ActionScript 3.0 :: PureMVC Or Gaia Framework?
Apr 19, 2010
Which framework is the best one to execute Website projects? I was researching around Flash website blogs and articles talking about the great advantage at daily production with these frameworks.In my case i'm used to get basic/intermediate projects that consists in Animations, Transitions between swf pages and at the most important point: liquid layouts.Gaia Framework seems to help a lot at organization and singular work time reduction spent.
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Dec 7, 2011
I've been learning greensock and I find it helpful now when studying greensock I've been introduced to Gaia does anyone here have an opinion on Gaia?
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Sep 21, 2011
I'm a total noob to Flash, and I'm learning it because I want to make a website design that looks like this.
That's coming from a separate external .fla file not inside my Gaia project. I currently have a Gaia 3.2.6/FP10/AS3 project with Timeline animation that I just made up today.The problem is that when I copy and paste those graphic symbols (not the background), into the 1st frame of my home.swf of my Gaia project, the preloader freezes at 50% on the home page.
When I remove the forms from my seperate external .fla file, then copy and paste them into the 1st frame of my Gaia project, the preloader freezes at 100%.When I draw a square onto the first frame of home.swf, the page loads normally.
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Dec 15, 2011
How can I set custom path to prealod.swf in gaia framework? I need this because the index.html file generated by gaia and all the swfs are located in different directories. I have set full path to all the swf files but preload.swf because I can't find the appropriate parameter anywhere. Now I get 404 error message for preload.swf in consolo.
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Oct 16, 2011
Does anyone know how to insert flashxml component to pages created by gaia framework? When I insert it, it show:
VerifyError: Error #1053: Illegal override of insert in com.greensock.TimelineLite.
ReferenceError: Error #1065: Variable MultiRow3DGallery is not defined.
ReferenceError: Error #1065: Variable MyWorksPage is not defined.
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Dec 9, 2009
My company is building a Flex application that we may need to port to other platforms:
[Code]...
Currently, I'm looking into application frameworks to build upon and I'm torn between pureMVC and Swiz. I LOVE swiz for its simplicity and how it just gives you a way to hook things up and then apply your own patterns. From a flex-only perspective, this is my 1st choice. But, PureMVC is platform-independent and has already been ported over to most of the platforms that are mentioned above. How valuable is this portability? Will it really make our lives significantly easier when it comes to porting and developing/maintaining multiple applications? If so, then it seems like PureMVC is the way to go.
Alternatively, since Silverlight has the most definite business case for porting of our application, maybe we could port Swiz to Silverlight? I'm not too familiar with which AS3 language and Flex framework features Swiz depends on and whether they are available in C#/Silvelright.
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Aug 2, 2011
I'm building a flash site (with Flash CS4 and AS3) inside of the Gaia framework.I want to let my visitors toggle between Exact_Fit and No_scale, and I've attached the following code to be triggered by the toggle button.
function toggleExactFit(event:MouseEvent):voi trace ("Here in toggleExactFit to change StageScaleMode") if (stage.scaleMode == StageScaleMode.NO_SCALE)
[code].....
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Dec 17, 2009
I used Gaia framework to build a self-scrolling slideshow. There are only 4 pages in all, but I have realized to my dismay that each of these pages are requested over and over from the server. If you leave the page open and the animation goes by itself, that can clobber our server.
What can I do to prevent this? I wonder if there is a way of writing a URLRequest so the pragma header can tell the browser to use the swf from its cache rather than requesting it again?
Note that I am not using SWFaddress so the requests are going to the same URI.
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May 11, 2009
I am building a portfolio site, and I want my content to occupy all the browser window. [URL] I know GAIA have the ability to do this but I don't know how to use it, and the more I look to it, the more I think it will be overkill to use on my project. I want my background to occupy 100% of the browser window and have the content to be centered. Is there a much simpler way to do that without having to do it in a framework?
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Feb 1, 2010
I got a background asset loaded then I want to add a textField above that asset. How do I do this. It sets behind. And I can�t figure out how to override the IDisplay class.
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Mar 17, 2010
Currently I am working on flex using puremvc framework. Actually my question is related to where to register mediator in puremvc framework. One of my colleague is registering mediator in views(components) creationComplete method only (inside view). While my preference is send some notification from creationComplete method which could be handle by some command and command will register mediator. So which one is better approach in terms of best practice ?
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Apr 21, 2010
I'm building modular application with 2 modules which share common vo: ShopRegionVO
This vo is also a BlazeDS entity and is mapped to a remote java object. When shell loads first module everything is ok. The second module is a list of ShopRegionVOs and item change is handled with the following code:
sendNotification(CoverageConstants.SET_SELECTED_REGION_COMMAND, ShopRegionVO(List(e.target).selectedItem));
The exception is thrown right here:
Main Thread (Suspended: Error #1034: Type Coercion failed: cannot convert model.vo::ShopRegionVO@14961809 to model.vo.ShopRegionVO.)
view.list::RegionListMediator/onChange
flash.events::EventDispatcher/dispatchEventFunction [no source][code].....
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Sep 2, 2010
A project requirement is that it be 1 way deeplinkable(a specific query string will load a section within the swf).I have a URLProxy that I use for all external linking. It makes sense to me to put the query string logic in this proxy. So in the constructor, I check for a querystring, and then send a notification if it equals a predefined value.One problem with this is that I'd like to predefine this query string key value I am checking against in an external xml file. So another proxy, loads-parses this config xml, then the URL proxy checks against this.
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Oct 20, 2011
I dont have any experiencie using this pattern when developing a game, except on a data driven website made mostly in Flex.The question is, are there any drawbacks of this pattern?, let say, performance for example?If anyone implemented a game using this framework.
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Oct 12, 2009
I am building a tabbed interface for switching between various similar layers. Each layer will have a number of graphs. By dragging with the mouse the graphs can be rearranged or even moved between layers. My question is, is it best practice to register a unique mediator for each layer that keeps track of the layers content / organization, or should i keep track of it all with one central mediator.some considerations:
the layer contents and organization will be saved(in a db) so that it can be restored when a user comes back to the app.the layers themselves are functionally identical.the user can add and remove layers at will.
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Dec 28, 2009
I have one question about pureMvc. I use pureMvc to build an engine, in the engine init part i have an requirement
1) moduleA must init firt
2) moduleB , moduleC need init after moduleA init complate.
3) moduleD need init after moduleB & moduleC init complate.
4) moduleA , moduleB , moduleC , moduleD all extends Proxy beacuse the four system all need to send notifiation ,but no need to listen it.
But to fit for the requirement I can't use command to do it, because they have ini order and also they need to remember current state(ex: moudelB is init Complate but moudleC is not init complete then can't init moudleD) but command is stateless. The best way I think is use one Mediator to do it, beacuse it can both listen and send notification. My question is :
1) Is this a good way to use one Mediator to do it?
2) If use Mediator is good way, then when it hear first moduleA is init complate
registerCommand(FIRST_MODULE_INIT_COMPLATE , initStepTwoCommand);
sendNotification(FIRST_MODULE_INIT_COMPLATE);
removeCommand(FIRST_MODULE_INIT_COMPLATE);
Need to do things like that way or just do the inti logic in the Mediator?
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Apr 22, 2010
I am developing a a game in Flash using the PureMVC framework. From time to time I need to show dialog pop-up window to get a user response back (e.g. "Cancel", "OK" and other kinds of asynchronous user feedback) while "locking" the background for interactivity.
I need some management for my pop-ups: all pop-up notifications should be stacked up, so that if two (or more) pop-up messages are initiated at the same time I show them one by one.
What's the best practice here? Should I employ a proxy to manage my pop-ups (sounds unreasonable). How do I get feedback back from my dialog? using notifications?
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May 8, 2010
In the context of AS3 and specifically a framework such as PureMVC, what an API for a View Component means.
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Sep 15, 2010
Often multiple instances of the view component would be used in multiple places in an application. Each time I do this, I register the same mediator with a different name. When a notification is dispatched, I attach the name of the mediator to the body of the notification, like so:
[Code]...
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Oct 11, 2011
I'm looking for suggestions regarding implementing process flow / work flow management in a PureMVC based application. Our Flex application includes a number of processes such as account creation, payment processing, etc. Within our team, there is some discussion of how rigidly we should adhere to the PureMVC model. Within the PureMVC model, it seems reasonable that the current state in the process could be managed in a Proxy. Commands are clearly responsible for processing the actions required of each node and for node transitions. Mediators for managing the UI.
However, I think that there is an important bit still missing here: a ProcessController. The approaches we've reviewed all seem to either violate the PureMVC model (even just slightly) or make unreadable code. A proxy would maintain the state of the process. As such, it seems to be an appropriate way to implement the controller. However, this is putting a lot of business logic into the proxy.
[Code]...
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Jul 14, 2009
I was wondering best practices for views of inherited classes in PureMVC in this situation: Multiple classes inherit a BaseClass (lets say InheritedClass1 and InheritedClass2) Each InheritedClass has a respective view (derived from a base view class, but each unique) With a given dataset (lets say ArrayCollection of InheritedClass1/2 Objects), the respective views need to be dynamically loaded. The dataset is relatively large, so a TileList would be nice (since it only instantiates objects which are currently displayed) I can think of a couple solutions, but I find them to be too "hackish" to be the best solution:
In View: Repeater over a BaseClassView which attributes a view to a State (set to the "InheritedClass1" state to add a InheritedClass1 object) Pros: No unneeded memory increase (States' objects are instantiated when needed) Cons: View is dependent on the data types, so adds coupling In Mediator: Loop over the ArrayCollection and addChild() the views based on data type Pros: Works. Cons: Mediator is adding things to the View, which defeats the point of the separation of Mediator and View. Slower than a Repeater.
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Aug 24, 2009
In the PureMVC framework, Proxies communicate with the ApplicationFacade (and thus any interested components) via a Notification. Should this Notification be sent via their own instance, or the Singleton instance of the ApplicationFacade? Frankly, does it matter?
[Code]...
The second method looks more verbose and less intuitive to me. Moreover, the Proxy has the ability to send Notifications, which, in my mind, means it probably should. Are there instances where the Proxy should only send a Notification via the ApplicationFacade instance?
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Jul 10, 2010
I have a flex application written using PureMVC framework.Now,I want to write tests.We are using FlashBuilder 4.Is FlexUnit sufficient for testing? Are there any issues you have faced while writing tests?
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Aug 16, 2011
I'm making an app with flash AS3 and puremvc, the way to correctly handle view mediators is sort of throwing me a little...I have 3 or 4 distinct views, each governed by it's own mediator.Each view is only displayed on its own - ie. when 1 is visible/on stage - the others are invisible/removed from stage (over simplified, but I guess could be thought of as seperate pages, viewed one at a time, a nav bar allows a user to change views when they like)
At first each view mediator I had creating and added to stage it's own view component, and as such, when it was 'turn' to show or hide that view, it was simple - addChild and removeChild for it's view component.However, I read over at puremvc.org that it's not good practice to
a. pass round the stage (which was the viewComponent for each mediator in my case - where each view was added to - eg. viewComponent.addChild(foo)
b. create its own view - which allowed me to add and remove it in the first place.
So I changed to the recommended way - when I create each mediator, what I pass in is the view component it governs (rather than the stage/main doc class eg.
var view:MyView = new MyView();
facade.registerMediator( new MyViewMediator( view ) );
viewComponent.addChild(view);
with that the case - I have no idea how I would go about removing/adding each view when needed.I could easily enough set the visibility from within each mediator, but I sort of wanted to avoid doing that - prefer removing when not in use for resource management...how I am 'meant' to go about this (as in, when a view is no longer needed on stage, remove it - temporarily, and add it later on when it is needed?)
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Oct 19, 2010
I'm working on an existing modular project that was built in PureMVC. Instead of converting everything over to RobotLegs, I want to create a new module using RobotLegs and plug it into the pureMVC shell. Currently, when the module loads, I get the following flash error: ReferenceError: Error #1065: Variable IMediatorMap is not defined.
Inititally, I thought it was because my module needed a pureMVC Mediator to call the pureMVC StartupCommand to get things "hooked up" and THEN create the RobotLegs' Context. However, that didn't work and I'm still getting the error.
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May 27, 2011
I am trying to write a simple multicore PureMVC helloword. I am getting Error: multitonKey for this Notifier not yet initialized!
[Code]....
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Oct 24, 2011
I'm creating a flash campaign which will be loaded into a client's framework, which I have no control over. The framework will already have loaded a few things such as locale, fonts and copy, and will pass these things to my swf upon initialization.
Since the size of my swf (let's call it the shell) is restricted it will in turn display a campaign-specific preloader and then load another swf (let's call this the campaign) with the rest of the site.
The shell and the campaign will both be PureMVC modules. The shell will create a few proxies and populate these with data passed from the framework (locale constants, fonts etc), before loading in the campaign.
When the campaign is loaded it too will need locale and fonts etc. so my question is, what is the best way to pass this data along to the campaign module from the shell module?
I could create the same proxies in the campaign module and load the data again, which will be cached, but this obviously feels like the wrong way to go.I've investigated the use of the pipes utility but this seems like a bit of an overkill in my case since the communication will be one-way and will just happen once during the initialization of the campaign.
Would it be "ok" from a design pattern point of view to pass the proxies to an init method of the campaign module and then register these proxies in the campaign module startup command? This seems wrong since these proxies have references to my shell application facade through notification names. Would it be ok if I move the notification names to some "NotificationConstants" class which both modules can use?
I could create similar proxies in the campaign module but this time populate them with the data objects from my old proxies passed to the previously mentioned init method? Spontaneously this feels like the best way to do it since the data objects don't have any references to my shell module but the "old" proxies do..
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Feb 15, 2011
I'm at the verge of starting a (for me) very complicated project and I am confused about in what way I should setup my code.EXPERIENCE:- I've been programming AS2 for almost 7 years now- Finally switched to AS3 a year ago- Have beworking with the PureMVC framework in my last couple projects nowPROJECT DESCRIPTION:I have to make several templates for a dynamic quiz game.+ Information about the quizzes comes from a database+ quizzes can have different kind of question and there are also other types of screens (information, video, etc)+ All quizzes are dynamic and therefor different+ there have to be several different templates (design, animations and dimensions)MY PROBLEM:I don't really know how to tackle the different templates in the right way.I want all the templates to make use of the same basic code, but only look different (design, transitions and dimensions) terefor I think I should use a MVC pattern.But how do I implement it in such a way that I:- can have 3 different templates- add extra features to the source code without needing to update all the templates- easily add other templates when neededI'm a bit stuck in the MVC way if thinking (which is quite complex for me).
- Do I need to create different sf's = SWFs for every template (and thus the need to update them all for every new feature we implement)- Or should I use a core template, on which I can expand a new "skin" by dynamically loading a theme-swf?
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Jan 26, 2009
As part of the learning PureMVC I've created this example (sources). And I must say that I'm quite disappointment about PureMVC.Here's things that I don't like:
1. Getting references to proxies/mediators by global string.
Code:
var model:SomeProxy=facade.retrieveProxy(SomeProxy.NAME) as SomeProxy;
What's the point in this? In that case why just don't create bunch of references in static public variables in some main class (ApplicationFacade.someProxy)? And after all, what if I want to have dynamic number of proxy/mediator class instances? Ones removed, another ones is created in running time.
2. "The events (notifications) from nowhere, handled by anyone" Let's say I have at my app five models of clocks. And I have also five corresponding views of clocks. With every thick of every clock model, one of clocks views should be updated.In normal approach there's just created control class which create view and model instances, and make decisions if there's any events from them.In PureMVC looks like there's only "global events" - ApplicationFacade.SOME_EVENT so if I want to do my 5 clocks I will have to:
- create notfication id: ApplicationFacade.CLOCK_TICK
- broadcast about it. But I will have to also pass the reference from what clock model it's:
Code:
sendNotification(ApplicationFacade.CLOCK_TICK, this);Now, from some command class that handle that event, should be made decision about updating certain clock view. The question is - from where that command class will know *which* clock view it is? And why this must be so complicated? Updating all clocks with every tick event is not the answer.
BTW: comments from INotification.sendNotification
Code:
@param notificationName the name of the notification to send
@param body the body of the notification (optional)
@param type the type of the notification (optional)
"name" is name, "body" is body, "type" is type - o rly?
3. Only "one level" model allowed?
I don't know how to say this clear so maybe images will be better
In PureMVC conceptual diagram things looks like this: But in real world things looks more like this: Our SubSubModel should have some kind of proxy? Or only "first level" models "deserve" for proxy?What if SubSubModel visual representation is so complicated that it should have dedicated view. How that view will get reference to that "deep-level" model? How they communicate?
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Jul 15, 2010
I have a mediator that I've registered for a navigation page:
facade.registerMediator(new NavPageMediator(viewComponent));
I'm trying to retrieve that mediator on another page like so:
var navPageMediator:NavPageMediator = facade.retrieveMediator(NavPageMediator.NAME) as NavPageMediator;
However, that statement returns null. If I try to cast it using the NavPageMediator(facade.retrieveMediator(NavPageMediator.NAME)) syntax instead, I get a TypeError: Error #1034: Type Coercion failed: cannot convert com.website.mvc.view.page::NavPageMediator@237560a1 to com.website.mvc.view.page.NavPageMediator.`
I can't, for the life of me, understand why NavPageMediator@237560a1 would be unable to convert to NavPageMediator, nor what happened in between registering the mediator and retrieving it that caused this. Especially since trace(new NavPageMediator() as NavPageMediator); returns [object NavPageMediator].
Incidentally, and this may be part of my problem, I don't understand what the @hash at the end of the object is (@237560a1). Is it simply an internal identifier for that class instance?
Edit:Left a bit of important info: The SWF in which I instantiate and register the mediator is separate from the SWF in which I try to retrieve it.
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