Hi Flexcoders,
Can anyone help me with an apparent sandbox issue?
I'm attempting to load an SWF at runtime using the StyleManager.
StyleManager.loadStyleDeclarations(url);
The URL is on a remote web sever and I am running the code from a
local trusted SWF. I understand this should be
Hi All,
I was wondering if someone can offer some advice on dynamic loading
of classes at runtime.
What I would like to achieve is to create a library of view classes
(effect classes to be specific) which can by dynamically loaded into
a Flex application at run time. I don't want to
Hi Flexcoders,
I've got a slightly obscure objective concerning Embedded SWFs and
Fonts in ActionScript 3 Projects. Basically I want to be able to
create several SWFs (probably in Flash) which can be embedded in
ActionScript 3 projects and styled. I.e. I want to be able to change
the
Excellent. Problem solved. Thanks Dan.
--- In flexcoders@yahoogroups.com, Daniel Freiman [EMAIL PROTECTED] wrote:
textField.antiAliasType = AntiAliasType.NORMAL;
- Dan Freiman
Hi Flexcoders,
Does anybody know the secret to scaling a multi-line text container
(e.g. a TextArea) while preserving the flow (line wrapping) of the text?
I want to be able to 'zoom in' on a TextArea while keeping the text
flow the the same as it was.
I would have expected that when I
Hi Tracy,
Thanks for those suggestions. Unfortunately, the vast majority of the
code base is required for all products, and breaking it up as runtime
shared libraries hasn't worked very well. Your second suggestion is
very interesting. I suppose you need to be running Flex Builder as an
Hi List,
I'm having a lot of trouble with Flex Builder on a large project I'm
working on and would really appreciate some advice if anyone has
found themselves in a similar situation.
The particular project I'm working on is approaching 30,000 lines of
code and also includes a fair bit
Hi,
There was a thread on flexcoders about a year ago talking about using
the @Embed syntax to compile FLV video into the SWF. Apparently this
wasn't possible back then but there was talk that it might be in a
future version. Is there any news on this? Is there anyway to embed
an FLV
In case anyone else is interested, the solution to the bitmap cached
mask issue is to make the mask a sibling of the target, rather than a
child of the target, in the display hierarchy.
Then you can position it as you wish and it filters properly.
Cheers,
Lach
Hi,
Can anybody help shed some light on an odd problem with filters? I
want to create soft edge wipe effects. I've got a pretty good proof
of concept that works like so:
target.cachePolicy = 'on'
mask.filters = [new BlurFilter(20,20)]
Sure enough, that creates a nice feather
Hi List,
Sorry for the long winded post, but I'm completely baffled by an
exception that my app is throwing involving an allegedly undefined
view state. I have bound the current state of an item renderer
component to an expression that returns one of several possible state
names.
Hi Steve,
I'm a little confused about how this class is supposed to work. Is it
a subclass of ProxyObject?
You have a model object which maintains a reference to another
(hidden) model object? If you have marked the property as bindable,
you shouldn't have to manually dispatch events to
Hi Diego,
I'm not sure if you can do that, but it's probably would be a little
counter intuitive for uses as there is no visual indication of why
they cannot use the app. That is what the disabled state of
components represents, so it is the correct way to do that kind of
thing.
If it is a sand boxing issue, you might be able to get around it by
placing an crossdomain.xml file on your sever and naming the domain
from which your external people access the app.
Cheers,
Lach
On 23/12/2006, at 5:47 AM, Rich Tretola wrote:
We have an internal application that needs to
Hi All,
I wonder if someone might be able to shed some light on an issue I'm
having with item renderers. The trouble stems from the whole
recycling thing that the list components do.
Basically, my custom renderers have two states: one for viewing and
one for editing the data object. I
When I set a progress bar to be indeterminate, it doesn't animate in
polled mode or even in event mode. Is there a way to get it to
animate other than calling setProgress directly?
Cheers,
Lach
Hi Tim,
What kind of control is myTags bound to?
Cheers,
Lach
On 20/12/2006, at 7:50 AM, Tim Garver wrote:
Hi All,
here is some snippets from my project that is not working.
i have included some of the code, let me know if you need all of
it. it quite large.
The myTags data field is
Hi Jeremy,
Let me see if I understand you correctly: you want to have a
horizontal menu bar where each item will drop down a list of checkbox
controls when selected?
Cheers,
Lach
On 20/12/2006, at 10:37 AM, Jeremy Rottman wrote:
I'm having trouble thinking of a way to accomplish the
Hi Kyle,
Listen on your tree control for the itemOpen event. Retrieve the tree
node from the event, pull from it what information you need for your
next query. When the query returns, append the results as children of
that node. Bindings should update the tree control.
Is that what you
I came up against just this problem today and decided that the
sequence command wasn't appropriate for reasons similar to what
you've outlined below. The sequence is intrinsic in the actual
command classes which obviously makes them less reusable. In my app,
I wanted the idea of the
Hi Dan,
I can think of two possible approaches.
You could create a proxy data-provider that places a layer between
the control and the real data provider, that manipulates the data for
this view (by adding your pseudo item).
or…
You could create a subclass of the control that adds the
Hi Saba,
What's wrong with just loading ordinary XML files?
Cheers,
Lach
On 20/12/2006, at 10:12 PM, ssundke wrote:
Ok.. so what do I do for this problem.
I need to write some help files for my project and I need my swf to be
standalone since it can be used. I didnt want to hardcode the
Hi Vikas,
It's possible to pass data between Flash and JavaScript, so
theoretically, it is. My memory might be faulty but I have a vague
idea that I've done something like this in the past in a situation
where I wanted to include some data from an embedded SWF in a form
submission along
Hi Yioit,
I believe AMFPHP was originally created to work with remoting in
Flash (not Flex). The XML handling abilities of Flash are not in the
same league as Flex, so XML was a huge pain. AMFPHP definitely makes
a big difference for Flash Development.
Since Flex is so much better with
:55 PM, Lachlan Cotter wrote:
Hi Vikas,
It's possible to pass data between Flash and JavaScript, so
theoretically, it is. My memory might be faulty but I have a vague
idea that I've done something like this in the past in a situation
where I wanted to include some data from an embedded SWF
Hi Gaurav,
That's the standard and intended behaviour in pretty much all
applications. If you really want to change it, you need to define
your own custom drag handler methods on the DataGrid.
Cheers,
Lach
On 18/12/2006, at 10:44 PM, Gaurav Jain wrote:
Hi All,
I have a Datagrid in
Sorry if this is out of left field (and wrong), as I haven't read
through the rest of the thread, but is it the case that dataChange is
fired during scrolling because the item renderers are reused by the
list control with different items in the dataProvider?
Cheers,
Lach
On 19/12/2006,
Thanks Greg,
Okay so the distinction is to do with types rather than with identity.
In that case, how does one compare two objects by value?
For example if, I have two separate instances of a class which happen
to have the same value, as in
var foo:MyObject = new MyObject;
var bar:MyObject
Thanks Ralf,
Is there a standard interface that one should implement to do this?
For instance,
class MyObject implements IComparable
{
public function compareWith (b:Object):Number;
}
something of that nature? Nothing obvious came up in the
Hi David,
As I was recently reminded, you can only loop over properties this
was when they are dynamically created, as in your first example. To
enumerate the declared properties of your custom class, I believe you
need to use the describeType() or getClassInfo() methods. See
'performing
Hi Kumar,
When you say 'loaded already', do you mean that you want the images
to be pre-compiled into the SWF? There may be a better way to do it,
but this is one method that seems to work.
?xml version=1.0 encoding=utf-8?
mx:Application xmlns:mx=http://www.adobe.com/2006/mxml;
Are you calling send() on each of the services? Are errors reported,
or does it just silently fail?
On 16/12/2006, at 9:33 AM, danj520 wrote:
can you have multiple instances of httpService?
Here is my code:
mx:HTTPService id=adapSrv url=data/adapters.xml/
mx:HTTPService id=attenSrv
Probably you need to use a bunch of loader objects to pre-load the
images. You might approach it something like this:
1. start with your collection of filenames
2. enumerate over them, creating a loader object for each
3. add an event listener to each loader so you know when it is done
4. when
Hi Kumar,
I fear one of us does not grasp the concept of the repeater class.
The way I understand it, it's for repeating the instantiating of a
child object, not for repeating the firing of events per se. I think
the solution to your question here is not unlike the slideshow example.
Hi Collin,
Is your data always a flat list of string values? or does it have
'depth'? Because if so, you might need to change how you examine your
data.
Cheers,
Lach
On 17/12/2006, at 6:13 AM, Collin Peters wrote:
By merge I mean that this XML
root
node id=1value1/node
node
Can anybody point me to a comprehensive reference that explains how
equality and strict equality works in ActionScript 3. Presumably
strict equality means two variables hold the exact same instance. How
is non-strict equality determined with non-primitive objects,
collections and the like?
The error means that the object you are assuming to be of type
ErrorMessage was in fact just a plain object. You cannot cast an
Object to an ErroMessage because it is missing all the methods and
properties that an ErrorMessage is supposed to have.
Cheers,
Lach
On 15/12/2006, at 3:22 AM,
The collection view classes in Flex such as List, TileList, DataGrid
etc. have an optimisation so that the component only instantiates
enough item renderers to display the items currently on screen. This
is presumably a necessary optimisation to keep from consuming massive
resources when
Is there any way in ActionScript 3 that you can add methods to an
existing class short of declaring a new subclass? Something akin to
Ruby's open classes or Objective-C categories, or the _prototype
property in ActionScript 2. Anything like that?
In particular, I want to add some methods to
, ben.clinkinbeard wrote:
You could write a completely separate utility class that uses Arrays
and ArrayCollections thru composition.
HTH,
Ben
--- In flexcoders@yahoogroups.com, Lachlan Cotter [EMAIL PROTECTED] wrote:
Is there any way in ActionScript 3 that you can add methods to an
existing class
If you don't have a track and a thumb, I wouldn't really call it
scrolling. Perhaps what you're really after might more accurately be
called 'paging'. If you think of it in those terms, does the problem
become easier to grasp?
Cheers,
Lach
On 06/12/2006, at 8:18 AM, graysonpierce wrote:
Hi David,
One way to do what you want is as follows:
1. Your form subclass should add an event listener to its delete
button in some initialise method that is called on creationComplete.
2. The handler for that button press event should dispatch ANOTHER
event. This event is of a custom
Hi,
I'm not sure I fully understood your issue. Is it something to do
with transparency or background colour on your item renderers?
Why don't you post some example code so we can get a better idea of
what is not working.
Cheers,
Lach
On 06/12/2006, at 5:24 PM, rthi99 wrote:
Hi all,
Hi Harry,
This is so you can instantiate and populate your class in MXML?
I don't think you have to do anything special. Just define public
properties or accessor methods on your class. You can then
instantiate your class in MXML, setting the value of properties with
child elements. For
Hi,
Although Alex may already have answered your question, I thought a
more general explanation might also be helpful.
A business object represents an entity in the domain (the real world
system of which the application is a software representation).
Business objects should encapsulate
You shouldn't need a function to populate your view. Use bindings to
tie it to the data model. It might also be worth looking over the
docs for the DataGrid and TabNavigator to see what events they fire
and when.
Cheers,
Lach
On 10/12/2006, at 5:14 AM, bghoward3 wrote:
here is my
Your plan sounds like a good one to me. For extra efficiency, you
might also want to keep track of what calls you have pending. For
instance, you may have issued a call to get the data but it has not
yet arrived. Just depends on how nice you want to be to your server.
Cheers,
Lach
On
Hi Even,
I may be wrong, but I'm pretty sure the case is this:
Meta-data and embedded assets are interpreted at compile time.
Program variables are assigned at runtime.
It doesn't really make sense therefore to assign a compile time
constant the value of a runtime variable. I.e. var image
Hi Joe,
I think there might be a way to do it, but it's not pretty. Probably
better off using a list or something similar instead of a repeater,
because the repeater isn't much help after it has actually
instantiated it's contents. The list is a little more work because
you have to go
Ah, excellent. I was trying repeater.currentIndex, but this throws an
exception when used any time other than instantiating time.
On 13/12/2006, at 3:56 AM, Ralf Bokelberg wrote:
bringToTop( event.target.data )
Hi Yigit,
Some of the Flex framework classes are written in ActionScript and
can be viewed in the SDK, others are part of the actual Flash player
platform and are not accessible this way. I suspect the HTTPService
class belongs in the latter classification.
You can still override methods
Perhaps there is another way to clip or mask the content without
relying on layering it with other components.
Cheers,
Lach
On 10/12/2006, at 5:42 PM, jroblang wrote:
Is there any way to permanently change the child order in an
HDividedBox so that the child
on the right side of the
Hi Peter,
Thanks for this information, it has certainly helped to clarify some
things in my mind.
With Cairngorm Enterprise one of goals is to promote an application
model on the client (RIA) and a domain model on server. We see the
application model being a good OO model that reflects the
What's happening on the server side? Are you sending files to a real
service? or just a dummy URL? Do you get the same results with other
files?
Cheers,
Lach
On 11/12/2006, at 9:54 AM, Philippe wrote:
Hi,
I use a progressbar to watch a FileReference upload. Everything is
ok but
when
Hi,
Flex can't access your database directly; you will need some
intervening service code on the server written in something like PHP,
Java, Ruby, ASP etc.
Your service code needs to query the database and output an XML
document representing the result. For example:
calendar
What happens without the casting? Casting means 'treat this variable
as'. The properties of A and B are not on a plain Object. That might
be why you can't enumerate them.
Cheers,
Lach
On 12/12/2006, at 7:44 AM, leo4beer wrote:
Hi, I got a problem with a for each loop.
I have a class
I've also had similar issues with the focus rectangle. One that
springs to mind is that a focus rectangle on a scroll thumb will
sometimes stay put even when the thumb is dragged somewhere else in
the scroll bar.
Also this morning, a colleague is having an issue with a focus rect
that
Hi Steve,
Is your problem to do with your rules about which view to display? If
it's getting a bit complicated or 'crufty', then you probably need
another level of abstraction. Encapsulate your rules about which view
should be displayed inside a getter called currentView. Bind your
view
Hi David,
I tried doing something similar to this a while back but without
success. Others have also noted that there is no way to do thread-
blocking in Flex. The problem is that your onData method won't even
get called until next time through the Flex event loop; and that's
not going to
Hi Wayne,
By any chance did you forget to register your event handler with the
DataGrid? Just a thought.
Cheers,
Lach
On 30/11/2006, at 1:07 AM, wayneposner wrote:
I'm trying to drag-and-drop from a tree to a datagrid. I've followed
the examples to try to achieve this, but whenever I
Hi Rajesh,
When you say that the object is moved or disappears when you drop it
on the application, is that because you haven't set up event handlers
to receive the dropped data?
There are at least two methods you could use to remove the drag
operation.
1. Do a test in the method that
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
Hi,
There are a couple of different issues here.
First, why do you need to get a reference to the other view? If it is
in order to access or manipulate the data therein, the better
approach is to bind both views into some dataProvider and manipulate
the data through that.
Second, the
On 05/12/2006, at 8:47 PM, Tom Chiverton wrote:
First, I have never seen examples or discussion of Cairngorm that
deals with this issue. In most cases the 'model' isn't much more than
a collection of dumb value objects without complex relationships.
I'm not sure you'd want your model to be
Thanks Alex,
One thing I'm looking for is validation that there is a need in some
applications to construct an object graph of sorts to describe the
model beyond an array of records to be CRUDed. Surely I'm not alone
here?
If that's the case, is there a best practice for going from
If you're defining your own drag-drop event handlers, I don't think
you're supposed to use dropEnabled='true'; dropEnabled='true' means
that the default handlers are used.
From 'Flex 2 Dev Guide':
dropEnabled
A Boolean value that specifies whether the control can be a drop target
that uses
Hi Onur,
Um, just a guess but the problem might be that you are trying to
instantiate the abstract effect base class when what you actually
want to do is use one of the concrete subclasses; e.g. Fade, Resize,
Blur etc. See mx.effect in the docs for more explanation of this.
Cheers,
Lach
As a point of interest, it seems that you can define drop event
handlers even without dropEnabled='true'. Then you don't have to do
the preventDefault thing.
On 06/12/2006, at 11:50 AM, Deepa Subramaniam wrote:
That’s actually not true. dropEnabled just indicates that a control
allows
I think you're right Steve. I have asked myself the same question in
the past and ended up using bindProperty… When you say function set
():void or function get ():Something you're really telling the method
to masquerade as a property, so it makes sense that you can treat it
as such. I
Hi Benjamin,
Would you mind explaining how you go about using an embedded SWF in a
desktop application. Is there an API for doing that kind of thing?
Cheers,
Lach
On 04/12/2006, at 6:23 PM, benjidudu wrote:
Hi,
I am doing a desktop application with an embedded swf. I'd like using
FDS but
Hi John,
Sorry if I missed the point but I'm not entirely clear on what you're
trying to do here. Do you want to unmarshal your XML into an object
graph of custom classes? I don't understand how the multiple
renderers comes into it. What is the XML describing? Is it a result
set or
Hi Adobe Team,
Is this the right forum to talk about Flex Builder features? I have
often found myself in situations where it would be very handy to say
something like this.
[Bindable] public var firstName:String;
[Bindable] public var lastName:String;
Hi,
I have a List control with custom item renderers. The renders have
two alternate states and I am using a transition to move between them.
The problem seems to be that when the list is scrolled, state change
events get fired on the renderers which have just come into view. I
think I
Your validateForm() function tries to call a method on a variable
which is null. I'm not sure exactly where you have gone wrong as
your example code is incomplete. Set a break point in the validateForm
() function and run it in the debugger so you can which line throws
the error.
Cheers,
You can also create state objects on-the-fly with ActionScript. This
allows you to paramatise the 'state of the state', which might be a
more concise way to manage this task. Create / instantiate / modify
your existing state object, then set it to be current.
On 03/12/2006, at 11:04 AM,
Is there a better way?
The situation:
I have a list view displaying a collection of objects with item
renderers. I want the list view to respond to state change events
dispatched from the item renderers.
The solution (of sorts):
Created a new ClassFactory to instantiate the renderers
Hello Arpan,
There's nothing wrong with the way you have done it. Consider, if you
create child components for each of the rectangles, you will have to
create a new class and paramatise it so they know what colour to
draw, then you will have to instantiate them, using up memory and
Hi Dan,
I don't have any experience with charting components, but is there a
way to test if the effects are triggered? Do you need to use an
ArrayCollection instead of a plain array to manipulate the series
information? I believe this makes a difference with binding-related
behaviours.
Hi Arpan,
What would you _like_ to have happen?
On 26/11/2006, at 5:52 PM, arpan srivastava wrote:
Hi,
I am drawing a stack which contans rectangles of different
depending on some value. rectangles are drawn but they are
overlapping each other by 1 or 2 pixels at the end.
I have to
Something that troubles me about the Cairngorm architecture is the
apparent lack of any proper domain model. Although it is argued that
the domain model actually exists on the server and that the Flex
client is essentially a view, I have always found it necessary to
construct some kind of
Hi Pablo,
I'm not sure this is the best answer to your question but as far as I
know the Text component is the right choice for displaying multi-
line, non-editable text. If you want your users to be able to edit
the text, you can use a TextArea instead.
I'm don't know of a way to do
Hi Misael,
That would be useful as ActionScript string concatenation operations
are fairly clumsy with more than a few pieces. Unfortunately the AS
String class doesn't seem to have such functionality. It's not so
hard to roll your own, because you don't need to worry about the
various
Hi Alex,
Item renderers aren't really aware of the wider context in which they
are show (i.e. as one item in a collection). They are only concerned
with how to render the particular data object that is passed to them.
If you want to render some kind of index number on the view, your
best
Hi Matze,
I'm curious how you are measuring the 5mb that is apparently leaked
on each call to your pop-up.
Cheers,
Lach
On 30/11/2006, at 4:03 AM, matze.kueby wrote:
Hello,
My second question is how to delete a component out of storage.
We have some own components (basically forms),
Hi Flexy,
If you create a popup window using the PopupManager than it is not
part of the normal view hierarchy and so it will not create scroll
bars on the application object, even if it is placed partially out of
the visible region. Pop-ups float above the main application window
so
Hey Ben,
First off, if you're allowing your user to manipulate multiple
objects at once, you might consider using the multiple selection
abilities of the DataGrid (allowMultipleSelection=true) and allow the
user to select the rows that way.
Second, if the action of a button is effecting
Hi List,
Is it possible to use the disclosure triangle from the Tree view
control outside of a tree view? I want to use it to switch between
states on an item renderer (a collapsed, summary state, and a full,
detail state). There doesn't seem to be a disclosure triangle component.
Cheers,
a Button that has 'toggle' set to true and skinned
with triangle graphics?
- Gordon
From: flexcoders@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Lachlan Cotter
Sent: Thursday, November 30, 2006 5:38 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Disclosure triangles
Hi
Hi Sergey,
I'm not sure what you mean by 'cut by mask'. Is the text being
obscured? When I tried your example code it performed as expected
without issues.
Cheers,
Lach
On 27/11/2006, at 10:25 PM, Sergey Kovalyov wrote:
Hi All!
When Text instance is in scrollable Box and user scrolls
Hi Ben,
Your problem is probably that you have not told Flex when it needs to
fire the binding. The binding mechanism works by broadcasting events
from the setter methods of bindable properties. If there is no direct
setter involved, then Flex does not automatically know to refresh the
Sounds like you want to say:
Alert.show(your message here)
That will give you a simple pop-up with your confirmation text.
If you want to use a custom component for your pop-up, investigate
the PopupManager class.
Cheers,
Lach
On 28/11/2006, at 10:41 PM, munene_uk wrote:
I have built a
Hi,
That is an architecture question so it depends on how you have
decided delegate responsibilities in your application. As a general
guide however: your pop-up windows are views and should be separated
from (have no knowledge of) the service calls which are an interface
to the
Hi,
That is an architecture question so it depends on how you have
decided delegate responsibilities in your application. As a general
guide however: your pop-up windows are views and should be separated
from (have no knowledge of) the service calls which are an interface
to the
Why don't you just test the length of the matches element?
?xml version=1.0 encoding=utf-8?
mx:Application xmlns:mx=http://www.adobe.com/2006/mxml;
layout=absolute creationComplete=output()
mx:Script
![CDATA[
[Bindable]
Hi List,I want to be able to serialise and de-serialise ActionScript objects to XML so they can sent to a server application. I would prefer to write a method for this once that can handle any object. Unfortunately, the introspection API is sadly wanting (doesn't report private members), which
Hi List,I have a question about the initialisation rules for MXML components. My situation is as follows:I have defined a custom MXML component that extends the Canvas class (myComponent).MXML root node of the file, I put a Text element, assigning it an ID (myText).I define a setter method on
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