On 11/17/2010 02:20 PM, Kellomaki Pertti (Nokia-MS/Tampere) wrote:
> What is the recommended way to parametrize QML items? What I would like
> to achieve is something the following. The intent is to create a Foo
> where one part of the visual appearance is given by the bar property.
>
> Foo { bar: Text { text: "bar text" } }
> Foo { bar: Image { source: "bar-image.png" } }
>
> Looking at SpinBox.qml in the custom branch of qt-components [1], I see
> that one way to do this is to use a Loader element as a place holder
> inside the definition of Foo, and set it up in the onLoaded handler.
> This is clear enough, though it does look like a bit roundabout way of
> doing things.
First try to use a simple direct property binding:
main.qml:
import Qt 4.7
Rectangle {
width: 200; height: 200
Foo { bar: Text { text: "bar text" } }
Foo { bar: Image { source: "bar-image.png" } }
}
Foo.qml:
import Qt 4.7
Rectangle {
property Item bar
children: bar
}
The parametrized bar item doesn't have to be a direct child of Foo
either. Another way is to use the onBarChanged signal to Do What You
Want(tm), for example if you need to anchor the item.
Regards,
Tomas
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