LineSymbolizerWidget.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/LineSymbolizerWidget.h
22 
23  \brief A widget used to build a line symbolizer element.
24 */
25 
26 #ifndef __TERRALIB_QT_WIDGETS_SE_INTERNAL_LINESYMBOLIZERWIDGET_H
27 #define __TERRALIB_QT_WIDGETS_SE_INTERNAL_LINESYMBOLIZERWIDGET_H
28 
29 // TerraLib
30 #include "../Config.h"
31 
32 // Qt
33 #include <QWidget>
34 
35 // STL
36 #include <memory>
37 
38 // Forward declaraion
39 namespace Ui { class LineSymbolizerWidgetForm; }
40 
41 namespace te
42 {
43 // Forward declarations
44  namespace se
45  {
46  class LineSymbolizer;
47  class Symbolizer;
48  }
49 
50  namespace qt
51  {
52  namespace widgets
53  {
54 // Forward declarations
55  class BasicStrokeWidget;
56 
57  /*!
58  \class LineSymbolizerWidget
59 
60  \brief A widget used to build a line symbolizer element.
61  */
62  class TEQTWIDGETSEXPORT LineSymbolizerWidget : public QWidget
63  {
64  Q_OBJECT
65 
66  public:
67 
68  /** @name Initializer Methods
69  * Methods related to instantiation and destruction.
70  */
71  //@{
72 
73  /*! \brief Constructs a line symbolizer widget which is a child of parent, with widget flags set to f. */
74  LineSymbolizerWidget(QWidget* parent = 0, Qt::WindowFlags f = 0);
75 
76  /*! \brief Destructor. */
78 
79  //@}
80 
81  public:
82 
83  /*!
84  \brief Sets a line symbolizer element to this widget.
85 
86  \param symb A valid line symbolizer element.
87 
88  \note The widget will NOT take the ownership of the given symbolizer.
89  \note The widget form will be update based on given symbolizer parameters.
90  */
91  void setSymbolizer(const te::se::LineSymbolizer* symb);
92 
93  /*!
94  \brief Gets the configured line symbolizer element.
95 
96  \return The configured line symbolizer element.
97 
98  \note The caller will take the ownership of the returned symbolizer.
99  */
100  te::se::Symbolizer* getSymbolizer() const;
101 
102  protected:
103 
104  /*! \brief Updates the widget form based on internal line symbolizer element. */
105  void updateUi();
106 
107  protected slots:
108 
109  void onStrokeChanged();
110 
111  void onStrokeGroupBoxToggled(bool on);
112 
113  signals:
114 
115  /*! This signal is emitted when the internal line symbolizer element is changed. */
116  void symbolizerChanged();
117 
118  private:
119 
120  std::auto_ptr<Ui::LineSymbolizerWidgetForm> m_ui; //!< Widget form.
121  te::qt::widgets::BasicStrokeWidget* m_strokeWidget; //!< Basic Stroke Widget used to configure the line symbolizer stroke element.
122  te::se::LineSymbolizer* m_symb; //!< Line symbolizer element that will be configured by this widget.
123  };
124 
125  } // end namespace widgets
126  } // end namespace qt
127 } // end namespace te
128 
129 #endif // __TERRALIB_QT_WIDGETS_SE_INTERNAL_LINESYMBOLIZERWIDGET_H
A Symbolizer describes how a feature is to appear on a map.
Definition: Symbolizer.h:80
A widget used to build a line symbolizer element.
A widget used to build a basic stroke element.
te::se::LineSymbolizer * m_symb
Line symbolizer element that will be configured by this widget.
URI C++ Library.
#define TEQTWIDGETSEXPORT
You can use this macro in order to export/import classes and functions from this module.
Definition: Config.h:63
A LineSymbolizer is used to style a stroke along a linear geometry type, such as a string of line seg...
std::auto_ptr< Ui::LineSymbolizerWidgetForm > m_ui
Widget form.
te::qt::widgets::BasicStrokeWidget * m_strokeWidget
Basic Stroke Widget used to configure the line symbolizer stroke element.