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modelitem.h
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29 
30 #pragma once
31 
32 #include <memory>
33 #include <QModelIndex>
34 #include <QVector>
35 #include "modelsconfig.h"
36 
37 namespace LeechCraft
38 {
39 namespace Util
40 {
41  class ModelItem;
42 
43  typedef std::shared_ptr<ModelItem> ModelItem_ptr;
44  typedef std::weak_ptr<ModelItem> ModelItem_wtr;
45  typedef QVector<ModelItem_ptr> ModelItemsList_t;
46  typedef std::shared_ptr<const ModelItem> ModelItem_cptr;
47 
48  class UTIL_MODELS_API ModelItem : public std::enable_shared_from_this<ModelItem>
49  {
50  ModelItem_wtr Parent_;
51  ModelItemsList_t Children_;
52 
53  QAbstractItemModel * const Model_;
54  QModelIndex SrcIdx_;
55  public:
56  typedef ModelItemsList_t::iterator iterator;
57  typedef ModelItemsList_t::const_iterator const_iterator;
58 
59  ModelItem ();
60  ModelItem (QAbstractItemModel *model, const QModelIndex& idx, const ModelItem_wtr& parent);
61 
62  iterator begin ();
63  iterator end ();
64  const_iterator begin () const;
65  const_iterator end () const;
66 
67  ModelItem_ptr GetChild (int row) const;
68  const ModelItemsList_t& GetChildren () const;
69  int GetRowCount () const;
70 
71  ModelItem* EnsureChild (int row);
72 
73  iterator EraseChild (iterator it);
74  iterator EraseChildren (iterator begin, iterator end);
75 
76  template<typename... Args>
77  void AppendChild (Args&&... args)
78  {
79  Children_ << std::make_shared<ModelItem> (std::forward<Args> (args)...);
80  }
81 
82  template<typename... Args>
83  void InsertChild (int pos, Args&&... args)
84  {
85  Children_.insert (pos, std::make_shared<ModelItem> (std::forward<Args> (args)...));
86  }
87 
88  const QModelIndex& GetIndex () const;
89 
90  void RefreshIndex (int modelStartingRow);
91 
92  QAbstractItemModel* GetModel () const;
93 
94  ModelItem_ptr GetParent () const;
95 
96  int GetRow (const ModelItem_ptr& item) const;
97  int GetRow (const ModelItem_cptr& item) const;
98  int GetRow () const;
99 
100  ModelItem_ptr FindChild (QModelIndex index) const;
101  };
102 }
103 }
std::shared_ptr< ModelItem > ModelItem_ptr
Definition: modelitem.h:41
QVector< ModelItem_ptr > ModelItemsList_t
Definition: modelitem.h:45
ModelItemsList_t::const_iterator const_iterator
Definition: modelitem.h:57
std::shared_ptr< const ModelItem > ModelItem_cptr
Definition: modelitem.h:46
std::weak_ptr< ModelItem > ModelItem_wtr
Definition: modelitem.h:44
#define UTIL_MODELS_API
Definition: modelsconfig.h:37
void InsertChild(int pos, Args &&...args)
Definition: modelitem.h:83
void AppendChild(Args &&...args)
Definition: modelitem.h:77
ModelItemsList_t::iterator iterator
Definition: modelitem.h:56