ConstraintsControlModel

Control the position/resize constraints of a morph inside a morph without any layout or a morph with a ConstraintLayout. A constraint is a policy that dictates how the different sides of a morph relate to its owner morph frame. This controller automatically creates ConstraintLayouts as needed to reify the constraints.

Constructor

new ConstraintsControlModel()

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Methods

selectHorizontalConstraint()

Same as setlectVerticalConstraint() but for horizontal direction.

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selectVerticalConstraint()

Configures the vertical constraint behavior of a morph. This applies when the morph is controlled by a ConstraintLayout. The following constraint behaviors are supported (By the ConstraintLayout): scale: this scales the morph along the vertial direction when the container resizes. move: this moves the morph along the vertical direction when the container resizes. (Also known as Bottom) fixed: this leaves the morph at a fixed vertical offset when the container resizes. (Also known as Top) resize: this resizes the morph by the same amount that the container resizes (Also known as Top and Botton) center: this moves the morph vertically via its relative center to the container as the container resizes.

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