Validation level: 5. CHI, UIST, CSCW and TOCHI paper publication
The attribute object extend the notion of direct manipulation for touch interfaces. They consist of UI attributes that are objectified and that can be interacted with.
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The user taps on a shape to activate the menu with available attributes.
The user then taps on another shape, presses and holds on an attribute and then it drags it on top of the first shape to apply the same style.
The user drags the attribute list to show the styles that are not yet applied to the shape.
The user applies the shadow style by tapping on it.
The attributes of the objects are reified into objects that can be reused on multiple shapes.
Seems to be optimised for touch interfaces and although the authors point out how ti can be ported to mouse-keyboard interfaces, I'm a bit sceptical that it works as good as it does with touch.