[data_store] dbgui for datastore

src/tz/core/data/data_store.dbgui.cpp

@@ -1,10 +1,109 @@
 #include "tz/core/data/data_store.hpp"
+#include "imgui.h"
 #include "tz/dbgui/dbgui.hpp"
 
 namespace tz
 {
+	void dbgui_data_store_value(data_store* ds, std::string key, data_store_value val)
+	{
+		std::visit([&ds, &key](auto&& arg)
+		{
+			using T = std::decay_t<decltype(arg)>;
+			T v = arg;
+			auto set = [&ds, &key, &v]()
+			{
+				ds->set
+				({
+					.key = key,
+					.val = v
+				});
+			};
+			if constexpr(std::is_same_v<T, bool>)
+			{
+				if(ImGui::Checkbox("##bool", &v))
+				{
+					set();
+				}
+			}
+			else if constexpr(std::is_same_v<T, float>)
+			{
+				if(ImGui::InputFloat("##float", &v, 0.0f, 0.0f, "%g", ImGuiInputTextFlags_EnterReturnsTrue))
+				{
+					set();
+				}
+			}
+			else if constexpr(std::is_same_v<T, double>)
+			{
+				if(ImGui::InputDouble("##double", &v, 0.0, 0.0, "%g", ImGuiInputTextFlags_EnterReturnsTrue))
+				{
+					set();
+				}
+			}
+			else if constexpr(std::is_same_v<T, int>)
+			{
+				if(ImGui::InputInt("##int", &v, 1, 100, ImGuiInputTextFlags_EnterReturnsTrue))
+				{
+					set();
+				}
+			}
+			else if constexpr(std::is_same_v<T, unsigned int>)
+			{
+				if(ImGui::InputScalar("##uint", ImGuiDataType_U32, &v, 0, 0, 0, ImGuiInputTextFlags_EnterReturnsTrue))
+				{
+					set();
+				}
+			}
+			else if constexpr(std::is_same_v<T, std::string>)
+			{
+				if(ImGui::InputText("##str", &v, ImGuiInputTextFlags_EnterReturnsTrue))
+				{
+					set();
+				}
+			}
+		}, val);
+	}
+
 	void data_store::dbgui()
 	{
-		ImGui::Text("Coming Soon!");
+		using store_t = decltype(this->store);
+		// retrieve a copy for minimal lock contention.
+		store_t store_cpy;
+		{
+			std::shared_lock<mutex> slock(this->mtx);
+			store_cpy = this->store;
+		}
+		ImGui::Text("%zu entries", store_cpy.size());
+		if(ImGui::Button("Clear"))
+		{
+			this->clear();
+		}
+		ImGui::Separator();
+		if(ImGui::BeginTable("datastore", 2))
+		{
+			for(const auto& [key, val] : store_cpy)
+			{
+				int hash = std::hash<std::string>{}(key);
+				ImGui::PushID(hash);
+				ImGui::TableNextRow();
+				ImGui::TableNextColumn();
+				if(ImGui::Button("x"))
+				{
+					this->remove({.key = key});
+					ImGui::PopID();
+					break;
+				}
+				ImGui::SameLine();
+				if(!std::holds_alternative<std::nullptr_t>(val) && ImGui::Button("o"))
+				{
+					this->set({.key = key, .val = nullptr});
+				}
+				ImGui::SameLine();
+				ImGui::Text("%s", key.c_str());
+				ImGui::TableNextColumn();
+				dbgui_data_store_value(this, key, val);
+				ImGui::PopID();
+			}
+			ImGui::EndTable();
+		}
 	}
 }