RE: Events for custom classes?

Can you please email your class to me as well [offlist]. I'm
working on
almost the same thing as Jason.

Thanks much,
Andrew Rost
IDEXX Computer Systems

-----Original Message-----
From: Merrill, Jason [mailto:jason.merrillbankofamerica.com] 
Sent: Friday, February 16, 2007 2:41 PM
To: Flashcoders mailing list
Subject: RE: [Flashcoders] Events for custom classes?

Sure, yes - please send offlist . Thanks!

Jason Merrill
Bank of America 
Learning & Organizational Effectiveness

>>-----Original Message-----
>>From: flashcoders-bounceschattyfig.figleaf.com 
>>[mailto:flashcoders-bounceschattyfig.figleaf.com] On
Behalf 
>>Of Karina Steffens
>>Sent: Friday, February 16, 2007 3:30 PM
>>To: 'Flashcoders mailing list'
>>Subject: RE: [Flashcoders] Events for custom
classes?
>>
>>Hi Jason,
>>
>>I have my own implementation of
AsBroadcaster/EventDispatcher 
>>(bundling both in one class), which is very flexible
and can 
>>be used with inheritance or composition (But unlike
the 
>>standard implementations, it's not a mix-in class).
If you'd 
>>like me to send you the class, just let me know.
>>
>>Karina
>> 
>>
>>> -----Original Message-----
>>> From: Merrill, Jason [mailto:jason.merrillbankofamerica.com]
>>> Sent: 16 February 2007 20:16
>>> To: Flashcoders mailing list
>>> Subject: RE: [Flashcoders] Events for custom
classes?
>>> 
>>> Thanks Alain, will revist it that way instead.
>>> 
>>> Jason Merrill
>>> Bank of America
>>> Learning & Organizational Effectiveness
>>>  
>>>  
>>>  
>>>  
>>>  
>>>  
>>> 
>>> >>-----Original Message-----
>>> >>From: flashcoders-bounceschattyfig.figleaf.com
>>> >>[mailto:flashcoders-bounceschattyfig.figleaf.com] On
>>> Behalf Of Alain
>>> >>Rousseau
>>> >>Sent: Friday, February 16, 2007 3:01
PM
>>> >>To: 'Flashcoders mailing list'
>>> >>Subject: RE: [Flashcoders] Events for
custom classes?
>>> >>
>>> >>Jason,
>>> >>
>>> >>So if I understand clearly what you
want to do is :
>>> >>
>>> >>>From Class A : (pseudo code
following)
>>> >>
>>> >>class ClassA {
>>> >>	private var instClassB:ClassB;
>>> >>	make comboBox
>>> >>	make datagrid
>>> >>	function ClassA() {
>>> >>		instClassB = new ClassB();
>>> >>		comboBox.onChange =
Delegate.create(this,
>>> cbChangeHandler);
>>>
>>		instClassB.addEventListener("webServiceResult
", this);
>>> >>	}
>>> >>
>>> >>	function cbChangeHandler(e){
>>> >>		instClassB.getWSdata(e.value);
>>> >>	}
>>> >>
>>> >>	function
webServiceResult(evtObj:Object) {
>>> >>		update datagrid with evtObj.newData
>>> >>	}
>>> >>
>>> >>}
>>> >>
>>> >>class ClassB {
>>> >>	Decorate with EventDispatcher methods
>>> >>	dispatchEvent, addEventListener,
removeEventListener
>>> >>
>>> >>	function ClassB() {
>>> >>		EventDispatcher.initialize(this);
>>> >>	}
>>> >>	
>>> >>	function getWSdata(val) {
>>> >>		get data from web service
>>> >>		wsInstance.onResult =
Delegate.create(this,
>>> wsResulthandler);
>>> >>	}
>>> >>	
>>> >>	function wsResulthandler(data) {
>>>
>>		this.dispatchEvent({type:"webServiceResult&qu
ot;,
>>> >>newData:data}) // add anything you want
to pass in the object
>>> >>	}
>>> >>}
>>> >>
>>> >>Now you have them both communication
the way you want
>>> >>
>>> >>Have fun !
>>> >>
>>> >>Alain
>>> >>
>>> >>-----Original Message-----
>>> >>From: flashcoders-bounceschattyfig.figleaf.com
>>> >>[mailto:flashcoders-bounceschattyfig.figleaf.com] On Behalf Of 
>>> >>Merrill, Jason
>>> >>Sent: 16 février 2007 14:36
>>> >>To: Flashcoders mailing list
>>> >>Subject: RE: [Flashcoders] Events for
custom classes?
>>> >>
>>> >>Daniel, try as I may, I can't get your
code to work.  I have one 
>>> >>class, which has a combobox.  I can get
the event to fire 
>>when the 
>>> >>combobox changes just fine, but I can't
get it to "hear"
>>> the firing of
>>> >>the data capture from the webservice in
the other class.
>>> >>
>>> >>So basically, in pseudocode, I need to
do this:
>>> >>
>>> >>class A{
>>> >>	make comboBox
>>> >>	make datagrid
>>> >>	when comboBox changes, use Class B
>>> >>		to get data from webservice
>>> >>	when webservice result received, 
>>> >>        		update datagrid with new
data
>>> >>
>>> >>}
>>> >>
>>> >>class B{
>>> >>	connect to webservice	
>>> >>	when requested, return data to
requesting class }
>>> >>
>>> >>Reason I want these two classes to be
separate is because I
>>> want other
>>> >>classes to call Class B to get data as
well.  So, I can do all of 
>>> >>those things just fine, they are all
working, except for the last 
>>> >>part, "when requested, return data
to requesting class" - 
>>I figure 
>>> >>since the webservice is asynchronous, I
need to capture the
>>> received
>>> >>event, which is fine, I can do, that
works.  But I need to
>>> tell Class
>>> >>A to update the datagrid with the new
data when it gets it
>>> from Class
>>> >>B - so an event model is required.
>>> >>
>>> >>in your code, you have a var r in both
the "Class A" and
>>> "Class B" -
>>> >>I'm confused about that.  Thanks for
any help.
>>> >>
>>> >>
>>> >>Jason Merrill
>>> >>Bank of America
>>> >>Learning & Organizational
Effectiveness
>>> >> 
>>> >> 
>>> >> 
>>> >> 
>>> >> 
>>> >> 
>>> >>
>>> >>>>-----Original Message-----
>>> >>>>From: flashcoders-bounceschattyfig.figleaf.com
>>> >>>>[mailto:flashcoders-bounceschattyfig.figleaf.com] On
>>> >>Behalf Of Holth,
>>> >>>>Daniel C.
>>> >>>>Sent: Friday, February 16, 2007
10:36 AM
>>> >>>>To: Flashcoders mailing list
>>> >>>>Subject: RE: [Flashcoders]
Events for custom classes?
>>> >>>>
>>> >>>>
>>> >>>>Here is your code modified to
use the EventDispatcher:
>>> >>>>
>>> >>>>import
mx.events.EventDispatcher; // import the event dispatcher
>>> >>>>
>>> >>>>class
com.boa.projects.iqrcgenerator.components.AdminData{
>>> >>>>	public var
addEventListener:Function; // Set 
>>the functions
>>> >>>>	public var
removeEventListener:Function; // Set 
>>the functions
>>> >>>>	private var
dispatchEvent:Function; // Set the functions
>>> >>>>
>>> >>>>	private var userData:Object;
>>> >>>>
>>> >>>>	// I'm sure you have a
different constructor, 
>>but you need
>>> >>>>	// to add that line to it if
you want to use 
>>the eventdispatcher
>>> >>>>	public function AdminData(){
>>>
>>>>		mx.events.EventDispatcher.initialize(this)
; //
>>> >>add this to
>>> >>>>constructor
>>> >>>>	}
>>> >>>>
>>> >>>>	public function
wsUserDataByLOB(lobDbId:Number):Void{
>>> >>>>		var getUserListResult:Object
= new Object();
>>> >>>>		getUserListResult =
>>>
>>>>generatorWebService.GetUserList(lobDbId);
>>> >>>>
>>> >>>>		var r = this;  // To get this
in onResult
>>> >>>>		getUserListResult.onResult =
function(oUser){
>>> >>>>
>>>
>>>>			r.dispatchEvent({type:"eventOnResult
",
>>> >>>>user:oUser}); // Dispatch the
event
>>> >>>>	
>>> >>>>
>>> >>>>		}
>>> >>>>	}
>>> >>>>
>>> >>>>
>>> >>>>	// I may just take this
function out all together since
>>> >>the event
>>> >>can
>>> >>>>	// autommatically send them
the data.
>>> >>>>	public function
getUserData():Object{
>>> >>>>		return userData;
>>> >>>>	}
>>> >>>>}
>>> >>>>
>>> >>>>
>>> >>>>Then in your other class you
can do something like:
>>> >>>>
>>> >>>>//myAdminData is an instance of
the class above
>>> >>>>
>>> >>>>var r = this;
>>> >>>>r.eventOnResult=
function(evtObj:Object){
>>> >>>>	trace("user: " +
evtObj.user);  // Should return the
>>> >>oUser object }
>>> >>>>// addEventListener takes the
event name, and who you want
>>> >>to listen
>>>
>>>>myAdminData.addEventListener("eventOnRe
sult", r);
>>> >>>>
>>> >>>>
>>> >>>>
>>> >>>>Does that help?  I obviously
can't test the code, but I think 
>>> >>>>everything is right...  I have
trouble with scope, 
>>which is why I 
>>> >>>>use a lot of 'r'
>>> >>>>values instead of 'this'...
Just easier for me... 
>>Probably not a 
>>> >>>>good coding standard 
>>> >>>>
>>> >>>>-Dan
>>> >>>>
>>> >>>>-----Original Message-----
>>> >>>>From: flashcoders-bounceschattyfig.figleaf.com
>>> >>>>[mailto:flashcoders-bounceschattyfig.figleaf.com] On Behalf Of 
>>> >>>>Merrill, Jason
>>> >>>>Sent: Friday, February 16, 2007
9:03 AM
>>> >>>>To: Flashcoders mailing list
>>> >>>>Subject: [Flashcoders] Events
for custom classes?
>>> >>>>
>>> >>>>OK, I'm pretty good at
Actionscript 2.0, but something I never 
>>> >>>>really understood and now need
to.
>>> >>>>
>>> >>>>Core question:  How do I make
an event in a custom class,
>>> and how do
>>> >>>>I make a listener in another
class listen for the event?
>>> >>>>
>>> >>>>
>>> >>>>EventBroadcaster in the help
docs seems to only show how
>>> to use it
>>> >>>>with Adobe classes and
components. Docs on listener are
>>> the same.  I
>>> >>>>know how to set up listeners
for other events, like
>>> keypresses and
>>> >>>>mouse rollovers.  Easy enough.
>>> >>>>But my problem is this (see
comments in code
>>> >>>>below):
>>> >>>>
>>> >>>>class
com.boa.projects.iqrcgenerator.components.AdminData{
>>> >>>>
>>> >>>>
>>> >>>>	private var userData:Object;
>>> >>>>
>>> >>>>	public function
wsUserDataByLOB(lobDbId:Number):Void{
>>> >>>>		var getUserListResult:Object
= new Object();
>>> >>>>		getUserListResult =
>>>
>>>>generatorWebService.GetUserList(lobDbId);
>>> >>>>		getUserListResult.onResult =
function(oUser){
>>> >>>>			//this works fine,
>>> >>>>
>>> >>>>			//I can capture this event
result here,
>>> >>>>			//but how do I notify
another class?
>>> >>>>			//also what about scope
here?
>>> >>>>			//how to set userData as
oUser result?
>>> >>>>			//can I fire an event in my
AdminData
>>> >>>>			//class from here?
>>> >>>>		}
>>> >>>>	}
>>> >>>>
>>> >>>>
>>> >>>>	public function
getUserData():Object{
>>> >>>>		//can't let user get this
data
>>> >>>>		//until Webserive event is
done.
>>> >>>>		return userData;
>>> >>>>	}
>>> >>>>}
>>> >>>>
>>> >>>>Thanks,
>>> >>>>
>>> >>>>
>>> >>>>Jason Merrill
>>> >>>>Bank of America
>>> >>>>
>>> >>>>Learning & Organizational
Effectiveness
>>> >>>>
>>> >>>>
>>> >>>>
>>> >>>>
>>>
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RE: Events for custom classes?

Thread: RE: Events for custom classes?