// @topic T11750 2D Graphics demo 04 -- controller and subject added
// @brief class <tt>ControllerDesign</tt> controls all data manipulation within the use case

package shopsimulation;

import java.awt.Graphics2D;
import java.util.ArrayList;

public class ControllerDesign {
    // data
    ArrayList< ISubject > subjectList = new ArrayList< ISubject >();
    // constructors
    public ControllerDesign()
    {
        subjectList.add( new SubjectShopper( 0, 0, true ) );
        subjectList.add( new SubjectShopper( 55, 0, true ) );
        subjectList.add( new SubjectShopper( 110, 0, true ) );
        subjectList.add( new SubjectShopper( 165, 0, true ) );
    }
    public void draw( Graphics2D gr2d )
    {
        for ( ISubject subject : subjectList ) {
            subject.move( 1, 0 );
            subject.draw( gr2d );
        }
    }
}