item.data
--- In flexcoders@yahoogroups.com, "veena_kris2003" <v.kri...@...> wrote:
>
> How do I extract the data portion of the item if the item looks like
> Object in the example below.
>
>
> --- In flexcoders@yahoogroups.com, Gordon Smith <gosmith@> 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
> > > >
> > >
> >
>
