Yup,
"_DataGridStyle" isn't being added to the mixins in
_app_mx_managers_SystemManager
- Dan Freiman
On 10/22/07, Daniel Freiman <[EMAIL PROTECTED]> wrote:
>
> I haven't been able to recreate this bug in another app even if the app is
> inside the same project and I call the exact same classes/methods that
> create the error.
>
> However, I did find that the StyleManager(Imp) doesn't have a "DataGrid"
> selector. On applicationComplete I call:
>
> var obj:Object = StyleManager.getStyleDeclaration("DateChooser"); //
> returns a CSSStyleDeclaration
> var obj2:Object = StyleManager.getStyleDeclaration("DataGrid"); //
> returns null
>
> I think this is my problem. I'm not sure how to solve it yet. I've tried
> cleaning the project which didn't work. I guess if all else fails I can
> copy _DataStyleGrid.as from the generated folder and manually instantiate
> execute it, but I'd rather it work correctly if possible. Any
> thoughts/advice would be appreciated.
>
> Thanks,
>
> - Dan Freiman
>
> On 10/20/07, Alex Harui <[EMAIL PROTECTED]> wrote:
> >
> > The style chain is broken or damaged. I would debug into it. If you
> > can make a simple test case I'll take a look
> >
> >
> > ------------------------------
> >
> > *From:* [EMAIL PROTECTED] ups.com [mailto:[EMAIL PROTECTED] ups.com]
> > *On Behalf Of *Daniel Freiman
> > *Sent:* Saturday, October 20, 2007 9:34 AM
> > *To:* [email protected]
> > *Subject:* Re: [flexcoders] DataGrid not initializing default styles
> >
> >
> >
> > addPopUp is called the line before centerPopUp. Also, the second error
> > is thrown after user interaction with the PopUp (not user interaction with
> > the DataGrid though) so it's definitely been created already before the
> > second error.
> >
> > - Dan Freiman
> >
> > On 10/19/07, *Alex Harui* <[EMAIL PROTECTED]> wrote:
> >
> > Could you be centering a popup that hasn't been addPopUp'd?
> >
> >
> > ------------------------------
> >
> > * From:* [EMAIL PROTECTED] ups.com [mailto:[EMAIL PROTECTED] ups.com]
> > *On Behalf Of *Daniel Freiman
> > *Sent:* Friday, October 19, 2007 4:52 PM
> > *To:* [email protected]
> > *Subject:* Re: [flexcoders] DataGrid not initializing default styles
> >
> >
> >
> > Nope, it's just a plain DataGrid. All I touched was
> > percentWidth/Height, minColumnWidth, draggable/resizableColumns and
> > dataProvider. It's in the same popup as my earlier layout bug (Nested
> > containers inside a PopUp.) Although I haven't been able to recreate in a
> > contained example yet.
> >
> > - Dan Freiman
> >
> > On 10/19/07, *Alex Harui* <[EMAIL PROTECTED]> wrote:
> >
> > Did you subclass DG? Alter its styles?
> >
> >
> > ------------------------------
> >
> > * From:* [EMAIL PROTECTED] ups.com [mailto:[EMAIL PROTECTED] ups.com]
> > *On Behalf Of *Daniel Freiman
> > *Sent:* Friday, October 19, 2007 2:37 PM
> > *To:* flexcoders
> > *Subject:* [flexcoders] DataGrid not initializing default styles
> >
> >
> >
> > I'm getting a situation where a Datagrid is not initializing it's
> > default styles and is causing runtime errors when datagrid functions try to
> > retrieve and operate on styles that are null. I'm getting two errors which
> > I'm hoping will look familiar to someone:
> >
> > The first one occurs when the PopUpManager is validating a new popup
> > container of which the datagrid is a descendant:
> >
> > TypeError: Error #1009: Cannot access a property or method of a null
> > object reference.
> > at mx.controls::DataGrid/mx.controls:DataGrid::drawHeaderBackground
> > ()[C:\dev\flex_201_gmc\sdk\frameworks\mx\controls\DataGrid.as:2573]
> > at
> > mx.controls::DataGrid/mx.controls:DataGrid::updateDisplayList()[C:\dev\flex_201_gmc\sdk\frameworks\mx\controls\DataGrid.as:1257]
> >
> > at mx.core::UIComponent/validateDisplayList
> > ()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\UIComponent.as:5760]
> > at
> > mx.managers::LayoutManager/validateClient()[C:\dev\flex_201_gmc\sdk\frameworks\mx\managers\LayoutManager.as:858]
> >
> > at mx.core::UIComponent/validateNow
> > ()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\UIComponent.as:5218]
> > at
> > mx.managers::PopUpManagerImpl/centerPopUp()[C:\dev\flex_201_gmc\sdk\frameworks\mx\managers\PopUpManagerImpl.as:336]
> >
> > at mx.managers::PopUpManager$/centerPopUp
> > ()[C:\dev\flex_201_gmc\sdk\frameworks\mx\managers\PopUpManager.as:163]
> > at com.colorquick.improv.managers::PaneManager$/openPane()[C:\Documents
> > and Settings\Daniel\My Documents\Flex Builder
> > 2\Improv2\com\colorquick\improv\managers\PaneManager.as:98]
> > at
> > com.colorquick.improv.toolbars.controls::DAMBrowseLists/com.colorquick.improv.toolbars.controls:DAMBrowseLists::clickHandler()[C:\Documents
> > and Settings\Daniel\My Documents\Flex Builder
> > 2\Improv2\com\colorquick\improv\toolbars\controls\DAMBrowseLists.as:24]
> >
> > If I workaround this error, the second one gets thrown after the
> > dataprovider and columns properties are updated:
> >
> > TypeError: Error #1007: Instantiation attempted on a non-constructor.
> > at
> > mx.controls::DataGrid/mx.controls:DataGrid::drawSeparators()[C:\dev\flex_201_gmc\sdk\frameworks\mx\controls\DataGrid.as:2896]
> > at mx.controls::DataGrid/mx.controls:DataGrid::updateDisplayList
> > ()[C:\dev\flex_201_gmc\sdk\frameworks\mx\controls\DataGrid.as:1269]
> > at
> > mx.core::ScrollControlBase/mx.core:ScrollControlBase::setScrollBarProperties()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\ScrollControlBase.as:1084]
> > at mx.controls::DataGrid/mx.controls:DataGrid::configureScrollBars
> > ()[C:\dev\flex_201_gmc\sdk\frameworks\mx\controls\DataGrid.as:1791]
> > at
> > mx.controls.listClasses::ListBase/mx.controls.listClasses:ListBase::updateDisplayList
> > ()[C:\dev\flex_201_gmc\sdk\frameworks\mx\controls\listClasses\ListBase.as:2972]
> > at
> > mx.controls::DataGrid/mx.controls:DataGrid::updateDisplayList()[C:\dev\flex_201_gmc\sdk\frameworks\mx\controls\DataGrid.as:1208]
> > at mx.core::UIComponent/validateDisplayList
> > ()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\UIComponent.as:5760]
> > at
> > mx.managers::LayoutManager/mx.managers:LayoutManager::validateDisplayList()[C:\dev\flex_201_gmc\sdk\frameworks\mx\managers\LayoutManager.as:600]
> > at
> > mx.managers::LayoutManager/mx.managers:LayoutManager::doPhasedInstantiation()[C:\dev\flex_201_gmc\sdk\frameworks\mx\managers\LayoutManager.as:673]
> >
> > at Function/http://adobe.com/AS3/2006/builtin::apply()
> > at mx.core::UIComponent/mx.core:UIComponent::callLaterDispatcher2
> > ()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\UICompon ent.as:7909]
> > at
> > mx.core::UIComponent/mx.core:UIComponent::callLaterDispatcher()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\UICompon
> > ent.as:7852]
> >
> > - Dan Freiman
> >
> >
> >
> >
> >
> >
> >
>
>
