paterns_menu: list and display paterns

src/paterns_menu.cpp

@@ -8,12 +8,17 @@
 
 #include <paterns_menu.hpp>
 
+#include <filesystem>
+#include <iostream>
+
 #include <imgui.h>
 #include <raylib.h>
 #include <rlImGui.h>
 
 namespace gol {
 
+PaternsMenu::PaternsMenu(std::shared_ptr<ctx> ctx): context_(ctx) {} 
+
 void PaternsMenu::Toogle() {
   is_open_ = !is_open_;
 }
@@ -22,12 +27,45 @@ bool PaternsMenu::isOpen() {
   return is_open_;
 }
 
+void PaternsMenu::refresh() {
+  paterns_name_list_.clear();
+  paterns_paths_list_.clear();
+  auto paterns_path = context_->program_dir / "paterns";
+  if (std::filesystem::exists(paterns_path) && std::filesystem::is_directory(paterns_path)) {
+    for (const auto& entry : std::filesystem::directory_iterator(paterns_path)) {
+      if (!std::filesystem::is_directory(entry) && entry.path().has_filename()) {
+        paterns_paths_list_[entry.path().filename()] = entry.path();
+        paterns_name_list_.push_back(entry.path().filename());
+      }
+    }
+  }
+}
+
+void PaternsMenu::loadPatern(std::string &path) {
+
+}
+
 void PaternsMenu::display() {
   if (is_open_) {
     ImGuiWindowFlags paterns_flags = ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoResize;
-    ImGui::SetNextWindowSize(ImVec2(150, 200), ImGuiCond_Always);
+    ImGui::SetNextWindowSize(ImVec2(200, 250), ImGuiCond_Always);
     ImGui::Begin("paterns", &is_open_, paterns_flags);
-    ImGui::Button("refresh");
+    for (auto patern_name: paterns_name_list_) {
+      ImGui::PushID(patern_name.c_str());
+      if (ImGui::Button(patern_name.c_str())) {
+        loadPatern(paterns_paths_list_[patern_name]);
+      }
+      ImGui::PopID();
+      ImGui::SameLine(ImGui::GetWindowWidth() - 57.);
+      std::string del_id = patern_name.c_str();
+      del_id.append("_del");
+      ImGui::PushID(del_id.c_str());
+      if (ImGui::Button("delete")) {
+        std::filesystem::remove(paterns_paths_list_[patern_name]);
+        refresh();
+      }
+      ImGui::PopID();
+    }
     ImGui::End();
   }
 }