Version: 8.3.0
SchemaModel.hxx
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1 // Copyright (C) 2006-2016 CEA/DEN, EDF R&D
2 //
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
7 //
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
12 //
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 //
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18 //
19 
20 #ifndef _SCHEMAMODEL_HXX_
21 #define _SCHEMAMODEL_HXX_
22 
23 #include <QAbstractItemModel>
24 #include <QItemSelection>
25 #include <QBrush>
26 #include "guiObservers.hxx"
27 #include <list>
28 
29 namespace YACS
30 {
31  namespace HMI
32  {
33  typedef enum
34  {
35  YLabel = 0,
36  YType = 1,
37  YValue = 2,
38  YState = 2,
39  } columnId;
40 
41  class SchemaItem;
42  class SchemaNodeItem;
43  class SchemaComposedNodeItem;
44  class SchemaDirTypesItem;
45  class SchemaDirLinksItem;
46  class SchemaDirContainersItem;
47  class SchemaContainerItem;
48 
49  class SchemaModel: public QAbstractItemModel, public GuiObserver
50  {
51  Q_OBJECT
52 
53  friend class SchemaItem;
54  friend class SchemaNodeItem;
55  friend class SchemaComposedNodeItem;
56  friend class SchemaDirTypesItem;
57  friend class SchemaDirLinksItem;
58  friend class SchemaDirContainersItem;
59  friend class SchemaContainerItem;
60  friend class SchemaComponentItem;
61 
62  public:
63  SchemaModel(YACS::HMI::Subject *context,
64  QObject * parent = 0);
65  virtual ~SchemaModel();
66 
67  virtual QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
68  virtual QModelIndex parent(const QModelIndex &index) const;
69  virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
70  virtual int columnCount(const QModelIndex &parent = QModelIndex()) const;
71  virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
72  virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole ) const;
73 
74  virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
75  virtual Qt::ItemFlags flags(const QModelIndex &index) const;
76 
77  virtual void update(GuiEvent event, int type, Subject* son);
78  inline SchemaItem * getRootItem() {return _rootItem; };
79  inline bool isEdition() {return _isEdition; };
80  void setEdition(bool isEdition = true);
81 
82  const QBrush& stdBackBrush();
83  const QBrush& editedBackBrush();
84  const QBrush& emphasizeBackBrush();
85 
86  virtual QMimeData* mimeData(const QModelIndexList &indexes) const;
87  virtual bool dropMimeData(const QMimeData* data, Qt::DropAction action,
88  int row, int column, const QModelIndex& parent);
89  virtual Qt::DropActions supportedDropActions() const;
90  virtual QStringList mimeTypes() const;
91 
92  public slots:
93  void updateSelection(const QItemSelection &selected, const QItemSelection &deselected);
94 
95  signals:
96  void signalSelection(const QModelIndex &index);
97 
98  protected:
99  void setNewRoot(YACS::HMI::Subject *root);
100 
101  Subject *_context;
102  Subject *_root;
103  SchemaItem *_rootItem;
104 
105  QBrush _stdBackBrush;
106  QBrush _editedBackBrush;
107  QBrush _emphasizeBackBrush;
108  bool _isEdition;
109  };
110 
111  }
112 }
113 
114 #endif