CreateLineTool.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/edit/qt/tools/CreateLineTool.h
22 
23  \brief This class implements a concrete tool to create lines.
24 */
25 
26 #ifndef __TERRALIB_EDIT_QT_INTERNAL_CREATELINETOOL_H
27 #define __TERRALIB_EDIT_QT_INTERNAL_CREATELINETOOL_H
28 
29 // TerraLib
30 #include "../../../geometry/Coord2D.h"
31 #include "../../../maptools/AbstractLayer.h"
32 #include "GeometriesUpdateTool.h"
33 #include "../Config.h"
34 
35 // STL
36 #include <vector>
37 
38 namespace te
39 {
40  namespace gm
41  {
42  class Geometry;
43  }
44 
45  namespace qt
46  {
47  namespace widgets
48  {
49  class MapDisplay;
50  }
51  }
52 
53  namespace edit
54  {
55  /*!
56  \class CreateLineTool
57 
58  \brief This class implements a concrete tool to create lines.
59  */
61  {
62  Q_OBJECT
63 
64  public:
65 
66  /** @name Initializer Methods
67  * Methods related to instantiation and destruction.
68  */
69  //@{
70 
71  /*!
72  \brief It constructs a create line tool associated with the given map display.
73 
74  \param display The map display associated with the tool.
75  \param parent The tool's parent.
76 
77  \note The tool will NOT take the ownership of the given pointers.
78  */
79  CreateLineTool(te::qt::widgets::MapDisplay* display, const te::map::AbstractLayerPtr& layer, const QCursor& cursor, QObject* parent = 0);
80 
81  /*! \brief Destructor. */
82  ~CreateLineTool();
83 
84  //@}
85 
86  /** @name AbstractTool Methods
87  * Methods related with tool behavior.
88  */
89  //@{
90 
91  bool mousePressEvent(QMouseEvent* e);
92 
93  bool mouseMoveEvent(QMouseEvent* e);
94 
95  bool mouseDoubleClickEvent(QMouseEvent* e);
96 
97  //@}
98 
99  void cancelEditionTool();
100 
101  private:
102 
103  void draw();
104 
105  void storeNewGeometry();
106 
107  private slots:
108 
109  void onExtentChanged();
110 
111  protected:
112 
113  std::vector<te::gm::Coord2D> m_coords; //!< The coord list managed by this tool.
114  te::gm::Coord2D m_lastPos; //!< The last position captured on mouse move event.
115  bool m_continuousMode; //!< A flag that indicates if the tool is working in 'continuous mode'. i.e. the coordinates will be acquired from each mouseMove.
116  bool m_isFinished; //!< A flag that indicates if the operations was finished.
117 
118  void clear();
119  te::gm::Geometry* buildLine();
120  };
121 
122  } // end namespace edit
123 } // end namespace te
124 
125 #endif // __TERRALIB_EDIT_QT_INTERNAL_CREATELINETOOL_H
bool m_isFinished
A flag that indicates if the operations was finished.
#define TEEDITQTEXPORT
You can use this macro in order to export/import classes and functions from this module.
Definition: Config.h:60
This class implements a concrete tool to create lines.
te::gm::Coord2D m_lastPos
The last position captured on mouse move event.
A widget to control the display of a set of layers.
Definition: MapDisplay.h:66
An utility struct for representing 2D coordinates.
Definition: Coord2D.h:40
std::vector< te::gm::Coord2D > m_coords
The coord list managed by this tool.
URI C++ Library.
Geometry is the root class of the geometries hierarchy, it follows OGC and ISO standards.
Definition: Geometry.h:73
bool m_continuousMode
A flag that indicates if the tool is working in 'continuous mode'. i.e. the coordinates will be acqui...
boost::intrusive_ptr< AbstractLayer > AbstractLayerPtr