Implemented multiple chat system

* Local saving of these and displaying the partner name
* Added display of timestamp in chat.

Closes #9

src/main/java/envoy/client/Chat.java

@@ -0,0 +1,58 @@
+package envoy.client;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.swing.DefaultListModel;
+
+import envoy.schema.Message;
+
+public class Chat {
+
+	public long chatPartnerID;
+	public List<Message> messageList;
+	DefaultListModel chatModel;
+	public Chat() {
+		chatPartnerID = 0;
+		chatModel = new DefaultListModel();
+		messageList = new ArrayList<Message>();
+	}
+	
+	public void setUserID(long givenUserID) {
+		chatPartnerID = givenUserID;
+	}
+	
+	public long getUserID() {
+		return chatPartnerID;
+	}
+	
+	public int getSize() {
+		return chatModel.getSize();
+	}
+	
+	public void addMessage(String message) {
+		chatModel.addElement(message);
+	}
+	
+	public String getMessageAt(int index) {
+		return (String) chatModel.getElementAt(index);
+	}
+	
+	@SuppressWarnings("unchecked")
+	public DefaultListModel<String> getModel() {
+		return chatModel;
+	}
+	
+	public int getListSize() {
+		return messageList.size();
+	}
+	
+	public void addMessageElement(Message message) {
+		messageList.add(message);
+	}
+	
+	public Message getMessageElement(int index) {
+		return messageList.get(index);
+	}
+	
+}

src/main/java/envoy/client/Client.java

@@ -154,4 +154,6 @@ public class Client {
 	 * @since Envoy 0.1
 	 */
 	public long getSenderID() { return user.getID(); }
+	
+	public User getClientUser() { return user;}
 }

src/main/java/envoy/client/ui/ChatWindow.java

@@ -6,6 +6,8 @@ import java.awt.Font;
 import java.awt.GridBagConstraints;
 import java.awt.GridBagLayout;
 import java.awt.Insets;
+import java.util.ArrayList;
+import java.util.List;
 
 import javax.swing.DefaultListModel;
 import javax.swing.JButton;
@@ -15,10 +17,12 @@ import javax.swing.JOptionPane;
 import javax.swing.JPanel;
 import javax.swing.JScrollPane;
 import javax.swing.JTextArea;
+import javax.swing.JTextPane;
 import javax.swing.ListSelectionModel;
 import javax.swing.SwingUtilities;
 import javax.swing.border.EmptyBorder;
 
+import envoy.client.Chat;
 import envoy.client.Client;
 import envoy.schema.Message;
 import envoy.schema.User;
@@ -44,10 +48,20 @@ public class ChatWindow extends JFrame {
 	private Client client;
 
 	private DefaultListModel<String>	messageListModel	= new DefaultListModel<>();
+	private List<Chat>					partnerChatList		= new ArrayList<Chat>();
 
+	@SuppressWarnings("null")
 	public ChatWindow(Client client) {
 		this.client = client;
 
+		Users chatUsers = client.getUsersListXml();
+
+		for (int i = 0; i < chatUsers.getUser().size(); i++) {
+			Chat userChat = new Chat();
+			userChat.setUserID(chatUsers.getUser().get(i).getID());
+			partnerChatList.add(userChat);
+		}
+
 		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 		setBounds(100, 100, 600, 800);
 		setTitle("Envoy");
@@ -55,7 +69,7 @@ public class ChatWindow extends JFrame {
 
 		contentPane.setBackground(new Color(0, 0, 0));
 		contentPane.setForeground(Color.white);
-		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
+		contentPane.setBorder(new EmptyBorder(0, 5, 0, 0));
 		setContentPane(contentPane);
 		GridBagLayout gbl_contentPane = new GridBagLayout();
 		gbl_contentPane.columnWidths	= new int[] { 1, 1, 1 };
@@ -90,7 +104,7 @@ public class ChatWindow extends JFrame {
 		gbc_scrollPane.gridx		= 1;
 		gbc_scrollPane.gridy		= 1;
 
-		gbc_scrollPane.insets = new Insets(10, 10, 10, 10);
+		gbc_scrollPane.insets = new Insets(0, 10, 10, 10);
 
 		contentPane.add(scrollPane, gbc_scrollPane);
 
@@ -137,8 +151,18 @@ public class ChatWindow extends JFrame {
 				final Message message = client
 					.createMessage(client.getSenderID(), recipientID, messageEnterTextfield.getText());
 				client.sendMessage(message);
-				appendMessageToChat(message);
+				Chat partnerChat = null;
+				for (int i = 0; i < partnerChatList.size(); i++) {
+					if (recipientID == partnerChatList.get(i).getUserID()) {
+						partnerChat = partnerChatList.get(i);
+						// System.out.println("partnerChatID: " + partnerChatList.get(i).getUserID());
+
+					}
+				}
+				appendMessageToChat(message, partnerChat);
 				messageEnterTextfield.setText("");
+				elementList.setModel(partnerChat.getModel());
+				contentPane.revalidate();
 			} catch (Exception e) {
 				JOptionPane.showMessageDialog(this,
 						"An exception occured while sending a message. See the log for more details.",
@@ -148,6 +172,22 @@ public class ChatWindow extends JFrame {
 			}
 		});
 
+		// Partner name display
+		JTextPane textPane = new JTextPane();
+		textPane.setBackground(new Color(0, 0, 0));
+		textPane.setForeground(new Color(255, 255, 255));
+
+		textPane.setFont(new Font("Arial", Font.PLAIN, 20));
+
+		GridBagConstraints gbc_partnerName = new GridBagConstraints();
+		gbc_partnerName.fill		= GridBagConstraints.HORIZONTAL;
+		gbc_partnerName.gridwidth	= 2;
+		gbc_partnerName.gridx		= 1;
+		gbc_partnerName.gridy		= 0;
+
+		gbc_partnerName.insets = new Insets(0, 10, 0, 10);
+		contentPane.add(textPane, gbc_partnerName);
+
 		JList<User> userList = new JList<>();
 		userList.setCellRenderer(new UserListRenderer());
 		userList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
@@ -156,6 +196,20 @@ public class ChatWindow extends JFrame {
 				@SuppressWarnings("unchecked")
 				JList<User> selectedUserList = (JList<User>) listSelectionEvent.getSource();
 				recipientID = selectedUserList.getModel().getElementAt(selectedUserList.getSelectedIndex()).getID();
+				Chat selectedChat = null;
+
+				for (int i = 0; i < partnerChatList.size(); i++) {
+					if (selectedUserList.getSelectedIndex() == partnerChatList.get(i).getUserID() - 1) {
+						selectedChat = partnerChatList.get(i);
+
+					}
+				}
+				User partner = getPartner();
+				System.out.println(partner.getName());
+				textPane.setText(partner.getName());
+				elementList.setModel(selectedChat.getModel());
+				contentPane.revalidate();
+
 			}
 		});
 
@@ -167,10 +221,11 @@ public class ChatWindow extends JFrame {
 		userList.setBorder(new EmptyBorder(5, 5, 5, 5));
 
 		GridBagConstraints gbc_userList = new GridBagConstraints();
+		gbc_userList.fill = GridBagConstraints.VERTICAL;
 		gbc_userList.gridx	= 0;
 		gbc_userList.gridy	= 1;
 		gbc_userList.anchor	= GridBagConstraints.PAGE_START;
-		gbc_userList.insets	= new Insets(10, 0, 10, 0);
+		gbc_userList.insets	= new Insets(0, 0, 10, 0);
 
 		contentPane.add(userList, gbc_userList);
 		contentPane.revalidate();
@@ -206,9 +261,25 @@ public class ChatWindow extends JFrame {
 	 * 
 	 * @param message The message to append
 	 */
-	private void appendMessageToChat(Message message) {
+	private void appendMessageToChat(Message message, Chat partnerChat) {
-		messageListModel.addElement("<html>" + "<p style=\"color:#d2d235\"> <b> <small>"
+		partnerChat.addMessage("<html>"
-				+ message.getMetaData().getSender() + "</b> </small>" + "<br>" + "<p style=\"color:white\">"
+				+ "<p style=\"color:#d2d235\"> <b> <small>"
-				+ getFirstTextContent(message) + "</span></html>");
+				+ client.getClientUser().getName() + " "
+				+ (message.getMetaData().getDate().getHour() + 2) + ":" //Dont know why this parameter 2 hours back.
+				+ message.getMetaData().getDate().getMinute() + ":"
+				+ message.getMetaData().getDate().getSecond()
+				//Dont know
+				+ "</b> </small>" + "<br>" + "<p style=\"color:white\">" + getFirstTextContent(message)
+				+ "</span></html>");
+		partnerChat.addMessageElement(message);
+	}
+
+	public User getPartner() {
+		Users	users	= client.getUsersListXml();
+		User	partner	= null;
+		for (int i = 0; i < users.getUser().size(); i++) {
+			if (users.getUser().get(i).getID() == recipientID) { partner = users.getUser().get(i); }
+		}
+		return partner;
 	}
 }