Marker interface for container controls.
Implementing this interface allows a container control to display a sap.ui.core.Placeholder. This requires the container control to implement the showPlaceholder
and hidePlaceholder
methods.
Optionally, the needPlaceholder
method can be implemented to defined, whether a placeholder is needed or not. If implemented, this method must return a boolean
. Depending on the return value, showPlaceholder
will be called or not.
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