ActionScript 2.0 :: Event Listening Between Classes?
Jul 10, 2009
I am an AS3 coder, but I've been given project that needs to be done in AS2, and am having trouble understanding the events model. Inside my controller movie clip, I have a draggable movie clip that dispatches an event when it reaches a point. I cannot for the life of me figure out how to get my controller to properly listen to the event.
The dragger dispatches the event as follows:
Code:
var eventObject:Object = {target:this, type:'Snapped'};
dispatchEvent(eventObject);
Controller script--the complete handler never executes
[Code]....
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Nov 1, 2009
i have a question to ask about asynchronous key controls This was what i did
[Code]...
and i checked with [URL]...?newspage=6249 and it looked more or less the same, so why is it that when i move my character and when i hold down a key, it just keeps on listerning to that keypress event listener, instead of just executing the other event. So say, i tap left and after which i tap right, it will work just fine, but if i hold left and tap right, the event listerner will still be listening to the left key. So, i was wondering could anyone point me in a direction as to how should i make my code stop listening to an event as soon as another event has been dispatched?
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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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Aug 24, 2011
what should i do to get chart's data on the click of respective data Legend. suppose i have array [{id:123, label:sales, year:2010},{id:124, label:refunds, year:2010}]for a column chart which has year in x-axis and sales iny-axis.two legend showing labels sales and refund.What i want is to get the whole data (id:123, label:sales, year:2010) on clicking of the legend 'sales'.What should i do? I tried listening mouse click event and itemClick event.
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May 5, 2011
`i'have a problem with listening events dispatching from their child classes. for example i have contentManager object which is controlling content at the top level of stage. it has a imageGallery object and in the imageGallery objectthere ise a collectionLoader object which is loading images.
now i want to add one preloader to contentManager which always listen for ProgressEvent. when the progressEvent dispatched i want to preloader going to active. becouse there is another objects that are loading images or other kind of files. i think it is a good apporach to solve preloader issue. so my problem is, when collectionLoader object loading images with using queLoader. my QueueProgress event dispatches ProgressEvent evey time, but my preloader object stand at the 2 classes up level, doesn't percive this event.
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Mar 24, 2011
trying to use some code I have used in the past to pass args through an event listener. This is what I am doing, using an inline function. I dont completely understand how it all works, but know that in one open FLA it works and in the other it does not. The error thrown is #1178: Attempted access of inaccessible property spotlightBox through a reference with static type..." SpotlightBox is the name of the function I'm trying to pass data to.
The main difference in the two FLA's is that, in the broken one, it's constructed inside a for loop. My work deadline is in tomorrow and I am stuck. This is being used inside a with block for each sprite:
addEventListener(MouseEvent.ROLL_OVER, function onRoll_Over(e:Event) { spotlightBox(e, new Array("5"))});
And here is the function:
function spotlightBox(e:Event, arg:Array):void{ trace(arg[0]);
}
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Dec 31, 2009
I have two classes a Player class and a Bullet class.
In my Player class I'm dispatching an event(to fire a bullet) when the SPACE bar is pressed.
Assuming I already have an Event Class named FireEvent.
How would I write my code to listen for that event dispatch in my Bullet class in order to create a function to fire the bullet?
Player class
ActionScript Code:
package{
import flash.ui.*
import flash.events.*
[Code]....
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Jun 23, 2010
I have a parent swf and eight child swfs. The child swfs are loaded into an array at runtime on the parent swf using a Loader. I have buttons and functions on and in the parent swf to change out the child swfs. This all works just fine but here is my issue. On each of the child swfs I have buttons that need to call the functions in the main swf to change out the child swfs. The program is an interactive virtual tour and I want to be able to click on a door and have the next room's swf displayed in the parent swf. I'm trying to do this by dispatching an event from the child swf
ActionScript Code:
mainPanorama.bedDoor.addEventListener(MouseEvent.CLICK, dispatchBedroom);
function dispatchBedroom(e:Event):void {
dispatchEvent(new Event("loadBedrooms"))
}
that needs to be heard by the parent swf and the appropriate function called.
ActionScript Code:
objectsArray.addEventListener("loadBedrooms", loadBedroom);
function loadBedroom(e:Event):void {
tourNum = 5;
unloadData(tourNum);
}
So far this specific code keeps telling me that addEventListener is not a function. I've tried quite a few variants of stage, this, and parent combinations in place of objectsArray but unfortunately something in the parent swf is not hearing the event dispatch.
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Oct 27, 2009
I am making a game and I am having problems getting a class to handle a custom event... I know the events are firing because I put some trace statements into my custom event class. Here is how it's set up: I wrote a Singleton class to handle all game controls:
[Code]....
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Aug 30, 2010
I have built a flash movie that is located here: http:[url]......For some reason after the timeline plays through completly (after the "headshots and potfolios" slide) the listener on the "child and family portraits" button stops listening or responding. Why is that? All the other event listeners are behaving themselves except this one? Here is the actionscript:
McChild.addEventListener(MouseEvent.MOUSE_OVER, fl_MouseOverHandler);[code]...........
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Sep 11, 2010
I have a file TestClass.as:
[Code]...
The dispatchEvent is definitely sending - returns true when I do trace( this.dispatchEvent(new Event( "initComplete", true))); When I run test.fla, fails silently. Function startUp fails to run.
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Jan 28, 2010
I have a piece of software I'm working on that is using a viewstack with 3 canvases. With the change event I need to look for index 2 which is the last canvas when it changes to this canvas I need it to grab data from inputs from the previous two canvases.Within the viewstack events I've assigned the function change() to the event childIndexChange.
Here is the method:
private function change():void
{
[code].....
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Mar 16, 2011
I am sending an event when an sql query returns no matches so that I can continue with the addition to the database.. It seems like actionscript is requiring that I attach the listener to something, but I don't really have any variables that seem like logical candidates at the point where I am in my code. I just want to listen for the isNewRecord event to be called so that I can then run the insert query; right now it's saying call to possibly undefined method for addEventListerner and for dispatchEvent.
public function addBG(BG:Number, datetime:String, batch:Boolean = false):void{
checkRecord('Gb', datetime, matchRecord);
addEventListener("isNewRecord", recordExists);
function recordExists(){
[Code] .....
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Feb 18, 2010
I have a class in which a mc is used as a button. I want to use this button to remove from the stage its parent instance. Here is a small part of the class called LightBox
[Code].....
Is it possible to set an event listener of some sort onto this button, but have it listened for out on the maintime line? That way, when its pressed I can react to it from the main timeline and delete it? Or am I going about this the wrong way?
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Dec 17, 2010
I'm creating a flashwebsite and I've got a problem with submenu appearing/disappering. What is extremely easy in html/jquery is taking me overburned in actiuonscript: make appear a submenu only when the mouse cursor is over its button and not over itself. Indeed I've my button/MC, that contains its submenu (which is a vertical list of MC), and when I go over it, submenu appears, when I leave, sub menu becomes invisible.
BUT, when I go over the space under the button (where my invisible submenu is), submenu become visible another time. I know that cause is the listener associated to the main button is linked to all its nested MC.
[Code]...
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Jul 7, 2011
I have been having a problem usign a custom event... I attached it to the the main class using "addEventListener" and fire it off with "dispatchEvent" in another class. I checked that it was attached to the main class using "hasEventListener" and it returned true, also "dispatchEvent" returns true... but it ever reaches the function that I attaced it to... is there any thing I am missing?
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Mar 9, 2011
I have an event, which I have dispatched in my main.mxml:
var evt:UserEvent = new UserEvent(UserEvent.USERINFORMATION);
evt.userVO = storeObject;
this.dispatchEvent(evt);
I can listen for it while in my navigation.mxml file, by using
this.parentApplication.addEventListener(UserEvent.USERINFORMATION, onInfo);
But in other component, I can not listen for it, even trying the same as I did in navigation.mxml.
tracing it back gives me an undefined.
the second component is in a viewstack in navigation.
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May 22, 2011
I am trying to listen to an event created in a spark popup tileWindow. The aim is to get an array sent and updated in the popUp, to be received by the calling application, when the popUp is closed. As commented inline below, I have tested that it reaches the point of dispatching event in the popUp- and never gets listened in main application. What am i missing?My customEvent is as follows:
package folder1
{
import flash.events.Event;
[code].....
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May 27, 2011
I got a question about event dispatching and dispatching in flex.
My goal is to pass an email address captured in one component (Comp1) and be passed to another (Comp2). These two components are navigator content of a viewstack. The custom event dispatched the email correctly from Comp1 but somehow could not reach Comp2. The application (Main) looks like :
<fx:Script>
<![CDATA[
import events.LoginEventComplete;
[Code].....
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Oct 15, 2011
I've got a problem listening to the event. I've got 3 classes:
Code:
package com.zeeto.swfaddress {
import flash.display.MovieClip;
import com.asual.swfaddress.*;
public class SwfAddress extends MovieClip {
private var dispatcher:Dispatch = new Dispatch;
[Code] .....
And... it doesn't work... is there any chance to listen to the EventDispatcher triggered by some other class?
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May 27, 2009
I use an event listener to detect keyboard activity and it is working fine, but when I add a MovieClip to the stage, the event is no more triggered, I need to click on the stage to get it active.The MovieClip fills all the stage, and I tried to add the same event listener to it, but still I need to click on it to get the event listener active.
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Mar 19, 2012
so i have an event listener a mouse click in a movie clip name "em_contact" i also have an event listener after an animation plays out on an object called contactbtn_mc, How do i tell Flash once em_contact is clicked dont listen for that event any more?
my code is below
em_contact.addEventListener(MouseEvent.CLICK,gotocontactanimation);
function gotocontactanimation(EvntObj:MouseEvent):void {
[code]......
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Jan 28, 2011
In short: I need an event listener in a custom component so all its instances (without editing them) react at the same time, fired by a dispatched event in its parent container. In detail: I have a custom component with Tab navigator. (The tabs are intended to show different preferences for different Languages.) I have a button bar with buttons for all the languages. There are a lot of instances of the custom component.
I want to click in a button of the languages bar and get ALL the instances switched to the same tab (the custom component contains the logic to change the tab). I can do it by adding the event listener for EACH INSTANCE of the custom component, so it calls an internal function that changes the tab. But it seems to be very coupled, isn't it? I wonder if it can be done in the master CLASS of the component, so it listen for events in its parent container, whichever it is. In my mind this code shoud work, but it doesn't (obviously ill'use a custom event to pass the new language value): this.parent.addEventListener("lang_change", this.change_tab); This way I can just drop an instance of the component, and see it working for itself.
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Mar 3, 2012
So I am able to dispatch the event from one class and trace out that the custom event was dispatched, but where I am having trouble is listening for that event in another class.
[Code]...
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May 25, 2010
I want to listen for a custom event dispatched from the document class in a custom subclass. For example, let's say in the document class I have:
ActionScript Code:[code]....
So that the subclass will trace 'Event from document class received' when the 'customEvent' event from the document class is listened by the eventlistener. However, the output is only 'customEvent dispatched', meaning it wasn't heard in the subclass.
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Nov 4, 2011
I have the following situation:I have an event handler, that displays small messages in my application's statusbar.These messages get passes through by dispatching events from custom components.A simple message could be like "HTTP Error" or so.Now, the main event listener, in the main application file, listens to the event dispatched by any custom component,but seems to refuse listening to events dispatched by custom AS classes.Here is my code for the custom event:
package main.events
{
import flash.events.Event;[code]..
So to sum it all up:
- The event listener listens to the custom event dispatched by any custom component.
- The event listener does not listen to the custom event duspatched by an AS class.
Those who wonder, the event really gets dispatched, that's why I added a trace call.
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May 26, 2009
i have an SWF file, which loads an external SWF... and the external SWF file is an image gallery that dynamically loads images..this is the code and it works to some degree...
Code: Select allfunction load3dPage():void
{
if(pagesHolder.numChildren > 0)
{
[code]...
my problem is that the external SWF file is added even though the images in it have not yet been all loaded.. this is because flash (probably) calculates the file size of the "raw" external SWF without realizing that it (the external SWF) will run another script on its own to load the images.. so technically, flash doesnt account for the images that will load...therefore the "COMPLETE" eventlistener only listens for the "raw" file size of the external SWF...
basically, i guess what im trying to say is, is there a way i can tell flash to "addChild" the external SWF only after it has run the script and loaded the external images as well...in case you're wondering, this is the code inside the external SWF that adds the images:
Code: Select allvar thumbnail:thumbnailSelector;
var thumbXPosition:Number = 528.7;
var xmlLoader:URLLoader = new URLLoader();
[code]...
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Feb 3, 2009
How could i call the same function within a function AND when listening for an event?
would something likt this:
[Code]...
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Dec 14, 2010
I am dispatching an event from one document class and listening for it via another document class.My code in class A.
Code:
this.dispatchEvent(new MYEvent(MyEvent.APERTURE_DONE));
trace("Dispatching APERTURE_DONE");
my code in class B.
Code:
addEventListener(MyEvent.APERTURE_DONE, onDoorsOpen,true);
trace("Lisetning for APERTURE_DONE");
[code]....
My listener is registering before the event is dispatched, based on my output window, however I never get the "Open Doors" trace statement to fire.
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Mar 11, 2009
So I've gotten into using my own as Classes, and have an interesting question.
My main swf calls a php script that gets data from a mysql database which is returned as XML. Part of that data that is retrieved is a filepath to a jpg image. It then takes that filepath and other information, and passes it to my external class, the "news story" class.
All fine and good. Then, the "news story" class uses a loader to load that image along with some text, organize it, and voila, you've got your own very pretty "news story". (I'm extending the MovieClip class here, though I suppose it doesnt matter)
Now, my main swf uses this component to load multiple of these "news stories". The problem is, theres that load time for the image. The main swf is loading them all one at a time, because they are putting each one together on their own.
The key here is that it be dynamic. So, since we don't know how much text is in each "news story", we also therefore don't know it's height. What I'm doing is creating each story in the main swf, pushing it into a "news story" array, adding an event listener to each ones' loader, and when the event listener is triggered, I want it to go to the 'add content' function where it sets the news story's Y value based off the position and height of the previous story that was added (stacking them, obviously). This makes sense, because otherwise it'd add them all on top of each other and it'd be a jumbled mess.
The problem is, the event listener is on the loader object INSIDE the component actionscript. So, how do I figure out which news story to set the Y value for? Because the eventlistener is listening to the loader, not the class. I hope this makes sense AT ALL. Here is the code:
Quote:
while (fancy shmantzy conditions)
{
/*creates the news story and passes xml data to it (filepath, etc)*/
storyBlock = new StoryBlock(a bunch of parameters);
subCBArray.push(storyBlock); //array that stores each news story info
[Code]....
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