1.3 Swing Layouts

Question 1

Ce este Layout-ul ?

Answer 1

Layout-ul reprezinta modul in care vor fii aranjate controalele in cadrul containerului

Question 2

Care sunt Layout-urile din Swing ?

Answer 2

GroupLayout
BoxLayout
SpringLayout

Question 3

Care este Layout-ul implicit din NetBeans Designer ?

Answer 3

GroupLayout

Question 4

Cum sunt adaugate componentele intr-un container care foloseste BoxLayout?

Answer 4

Sunt adaugate una dupa alta, pe axa X sau pe axa Y in functie de setare.

Question 5

Creati un exemplu in care folosind BoxLayout, adaugati 8 butoane pe axa Y.

Answer 5

void initComponents() {
        this.setLayout(new BoxLayout(this.getContentPane(), BoxLayout.Y_AXIS));
        this.setSize(400, 400);
        this.setVisible(true);
    }

    public void addButtons() {
        for (int i = 0; i < 8; i++) {
            this.getContentPane().add(new JButton("Button " + i));
        }
    }

Question 6

Folosind layout-ul corespunzator, pozitionati un buton pe coordonatele 200 WEST, 150 NORTH

Answer 6

SpringLayout layout = new SpringLayout();
        this.setLayout(layout);

    layout. putConstraint(SpringLayout.WEST, button, 200, SpringLayout.WEST, this);
    layout. putConstraint(SpringLayout.NORTH, button, 200, SpringLayout.NORTH, this);