Re: [Flashcoders] Event Dispatcher
Can you give an example of the memory leak you are talking about and
also an example of the arguments.caller remove listener? I have not
heard of this before.
Is the memory leak issue caused when you nest a function inside a class?
class myClass {
function myClass() {
obj.addEventListener(onWhatever, Delegate.create(this,
myCustomMethod));
// nested function not member of class - this causes memory leak???
function myCustomMethod(evtObj:Object):Void
{
// code
}
}
}
Johannes Nel wrote:
what john is outlining here is fine in essence, but unless you never want to
remove this event listener this will cause a memory leak. either you create
the delegate function on a class scope or you use arguments.caller in the
handler function to remove the event listener
On 2/17/06, John Grden [EMAIL PROTECTED] wrote:
Must resist...the crack...habbit...
and if you want to point that dispatched to a custom method not named
the same as the event:
obj.addEventListener(onWhatever, Delegate.create(this, myCustomMethod));
private function myCustomMethod(evtObj:Object):Void
{
// code
}
Also, you don't need to include target in your dispatch, EventDispatcher
includes that for you.
On 2/17/06, Aaron Smith [EMAIL PROTECTED] wrote:
Just make sure int he constructor you initialize it::
EventDispatcher.initialize(this)..
also you ned to have these var definititions:
public var addEventListener:Function
public var removeEventListener:Function;
private var dispatchEvent:Function
then to dispatch:
dispatchEvent( { type:'whatever', target:this,
someOtherProp:'somothervalue' } )
all those props in the dispatchEvent call are just properties in a
basic Object. you must have type though.
SMITH
On Feb 17, 2006, at 12:44 PM, Jamie Alpers wrote:
This may be a duh question, but when you use dispatchEvent in a
custom
created component, can I use my own event name or do i have to use
one of
the built in ones of an object. For example, I am creating custom
quiz
component (the built in ones dont have the flexibility we need) and
would
like to add a 'QuestionCompleted' event. Is this possible?
-Jamie
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Re: [Flashcoders] Event Dispatcher
yeah. the type property can be whatever, as long as you know what you are listening for all is good. On 2/17/06, Jamie Alpers [EMAIL PROTECTED] wrote: This may be a duh question, but when you use dispatchEvent in a custom created component, can I use my own event name or do i have to use one of the built in ones of an object. For example, I am creating custom quiz component (the built in ones dont have the flexibility we need) and would like to add a 'QuestionCompleted' event. Is this possible? -Jamie ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com -- j:pn ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
Re: [Flashcoders] Event Dispatcher
If you are using Flex2 , create a custom event that extends from the event class. and inject the namespace for the custom event into the superclass. ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
Re: [Flashcoders] Event Dispatcher
Thanks. I relooked at my code and realized i was just making a stupid mistake by confusing object names. it works now :-) On 2/17/06, Johannes Nel [EMAIL PROTECTED] wrote: yeah. the type property can be whatever, as long as you know what you are listening for all is good. On 2/17/06, Jamie Alpers [EMAIL PROTECTED] wrote: This may be a duh question, but when you use dispatchEvent in a custom created component, can I use my own event name or do i have to use one of the built in ones of an object. For example, I am creating custom quiz component (the built in ones dont have the flexibility we need) and would like to add a 'QuestionCompleted' event. Is this possible? -Jamie ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com -- j:pn ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com ___ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
Re: [Flashcoders] Event Dispatcher
Just make sure int he constructor you initialize it::
EventDispatcher.initialize(this)..
also you ned to have these var definititions:
public var addEventListener:Function
public var removeEventListener:Function;
private var dispatchEvent:Function
then to dispatch:
dispatchEvent( { type:'whatever', target:this,
someOtherProp:'somothervalue' } )
all those props in the dispatchEvent call are just properties in a
basic Object. you must have type though.
SMITH
On Feb 17, 2006, at 12:44 PM, Jamie Alpers wrote:
This may be a duh question, but when you use dispatchEvent in a
custom
created component, can I use my own event name or do i have to use
one of
the built in ones of an object. For example, I am creating custom
quiz
component (the built in ones dont have the flexibility we need) and
would
like to add a 'QuestionCompleted' event. Is this possible?
-Jamie
___
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Re: [Flashcoders] Event Dispatcher
Must resist...the crack...habbit...
and if you want to point that dispatched to a custom method not named
the same as the event:
obj.addEventListener(onWhatever, Delegate.create(this, myCustomMethod));
private function myCustomMethod(evtObj:Object):Void
{
// code
}
Also, you don't need to include target in your dispatch, EventDispatcher
includes that for you.
On 2/17/06, Aaron Smith [EMAIL PROTECTED] wrote:
Just make sure int he constructor you initialize it::
EventDispatcher.initialize(this)..
also you ned to have these var definititions:
public var addEventListener:Function
public var removeEventListener:Function;
private var dispatchEvent:Function
then to dispatch:
dispatchEvent( { type:'whatever', target:this,
someOtherProp:'somothervalue' } )
all those props in the dispatchEvent call are just properties in a
basic Object. you must have type though.
SMITH
On Feb 17, 2006, at 12:44 PM, Jamie Alpers wrote:
This may be a duh question, but when you use dispatchEvent in a
custom
created component, can I use my own event name or do i have to use
one of
the built in ones of an object. For example, I am creating custom
quiz
component (the built in ones dont have the flexibility we need) and
would
like to add a 'QuestionCompleted' event. Is this possible?
-Jamie
___
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--
John Grden - Blitz
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Re: [Flashcoders] Event Dispatcher
what john is outlining here is fine in essence, but unless you never want to
remove this event listener this will cause a memory leak. either you create
the delegate function on a class scope or you use arguments.caller in the
handler function to remove the event listener
On 2/17/06, John Grden [EMAIL PROTECTED] wrote:
Must resist...the crack...habbit...
and if you want to point that dispatched to a custom method not named
the same as the event:
obj.addEventListener(onWhatever, Delegate.create(this, myCustomMethod));
private function myCustomMethod(evtObj:Object):Void
{
// code
}
Also, you don't need to include target in your dispatch, EventDispatcher
includes that for you.
On 2/17/06, Aaron Smith [EMAIL PROTECTED] wrote:
Just make sure int he constructor you initialize it::
EventDispatcher.initialize(this)..
also you ned to have these var definititions:
public var addEventListener:Function
public var removeEventListener:Function;
private var dispatchEvent:Function
then to dispatch:
dispatchEvent( { type:'whatever', target:this,
someOtherProp:'somothervalue' } )
all those props in the dispatchEvent call are just properties in a
basic Object. you must have type though.
SMITH
On Feb 17, 2006, at 12:44 PM, Jamie Alpers wrote:
This may be a duh question, but when you use dispatchEvent in a
custom
created component, can I use my own event name or do i have to use
one of
the built in ones of an object. For example, I am creating custom
quiz
component (the built in ones dont have the flexibility we need) and
would
like to add a 'QuestionCompleted' event. Is this possible?
-Jamie
___
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http://chattyfig.figleaf.com/mailman/listinfo/flashcoders
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John Grden - Blitz
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j:pn
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