package btdex.ui;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import javax.swing.BorderFactory;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JScrollBar;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import javax.swing.JTextPane;
import javax.swing.ListSelectionModel;
import javax.swing.ScrollPaneConstants;
import javax.swing.SwingUtilities;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.text.BadLocationException;
import javax.swing.text.Element;
import javax.swing.text.html.HTMLDocument;
import org.apache.commons.text.StringEscapeUtils;
import btdex.core.Globals;
import jiconfont.icons.font_awesome.FontAwesome;
import jiconfont.swing.IconFontSwing;
public class ChatPanel extends JPanel implements ActionListener, ListSelectionListener {
private static final long serialVersionUID = 144264934272036916L;
private static final int MAX_LENGTH = 280;
private static final String STYLE_SHEET =
".container-friend {\n" +
" border: 2px solid #bbbbbb;\n" +
" font-family: Dialog;\n" +
" padding: 4px;\n" +
" margin: 4px 0;\n" +
"}\n" +
".container-you {\n" +
" font-family: Dialog;\n" +
" padding: 4px;\n" +
" margin: 4px 0;\n" +
" text-align: left;\n" +
"}\n" +
".time {\n" +
" font-family: Dialog;\n" +
" font-size: small;\n" +
"}\n"
;
private static final String HTML_FORMAT
= "<style>" + STYLE_SHEET + "</style>"
+ "<div id=content> </div>"
;
private static final String FRIEND_CHAT_FORMAT = "<div class=\"container-friend\">\n" +
" <div>%s</div>\n" +
" <div class=\"time\">BURST-XXXX-X 11:00</div>\n" +
"</div>";
private static final String YOU_CHAT_FORMAT = "<div class=\"container-you\">\n" +
" <div align=\"right\">%s</div>\n" +
" <div align=\"right\" class=\"time\">You 11:01</div>\n" +
"</div>";
private JTextField inputField;
private JTextPane displayField;
private JPasswordField pinField;
private char []pin;
private JList<String> addressList;
private JButton btnSend;
private JScrollPane scrollPane;
public ChatPanel() {
super(new BorderLayout());
JPanel addressPanel = new JPanel(new BorderLayout());
addressPanel.setBorder(BorderFactory.createTitledBorder("Your contacts"));
addressList = new JList<>();
addressList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
addressList.setPreferredSize(new Dimension(300, 300));
addressPanel.add(addressList, BorderLayout.CENTER);
add(addressPanel, BorderLayout.LINE_START);
addressList.addListSelectionListener(this);
pinField = new JPasswordField(12);
pinField.addActionListener(this);
JPanel panelSendMessage = new JPanel(new BorderLayout());
inputField = new JTextField();
inputField.setToolTipText("Enter your message");
panelSendMessage.add(new Desc("Enter your message", inputField), BorderLayout.CENTER);
inputField.addActionListener(this);
inputField.setEnabled(false);
btnSend = new JButton("");
Icon sendIcon = IconFontSwing.buildIcon(FontAwesome.PAPER_PLANE_O, 24, btnSend.getForeground());
btnSend.setIcon(sendIcon);
btnSend.setToolTipText("Send your message");
btnSend.addActionListener(this);
btnSend.setEnabled(false);
panelSendMessage.add(new Desc(" ", btnSend), BorderLayout.EAST);
displayField = new JTextPane();
displayField.setContentType("text/html");
displayField.setEditable(false);
displayField.setText(HTML_FORMAT);
scrollPane = new JScrollPane(displayField);
scrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
JPanel panelCenter = new JPanel(new BorderLayout());
panelCenter.setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));
add(panelCenter, BorderLayout.CENTER);
panelCenter.add(scrollPane, BorderLayout.CENTER);
panelCenter.add(panelSendMessage, BorderLayout.SOUTH);
setSize(280, 400);
}
@Override
public void actionPerformed(ActionEvent e) {
if(e.getSource() == btnSend || e.getSource() == inputField) {
if(inputField.getText().length() == 0)
return;
if(inputField.getText().length() > MAX_LENGTH) {
Toast.makeText(Main.getInstance(), "Maximum length of a message is " + MAX_LENGTH +
" characters.", Toast.Style.ERROR).display(inputField);
return;
}
appendMeMyMessage(inputField.getText());
inputField.setText("");
inputField.requestFocus();
}
if(e.getSource() == pinField) {
pin = pinField.getPassword();
if(!Globals.getInstance().checkPIN(pin)) {
Toast.makeText(Main.getInstance(), "Invalid PIN", Toast.Style.ERROR).display(pinField);
return;
}
}
}
private String prepareHtmlString(String rawContent) {
return StringEscapeUtils.escapeXml10(rawContent);
}
private void appendRawHtmlChatContent(String html) {
HTMLDocument document = (HTMLDocument) displayField.getDocument();
Element contentElement = document.getElement("content");
try {
if (contentElement.getElementCount() > 0) {
Element lastElement = contentElement.getElement(contentElement.getElementCount() - 1);
document = (HTMLDocument) contentElement.getDocument();
document.insertAfterEnd(lastElement, html);
} else {
document.insertAfterStart(contentElement, html);
}
} catch (BadLocationException | IOException ignored) {
}
SwingUtilities.invokeLater(() -> {
JScrollBar bar = scrollPane.getVerticalScrollBar();
if(bar!=null)
bar.setValue(bar.getMaximum());
});
}
public void clearMessages() {
displayField.setText(HTML_FORMAT);
}
public void appendFriendMessage(String message) {
String htmlMessage = prepareHtmlString(message);
appendRawHtmlChatContent(String.format(FRIEND_CHAT_FORMAT, htmlMessage));
}
public void appendMeMyMessage(String message) {
String htmlMessage = prepareHtmlString(message);
appendRawHtmlChatContent(String.format(YOU_CHAT_FORMAT, htmlMessage));
}
public static void main(String[] args) {
IconFontSwing.register(FontAwesome.getIconFont());
JFrame f = new JFrame("Chat test");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
ChatPanel chat = new ChatPanel();
f.getContentPane().add(chat);
chat.appendFriendMessage("Message from friend");
chat.appendMeMyMessage("Message from me");
chat.appendFriendMessage("Another from friend");
chat.appendMeMyMessage("Another from me, but this is a very long message, very very very long message");
f.pack();
f.setLocationRelativeTo(null);
f.setVisible(true);
}
@Override
public void valueChanged(ListSelectionEvent e) {
}
}
