/**
 * Features for a [FilePosition].
 *
 * For example, if we detect an error message, the the message can be highlighted,
 * and right-clicking the text will show the available features.
 * 
 * See Diff.feather - It uses FilePosition for each change.
 */
class BasicFilePosition : SimpleComponent() {

    // ==== Register ====

    override meth register() {
        addFeatures( Context.FILE_POSITION ).apply {

            val jumpTo = contextAction( "Jump to", ::jumpTo )

            contextMenu( jumpTo )
        }
    }
    
    // ==== Actions ====

    func jumpTo( context : Context ) {
        val position = context.value as FilePosition
        val container = openFile( position.file )
        if (container != null) {
            val behaviour = container.behaviour
            if (behaviour is TextBehaviour) {
                (behaviour as TextBehaviour).moveTo( position.row, position.column )
            }
        }
    }

}