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modeliterator.cpp
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29 
30 #include "modeliterator.h"
31 #include <QAbstractItemModel>
32 #include <QtDebug>
33 
34 namespace LeechCraft
35 {
36 namespace Util
37 {
38  ModelIterator::ModelIterator (QAbstractItemModel *model,
39  int row, int col, ModelIterator::Direction dir, const QModelIndex& parent)
40  : Model_ (model)
41  , Parent_ (parent)
42  , Row_ (row)
43  , Col_ (col)
44  , Dir_ (dir)
45  {
46  }
47 
49  {
50  ++GetIncrementable ();
51  return *this;
52  }
53 
55  {
56  ModelIterator oldThis (*this);
57  ++GetIncrementable ();
58  return oldThis;
59  }
60 
62  {
63  --GetIncrementable ();
64  return *this;
65  }
66 
68  {
69  ModelIterator oldThis (*this);
70  --GetIncrementable ();
71  return oldThis;
72  }
73 
75  {
76  GetIncrementable () += diff;
77  return *this;
78  }
79 
81  {
82  GetIncrementable () -= diff;
83  return *this;
84  }
85 
86  int ModelIterator::operator- (const ModelIterator& other) const
87  {
88  return Row_ - other.Row_;
89  }
90 
91  bool ModelIterator::operator== (const ModelIterator& other) const
92  {
93  return Row_ == other.Row_ &&
94  Col_ == other.Col_ &&
95  Model_ == other.Model_ &&
96  Parent_ == other.Parent_;
97  }
98 
99  bool ModelIterator::operator!= (const ModelIterator& other) const
100  {
101  return !(*this == other);
102  }
103 
104  QModelIndex ModelIterator::operator*() const
105  {
106  return Model_->index (Row_, Col_, Parent_);
107  }
108 
110  {
111  return Row_;
112  }
113 
115  {
116  return Col_;
117  }
118 
119  int& ModelIterator::GetIncrementable ()
120  {
121  switch (Dir_)
122  {
123  case Direction::Rows:
124  return Row_;
125  case Direction::Cols:
126  return Col_;
127  }
128 
129  qWarning () << Q_FUNC_INFO
130  << "unknown direction";
131  return Row_;
132  }
133 }
134 }
QModelIndex operator*() const
int operator-(const ModelIterator &other) const
ModelIterator & operator-=(int)
ModelIterator & operator+=(int)
ModelIterator(QAbstractItemModel *model, int row, int col=0, Direction dir=Direction::Rows, const QModelIndex &parent=QModelIndex())
bool operator!=(const ModelIterator &other) const
bool operator==(const ModelIterator &other) const