My message from earlier today never got posted. How do you add event listeners
to objects in the horizontalList. I added the event listeners to the objects
before I added the objects to the list. The event listener is not getting
called.
--- In flexcoders@yahoogroups.com, Gordon Smith <gosm...@...> wrote:
>
> You add child components which are UIComponents to a container like HBox.
>
> But you add data items to a list-based control like HorizontalList. These
> data items then get displayed by item renderers, which are children which get
> automatically created to display data items. The children are managed by the
> list, not by you... you manage the data, not the renderers.
>
> By default, data items are expected to have a 'label' property to display,
> unless you set the labelField or labelFunction of the list component. They
> can be plain Objects, or instances of data classes, or anything else, but
> typically they aren't visual components.
>
> Here's an example of adding two data items to a list using ActionScript.
>
> myList.dataProvider = new ArrayCollection();
> var item:Object;
> item = { label: "One", data: 1 };
> myList.dataProvider.addItem(item);
> item = { label: "Two", data: 2 };
> myList.dataProvider.addItem(item);
>
> Gordon Smith
> Adobe Flex SDK Team
>
> From: flexcoders@yahoogroups.com [mailto:flexcod...@yahoogroups.com] On
> Behalf Of veena_kris2003
> Sent: Friday, July 24, 2009 3:19 PM
> To: flexcoders@yahoogroups.com
> Subject: [flexcoders] Re: Question about a flex component
>
>
>
> Please help. The items are being added dynamically to the <mx:HorizontalList
> id="test" bottom="0" width="100%"
> backgroundColor="0x000000" horizontalScrollPolicy="on"
> verticalScrollPolicy="off"/> I debugged the code and the
> items are being added, but I can't see them in the UI.
> If I change mx:HorizontalList to mx:HBox I can see the items
> in the UI. What am I doing wrong?
>
> --- In flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com>,
> Gordon Smith <gosmith@> wrote:
> >
> > No, I don't have an example and don't have time to create one for you since
> > I'm a development engineer, not a support engineer. But here is what you
> > should try, learning as you go:
> >
> > 1. Create an app with an <mx:HorizontalList>.
> > 2. Make it show data items by assigning its dataProvider. Put in more data
> > items that will fit.
> > 3. Turn off its scrollbar by setting horizontalScrollPolicy="off".
> > 4. Create <mx:Button>s for "Previous" and "Next", positioned to the left
> > and right of the HorizontalList.
> > 5. In their 'click' handlers, put code like
> > horizontalList.horizontalScrollPosition += 1. Use -= for the Previous
> > button.
> >
> > Gordon Smith
> > Adobe Flex SDK Team
> >
> > From: flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com>
> > [mailto:flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com>] On
> > Behalf Of veena_kris2003
> > Sent: Thursday, July 23, 2009 4:42 PM
> > To: flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com>
> > Subject: [flexcoders] Re: Question about a flex component
> >
> >
> >
> > Do you mind posting an example. It sounds like this is what I was looking
> > for. I need a horizontal list component with an icon at the right end of
> > the component that I can click and scroll to more items.
> >
> > Thanks,
> >
> > Veena
> >
> > --- In
> > flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com><mailto:flexcoders%40yahoogroups.com>,
> > Gordon Smith <gosmith@> wrote:
> > >
> > > Why not just allow scrolling instead of paging? Scrolling components can
> > > scroll through thousands of items quickly.
> > >
> > > Suppose there are 100 items and you can only see 10 at a time. So first
> > > you see 0-9. When you click the icon you see 10-19. When you click it
> > > again you'd see 20-29. So you'd need another icon ("previous page"
> > > instead of "next page") to go back to 10-19 and then 0-9.
> > >
> > > Gordon Smith
> > > Adobe Flex SDK Team
> > >
> > > From:
> > > flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com><mailto:flexcoders%40yahoogroups.com>
> > >
> > > [mailto:flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com><mailto:flexcoders%40yahoogroups.com>]
> > > On Behalf Of veena pandit
> > > Sent: Thursday, July 23, 2009 10:22 AM
> > > To:
> > > flexcoders@yahoogroups.com<mailto:flexcoders%40yahoogroups.com><mailto:flexcoders%40yahoogroups.com>
> > > Subject: [flexcoders] Question about a flex component
> > >
> > >
> > > Hi,
> > >
> > > I am new to Flex. I am looking for help on designing a custom component
> > > that will
> > > hold a lot of items. When the items exceed the number that are visible in
> > > the ui
> > > of this horizontal component on the webpage an icon appears, which if you
> > > click
> > > will show a list of the other components you can click again and restore
> > > the ui with
> > > that item. Hope you understand what I am talking about. If not please
> > > post for clarification.
> > >
> > > Thanks in advance,
> > >
> > > Veena
> > >
> >
>
