SelectParticipantsFrame.java

package no.ntnu.fp.gui;

import java.awt.Component;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Vector;

import javax.swing.AbstractAction;
import javax.swing.DefaultListSelectionModel;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.ListCellRenderer;
import javax.swing.JButton;
import javax.swing.ListModel;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;

import no.ntnu.fp.model.Meeting;
import no.ntnu.fp.model.User;
import no.ntnu.fp.model.Meeting.State;
import no.ntnu.fp.net.network.client.CommunicationController;


public class SelectParticipantsFrame implements ListCellRenderer {
	
	
	@Override
	public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
		JPanel panel = new JPanel();
		
		User user = (User)list.getModel().getElementAt(index);
		
		panel.add(new JLabel(user.getName()));
		panel.add(new JCheckBox("", isSelected));
		
		return panel;
	}
	
	@SuppressWarnings("deprecation")
	public static void main(String[] args) {
		
		Meeting m = new Meeting();
		m.addParticipant(new User("havard"), State.Pending);
		m.addParticipant(new User("andy"), State.Pending);
		
		JFrame frame = new ListRenderingFrame(m);
		frame.setResizable(false);
		frame.setLocationRelativeTo(null);
		frame.show();
	}
}

class ListRenderingFrame extends JFrame implements ListSelectionListener {
	
	/**
	 * 
	 */
	private Meeting model;
	private ListModel listModel;
	private ListSelectionModel selectionModel;
	private CancelAction cAction;
	
	public ListRenderingFrame(Meeting meeting) {
		
		this.model = meeting;
		
		JLabel labelUsers = new JLabel("Brukere", JLabel.CENTER);
		labelUsers.setFont(new Font("sansserif", Font.BOLD, 26));
		
		JButton saveButton = new JButton(new SaveAction("Lagre"));
		cAction = new CancelAction("Avbryt", meeting);
		JButton cancelButton = new JButton(cAction);
	
		JPanel participantButtons = new JPanel();
		participantButtons.add(saveButton);
		participantButtons.add(cancelButton);
		
		setTitle("Oversikt over brukere");
		setSize(380,360);
		addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e) {
				cAction.actionPerformed(null);
			}
		});
		
		
		
		JList list = new JList(getListOfAllUsers());
		
		
		list.setSelectionModel(new DefaultListSelectionModel() {
		    /**
			 * 
			 */
			private static final long serialVersionUID = 1L;

			
			
			@Override
		    public void setSelectionInterval(int index0, int index1) {
		        if(super.isSelectedIndex(index0)) {
		            super.removeSelectionInterval(index0, index1);
		        }
		        else {
		            super.addSelectionInterval(index0, index1);
		        }
		    }
		});
		
		listModel = list.getModel();
		selectionModel = list.getSelectionModel();
		
		for(int i = 0; i < list.getModel().getSize(); i++) {
			User user = (User)list.getModel().getElementAt(i);
			if (meeting.getParticipants().contains(user)) {
				list.setSelectedIndex(i);
			}
		}
		
		list.setCellRenderer(new SelectParticipantsFrame());
		JScrollPane scrollPane = new JScrollPane(list);
		
		JPanel p = new JPanel();
		p.add(scrollPane);
		list.addListSelectionListener(new ListSelectionListener() {
			
			@Override
			public void valueChanged(ListSelectionEvent arg0) {
				if (!arg0.getValueIsAdjusting()) {
					int index = selectionModel.getAnchorSelectionIndex();
					if (selectionModel.isSelectedIndex(index)) {
						User user = (User)listModel.getElementAt(index);
						model.addParticipant(user, State.Pending);
					}
					else if (!selectionModel.isSelectedIndex(index)) {
						User user = (User)listModel.getElementAt(index);
						model.removeParticipant(user);
					}
					System.out.println(model);
					System.out.println("------------------------------");
				}
				
				
			}
		});
		
		getContentPane().add(labelUsers, "North");
		getContentPane().add(p, "Center");
		getContentPane().add(participantButtons, "South");
		setLocationRelativeTo(null);
		setDefaultCloseOperation(DISPOSE_ON_CLOSE);
		setLocationRelativeTo(null);
		setVisible(true);
	
	}
	private Vector getListOfAllUsers() {
		/*Vector users = new Vector();
	
		User user = new User("havard");
		user.setName("Håvard Wormdal Høiby");
		User p1 = new User("bjorn");
		p1.setName("Bjørn Åge Tungesvik");
		User p2 = new User("odd");
		p2.setName("Odd Magnus Trondrud");
		User p3 = new User("andy");
		p3.setName("Andre Philipp");
		User p4 = new User("eivind");
		p4.setName("Eivind Kvissel");
		User p5 = new User("tina");
		p5.setName("Tina Syversen");

		users.add(user);
		users.add(p1);
		users.add(p2);
		users.add(p3);
		users.add(p4);
		users.add(p5);*/
		
		CommunicationController c = CommunicationController.getInstance();
		List<User> users = c.getListOfUsers();

		return new Vector(users);
	}
	//Action for lagring av skjema
	private class SaveAction extends AbstractAction {
        private static final long serialVersionUID = 1L;

        public SaveAction(String text) {
        	super(text, null);
        }

        @Override
        public void actionPerformed(ActionEvent arg0) {

        	System.out.println("Lagre");
        	dispose();
        }
    }
    
    //Action for � avbryte skjema
    private class CancelAction extends AbstractAction {
        private static final long serialVersionUID = 1L;

        private Meeting model;
        
        private Map<User, State> savedState = new HashMap<User, State>();
        
        public CancelAction(String text, Meeting model) {
        	super(text, null);
        	this.model = model;
        	for(User user :model.getParticipants()) {
        		savedState.put(user, model.getState(user));
        	}
        }

        @Override
        public void actionPerformed(ActionEvent arg0) {
        	this.model.removeAllParticipants();
        	
        	for(User user : savedState.keySet()) {
        		this.model.addParticipant(user, State.Pending);
        	
        	}
        	System.out.println("Avbryt");
        	System.out.println(model);
        	dispose();
        }
    }

	@Override
	public void valueChanged(ListSelectionEvent arg0) {
		// TODO Auto-generated method stub
		
	}
}