/** Determine if message text changed and handle appropriately. */
private void checkMessageTextChanged() {
String newText = message.getText();
if (!newText.equals(messageText)) {
messageText = newText;
Session.getInstance().getEventBus().notifyObservers(MessageTextAreaChangedEvent.getEvent());
}
}
/** Wires up events. */
private void setupEvents() {
// user clicked in message text box
message.addFocusHandler(
new FocusHandler() {
public void onFocus(final FocusEvent inEvent) {
if ((" " + getStyleName() + " ")
.contains(StaticResourceBundle.INSTANCE.coreCss().small())) {
removeStyleName(StaticResourceBundle.INSTANCE.coreCss().small());
onExpand();
}
}
});
message.addValueChangedHandler(
new ValueChangeHandler<String>() {
public void onValueChange(final ValueChangeEvent<String> newValue) {
checkMessageTextChanged();
}
});
// user typed in message text box
message.addKeystrokeHandler(
new KeyUpHandler() {
public void onKeyUp(final KeyUpEvent ev) {
if (ev.getNativeKeyCode() == KeyCodes.KEY_ENTER
&& ev.isControlKeyDown()
&& message.getText().length() > 0) {
checkMessageTextChanged();
handlePostMessage();
} else {
checkMessageTextChanged();
}
}
});
// user clicked on post button
postButton.addClickHandler(
new ClickHandler() {
public void onClick(final ClickEvent ev) {
checkMessageTextChanged();
handlePostMessage();
}
});
final EventBus eventBus = Session.getInstance().getEventBus();
eventBus.addObserver(
MessageStreamAppendEvent.class,
new Observer<MessageStreamAppendEvent>() {
public void update(final MessageStreamAppendEvent event) {
errorMsg.setVisible(false);
addStyleName(StaticResourceBundle.INSTANCE.coreCss().small());
messageText = "";
message.setText(postBoxDefaultText);
onRemainingCharactersChanged();
links.close();
}
});
eventBus.addObserver(
GotSystemSettingsResponseEvent.class,
new Observer<GotSystemSettingsResponseEvent>() {
public void update(final GotSystemSettingsResponseEvent event) {
String warning = event.getResponse().getContentWarningText();
if (warning != null && !warning.isEmpty()) {
contentWarning.getElement().setInnerHTML(warning);
} else {
contentWarning.setVisible(false);
}
message.setVisible(true);
}
});
eventBus.addObserver(
MessageTextAreaChangedEvent.getEvent(),
new Observer<MessageTextAreaChangedEvent>() {
public void update(final MessageTextAreaChangedEvent arg1) {
// the value changed - make sure we're not stuck in the disabled, non-editable mode
if ((" " + getStyleName() + " ")
.contains(StaticResourceBundle.INSTANCE.coreCss().small())) {
removeStyleName(StaticResourceBundle.INSTANCE.coreCss().small());
}
onRemainingCharactersChanged();
}
});
eventBus.addObserver(
MessageAttachmentChangedEvent.class,
new Observer<MessageAttachmentChangedEvent>() {
public void update(final MessageAttachmentChangedEvent evt) {
errorMsg.setVisible(false);
attachment = evt.getAttachment();
if (attachment == null && messageText.isEmpty()) {
hidePostButton();
} else {
showPostButton();
}
}
});
eventBus.addObserver(
new ErrorPostingMessageToNullScopeEvent(),
new Observer<ErrorPostingMessageToNullScopeEvent>() {
public void update(final ErrorPostingMessageToNullScopeEvent event) {
errorMsg.setText(event.getErrorMsg());
errorMsg.setVisible(true);
showPostButton();
}
});
}
/** Invoked when the composite is expanded (due to user clicking on the box). */
protected void onExpand() {
message.setText("");
}
/**
* Builds the UI.
*
* @param inScope the scope.
*/
private void setupWidgets(final StreamScope inScope) {
this.getElement().setAttribute("id", "post-to-stream");
this.addStyleName(StaticResourceBundle.INSTANCE.coreCss().small());
charsRemaining = new Label();
postButton = new Hyperlink("", History.getToken());
postButton.getElement().setAttribute("tabindex", "2");
message = new PostToStreamTextboxPanel();
message.setText(postBoxDefaultText);
message.setVisible(false); // Hide until post ready event.
this.addStyleName(StaticResourceBundle.INSTANCE.coreCss().postToStream());
errorMsg.addStyleName(StaticResourceBundle.INSTANCE.coreCss().formErrorBox());
errorMsg.setVisible(false);
this.add(errorMsg);
FlowPanel postInfoContainer = new FlowPanel();
postInfoContainer.addStyleName(StaticResourceBundle.INSTANCE.coreCss().postInfoContainer());
postButton.addStyleName(StaticResourceBundle.INSTANCE.coreCss().postButton());
postInfoContainer.add(postButton);
charsRemaining.addStyleName(StaticResourceBundle.INSTANCE.coreCss().charactersRemaining());
postInfoContainer.add(charsRemaining);
AvatarWidget avatar =
new AvatarWidget(
Session.getInstance().getCurrentPerson(), EntityType.PERSON, Size.VerySmall);
avatar.addStyleName(StaticResourceBundle.INSTANCE.coreCss().postEntryAvatar());
Panel entryPanel = new FlowPanel();
entryPanel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().postEntryPanel());
entryPanel.add(avatar);
entryPanel.add(postInfoContainer);
entryPanel.add(message);
SimplePanel breakPanel = new SimplePanel();
breakPanel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().breakClass());
entryPanel.add(breakPanel);
add(entryPanel);
// below text area: links and post to on one line, then content warning below
expandedPanel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().postExpandedPanel());
postToPanel = new PostToPanel(inScope);
expandedPanel.add(postToPanel);
links = new AddLinkComposite();
expandedPanel.add(links);
contentWarning = new FlowPanel();
contentWarningContainer.addStyleName(StaticResourceBundle.INSTANCE.coreCss().contentWarning());
contentWarningContainer.add(new SimplePanel());
contentWarningContainer.add(contentWarning);
expandedPanel.add(contentWarningContainer);
add(expandedPanel);
setVisible(false);
setVisible(Session.getInstance().getCurrentPerson() != null);
}
