A popup chat widget. More...

#include <PopupChatWidget.h>

Inheritance diagram for PopupChatWidget:

Public Member Functions
	PopupChatWidget (SimpleChatServer &server, const std::string &id)
void	setName (const Wt::WString &name)
Protected Member Functions
virtual void	createLayout (Wt::WWidget messages, Wt::WWidget userList, Wt::WWidget messageEdit, Wt::WWidget sendButton, Wt::WWidget *logoutButton)
virtual void	updateUsers ()
virtual void	newMessage ()
Private Member Functions
void	toggleSize ()
void	goOnline ()
bool	minimized () const
Wt::WContainerWidget *	createBar ()
Private Attributes
Wt::WString	name_
Wt::WText *	title_
Wt::WWidget *	bar_
bool	online_
bool	minimized_
int	missedMessages_

Detailed Description

A popup chat widget.

Definition at line 20 of file PopupChatWidget.h.

Constructor & Destructor Documentation

PopupChatWidget::PopupChatWidget	(	SimpleChatServer &	server,
		const std::string &	id
	)

Definition at line 19 of file PopupChatWidget.C.

  : SimpleChatWidget(server),
    missedMessages_(0)
{
  setId(id);

  if (Wt::WApplication::instance()->environment().agentIsIE()) {
    if (Wt::WApplication::instance()->environment().agent()
        == Wt::WEnvironment::IE6)
      setPositionScheme(Wt::Absolute);
    else
      setPositionScheme(Wt::Fixed);
  }

  implementJavaScript
    (&PopupChatWidget::toggleSize,
     "{"
     """var s = $('#" + id + "');"
     """s.toggleClass('chat-maximized chat-minimized');"
     + Wt::WApplication::instance()->javaScriptClass()
     + ".layouts2.scheduleAdjust(true);"
     "}");

  online_ = false;
  minimized_ = true;
  setStyleClass("chat-widget chat-minimized");

  clear();
  addWidget(createBar());
  updateUsers();

  connect();
}

Member Function Documentation

Wt::WContainerWidget * PopupChatWidget::createBar ( ) [private]

Definition at line 70 of file PopupChatWidget.C.

{
  Wt::WContainerWidget *bar = new Wt::WContainerWidget();
  bar->setStyleClass("chat-bar");

  Wt::WText *toggleButton = new Wt::WText();
  toggleButton->setInline(false);
  toggleButton->setStyleClass("chat-minmax");
  bar->clicked().connect(this, &PopupChatWidget::toggleSize);
  bar->clicked().connect(this, &PopupChatWidget::goOnline);

  bar->addWidget(toggleButton);

  title_ = new Wt::WText(bar);

  bar_ = bar;

  return bar;
}

void PopupChatWidget::createLayout	(	Wt::WWidget *	messages,
		Wt::WWidget *	userList,
		Wt::WWidget *	messageEdit,
		Wt::WWidget *	sendButton,
		Wt::WWidget *	logoutButton
	)		`[protected, virtual]`

Reimplemented from SimpleChatWidget.

Definition at line 119 of file PopupChatWidget.C.

{
  Wt::WVBoxLayout *layout = new Wt::WVBoxLayout();
  layout->setContentsMargins(0, 0, 0, 0);
  layout->setSpacing(0);

  Wt::WContainerWidget *bar = createBar();

  layout->addWidget(bar);
  bar->setMinimumSize(Wt::WLength::Auto, 20);
  layout->addWidget(messages, 1);
  layout->addWidget(messageEdit);

  setLayout(layout);
}

void PopupChatWidget::goOnline ( ) [private]

Definition at line 95 of file PopupChatWidget.C.

{
  if (!online_) {
    online_ = true;

    int tries = 1;
    Wt::WString name = name_;
    if (name.empty())
      name = server().suggestGuest();

    while (!startChat(name)) {
      if (name_.empty())
        name = server().suggestGuest();
      else
        name = name_ + boost::lexical_cast<std::string>(++tries);
    }

    name_ = name;
  }

  missedMessages_ = 0;
  bar_->removeStyleClass("alert");
}

bool PopupChatWidget::minimized ( ) const [private]

Definition at line 169 of file PopupChatWidget.C.

{
  return minimized_;
}

void PopupChatWidget::newMessage ( ) [protected, virtual]

Reimplemented from SimpleChatWidget.

Definition at line 159 of file PopupChatWidget.C.

{
  if (loggedIn() && minimized()) {
    ++missedMessages_;
    if (missedMessages_ == 1) {
      bar_->addStyleClass("alert");
    }
  }
}

void PopupChatWidget::setName ( const Wt::WString & name )

Definition at line 54 of file PopupChatWidget.C.

{
  if (name.empty())
    return;

  if (online_) {
    int tries = 1;
    Wt::WString n = name;
    while (!server().changeName(name_, n))
      n = name + boost::lexical_cast<std::string>(++tries);

    name_ = n;
  } else
    name_ = name;
}

void PopupChatWidget::toggleSize ( ) [private]

Definition at line 90 of file PopupChatWidget.C.

{
  minimized_ = !minimized_;
}

void PopupChatWidget::updateUsers ( ) [protected, virtual]

Reimplemented from SimpleChatWidget.

Definition at line 139 of file PopupChatWidget.C.

{
  SimpleChatWidget::updateUsers();

  int count = server().users().size();

  if (!loggedIn()) {
    if (count == 0)
      title_->setText("Thoughts? Ventilate.");
    else if (count == 1)
      title_->setText("Chat: 1 user online");
    else
      title_->setText(Wt::WString("Chat: {1} users online").arg(count));
  } else {
    title_->setText(Wt::WString("Chat: <span class=\"self\">{1}</span>"
                                " <span class=\"online\">({2} user{3})</span>")
                    .arg(userName()).arg(count).arg(count == 1 ? "" : "s"));
  }
}