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import java.awt.*;
import javax.swing.*;

/* This is the class that creates the Login panel with all the components to be able to login
 */

public class LoginPanel extends JPanel {
	
	//Two fields for username and password
	private JTextField loginField = new JTextField();
	private JPasswordField passField = new JPasswordField();

	public void paintComponent(Graphics g) {
			   g.drawImage(getClass().getResource("logga2.png"),0,0,null);
			   super.paintComponent(g);
			}

	public LoginPanel() {

		//Creates username and password labels and a login button
   	 	JButton loginB = new JButton("Login");
		JLabel user = new JLabel("Användarnamn:");
		JLabel pass = new JLabel("Lösenord:");

		//Creates gridbagconstraints for the componentes
		GridBagConstraints loginBCon = new GridBagConstraints();
		GridBagConstraints passFieldCon = new GridBagConstraints();
		GridBagConstraints loginCon = new GridBagConstraints();
		GridBagConstraints userCon = new GridBagConstraints();
		GridBagConstraints passCon = new GridBagConstraints();
		GridBagLayout layout = new GridBagLayout();
		
		setLayout(layout);

		//Sets the preferences for the components
		userCon.gridx = 0;
		userCon.gridy = 1;
		loginCon.gridx = 0;
		loginCon.gridy = 2;
		loginCon.weightx = 1;
		passCon.gridx = 0;
		passCon.gridy = 3;
		passFieldCon.gridx = 0;
		passFieldCon.gridy = 4;
		passFieldCon.weightx = 1;
		loginBCon.gridx = 0;
		loginBCon.gridy = 5;
		loginBCon.weightx = 1;
		passFieldCon.anchor = GridBagConstraints.CENTER;
		loginCon.anchor = GridBagConstraints.CENTER;
		loginBCon.anchor = GridBagConstraints.CENTER;

		loginCon.insets = new Insets(0, 0, 20, 0);
		loginBCon.insets = new Insets(60, 0, 0, 0);
		
		loginField.setPreferredSize(new Dimension (100, 25));
		passField.setPreferredSize(new Dimension (100, 25));
		
		//Adds key and action listener and requests focus for usernamefield.
		loginField.requestFocusInWindow(); 
		loginField.addKeyListener(new LoginKeyListener(this));
		passField.addKeyListener(new LoginKeyListener(this));
		loginB.addKeyListener(new LoginKeyListener(this));
		
		loginB.addActionListener(new LoginPanelListener(this));
		loginB.setActionCommand("login");

		//Adds all components to the panel
		add(pass, passCon);
		add(user, userCon);
		add(loginB, loginBCon);
		add(passField, passFieldCon);
		add(loginField, loginCon);
	}
	
	public JTextField getLoginField() {
		return loginField;
	}
	
	public JPasswordField getPassField() {
		return passField;
	}
}