Main Page
Modules
Namespaces
Classes
Files
File List
File Members
Observer.h
Go to the documentation of this file.
1
/* Copyright (C) 2008 National Institute For Space Research (INPE) - Brazil.
2
3
This file is part of the TerraLib - a Framework for building GIS enabled applications.
4
5
TerraLib is free software: you can redistribute it and/or modify
6
it under the terms of the GNU Lesser General Public License as published by
7
the Free Software Foundation, either version 3 of the License,
8
or (at your option) any later version.
9
10
TerraLib is distributed in the hope that it will be useful,
11
but WITHOUT ANY WARRANTY; without even the implied warranty of
12
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13
GNU Lesser General Public License for more details.
14
15
You should have received a copy of the GNU Lesser General Public License
16
along with TerraLib. See COPYING. If not, write to
17
TerraLib Team at <terralib-team@terralib.org>.
18
*/
19
20
/*!
21
\file Observer.h
22
23
\brief Abstract class to represent an observer. "View" part of MVC component.
24
25
\ingroup layout
26
*/
27
28
#ifndef __TERRALIB_LAYOUT_INTERNAL_OBSERVER_H
29
#define __TERRALIB_LAYOUT_INTERNAL_OBSERVER_H
30
31
//TerraLib
32
#include "../../ContextItem.h"
33
#include "../../Config.h"
34
35
namespace
te
36
{
37
namespace
layout
38
{
39
class
Properties;
40
class
ItemController;
41
class
Observable;
42
43
/*!
44
\brief Abstract class to represent an observer. "View" part of MVC component.
45
46
\ingroup layout
47
*/
48
class
TELAYOUTEXPORT
Observer
49
{
50
public
:
51
52
/*!
53
\brief Destructor
54
*/
55
virtual
~Observer
(
void
) {}
56
57
/*!
58
\brief This method is called when a change has occurred in the state of the observable.
59
Reimplement this function in a ItemObserver subclass to provide the item's updateObserver implementation.
60
61
\param context maintaining the drawing context of a MVC component.
62
*/
63
virtual
void
updateObserver(
ContextItem
context) = 0;
64
};
65
}
66
}
67
68
#endif
te::layout::ContextItem
Class responsible for maintaining the drawing context of a MVC component. It is always used by the "M...
Definition:
ContextItem.h:49
TELAYOUTEXPORT
#define TELAYOUTEXPORT
You can use this macro in order to export/import classes and functions from this module.
Definition:
Config.h:96
te::layout::Observer::~Observer
virtual ~Observer(void)
Destructor.
Definition:
Observer.h:55
te::layout::Observer
Abstract class to represent an observer. "View" part of MVC component.
Definition:
Observer.h:48
te
URI C++ Library.
Definition:
AddressGeocodingOp.h:51
git_master
terralib5
src
terralib
layout
core
pattern
mvc
Observer.h
Generated on Tue Jan 12 2016 08:40:55 for TerraLib by
1.8.9.1