Merge pull request #9 from Prem0707/GSoC18

created a Login window

Author: prem0862

src/main/java/gov/doe/jgi/boost/ui/LoginFrame.java

@@ -0,0 +1,65 @@
+package gov.doe.jgi.boost.ui;
+import javax.swing.GroupLayout;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPasswordField;
+import javax.swing.JTextField;
+import javax.swing.SwingConstants;
+
+public class LoginFrame {
+
+	 public LoginFrame(){
+		JFrame frame = new JFrame("Login to BOOST");
+		frame.setSize(300, 150);
+		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		placeComponents(frame);
+        frame.setVisible(true);	
+	}
+	
+	private static void placeComponents(JFrame jFrame) {
+
+		GroupLayout layout = new GroupLayout(jFrame.getContentPane());
+	    jFrame.getContentPane().setLayout(layout);
+	    
+	    layout.setAutoCreateGaps(true);
+	    layout.setAutoCreateContainerGaps(true);
+
+		JLabel userLabel = new JLabel("User Name");
+	    JTextField userText = new JTextField(20);
+	    JLabel passwordLabel = new JLabel("Password");
+        JPasswordField passwordText = new JPasswordField(20);
+		JButton loginButton = new JButton("Submit");
+		JButton cancelButton = new JButton("Cancel");
+		
+		layout.setHorizontalGroup(layout.createSequentialGroup()
+				.addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING)
+						.addComponent(userLabel)
+						.addComponent(passwordLabel)
+						.addComponent(cancelButton))
+			    .addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING))
+			            .addComponent(userText)
+			            .addComponent(passwordText)
+			            .addComponent(loginButton)
+				);
+		
+		// we would like the buttons to be always the same size
+	    layout.linkSize(SwingConstants.HORIZONTAL, cancelButton, loginButton);
+		
+		layout.setVerticalGroup(layout.createSequentialGroup()
+				.addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
+						.addComponent(userLabel)
+				        .addComponent(userText))
+			    .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
+			    		.addComponent(passwordLabel)
+			            .addComponent(passwordText))
+			    .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
+			    		.addComponent(cancelButton)
+			            .addComponent(loginButton))
+			    );
+		
+		jFrame.pack();
+        jFrame.setLocationRelativeTo(null);
+        jFrame.setResizable(true);			
+   }
+}