feat: allow to remove templates

src/core/config/config.cpp

@@ -216,6 +216,32 @@ Result<void> config::update_template(const std::string &key,
     return m_file->save_file();
 }
 
+Result<void> config::remove_template(const std::string &key)
+{
+    if (!m_file)
+        return Err<void>(error_code::config_missing, "Configuration not initialized");
+    
+    auto it = m_themes.find(key);
+    if (it == m_themes.end())
+        return Err<void>(error_code::template_not_found, "Template not found", key);
+    
+    std::filesystem::path template_file = it->second.template_path();
+    if (std::filesystem::exists(template_file))
+    {
+        try {
+            std::filesystem::remove(template_file);
+        } catch (const std::exception& e) {
+            return Err<void>(error_code::file_write_failed, "Failed to delete template file", e.what());
+        }
+    }
+    
+    m_themes.erase(it);
+    
+    m_file->remove_section("templates." + key);
+    
+    return m_file->save_file();
+}
+
 const std::unordered_map<std::string, clrsync::core::theme_template> config::templates()
 {
     if (m_themes.empty() && m_file)

src/core/config/config.hpp

@@ -33,6 +33,7 @@ class config
 
     Result<void> update_template(const std::string &key,
                          const clrsync::core::theme_template &theme_template);
+    Result<void> remove_template(const std::string &key);
     static std::filesystem::path get_data_dir();
 
   private:

src/core/io/file.hpp

@@ -41,6 +41,7 @@ class file
     }
     virtual void insert_or_update_value(const std::string &section, const std::string &key,
                                         const value_type &value) {};
+    virtual void remove_section(const std::string &section) {};
     virtual Result<void> save_file() { return Ok(); };
 };
 } // namespace clrsync::core::io

src/core/io/toml_file.cpp

@@ -92,6 +92,25 @@ void toml_file::insert_or_update_value(const std::string &section, const std::st
     std::visit([&](auto &&v) { tbl->insert_or_assign(key, v); }, value);
 }
 
+void toml_file::remove_section(const std::string &section)
+{
+    toml::table *tbl = m_file.as_table();
+    auto parts = split(section, '.');
+    
+    if (parts.empty())
+        return;
+    
+    for (size_t i = 0; i < parts.size() - 1; ++i)
+    {
+        auto *sub = (*tbl)[parts[i]].as_table();
+        if (!sub)
+            return;
+        tbl = sub;
+    }
+    
+    tbl->erase(parts.back());
+}
+
 Result<void> toml_file::save_file()
 {
     try {

src/core/io/toml_file.hpp

@@ -19,6 +19,7 @@ class toml_file : public file
     std::map<std::string, value_type> get_table(const std::string &section_path) const override;
     void insert_or_update_value(const std::string &section, const std::string &key,
                                 const value_type &value) override;
+    void remove_section(const std::string &section) override;
     Result<void> save_file() override;
 
   private:

src/gui/color_scheme_editor.cpp

@@ -133,10 +133,14 @@ void color_scheme_editor::render_controls()
     }
 
     ImGui::SameLine();
+    ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0.8f, 0.2f, 0.2f, 1.0f));
+    ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4(1.0f, 0.3f, 0.3f, 1.0f));
+    ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImVec4(0.6f, 0.1f, 0.1f, 1.0f));
     if (ImGui::Button("Delete"))
     {
         m_controller.delete_current_palette();
     }
+    ImGui::PopStyleColor(3);
 
     ImGui::SameLine();
     if (ImGui::Button("Apply"))

src/gui/template_controller.cpp

@@ -15,6 +15,15 @@ void template_controller::set_template_enabled(const std::string& key, bool enab
     }
 }
 
+void template_controller::set_template_input_path(const std::string& key, const std::string& path)
+{
+    auto it = m_templates.find(key);
+    if (it != m_templates.end()) {
+        it->second.set_template_path(path);
+        (void)clrsync::core::config::instance().update_template(key, it->second);
+    }
+}
+
 void template_controller::set_template_output_path(const std::string& key, const std::string& path)
 {
     auto it = m_templates.find(key);
@@ -33,6 +42,16 @@ void template_controller::set_template_reload_command(const std::string& key, co
     }
 }
 
+bool template_controller::remove_template(const std::string& key)
+{
+    auto result = clrsync::core::config::instance().remove_template(key);
+    if (result) {
+        m_templates.erase(key);
+        return true;
+    }
+    return false;
+}
+
 void template_controller::refresh()
 {
     m_templates = m_template_manager.templates();

src/gui/template_controller.hpp

@@ -12,8 +12,10 @@ public:
     template_controller();
     [[nodiscard]] const std::unordered_map<std::string, clrsync::core::theme_template>& templates() const { return m_templates; }
     void set_template_enabled(const std::string& key, bool enabled);
+    void set_template_input_path(const std::string& key, const std::string& path);
     void set_template_output_path(const std::string& key, const std::string& path);
     void set_template_reload_command(const std::string& key, const std::string& cmd);
+    bool remove_template(const std::string& key);
     void refresh();
     
 private:

src/gui/template_editor.cpp

@@ -118,6 +118,40 @@ void template_editor::render()
     render_editor();
     ImGui::EndChild();
 
+    if (m_show_delete_confirmation)
+    {
+        ImGui::OpenPopup("Delete Template?");
+        m_show_delete_confirmation = false;
+    }
+
+    if (ImGui::BeginPopupModal("Delete Template?", nullptr, ImGuiWindowFlags_AlwaysAutoResize))
+    {
+        ImGui::Text("Are you sure you want to delete '%s'?", m_template_name.c_str());
+        ImGui::Text("This action cannot be undone.");
+        ImGui::Separator();
+
+        if (ImGui::Button("Delete", ImVec2(120, 0)))
+        {
+            bool success = m_template_controller.remove_template(m_template_name);
+            if (success)
+            {
+                new_template();
+                refresh_templates();
+            }
+            else
+            {
+                m_validation_error = "Failed to delete template";
+            }
+            ImGui::CloseCurrentPopup();
+        }
+        ImGui::SameLine();
+        if (ImGui::Button("Cancel", ImVec2(120, 0)))
+        {
+            ImGui::CloseCurrentPopup();
+        }
+        ImGui::EndPopup();
+    }
+
     ImGui::End();
 }
 
@@ -140,6 +174,19 @@ void template_editor::render_controls()
         save_template();
     }
 
+    if (m_is_editing_existing)
+    {
+        ImGui::SameLine();
+        ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0.8f, 0.2f, 0.2f, 1.0f));
+        ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4(1.0f, 0.3f, 0.3f, 1.0f));
+        ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImVec4(0.6f, 0.1f, 0.1f, 1.0f));
+        if (ImGui::Button("Delete"))
+        {
+            delete_template();
+        }
+        ImGui::PopStyleColor(3);
+    }
+
     ImGui::SameLine();
     ImGui::Text("Template Name:");
     ImGui::SameLine();
@@ -164,6 +211,24 @@ void template_editor::render_controls()
         }
     }
 
+    ImGui::Text("Input Path:");
+    ImGui::SameLine();
+    ImGui::SetNextItemWidth(-FLT_MIN);
+    char input_path_buf[512] = {0};
+    snprintf(input_path_buf, sizeof(input_path_buf), "%s", m_input_path.c_str());
+    if (ImGui::InputText("##input_path", input_path_buf, sizeof(input_path_buf)))
+    {
+        m_input_path = input_path_buf;
+        if (!m_input_path.empty())
+        {
+            m_validation_error = "";
+        }
+        if (m_is_editing_existing)
+        {
+            m_template_controller.set_template_input_path(m_template_name, m_input_path);
+        }
+    }
+
     ImGui::Text("Output Path:");
     ImGui::SameLine();
     ImGui::SetNextItemWidth(-FLT_MIN);
@@ -318,6 +383,10 @@ void template_editor::save_template()
     trimmed_name.erase(0, trimmed_name.find_first_not_of(" \t\n\r"));
     trimmed_name.erase(trimmed_name.find_last_not_of(" \t\n\r") + 1);
 
+    std::string trimmed_input_path = m_input_path;
+    trimmed_input_path.erase(0, trimmed_input_path.find_first_not_of(" \t\n\r"));
+    trimmed_input_path.erase(trimmed_input_path.find_last_not_of(" \t\n\r") + 1);
+
     std::string trimmed_path = m_output_path;
     trimmed_path.erase(0, trimmed_path.find_first_not_of(" \t\n\r"));
     trimmed_path.erase(trimmed_path.find_last_not_of(" \t\n\r") + 1);
@@ -328,6 +397,12 @@ void template_editor::save_template()
         return;
     }
 
+    if (trimmed_input_path.empty())
+    {
+        m_validation_error = "Error: Input path cannot be empty!";
+        return;
+    }
+
     if (trimmed_path.empty())
     {
         m_validation_error = "Error: Output path cannot be empty!";
@@ -344,29 +419,22 @@ void template_editor::save_template()
     m_validation_error = "";
 
     auto &cfg = clrsync::core::config::instance();
-    std::string palettes_path = cfg.palettes_path();
-    std::filesystem::path templates_dir =
-        std::filesystem::path(palettes_path).parent_path() / "templates";
 
-    if (!std::filesystem::exists(templates_dir))
+    std::filesystem::path template_file = trimmed_input_path;
+    
+    // Ensure the parent directory exists
+    auto parent_dir = template_file.parent_path();
+    if (!parent_dir.empty() && !std::filesystem::exists(parent_dir))
     {
-        std::filesystem::create_directories(templates_dir);
+        try
+        {
+            std::filesystem::create_directories(parent_dir);
         }
-
-    std::filesystem::path template_file;
-    if (m_is_editing_existing)
+        catch (const std::exception& e)
         {
-        auto existing_template_result = cfg.template_by_name(trimmed_name);
-        if (!existing_template_result)
-        {
-            m_validation_error = "Template not found: " + existing_template_result.error().description();
+            m_validation_error = "Error: Could not create directory for input path";
             return;
         }
-        template_file = existing_template_result.value()->template_path();
-    }
-    else
-    {
-        template_file = templates_dir / trimmed_name;
     }
 
     std::string template_content = m_editor.GetText();
@@ -393,6 +461,7 @@ void template_editor::save_template()
     }
 
     m_template_name = trimmed_name;
+    m_input_path = trimmed_input_path;
     m_output_path = trimmed_path;
     m_is_editing_existing = true;
     m_saved_content = m_editor.GetText();
@@ -410,6 +479,7 @@ void template_editor::load_template(const std::string &name)
     {
         const auto &tmpl = it->second;
         m_template_name = name;
+        m_input_path = tmpl.template_path();
         m_output_path = tmpl.output_path();
         m_reload_command = tmpl.reload_command();
         m_enabled = tmpl.enabled();
@@ -446,6 +516,7 @@ void template_editor::new_template()
         "Examples: {color.hex}, {color.rgb}, {color.r}\n\n";
     m_editor.SetText(default_content);
     m_saved_content = default_content;
+    m_input_path = "";
     m_output_path = "";
     m_reload_command = "";
     m_enabled = true;
@@ -454,6 +525,14 @@ void template_editor::new_template()
     m_has_unsaved_changes = false;
 }
 
+void template_editor::delete_template()
+{
+    if (!m_is_editing_existing || m_template_name.empty())
+        return;
+    
+    m_show_delete_confirmation = true;
+}
+
 void template_editor::refresh_templates()
 {
     m_template_controller.refresh();

src/gui/template_editor.hpp

@@ -21,6 +21,7 @@ private:
     void save_template();
     void load_template(const std::string &name);
     void new_template();
+    void delete_template();
     void refresh_templates();
 
     bool is_valid_path(const std::string &path);
@@ -29,6 +30,7 @@ private:
     TextEditor m_editor;
     
     std::string m_template_name;
+    std::string m_input_path;
     std::string m_output_path;
     std::string m_reload_command;
     std::string m_validation_error;
@@ -37,6 +39,7 @@ private:
     
     bool m_enabled{true};
     bool m_is_editing_existing{false};
+    bool m_show_delete_confirmation{false};
 };
 
 #endif // CLRSYNC_GUI_TEMPLATE_EDITOR_HPP