Initial work on asset system (does not compile)

3 files changed, 78 insertions, 12 deletions

diff --git a/core/src/Model/Template/Template.hpp b/core/src/Model/Template/Template.hpp
index 131a6ac..d876650 100644
--- a/core/src/Model/Template/Template.hpp
+++ b/core/src/Model/Template/Template.hpp
@@ -1,5 +1,6 @@
 #pragma once
 
+#include "Model/Assets.hpp"
 #include "cplt_fwd.hpp"
 
 #include <filesystem>
@@ -7,7 +8,7 @@
 #include <memory>
 #include <string>
 
-class Template
+class Template : public Asset
 {
 public:
 	enum Kind
@@ -18,6 +19,9 @@ public:
 		KindCount = InvalidKind,
 	};
 
+	using CategoryType = TemplateAssetCategory;
+	static constinit const TemplateAssetCategory Category;
+
 private:
 	Kind mKind;
 
@@ -32,7 +36,7 @@ public:
 
 	Kind GetKind() const;
 
-	enum class ReadResult
+	enum ReadResult
 	{
 		RR_Success,
 		RR_InvalidFormat,
@@ -41,13 +45,13 @@ public:
 	virtual void WriteTo(std::ostream& stream) const = 0;
 };
 
-class TemplateInfo
+class TemplateAssetCategory : public AssetCategory
 {
 public:
-	std::filesystem::path Path;
-	std::string Name;
-	std::string PathStringCache = Path.string();
-	Template::Kind Kind;
-
-	std::unique_ptr<Template> LoadFromDisk() const;
+	virtual void DiscoverFiles(const std::function<void(SavedAsset)>& callback) const override;
+	virtual Template* CreateEmpty(const SavedAsset& diskForm) const override;
+	virtual Template* Load(const SavedAsset& diskForm) const override;
+	virtual void SetupDetailsTable(const char* tableId) const override;
+	virtual void DrawBigIcon(const SavedAsset& asset) const override;
+	virtual void DrawDetailsTableRow(const SavedAsset& asset) const override;
 };
diff --git a/core/src/Model/Template/Template_Main.cpp b/core/src/Model/Template/Template_Main.cpp
index 35da52b..9efbeae 100644
--- a/core/src/Model/Template/Template_Main.cpp
+++ b/core/src/Model/Template/Template_Main.cpp
@@ -1,5 +1,15 @@
 #include "Template.hpp"
 
+#include "Model/GlobalStates.hpp"
+#include "Model/Project.hpp"
+
+#include <imgui.h>
+#include <fstream>
+
+using namespace std::literals::string_view_literals;
+
+constinit const TemplateAssetCategory Template::Category{};
+
 Template::Template(Kind kind)
 	: mKind{ kind }
 {
@@ -10,8 +20,60 @@ Template::Kind Template::GetKind() const
 	return mKind;
 }
 
-std::unique_ptr<Template> TemplateInfo::LoadFromDisk() const
+void TemplateAssetCategory::DiscoverFiles(const std::function<void(SavedAsset)>& callback) const
 {
+	auto& gs = GlobalStates::GetInstance();
+	DiscoverFilesByExtension(callback, gs.GetCurrentProject()->GetTemplatesDirectory(), ".cplt-template"sv);
+}
+
+Template* TemplateAssetCategory::CreateEmpty(const SavedAsset& diskForm) const
+{
+	// TODO
+}
+
+Template* TemplateAssetCategory::Load(const SavedAsset& diskForm) const
+{
+	std::ifstream ifs(diskForm.Path);
+	if (!ifs) return nullptr;
+
+	uint32_t iKind;
+	ifs >> iKind;
+
+	auto kind = (Template::Kind)iKind;
+	auto tmpl = Template::CreateByKind(kind);
+
+	auto res = tmpl->ReadFrom(ifs);
+	if (res != Template::RR_Success) {
+		return nullptr;
+	}
+
+	return tmpl.release();
+}
+
+void TemplateAssetCategory::SetupDetailsTable(const char* tableId) const
+{
+	ImGui::BeginTable(tableId, 3);
+
+	ImGui::TableSetupColumn("Name");
+	ImGui::TableSetupColumn("Type");
+	ImGui::TableSetupColumn("Modified time");
+	ImGui::TableHeadersRow();
+}
+
+void TemplateAssetCategory::DrawBigIcon(const SavedAsset& asset) const
+{
+	// TODO
+}
+
+void TemplateAssetCategory::DrawDetailsTableRow(const SavedAsset& asset) const
+{
+	ImGui::TableNextColumn();
+	ImGui::TextUnformatted(asset.Name.c_str());
+
+	ImGui::TableNextColumn();
+	// TODO
+	//ImGui::TextUnformatted(Template::FormatKind(asset.));
+
+	ImGui::TableNextColumn();
 	// TODO
-	return nullptr;
 }
diff --git a/core/src/Model/Template/fwd.hpp b/core/src/Model/Template/fwd.hpp
index 6bc7349..aad9f14 100644
--- a/core/src/Model/Template/fwd.hpp
+++ b/core/src/Model/Template/fwd.hpp
@@ -8,4 +8,4 @@ class TableTemplate;
 
 // Template.hpp
 class Template;
-class TemplateInfo;
+class TemplateAssetCategory;