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Rename model method to match the rust API

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This commit is contained in:
Olivier Goffart 2020-09-15 14:07:41 +02:00
parent 37e550e540
commit 2ae4f1757b
2 changed files with 19 additions and 10 deletions
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25
api/sixtyfps-cpp/include/sixtyfps.h
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@ -192,8 +192,15 @@ public:
Model() = default;
Model(const Model &) = delete;
Model &operator=(const Model &) = delete;
virtual int count() const = 0;
virtual ModelData get(int i) const = 0;
/// The amount of row in the model
virtual int row_count() const = 0;
/// Returns the data for a particular row. This function should be called with `row < row_count()`.
virtual ModelData row_data(int i) const = 0;
/// Sets the data for a particular row. This function should be called with `row < row_count()`.
/// If the model cannot support data changes, then it is ok to do nothing (default implementation).
/// If the model can update the data, the implmentation should also call row_changed.
virtual ModelData set_row_data(int) const {};
/// Internal function called by the view to register itself
void attach_peer(ModelPeer p) {
@ -229,6 +236,7 @@ private:
std::vector<ModelPeer> peers;
};
/// A Model backed by an array of constant size
template<int Count, typename ModelData>
struct ArrayModel : Model<ModelData>
{
@ -237,16 +245,17 @@ struct ArrayModel : Model<ModelData>
ArrayModel(A &&... a) : data { std::forward<A>(a)... }
{
}
int count() const override { return Count; }
ModelData get(int i) const override { return data[i]; }
int row_count() const override { return Count; }
ModelData row_data(int i) const override { return data[i]; }
};
/// Model to be used when we just want to repeat without data.
struct IntModel : Model<int>
{
IntModel(int d) : data(d) { }
int data;
int count() const override { return data; }
int get(int value) const override { return value; }
int row_count() const override { return data; }
int row_data(int value) const override { return value; }
};
template<typename C, typename ModelData>
@ -279,11 +288,11 @@ public:
auto &data = const_cast<Repeater *>(this)->data;
data.clear();
auto m = model.get();
auto count = m->count();
auto count = m->row_count();
for (auto i = 0; i < count; ++i) {
auto x = std::make_unique<C>();
x->parent = parent;
x->update_data(i, m->get(i));
x->update_data(i, m->row_data(i));
data.push_back(std::move(x));
}
*is_dirty = false;