ActionScript 3.0 :: List All Current Listeners To An EventDispatcher?
Aug 13, 2009
Is there any way to list all listeners to an EventDispatcher instance, or at least list all event strings that are being listened for?
I know there is a "hasEventListener()" function, but you need to know the string you pass in in order to check for it. I suppose it would be bad coding ethic, but it can have its uses. (Am I making myself clear enough on what I am looking for?)
Also, how are eventListeners speedwise? Since there is a lot that needs to be accomplished when dispatching and listening for events, would it be a bad idea to use an Event system for such potentially CPU heavy items as collision detecting?
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Dec 25, 2011
If I have 5 frames and each contanins a MovieClip on stage that includes it's class, listeners, functions etc.If I go from one frame to another,should I clean everything up? I mean remove listeners, remove childs etc etc.Or other MovieClips except those in the current frame are ignored from flash player.
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Jan 17, 2011
Here is piece of code:
protected function handleTriggers(raw:Object) : void {
var name:String, value:String, map:Object;
map = {
'onclick': MouseEvent.CLICK,
'ondblclick': MouseEvent.DOUBLE_CLICK,
[Code] .....
Object is generic DisplayObject and raw object contains series of onclick, onmouseover, etc event triggers. It was meant that I could attach event listeners automatically following the properties of that raw object. And it seems like it works, as I indeed can see some listener Functions in listeners property of the DisplayObject and their number corresponds to the number of triggers. But later when everything is put on stage, only the last event handler gets triggered.
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Jul 30, 2009
I'm struggling with a 2 level menu and it needs to follow this condition: The "menuItem" button should be trigged with MOUSE_OVER to open its SubMenu, cause it needs to be also associated with the CLICK event.I'm managing the objects in the display list like this:
stage
__menu
____menuItem
______bt_title (movieclip that contains textfield with title of the button)
[code]....
how should I manage the EventListeners ?I've done like that:
Code:
menu_mc.addEventListener(MouseEvent.MOUSE_OVER, mouseOverItem);
I should be able to MOUSE_OVER the menuItem to open the subMenu, and leave it open while I'm still able to MOUSE_OVER and CLICK the menuItem.bt_title and every other subMenuItems.If i do:
Code:
menuItem.mouseChildren = false;
then i don't have access anymore to its children. If i do that:
Code:
menuItem.mouseChildren = true;
menuItem.bt_title.mouseEnabled = false;
menuItem.menufill.mouseEnabled = false;
menuItem.tab.mouseEnabled = true;
then I get the "epileptic" effect created by continuously mousing OVER and OUT the menuItem. Is there something to do with the capture / bubbling phase of the event flow?Where exactly should I place the listeners?
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Mar 2, 2011
I have provided an ArrayCollection to a List, works fine, scroll and sweet.
I am able to access the carretIndex (though not necessarily the ones in view) by
list.caretIndex
Is it possible to access the list of items currently visible in the List.
What I am curious to know, is how can I can access (read) the first (or any of the) item in a given View port of the list.
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Jul 4, 2011
Is there a way to get a list of all the skin classes that are in the current application? I'm using Flex 4.5.1.
Here is the loop that I'm using now to get all the skins,
for each (var item:Object in styleManager.typeHierarchyCache) {
for (label in item) {
if (label=="spark.components.supportClasses.Skin" ||
[Code]....
The reason why is because I want to list all the skins in the application and then be able to apply them in real time so I can see what they look like.
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Jan 18, 2011
little confused using the Date class. it's no problem for me to use the class to spit out TODAY's date. but i simply want to be able to trace every single day from January 1 to the end of the year, something like this:
[Code]....
how to numerate through all the days of the given year (and have it work with leap years.. etc)..
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Oct 9, 2004
On my main timeline, I have a "Background" graphic object with some control buttons, on the main timeline there may (or may not) be a few other movie clips playing at any given point.
I want the pause button (in the Background object) to figure out what all movie clips are playing from the _root down, and stop them all. I am currently doing this by putting in the code: mc1.stop(); mc2.stop(); mc3.stop(); etc...
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Nov 26, 2011
1. I need Import MovieClip from Library into Current Frame (Current Frame mean, if we on frame 1, the movieclip will show on frame 1)
2. Hmm... i guess if we make Browsers on Flash its IMPOSSIBLE lol...
3. Do you know Windows ?, if we click and hold the title bar it will dragging, and if we click and hold the inside of windows, it will NOT Dragging.
4. Load an EXTERNAL SWF.
5. Load an External MUSIC or SOUND.
6. Save Current Setting, like changing the username it will ask you want to save your current setting?, yeah like that. the game is shooting, kicking, punching. there's Enemies, Traps, and Fall into Fire or something he will die.. i need basic of it..
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Jul 24, 2004
I have two components in my movie,how to write out the code for the listeners.Is it possible to write one listener that listens for changes in both components or do I have to write a separate listener for each? How would this look like written out?
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Mar 25, 2010
I am making a fighting game in Flash and while I have everything running, I am missing something: a victory/loss screen.Logically,I know how to do it:
if character.hp < 0
{
character.dead = true;
dispatchevent("death", event)
}
My problem is that I have no idea as to how to code it. I know I will use two classes and my two .fla files (unless I am wrong).I have two .fla files that are in play here: the Menu.fla file and the Arena.fla file. Menu.fla contains the entire navigation of the game, options, character selection screens, etc. and when it is time for the player to engage in battle, it loads the Arena.fla file, which contains only the backgrounds (depending on the selected stage) and for now is set to a length of one frame only. For Arena.fla, the real action happens in my classes, but logically, I would only need HP.as and Character.as.
In Character.as, I have declared the following variable:
var isDead:Boolean = false; //is character dead?
In HP.as, believe I should have the following:
if(currentHp<0)
{
currentHp = 0;
character.isDead = true; //declared as var `character:Object;`
EventDispatcher.dispatchEventListener("playerDead", playerDead);
}
And finally, in Arena.fla, I want to be able to detect the above-mentioned eventlistener and simply move on to a second frame which will display a message in the style of "PLAYER ONE HAS WON" or "PLAYER ONE HAS LOST" with a button that will allow me to go back to the character selection screen. This is the first part in which I am stuck: how do I detect the dispatched event listener in my main .fla file?
Secondly, if the player clicks on the "CONTINUE" button, which displays regardless if the player has won or lost, how can my Menu.fla (which loads the Arena.swf) detect this click event, unload the game, and go back to the character selection screen?
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Aug 24, 2011
I have several classes with some eventListeners in my project that interfer with each other. I.e. i have a mouseclick event that is not triggered, when i have another class with init events running at the same time. when i remove that other class, the mouseclick event is triggered correctly.
now i am not 100% sure, but i think the solution to this has something to do with EventDispatcher.can anybody please tell me if that is correct and how i can add EventDispatcher to my code without recoding everything?
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Feb 10, 2012
For some while I am researching on dispatching Events on AS2 which can bubble as it happens in AS3. This is not the first time in this world and I hope you all know how to do it in AS2. My issue is not on addEventListener but the removeEventListener which is not removing that particular event from that object.Cause the handler argument in the mx.events.EventDispatcher is throwing undefined where that should be [type Function]. At the time of registering on addEventListener it is registering the handler as [type Function], but it throw undefined on removeEventListener method.
[Code]...
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Nov 6, 2009
I am trying to dispatch an event from one class to be received by another another class.The second class has a function that shoud trigger when the event is caught.When I compile I get this error:1067: Implicit coercion of a value of type flash.events:MouseEvent to an unrelated type String.
Here is the class that dispatches the event:
package{ import flash.display.MovieClip; import flash.events.MouseEvent; import flash.events.Event; import
[code].....
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Jul 12, 2010
I'm working on a an interactive map of the Lewis and Clark Expeditons' experiences along the Missouri River in Montana and I'm running into some difficulty using the EventDispatcher class.
I have a couple of classes that I am working through this issue with. Relevant code is bolded.The first is a Main class that I am using as my Document Class:
[code]....
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Aug 8, 2010
I was wondering when you guys extends EventDispatcher in your class. It seems to me that as long as we have import event package, we can dispatchEvent without problems....I saw sometime people extends EventDispatcher in their clas
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Sep 21, 2010
I have a question regarding the capabilities of the EventDispatcher. Is it possible for flash to dispatch an even and be able to push out information like an int or string?
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Nov 6, 2010
How to dispatch events from a class (.as) to a document (.fla) ? In my example there's no compiling error but nothing displayed by trace(). What's wrong and how to do to make it works? example.fla
[Code]...
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Dec 17, 2010
I just don't get it. I've studied a lot, looked, researched but I don't understand why this isn't working.
Code:
package
{
import flash.display.Sprite;
import flash.events.*;
[Code]...
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Jan 16, 2006
These days I'm learning the different usages of EventDispatcher class and understanding it's working.
[code]...
Considering the above code if for example I want to broadcast the event of onLoad of xml to different listeners objects with the scope of movieClip in which the xml object is declared, so that later mcs from the library can be attached dynamically.However this approach does not seem to work.
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Jun 15, 2006
Theory question, more than anything.
Code:
var page = _root["pageinstance"+num]; //num is a variable,
page_li:Object = new Object(); // page_listener object
page_li.onPageLoad = function() {
trace("hey, look, the page loaded");
page.display();
[Code] .....
The code is much more complex than this, but thats the skeleton of it. Anyone, my question to you is that I need to use this over and over again, for each time the user presses a button. My problem is that Flash seems to have trouble when I try visiting a page I've already been to, because the events don't properly execute. I've tried page.removeEventListener(); and delete page_li; but both seem to be ineffective. Basically, how can I whip the slate completely clean, so that the next time when Flash goes over this code, it executes properly?
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Apr 1, 2007
How to write as2.0 using class to respond a simple event handler for several mc's?[code]does anyone have some good examples of using eventDispatcher method in a class?
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Jan 27, 2010
How should I dispatch Events in my objects without having to extend the EventDispatcher?
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Feb 14, 2007
I would like to know if there is a way to watch / listen to variables or object properties using the eventDispatcher class ? I checked tutorials about this class and I understand basics but I really don't see how to do this..
I know the existence of the watch() function, but I heard its possible to use eventDispatcher instead...
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Jun 20, 2009
i have a class called "RandomErrorClass" that extends Error:
Code:
public class RandomErrorClass extends Error {
public function RandomErrorClass() {
super("random error...");[code]....
my understanding is that the second class, the one that throws the error, will have to extend the EventDispatcher class. is that right? but it already has to extend the MovieClip class. my questions: Does the movieClip class already inherit from the EventDispatcher class? if so, i won't have to implement the IEventDispatcher interface, will I?
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Dec 10, 2010
I'll try to explain my problem as simple as possible So, I have class A (main class) and class B, and I need these to communicate with each other.
[Code]...
This gives me the error: Access of undefined property RNDMCOLOR... but, I made it public, so it should be accessible by other classes right? Apparently, no I have also tried to type the string "rndmColor" directly into the eventDispatcher and listener, and that gets rid of the error, but the chooseColor function is never called. So what the heck am I doing wrong? How do I make variables accessible from other classes if public doesn't do it?
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Jul 30, 2009
On a recent discussion I had a problem accessing a function on my main timeline from an external SWF. Muzak gave me the answer using eventDispatcher from que external SWF. Ok everything works fine. But when I test my website on my localhost embedding my SWF using swfobject it stops working.
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Oct 6, 2010
In Flex, is it possible to listen to all event types of an object that's an IEventDispatcher? addEventListener's first parameter is the type, which is a string. In many cases the documentation is not clear what event type it fires. I'd like to attach a generic listener to inspect the events.
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Feb 3, 2010
I need to send a signal from my class BasicVideo.as, to my main class Main.as.
BasicVideo.as extends (and needs to extend) Sprite.
So, how can I dispatch an event from that class to the main class without extending EventDispatcher?
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Feb 10, 2009
I'm reading Jesse Marangon's EventDispatcher tutorial. Most of it makes sense. However, when I copy the code into Flash I get a return of objEvent. count = undefined.It looks like the external class Interval is being properly found/used as the rest of the function works.
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