comparison: src/model.cpp
src/model.cpp
- changeset 204
- 52e10e8d88cc
- parent 200
- ca23936b455b
- child 208
- 930928b760a2
equal
deleted
inserted
replaced
| 203:1909a0123c72 | 204:52e10e8d88cc |
|---|---|
| 109 std::optional<int> Model::find(ModelId id) const | 109 std::optional<int> Model::find(ModelId id) const |
| 110 { | 110 { |
| 111 return pointerToOptional(findInMap(this->positions, id)); | 111 return pointerToOptional(findInMap(this->positions, id)); |
| 112 } | 112 } |
| 113 | 113 |
| 114 template<typename K, typename V> | |
| 115 void removeFromMap(std::map<K, V>& map, const K& key) | |
| 116 { | |
| 117 const auto it = map.find(key); | |
| 118 if (it != map.end()) { | |
| 119 map.erase(it); | |
| 120 } | |
| 121 } | |
| 122 | |
| 114 void Model::remove(int index) | 123 void Model::remove(int index) |
| 115 { | 124 { |
| 116 if (index >= 0 and index < this->size()) { | 125 if (index >= 0 and index < this->size()) { |
| 117 Q_EMIT this->beginRemoveRows({}, index, index); | 126 Q_EMIT this->beginRemoveRows({}, index, index); |
| 127 removeFromMap(this->positions, this->body[index].id); | |
| 118 this->body.erase(this->body.begin() + index); | 128 this->body.erase(this->body.begin() + index); |
| 129 for (int i = index; i < this->size(); ++i) { | |
| 130 this->positions[this->body[i].id] = i; | |
| 131 } | |
| 119 Q_EMIT this->endRemoveRows(); | 132 Q_EMIT this->endRemoveRows(); |
| 120 } | 133 } |
| 121 } | 134 } |
| 122 | 135 |
| 123 int Model::rowCount(const QModelIndex &) const | 136 int Model::rowCount(const QModelIndex &) const |
