RE: [flexcoders] DataGridColumn display issue

Husain Kitabi Fri, 14 Oct 2005 10:05:03 -0700

OTT?

Please tell me about labelFunction.

Thanks

Husain

Allen Manning <[EMAIL PROTECTED]> wrote:

Custom cell renderer might be a bit OTT for this, labelFunction would be a
good start.

Best,
Allen

-----Original Message-----
From: [email protected] [mailto:[EMAIL PROTECTED] On
Behalf Of Darron J. Schall
Sent: 14 October 2005 14:10
To: [email protected]
Subject: Re: [flexcoders] DataGridColumn display issue

Husain Kitabi wrote:

> I tried to use
> > headerText="Classgroup Venue" />
> > headerText="Classgroup Capacity"/>
> > headerText="Module"/>
>
>
> The first 2 columns are fine. But module.moduleName - it does not
> display anything. Has anybody done something like this. Pl advise.

You need to create a custom cell renderer. The default cell renderer
only allows you to go "1 deep" into an object, so you have to createa
cell renderer that can understand column names that use a path to get
deeper into a object.

Heres some partial code to give you an idea.. the entire cell renderer
will be found in Flex By Example with sample usage. This code would go
inside a "PathCellRenderer.as" file that creates a Label component to
render text.

private function setValue( str:String, item:Object, selection:String
):Void
{
if ( item == undefined ) {
label.visible = false;
return;
}

label.visible = true;

// Split up the complex path into pieces
var path = getDataLabel().split(".");
// "dot down" to the item to display
var toDisplay = item[ path[0] ];
for ( var i:Number = 1; i < path.length; i++ ) {
toDisplay = toDisplay[ path[i] ];
}

label.text = toDisplay;
}

Flex by example will ship on October 24th, I believe. :-)

-d

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RE: [flexcoders] DataGridColumn display issue

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