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Rewrite collection model and search

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Fixes #392
This commit is contained in:
Jonas Kvinge
2021-06-27 22:54:08 +02:00
parent ea1e4541c0
commit e477449cd4
52 changed files with 2321 additions and 2637 deletions
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32
src/core/simpletreemodel.h
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@@ -35,12 +35,10 @@ class SimpleTreeModel : public QAbstractItemModel {
// QAbstractItemModel
int columnCount(const QModelIndex &parent) const override;
QModelIndex index(int row, int, const QModelIndex &parent = QModelIndex()) const override;
QModelIndex index(const int row, const int column, const QModelIndex &parent = QModelIndex()) const override;
QModelIndex parent(const QModelIndex &idx) const override;
int rowCount(const QModelIndex &parent) const override;
bool hasChildren(const QModelIndex &parent) const override;
bool canFetchMore(const QModelIndex &parent) const override;
void fetchMore(const QModelIndex &parent) override;
T *IndexToItem(const QModelIndex &idx) const;
QModelIndex ItemToIndex(T *item) const;
@@ -52,9 +50,6 @@ class SimpleTreeModel : public QAbstractItemModel {
void EndDelete();
void EmitDataChanged(T *item);
protected:
virtual void LazyPopulate(T *item) { item->lazy_loaded = true; }
protected:
T *root_;
};
@@ -81,7 +76,9 @@ int SimpleTreeModel<T>::columnCount(const QModelIndex&) const {
}
template<typename T>
QModelIndex SimpleTreeModel<T>::index(int row, int, const QModelIndex &parent) const {
QModelIndex SimpleTreeModel<T>::index(const int row, const int column, const QModelIndex &parent) const {
Q_UNUSED(column);
T *parent_item = IndexToItem(parent);
if (!parent_item || row < 0 || parent_item->children.count() <= row)
@@ -106,25 +103,8 @@ int SimpleTreeModel<T>::rowCount(const QModelIndex &parent) const {
template<typename T>
bool SimpleTreeModel<T>::hasChildren(const QModelIndex &parent) const {
T *item = IndexToItem(parent);
if (!item) return false;
if (item->lazy_loaded)
return !item->children.isEmpty();
else
return true;
}
template<typename T>
bool SimpleTreeModel<T>::canFetchMore(const QModelIndex &parent) const {
T *item = IndexToItem(parent);
return item && !item->lazy_loaded;
}
template<typename T>
void SimpleTreeModel<T>::fetchMore(const QModelIndex &parent) {
T *item = IndexToItem(parent);
if (item && !item->lazy_loaded) {
LazyPopulate(item);
}
if (!item) return 0;
return !item->children.isEmpty();
}
template<typename T>