GJsonArrayModel: Add hook to customize what comes out of GModel::Sort

Now you can provide a massage_for_sort hook in your FieldSpec.
This allows you to implement arbitrary sorting rules for the data.
This commit is contained in:
Andreas Kling 2019-08-12 11:54:18 +02:00
parent 2c7b0b8893
commit 69ec08774b
Notes: sideshowbarker 2024-07-19 12:43:36 +09:00
2 changed files with 9 additions and 1 deletions

View file

@ -40,6 +40,12 @@ GVariant GJsonArrayModel::data(const GModelIndex& index, Role role) const
return data.as_uint();
return object.get(json_field_name).to_string();
}
if (role == GModel::Role::Sort) {
if (field_spec.massage_for_sort)
return field_spec.massage_for_sort(object);
return data(index, Role::Display);
}
return {};
}

View file

@ -7,10 +7,11 @@
class GJsonArrayModel final : public GModel {
public:
struct FieldSpec {
FieldSpec(const String& a_column_name, TextAlignment a_text_alignment, Function<GVariant(const JsonObject&)>&& a_massage_for_display = {})
FieldSpec(const String& a_column_name, TextAlignment a_text_alignment, Function<GVariant(const JsonObject&)>&& a_massage_for_display, Function<GVariant(const JsonObject&)>&& a_massage_for_sort = {})
: column_name(a_column_name)
, text_alignment(a_text_alignment)
, massage_for_display(move(a_massage_for_display))
, massage_for_sort(move(a_massage_for_sort))
{
}
@ -25,6 +26,7 @@ public:
String column_name;
TextAlignment text_alignment;
Function<GVariant(const JsonObject&)> massage_for_display;
Function<GVariant(const JsonObject&)> massage_for_sort;
};
static NonnullRefPtr<GJsonArrayModel> create(const String& json_path, Vector<FieldSpec>&& fields)