ChatEvent Class Reference

Encapsulate a chat event. More...

#include <SimpleChatServer.h>

Public Types
enum	Type { Login , Logout , Rename , Message }
	Enumeration for the event type. More...

Public Member Functions
Type	type () const
	Get the event type.
const Wt::WString &	user () const
	Get the user who caused the event.
const Wt::WString &	message () const
	Get the message of the event.
const Wt::WString &	data () const
	Get the extra data for this event.
const Wt::WString	formattedHTML (const Wt::WString &user, Wt::TextFormat format) const
	Get the message formatted as HTML, rendered for the given user.

Private Member Functions
	ChatEvent (const Wt::WString &user, const Wt::WString &message)
	ChatEvent (Type type, const Wt::WString &user, const Wt::WString &data=Wt::WString::Empty)

Private Attributes
Type	type_
Wt::WString	user_
Wt::WString	data_
Wt::WString	message_

Friends
class	SimpleChatServer

Detailed Description

Encapsulate a chat event.

Definition at line 29 of file SimpleChatServer.h.

Member Enumeration Documentation

Type

enum ChatEvent::Type

Enumeration for the event type.

Enumerator
Login
Logout
Rename
Message

Definition at line 34 of file SimpleChatServer.h.

{ Login, Logout, Rename, Message };

Constructor & Destructor Documentation

ChatEvent() [1/2]

ChatEvent::ChatEvent ( const Wt::WString &  user, const Wt::WString &  message  )

inlineprivate

Definition at line 68 of file SimpleChatServer.h.

    : type_(Message), user_(user), message_(message)
  { }

ChatEvent() [2/2]

ChatEvent::ChatEvent ( Type  type, const Wt::WString &  user, const Wt::WString &  data = Wt::WString::Empty  )

inlineprivate

Definition at line 72 of file SimpleChatServer.h.

    : type_(type), user_(user), data_(data)
  { }

Member Function Documentation

data()

const Wt::WString & ChatEvent::data ( ) const

inline

Get the extra data for this event.

Definition at line 50 of file SimpleChatServer.h.

{ return data_; }

formattedHTML()

const Wt::WString ChatEvent::formattedHTML	(	const Wt::WString &	user,
		Wt::TextFormat	format
	)		const

Get the message formatted as HTML, rendered for the given user.

The format indicates how the message should be formatted.

Definition at line 13 of file SimpleChatServer.C.

{
  switch (type_) {
  case Login:
    return Wt::WString("<span class='chat-info'>")
      + Wt::WWebWidget::escapeText(user_) + " joined.</span>";
  case Logout:
    return Wt::WString("<span class='chat-info'>")
      + ((user == user_) ?
         Wt::WString("You") :
         Wt::WWebWidget::escapeText(user_))
      + " logged out.</span>";
  case Rename:
    return "<span class='chat-info'>"
      + ((user == data_ || user == user_) ?
         "You are" :
         (Wt::WWebWidget::escapeText(user_) + " is"))
      + " now known as " + Wt::WWebWidget::escapeText(data_) + ".</span>";
  case Message:{
    Wt::WString result;
 
    result = Wt::WString("<span class='")
      + ((user == user_) ?
         "chat-self" :
         "chat-user")
      + "'>" + Wt::WWebWidget::escapeText(user_) + ":</span>";
 
    Wt::WString msg
      = (format == Wt::TextFormat::XHTML ? message_ : Wt::WWebWidget::escapeText(message_));
 
    if (message_.toUTF8().find(user.toUTF8()) != std::string::npos)
      return result + "<span class='chat-highlight'>" + msg + "</span>";
    else
      return result + msg;
  }
  default:
    return "";
  }
}

message()

const Wt::WString & ChatEvent::message ( ) const

inline

Get the message of the event.

Definition at line 46 of file SimpleChatServer.h.

{ return message_; }

type()

Type ChatEvent::type ( ) const

inline

Get the event type.

Definition at line 38 of file SimpleChatServer.h.

{ return type_; }

user()

const Wt::WString & ChatEvent::user ( ) const

inline

Get the user who caused the event.

Definition at line 42 of file SimpleChatServer.h.

{ return user_; }

Friends And Related Symbol Documentation

SimpleChatServer

friend class SimpleChatServer

friend

Definition at line 77 of file SimpleChatServer.h.

Member Data Documentation

data_

Wt::WString ChatEvent::data_

private

Definition at line 62 of file SimpleChatServer.h.

message_

Wt::WString ChatEvent::message_

private

Definition at line 63 of file SimpleChatServer.h.

type_

Type ChatEvent::type_

private

Definition at line 60 of file SimpleChatServer.h.

user_

Wt::WString ChatEvent::user_

private

Definition at line 61 of file SimpleChatServer.h.

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The documentation for this class was generated from the following files:

• simplechat/SimpleChatServer.h
• simplechat/SimpleChatServer.C