xml file. Now, here is piece of the code:
var imgno :Number ; //the var which tells the number of images listed in list.xml
var myXML:XML;
var myLoader:URLLoader = new URLLoader();
[Code]....
So, the triggered function processXML cannot change value of any variable which stands out of her. Is there a way to export (in this case) information about amount of images listed in list.xml to some of the variables that I can use later (for example imgno).
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Aug 29, 2008
How do i pass a variable to a function from an event listener which is inside a function Below is a function that is called when after loading some variables
function dataOK(mydataevent:Event):void{
var j:int = 0;
do {
trace(j);
[Code]....
This is a simplified version of the original code. The above function generates an error because j is undefined in the function. I am wanting to get the variable j when the button is pressed.
How do I pass the variable j to the Button_Click function?
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May 8, 2010
I have 3-4 swf those i want to load one after another like a slideshow.What i want to do is get the total frames of loaded swf and want to pass that value to Timer object's delay parameter. i have converted total frames to milliseconds so i can use it in timer constructor. But i am not getting the value of that variable outside of my Event.COMPLETE listener method. Here is my code what i have done
[Code].....
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Jun 23, 2011
private function myFunction(numIn:Number){
trace ("numIn " + numIn);
}[code].....
This won't work, but can you see what I'm trying to do? It's kind of like a function pointer, or when you pass a function name into an event listener.
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Feb 22, 2010
In AS2, I often found it useful to pass arguments to a function on a button press like so:
btn.onRelease = function(){
doSomething("arg1", "arg2", "arg3");
}
I searched the interweb for DAYS trying to find how to accomplish this via an event listener in AS3, but everything I found suggested creating a custom Event. The problem with this, is you have to decide the arguments you wish to pass in advance, and I wanted to create them dynamically on the fly ( for example: passing a string that a user entered into a textfield to some function for processing ).
So last night I spent hours scouring forums - and UREKA! I finally found something that I was able to tweak to send a variable number of arguments of any data type. I've never posted on a forum, but it was such a breakthru that I had to share it with the world.
Here is the code:
btn1.addEventListener( MouseEvent.CLICK, function onClick(e:Event ) { displayArgs(e, new Array("Larry", "Curly", "Moe") ) } );
btn2.addEventListener( MouseEvent.CLICK, function onClick(e:Event ) {
[Code]....
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Jun 20, 2011
Since when using sql lite if you try and do a function at the same moment it throws an error, im just trying to make a function that will check if its executing, and if it is try again in 10 milliseconds, this exact function works fine if i dont have to pass any arguments to the function but im confused how I can pass the vars back into the function it'll be executing.[code]
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Aug 19, 2009
I am trying to pass an additional arguments to my listener function, like this[code]...
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Mar 12, 2011
I am familiar with event listeners, of course, but I was wondering if it was possible to pass along a variable with an event. For example:
ActionScript Code:
button.addEventListener(MouseEvent.CLICK, doSomething('yay'));
function doSomething(e:MouseEvent, s:String)[code]....
if someone clicks on the mc named 'button' I would like this to trace the text 'yay'.
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Feb 10, 2010
Is there a way to add an event listener to a variable?
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Aug 2, 2009
I was wondering if there was a way of tracking a variable change? Perhaps using some sort of event listener for it?
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Aug 17, 2009
how do you pass a variable to a listener function? Im trying to add bmp when the mouse goes over this class but i keep getting the undefined error.
Code:
package FlashPackage{
import flash.display.*;
import flash.events.*;
[Code].....
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Sep 28, 2011
I'm trying to return XML from an event complete back to the main function, but can't figure out how to do it.Here's the functions I'm calling:Main File:
public var mySendAndLoad:SendAndLoad = new SendAndLoad();
mySendAndLoad.sendData(url,variables)
The mySendAndLoad class:
[code]........
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Oct 8, 2009
Is this a valid way to completely clean up a variable/object event listener (code abbreviated for sake of example):
Code:
private var _timing:Timing;
...
[code]......
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Feb 6, 2011
I am running a loop to pull thumbs into a containing movieclip from an xml list. What I want to do is have the thumb's parent movieclip fade in after they are done loading, but I can't figure out how to reference the parent once it's loaded.My code(which currently doesn't work the way I want it):
var vsThumb:articleBox;
var currentarticleX:Number = 0;
var articleLinkURL:String;
[code].....
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Feb 20, 2012
I COMPLETELY MESSED UP MY CODE AND DID NOT CHANGE THE MOVIECLIP NAMES WHEN COPING IT INTO STACKOVERFLOW. SO IT MADE NO SENSE.
I am wondering if there is a better way to accomplish the following as3:
//THREE EVENT LISTENERS
shoe_icon.addEventListener(MouseEvent.MOUSE_DOWN, shoeApp);
top_icon.addEventListener(MouseEvent.MOUSE_DOWN, topApp);
[Code].....
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Feb 4, 2009
this is the error I am having:
TypeError: Error #2007: Parameter listener must be non-null.at flash.events::EventDispatcher/removeEventListener()
at project1_fla::MainTimeline/btnName()
here is my code:
ActionScript Code:
import caurina.transitions.Tweener;
import caurina.transitions.properties.ColorShortcuts;[code]..........
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Jul 7, 2011
I am trying to learn JavaScript and I am wondering whether JavaScript has a event listener just like ActionScript's ENTER_FRAME. Basically, I want this event listener to listen "all the time" not just wait for any particular instance (mouse click, keyboard event) of event.
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Nov 17, 2011
if I have an event listerner (mouse, keyboard, enterframe,....event) that is being triggered, and when it finishes its event, something that is able to detect the finished event listener and fire out another sets of event.
It works more like MOTION_FINISH in TweenEvent, but it is only available for TweenEvent only, what if I want to detect a mousclick, keyboard, enterframe or even touch event?
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Feb 23, 2011
My stage has about 25 buttons on it. Each button when pressed to tweens the background to some random x/y coordinates and then loads an external swf file.This is all working, but the timing is off. How can I wait for the initial background tween to end before I make the loader call to the .swf file.Currently each button's behavior is called on the MouseEvent.CLICK event which calls a function that knows its unique filename.swf. I know you can add the MOTION_FINISH even to the tween event but then I would have to call a new function and lose track of the button that initially called it.
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Feb 27, 2007
I'm moving on to my next massive programming project and I'm trying to decide whether I should code it in as 2.0 or 3.0. I came across the new click event model in 3.0. Right now it's looking like a pain in the butt to me. So now I have to make a function and add it as an event listener? what the hell? What's the benefit? I understand stuff like this makes AS a more complete language but it's kinda annoying.
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Aug 20, 2009
This is a very basic question but I can't seem to find an answer. I have a mouse over event and have created the buttons with the mouse overs which is working great. I created the actionscript to go to a specific web page when a user clicks the button. Now, I need to add a label to the mouse over so when someone mouse's over any area of the button, it will show them a particular name for the button.
I am sure that this can be done using actionscript in a mouse event roll over command but I can't figure out what I need to show the text. Here is where I am:
[Code]..
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May 13, 2010
how can i access event.target outside event listener method.say for example
my_mc.addEventListener(MouseEvent.CLICK, onC);
function onC(e:MouseEvent):void
{
var m:MovieClip = e.target as MovieClip;
}
trace(m.totalframes);/// not working
now what if i want to get totalframe property of m instance, in short for every movieClip clicked.
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Jul 8, 2011
I am doing this inside a module containing viewstacks and their childs.Calling onInit() on creationComplete of module.When I am inside one of the childs of a viewstack of this module and press Enter, it doesnt not invoke the listener function at all (bp inside this does not get hit).
private function onInit():void{
this.addEventListener(KeyboardEvent.KEY_DOWN, keyPressed);
}[code]..........
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Nov 18, 2011
This might be more of a subjective question, but is it generally best practice to have one dedicated method per event-types that you add an event-listener?
Such as:
myButton.addEventListener(MouseEvent.MOUSE_OVER, onMouseOver);
myButton.addEventListener(MouseEvent.MOUSE_OUT, onMouseOut);
//Somewhere else in the code...
[Code].....
And if you had a MouseEvent.MOUSE_UP, MouseEvent.MOUSE_DOWN and other relevant MouseEvents event-listeners to watch for, you could even set a switch statement to handle all the various MouseEvent types.
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Jul 30, 2009
I have these buttons in a movie clip and I would like to have only one event listener for the parent, using event.target to point to the children. I have also tried event.currentTarget, and it didn't work.here is the code that works:
test01.abtn.addEventListener(MouseEvent.ROLL_OVER, mouseHandler);
test01.bbtn.addEventListener(MouseEvent.ROLL_OVER, mouseHandler);
test01.cbtn.addEventListener(MouseEvent.ROLL_OVER, mouseHandler);[code]....
It is only targeting the movie clip, not the buttons inside the movie clip.
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Apr 6, 2008
Trying to pass a variable as well and cant seem to escape to pass it. How can I pass using window.open as such: Trying to pass (pid) all i get back is (pid) and not actual pid.How to on a jscommand?
Code:
something.onRelease = function () {
var jscommand:String = "window.open('http://www.someform.php?proj= + (pid)','win','height=200,width=300,toolbar=no,scrollbars=yes');"; getURL("javascript:" + jscommand + " void(0);"); }
I can do a standard getUrl("http://www.someform.php?proj=" + (pid), "_blank"); works fine but no control over window properties.
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Jan 7, 2010
how to add an event listener to an event from a custom class. Here are the relevent lines of code (I think) from the class:
[Code]....
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Nov 3, 2009
I have a code in AS3 that works when you rollover it. I need to use the same code but not with an eventlistener for a mouse event but a frame event when the timeline plays the clip
var coordX:Number = shaker_mc.x;var coordY:Number = shaker_mc.y;var timer:Timer = new Timer(10); shaker_mc.buttonMode = false; shaker_mc.addEventListener(MouseEvent.MOUSE_OVER,startShake);shaker_mc.addEventListener(Mous
[code]....
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Apr 20, 2010
printableInvoice.addEventListener(batchGenerated, printableInvoice_batchGeneratedHandler);Results in this error: 1120: Access of undefined property batchGenerated. I have tried it as FlexEvent.batchGenerated and FlashEvent.batchGenerated.
The MetaData and function that dispatches the even in the component printableInvoice is all right. It I instantiate printableInvoice as an mxml component instead of via action-script it well let put a tag into the mxml line: batchGenerated="someFunction()
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Apr 18, 2010
I have:
Class my_class
{ public function my_class( an_mc )
{
[code]....
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