UniqueKeyItem.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/datasource/explorer/UniqueKeyItem.h
22 
23  \brief A class that represents a unique key in a TreeModel.
24 */
25 
26 #ifndef __TERRALIB_QT_WIDGETS_DATASOURCE_EXPLORER_INTERNAL_UNIQUEKEYITEM_H
27 #define __TERRALIB_QT_WIDGETS_DATASOURCE_EXPLORER_INTERNAL_UNIQUEKEYITEM_H
28 
29 // TerraLib
31 
32 // STL
33 #include <memory>
34 
35 namespace te
36 {
37  namespace da { class UniqueKey; }
38 
39  namespace qt
40  {
41  namespace widgets
42  {
44  {
45  Q_OBJECT
46 
47  public:
48 
49  /*!
50  \brief Constructor.
51 
52  \param uk The unique-key to be showned. If it is associated to a dataset the item will not take its ownership, otherwise, it will.
53  \param parent The parent item in the tree or NULL if it is a root item.
54  */
56 
57  ~UniqueKeyItem();
58 
59  int columnCount() const;
60 
61  QVariant data(int column, int role) const;
62 
63  QMenu* getMenu(QWidget* parent = 0) const;
64 
65  bool canFetchMore() const;
66 
67  Qt::ItemFlags flags() const;
68 
69  void fetchMore();
70 
71  bool hasChildren() const;
72 
73  bool setData(const QVariant& value, int role = Qt::EditRole);
74 
75  te::da::UniqueKey* getUniqueKey() const;
76 
77  private:
78 
80  };
81  } // end namespace widgets
82  } // end namespace qt
83 } // end namespace te
84 
85 #endif // __TERRALIB_QT_WIDGETS_DATASOURCE_EXPLORER_INTERNAL_UNIQUEKEYITEM_H
A class that represents an item from a DataSourceTreeModel.
URI C++ Library.
It describes a unique key (uk) constraint.
Definition: UniqueKey.h:53
#define TEQTWIDGETSEXPORT
You can use this macro in order to export/import classes and functions from this module.
Definition: Config.h:63
te::da::UniqueKey * m_uk
Definition: UniqueKeyItem.h:79