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From JP Bader ...@zavteq.com>
Subject Re: Spark datagrid - show extra row
Date Wed, 17 Jul 2013 17:53:00 GMT
Why not just add an empty record into your dg?  If you need it above and/or
below existing records, wouldn't a psuedo record, or an empty virtual
object be enough for the dg to create the row, but display nothing?


On Wed, Jul 17, 2013 at 12:24 PM, mark goldin <markzolotoy@gmail.com> wrote:

> I need that row(s) to appear anywhere in the datagrid. I will definitely
> look into your example, but I tried running it in FB 4.7 and did not work.I
> am getting this:
> undefined
> at
>
> mx.styles::StyleProtoChain$/getStyleManager()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\styles\StyleProtoChain.as:972]
> at
>
> mx.styles::StyleProtoChain$/matchesCSSType()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\styles\StyleProtoChain.as:781]
> at
>
> mx.core::UIComponent/matchesCSSType()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:10891]
> at
>
> mx.styles::CSSSelector/matchesStyleClient()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\styles\CSSSelector.as:242]
> at
>
> mx.styles::CSSStyleDeclaration/matchesStyleClient()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\styles\CSSStyleDeclaration.as:502]
> at
>
> mx.styles::StyleProtoChain$/matchStyleDeclarations()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\styles\StyleProtoChain.as:916]
> at
>
> mx.styles::StyleProtoChain$/getClassStyleDeclarations()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\styles\StyleProtoChain.as:114]
> at
>
> mx.core::UIComponent/getClassStyleDeclarations()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:10923]
> at
>
> mx.styles::StyleProtoChain$/initProtoChainForUIComponentStyleName()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\styles\StyleProtoChain.as:371]
> at
>
> mx.styles::StyleProtoChain$/initProtoChain()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\styles\StyleProtoChain.as:171]
> at mx.core::UIComponent/
> http://www.adobe.com/2006/flex/mx/internal::initProtoChain()[E
> :\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:10902]
> at
>
> mx.core::UIComponent/regenerateStyleCache()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:10965]
> at
>
> mx.core::Container/regenerateStyleCache()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:3760]
> at
>
> mx.styles::StyleProtoChain$/setStyle()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\styles\StyleProtoChain.as:700]
> at
>
> mx.core::UIComponent/setStyle()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:11130]
> at
>
> mx.core::Container/addEventListener()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:2412]
> at
>
> mx.managers::FocusManager/activate()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\managers\FocusManager.as:846]
> at
>
> mx.core::Application/initManagers()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Application.as:1386]
> at
>
> mx.core::Application/initialize()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Application.as:1019]
> at DataGridFooter/initialize()
> at mx.core::UIComponent/
> http://www.adobe.com/2006/flex/mx/internal::childAdded()[E
> :\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:7485]
> at
>
> mx.core::UIComponent/addChild()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:7166]
> at
>
> FooterDataGrid/createChildren()[C:\Phoenix_source\flexUI\DataGridFooter\src\FooterDataGrid.as:29]
> at
>
> mx.core::UIComponent/initialize()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:7624]
> at mx.core::UIComponent/
> http://www.adobe.com/2006/flex/mx/internal::childAdded()[E
> :\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:7485]
> at mx.core::Container/
> http://www.adobe.com/2006/flex/mx/internal::childAdded()[E
> :\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:3974]
> at
>
> mx.core::Container/addChildAt()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:2618]
> at
>
> mx.core::Application/addChildAt()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Application.as:1330]
> at
>
> mx.core::Container/addChild()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:2534]
> at
>
> mx.core::Container/createComponentFromDescriptor()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:4396]
> at
>
> mx.core::Container/createComponentsFromDescriptors()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:4183]
> at
>
> mx.core::Container/createChildren()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:3189]
> at
>
> mx.core::UIComponent/initialize()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:7624]
> at
>
> mx.core::Container/initialize()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:3131]
> at
>
> mx.core::Application/initialize()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Application.as:1049]
> at DataGridFooter/initialize()
> at mx.core::UIComponent/
> http://www.adobe.com/2006/flex/mx/internal::childAdded()[E
> :\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:7485]
> at
>
> mx.core::UIComponent/addChild()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:7166]
> at
>
> FooterDataGrid/createChildren()[C:\Phoenix_source\flexUI\DataGridFooter\src\FooterDataGrid.as:29]
> at
>
> mx.core::UIComponent/initialize()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:7624]
> at mx.core::UIComponent/
> http://www.adobe.com/2006/flex/mx/internal::childAdded()[E
> :\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:7485]
> at mx.core::Container/
> http://www.adobe.com/2006/flex/mx/internal::childAdded()[E
> :\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:3974]
> at
>
> mx.core::Container/addChildAt()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:2618]
> at
>
> mx.core::Application/addChildAt()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Application.as:1330]
> at
>
> mx.core::Container/addChild()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:2534]
> at
>
> mx.core::Container/createComponentFromDescriptor()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:4396]
> at
>
> mx.core::Container/createComponentsFromDescriptors()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:4183]
> at
>
> mx.core::Container/createChildren()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:3189]
> at
>
> mx.core::UIComponent/initialize()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:7624]
> at
>
> mx.core::Container/initialize()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:3131]
> at
>
> mx.core::Application/initialize()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Application.as:1049]
> at DataGridFooter/initialize()
> at mx.core::UIComponent/
> http://www.adobe.com/2006/flex/mx/internal::childAdded()[E
> :\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:7485]
> at
>
> mx.core::UIComponent/addChild()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:7166]
> at
>
> FooterDataGrid/createChildren()[C:\Phoenix_source\flexUI\DataGridFooter\src\FooterDataGrid.as:29]
> at
>
> mx.core::UIComponent/initialize()[E:\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:7624]
> at mx.core::UIComponent/
> http://www.adobe.com/2006/flex/mx/internal::childAdded()[E
> :\dev\4.5.1\frameworks\projects\framework\src\mx\core\UIComponent.as:7485]
> at mx.core::Container/
> http://www.adobe.com/2006/flex/mx/internal::childAdded()[E
> :\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:3974]
> at
>
> mx.core::Container/addChildAt()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:2618]
> at
>
> mx.core::Application/addChildAt()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Application.as:1330]
> at
>
> mx.core::Container/addChild()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:2534]
> at
>
> mx.core::Container/createComponentFromDescriptor()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:4396]
> at
>
> mx.core::Container/createComponentsFromDescriptors()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:4183]
> at
>
> mx.core::Container/createChildren()[E:\dev\4.5.1\frameworks\projects\mx\src\mx\core\Container.as:3189]
>
> in StyleProtoChain.as:
> private static function getStyleManager(object:Object):IStyleManager2
>     {
>         if (object is IFlexModule)
>             return
> StyleManager.getStyleManager(IFlexModule(object).moduleFactory); // Error
> here
>         else if (object is StyleProxy)
>             return getStyleManagerFromStyleProxy(StyleProxy(object));
>         else
>             return StyleManager.getStyleManager(null);
>     }
>
>
>
> On Wed, Jul 17, 2013 at 11:23 AM, Alex Harui <aharui@adobe.com> wrote:
>
> > On my blog I have an old example of wrapping an Ilist to insert rows in
> > the front.  You might be able to modify that to add rows at the end.
> >
> >
> > On 7/17/13 9:03 AM, "JP Bader" <jp@zavteq.com> wrote:
> >
> > >Will you ever know the row count?
> > >
> > >requestedMinRowCount for the minimum number of rows you might want (i.e.
> > >1)?
> > >
> > >Otherwise, I'm not sure I understand your question.
> > >
> > >Or just explicitly state "rowCount = 0" (or -1).
> > >
> > >
> > >On Wed, Jul 17, 2013 at 10:57 AM, mark goldin <markzolotoy@gmail.com>
> > >wrote:
> > >
> > >> Yes, exactly.
> > >>
> > >>
> > >> On Wed, Jul 17, 2013 at 10:55 AM, JP Bader <jp@zavteq.com> wrote:
> > >>
> > >> > I'm not sure I understand the question.  Are you asking how to
> display
> > >> one
> > >> > extra, empty row, irregardless of the array length of the
> > >>dataProvider?
> > >> >
> > >> >
> > >> > On Wed, Jul 17, 2013 at 10:53 AM, mark goldin <
> markzolotoy@gmail.com>
> > >> > wrote:
> > >> >
> > >> > > My original question is wrong. It has to say is not a part of
the
> > >> > > dataProvider.
> > >> > >
> > >> > >
> > >> > > On Wed, Jul 17, 2013 at 10:50 AM, JP Bader <jp@zavteq.com>
wrote:
> > >> > >
> > >> > > > You want an empty row?
> > >> > > >
> > >> > > > rowCount = {dg.dataProvider.length + 1}
> > >> > > >
> > >> > > > That help?
> > >> > > >
> > >> > > >
> > >> > > > On Wed, Jul 17, 2013 at 10:47 AM, mark goldin
> > >><markzolotoy@gmail.com
> > >> >
> > >> > > > wrote:
> > >> > > >
> > >> > > > > DataProvider is an ArrayCollection. I need an extra
row for a
> > >> > cosmetic
> > >> > > > > purpose.
> > >> > > > >
> > >> > > > >
> > >> > > > > On Wed, Jul 17, 2013 at 10:42 AM, JP Bader <jp@zavteq.com>
> > >>wrote:
> > >> > > > >
> > >> > > > > > Can you be more clear about what you're trying
to do?  What
> > >>does
> > >> > your
> > >> > > > > > dataprovider object look like?
> > >> > > > > >
> > >> > > > > > Are you trying to show a row of cumulative information?
>  This
> > >> > > question
> > >> > > > > > isn't that clear...
> > >> > > > > >
> > >> > > > > >
> > >> > > > > > On Wed, Jul 17, 2013 at 10:28 AM, mark goldin
<
> > >> > markzolotoy@gmail.com
> > >> > > >
> > >> > > > > > wrote:
> > >> > > > > >
> > >> > > > > > > I need to show a row in the grid that is
a part of
> > >> dataProvider.
> > >> > Is
> > >> > > > > > there a
> > >> > > > > > > way of doing this?
> > >> > > > > > >
> > >> > > > > > > Thanks
> > >> > > > > > >
> > >> > > > > >
> > >> > > > > >
> > >> > > > > >
> > >> > > > > > --
> > >> > > > > > JP Bader
> > >> > > > > > Principal
> > >> > > > > > Zavteq, Inc.
> > >> > > > > > @lordB8r | jp@zavteq.com
> > >> > > > > > 608.692.2468
> > >> > > > > >
> > >> > > > >
> > >> > > >
> > >> > > >
> > >> > > >
> > >> > > > --
> > >> > > > JP Bader
> > >> > > > Principal
> > >> > > > Zavteq, Inc.
> > >> > > > @lordB8r | jp@zavteq.com
> > >> > > > 608.692.2468
> > >> > > >
> > >> > >
> > >> >
> > >> >
> > >> >
> > >> > --
> > >> > JP Bader
> > >> > Principal
> > >> > Zavteq, Inc.
> > >> > @lordB8r | jp@zavteq.com
> > >> > 608.692.2468
> > >> >
> > >>
> > >
> > >
> > >
> > >--
> > >JP Bader
> > >Principal
> > >Zavteq, Inc.
> > >@lordB8r | jp@zavteq.com
> > >608.692.2468
> >
> >
>



-- 
JP Bader
Principal
Zavteq, Inc.
@lordB8r | jp@zavteq.com
608.692.2468

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