RE: [flexcoders] What's the official consensus of using CodeBehind??
I agree with Ralf's view and have recently blogged about it. http://weblogs.macromedia.com/auhlmann/archives/2007/02/best_practice_c. cfm Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] http://weblogs.macromedia.com/auhlmann Adobe Systems Europe Limited | Registered office: 151 St. Vincent Street, Glasgow G2 5NJ | Company No. SC101089 From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Ralf Bokelberg Sent: 08 February 2007 21:25 To: flexcoders@yahoogroups.com Subject: Re: [flexcoders] What's the official consensus of using CodeBehind?? This is just my personal view though, i'm not aware of an official version. Cheers, Ralf. On 2/8/07, Ralf Bokelberg [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: What is your reasoning to use code behind? Why would you want to double every class and add an additional inheritance layer just to separate Mxml from ActionScript? Why would you want to declare every component you are using twice, once in AS and the second time in Mxml? Is it to separate presentation from functionality? Generally this is a good idea, but i think it is important where to draw the line between the two. When you think of traditional systems with a template engine as the presentation layer, the templates also contain some code to build the presentation, while the functionality is implemented by plain classes. Now if we translate this thinking to Mxml and ActionScript, we should leave all the code we need to build the presentation inside the Mxml files and factor out the real functionality into classes. So i'd say, there is no! thing wrong with ActionScript in Mxml files as long as it is strictly presenation related. Cheers Ralf. On 2/8/07, Mike Anderson [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: Hello All, Could some of you more savvy coders, please take a moment of your valuable time and throw some words of wisdom out there regarding CodeBehind? Since I love using Packages and Classes, it feels very natural for me to use this method. BUT, based on where things are going with Flex, is this considered to be a good programming practice? I would love to know sooner versus later, so that I don't have to back and redo a bunch of coding. I am a REAL stickler when it comes to good coding practices. Thanks in advance for your time on this, Mike -- Ralf Bokelberg [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] Flex Flash Consultant based in Cologne/Germany Phone +49 (0) 221 530 15 35 -- Ralf Bokelberg [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] Flex Flash Consultant based in Cologne/Germany Phone +49 (0) 221 530 15 35 att77266.gif Description: att77266.gif
RE: [flexcoders] Alex's Distortion effects
Hi there, SimpleFlip is just an MXML component, which contains the setup code for the effects. There are various examples provided in the download like that. Check out the Creating and Extending Flex 2 Components documentation, chapter Creating MXML components for more information. Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] http://weblogs.macromedia.com/auhlmann Adobe Systems Europe Limited | Registered office: 151 St. Vincent Street, Glasgow G2 5NJ | Company No. SC101089 From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of danj520 Sent: 07 February 2007 00:45 To: flexcoders@yahoogroups.com Subject: [flexcoders] Alex's Distortion effects http://weblogs.macromedia.com/auhlmann/archives/2006/11/download_distor. cfm http://weblogs.macromedia.com/auhlmann/archives/2006/11/download_distor .cfm The example has the following code: ?xml version=1.0 encoding=utf-8? mx:Application xmlns:mx=http://www.adobe.com/2006/mxml http://www.adobe.com/2006/mxml xmlns:distortion=view.distortion.* distortion:SimpleFlip / /mx:Application Do you run this or integrate into other code? I love these distortion effects, but don't have a clue how to implement them. Also get Design Mode: Error creating item SimpleFlip even though paths to classes are correct. Can anyone help me? Thanks again in advance.. adobe_logo.gif Description: adobe_logo.gif
RE: [flexcoders] Binding a property to a function
Checkout mx:Binding and function bindings from Chapter 37 in Part 5 of Flex 2 Developer Guide about Bindings. and Observe/ObserveValue http://weblogs.macromedia.com/auhlmann/archives/2006/09/using_binding_s. cfm#more http://weblogs.macromedia.com/paulw/archives/2006/05/the_worlds_smal.cf m Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] http://weblogs.macromedia.com/auhlmann From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Lieven Cardoen Sent: 26 January 2007 13:21 To: flexcoders@yahoogroups.com Subject: [flexcoders] Binding a property to a function Is it possible to bind a property to a function... A bit like the MVC-pattern... When a property changes, a function should be triggered... BindingUtils can't seem to do this. Thx, Lieven Cardoen Lieven Cardoen Application developer indiegroup interactive digital experience engelse wandeling 2 k18 b8500 kortrijk att14d75.gif Description: att14d75.gif
RE: [flexcoders] BindingUtils.bindProperty versus mx:Binding
Closer to your mx:Binding tag is: BindingUtils.bindProperty( userVO, Name, this, [ nameTextInput, text ] ); but keep in mind that binding of mx.binding.utils using ChangeWatcher and BindingUtils work differently from the mx.binding package (MXML compiler binding). The latter supports much more use cases, i.e. binding to expressions, XML, having functions and Array elements in property chains, etc. BindingUtils i.e. only supports property chains. I'd question why you would want to replace all our MXML bindings when it's working like a charm for you? ;) Aren't MXML bindings (curly braces, function bindings, mx:Binding/Observe) easier to write and maintain? Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] http://weblogs.macromedia.com/auhlmann From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Mike Anderson Sent: 20 January 2007 05:14 To: flexcoders@yahoogroups.com Subject: [flexcoders] BindingUtils.bindProperty versus mx:Binding Hello All, I am not having much luck, using the bindProperty method of creating bindings. At the moment, I am using the mx:Binding method, and it's working like a charm. But, I am trying to get away from this, so I can put all my binding logic into my ActionScript Code. I was under the impression, that BindingUtils.bindProperty was the ActionScript direct replacement for the mx:Binding tag. A quick example of my usage: BindingUtils.bindProperty( nameTextInput, text, userVO, Name ); Which replaces: mx:Binding source=nameTextInput.text destination=userVO.Name/ I've tried executing the AS code, in the CreationComplete and the Initialize Functions of my Control, without any success. I just don't get any data binding taking place - unless, I am still executing this code too early, and need to listen for another event. Still, I thought CreationComplete or Initialize only fired off, when pretty much everything on the Control was 100% instantiated. Am I properly using the AS Bindings, or is there something else I am missing? Thanks in advance for your help, Mike att1c92c.gif Description: att1c92c.gif
[flexcoders] Re: ObserveValue, and how to reference within AS3 Class File
Hi Mike,
Observe and ObserveValue have been designed to work with MXML binding
only. The curly braces in the source and handler properties are being
treated differently by the MXML compiler than just simple ActionScript
assingments as you do in your example. Therefore, the current
implementation relies on the MXML compiler and cannot be used in
ActionScript.
However, I'd be intersted in why you want to use data binding in an
ActionScript environment (for your ActionScript model or utility
classes). In my experience, using a pure EventDispatcher is easier to
write and most importantly to read (especially for other developer,
potentially coming from other technologies). Just let your class
dispatch a custom event when something important happens. Or if you
cannot do that easily, listen to the propertyChange event of Bindable
properties.
Best,
Alex
--- In flexcoders@yahoogroups.com, Mike Anderson [EMAIL PROTECTED] wrote:
Hello All,
I am trying to figure out how to use the ObserveValue Component, when I
use it inside of a Class File.
In all the examples I've seen, they all utilize the Class File as a MXML
Component - and when I use it in this manner, it works just fine.
BUT, I really need to use this inside my Class Files - and as far as I
can tell, I should be able to import the Class File, and create a new
variable - casting it as an ObserveValue() - but when I use it this way,
nothing happens.
Per the examples, here is the proper use of the file:
ac:ObserveValue
id=valueObserver
source={ model.myVarToBeWatched }
handler=valueObserverHandler
value=true/
Now, I'd like to use it using pure ActionScript - and here's what I got
so far: (keep in mind, the AS Class File below, is extending the Control
in which it belongs to - and rest assured, that I am placing all the
appropriate code within all the proper Event Listeners, like
onCreationComplete, etc.) I am just keeping it simple, for this
particular post.
package
{
import com.adobe.ac.*;
class myClass extends Panel
{
private var myObserve:ObserveValue = new ObserveValue();
[Bindable]
public var model:ApplicationModel =
ApplicationModel.getInstance();
public function myClass():void
{
initObservers();
}
private function initObservers():void
{
myObserve.source = model.myVarToBeWatched;
myObserve.handler = valueObserverHandler;
myObserve.value = true;
}
private function valueObserverHandler( event:Event
):void
{
trace( it worked );
}
}
}
In my real code, I wait for the Creation Complete Event, before I
initialize all of my Event Listeners, etc. So you can assume that my
real code, is properly setup.
My real question here is, when creating component written purely in AS3,
can they be used either way - like as an inline Component in MXML, or if
you choose, referenced within an AS3 Package? I don't see why not,
since MXML Controls are all just Class Files anyway...
So I just wanted to know if somebody could shed some light on what I'm
doing wrong, or if the ObserveValue Class just wasn't designed to be
used in this manner.
Thanks in advance for all your help,
Mike
RE: [flexcoders] AC Observe Tag
Hi Bjorn,
are you using the extended version of Observe?
http://weblogs.macromedia.com/auhlmann/archives/2006/09/using_binding_s.
cfm#more
Best,
Alex
Alex Uhlmann
Consultant (Rich Internet Applications)
Adobe Consulting
Westpoint, 4 Redheughs Rigg,
South Gyle, Edinburgh, EH12 9DQ, UK
p: +44 (0) 131 338 6969
m: +44 (0) 7917 428 951
[EMAIL PROTECTED]
http://weblogs.macromedia.com/auhlmann
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Bjorn Schultheiss
Sent: 12 January 2007 05:09
To: flexcoders@yahoogroups.com
Subject: [flexcoders] AC Observe Tag
More or less this post is a question.
With regards to the use of Adobe Consulting's Observe utility i'm not
getting the expected result.
I've got some simple code where i wish to execute a function when a
value gets set via binding.
When i create my Observe instance the value has not yet been set.
The unexpected result is that,
1. The callbackHandler gets fired immediately after i set
observe.handler, even though the value i have set to observe.source is
== null
2. The callbackHandler is not getting called when the value does get
set.
Here's my code anyway.
private function init():void
{
var ac:Observe = new Observe();
ac.source = distribMap_model.templateSwfAsset;
ac.handler = playTemplatePreview;
}
private function playTemplatePreview(e:*):void
{
trace('playTemplatePreview');
}
private var model:AMModelLocator = AMModelLocator.getInstance();
[Bindable]
private var distribMap_model:DistribMappingModel =
model.tc_model.distribMap_model;
adobe_logo.gif
Description: adobe_logo.gif
RE: [flexcoders] event folder in cairngorm organization?
I wouldn't care too much about what you name the folder for events as long as it's easy enough to be found by your team. Nevertheless, regarding this topic I found it usefull to differentate Cairngorm events (extend CairngormEvent) and view or application events (extend i.e. EventDispatcher) Often I see view events as events sub folder(s) below your view folder. If you use hierachies of folder or not really depends on the complexity of your project. Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] http://weblogs.macromedia.com/auhlmann From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Kevin Sent: 04 January 2007 21:15 To: flexcoders@yahoogroups.com Subject: [flexcoders] event folder in cairngorm organization? I noticed that in Alex Uhlmann's code for the sample stock market dashboard he adds an 'event' directory to the standard cairngorm directories. http://www.alex-uhlmann.de/flash/adobe/blog/dashboard/iteration1/srcview /index.html http://www.alex-uhlmann.de/flash/adobe/blog/dashboard/iteration1/srcvie w/index.html Other's simply put events in the control folder. I assume this is purely coder preference on how to organize these directories, but I figured I should ask if there is any reason to separate out events from controls? Or should one make an event's folder a sub- directory of 'control'. Does it really matter? Sorry if this seems like a somewhat silly question! thanks, Kevin att7b49a.gif Description: att7b49a.gif
RE: [flexcoders] Flex Builder 2.0.1 and problem with DistortionEffects library, here's a fix
Thanks Brian, Due to the effects framework update in Flex 2.0.1 there are two versions of the Distortion effects available now. You can download the Flex 2.0.1 compatible version here: http://weblogs.macromedia.com/auhlmann/archives/DistortionEffects_Flex_2 _0_1.zip Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] http://weblogs.macromedia.com/auhlmann From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of klumikaze Sent: 05 January 2007 14:10 To: flexcoders@yahoogroups.com Subject: [flexcoders] Flex Builder 2.0.1 and problem with DistortionEffects library, here's a fix The new version of Flex Builder 2.0.1 seems to cause compatibility issues with Alex Uhlmann's DistortionEffects library. For anybody having issues with this, I have found a solution. The problem is on line 51 of Flip.as (com.adobe.ac.mxeffects.Flip). It seems the TweenEffect class, which Flip extends, now uses IEffectInstance instead of EffectInstance. If you change the following function to accept an IEffectInstance and fix your import at the top of Flip.as, you should have a working version again. Change this: override protected function initInstance( instance : EffectInstance ) : void To this: override protected function initInstance( instance : IEffectInstance ) : void And this: import mx.effects.EffectInstance To this: import mx.effects.IEffectInstance Cheers! Brian att25821.gif Description: att25821.gif
RE: [flexcoders] Using View States with Form Container
Maybe you're running into a bug here. Try adding the following handler
to the updateComplete event of your Form component.
private function initializeForm( form : Form ) : void
{
var target : Form = form;
if( target == null ) return;
for each( var child : UIComponent in target.getChildren() )
{
if( child is FormItem )
{
child.invalidateSize();
}
}
}
Best,
Alex
Alex Uhlmann
Consultant (Rich Internet Applications)
Adobe Consulting
Westpoint, 4 Redheughs Rigg,
South Gyle, Edinburgh, EH12 9DQ, UK
p: +44 (0) 131 338 6969
m: +44 (0) 7917 428 951
[EMAIL PROTECTED]
http://weblogs.macromedia.com/auhlmann
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of brian_m_riley
Sent: 26 December 2006 21:57
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Using View States with Form Container
I've created a base state with a Form (we'll call it myForm)
containing 3 FormItems each containing a TextInput; I've also created
2 additional view states:
State FooA just has a FormItem with a ComboBox and is based on above
base state, and is added as the last child of myForm.
State FooB has 2 FormItems, one with a ComboBox, and the other with
a TextInput and is also based on the above base state, and is also
added as the last children of myForm.
I change the state depending on the input in the 3rd TextInput in the
base state. The states change correctly, and I see the additional form
fields, but they do not vertically align with the rest of the fields
in the base form. The added fields are always shifted to the right.
Thoughts?
-riley
adobe_logo.gif
Description: adobe_logo.gif
RE: [flexcoders] Re: Cairngorm createPopUp in a command
I'd suggest to invoke the popup from a view. IMHO, creating a popup or Alert is something only views should be concerned about. Part 4 of my Cairngorm series talks about this: http://weblogs.macromedia.com/auhlmann/archives/2006/09/cairngorm_sampl_3.cfm#more Basically, your command changes a state in the model and a view (MXML) listens to it with i.e. using an Observe tag. The view could then either call the popup API in a Script block or might use a helper class to do that as Dimitrios showed. Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] http://weblogs.macromedia.com/auhlmann From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Michael Ritchie Sent: 14 December 2006 16:53 To: flexcoders@yahoogroups.com Subject: [flexcoders] Re: Cairngorm createPopUp in a command That reminds me of Jesse Warden's Debugger window he uses in his Cairngorm examples. I looked at this post just yesterday as we needed to create a custom alert message window that is shown from the Command onFault function. What I did was add a new ArrayCollection object to the Model called errorAlert. Then in the Main.mxml file I created a ArrayCollection collectionChange event listener that handles any change to the errorAlert. In each command I add create an error object and add that object to the errorAlert like model.errorAlert.addItem(myObj). This fires the collectionChange event and from Main.mxml I pop up my custom alert component. There seems to be no real elegant way to throw custom message components from the Command in Cairngorm, but I like your way Demitrios, it might be cleaner than listening to changes to the ArrayCollection object. I did think of one advantage of using my method, you could create a queue of the alert messages and do clean up with by firing the collectionChange event when you removeItemAt from the ArrayCollection. This could produce and handle multiple alert messages layered on top of each other. Michael Ritchie Xdrive.com --- In flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com , Dimitrios Gianninas [EMAIL PROTECTED] wrote: I have this pop up in a library btw. Use like so: somewhere in the app init: StatusWindow.init( rootView ); in your execute() method: StatusWindow.show( Searching..., false ); in your result() method: StatusWindow.hide(); in your fault() method: StatusWindow.show( Error, true, details ); Dimitrios Gianninas RIA Developer Optimal Payments Inc. From: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com [mailto:flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com ] On Behalf Of Dimitrios Gianninas Sent: Thursday, December 14, 2006 11:24 AM To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com Subject: RE: [flexcoders] Re: Cairngorm createPopUp in a command Tim... what you need is attached :) Enjoy. I got a whole bunch of them :) Dimitrios Gianninas RIA Developer Optimal Payments Inc. From: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com [mailto:flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com ] On Behalf Of Daniel Sent: Thursday, December 14, 2006 11:08 AM To: flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com Subject: [flexcoders] Re: Cairngorm createPopUp in a command Great solutions, however... What if I use Cairngorm as a Library. This means that it's outside my Application project and it wouldn't be possible to instance in the Command a TitleWindow located in the project. Any ideas? Thanks in advance! --- In flexcoders@yahoogroups.com mailto:flexcoders%40yahoogroups.com mailto:flexcoders%40yahoogroups.com , Tim Hoff TimHoff@ wrote: Is it possible to create and remove a popup in a Cairngorm command? I have a simple application that has two primary components; sidePanel and mainPanel. Various child components are added to the primary components, depending on the state of the application. What I want to do is create a popup in the mainPanel when the user clicks a search button in the sidePanel. The popup is a small component that shows a progress bar with a searching label. In the searching command, executed with a cairngormEvent when the sidePanel search button is clicked, I want to create the popup. onResult, remove the popup and change state to display a grid. onFault, remove the popup and display an Alert. I'm having a problem referencing the mainPanel as the popup parent and listening for an event to remove the popup. I've tried several different approaches with no success. If anyone could get me moving in the right direction, I would greatly appreciate
RE: [flexcoders] Question regarding Alex Uhlmann's DistortionEffects library
Hi Brian, have you checked out the supplied SimpleFlipTransition.mxml? This example shows usuage of States and Transitions with the distortion effects. Generally, the idea is to first apply the effect and afterwards the state change of the view (i.e. via currentState, ViewStack, manually addChild/removeChild etc). Also of interest might be SimpleManualFlip.mxml. The effects should work in every environment. If you experience problems, let's fix them. Feel free to drop me an email offlist (with a reproducable example). Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] http://weblogs.macromedia.com/auhlmann From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Brian Dunphy Sent: 14 December 2006 20:07 To: flexcoders@yahoogroups.com Subject: [flexcoders] Question regarding Alex Uhlmann's DistortionEffects library I've been looking in to Alex Uhlmann's DistortionEffects library ( http://weblogs.macromedia.com/auhlmann/archives/2006/11/download_distor. cfm http://weblogs.macromedia.com/auhlmann/archives/2006/11/download_distor .cfm ) and I'm trying to figure out how to implement these effects in to an existing application. Essentially, here's my problem: We have an existing application with a dashboard. Within that dashboard are Widgets. Widgets are an extension of DragPanel (extension of TitleWindows) that are the children of a Canvas. I chose to implement my own drag/drop functionality with TitleWindows so that I could restrict dragging to the Canvas area. Each Widget has a front (main UI) and a back (configuration). Currently I am using states and simple transitions to go back and forth between the two views of a Widget. My end goal is to use a Flip effect (available in the DistortionEffect library) to flip the widgets over to configure them, just like an OS X dashboard widget. All of the examples on Alex's site seem to make use of two or more Panels within a ViewStack to accomplish the flipping effect. Can anybody think of a way to implement the desired effect without completely changing my Widget architecture? My next step might be to try to make a draggable ViewStack container if I can't figure out another option. Any ideas would be appreciated! Thanks, Brian Dunphy adobe_logo.gif Description: adobe_logo.gif
RE: [flexcoders] Business Objects and Value Objects/Cairngorm. Distinction?
What I refer to as a business object in this article, you could also just call a model object. Because of the simplicity of the example it might look like a VO at the beginning, but read further articles in the series to get an idea where this potentially can go towards. It can be much more than just a VO, which responsiblity is to transfer data accros tiers. The Cairngormstore, the ShoppingCart would be another model object. You can easily unit test these objects and I encourage everyone to extract the right functionality from commands and views into objects such as this when your application demands a better separation of concerns. Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] http://weblogs.macromedia.com/auhlmann From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of lostinrecursion Sent: 09 December 2006 10:53 To: flexcoders@yahoogroups.com Subject: [flexcoders] Business Objects and Value Objects/Cairngorm. Distinction? Hi all, I was reading a fantastic series by Alex Uhlmann on How Business Logic can Manage Your Views ( http://weblogs.macromedia.com/auhlmann/archives/2006/06/cairngorm_sampl. cfm http://weblogs.macromedia.com/auhlmann/archives/2006/06/cairngorm_sampl .cfm ) I have one question for someone who may know. Could someone tell me the difference between a Business Object (such as the one Alex uses to encapsulate model properties) and a Value Object (which I am used to constructing). Is it fair to say a business object is just a faux collection of various Value Object (and non VO) properties in one convenient location? Likening it to the Cairngorm Store, would a ShoppingCart be a Business Object (as it encapsulates properties and performs application logic) while a ShoppingCartElement might be a Value Object? Thanks. adobe_logo.gif Description: adobe_logo.gif
RE: [flexcoders] Re: Cairngorm's Anaemic Domain Model
Hi Lach, there many ways to use Cairngorm. I agree with you completly, it's of vital importance to refactor the right functionality from both, views and commands into model objects that mean something to your use case. Then, this functionality can also be easier unit tested. Just lets keep in mind that there's also view functionality like effects code etc, which wouldn't make too much sense in a model, instead they can often be refactored into utility classes ( which you might want to call view helpers ;) ) However how your model is going to look like depends on your specific needs. Cairngorm doesn't tell you how to design your custom model or your custom view. It's the infractucture around that. My blog entries around that, which Douglas pointed out, have the indent to show one possible route to go towards this direction. Nevertheless, it's difficult to show that in examples, since there's a tradeoff in completeness and complexity vs. easy to understand examples and most importantly...time. ;) Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] http://weblogs.macromedia.com/auhlmann From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Lachlan Cotter Sent: 05 December 2006 11:30 To: flexcoders@yahoogroups.com Subject: Re: [flexcoders] Re: Cairngorm's Anaemic Domain Model My question isn't about the model locator. It's about logic, or lack thereof encapsulated within the domain objects. On 05/12/2006, at 9:59 PM, Tim Hoff wrote: It doesn't matter if it's a collection of dumb value objects, a component, a state variable, or just a common effect. If an object is used more than a couple of times in the app, put it in the ModelLocator. Remember, everything is an object; instantiated and destroyed like the rest of them (GC?:)). The key is; does the object need to be reusable? If so, make it central. -TH p.s. right on Tom. att8d3e9.gif Description: att8d3e9.gif
RE: [flexcoders] Re: need strategy for filtering ArrayCollections in a Cairngorm app
Hi Rick,
I havn't read the complete thread below, but since you're saying you're
working in a Cairngorm app, to me this looks like functionality that
should live in either one or multiple model object(s), instead of the
view. The view could just bind to a property (some collection) of that
model and update it via encapuslated API requests aka commands. Would
that work for you?
Best,
Alex
Alex Uhlmann
Consultant (Rich Internet Applications)
Adobe Consulting
Westpoint, 4 Redheughs Rigg,
South Gyle, Edinburgh, EH12 9DQ, UK
p: +44 (0) 131 338 6969
m: +44 (0) 7917 428 951
[EMAIL PROTECTED]
http://weblogs.macromedia.com/auhlmann
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Rick Schmitty
Sent: 05 December 2006 17:01
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Re: need strategy for filtering
ArrayCollections in a Cairngorm app
To dig up an old thread... How would you go about this if you had a
component that you wanted to reuse for different views of the data
that could be filtered additionally by that view?
I've run into a similar problem Tom had where the filterFunction is
passed along or overwritten. It seems my only choice (good or bad?)
is to have all possible filtering functions in the component and pass
the component some logic on which to use for its 'base' data in
addition to any user filter applied on the already filtered 'base'
data set
Perhaps I'm going about it the wrong way. I've modified Paul's example
below:
?xml version=1.0?
mx:Application xmlns:mx=http://www.adobe.com/2006/mxml
http://www.adobe.com/2006/mxml
creationComplete=initialise() xmlns:local=*
mx:Script
![CDATA[
import mx.collections.ArrayCollection;
import mx.collections.ListCollectionView;
import flash.utils.Timer;
[Bindable]
public var master : ArrayCollection = new ArrayCollection();
[Bindable]
public var slave1 : ListCollectionView = new ListCollectionView(master);
[Bindable]
public var slave2 : ListCollectionView = new ListCollectionView(master);
[Bindable]
public var slave3 : ListCollectionView = new ListCollectionView(master);
public var value : int = 0;
public function initialise() : void
{
slave1.filterFunction = filterOdd;
slave1.refresh();
slave2.filterFunction = filterEven;
slave2.refresh();
slave3.filterFunction = filterDivBy10;
slave3.refresh();
var timer : Timer = new Timer( 10, 50);
timer.addEventListener( timer, addValue);
timer.start();
}
public function addValue( event : Event ) : void
{
master.addItem( ++value );
}
public function filterOdd( item : Object ) : Boolean
{
var value : int = int(item);
return value % 2 == 1
}
public function filterEven( item : Object ) : Boolean
{
var value : int = int(item);
return value % 2 == 0
}
public function filterDivBy10( item : Object ) : Boolean
{
var value : int = int(item);
return value % 10 == 0
}
]]
/mx:Script
mx:HBox width=100%
mx:VBox
mx:Label text=Master List/
mx:List editable=true dataProvider={ master } height=400/
/mx:VBox
local:slave slaveData={slave1} label=odd/
local:slave slaveData={slave2} label=even/
local:slave slaveData={slave3} label=divisible by 10/
/mx:HBox
/mx:Application
** slave.mxml **
?xml version=1.0 encoding=utf-8?
mx:VBox xmlns:mx=http://www.adobe.com/2006/mxml
http://www.adobe.com/2006/mxml
xmlns:ac=com.adobe.ac.util.*
creationComplete=complete() initialize=init()
mx:Script
![CDATA[
import mx.collections.ListCollectionView;
[Bindable]
public var slaveData:ListCollectionView;
public function filterDivBy5(item:Object):Boolean {
var value : int = int(item);
if (filterOn.selected)
return value % 5 == 0
else
return true;
}
private function init():void {
trace(init);
debug();
trace();
}
private function complete():void {
trace(complete);
slaveData.filterFunction=filterDivBy5;
debug();
trace();
}
private function filter():void {
trace(filter);
debug();
slaveData.refresh();
trace();
}
private function debug():void {
if (slaveData == null) {
trace(slaveData object is null);
return;
}
trace(length: +slaveData.length);
if (slaveData.filterFunction==null)
trace(filter function: null);
else if (slaveData.filterFunction==filterDivBy5)
trace(filter function: DivBy5);
else
trace(filter function: parent filter);
}
]]
/mx:Script
mx:Label id=slaveLabel text={this.label}/
mx:List dataProvider={slaveData} height=400 editable=true/
mx:CheckBox id=filterOn label=Filter by Div5 change=filter()/
mx:Button click=debug()/
/mx:VBox
On 6/10/06, Paul Williams [EMAIL PROTECTED] mailto:paulw%40adobe.com
wrote:
Hi Tom,
A nice way to do this is to create a master that is an
ArrayCollection, and then for each of your filtered lists you use a
ListCollectionView. When you create your ListCollectionView you pass
your master list in as a constructor parameter (because ArrayCollection
implements Ilist). You can then add a filter function to each of your
filtered lists without affecting the master. Each ListCollectionView
will listen
[flexcoders] Distortion Effects
Here's something for ya: http://weblogs.macromedia.com/auhlmann/archives/2006/11/download_distor.cfm ;) Alex Alex Uhlmann Consultant (Rich Internet Applications)Adobe ConsultingWestpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969m: +44 (0) 7917 428 951[EMAIL PROTECTED]http://weblogs.macromedia.com/auhlmann __._,_.___ -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com SPONSORED LINKS Software development tool Software development Software development services Home design software Software development company Your email settings: Individual Email|Traditional Change settings via the Web (Yahoo! ID required) Change settings via email: Switch delivery to Daily Digest | Switch to Fully Featured Visit Your Group | Yahoo! Groups Terms of Use | Unsubscribe __,_._,___
RE: [flexcoders] JUST SAY NO to creationPolicy=all !
Hi Benoit, can you tell us more wherebindings didn't work for you? Best, Alex Alex Uhlmann Consultant (Rich Internet Applications)Adobe ConsultingWestpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969m: +44 (0) 7917 428 951[EMAIL PROTECTED]http://weblogs.macromedia.com/auhlmann From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Benoit HediardSent: 31 October 2006 15:40To: flexcoders@yahoogroups.comSubject: RE: [flexcoders] JUST SAY NO to creationPolicy="all" ! In most cases and in a "perfect" world, it can be avoided.But in some specific cases, it is very useful, especially to workaround somebinding bugs...In our app (a pretty complex one), we use as much as possible the CairngormModelLocator and bindings.But we have some views that could not be configured by bindings or atinitialization, so we are using cairngorm ViewHelpers to do that.In order to use viewHelpers, you have to be sure that the view has beeninstantiated.Deferred instantiation is not "always the way to go".So please, do not remove this option... ;)Benoit Hediard#affinitiz.com-Message d'origine-De : [EMAIL PROTECTED]ups.com [mailto:[EMAIL PROTECTED]ups.com] De lapart de Adam DorritieEnvoyé : mardi 31 octobre 2006 14:37À : [EMAIL PROTECTED]ups.comObjet : Re: [flexcoders] JUST SAY NO to creationPolicy="all" !On 10/30/06, Gordon Smith [EMAIL PROTECTED]com wrote: rant I've never seen a case where it is necessary to push data into thecontrols before they exist. If you must put the data somewhere in themeantime, store it in data vars, which have none of the startup cost of avisual component, and then move it into the controls after they get created. /rantI guess I'm wondering why, if there is apparently no use case for this"feature" and deferrred instantiation is "the way to go," it is included inthe language at all. Is there never a case to use this option?--Flexcoders Mailing ListFAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txtSearch Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.comYahoo! Groups Links __._,_.___ -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com SPONSORED LINKS Software development tool Software development Software development services Home design software Software development company Your email settings: Individual Email|Traditional Change settings via the Web (Yahoo! ID required) Change settings via email: Switch delivery to Daily Digest | Switch to Fully Featured Visit Your Group | Yahoo! Groups Terms of Use | Unsubscribe __,_._,___
RE: [flexcoders] cairngorm .99 to cairngorm 2
Just to add to Dimitios here, keep in mind that most of the migration effort described in my blog entry at point 3 was only related to the type of event dispatching we've used in previous Cairngorm beta versions during the Flex 2 beta. They don't apply when you're migrating from Flex 1. In fact, as Dimitios says, your migration should be easier. Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] http://weblogs.macromedia.com/auhlmann -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Dimitrios Gianninas Sent: 14 October 2006 14:09 To: flexcoders@yahoogroups.com Subject: RE: [flexcoders] cairngorm .99 to cairngorm 2 Hi, Cairngorm 0.99 and 2.0 are very similar so I dont think there is anything to watch out for in particuliar. Perhaps you might want to read an article by Alex just in case: http://weblogs.macromedia.com/auhlmann/archives/2006/07/cairngorm_2_for. cfm Dimitrios Gianninas Optimal Payments Inc. -Original Message- From: flexcoders@yahoogroups.com on behalf of fuad_kamal Sent: Fri 10/13/2006 10:33 AM To: flexcoders@yahoogroups.com Subject: [flexcoders] cairngorm .99 to cairngorm 2 I'm migrating a flex 1.5 ap to 2.0, for which the migration doc from Adobe is extremely useful. The app uses Cairngorm, I was wondering if there are any known issues to look out for or a guide for moving from Cairngorm 0.99 to the current version of Cairngorm. thanks -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * Your email settings: Individual Email | Traditional * To change settings online go to: http://groups.yahoo.com/group/flexcoders/join (Yahoo! ID required) * To change settings via email: mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
RE: [flexcoders] Re: cairngorm: calling a function in a view
Hey Guys,
FYI, I've just blogged about this
topic.
http://weblogs.macromedia.com/auhlmann/archives/2006/09/cairngorm_sampl_3.cfm
http://weblogs.macromedia.com/auhlmann/archives/2006/09/using_binding_s.cfm
Best,
Alex
Alex
Uhlmann Consultant (Rich Internet Applications)Adobe
ConsultingWestpoint, 4 Redheughs Rigg, South Gyle,
Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969m: +44 (0)
7917 428 951[EMAIL PROTECTED]http://weblogs.macromedia.com/auhlmann
From: flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Tim HoffSent:
18 September 2006 16:35To:
flexcoders@yahoogroups.comSubject: [flexcoders] Re: cairngorm:
calling a function in a view
That would be fantastic Alex. Thank you for your thoughts concerning this
topic. I look forward to reading your blog.-TH--- In [EMAIL PROTECTED]ups.com,
"Alex Uhlmann" [EMAIL PROTECTED]. wrote: Hi
there, I'd suggest letting the Command retrieve a model object
via ModelLocator. Then, some state property in the model changes which
could trigger an event. Views could listen to either EventDispatcher
events or via Bindings. Following the Binding approach, your view
could bind to single properties, call methods on the view via
function bindings or if you explicitly want to let the view react to
a model's state change with calling a view method (i.e. invoking an
effect or popup), which doesn't necessarily return a value to a MXML
component, you can use mx:Binding or Paul's Observe tag. http://weblogs.macromedia.com/paulw/
Tim, you're right. I'll hopefully get to post something about this
later this week. Best, Alex
Alex Uhlmann Consultant (Rich Internet Applications)
Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle,
Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917
428 951 [EMAIL PROTECTED] http://weblogs.macromedia.com/auhlmann
From: [EMAIL PROTECTED]ups.com
[mailto:[EMAIL PROTECTED]ups.com]
On Behalf Of Tim Hoff Sent: 18 September 2006 04:29 To:
[EMAIL PROTECTED]ups.com
Subject: [flexcoders] Re: cairngorm: calling a function in a view
Yes, your login example illustrates a common way to
drive the view through the ModelLocator. However, I agree with you that
it would be cleaner to have a view method to do this sort of thing
instead of a huge model with lots of references. The only problem
with referencing a view function directly from a command, is that if
you remove the view or the function, the command breaks (violates
encapsulation). If you really wanted to do this from a command
though, you could traverse the display list ID's like so (not
recommended):
Application.application.viewMain.viewRef.resetForm();
An alternative would be to dispatch a custom event, from the
command, that would be listened for by the view. I've addressed this
issue here before. My personal opinion is that a responder that goes
from the command, through the FrontController, to the view, would be
very helpful for these types of functions. The Cairngorm experts here
haven't really provided much guidance, either through samples or
blog postings, in this area. Perhaps as more people, like you, ask
similar questions, more insight will be provided. Until then, since we
want to remain as true to the Cairngorm architecture as possible,
binding all state (local and shared) to the ModelLocator seems to be
the recommended solution. Thanks for the post,
-TH --- In [EMAIL PROTECTED]ups.com
mailto:flexcoders%40yahoogroups.com , "Diego Guebel"
dguebel.subscription@ wrote: Hi
Tim, this might be a silly example: I have a login
form, when the command responds onFault I want to able to
reset the user and password textfields. doing something
like: viewRef.resetForm();you
might suggest to do something like this in the view:
mx:TextInput id="username" text="{login.username}"/
mx:TextInput id="password"
text="{login.password}"/and something
like this in the command: public function onFault(event:* =
null):void { model.login.username = "";
model.login.password = ""; }I
think this is the best practice, but I was just wondering as I'm
moving from Arp where you have a view reference in the command and
is really common to do things like
viewRef.method() something I think it would be clearer to have
a method to do this sort of thing instead of a huge
model with lots of referencesDiego.
On Mon, 18 Sep 2006 10:17:41 +1200, Tim Hoff
TimHoff@ wrote: Hi Diego,
In general a Command and a View shouldn't know about each
other. Usually, the state of a view is changed by binding
to the ModelLocator; which is updated by a Command. What does
your view function do?
-TH ---
RE: [flexcoders] Re: cairngorm: calling a function in a view
Hi Tim, thanks for your feedback. The link on my blog should work now. Best, Alex Alex Uhlmann Consultant (Rich Internet Applications)Adobe ConsultingWestpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969m: +44 (0) 7917 428 951[EMAIL PROTECTED]http://weblogs.macromedia.com/auhlmann From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Tim HoffSent: 29 September 2006 21:47To: flexcoders@yahoogroups.comSubject: [flexcoders] Re: cairngorm: calling a function in a view Hi Alex,Thank you very much for addressing this topic in your blog. Using observe and ObserveValue seems much cleaner than viewLocator/viewHelper; more direct and less classes. Your examples illustrate a very useful technique for manipulating local view states through binding. I wasn't however, able to view the source for Iteration6. It shows a partial listing of the application mxml class, but no other classes and download options.Kudos,-TH--- In [EMAIL PROTECTED]ups.com, "Alex Uhlmann" [EMAIL PROTECTED]. wrote: Hey Guys, FYI, I've just blogged about this topic. http://weblogs.macromedia.com/auhlmann/archives/2006/09/cairngorm_sampl_ 3.cfm http://weblogs.macromedia.com/auhlmann/archives/2006/09/using_binding_s. cfm Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] http://weblogs.macromedia.com/auhlmann From: [EMAIL PROTECTED]ups.com [mailto:[EMAIL PROTECTED]ups.com] On Behalf Of Tim Hoff Sent: 18 September 2006 16:35 To: [EMAIL PROTECTED]ups.com Subject: [flexcoders] Re: cairngorm: calling a function in a view That would be fantastic Alex. Thank you for your thoughts concerning this topic. I look forward to reading your blog. -TH --- In [EMAIL PROTECTED]ups.com mailto:flexcoders%40yahoogroups.com , "Alex Uhlmann" auhlmann@ wrote: Hi there, I'd suggest letting the Command retrieve a model object via ModelLocator. Then, some state property in the model changes which could trigger an event. Views could listen to either EventDispatcher events or via Bindings. Following the Binding approach, your view could bind to single properties, call methods on the view via function bindings or if you explicitly want to let the view react to a model's state change with calling a view method (i.e. invoking an effect or popup), which doesn't necessarily return a value to a MXML component, you can use mx:Binding or Paul's Observe tag. http://weblogs.macromedia.com/paulw/ http://weblogs.macromedia.com/paulw/ Tim, you're right. I'll hopefully get to post something about this later this week. Best, AlexAlex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 auhlmann@ http://weblogs.macromedia.com/auhlmann http://weblogs.macromedia.com/auhlmann From: [EMAIL PROTECTED]ups.com mailto:flexcoders%40yahoogroups.com [mailto:[EMAIL PROTECTED]ups.com mailto:flexcoders%40yahoogroups.com ] On Behalf Of Tim Hoff Sent: 18 September 2006 04:29 To: [EMAIL PROTECTED]ups.com mailto:flexcoders%40yahoogroups.com Subject: [flexcoders] Re: cairngorm: calling a function in a view Yes, your login example illustrates a common way to drive the view through the ModelLocator. However, I agree with you that it would be cleaner to have a view method to do this sort of thing instead of a huge model with lots of references. The only problem with referencing a view function directly from a command, is that if you remove the view or the function, the command breaks (violates encapsulation). If you really wanted to do this from a command though, you could traverse the display list ID's like so (not recommended): Application.application.viewMain.viewRef.resetForm(); An alternative would be to dispatch a custom event, from the command, that would be listened for by the view. I've addressed this issue here before. My personal opinion is that a responder that goes from the command, through the FrontController, to the view, would be very helpful for these types of functions. The Cairngorm experts here haven't really provided much guidance, either through samples or blog postings, in this area. Perhaps as more people, like you, ask similar questions, more insight will be provided. Until then, since we want to remain as true to the Cairngorm architecture as possible, binding all state (local and shared) to the ModelLocator seems to be the r
RE: [flexcoders] Re: cairngorm: calling a function in a view
Hi there,
I'd suggest letting the Command retrieve a model object via
ModelLocator. Then, some state property in the model changes which could trigger
an event. Views could listen to either EventDispatcher events or via Bindings.
Following the Binding approach, your view could bind to single properties, call
methods on the view via function bindings or if you explicitly want to let the
view react to a model's state change with calling a view method (i.e. invoking
an effect or popup), which doesn't necessarily return a value to a MXML
component, you can use mx:Binding or Paul's Observe tag.
http://weblogs.macromedia.com/paulw/
Tim,
you're right. I'll hopefully get to post something about this later this
week.
Best,
Alex
Alex
Uhlmann Consultant (Rich Internet Applications)Adobe
ConsultingWestpoint, 4 Redheughs Rigg, South Gyle,
Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969m: +44 (0)
7917 428 951[EMAIL PROTECTED]http://weblogs.macromedia.com/auhlmann
From: flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Tim HoffSent:
18 September 2006 04:29To:
flexcoders@yahoogroups.comSubject: [flexcoders] Re: cairngorm:
calling a function in a view
Yes, your login example illustrates a common way to drive the view
through the ModelLocator. However, I agree with you that it would be
cleaner to have a view method to do this sort of thing instead of a huge
model with lots of references. The only problem with referencing a view
function directly from a command, is that if you remove the view or the
function, the command breaks (violates encapsulation). If you really
wanted to do this from a command though, you could traverse the display list
ID's like so (not recommended):
Application.application.viewMain.viewRef.resetForm();An
alternative would be to dispatch a custom event, from the command, that
would be listened for by the view. I've addressed this issue here before. My
personal opinion is that a responder that goes from the command, through the
FrontController, to the view, would be very helpful for these types of
functions. The Cairngorm experts here haven't really provided much guidance,
either through samples or blog postings, in this area. Perhaps as more
people, like you, ask similar questions, more insight will be provided.
Until then, since we want to remain as true to the Cairngorm architecture as
possible, binding all state (local and shared) to the ModelLocator seems to
be the recommended solution.Thanks for the post,-TH--- In [EMAIL PROTECTED]ups.com,
"Diego Guebel" dguebel.subscripti[EMAIL PROTECTED] wrote:
Hi Tim, this might be a silly example: I have a login form, when
the command responds onFault I want to able to reset the user and
password textfields. doing something like:
viewRef.resetForm(); you might suggest to do something
like this in the view: mx:TextInput id="username"
text="{login.username}"/ mx:TextInput id="password"
text="{login.password}"/ and something like this
in the command: public function onFault(event:* =
null):void { model.login.username = "";
model.login.password = ""; } I think this is the
best practice, but I was just wondering as I'm moving from Arp
where you have a view reference in the command and is really common
to do things like viewRef.method() something I think it would be
clearer to have a method to do this sort of thing instead of a huge
model with lots of references Diego.
On Mon, 18 Sep 2006 10:17:41 +1200, Tim Hoff [EMAIL PROTECTED]
wrote: Hi Diego, In general a
Command and a View shouldn't know about each other. Usually, the
state of a view is changed by binding to the ModelLocator; which is
updated by a Command. What does your view function do?
-TH --- In [EMAIL PROTECTED]ups.com,
"Diego Guebel" dguebel.subscription@ wrote:
Hi there, I wonder what would be the
best way to call a function in a view when I get a
result in a command. what is the way to have a reference to the
view in the command since
viewlocator/viewhelper is not more recommended? Thanks,
Diego.
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RE: [flexcoders] Re: Caringorm - Visual Flowchart Poster!
Hey there, first of all, I think it's great to see works like this done! Can I just suggesta littleimprovment, though. I only see the ModelLocatorholding Value Objects. In my experience this means the actual business logic (if there is any) would probably then either have to be in the views or in the commands. Hovewer, I oftensee business logic in model objects that can be accessed by ModelLocator. Model objects might contain Value Objects. Your Commands could only be reusable requests to APIs of model objects. I'd definitely suggest focsing moreon model objects, which can easily be unit tested etc. My latest blog entry has been about this topic: http://weblogs.macromedia.com/auhlmann/archives/2006/07/cairngorm_sampl_2.cfm Now, back to vacation. ;) Best, Alex Alex UhlmannConsultant (Rich Internet Applications)Adobe ConsultingWestpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969 m: +44 (0)7917 428 951[EMAIL PROTECTED] http://weblogs.macromedia.com/auhlmann From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Evan GiffordSent: 31 July 2006 18:39To: flexcoders@yahoogroups.comSubject: RE: [flexcoders] Re: Caringorm - Visual Flowchart Poster! Hey Russell! Im finishing up this diagram ([flexcoders] Caringorm - Visual Flowchart Poster!) .. and I sorted by subject so I missed your post, sorry!! Anyway, you can see the flowchart here: http://www.undustrial.com/flexdocs/cairngorm.gif At this stage, Id prefer if you submit color/shape/organization changes back to me so that we can have one working copy of this document and finalize it by Wednesday. Thanks! Evan From: [EMAIL PROTECTED]ups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of lownlazy000Sent: Sunday, July 30, 2006 5:10 PMTo: [EMAIL PROTECTED]ups.comSubject: [flexcoders] Re: Caringorm - Visual Flowchart Poster! If you would like to kick your visio chart over to me I would be happy to help. russellatcorbell.com.au Also, I'll happily pass along the Visio document to anyone who would like to help, either with colors, shapes or organization, please don't hesitate to ring in. --No virus found in this incoming message.Checked by AVG Free Edition.Version: 7.1.394 / Virus Database: 268.10.5/403 - Release Date: 7/28/2006 --No virus found in this outgoing message.Checked by AVG Free Edition.Version: 7.1.394 / Virus Database: 268.10.5/403 - Release Date: 7/28/2006 __._,_.___ -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com SPONSORED LINKS Web site design development Computer software development Software design and development Macromedia flex Software development best practice YAHOO! GROUPS LINKS Visit your group "flexcoders" on the web. To unsubscribe from this group, send an email to:[EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. __,_._,___
RE: [flexcoders] Trying out Cairngorm Login Example
Hi Malik,
it seems that the model object
com.adobe.cairngorm.samples.login.model.Login conflicts with another root MXML
component, which is also called Login (Login.mxml). You can either use another
name for the root MXML component as I did (i.e. CairngormLogin.mxml), or use
absolute pathswhen
usingcom.adobe.cairngorm.samples.login.model.Login in this
project.
I can't reproduce your Design mode warning. Maybe this
relates to the naming conflict?
Best,
Alex
Alex UhlmannConsultant (Rich Internet
Applications)Adobe ConsultingWestpoint, 4 Redheughs Rigg,
South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969
m: +44 (0)7917 428 951[EMAIL PROTECTED]
http://weblogs.macromedia.com/auhlmann
From: flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of
malik_robinsonSent: 18 July 2006 00:37To:
flexcoders@yahoogroups.comSubject: [flexcoders] Trying out Cairngorm
Login Example
Hi,
I am trying to use the Cairngorm framework and following
this tutorial, but I get1 error and 1 warningthat
prevent things from working
http://weblogs.macromedia.com/auhlmann/ - Link to tutorial for those who may be looking.
This is just a warning in Flexbuilder so it might
not be a big deal: Design mode: Error
creating item LoginPanel in parent ViewStack "appView". Please choose Design
Refresh to refresh design mode.Login.mxml
The "other error" that causes things to break
is:'login': identifier and class may not
have the same name.Loginline 47July 17, 2006. It
points to this line of code:
view:LoginPanel id="login" login="{ model.login
}"/ It seems to be some name clashing due to perhaps a class being
named the same as the id attribute of the above. I am using this
code right out of the box.
Anyone have any suggestions or possibilities. I tried
renaming the 'id' to something else, but it seems to require that Id as I got
tons of other errors in other files that seem to be looking for a specific value
of 'login' for the id attribute when I renmaed it.
Thanks,
Malik
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RE: [flexcoders] Need Help with Animation Package
Hi Alejo, There are quite a few changed to be done to run AP with AS3. I'm in the process of releasing an alpha version of AnimationPackage for ActionScript 3. If you're interested in testing (or anyone else), please drop me an email offlist. Also, please let me know for what use cases you would like to use an AS3 version of AP. Because in caseyou're using the Flex framework, I'd recommendyou use the Flex Effects framework. The Flex Effects framework does a lot of things in concert with the Flex framework that AP isn't designed to do. That means, an AS3 version of AP will only be targeted for projects that doesn't use the Flex Effects framework. Best, Alex Alex UhlmannConsultant (Rich Internet Applications)Adobe ConsultingWestpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969 m: +44 (0)7917 428 951[EMAIL PROTECTED] http://weblogs.macromedia.com/auhlmann From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Alejo VinjoySent: 04 June 2006 17:33To: flexcoders@yahoogroups.comSubject: [flexcoders] Need Help with Animation Package Hello , I was wondering if a could use Alex Uhlman´s Animation Package with Flex Biuld 2.0 Beta 3. It seems that´s been a few changes from ActionScript 2.0 to ActionScript 3.0 and I can´t make it work properly (It has a lot of problems with Void instead of void and there is no way I can make Flex Builder organize correcty the imports that a need in order to use the classes of the Animation Packeage.Does anybody know how to fix this, or does anybody had this problem?Thanks, __Correo Yahoo!Espacio para todos tus mensajes, antivirus y antispam ¡gratis! ¡Abrí tu cuenta ya! - http://correo.yahoo.com.ar -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com SPONSORED LINKS Web site design development Computer software development Software design and development Macromedia flex Software development best practice YAHOO! GROUPS LINKS Visit your group "flexcoders" on the web. To unsubscribe from this group, send an email to:[EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
RE: [flexcoders] Re: Dispatching multiple events in order with cairngorm
Hi Guys, I'd probably suggest letting the view dispatch a Cairngorm event, having that following Command change a state in your model and have that view bind to that state change in the model. This view will trigger the effect and at effectEnd you will trigger another Command. IMHO, the Command should never invoke anything view related (like an effect) by himself. Note that your view (MXML) can bind to the model using the mx:Binding tag. BTW: check out Paul's little helper for that. ;) http://weblogs.macromedia.com/paulw/archives/2006/05/the_worlds_smal.cfm #more Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Jean-Luc ESSER Sent: 01 June 2006 10:35 To: flexcoders@yahoogroups.com Subject: Re: [flexcoders] Re: Dispatching multiple events in order with cairngorm Thanx Tim i'm gonna look into this, but i'm worried about one issue : In case of a command launching an effect in a component, when the effect starts, it means the command has executed, thus invocating the next command. What if i want to wait for effectEnd before invoking next command... I'll keep you posted. -JL, investigating. - Original Message - From: Tim Hoff [EMAIL PROTECTED] To: flexcoders@yahoogroups.com Sent: Thursday, June 01, 2006 11:18 AM Subject: [flexcoders] Re: Dispatching multiple events in order with cairngorm Hi Jean-Luc, It looks like you might need to use the Cairngorm SequenceCommand class. I haven't used this yet but if you look at the source for the SequenceCommand class, it describes a possible solution for you. If you use this and get it to work, please post your findings here. Good Luck, Tim --- In flexcoders@yahoogroups.com, JL E. [EMAIL PROTECTED] wrote: Hi there ! I have a search pane. I open it (sliding to the right). Now, i want to go somewhere else in the application. In order to do that, when clicking on let's say 'contact', i dispatch an event which is gonna show page contact. The thing is that when clicking 'contact', before executing the command which is gonna build contact page, i want to check if the search pane is open, and if so, i want to dispatch event closeSearchPane, wait until it is fully closed, and only then execute my command showContactPage. I guess coding this logic in my command showContactPage won't scale as i may need this logic to work everywhere in the app, whichever event i am gonna dispatch. How would you do it ? What am i missing here ? Best, Jean-Luc PS: Thanx Alex for previous answers regarding getters setters ! Worked fine ! -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links Yahoo! Groups Sponsor ~-- Protect your PC from spy ware with award winning anti spy technology. It's free. http://us.click.yahoo.com/97bhrC/LGxNAA/yQLSAA/nhFolB/TM ~- -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com SPONSORED LINKS Web site design development Computer software development Software design and development Macromedia flex Software development best practice YAHOO! GROUPS LINKS Visit your group "flexcoders" on the web. To unsubscribe from this group, send an email to:[EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
RE: [flexcoders] No FontManager provided after migrating to Beta 3
Yes, that's a bug in the default flex-config.xml. Change managers manager-classmacromedia.fonts.JREFontManager/manager-class manager-classmacromedia.fonts.BatikFontManager/manager-class /managers To managers manager-classmacromedia.fonts.JREFontManager/manager-class manager-classmacromedia.fonts.BatikManager/manager-class /managers (without the Font) In compilerfonts and it should work. Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of bronzemug Sent: 01 June 2006 20:08 To: flexcoders@yahoogroups.com Subject: [flexcoders] No FontManager provided after migrating to Beta 3 I migrated my Beta2 code base which is using some embedded ttf fonts to Beta3 and suddenly started getting exception during transcoding: No FontManager provided. Cannot build font. I am using the standard flex-config.xml that comes with Beta3 distribution. Is there something I am missing? Yahoo! Groups Sponsor ~-- Everything you need is one click away. Make Yahoo! your home page now. http://us.click.yahoo.com/AHchtC/4FxNAA/yQLSAA/nhFolB/TM ~- -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com SPONSORED LINKS Web site design development Computer software development Software design and development Macromedia flex Software development best practice YAHOO! GROUPS LINKS Visit your group "flexcoders" on the web. To unsubscribe from this group, send an email to:[EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
RE: [flexcoders] Re: Dispatching multiple events in order with cairngorm
Hey Guys, I've just written my first blog entry around this area. I plan to extend around this in the coming days and weeks. There are comments enabled, so feel free to let me know what you think. http://weblogs.macromedia.com/auhlmann/archives/2006/06/cairngorm_sampl. cfm Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] http://weblogs.macromedia.com/auhlmann -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Darren Houle Sent: 01 June 2006 20:29 To: flexcoders@yahoogroups.com Subject: RE: [flexcoders] Re: Dispatching multiple events in order with cairngorm Tim, That's the one part of Cairngorm (for me) that's the tricksiest... how one might handle (as someone else recently put it) the sexy features of Flex in Cg. Transitions, states, effects, animations that may need to be syncronized with something else. Of course, you don't want to put too much control in the Cg framework since that might restrict you in some other way (I definitely agree that Cg needs to be lightweight as Steven's articles point out.) The ChangeWatcher is, however, very cool in that it allows you to watch not only one bound state value, but chains of them... so if you needed to trigger an event only after, say, four other events completed you could have those four events set flags in the ModelLocator on effectEnd and have your ChangeWatcher bound to all four flags, only calling it's handler after all four were completed. I think that the ChangeWatcher is a great addition to B3, and actually offers the same benefits, with more functionality, than Paul's helper class. As far as Cg goes, maybe we just need a Cg example out there that uses ChangeWatcher (or something like it) that shows a chain of events triggering a final command... take some of the mystery out of it. Darren From: Tim Hoff [EMAIL PROTECTED] Reply-To: flexcoders@yahoogroups.com To: flexcoders@yahoogroups.com Subject: [flexcoders] Re: Dispatching multiple events in order with cairngorm Date: Thu, 01 Jun 2006 16:42:55 - I absolutely agree that a Command should never invoke anything view related, except for setting bound model values that update views automatically. For Jean-Luc's scenario, my thinking is that there may be several different views that require closure before the primary command is executed. To close any or all of the possible open views in a clean and synchronous manner, I would think that you could combine the SequenceCommand (is it ChainCommand now?) with the ChangeWatcher utility or a simple eventListener. The executeNextCommand function would be invoked only after the SequenceCommand receives notification of the effectEnd event. The question is, should you use the ChangeWatcher to listen for a model variable change, that would have to be updated by the view or a helper? Or, would an explicit eventListener for the views' effectEnd event be more suitable? This is a gray area in Cairngorm for me. It seems that there may be times when a complete round-trip of event communication, starting and ending at a view, may come in handy and/or be necessary. Well, maybe not necessary but certainly more convenient. For me, this fits in the same category as deciding whether to perform a simple view action with a ViewHelper/ViewLocator or with yet another Event/Control/Command/Model structure. I'm not sure if discussing theoretical framework implementation is germane to this list, but I'd be interested to hear further thoughts (best practices) concerning this topic. Thanks for your ideas Steven, Alex and Darren. Tim Hoff --- In flexcoders@yahoogroups.com, Jean-Luc ESSER [EMAIL PROTECTED] wrote: I do agree with you guys, that's the way to go ! Thanx ! BTW, loved Paul's little helper. This one is a sure hit ! -JL - Original Message - From: Darren Houle [EMAIL PROTECTED] To: flexcoders@yahoogroups.com Sent: Thursday, June 01, 2006 4:49 PM Subject: RE: [flexcoders] Re: Dispatching multiple events in order with cairngorm I agree with Alex. Say you have a View with a button... you mutate that button's click= event into a CairngormEvent. Your custom Cg Event triggers a Cg Command, which sets state in the ModelLocator. New to Beta 3 is a utility called ChangeWatcher that allows you to watch a bindable value and define a handler to run when the value changes. In the original View (or any other View) you could simply watch that state var and have ChangeWatcher call yourMoveEffect.play(). You could mutate the standard effectEnd= event into a new CairngormEvent that triggered the Cg Command that needs to run at the end of the effect. Darren From: Alex Uhlmann [EMAIL PROTECTED] Reply-To: flexcoders@yahoogroups.com To: flexcoders
RE: [flexcoders] f2b3 events, cairngorm: Why do these custom events only work once?
Hi Tom,
Your event object would need to implement the clone method.
In clone you would create a new instance of the event object.
To your Cairngorm question: I'd suggest you dispatch a
"view event" using standard Flex 2 event dispatching (no Cairngorm involved
here) and in your view that decides to call the CairngormCommand you
create the Cairngorm event and dispatch that. I know this seems a bit tedious at
first, but in my experience it's beneficial to keep Cairngorm events only for
Cairngorm and don't mix them up with other other views that dispatch events to
other views.
Best,
Alex
Alex UhlmannConsultant (Rich Internet
Applications)Adobe ConsultingWestpoint, 4 Redheughs Rigg,
South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969
m: +44 (0)7917 428 951[EMAIL PROTECTED]
http://weblogs.macromedia.com/auhlmann
From: flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Tom BraySent:
01 June 2006 21:58To: flexcoders@yahoogroups.comSubject:
[flexcoders] f2b3 events, cairngorm: Why do these custom events only work
once?
There's something I don't understand about the event lifecycle in
flex. In my model, I setup a dataprovider for a popup menu like
this: public var
onlineUsersOptionsMenu:ArrayCollection = new ArrayCollection([
{label:"Chat", event:new OpenIMWindowEvent() },
{label:"View profile",
event:new ViewProfileEvent() },
{label:"Add to contacts", event:new
AddContactEvent()}
]);The events you see above are Cairngorm events that bubble up and
cause various commands to be executed. I'm designing it this way so that
my view doesn't have to know anything about the menu items -- it just handles
the MenuEvent.CHANGE by dispatching the menu item's event like
this:private function handleMenuChange( e:MenuEvent
):void{ dispatchEvent( e.item.event );}I
figured I could get away with reusing a single instance of each of these events
because they just cause a command to be executed. That's not the case --
it works the first time, but the second time throws the following error:
TypeError: Error #1034: Type Coercion failed: cannot convert
flash.events::[EMAIL PROTECTED] to org.nevis.cairngorm.control.CairngormEvent.at
flash.events::EventDispatcher/dispatchEvent()What's happening
here? What am I missing about the lifecycle of events? Should I use
a factory that creates new events each time there's a menu selection? I was
orginally thinking of using the Command pattern directly by specifying commands
for each menu item (instead of events) so my view would do this instead:
private function handleMenuChange( e:MenuEvent
):void{ e.item.command.execute();}Do you think
that's a better approach?Thanks,Tom
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RE: [flexcoders] Re: Newbie : How do i listen to a value ? Cairngorm inside.
Jean-Luc, Doesn't the Binding tag solve your problem? The mx:Binding tag that's available in MXML components can help you listening to a property change in your business logic. You can execute a method of the view in the setter function that the Binding tag specifies as destination. http://livedocs.macromedia.com/labs/1/flex20beta3/wwhelp/wwhimpl/js/html/wwhelp.htm?href=""> Best, Alex Alex UhlmannConsultant (Rich Internet Applications)Adobe ConsultingWestpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969 m: +44 (0)7917 428 951[EMAIL PROTECTED] From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Jean-Luc ESSERSent: 24 May 2006 13:58To: flexcoders@yahoogroups.comSubject: Re: [flexcoders] Re: Newbie : How do i listen to a value ? Cairngorm inside. Thanx Tom but is "Dynamically repeating components"the answer to my issue? I agree that in my exemple, and probably most of the times, it could do the work, but does that mean there is no way to trigger a function by listenning to a change of value in a data ? Or am i still missing something ? Best, Jean-Luc. - Original Message - From: "Tom Chiverton" [EMAIL PROTECTED] To: flexcoders@yahoogroups.com Sent: Wednesday, May 24, 2006 12:27 PM Subject: Re: [flexcoders] Re: Newbie : How do i listen to a value ? Cairngorm inside. On Wednesday 24 May 2006 11:10, Jean-Luc ESSER wrote: But how do i trigger addLabel() each time data in modelLocator changes ? That is how do i bind the data to the trigerring of a Function. This is what i'm missing, it is probably obvious, but i don't see it ! Ahh, OK :-) http://livedocs.macromedia.com/labs/1/flex20beta3/wwhelp/wwhimpl/common/html/wwhelp.htm?href=""> ? -- Tom Chiverton This email is sent for and on behalf of Halliwells LLP. Halliwells LLP is a limited liability partnership registered in England and Wales under registered number OC307980 whose registered office address is at St James's Court Brown Street Manchester M2 2JF. A list of members is available for inspection at the registered office. Any reference to a partner in relation to Halliwells LLP means a member of Halliwells LLP. Regulated by the Law Society. CONFIDENTIALITY This email is intended only for the use of the addressee named above and may be confidential or legally privileged. If you are not the addressee you must not read it and must not use any information contained in nor copy it nor inform any person other than Halliwells LLP or the addressee of its existence or contents. If you have received this email in error please delete it and notify Halliwells LLP IT Department on 0870 365 8008. For more information about Halliwells LLP visit www.halliwells.com. We are pleased to announce that Halliwells LLP has been voted AIM Lawyer of the Year at the 2005 Growth Company Awards Yahoo! Groups Sponsor ~-- Protect your PC from spy ware with award winning anti spy technology. It's free. http://us.click.yahoo.com/97bhrC/LGxNAA/yQLSAA/nhFolB/TM ~- -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/ -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com SPONSORED LINKS Web site design development Computer software development Software design and development Macromedia flex Software development best practice YAHOO! GROUPS LINKS Visit your group "flexcoders" on the web. To unsubscribe from this group, send an email to:[EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
RE: [flexcoders] Re: Newbie : How do i listen to a value ? Cairngorm inside.
and here's the correct link: http://livedocs.macromedia.com/labs/1/flex20beta3/wwhelp/wwhimpl/common/html/wwhelp.htm?context=LiveDocs_Partsfile=1059.html#177314 Best, Alex Alex UhlmannConsultant (Rich Internet Applications)Adobe ConsultingWestpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969 m: +44 (0)7917 428 951[EMAIL PROTECTED] From: Alex Uhlmann Sent: 24 May 2006 18:41To: flexcoders@yahoogroups.comSubject: RE: [flexcoders] Re: Newbie : How do i listen to a value ? Cairngorm inside. Jean-Luc, Doesn't the Binding tag solve your problem? The mx:Binding tag that's available in MXML components can help you listening to a property change in your business logic. You can execute a method of the view in the setter function that the Binding tag specifies as destination. http://livedocs.macromedia.com/labs/1/flex20beta3/wwhelp/wwhimpl/js/html/wwhelp.htm?href=""> Best, Alex Alex UhlmannConsultant (Rich Internet Applications)Adobe ConsultingWestpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969 m: +44 (0)7917 428 951[EMAIL PROTECTED] From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Jean-Luc ESSERSent: 24 May 2006 13:58To: flexcoders@yahoogroups.comSubject: Re: [flexcoders] Re: Newbie : How do i listen to a value ? Cairngorm inside. Thanx Tom but is "Dynamically repeating components"the answer to my issue? I agree that in my exemple, and probably most of the times, it could do the work, but does that mean there is no way to trigger a function by listenning to a change of value in a data ? Or am i still missing something ? Best, Jean-Luc. - Original Message - From: "Tom Chiverton" [EMAIL PROTECTED] To: flexcoders@yahoogroups.com Sent: Wednesday, May 24, 2006 12:27 PM Subject: Re: [flexcoders] Re: Newbie : How do i listen to a value ? Cairngorm inside. On Wednesday 24 May 2006 11:10, Jean-Luc ESSER wrote: But how do i trigger addLabel() each time data in modelLocator changes ? That is how do i bind the data to the trigerring of a Function. This is what i'm missing, it is probably obvious, but i don't see it ! Ahh, OK :-) http://livedocs.macromedia.com/labs/1/flex20beta3/wwhelp/wwhimpl/common/html/wwhelp.htm?href=""> ? -- Tom Chiverton This email is sent for and on behalf of Halliwells LLP. Halliwells LLP is a limited liability partnership registered in England and Wales under registered number OC307980 whose registered office address is at St James's Court Brown Street Manchester M2 2JF. A list of members is available for inspection at the registered office. Any reference to a partner in relation to Halliwells LLP means a member of Halliwells LLP. Regulated by the Law Society. CONFIDENTIALITY This email is intended only for the use of the addressee named above and may be confidential or legally privileged. If you are not the addressee you must not read it and must not use any information contained in nor copy it nor inform any person other than Halliwells LLP or the addressee of its existence or contents. If you have received this email in error please delete it and notify Halliwells LLP IT Department on 0870 365 8008. For more information about Halliwells LLP visit www.halliwells.com. We are pleased to announce that Halliwells LLP has been voted AIM Lawyer of the Year at the 2005 Growth Company Awards Yahoo! Groups Sponsor ~-- Protect your PC from spy ware with award winning anti spy technology. It's free. http://us.click.yahoo.com/97bhrC/LGxNAA/yQLSAA/nhFolB/TM ~- -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/ -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com SPONSORED LINKS Web site design development Computer software development Software design and development
RE: [flexcoders] Re: Newbie : How do i listen to a value ? Cairngorm inside.
Hi Jean-Luc,
You can execute a method on the view by listening to changes in your business logic. Your view can listen via the mx:Binding tag or via a function binding.
Best,
Alex
Alex Uhlmann
Consultant (Rich Internet Applications)
Adobe Consulting
Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK
p: +44 (0) 131 338 6969
m: +44 (0) 7917 428 951
[EMAIL PROTECTED]
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Jean-Luc ESSER
Sent: 23 May 2006 17:02
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Re: Newbie : How do i listen to a value ? Cairngorm inside.
I'm not sure to understand this one !
Anyway Michael, aren't viewHelper and viewLocator not to be used anymore in
cg2 ?
I thought i heard Steven say that everything could now be done using bindings...
Guess that's another topic :)
-JL
- Original Message -
From: [EMAIL PROTECTED]
To: flexcoders@yahoogroups.com
Sent: Tuesday, May 23, 2006 5:45 PM
Subject: Re: [flexcoders] Re: Newbie : How do i listen to a value ?
Cairngorm inside.
I'm not sure if this is relevant or not, but the following is response from
Alistair regarding a previous question I had about the use of viewHelpers
-
In your complex value object case, here's what we'd recommend now.
In your command, put the complex object in your model (ModelLocator),
eg.
ModelLocator.getInstance().complextData = theResultFromTheServer;
Now, in your view, you bind to that model item, but call a utility class
to massage the results into the format you want. eg,
mx:Label text={ MyUtilityClass.formatDataToSomethingSimpler(
ModelLocator.getInstance().complexData ) } /
Now, you could possibly call MyUtilityClass a view helper, in the broad
sense of the pattern, but extracting it this way lets you, for example,
unit tests it's functionality and keeps the Model and View separate.
--
Jean-Luc ESSER To:
flexcoders@yahoogroups.com
[EMAIL PROTECTED] cc:
Sent by: Subject: Re: [flexcoders]
Re: Newbie : How do i listen to a value ? Cairngorm
flexcoders@yahoogroups.com inside.
05/23/2006 11:30 AM
Please respond to
flexcoders
That's exactly the question Tim, and it has been haunting me for quite a
while now :
1/ Ok, if the view function simply updates the view, fine, using bindings
should do it.
2/ But if it is more complex, i would agree on writing a new command. But
when dispatching an event from any component, it means that the destination
view (where command should execute) should be passed as a parameter. But
that won't scale, imagine you change the destination view name ?!?! So you
could bind the name of the view in the model locator so that if you change
it, you won't have to update each one of your dispatch events.
I don't know which way is the good way...
-JL
- Original Message -
From: Tim Hoff [EMAIL PROTECTED]
To: flexcoders@yahoogroups.com
Sent: Tuesday, May 23, 2006 4:45 PM
Subject: [flexcoders] Re: Newbie : How do i listen to a value ? Cairngorm
inside.
Jean-Luc,
You scenario questions make me wonder; when does a function in a
viewHelper or viewLocator (or MXML file) merit becoming a command?
In my opinion, I don't see any reason not to call one command from
another (dispatch or direct call). For instance getData calls
calculateTotals on result. Since commands are in the same
abstraction layer, this should be OK. However crossing layers by
calling a view function from a command should be avoided.
What does the view function actually do. If it updates the view,
then you can rework this to have your command update state variables
or VO's in the ModelLocator that are bound to the view. This will
automatically update the view. If the function does anything else,
perhaps the function should become a command. This was my thought
process when addressing similar issues. I would love to hear what
Steven and/or Ali have to say about this.
Regards,
Tim Hoff
--- In flexcoders@yahoogroups.com, Jean-Luc ESSER [EMAIL PROTECTED] wrote:
How do i listen to a value change in a var ?
Let's say i have a component CompA.
In this component is a function FunctionA which needs to be
triggered when an event is dispatched from a component CompB.
Using Cairngorm, i dispatch an event from CompB, running a Command.
For now, i trigger FunctionA from the Command (ie
Application.application.CompA.FunctionA(myObject) ).
But that is not how Cairngorm is supposed to work, right ?
The way i should do it, i guess, is by updating a var myVar to
myObject in my ModelLocator from my Command.
Then, via bindings, in CompA, listen to myVar, and when changing
to myObject, trigger FunctionA.
Am i right ?
But how would i do this ?
Help is welcome.
-Jean-Luc
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RE: [flexcoders] Caringorm - FrontController / addCommand adjustment?
Hi, Command is an interface not a class in Cairngorm ;). Are you just suggesting a naming change using an I prefix? If so, having not an I prefix can make your life a bit easier e.g. when you refactor the interface to a base class at a later stage. You wouldn't have a motivation to change all the code that's checking the type using the is operator. But I think in the end this topic is down to personal preference. Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Iuliu Burtoiu Sent: 18 May 2006 12:17 To: flexcoders@yahoogroups.com Subject: [flexcoders] Caringorm - FrontController / addCommand adjustment? In Cairngorm2b3 model, provided by Iteration:two, wouldn't be more apropriate to have the addCommand signiture of the FrontController class as follows? public function addCommand( commandName : String, commandRef : ICommand ) : void second parrameter is now of ICommand type, instead of the former Class type. IuliuB __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com SPONSORED LINKS Web site design development Computer software development Software design and development Macromedia flex Software development best practice YAHOO! GROUPS LINKS Visit your group "flexcoders" on the web. To unsubscribe from this group, send an email to:[EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
RE: [flexcoders] Caurngorm 2 - where to deal with system events?
Hi Andi, You can certainly call another Command in the onResult of your LoginCommand. But since a Command class in not on the display list, events wouldn't make it to Cairngorm's FrontController. You have to use mx.core.Application.application.dispatchEvent. Darron Schall has a nice explanation of it here: http://www.darronschall.com/weblog/archives/000224.cfm Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Andrea Varga Sent: 23 April 2006 11:15 To: flexcoders@yahoogroups.com Subject: [flexcoders] Caurngorm 2 - where to deal with system events? Hi All! I have to mention that I'm new to Cairngorm and Flex. What is best practice to deal with system events (or whatever the events that are not dispatched by a user gesture are called)? For example: after a successful user login I have to display a list of products (list loded from the server). So, I have a login form in a component: Login.mxml, where I have a dispatch for the LoginEvent = the LoginCommand takes care of it... (goes to server etc.), the onResult method in the LoginCommand is called. If the login was successful, I set the ModelLocator.applicationState to the new state, the view is binded to that, so now I have the correct view (with a datagrid for example), and now I need the list of the products. But for that, I need the list of the products = the ProductListGetCommand must be executed which means, that somebody has to dispatch an event for that, but there is no user gesture here. Where should I place the code for dispathing the event? Or, is my whole logic correct? My only idea here is to place it in LoginCommand.onResult? I have tried that: var tmpEvent:ProductListGetEvent = new ProductListGetEvent(); dispatchEvent( tmpEvent ); I got the error: Call to a possibly undefined method 'dispatchEvent' That's why I think this might not be the right place. I'm using Cairngorm 2.0 Flex 2.0 and AMFPHP , but I think this is not reallt relevant here. Thanks Andi -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com YAHOO! GROUPS LINKS Visit your group "flexcoders" on the web. To unsubscribe from this group, send an email to:[EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
RE: [flexcoders] Cairngorm Phone Selector in F2B2
Hi Rick
Do you think the error is happening on
view:PhoneDetails id=phoneDetails
phone={phoneList.selectedItem}
width=100% /
?
Try uncommenting this to verify. How is phone typed in PhoneDetails? If
typed as PhoneVO, you'd need to cast selectedItem, which is typed as
Object to PhoneVO like:
view:PhoneDetails id=phoneDetails
phone={PhoneVO( phoneList.selectedItem )}
width=100% /
Best,
Alex
Alex Uhlmann
Consultant (Rich Internet Applications)
Adobe Consulting
Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK
p: +44 (0) 131 338 6969
m: +44 (0) 7917 428 951
[EMAIL PROTECTED]
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Rick Schmitty
Sent: 15 April 2006 00:52
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Cairngorm Phone Selector in F2B2
Hello I'm trying to get the phone selector running on cairngorm 2 and am
having some problems
After chaning references to http://www.adobe.com/2006/mxml and changing
ApplicationView.mxml setPropety from mx:SetProperty property=enabled
value=false / to mx:SetProperty name=enabled
value=false / I also changed PhoneVO.as to implement ValueObject
I now get:
Implicit coercion of a value with static type 'Object' to a possibly
unrelated type 'com.mycompany.phones.model:PhoneVO'
Here is the ApplicationView.mxml
?xml version=1.0 encoding=utf-8?
mx:Panel xmlns:mx=http://www.adobe.com/2006/mxml;
xmlns:view=com.mycompany.phones.view.*
currentState={model.applicationState}
height=400
layout=horizontal
title=Nokia Phone Selector
width=700
mx:Script
![CDATA[
import
com.mycompany.phones.model.ApplicationModel;
import com.mycompany.phones.model.PhoneVO;
import
com.mycompany.phones.controller.PhoneGetEvent;
import flash.events.Event;
public static var STATE_DEFAULT:String = ;
public static var STATE_LOADING:String =
loading;
[Bindable]
public var model:ApplicationModel =
ApplicationModel.getInstance();
]]
/mx:Script
mx:List id=phoneList
dataProvider={model.phones}
height=100%
labelField=name
width=150 /
view:PhoneDetails id=phoneDetails
phone={phoneList.selectedItem}
width=100% /
mx:states
mx:State name={STATE_LOADING}
mx:SetProperty name=enabled value=false /
/mx:State
/mx:states
/mx:Panel
And here is the PhoneVO:
package com.mycompany.phones.model {
import org.nevis.cairngorm.vo.ValueObject;
[Bindable]
[RemoteClass(alias=com.mycompany.phones.model.PhoneVO)]
public class PhoneVO implements ValueObject {
public var name:String;
public var description:String;
public var price:Number;
public var image:String;
public var series:String;
public var triband:Boolean;
public var camera:Boolean;
public var video:Boolean;
public var highlight1:String;
public var highlight2:String;
public function PhoneVO() {
name = ;
description = ;
price = 0;
image = ;
series = ;
triband = false;
camera = false;
video = false;
highlight1 = ;
highlight2 = ;
}
}
}
And here is PhoneVO.cfc
cfcomponent
cfproperty name=name type=string default= cfproperty
name=description type=string default= cfproperty name=price
type=numeric default=0 cfproperty name=image type=string
default= cfproperty name=series type=string default=
cfproperty name=triband type=boolean default=false cfproperty
name=camera type=boolean default=false cfproperty name=video
type=boolean default=false cfproperty name=highlight1
type=string default= cfproperty name=highlight2 type=string
default=
cffunction name=init output=false
returntype=com.mycompany.phones.model.PhoneVO
cfscript
this.name = ;
this.description = ;
this.price = 0;
this.image = ;
this.series = ;
this.triband = false;
this.camera = false;
this.video = false
RE: [flexcoders] Cairngorm issue
Hi Larry, You can read about the ModelLocator here: http://www.macromedia.com/devnet/flex/articles/cairngorm_pt2_06.html Part 3 talks about it as well. There are 6 parts in total, currently available here: http://www.macromedia.com/devnet/flex/ Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Larry Liang Sent: 03 April 2006 07:24 To: flexcoders@yahoogroups.com Subject: [flexcoders] Cairngorm issue Hi, I'm trying to use cairngorm 2.0 design pattern to build a ria. Can someone explain a little bit about ModelLocator. It is a new component introduced in Cairgnorm 2. I was just wondering what it does and how should I use it. Thanks, Larry -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
RE: [flexcoders] [Flex 1.5] Tweening _xscale and _yscale
You could use Flex's mx.effects.Tween for this. But you might want to simulate modification of registration points, since Flex components have a registration point on 0,0 (top left). When you scale, only the right and bottom sides will scale. In case you don't want that, check out AnimationPackage http://www.alex-uhlmann.de/animationpackage/ Scale (setRegistrationPoint) or/and Animator class. There is a SWC supplied. Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Claudia Barnal Sent: 03 April 2006 18:34 To: flexcoders@yahoogroups.com Subject: [flexcoders] [Flex 1.5] Tweening _xscale and _yscale Could anyone shed some light on how to make a tween transition of _xscale and _yscale of a component in Flex 1.5. I don't want to use the Zoom class, as it doesn't really do what I want. Thanks, Claudia -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
RE: [flexcoders] Cairngorm 2 and mx:States
You can do this the same way as you would have done using a ViewStack approach. As Scott said, you can store the state representations and a workflow property in your model. The only differences are in your view. Instead of binding a method to the ViewStack's selectedChild instance, you could bind a method to the view's currentState property, which calls a method that returns the state string instead of a Container or UIComponent instace as done using a ViewStack. The state strings could be defined in your view's mx:states objects as Scott said. Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of sof4real03 Sent: 02 April 2006 02:42 To: flexcoders@yahoogroups.com Subject: [flexcoders] Cairngorm 2 and mx:States As I'm implementing the usage of the Cairngorm 2 microarchitecture on a project, I came across a question regarding the new Flex 2 States concept and how to best implement it with Cairngorm. My feeling is the States should be defined in the ModelLocator. That would imply the Model knowing more than it should about the views. I wonder if anyone has come across this matter and would be able to provide any insight. Thanks, Sof -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
RE: [flexcoders] Flexbuilder 2.0 missing mx:link ?
Thanks Paolo, I'll make sure this gets to the right people. BTW. you could report this bug here as well. www.macromedia.com/support/email/wishform/ Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Paolo Bernardini Sent: 26 March 2006 16:35 To: flexcoders@yahoogroups.com Subject: Re: [flexcoders] Flexbuilder 2.0 missing mx:link ? Hi Alex, I can tell you that FlexBuilder is showing the code hint for the click event, but it doesn't show selectedChild for the ViewStack. Sorry to post it here but I didn't know where to report this bug. 2006/3/26, Alex Uhlmann [EMAIL PROTECTED]: Hi jim, The name Link changed to LinkButton in beta 2, the tutorials might not reflect this change just yet. LinkButton should have a click property. Let me know if it doesn't work. It might be just FlexBuilder not showing you the code hint. Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] -Original Message- From: flexcoders@yahoogroups.com mailto:flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of anonymoth Sent: 26 March 2006 03:51 To: flexcoders@yahoogroups.com mailto:flexcoders@yahoogroups.com Subject: [flexcoders] Flexbuilder 2.0 missing mx:link ? Hello..I'm completely new at the whole Flex game, so please be gentle :-) I'm running through the 2.0 tutorial and it asks for a Link component. Well there's only a LinkButton, and it doesn't have the 'click' property. Am I missing something (or is Flexbuilder)? I tried coding mx:Link but it went unrecognized. thanks, jim -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links http://docs.yahoo.com/info/terms/ -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com SPONSORED LINKS Web site design development http://groups.yahoo.com/gads?t=msk=Web+site+design+developmentw1=Web+ site+design+developmentw2=Computer+software+developmentw3=Software+des ign+and+developmentw4=Macromedia+flexw5=Software+development+best+prac ticec=5s=166.sig=L-4QTvxB_quFDtMyhrQaHQ Computer software development http://groups.yahoo.com/gads?t=msk=Computer+software+developmentw1=We b+site+design+developmentw2=Computer+software+developmentw3=Software+d esign+and+developmentw4=Macromedia+flexw5=Software+development+best+pr acticec=5s=166.sig=lvQjSRfQDfWudJSe1lLjHw Software design and development http://groups.yahoo.com/gads?t=msk=Software+design+and+developmentw1= Web+site+design+developmentw2=Computer+software+developmentw3=Software +design+and+developmentw4=Macromedia+flexw5=Software+development+best+ practicec=5s=166.sig=1pMBCdo3DsJbuU9AEmO1oQ Macromedia flex http://groups.yahoo.com/gads?t=msk=Macromedia+flexw1=Web+site+design+ developmentw2=Computer+software+developmentw3=Software+design+and+deve lopmentw4=Macromedia+flexw5=Software+development+best+practicec=5s=1 66.sig=OO6nPIrz7_EpZI36cYzBjw Software development best practice http://groups.yahoo.com/gads?t=msk=Software+development+best+practice; w1=Web+site+design+developmentw2=Computer+software+developmentw3=Softw are+design+and+developmentw4=Macromedia+flexw5=Software+development+be st+practicec=5s=166.sig=f89quyyulIDsnABLD6IXIw YAHOO! GROUPS LINKS *Visit your group flexcoders http://groups.yahoo.com/group/flexcoders on the web. *To unsubscribe from this group, send an email to: [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] *Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service http://docs.yahoo.com/info/terms
RE: [flexcoders] Flex 1.5 to 2.0 migration problem
Hi,
Your top-level Application stored in Application.application is not
dynamic. You can't add or access custom objects in there. You could have
done this in Flex 1.5, though. Just change the location of your custom
modGen property to an instance property of a custom class in your
application. Using Cairngorm, you could use the ModelLocator for this.
Note, that you cannot bind to class properies, only to instance
properies.
Best,
Alex
Alex Uhlmann
Consultant (Rich Internet Applications)
Adobe Consulting
Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK
p: +44 (0) 131 338 6969
m: +44 (0) 7917 428 951
[EMAIL PROTECTED]
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of oiland_barry
Sent: 26 March 2006 10:05
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Flex 1.5 to 2.0 migration problem
I have performed a 1.5 to 2.0 migration and i have almost got things
working after alot of headaches (im really wondering if its worth my
while to migrate!).
I have got rid of all my errors, but when i run the application i get
the following error:
ReferenceError: Error #1069: Property application not found on
complantAdd and there is no default value
at _complantAddWatcherSetupUtil/setup()
at complantAdd/complantAdd::_complantAdd_bindingsSetup()
at complantAdd/initialize()
I have a main mxml application file in which i use an instance of a
local mxml component:
local:complantAdd xmlns:local=* id=plantAdd /
In this component, i have a combobox which i bind the contents of a data
model to (the model 'modGen' is defined in the main mxml
application):
mx:ComboBox id=cmbGenus labelField=genericName
dataProvider={mx.core.Application.application.modGen}/
I guess the error is because of the binding above, but im totally lost
and it starting to make me think that i should just stick with Flex 1.5!
Maybe this is not enough information for someone to comment on, if more
is needed (like a code listing) then please let me know.
Please help anybody, quickly would be good... cos i cant spend much more
time on getting nothing done, im getting paid by the hour and not able
to produce anything!
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RE: [flexcoders] [Flex 2 beta 2 - Cairngorm 2 - AMFPHP]
Hi William, usually, you would define the AMFPHP interface in Services.mxml, retrieve it via ServiceLocator from your Delegate. But ServiceLocator can only return you either mx.rpc.AbstractService or mx.rpc.http.HTTPService (for Flex2 's out of the box RPC services). However you could create the AMFPHP specific details in your Delegate. But better would be to add a method to Cairngorm's ServiceLocator that either returns a generic object oran objectcompatible to AMFPHP (RemotingConnection or NetConnection).Let me know how you get on. Best, Alex Alex UhlmannConsultant (Rich Internet Applications)Adobe ConsultingWestpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969 m: +44 (0)7917 428 951[EMAIL PROTECTED] From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of William LambéSent: 25 March 2006 22:10To: flexcoders@yahoogroups.comSubject: [flexcoders] [Flex 2 beta 2 - Cairngorm 2 - AMFPHP] Hello guys, Did someone try to use Cairngom (architectural framework for flex) with AMFPHP? I ask because I dont see clearly (in the sample Cairngorm Login) how to change LoginDelegate and Services.mxml to use it with AMFPHP (for exemple where to introduce the RemotingConnection of Tweenpix (http://www.tweenpix.net/blog/index.php?2006/01/03/543-hello-world-en-amfphp-avec-flex20 )) If you tried one time, coud you explain us please. Thank you, William. -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com SPONSORED LINKS Web site design development Computer software development Software design and development Macromedia flex Software development best practice YAHOO! GROUPS LINKS Visit your group "flexcoders" on the web. To unsubscribe from this group, send an email to:[EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
RE: [flexcoders] Flexbuilder 2.0 missing mx:link ?
Hi jim, The name Link changed to LinkButton in beta 2, the tutorials might not reflect this change just yet. LinkButton should have a click property. Let me know if it doesn't work. It might be just FlexBuilder not showing you the code hint. Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of anonymoth Sent: 26 March 2006 03:51 To: flexcoders@yahoogroups.com Subject: [flexcoders] Flexbuilder 2.0 missing mx:link ? Hello..I'm completely new at the whole Flex game, so please be gentle :-) I'm running through the 2.0 tutorial and it asks for a Link component. Well there's only a LinkButton, and it doesn't have the 'click' property. Am I missing something (or is Flexbuilder)? I tried coding mx:Link but it went unrecognized. thanks, jim -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
RE: [flexcoders] Cairgnorm beta release?
Hi
Oriol,
There is still a selectedChild property on ViewStack. The only thingyou need to do is type stronger. UIComponent is
the base class of Container but Containter goes into
aViewStack.Beta 2 is stricter
here.
In addition to that, I
wouldn't recommend yourworkaround using the Number inthe workflow statevariable. As soon asyou'll add another workflow type variable to
ModelLocator,you would need new state variable values, which could not map
to ViewStack::selectedIndex anymore.
Best,
Alex
Alex UhlmannConsultant (Rich Internet
Applications)Adobe ConsultingWestpoint, 4 Redheughs Rigg,
South Gyle, Edinburgh, EH12 9DQ, UKp: 44 (0) 131 338 6969
m: 44 (0)7917 428 951[EMAIL PROTECTED]
From: flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Oriol
GualSent: 21 March 2006 20:16To:
flexcoders@yahoogroups.comSubject: Re: [flexcoders] Cairgnorm beta
release?
Just one more point, I've tried the Cairngorm login example, and
after changing the namespaces to http://www.adobe.com/2006/mxml, I can
compile but I get this error:Implicit coercion of a value with static
type ' mx.core:UIComponent' to a possibly unrelated type 'mx.core:Container' in
line 68, which is:mx:ViewStack id="appView" selectedChild="{
getView( model.workflowState ) }"If look at it, and viewstack has no
selectedChild propertie, so if I change it to: selectedIndex="{
model.workflowState }" it works. My question is, how should it be if I want to
return a view instead of an int?Thanks,Oriol.
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RE: [flexcoders] Re: Flex2 beta -- localToGlobal(), globalToLocal() bug
Yes, there is: http://livedocs.macromedia.com/labs/1/flex/langref/migration.html Migrating Applications to Flex 2: http://labs.macromedia.com/wiki/index.php/Flex:Release_Notes#Beta_1_docu mentation Best, Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of sufibaba Sent: 08 March 2006 17:33 To: flexcoders@yahoogroups.com Subject: [flexcoders] Re: Flex2 beta -- localToGlobal(), globalToLocal() bug Hi Alex, I wasn't aware of the change. BTW, is there a published list of changes of this sort that you know of. Cheers, Tim --- In flexcoders@yahoogroups.com, Alex Uhlmann [EMAIL PROTECTED] wrote: How are you using it? Make sure you are using the return value. i.e. target.localToGlobal(p); trace(p.x); would previously have changed p. Now you have to do: P = target.localToGlobal(p); trace(p.x); Alex Alex Uhlmann Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of sufibaba Sent: 07 March 2006 19:35 To: flexcoders@yahoogroups.com Subject: [flexcoders] Flex2 beta -- localToGlobal(), globalToLocal() bug Hi Flexors, I am using these two functions and they don't seem to working. Has anyone looked into this. Is this a bug and if it is, is there a work around. Cheers, Tim -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
RE: [flexcoders] sortCompareFunction
Hi Deepak, http://weblogs.macromedia.com/mesh/archives/2005/04/sorting_date_fi.cfm http://weblogs.macromedia.com/pent/archives/2004/12/sorting_by_date.cfm Best, Alex Alex Uhlmann Technical Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of deepu_verma Sent: 15 February 2006 12:44 To: flexcoders@yahoogroups.com Subject: [flexcoders] sortCompareFunction How does sortcompare function workd for a data grid. I want to sort a date column for a datagrid in Flex 1.5 Thanks, Deepak -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
RE: [flexcoders] Datagrid text colors (v1.5)
Hi Tom, You could create a cellRenderer of a DataGridColumn, place i.e. a Label component in there and set it's style i.e. via: yourLabelID.setStyle(color, 0xff); Best, Alex Alex Uhlmann Technical Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Tom Fitzpatrick Sent: 15 February 2006 12:01 To: flexcoders@yahoogroups.com Subject: [flexcoders] Datagrid text colors (v1.5) In a datagrid, I want to display the text in a cell using two different colors - in the style of syntax formatting. Is there any way to do this in version 1.5 (or 2)? - Tom -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
RE: [flexcoders] restrict text size in datagrid cell??
Title: restrict text size in datagrid cell?? http://www.richinternet.de/blog/index.cfm?mode=search Best, Alex Alex UhlmannTechnical Consultant (Rich Internet Applications)Adobe ConsultingWestpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969 m: +44 (0)7917 428 951[EMAIL PROTECTED] From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Parekh, Shweta - BLS CTRSent: 15 February 2006 16:33To: flexcoders@yahoogroups.comSubject: [flexcoders] restrict text size in datagrid cell?? Hi, How can I specify the maxChars on cells in a datagrid if I want to restrict the size of text entered in a cell to a certain limit. For text input etc. Flex has maxChars which takes care of it. How do I do it in a datagrid? Thanks, Shweta -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com SPONSORED LINKS Web site design development Computer software development Software design and development Macromedia flex Software development best practice YAHOO! GROUPS LINKS Visit your group "flexcoders" on the web. To unsubscribe from this group, send an email to:[EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
RE: [flexcoders] restrict text size in datagrid cell??
Title: restrict text size in datagrid cell?? Duh, that's what I meant. Thanks Dirk. ( ; Best, Alex Alex UhlmannTechnical Consultant (Rich Internet Applications)Adobe ConsultingWestpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969 m: +44 (0)7917 428 951[EMAIL PROTECTED] From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Dirk EismannSent: 15 February 2006 16:48To: flexcoders@yahoogroups.comSubject: RE: [flexcoders] restrict text size in datagrid cell?? Try this one instead :) http://www.richinternet.de/blog/index.cfm?entry=1A9BC4E5-E330-9F94-F90F54F91CB45C16 Dirk. From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Alex UhlmannSent: Wednesday, February 15, 2006 5:46 PMTo: flexcoders@yahoogroups.comSubject: RE: [flexcoders] restrict text size in datagrid cell?? http://www.richinternet.de/blog/index.cfm?mode=search Best, Alex Alex UhlmannTechnical Consultant (Rich Internet Applications)Adobe ConsultingWestpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969 m: +44 (0)7917 428 951[EMAIL PROTECTED] From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Parekh, Shweta - BLS CTRSent: 15 February 2006 16:33To: flexcoders@yahoogroups.comSubject: [flexcoders] restrict text size in datagrid cell?? Hi, How can I specify the maxChars on cells in a datagrid if I want to restrict the size of text entered in a cell to a certain limit. For text input etc. Flex has maxChars which takes care of it. How do I do it in a datagrid? Thanks, Shweta -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com SPONSORED LINKS Web site design development Computer software development Software design and development Macromedia flex Software development best practice YAHOO! GROUPS LINKS Visit your group "flexcoders" on the web. To unsubscribe from this group, send an email to:[EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
RE: [flexcoders] Dispatching events from cairngorm viewhelper
Hi Alberto,
When dispatching events you have to be sure that the object you call
dispatchEvent from is a display object (all display objects extend
flash.events.EventDispatcher) and is on the display list. i.e. as Dirk
mentioned you can call the dispatchEvent method in your MXML file because it is
on the display list and extends EventDispatcher. If you want to trigger a
Cairngorm Command with your call you could access the most parent display
object your application in mx.core.Application.application. So,
Application.application.dispatchEvent(event);. From your View Helper, I would
just access the view of your MXML file to dispatch an event. Flex then uses
event bubbling and triggers the registered Command.
Best,
Alex
Alex Uhlmann
Technical Consultant (Rich Internet Applications)
Adobe Consulting
Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK
p: +44 (0) 131 338 6969
m: +44 (0) 7917 428 951
[EMAIL PROTECTED]
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Alberto
Albericio Salvador
Sent: 14 February 2006 13:16
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Dispatching events from cairngorm viewhelper
Joao,
Im using cairngorm 2a2 and my event extends CairngormEvent but the problem is
not with the event but with dispatchEvent method:
Im meaning, in this function, LocalidadesEvent extends CairngormEvent
public function getPoblaciones(cp:String):void {
var event : LocalidadesEvent = new LocalidadesEvent(cp);
dispatchEvent(event);
}
But I get the error:
Call to a possibly undefined method 'dispatchEvent'
Im using the same code in the main view and in the helper and it should work,
but it doesnt.
Alberto Albericio Salvador
Aura S.A. Seguros
Departamento Informática
João Fernandes escribió:
OK if you are using cairngorm 2alpha2 you should be able to use it
like this
In your viewhelper you should import the new cairngormEvent import
org.nevis.cairngorm.control.CairngormEvent
And your event should extend cairngormEvent
It should work,
João Fernandes
Sistemas de Informação
Programador Informático
Cofina media
Avenida João Crisóstomo, Nº 72 . 1069-043 Lisboa PORTUGAL Tel (+351)
213 185 200 . Fax (+351) 213 540 370 [EMAIL PROTECTED]
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
On Behalf Of Alberto Albericio Salvador
Sent: terça-feira, 14 de Fevereiro de 2006 12:46
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Dispatching events from cairngorm viewhelper
Hi Joao,
Im working with Flex2b1 and I dont import anything, neither in the
main view nor in my custom viewhelper.
Anyway, importing that continues throwing the error:
Call to a possibly undefined method 'dispatchEvent'
Alberto Albericio Salvador
Aura S.A. Seguros
Departamento Informática
João Fernandes escribió:
Alberto,
Did you import mx.events.EventDispatcher?
João Fernandes
Sistemas de Informação
Programador Informático
Cofina media
Avenida João Crisóstomo, Nº 72 . 1069-043 Lisboa PORTUGAL Tel (+351)
213 185 200 . Fax (+351) 213 540 370 [EMAIL PROTECTED]
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
On Behalf Of Alberto Albericio Salvador
Sent: terça-feira, 14 de Fevereiro de 2006 12:19
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Dispatching events from cairngorm viewhelper
Hi all,
When trying to dispatch an event from a custom class that extends
cairngorm ViewHelper, I get this error:
Call to a possibly undefined method 'dispatchEvent'
Firing the event from a function of the main view, same code, it works fine.
My function is something like, same in the view and in my custom viewhelper.
public function getPoblaciones(cp:String):void {
var event : LocalidadesEvent = new LocalidadesEvent(cp);
dispatchEvent(event); }
Has anybody run into this issue?
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RE: [flexcoders] Cairngorm2 and views
Hi Dominick,
you are right, we could have used view states. But we
decided to use a ViewStack because our intend was that the login component
switches to a very different "application" component after logging in. Basically
when usingview statesin hereyou wouldhave to remove and
then add completly different components.For us this was the exact
definition of a ViewStack. I would think of using states in view components that
change it's state based on a base state.
However, this is how it would look like using states. The
conceptof changing a state in your model, and other views bind to that
state property stays the same.
mx:Application xmlns:mx="http://www.macromedia.com/2005/mxml"xmlns:business="org.nevis.cairngorm.samples.login.business.*"
xmlns:control="org.nevis.cairngorm.samples.login.control.*"
xmlns:view="org.nevis.cairngorm.samples.login.view.*"pageTitle="Cairngorm
Login Sample Application"marginTop="5" marginBottom="5"
marginLeft="5" marginRight="5"
horizontalAlign="center"currentState="{ getState(
model.workflowState ) }"
mx:statesmx:State
name="loggedIn"mx:AddChild
position="lastChild"mx:Label text="{'Logged
in ' + model.loginDate}"
id="label1"//mx:AddChildmx:AddChild
position="lastChild"mx:Button
label="Back"mx:clickmodel.workflowState
=
ModelLocator.VIEWING_LOGIN_SCREEN;/mx:click/mx:Button/mx:AddChildmx:RemoveChild
child="{login}"//mx:State/mx:statesmx:Script![CDATA[import
mx.core.UIComponent;import
org.nevis.cairngorm.samples.login.model.ModelLocator;//-
public function getState( newState : Number ) :
String{if( newState ==
ModelLocator.VIEWING_LOGGED_IN_SCREEN
){return
"loggedIn";}else{return
"";}}
[Bindable]public var model :
ModelLocator =
ModelLocator.getInstance();]]/mx:Script
!--
==
--!-- the ServiceLocator where we specify the remote
services --business:Services id="loginServices"
/!-- the FrontController, containing Commands
specific to this appliation --control:DemoControl
id="controller" /!--
==
--
view:Login
id="login" /
/mx:Application
Best,
Alex
Alex UhlmannTechnical Consultant (Rich
Internet Applications)Adobe ConsultingWestpoint, 4 Redheughs
Rigg, South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338
6969
m: +44 (0)7917 428 951[EMAIL PROTECTED]
From: flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Dominick
AccattatoSent: 08 February 2006 14:08To:
flexcoders@yahoogroups.comSubject: [flexcoders] Cairngorm2 and
views
Steven and crew:
Thanks for getting us an alpha build to work with. Flex 2 is my first
opportunity to really start working with the flex framework. As a side
note, I had worked with aspatterns for a number of projects so I'm familiar with
the micro-architecture. My question is simple. The login example
uses viewstacks to change views. This works fine. However, to take
advantage of view states and transistions, shouldn't we just change states now
instead of using viewstacks? Thanks very much for all the hard work.
I look forward to the answer.
Dominick Accattato, CTO
www.newviewnetworks.com
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RE: [flexcoders] Cairngorm 2 event question.
Hi Tim, It depends what the relationship of your two MXML files are to your application. In general, when building reusable view and business components, I would not suggest using Cairngorm in them. Think about Cairngorm as the glue of your application components. It does not relieve you on building such components and should not interfere with them. -If your two MXML files belong to one reusable view component, I'd suggest using Flex's EventDispatcher (no CairngormEvent and no Cairngorm knowledge at all). -If your two MXML components are actually changing a state of your application, I would usually suggest to first dispatch a view related event (using Flex's EventDispatcher and no Cairngorm) to the outer, application domain specific view component, fit it into an application related CairngormEvent (using Flex's EventDispatcher with a CairngormEvent event object) that dispatches to a Cairngorm Command. The Command represents a reusable request to your client and/or serverside business logic. In here, you can manipulate your business logic that can be found on ModelLocator. The application domain specific view components bind to that state via ModelLocator. Other smaller view components inside them bind to the outer view component's properties. Hope that helps, Alex Alex Uhlmann Technical Consultant (Rich Internet Applications) Adobe Consulting Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UK p: +44 (0) 131 338 6969 m: +44 (0) 7917 428 951 [EMAIL PROTECTED] -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of sufibaba Sent: 07 February 2006 22:21 To: flexcoders@yahoogroups.com Subject: [flexcoders] Cairngorm 2 event question. Hi all, Situation: form1.mxml ( contains a combobox) form2.mxml ( contains a listbox) When the form1 combobox is selected, form2 listbox should change based on form1 combobox selection. With the new Cairngorm2, what would be a best practice approach to handle the above situation. Cheers, Tim -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
RE: [flexcoders] Re: Help installing Cairngorm 0.99
Hi Claudia, No offense here, but maybe it's best if you start looking at Flex itself first before diving into an architectual framework, such as Cairngorm. Get some Flex examples running, that connect to the serverside.When you've build some applications, you can also much more easily understand why we use those pattterns because you might imagine the problems that can come up. With problems such as user_classes you can find those in the Flex documentations, such as livedocs.macromedia.com. The user_classes folder is often used for Flex components packaged as SWC files, such as cairngorm.swc. Just drop this file into user_classes, and you have the framework code in your project availaible. Anyway, I'll check the docs for things we can make better. Best,Alex Alex UhlmannTechnical Consultant (Rich Internet Applications)Adobe ConsultingWestpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969 m: +44 (0)7917 428 951[EMAIL PROTECTED] -Original Message-From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of Claudia BarnalSent: 06 February 2006 03:25To: flexcoders@yahoogroups.comSubject: Re: [flexcoders] Re: Help installing Cairngorm 0.99Hi Andrew,Thanks for the reply.Basically, I couldn't understand much of anything I read (imagine Charlie Brown listening to his teacher).I am not a person who has dealt with any servers (JRun, Flex, etc.) for which I believe that the explanation is far to simple, expecting that the user knows what is being said.I would love an explanation where you tell the user what to do with each specific file (included in the zip) with some more detail.1. Grab x and put it in y.2. Replace i with j.3. Don't do anything with k, as it is only for documentaion.n. ...DoneFor example, I am not sure if I should copy over the "cairngorm.swc"or the "org.nevis.cairngorm.*" package to the "user_classes" folder in Flex.I am by no means saying that the description doesn't cover every necessary step, but it is very hard to follow if you really don't have a clue of what is being said, and all you want to do is start using Cairngorm to develop your Flex apps.Thanks again for the reply,ClaudiaOn 2/5/06, Andrew Spaulding [EMAIL PROTECTED] wrote: Hi Claudia, The installation instructions were quite specific. Can you please provide some further information as to what exactly isn't working? This will help me (us) better provide a solution to your problem. Thanks, Andrew Spaulding Adobe Systems --- In flexcoders@yahoogroups.com, Claudia Barnal [EMAIL PROTECTED] wrote: Hi, Would it be possible if you guys could give me a hand installing Cairngorm (I'm using Flex 1.5). I tried following the the installation guide (InstallationGuide.pdf), but all I achieved was to get even more lost, as it doesn't really give you any simple and descriptive instructions. I have installed Flex with the integrated JRun Server and everything is in the default installation folder. Thanks a lot for any guidance. Claudia--Flexcoders Mailing ListFAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txtSearch Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.comYahoo! Groups Links* To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/* To unsubscribe from this group, send an email to: [EMAIL PROTECTED]* Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/ -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com SPONSORED LINKS Web site design development Computer software development Software design and development Macromedia flex Software development best practice YAHOO! GROUPS LINKS Visit your group "flexcoders" on the web. To unsubscribe from this group, send an email to:[EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
RE: [flexcoders] Closable Panel? (flex2)
You could use a Canvas tag to lay all kinds of things on top of a Panel. ie. mx:Canvas mx:Panel / /mx:Panel yourComps:CustomPanelHeader x="10" y="10" / /mx:Canvas Best, Alex Alex UhlmannTechnical Consultant (Rich Internet Applications)Adobe ConsultingWestpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338 6969 m: +44 (0)7917 428 951[EMAIL PROTECTED] From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of gunnar a reinsethSent: 03 February 2006 12:30To: flexcoders@yahoogroups.comSubject: [flexcoders] Closable Panel? (flex2) I know that mx.controls.Panel contains a 'closeButton' which is utilised in the subclass TitleWindow. I really would like to have this close button on panels as well, so i guess i have to subclass Panel to achieve this. However, I have no clue of how to make this button visible and position it in the title area. Could anybody please help with this? --gunnar -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com YAHOO! GROUPS LINKS Visit your group "flexcoders" on the web. To unsubscribe from this group, send an email to:[EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
RE: [flexcoders] effects and rotation
Am I assuming correctly that you want to rotate two things here
in parallel? One thing is the complete label ("DONT WANT") and the other thing
is each letter (e.g. "D", "O"...)?If so, yes that is possible, you just
have to create a fair bit manually since the Label component does not allow you
you to animate each character by itself. You have to create a new component (I'd
suggest a MovieClip or UIComponent that contains a text field) for each
character, place all those character components inside another component and
then animate each character component and your new customized Label component
than contains all character components in parallel. You might want to checkout
AnimationPackage for animating multiple targets the same way, since it creates
some optimisations for this. www.alex-uhlmann.de/flash/animationpackage
Rotation.Best,Alex
Alex UhlmannTechnical Consultant (Rich
Internet Applications)Adobe ConsultingWestpoint, 4 Redheughs
Rigg, South Gyle, Edinburgh, EH12 9DQ, UKp: +44 (0) 131 338
6969
m: +44 (0)7917 428 951[EMAIL PROTECTED]
-Original Message-From:
flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com]
On Behalf Of sdhfhdgsSent: 02 February 2006 13:40To:
flexcoders@yahoogroups.comSubject: [flexcoders] effects and
rotationis it possible to rotate a label, say 90 degrees using a effect
or some other means in flex. if so, how?I dont just want the text to go down
like thisDONTWANTI want the text
to be rotated as well.thanks--Flexcoders
Mailing ListFAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txtSearch
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RE: [flexcoders] Re: Tween classes
and by the way in the newest 1.07 beta release, there's a SWC component
you can just drop into user_classes.
Best,
Alex
--
Alex Uhlmann
Software Consultant
iteration::two
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
Behalf Of Philippe Maegerman
Sent: 27 September 2005 08:34
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Re: Tween classes
It's not included in Flex
http://www.alex-uhlmann.de/flash/animationpackage/
Philippe Maegerman
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Marcin Glowacki
Sent: lundi 26 septembre 2005 19:30
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: Tween classes
Where is that package and class?
I was looking in Flex docs and i could not find
Thanks
--- In flexcoders@yahoogroups.com, Philippe Maegerman [EMAIL PROTECTED]
wrote:
Sorry, I was looking at the wrong class, I found the onUpdate event
;
AnimationPackage rocks !!
Philippe Maegerman
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
On
Behalf Of Philippe Maegerman
Sent: lundi 26 septembre 2005 11:57
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Tween classes
Thank you Alex, I was looking first for a standard (built-in) way.
I looked into the Animation Class, I can see onStart and onEnd events
but I don't see something similar to onTweenUpdate.
Philippe Maegerman
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
On
Behalf Of Alex Uhlmann
Sent: lundi 26 septembre 2005 11:51
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Tween classes
Hey Philippe,
if that's not sufficient for what you want to achieve, maybe the
Animator class in AnimationPackage works for you? It uses
mx.effects.Tween by default.
Best,
Alex
--
Alex Uhlmann
Software Consultant
iteration::two
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
Behalf Of Philippe Maegerman
Sent: 26 September 2005 09:59
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Tween classes
Ok I found by digging the FlexForFlash package.
Flex doesn't seem to include the mx.transitions.Tween class but
mx.effects.Tween.
This class is more basic but allows to input several values in the
same
Tween ;))
It still would have been nice to have the basic Tween class + easing
equations
?xml version=1.0 encoding=utf-8?
mx:Application xmlns:mx=http://www.macromedia.com/2003/mxml;
creationComplete=doTween() mx:Script ![CDATA[ import
mx.effects.*
function doTween(){ var a = {}; var anim = new Tween(a, [0,50],
[100,100], 1000); a.onTweenUpdate = function(vals:Array):Void{
mx.controls.Alert.show(vals[0].toString() + '/' +
vals[1].toString()); }; a.onTweenEnd = function(endPos:Number):Void{
mx.controls.Alert.show(End animation: + endPos); }; } ]]
/mx:Script /mx:Application
Philippe Maegerman
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
On
Behalf Of Philippe Maegerman
Sent: vendredi 23 septembre 2005 16:05
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Tween classes
No idea why Tween classes are not working?
Philippe Maegerman
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
On
Behalf Of Philippe Maegerman
Sent: mercredi 21 septembre 2005 14:26
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Tween classes
Sorry for the delay, I have tried your suggestions and other things
but
can't make it happen.
It seems ok to import the transitions package, no error pops up, I
can't
declare var new my_tween = new Tween() but it allows me to do var
my_tween = new mx.transitions.Tween() which seems quite strange to me,
because I import mx.transitions.* As it fails silently I have no clue
on
what's going on here :(
Here's my code with trace actions:
?xml version=1.0 encoding=utf-8?
mx:Application xmlns:mx=http://www.macromedia.com/2003/mxml;
creationComplete=myTween() mx:Script ![CDATA[
import mx.transitions.*;
var dummy:Object = {val:''};
function myTween(){
//mx.core.Application.alert('starting');
dummy = {val:''};
var my_tween = new mx.transitions.Tween(dummy, 'val', null, 0, 100,
10,
true); my_tween.onMotionChanged = function(obj){
mx.core.Application.alert('onMotionChanged');
}
my_tween.onMotionFinished = function() {
mx.core.Application.alert('onMotionFinished');
};
}
]]
/mx:Script
/mx:Application
Philippe Maegerman
PS: I have tested this in flashMX2004 (except for the trace
statements)
and it works perfectly well
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
On
Behalf Of Matt Chotin
Sent: dimanche 11 septembre 2005 6:13
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Tween classes
Try not using _level0, go through Application.application. And see if
you should be using Delegates too J
Matt
RE: [flexcoders] Re: Cairngorm question
Hi Alberto, in addition to what Dan said, you could create an object similar to Business Delegates used for request/response remote calls - in applications that we have developed, we call these Listeners. These listeners provide control and protection for your server push remote services. In here, you could implement functionality as recovery plans, disconnecting etc. In these listeners, we would typically subscribe to server-side shared objects. When we receive notification of changes to the shared object, we then convert untyped FlashComm data into VOs, before using the EventBroadcaster in our listener to broadcast events plus data. So the listener is really just another way of injecting an event into the Cairngorm architecture, other than a user-gesture. In this way, the commands are unaware as to whether the events that called them, and the data accompanying these events, was pushed from the server (via FlashComm) or generated on the client. Everything else about your Cairngorm architecture remains the same - using the ModelLocator for instance, to have your commands updating the model, and binding the view to the state of your model. Depending on the complexity of your application, we might suggest further refactorings, i.e. outsourcing functionality of listeners to other classes such as recovery plans. Best, Alex -- Alex Uhlmann Software Engineer iteration::two -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] Behalf Of Daniel Harfleet Sent: 30 August 2005 10:10 To: flexcoders@yahoogroups.com Subject: [flexcoders] Re: Cairngorm question Alberto, this seems a fair approach to me, you may also want to include some logic to disconnect from the flash comm server when you know you are not interested in receiving updates and maybe even a 'recovery plan' for the service should the connection to the FCS be broken. rgds dan --- In flexcoders@yahoogroups.com, Alberto Albericio Salvador [EMAIL PROTECTED] wrote: Hi all, The Cairngorm samples are a great resource for understanding how to best arquitect an specific kind of applications; in this case, applications that talk syncly with some servers that expose some services. Imagine now that Im building an application which implements, somewhere, some kind of asynchronous services: a flash comm server chat , for example. This service must be running, in the background, even if im visually working in another part of the application, entering some data for new providers or whatever. So the question is, where is the best place to initialise these services? Or how can I place/work with these services within this arquitecture? My choice would probably be to initialise evrything inside a initialise() function in the model locator and then use some public var there to control msgs and status of this service and then bind the chat components to these vars. I hope someone can help chosing the best option. Thanks all in advance. -- Alberto Albericio Salvador Aura S.A. Seguros Departamento Informática -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com YAHOO! GROUPS LINKS Visit your group flexcoders on the web. To unsubscribe from this group, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. Yahoo! Groups Sponsor ~-- Get Bzzzy! (real tools to help you find a job). Welcome to the Sweet Life. http://us.click.yahoo.com/A77XvD/vlQLAA/TtwFAA/nhFolB/TM ~- -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
RE: [flexcoders] Re: Cairngorm question
Alberto,
your responder is probably of type Responder and Responder is the interface
that only contains onResult and onFault. See Cairngorm docs. I suggest you
implement the communication from your listener to the command via
EventBroadcaster.
Best,
Alex
--
Alex Uhlmann
Software Engineer
iteration::two
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] Behalf Of Alberto
Albericio Salvador
Sent: 30 August 2005 18:32
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Re: Cairngorm question
Hi again,
Im trying to create a business delegate class for handling a connection
to, for example, an xml socket.
When trying to delegate onXML to the responder it keeps on saying there
is not such property on the responder, but of course there is. If I
define the function inside de business delegate class, it works
(changing responder.myOnXML for myOnXML, of course)
I have something like this on my command class:
class org.nevis.cairngorm.prexon.commands.SubscribeCommand implements
Command, Responder {
public function execute( event:Event ) : Void {
var delegate: SubscriberDelegate = new SubscriberDelegate( this );
delegate.subscribe( );
}
public function myOnXML( event : Object ): Void {
mx.core.Application.alert(RESPONDER OK);
}
..
}
And the business delegate has:
this.responder = responder; (the parameter for the class)
myListener.onXML = Delegate.create( responder, responder.myOnXML );
...
What Im I doing wrong? Is it okay setting a responder here? Cause I have
to define a result and fault handler im never using for this kind of
services...
Alberto Albericio Salvador escribió:
No problem Alex, I was looking for the easy way. I will make a look at
those papers.
Thanks anyway
Alex Uhlmann escribió:
Alberto,
the Flash Player's SharedObject class listens to server pushes. There's much
information on remote SharedObjects in Macromedia documentations such as the
FlashComm Live docs. Sorry, I don't have a generic example right now that
doesn't belong to a client.
hope it helps,
Alex
--
Alex Uhlmann
Software Engineer
iteration::two
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] Behalf Of Alberto
Albericio Salvador
Sent: 30 August 2005 14:25
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Re: Cairngorm question
Hi Alex,
I like the idea of Listeners and they way you point to manage server
pushes injecting events and data to the Cairngorm architecture. Mainly
because server pushes are treat just like if they were data from a
user-gesture.
If possible, send me a sample code for one of these Listeners, just a
short one so I can see how to initialise the subscription and how
handlers for server pushes are defined. I can imagine it's somehow
similar to a business delegate class calling a remoteobject but I dont
see how to leave these services in the background listening and
waiting for server pushes.
Thanks for your help Alex.
Alex Uhlmann escribió:
Hi Alberto,
in addition to what Dan said, you could create an object similar to Business
Delegates used for request/response remote calls - in applications that we
have developed, we call these Listeners.
These listeners provide control and protection for your server push remote
services. In here, you could implement functionality as recovery plans,
disconnecting etc. In these listeners, we would typically subscribe to
server-side shared objects. When we receive notification of changes to the
shared object, we then convert untyped FlashComm data into VOs, before using
the EventBroadcaster in our listener to broadcast events plus data. So the
listener is really just another way of injecting an event into the Cairngorm
architecture, other than a user-gesture.
In this way, the commands are unaware as to whether the events that called
them, and the data accompanying these events, was pushed from the server
(via FlashComm) or generated on the client. Everything else about your
Cairngorm architecture remains the same - using the ModelLocator for
instance, to have your commands updating the model, and binding the view to
the state of your model.
Depending on the complexity of your application, we might suggest further
refactorings, i.e. outsourcing functionality of listeners to other classes
such as recovery plans.
Best,
Alex
--
Alex Uhlmann
Software Engineer
iteration::two
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] Behalf Of Daniel
Harfleet
Sent: 30 August 2005 10:10
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: Cairngorm question
Alberto,
this seems a fair approach to me, you may also want to include some
logic to disconnect from the flash comm server when you know you are
not interested in receiving updates and maybe even a 'recovery plan'
for the service should the connection to the FCS be broken.
rgds
dan
--- In flexcoders
RE: [flexcoders] modelChanged event
Timing is probably your problem. But anyway there's another solution to
accomblish your task you might want to consider. If products is your
dataProvider Array then you can bind to it via
mx:Binding
source=products destination=this.productsChanged /
and handle it via getter / setter properties
public function get productsChanged() : Array
{
return _productsChanged;
}
public function set productsChanged( newProductsChanged : Array)
{
update( newProductChanged );
_productsChanged = newProductsChanged;
}
private var _productsChanged : Array;
in update you can access the updated dataProvider, delegating to other tasks
such as calculating a sum. The textfields could then i.e. bind to simple
properties of your model.
Best,
Alex
--
Alex Uhlmann
Software Engineer
iteration::two
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
Behalf Of Johnny
Sent: 14 July 2005 01:45
To: flexcoders@yahoogroups.com
Subject: [flexcoders] modelChanged event
Hi,
I have a DataGrid control and use addItem and removeItemAt method to
add and remove items. This works properly. At the same time, I need
to dynamically calculate the sum for certain field in the DataGrid and
bind the result to a text field.
I add a listener for modelChanged event of dataProvider and add a sum
function there. But the sum function never gets triggered at all even
after an item is added, deleted or all items are removed.
The array that binds to the dataProvider will create after a remote
service call. The listener is created at the initialize function of
the appliation. Could this be a problem?
Thanks,
J
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RE: [flexcoders] Cairngorm Store missing link?
Hi Kent,
we decided to make 5 components of Cairngormstore more modular and
abstracted the ModelLocator. The ShoppingCart.mxml component was one of
those components. If you look into Main.mxml you'll see the
inisialisation of ShoppingCart.mxml
cart:ShoppingCart id=shoppingCartComp width=100% height=100%
shoppingCart={ModelLocator.shoppingCart}
selectedItem={ModelLocator.selectedItem}
select=ModelLocator.selectedItem = event.target.selectedItem
currencyFormatter={ModelLocator.currencyFormatter} /
ShoppingCart.mxml accepts a shoppingCart instance of type
org.nevis.cairngorm.samples.store.business.ShoppingCart. In our case
this comes from ModelLocator. The dataProvider property of the DataGrid
in ShoppingCart.mxml is bound to the elements property of
org.nevis.cairngorm.samples.store.business.ShoppingCart. This
ShoppingCart class is also in the as2docs. Basically, the elements
property is a collection of ShoppingCartElement objects that represent
one element. The ShoppingCart class itself represents all elements and
some additional connected information concerning all elements like the
totalProductPrice or shippingCost.
hope that helps,
Alex
--
Alex Uhlmann
Software Engineer
iteration::two
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
Behalf Of Kent Henneuse
Sent: 20 June 2005 16:35
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Cairngorm Store missing link?
Ok it is a missing link in my brain and not a link that is missing.
I am confused how the dataProvider on line 58 of ShoppingCart.mxml gets
linked to the one in the ModelLocator? It appears as if everything is
done
by manipulating the ShoppingCart object that is in the ModelLocator and
some
how it is getting changed in the View.
I ask because I currently have an Array of objects that represent lines
in a
DataGrid. When I add an element to that array I am not seeing it in the
datagrid. I figure that it has something to do with the redrawing of
the
component. I looked at the Cairngorm Store as an example because it is
very
similar to what I am trying.
Anxiously awaiting the next Blog installments on the Cairngorm store,
-Kent
Black holes are where God divided by zero.
- Steven Wright
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RE: [flexcoders] Cairngorm store products
Hi Tom, if you used the default settings of store.cfg, make sure you have a db directory in the parent of your WEBAPP_DIR. On Tomcat that's TOMCAT_HOME/webapps. In db you have to place your catalog.proteries and catalog.script files. See install docs for more. Best, Alex -- Alex Uhlmann Software Engineer iteration::two -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] Behalf Of Tom Fitzpatrick Sent: 25 May 2005 16:31 To: flexcoders@yahoogroups.com Subject: RE: [flexcoders] Cairngorm store products At 11:17 AM 5/25/2005, you wrote: There are a number of things to check ... first of all, have you placed the named service in flex-config.xml (have you used our flex-config.xml) ? Yes, I used your flex-config.xml file. Is there more detailed error message in your appserver log file ? The only cairngorm store related message in the log just references the Flex build. - Tom Yahoo! Groups Links Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
RE: [flexcoders] Cairngorm store products
Actually the db directory by default is in TOMCAT_HOME not TOMCAT_HOME/webapps. (you can change this via store.cfg. In case you did that: We're using HSQLDB in in-process mode, so it initialises when you start your app server. Have you restarted Tomcat? When you restart Tomcat, HSQLDB should by default create catalog.lck and catalog.log files in the db directory. Does your catalog.script file actually create a user CAIRNGORMSTORE. Is the content matching the content of the supplied catalog.script? Best, Alex -- Alex Uhlmann Software Engineer iteration::two -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] Behalf Of Tom Fitzpatrick Sent: 25 May 2005 18:02 To: flexcoders@yahoogroups.com Subject: RE: [flexcoders] Cairngorm store products Hi Alex - Thanks to you and Steven for staying with me on this. I did set it up that way, and it's still not working. My directory structure is: jakarta-tomcat-5.0.25 webapps db jakarta-tomcat-5.0.25 webapps cairngormstore Inside the db directory are catalog.properties, catalog.script, and mysql_store.sql I did find this error message from Tomcat: java.sql.SQLException: User not found: CAIRNGORMSTORE Does that help? - Tom At 12:25 PM 5/25/2005, you wrote: if you used the default settings of store.cfg, make sure you have a db directory in the parent of your WEBAPP_DIR. On Tomcat that's TOMCAT_HOME/webapps. In db you have to place your catalog.proteries and catalog.script files. See install docs for more. Yahoo! Groups Links Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
RE: [flexcoders] Re: Cairngorm 0.99
Hi Dave, have you made sure your config.xml contains namespace uri=http://www.iterationtwo.com/cairngorm; manifest/WEB-INF/flex/cairngorm-manifest.xml/manifest /namespace ,you have a cairngorm-manifest.xml file and most importantly, you've restarted your server? Best, Alex -- Alex Uhlmann Software Engineer iteration::two -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] Behalf Of dave buhler Sent: 19 May 2005 09:14 To: flexcoders@yahoogroups.com Subject: Re: [flexcoders] Re: Cairngorm 0.99 I have the same issue with the Login example: Error /org/nevis/cairngorm/samples/login/business/Services.mxml:22 Namespace http://www.iterationtwo.com/cairngorm has not been associated with component manifest. On 5/19/05, Hans Omli [EMAIL PROTECTED] wrote: I'm having a similar issue. After changing db_path in /WEB-INF/classes/store.cfg to an absolute path, I get: Error: Unresolved compilation problems: The import org.apache.commons cannot be resolved The import org.apache.commons cannot be resolved log cannot be resolved log cannot be resolved log cannot be resolved log cannot be resolved log cannot be resolved log cannot be resolved Log cannot be resolved to a type LogFactory cannot be resolved Could be an issue with the way I have the Tomcat project configured in Eclipse. Will dig deeper into this in the morning. -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Steven Webster Sent: Wednesday, May 18, 2005 7:10 AM To: flexcoders@yahoogroups.com Subject: RE: [flexcoders] Re: Cairngorm 0.99 Hi there, Can you zip up your webapp directory (removing flex.war/etc) on JRun and email it privately to me offlist, and we'll take a look. On the login sample, you should have seen a result or a fault come back over the wire ... what was the case ? Have you tried starting/stopping the appserver ? I'm sure it's something simple. Best, Steven -Original Message- From: flexcoders@yahoogroups.com [mailto: [EMAIL PROTECTED] On Behalf Of violabg2002 Sent: 18 May 2005 15:04 To: flexcoders@yahoogroups.com Subject: [flexcoders] Re: Cairngorm 0.99 Hi Steven changed the store.cfg paht to db_path=c:\\cairngormstore\\db\\ but same problem. I have h commons-lang-1.0.1.jar h commons-logging-1.0.4.jar h hsqldb.jar h log4j-1.2.8.jar in the Flex\jrun4\servers\default\cairngormstore\WEB-INF\lib directory. Yahoo! Groups Links Yahoo! Groups Links To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ To unsubscribe from this group, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
RE: [flexcoders] Alex Uhlmann: Rotation class help
Hi Duccio,
As you said, your component is centered around 0,0. For your effect to work
properly, you need to simulate the registration point with modifying the x and
y postions of the component. The current version of AP 1.05 doesn't support a
setRegistrationPoint method of Rotation. But the Scale class provides one. You
could listen to the onUpdate event of Rotation and modify the x and y positions
in your onUpdate listener. Look into the source code of Scale for more
information about how to simulate a registration point. BTW: The registration
point implementation in Scale was a contribution from Ben Jackson and here are
other contributions from Robert Penner and Darron Schall:
http://www.iterationtwo.com/cgi-bin/mt-comments.cgi?entry_id=73
This is the kind of functionality the upcomming Flex Effects Framework (
announced here http://www.richinternetapps.com/archives/000108.html ) will
provide for you.
Best,
Alex
--
Alex Uhlmann
Software Engineer
iteration::two
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] Behalf Of Duccio
Sent: 05 May 2005 19:57
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Alex Uhlmann: Rotation class help
Hi,
i'm currently using animationpackage. I have one little problem with the
Rotation class, i'm using it to rotate an image but it rotates on its 0,0 axis
(upper left corner) and not on its centre as i expected. I looked the
documentation but didn't find anything regarding changing the centre of
rotation. I 'd like also to thank you again for your great work!!! Below
there's the interested code ...
Best Regards
Duccio Del Ministro
public function myMouseDownHandler(event) : Void
{
trace(mouseDown + _indice.valueOf());
if (!_selected) {
_alpha=100;
width+=1;
setStyle(shadowDistance,0);
setStyle(dropShadow,false);
setStyle(borderSides,left top right bottom);
new Rotation(this).run(360,2000,Quad.easeIn,onCallback);
} else {
_alpha=80;
width-=1;
setStyle(borderSides,);
setStyle(shadowDistance,4);
setStyle(dropShadow,true);
my_border.clear();
}
_selected=!_selected;
}
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RE: [flexcoders] Cool Transition Effects
Hi Andy, while I think we still have to wait a bit when we can achieve runtime transition effects like this http://www.mailorderchickens.org/ ( ; ...we do have some options at the moment. We just posted about this topic: http://www.richinternetapps.com/archives/000108.html Best, Alex -- Alex Uhlmann Software Engineer iteration::two -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] Behalf Of Andy Goodfellow Sent: 03 May 2005 14:32 To: flexcoders@yahoogroups.com Subject: [flexcoders] Cool Transition Effects All, This is purely gee-whiz, but has anyone achieved a 3D transition effect with Flex? I have created the sliding page-to-page effect using the compositing stuff (parallel and sequential) however it would be really neat to flip a panel (using viewstacks) and have added functionality on the back. It seems we would need a custom skew effect or something. Any thoughts? -Andy Yahoo! Groups Links -- Internal Virus Database is out-of-date. Checked by AVG Anti-Virus. Version: 7.0.308 / Virus Database: 266.9.1 - Release Date: 01/04/2005 Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
RE: [flexcoders] XPath support in Flex?
No build in support but have you tried this library? http://www.xfactorstudio.com/Actionscript/AS2/XPath/ Best, Alex -- Alex Uhlmann Software Engineer iteration::two -Original Message- From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] Behalf Of Kristopher Schultz Sent: 28 April 2005 17:05 To: flexcoders@yahoogroups.com Subject: [flexcoders] XPath support in Flex? Does Flex have any built-in support for XPath? I know Flash supports XPath expressions to a certain extent, but it isn't well documented (It's buried in the Using Flash documentation). Is there support in Flex? Kris -- Kristopher Schultz Developer Resource Interactive p: 614.410.2123 www.resource.com Yahoo! Groups Links To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ To unsubscribe from this group, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/ winmail.dat
RE: [flexcoders] EventDispatcher Question.
Just curious as to whether or not others have built/extended the EventDispatcher solution and what they found worked?. you, could use GDispatcher that offers this functionality. http://www.gskinner.com/blog/archives/2003/09/code_gdispatche.html The version shipped with AnimationPackage works with Flex. Note, GDispatcher API is not compatible to the W3C standard as mx.events.EventDispatcher is. Best, Alex -- Alex Uhlmann Software Engineer iteration::two Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ * To unsubscribe from this group, send an email to: [EMAIL PROTECTED] * Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
RE: [flexcoders] AnimationPackage
Yes. Currently, it's indended to use AnimationPackage only in ActionScript 2.0
classes or the MXML Script tag. Here's a quick example for a Script tag.
mx:Script
![CDATA[
import de.alex_uhlmann.animationpackage.*;
import de.alex_uhlmann.animationpackage.animation.*;
import de.alex_uhlmann.animationpackage.drawing.*;
import de.alex_uhlmann.animationpackage.utility.*;
import com.robertpenner.easing.*;
function runAnimation() {
APCore.initialize();
var myStar:Star = new Star(275,200,100,25,6);
myStar.lineStyle(2,0xff,100);
myStar.fillStyle(0xff,100);
myStar.draw();
var mc:MovieClip = myStar.movieclip;
var myMoveOnQuadCurve:MoveOnQuadCurve = new
MoveOnQuadCurve(mc,100,100,300,300,500,100);
var myScale:Scale = new Scale(mc,25,25);
var myRotation:Rotation = new Rotation(mc,360);
var myColorTransform:ColorTransform = new
ColorTransform(mc,0xff,50);
var myAnimation:Animation = new Animation();
myAnimation.addChild(myMoveOnQuadCurve);
myAnimation.addChild(myColorTransform);
myAnimation.addChild(myScale,0,1000);
myAnimation.addChild(myRotation,1000,1500);
myAnimation.animationStyle(2000,Circ.easeInOut,onCallback);
myAnimation.animate(0,100);
}
]]
/mx:Script
i.e. a creationComplete event handler could call the method runAnimation.
Basically all the supplied examples of the HTML documentation stay the same.
Best,
Alex
-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] Behalf Of Duccio
Sent: 22 April 2005 18:36
To: flexcoders@yahoogroups.com
Subject: [flexcoders] AnimationPackage
Has anyone tested
AnimationPackage(http://www.alex-uhlmann.de/flash/animationpackage/index.htm)
or similar in Flex? Any example?
Best regards
Duccio Del Ministro
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