Just read your last post a little more. To add an Image control, first create
a var:
private var myImage:Image;
Then in createChildren():
override protected function createChildren():void
{
super.createChildren();
if ( !myImage )
{
myImage = new Image();
addChild( myImage );
}
}
-TH
--- In [email protected], "turbo_vb" <timh...@...> wrote:
>
>
>
> Ok 2 things, better to change the image in the set data method and then
> invalidateDisplayList(); because updateDisplayList gets called a lot more
> frequently than than the data changes. And for the image, add an Image
> control to the UIComponent itemRenderer in createChildren. (remember to
> setActualSize and position in updateDisplayList). Then when the data
> changes, inspect it and change the source of the image to one of several
> embedded image classes in the itemRenderer. Something like:
>
> [Embed(source="../assets/butterfly.gif")]
> public var myButterfly:Class;
>
> [Embed(source="../assets/grassHopper.gif")]
> public var myGrassHopper:Class;
>
> public function set data(value:Object):void
> {
> // perform conditional logic here
> // don't know your code, so psuedo
> if ( butterfly )
> {
> myImage.source = myButterfly;
> }
>
> if ( grasshopper )
> {
> myImage.source = myGrasshopper;
> }
>
> super.invalidateDisplayList();
> }
>
> -TH
>
> --- In [email protected], Vivian Richard <kanpsack@> wrote:
> >
> > Thanks for the reply. I got the logic part. In updateDisplayList I get
> > the
> > data like data.item.type = spider or bee or butterfly .....
> >
> > so depending on the type I want to show the image of the insects. But
> > the problem is since this itemrenderer inherits UIComponent, I cannot
> > or do not know how to add an image on it.
> >
> >
> >
> >
> > On Tue, Nov 17, 2009 at 9:28 AM, turbo_vb <TimHoff@> wrote:
> >
> > >
> > >
> > > Thanks Vivian,
> > >
> > > For the plot chart, you can do the same type of thing, except with more
> > > images, with an itemRenderer. Just like the way you can change icons, or
> > > images, in a List itemRenderer, the same can be done with a chart. In the
> > > last sample, you can see how to inspect the data; to determine which image
> > > class to display. This next
> > > <http://www.timothyhoff.com/projects/ChartLabeledRendererSample/srcview/index.html>
> > > Sample<http://www.timothyhoff.com/projects/ChartLabeledRendererSample/ChartLabeledRendererSample.html>
> > > shows how you can use an itemRenderer that extends UIComponent. This is
> > > a little different than creating an itemRenderer that extends
> > > ProgrammaticSkin, as it gives you a lot more flexibility. Between the two
> > > samples, you might be able to come up with a solution. If you get stuck,
> > > please feel free to reach out.
> > >
> > > -TH
> > >
> > > --- In [email protected], Vivian Richard <kanpsack@> wrote:
> > > >
> > > > Liked your example. Sleek!!! By the way I am trying to write an
> > > > itemrenderer
> > > > for plot chart. Depending on the value of the plot item I want to show
> > > > different
> > > > icons in the plotted spot. These is an example of plot chart where you
> > > > can
> > > > embed an image but in that way you can only put same image in one
> > > > series.
> > > > Here is the link:
> > > >
> > > >
> > > >
> > > http://livedocs.adobe.com/flex/3/html/help.html?content=charts_formatting_12.html
> > > >
> > > > The butterfly example - I am talking about.
> > > >
> > > >
> > > >
> > > > On Mon, Nov 16, 2009 at 3:02 PM, turbo_vb TimHoff@ wrote:
> > > >
> > > > >
> > > > >
> > > > > Cool, yeah I should have said custom lineSegmentRenderer.
> > > > >
> > > > >
> > > > > -TH
> > > > >
> > > > > --- In [email protected] <flexcoders%40yahoogroups.com>, Jake
> > >
> > > > > Churchill reynacho@ wrote:
> > > > > >
> > > > > > THANK YOU. I have seen this before and I've been looking for it
> > > forever.
> > > > > > The stinking chart components are all in the dataviz SWC and I
> > > couldn't
> > > > > get
> > > > > > past a null error I was getting.
> > > > > >
> > > > > > On Mon, Nov 16, 2009 at 4:43 PM, turbo_vb TimHoff@ wrote:
> > > > > >
> > > > > > >
> > > > > > >
> > > > > > > Sorry bout that, let's try it again: Sample<
> > > > >
> > > http://www.timothyhoff.com/projects/LineRendererSample/LineRendererSample.html
> > > > > >
> > > > >
> > > > > > >
> > > > > > >
> > > > > > > -TH
> > > > > > >
> > > > > > > --- In [email protected] <flexcoders%40yahoogroups.com>,
> > > Jake
> > >
> > > > > Churchill <reynacho@> wrote:
> > > > > > > >
> > > > > > > > I've been trying something like this but item renders and actual
> > > > > segments
> > > > > > > of
> > > > > > > > the line seem to be drawn separately. By the way, your link
> > > doesn't
> > > > > work.
> > > > > > > >
> > > > > > > > On Mon, Nov 16, 2009 at 3:35 PM, turbo_vb TimHoff@ wrote:
> > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > Hi Jake,
> > > > > > > > >
> > > > > > > > > You could do it with a custom itemRenderer and control the
> > > alpha or
> > > > > > > actual
> > > > > > > > > drawing; based on a data property. Here's a custom renderer
> > > sample
> > > > > to
> > > > > > > get
> > > > > > > > > you started:
> > > > > > > > >
> > > > > > > > > Colored Line Chart Sample<
> > > > > > > http://www.flashcomguru.com/index.cfm/2009/11/11/pdf-for-flex-devs
> > > >
> > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > -TH
> > > > > > > > >
> > > > > > > > > --- In [email protected] <flexcoders%
> > > 40yahoogroups.com>,
> > >
> > > > > Jake Churchill reynacho@ wrote:
> > > > > > > > > >
> > > > > > > > > > I'm struggling with how to hide a section of a LineSeries.
> > > Does
> > > > > > > anyone
> > > > > > > > > have
> > > > > > > > > > any pointers or links to point me in the right direction?
> > > > > > > > > >
> > > > > > > > > > Thanks!
> > > > > > > > > >
> > > > > > > > > > -Jake
> > > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > >
> > >
> >
>
