layout managery

src/main/java/p30_swing/podstawy/Okno3b.java

+package p30_swing.podstawy;
+
+import java.awt.Color;
+import java.awt.Font;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+
+public class Okno3b {
+
+	public static void main(String[] args) {
+		JFrame frame = new JFrame("Nasza apka");
+		frame.setSize(600, 400);
+		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		
+		JLabel label1 = new JLabel("Hello world");
+		label1.setHorizontalAlignment(JLabel.CENTER);
+		// label1.setVerticalAlignment(JLabel.TOP);
+		label1.setFont(new Font("Arial", Font.BOLD, 40));
+		label1.setForeground(Color.BLUE);
+		label1.setOpaque(true);
+		label1.setBackground(Color.YELLOW);
+		frame.add(label1);
+		
+		// Domyślnym LayoutManagerem jest BorderLayout.
+		// On potrafi umieścić komponent w środku lub przy jednej z krawędzi określonej słowami "North", "South"...
+		JButton button1 = new JButton("Guzik 1");
+		button1.setFont(new Font("Arial", Font.BOLD, 32));
+		frame.add(button1, "North");
+		
+		JButton button2 = new JButton("Guzik 2");
+		button2.setFont(new Font("Arial", Font.BOLD, 32));
+		frame.add(button2, "South");
+		
+		frame.setVisible(true);
+	}
+
+}

src/main/java/p30_swing/podstawy/Okno3c_Border.java

+package p30_swing.podstawy;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.LayoutManager;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+
+public class Okno3c_Border {
+
+	public static void main(String[] args) {
+		JFrame frame = new JFrame("Nasza apka");
+		frame.setSize(600, 400);
+		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		
+		// Tutaj BorderLayout wskazujemy jawnie. W parametrach można podać odstęp
+		// LayoutManager layout = new BorderLayout();
+		LayoutManager layout = new BorderLayout(10, 25);
+		frame.setLayout(layout);
+		
+		JLabel label1 = new JLabel("Hello world");
+		label1.setHorizontalAlignment(JLabel.CENTER);
+		// label1.setVerticalAlignment(JLabel.TOP);
+		label1.setFont(new Font("Arial", Font.BOLD, 40));
+		label1.setForeground(Color.BLUE);
+		label1.setOpaque(true);
+		label1.setBackground(Color.YELLOW);
+		frame.add(label1);
+		
+		JButton button1 = new JButton("Guzik 1");
+		button1.setFont(new Font("Arial", Font.BOLD, 32));
+		// frame.add(button1, "North");
+		frame.add(button1, BorderLayout.NORTH);
+		
+		JButton button2 = new JButton("Guzik 2");
+		button2.setFont(new Font("Arial", Font.BOLD, 32));
+		frame.add(button2, BorderLayout.SOUTH);
+		
+		frame.setVisible(true);
+	}
+
+}

src/main/java/p30_swing/podstawy/Okno3d_Flow.java

+package p30_swing.podstawy;
+
+import java.awt.Color;
+import java.awt.FlowLayout;
+import java.awt.Font;
+import java.awt.LayoutManager;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+
+public class Okno3d_Flow {
+
+	public static void main(String[] args) {
+		JFrame frame = new JFrame("Nasza apka");
+		frame.setSize(600, 400);
+		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		
+		// LayoutManager layout = new FlowLayout();
+		LayoutManager layout = new FlowLayout(FlowLayout.CENTER, 20, 10);
+		frame.setLayout(layout);
+		
+		JLabel label1 = new JLabel("Hello world");
+		label1.setHorizontalAlignment(JLabel.CENTER);
+		// label1.setVerticalAlignment(JLabel.TOP);
+		label1.setFont(new Font("Arial", Font.BOLD, 40));
+		label1.setForeground(Color.BLUE);
+		label1.setOpaque(true);
+		label1.setBackground(Color.YELLOW);
+		frame.add(label1);
+		
+		JLabel label2 = new JLabel("Ala ma kota");
+		label2.setFont(new Font("Arial", Font.BOLD, 40));
+		frame.add(label2);
+		
+		JButton button1 = new JButton("Guzik 1");
+		button1.setFont(new Font("Arial", Font.BOLD, 32));
+		frame.add(button1);
+		
+		JButton button2 = new JButton("Guzik 2");
+		button2.setFont(new Font("Arial", Font.BOLD, 32));
+		frame.add(button2);
+		
+		frame.setVisible(true);
+	}
+
+}

src/main/java/p30_swing/podstawy/Okno3e_Box.java

+package p30_swing.podstawy;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.LayoutManager;
+
+import javax.swing.BoxLayout;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+
+public class Okno3e_Box {
+	// Tu używam już innego layoutu - BoxLayout
+	public static void main(String[] args) {
+		System.out.println("Początek main");
+		
+		JFrame okno = new JFrame("Nasza apka");
+		okno.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		okno.setSize(600, 400);
+		
+		LayoutManager layout = new BoxLayout(okno.getContentPane(), BoxLayout.Y_AXIS);
+		okno.setLayout(layout);
+		
+		JLabel label1 = new JLabel("Ala ma kota");
+		
+		label1.setHorizontalAlignment(JLabel.CENTER);
+		label1.setFont(new Font("Arial", Font.BOLD, 30));
+		label1.setForeground(Color.RED);
+		okno.add(label1);
+		
+		JLabel label2 = new JLabel("Ola ma psa");
+		label2.setHorizontalAlignment(JLabel.RIGHT);
+		label2.setFont(new Font("Arial", Font.ITALIC, 30));
+		label2.setForeground(Color.BLUE);
+		okno.add(label2);
+		
+		JButton button1 = new JButton("Kliknij mnie");
+		button1.setFont(new Font("Arial", Font.BOLD | Font.ITALIC, 30));
+		button1.setForeground(Color.GREEN);
+		okno.add(button1);
+
+		okno.setVisible(true);
+
+		System.out.println("Koniec main");
+	}
+
+}

src/main/java/p30_swing/podstawy/Okno3f_Grid.java

+package p30_swing.podstawy;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.GridLayout;
+import java.awt.LayoutManager;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+
+public class Okno3f_Grid {
+	public static void main(String[] args) {
+		System.out.println("Początek main");
+		
+		JFrame okno = new JFrame("Nasza apka");
+		okno.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		okno.setSize(600, 400);
+		
+		LayoutManager layout = new GridLayout(2, 2);
+		okno.setLayout(layout);
+		
+		JLabel label1 = new JLabel("Ala ma kota");
+		
+		label1.setHorizontalAlignment(JLabel.CENTER);
+		label1.setFont(new Font("Arial", Font.BOLD, 30));
+		label1.setForeground(Color.RED);
+		okno.add(label1);
+		
+		JLabel label2 = new JLabel("Ola ma psa");
+		label2.setHorizontalAlignment(JLabel.RIGHT);
+		label2.setFont(new Font("Arial", Font.ITALIC, 30));
+		label2.setForeground(Color.BLUE);
+		okno.add(label2);
+		
+		JButton button1 = new JButton("Kliknij mnie");
+		button1.setFont(new Font("Arial", Font.BOLD | Font.ITALIC, 30));
+		button1.setForeground(Color.GREEN);
+		okno.add(button1);
+
+		JButton button2 = new JButton("Guzik 2");
+		button2.setFont(new Font("Arial", Font.BOLD, 30));
+		button2.setForeground(Color.MAGENTA);
+		okno.add(button2);
+
+		okno.setVisible(true);
+
+		System.out.println("Koniec main");
+	}
+
+}