PointSymbolizerWidget.h
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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 terralib/qt/widgets/se/PointSymbolizerWidget.h
22 
23  \brief A widget used to build a point symbolizer element.
24 */
25 
26 #ifndef __TERRALIB_QT_WIDGETS_SE_INTERNAL_POINTSYMBOLIZERWIDGET_H
27 #define __TERRALIB_QT_WIDGETS_SE_INTERNAL_POINTSYMBOLIZERWIDGET_H
28 
29 // TerraLib
30 #include "../Config.h"
31 
32 // Qt
33 #include <QWidget>
34 
35 namespace te
36 {
37 // Forward declarations
38  namespace se
39  {
40  class PointSymbolizer;
41  class Symbolizer;
42  }
43 
44  namespace qt
45  {
46  namespace widgets
47  {
48 // Forward declarations
49  class GraphicSelectorWidget;
50 
51  /*!
52  \class PointSymbolizerWidget
53 
54  \brief A widget used to build a point symbolizer element.
55  */
57  {
58  Q_OBJECT
59 
60  public:
61 
62  /** @name Initializer Methods
63  * Methods related to instantiation and destruction.
64  */
65  //@{
66 
67  /*! \brief Constructs a point symbolizer widget which is a child of parent, with widget flags set to f. */
68  PointSymbolizerWidget(QWidget* parent = 0, Qt::WindowFlags f = 0);
69 
70  /*! \brief Destructor. */
72 
73  //@}
74 
75  public:
76 
77  /*!
78  \brief Sets a point symbolizer element to this widget.
79 
80  \param symb A valid point symbolizer element.
81 
82  \note The widget will NOT take the ownership of the given symbolizer.
83  \note The widget form will be update based on given symbolizer parameters.
84  */
85  void setSymbolizer(const te::se::PointSymbolizer* symb);
86 
87  /*!
88  \brief Gets the configured point symbolizer element.
89 
90  \return The configured point symbolizer element.
91 
92  \note The caller will take the ownership of the returned symbolizer.
93  */
94  te::se::Symbolizer* getSymbolizer() const;
95 
96  protected:
97 
98  /*! \brief Updates the widget form based on internal point symbolizer element. */
99  void updateUi();
100 
101  protected slots:
102 
103  void onGraphicChanged();
104 
105  signals:
106 
107  /*! This signal is emitted when the internal point symbolizer element is changed. */
108  void symbolizerChanged();
109 
110  private:
111 
112  GraphicSelectorWidget* m_graphicSelector; //!< Graphic selector use to select the point symbolizer graphic element.
113  te::se::PointSymbolizer* m_symb; //!< Point symbolizer element that will be configured by this widget.
114  };
115 
116  } // end namespace widgets
117  } // end namespace qt
118 } // end namespace te
119 
120 #endif // __TERRALIB_QT_WIDGETS_SE_INTERNAL_POINTSYMBOLIZERWIDGET_H
A widget used to build a point symbolizer element.
A Symbolizer describes how a feature is to appear on a map.
Definition: Symbolizer.h:80
A widget used to select a graphic element.
A PointSymbolizer specifies the rendering of a graphic Symbolizer at a point.
URI C++ Library.
GraphicSelectorWidget * m_graphicSelector
Graphic selector use to select the point symbolizer graphic element.
#define TEQTWIDGETSEXPORT
You can use this macro in order to export/import classes and functions from this module.
Definition: Config.h:63
te::se::PointSymbolizer * m_symb
Point symbolizer element that will be configured by this widget.