improved GUI - use SpringLayout

beamercontrol/src/ch/bergernet/beamerControl/BeamerControlGUI.java

@@ -2,14 +2,14 @@
 
 import java.awt.Container;
 import java.awt.EventQueue;
-import java.awt.GridLayout;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 
 import javax.swing.JButton;
 import javax.swing.JFrame;
 import javax.swing.JLabel;
 import javax.swing.JTextField;
+import javax.swing.SpringLayout;
 
 import ch.bergernet.plugins.infocus.InfocusControlPlugin;
 
@@ -21,49 +21,73 @@ public class BeamerControlGUI {
 	private JTextField fieldURL = new JTextField();
 
 	private BeamerControlPlugin control;
-	
+
 	/**
 	 * Initialize the contents of the frame
 	 */
 	private void createContents() {
 		frame = new JFrame();
-		//frame.setBounds(100, 100, 500, 375);
+		frame.setBounds(100, 100, 300, 100);
 		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-		
+
 		Container container = frame.getContentPane();
-		container.setLayout( new GridLayout(1, 3) );
+		SpringLayout layout = new SpringLayout();
+		container.setLayout(layout);
 
 		btnConnect.setText("Connect");
 		btnConnect.setSize(100, 20);
-		
+
 		lblURL.setText("URL");
 		lblURL.setSize(50, 20);
-		
+
 		fieldURL.setText("tcp://localhost:8888");
 		fieldURL.setSize(150, 20);
-		
+
 		ActionListener btnConnectActionListener = new AnActionListener();
-		btnConnect.addActionListener(btnConnectActionListener); 
+		btnConnect.addActionListener(btnConnectActionListener);
 
 		container.add(lblURL);
 		container.add(fieldURL);
 		container.add(btnConnect);
-
-		frame.pack();
+
+		// Adjust constraints for the label so it's at (5,5).
+		layout.putConstraint(SpringLayout.WEST, lblURL, 5, SpringLayout.WEST,
+				container);
+
+		layout.putConstraint(SpringLayout.NORTH, lblURL, 5, SpringLayout.NORTH,
+				container);
+
+		// Adjust constraints for the text field so it's at
+		// (<label's right edge> + 5, 5).
+		layout.putConstraint(SpringLayout.WEST, fieldURL, 5, SpringLayout.EAST,
+				lblURL);
+
+		layout.putConstraint(SpringLayout.WEST, btnConnect, 5,
+				SpringLayout.EAST, fieldURL);
+
+		layout.putConstraint(SpringLayout.NORTH, fieldURL, 5,
+				SpringLayout.NORTH, container);
+
+		layout.putConstraint(SpringLayout.NORTH, btnConnect, 5,
+				SpringLayout.NORTH, container);
+
+		// frame.pack();
 		frame.setVisible(true);
 	}
-	
-	class AnActionListener implements ActionListener{
-	    public void actionPerformed(ActionEvent actionEvent){
+
+	class AnActionListener implements ActionListener {
+		public void actionPerformed(ActionEvent actionEvent) {
 			String url = fieldURL.getText();
 			System.out.println("connection url: " + url);
 			control.connect(url);
-			System.out.println("connection state: " + control.getConnectionState().isConnected());
-	    }
-	}	
-
+			System.out.println("connection state: "
+					+ control.getConnectionState().isConnected());
+		}
+	}
+
 	/**
 	 * Launch the application
+	 * 
 	 * @param args
 	 */
 	public static void main(String args[]) {
@@ -84,6 +108,6 @@ public void run() {
 	 */
 	public BeamerControlGUI() {
 		createContents();
-		control = new InfocusControlPlugin();	
+		control = new InfocusControlPlugin();
 	}
 }