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:[EMAIL PROTECTED] > 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: [EMAIL PROTECTED] > >>[mailto:[EMAIL PROTECTED] 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", > >>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: [EMAIL PROTECTED] > >>[mailto:[EMAIL PROTECTED] 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: [EMAIL PROTECTED] > >>>>[mailto:[EMAIL PROTECTED] 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("eventOnResult", 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: [EMAIL PROTECTED] > >>>>[mailto:[EMAIL PROTECTED] 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 > >>>> > >>>> > >>>> > >>>> > >>>>_______________________________________________ > >>>>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 > >>>> > >>>>This e-mail and its attachments are intended only for the > use of the > >>>>addressee(s) and may contain privileged, confidential or > proprietary > >>>>information. If you are not the intended recipient, or > the employee > >>>>or agent responsible for delivering the message to the intended > >>>>recipient, you are hereby notified that any dissemination, > >>>>distribution, displaying, copying, or use of this information is > >>>>strictly prohibited. If you have received this communication in > >>>>error, please inform the sender immediately and delete > and destroy > >>>>any record of this message. Thank you. > >>>>_______________________________________________ > >>>>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 > >> > >> > >>-- > >>No virus found in this incoming message. > >>Checked by AVG Free Edition. > >>Version: 7.1.412 / Virus Database: 268.18.0/689 - Release > >>Date: 2007-02-15 > >> > >> > >>-- > >>No virus found in this outgoing message. > >>Checked by AVG Free Edition. > >>Version: 7.1.412 / Virus Database: 268.18.0/689 - Release > >>Date: 2007-02-15 > >> > >> > >>_______________________________________________ > >>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 > _______________________________________________ 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
