Yes I know, but where is the documentation for a flex project ?
Sherif Abdou wrote:
> That is if you do an ActionScript Project instead of a FlexProject
>
> ----- Original Message ----
> From: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
> To: flexcoders@yahoogroups.com
> Sent: Sunday, January 20, 2008 1:05:32 PM
> Subject: Re: [flexcoders] Re: addchild
>
> Thanks, that helps alot.
>
> Why isn't this in the documentation ?
> http://livedocs. adobe.com/ labs/flex3/ html/help. html?content=
> Drawing_Vector_ Graphics_ 6.html
> <http://livedocs.adobe.com/labs/flex3/html/help.html?content=Drawing_Vector_Graphics_6.html>
>
> It uses import flash.display. Shape;, not import mx.core.UIComponent ;
>
> Or if it is somewhere else, where is it ?
>
> Here is the simplest version I could come up with.
> import mx.core.UIComponent ;
> public function makeSquare() :void
> {
> //make a new uicomponent
> var uic:UIComponent = new UIComponent( );
> uic.graphics. beginFill( 0xFF0000, 0.5);
> uic.graphics. drawRect( 0, 0, 100, 100);
> uic.graphics. endFill() ;
>
> //add the uicomponent to the flex displaylist
> this.addChild( uic);
> }
>
> Jim Hayes wrote:
> >
> > What you need to do in flex is the following: (off top of head and not
> > checked)
> >
> > //make a new uicomponent
> > var uic:UIComponent = new UIComponent( );
> >
> > var squareSize:uint = 100;
> > var square:Shape = new Shape();
> > square.graphics. beginFill( 0xFF0000, 0.5);
> > square.graphics. drawRect( 0, 0, squareSize, squareSize);
> > square.graphics. beginFill( 0x00FF00, 0.5);
> > square.graphics. drawRect( 200, 0, squareSize, squareSize);
> > square.graphics. beginFill( 0x0000FF, 0.5);
> > square.graphics. drawRect( 400, 0, squareSize, squareSize);
> > square.graphics. endFill() ;
> >
> > // add the shape to the uicomponents displaylist
> > uic.addChild( square);
> >
> > //add the uicomponent to the flex displaylist
> >
> > this.addChild( uic);
> >
> > It drove me a bit mad too, when I first used flex!
> >
> > If you wanted to, you could draw direct to the uicomponent' s graphics
> > instead, we had a conversation on this list in the past few days
> > covering that (Jason Merrill and Alex Harui mainly, with the odd post
> > from myself). You may encounter rather a lot of "fun" with resizing
> > though, as you'll see if you read those posts...
> > (Drawn objects acting as children to components?)
> >
> > hope that helps,
> >
> > Jim.
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED] ups.com
> <mailto:flexcoders%40yahoogroups.com> <mailto:flexcoders%
> 40yahoogroups. com>
> > on behalf of [EMAIL PROTECTED] org <mailto:info1%40reenie.org>
> <mailto:info1% 40reenie. org>
> > Sent: Sun 20/01/2008 15:56
> > To: [EMAIL PROTECTED] ups.com
> <mailto:flexcoders%40yahoogroups.com> <mailto:flexcoders%
> 40yahoogroups. com>
> > Subject: Re: [flexcoders] Re: addchild
> >
> > I'm still missing something very basic. Why would you think that a book
> > called "actionscript 3 animation"
> > uses only only flash.* classes throughout and avoids the mx.* classes
> > completely ? Doesn't Flex use actionscript 3? Doesn't it do animation?
> >
> > I bought lots of other books too, thinking they would apply to flex.,
> > such as Colin Moock's Essential Actionscript 3.0.
> > I would like to see an example of a ball that only uses mx classes.
> >
> > no kidding, I have looked and looked and looked and I don't see what you
> > might be referring to. I thought I have found it when I got to
> >
> > http://livedocs. adobe.com/ labs/flex3/ langref/mx/ graphics/
> package-detail. html
> <http://livedocs.adobe.com/labs/flex3/langref/mx/graphics/package-detail.html>
>
>
> > <http://livedocs. adobe.com/ labs/flex3/ langref/mx/ graphics/
> package-detail. html
> <http://livedocs.adobe.com/labs/flex3/langref/mx/graphics/package-detail.html>>
> >
> > but nothing from that page shows how to make a shape and apply the
> > graphics to it. It just uses existing components. It should have a
> > simple axample of making a shape and adding a stroke.
> >
> > http://livedocs. adobe.com/ labs/flex3/ langref/mx/ graphics/
> Stroke.html
> <http://livedocs.adobe.com/labs/flex3/langref/mx/graphics/Stroke.html>
> > <http://livedocs. adobe.com/ labs/flex3/ langref/mx/ graphics/
> Stroke.html
> <http://livedocs.adobe.com/labs/flex3/langref/mx/graphics/Stroke.html>>
> > talks about " The Graphics object to which the Stroke's styles are
> > applied." but the link is to flash.display
> > <http://livedocs. adobe.com/ labs/flex3/ langref/flash/
> display/package- detail.html
> <http://livedocs.adobe.com/labs/flex3/langref/flash/display/package-detail.html>
>
>
> > <http://livedocs. adobe.com/ labs/flex3/ langref/flash/
> display/package- detail.html
> <http://livedocs.adobe.com/labs/flex3/langref/flash/display/package-detail.html>>>
> >
> > I did a search for mx.display, no results.
> >
> > I tried the example in
> > http://livedocs. adobe.com/ labs/flex3/ html/help. html?content=
> Drawing_Vector_ Graphics_ 5.html
> <http://livedocs.adobe.com/labs/flex3/html/help.html?content=Drawing_Vector_Graphics_5.html>
>
>
> > <http://livedocs. adobe.com/ labs/flex3/ html/help. html?content=
> Drawing_Vector_ Graphics_ 5.html
> <http://livedocs.adobe.com/labs/flex3/html/help.html?content=Drawing_Vector_Graphics_5.html>>
> >
> > var squareSize:uint = 100;
> > var square:Shape = new Shape();
> > square.graphics. beginFill( 0xFF0000, 0.5);
> > square.graphics. drawRect( 0, 0, squareSize, squareSize);
> > square.graphics. beginFill( 0x00FF00, 0.5);
> > square.graphics. drawRect( 200, 0, squareSize, squareSize);
> > square.graphics. beginFill( 0x0000FF, 0.5);
> > square.graphics. drawRect( 400, 0, squareSize, squareSize);
> > square.graphics. endFill() ;
> > this.addChild( square);
> >
> > And it turns out that these built in methods do not create a
> > UIComponent either.
> > TypeError: Error #1034: Type Coercion failed: cannot convert
> > flash.display: :[EMAIL PROTECTED] to mx.core.IUIComponen t.
> >
> > What is going on here ? Is this because I'm using flex2 and not flex 3 ?
> >
> > Gordon Smith wrote:
> > >
> > > > The ball class is from the foundation action script 3 animation book
> > > > and there is no import mx.core.UIComponent ; in thier example.
> > > I'm not familiar with this book, but from the name I'd expect that
> > > they use only flash.* classes throughout and avoid the mx.* classes
> > > completely. You were trying to mix them by taking Ball and adding it
> > > into VBox. If you added Ball to a Sprite-based app (rather than an
> > > <mx:Application> -based app) you wouldn't have a problem. (You also
> > > wouldn't get automatic layout, etc.)
> > >
> > > > Can you suggest a book ?
> > >
> > > I'm afraid that I haven't had time to investigate what's out there,
> > > but I expect that others on the list will have suggestions.
> > >
> > > > It just blows my mind how bad the documentation is
> > >
> > > We've heard before that our examples are either too simple or too
> > > complex. Do you have any suggestions for specific basic concepts that
> > > aren't properly covered, or intermediate- level examples that would be
> > > useful? If so, I'll pass them on to the doc team.
> > >
> > > Gordon Smith
> > > Adobe Flex SDK Team
> > >
> > > ------------ --------- --------- --------- --------- --------- -
> > > *From:* [EMAIL PROTECTED] ups.com
> <mailto:flexcoders%40yahoogroups.com>
> > <mailto:flexcoders% 40yahoogroups. com>
> > [mailto:[EMAIL PROTECTED] ups.com
> <mailto:flexcoders%40yahoogroups.com> <mailto:flexcoders%
> 40yahoogroups. com>]
> > > *On Behalf Of [EMAIL PROTECTED] org <mailto:%2Ainfo1%40reenie.org>
> <mailto:%2Ainfo1% 40reenie. org>
> > > *Sent:* Thursday, January 17, 2008 11:37 PM
> > > *To:* [EMAIL PROTECTED] ups.com
> <mailto:flexcoders%40yahoogroups.com> <mailto:flexcoders%
> 40yahoogroups. com>
> > > *Subject:* Re: [flexcoders] Re: addchild
> > >
> > > I just use whatever I can get to work. I'm happy just using flex, and
> > > when I use some old flash its only because I don't know any better.
> > > The ball class is from the foundation action script 3 animation
> book and
> > > there is no import mx.core.UIComponent ; in thier example.
> > >
> > > When you say: If you're new to Flex, I suggest beginning with complete
> > > Flex examples that use standard Flex components and postponing
> trying to
> > > use Sprites-based classes.
> > >
> > > I'd do that if I could figure out how. The "live docs" are not
> good for
> > > learning form because the examples are either not complete or are way
> > > too complete with too many distracting bells and whistles. They
> need to
> > > start with basic building blocks but they don't seem to understand the
> > > concept. It just blows my mind how bad the documentation is. . Can you
> > > suggest a book ?
> > >
> > > Gordon Smith wrote:
> > > >
> > > > Built in to the Flash Player are low-level flash.* classes such as
> > > > Sprite. The Flex framework libraries contains higher-level mx.*
> > > > classes such as UIComponent, Button, Container, VBox, etc. which add
> > > > many capabilities beyond those in the Player.
> > > >
> > > > The Flex framework was designed with the assumption that most
> > > > developers would be delighted with the greater capabilities of
> > > > the high-level classes and not have much interest in the low-level
> > > > ones, which are primitive by comparison. In hindsight, this was
> > > > wrongheaded. Many people like you want to mix the two -- generally
> > > > because the low-level classes can have greater performance or
> smaller
> > > > code size, or because you're bringing over code from the
> > > > Flash-not-Flex world -- and it isn't as easy as it should be to mix
> > > > them. I hope we can do better in a future release.
> > >
> > > >
> > > > You write AS3 code to use both flash.* and mx.* classes, and,
> once you
> > > > understand a few rules, you can use both sets of classes in a Flex
> > > > application. But it isn't completely trivial, so it's dangerous to
> > > > just take a simple Sprite-based class and expect it to "just
> work" in
> > > > Flex.
> > > >
> > > > The problem you're running into here is that Flex Containers such as
> > > > VBox assume that their children are high-level UIComponents rather
> > > > than just low-level Sprites. One reason is that containers do
> > > > automatic layout management, which requires code in the children to
> > > > report how big the child wants to be, etc.
> > > >
> > > > So currently you have to work around this assumption by doing things
> > > > like creating an intermediate UIComponent to parent the Sprite or
> > > > adding the Sprite to the Container as a "raw" child (see the
> > > > rawChildren property).
> > > >
> > > > If you're new to Flex, I suggest beginning with complete Flex
> examples
> > > > that use standard Flex components and postponing trying to use
> > > > Sprites-based classes. You'll make more progress, gain
> confidence, and
> > > > then be in a better position to understand how to take advantage of
> > > > Sprites later.
> > >
> > > >
> > >
> > >
> >
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