/** Updates the chat message panel in the Swing event thread */
public void updateChatMessagePanel() {
// Ensure that we operate in the Swing event thread
if (!SwingUtilities.isEventDispatchThread()) {
SwingUtilities.invokeLater(
new Runnable() {
@Override
public void run() {
updateChatMessagePanel();
}
});
return;
}
// Set the title header
titleHeader.setText(
chatData != null ? NameUtils.getName(chatData.getId(), NameFormat.MEDIUM) : " ");
titleHeader.setVisible(chatData != null);
// Only enable send-function when there is chat data, and hence a target
sendBtn.setEnabled(chatData != null);
messageText.setEditable(chatData != null);
// Remove all components from the messages panel
messagesPanel.removeAll();
Insets insets = new Insets(0, 2, 2, 2);
Insets insets2 = new Insets(6, 2, 0, 2);
if (chatData != null && chatData.getMessageCount() > 0) {
// First, add a filler component
int y = 0;
messagesPanel.add(
new JLabel(""),
new GridBagConstraints(0, y++, 1, 1, 0.0, 1.0, NORTH, VERTICAL, insets, 0, 0));
// Add the messages
long lastMessageTime = 0;
for (EPDChatMessage message : chatData.getMessages()) {
// Check if we need to add a time label
if (message.getSendDate().getTime() - lastMessageTime > PRINT_DATE_INTERVAL) {
JLabel dateLabel =
new JLabel(
String.format(
message.isOwnMessage() ? "Sent to %s" : "Received %s",
Formatter.formatShortDateTimeNoTz(
new Date(message.getSendDate().getTime()))));
dateLabel.setFont(dateLabel.getFont().deriveFont(9.0f).deriveFont(Font.PLAIN));
dateLabel.setHorizontalAlignment(SwingConstants.CENTER);
dateLabel.setForeground(Color.LIGHT_GRAY);
messagesPanel.add(
dateLabel,
new GridBagConstraints(0, y++, 1, 1, 1.0, 0.0, NORTH, HORIZONTAL, insets2, 0, 0));
}
// Add a chat message field
JPanel msg = new JPanel();
msg.setBorder(new ChatMessageBorder(message));
JLabel msgLabel = new ChatMessageLabel(message.getMsg(), message.isOwnMessage());
msg.add(msgLabel);
messagesPanel.add(
msg, new GridBagConstraints(0, y++, 1, 1, 1.0, 0.0, NORTH, HORIZONTAL, insets, 0, 0));
lastMessageTime = message.getSendDate().getTime();
}
// Scroll to the bottom
validate();
scrollPane.getVerticalScrollBar().setValue(scrollPane.getVerticalScrollBar().getMaximum());
messagesPanel.repaint();
} else if (chatData == null && noDataComponent != null) {
// The noDataComponent may e.g. be a message
messagesPanel.add(
noDataComponent, new GridBagConstraints(0, 0, 1, 1, 1.0, 1.0, NORTH, BOTH, insets, 0, 0));
}
}
