Implemented the functions of saving the workspace into a json file and loading from it.

Inc/Workflow_Editor.hpp

@@ -63,8 +63,11 @@ public:
     // 清除工作路由 true -> success / false -> failed
     bool Clear_Process_Route(void);
 
+    // 清除整个工作区
+    void Clear_All(void);
+
     // 加载取配置文件 true -> success / false -> failed
-    bool Load_Config(const char *file_path);
+    bool Load_Config(const char *file_path, ImVec2 initial_position = ImVec2(0, 0));
 
     // 存储配置文件 true -> success / false -> failed
     bool Store_Config(const char *file_path);

Src/Workflow_Editor.cpp

@@ -1,6 +1,7 @@
 #include "Workflow_Editor.hpp"
 #include "imgui_internal.h"
 #include "Global_Variables.hpp"
+#include "Json_Utilities.hpp"
 
 extern "C"
 {
@@ -15,6 +16,9 @@ void Workflow_Editor::Show(void)
     int bounding_box_link_nums = ImNodes::NumSelectedLinks();
     int bounding_box_node_nums = ImNodes::NumSelectedNodes();
 
+    // 加载配置文件标志位
+    bool Config_Load_Flag = false;
+
     // 浅色主题节点编辑器窗体
     ImNodes::StyleColorsLight();
     ImNodes::BeginNodeEditor();
@@ -69,6 +73,12 @@ void Workflow_Editor::Show(void)
                     if (this->Build_Process_Route() == false)
                         MessageBoxW(Main_Window_hWnd, L"构建工作树失败\n检查是否有合法的起始节点", L"", MB_OK | MB_ICONERROR);
 
+                if (ImGui::MenuItem(u8"存储工作区（Debug）"))
+                    this->Store_Config("[Debug]Config.Json");
+
+                if (ImGui::MenuItem(u8"加载工作区（Debug）"))
+                    Config_Load_Flag = true;
+
                 ImGui::EndPopup();
             }
             ImGui::PopStyleVar();
@@ -83,6 +93,10 @@ void Workflow_Editor::Show(void)
     }
     ImNodes::EndNodeEditor();
 
+    // 处理配置文件加载
+    if (Config_Load_Flag == true)
+        this->Load_Config("[Debug]Config.Json", ImGui::GetMousePos());
+
     // 处理连线
     {
         int source_id = -1, target_id = -1;
@@ -583,3 +597,221 @@ bool Workflow_Editor::Clear_Process_Route(void)
     this->Process_Route.swap(empty_route);
     return true;
 }
+
+// 清除整个工作区
+void Workflow_Editor::Clear_All(void)
+{
+    for (auto iterator = this->Node_Pool.begin(); iterator != this->Node_Pool.end(); iterator++)
+        iterator = this->Del_Node(iterator) - 1;
+    this->Clear_Process_Route();
+}
+
+// 加载取配置文件 true -> success / false -> failed
+bool Workflow_Editor::Load_Config(const char *file_path, ImVec2 initial_position)
+{
+    // 工具Lambda string 转 wstring
+    auto Lambda_String_To_WString = [](const std::string &str) -> std::wstring
+    {
+        if (str.empty())
+            return std::wstring();
+        int len = MultiByteToWideChar(CP_UTF8, 0, str.c_str(), (int)str.size(), nullptr, 0);
+        if (len <= 0)
+            return std::wstring();
+        std::wstring wstr(len, L'\0');
+        MultiByteToWideChar(CP_UTF8, 0, str.c_str(), (int)str.size(), &wstr[0], len);
+        return wstr;
+    };
+
+    Json_Value Config_Value;
+    std::string err_str = JsonFile_Parse(file_path, &Config_Value);
+
+    if (!err_str.empty())
+    {
+        MessageBoxW(Main_Window_hWnd, (L"文件解析错误!!\n" + Lambda_String_To_WString(err_str)).c_str(), L"", MB_OK | MB_ICONERROR);
+        return false;
+    }
+
+    // 清理工作区
+    this->Clear_All();
+    decltype(this->Node_Pool) Created_Node_List;
+
+    // 创建节点
+    {
+        auto Node_Info_List = Config_Value.asObject().get("Nodes").asArry().element_list;
+
+        // 计算中心坐标
+        ImVec2 Position_Offset = {0, 0};
+        for (auto Node_Info : Node_Info_List)
+        {
+            Position_Offset.x += Node_Info.asObject().get("position").asObject().get("x").asFloat();
+            Position_Offset.y += Node_Info.asObject().get("position").asObject().get("y").asFloat();
+        }
+        if (Node_Info_List.size() > 0)
+        {
+            Position_Offset.x /= Node_Info_List.size();
+            Position_Offset.y /= Node_Info_List.size();
+        }
+
+        // 计算与初始位置的偏移量
+        Position_Offset.x = initial_position.x - Position_Offset.x;
+        Position_Offset.y = initial_position.y - Position_Offset.y;
+
+        // 依次新建节点
+        for (auto Node_Info : Node_Info_List)
+        {
+
+            this->Add_Node((Abs_Node::Node_Type_Enum)Node_Info.asObject().get("type").asInteger(),
+                           ImVec2(Node_Info.asObject().get("position").asObject().get("x").asFloat() + Position_Offset.x,
+                                  Node_Info.asObject().get("position").asObject().get("y").asFloat() + Position_Offset.y));
+
+            Created_Node_List.push_back(this->Node_Pool.back());
+        }
+    }
+
+    // 创建连接关系
+    {
+        auto Link_Info_List = Config_Value.asObject().get("Connections").asArry().element_list;
+        for (auto Link_Info : Link_Info_List)
+        {
+            auto Source_Info = Link_Info.asObject().get("source").asObject();
+            auto Target_Info = Link_Info.asObject().get("target").asObject();
+
+            auto Source_Connector = Created_Node_List[Source_Info.get("owner").asInteger()]->Get_Connector_List()[Source_Info.get("index").asInteger()];
+            auto Target_Connector = Created_Node_List[Target_Info.get("owner").asInteger()]->Get_Connector_List()[Target_Info.get("index").asInteger()];
+
+            this->Add_Link(Source_Connector->Get_ID(), Target_Connector->Get_ID());
+        }
+    }
+
+    return true;
+}
+
+// 存储配置文件 true -> success / false -> failed
+bool Workflow_Editor::Store_Config(const char *file_path)
+{
+    FILE *pFile = fopen(file_path, "wb");
+    if (pFile == nullptr)
+    {
+        MessageBoxW(Main_Window_hWnd, L"文件打开失败!!", L"", MB_OK | MB_ICONERROR);
+        return false;
+    }
+    fclose(pFile);
+
+    std::vector<Json_Value> Node_Info_List;
+    std::vector<Json_Value> Link_Info_List;
+
+    // 工具Lambda表达式，查找接口id的所属节点
+    auto Lambda_Find_Owner = [&](int connector_id) -> std::shared_ptr<Abs_Node>
+    {
+        for (auto pNode : this->Node_Pool)
+        {
+            for (auto pConnector : pNode->Get_Connector_List())
+            {
+                if (pConnector->Get_ID() == connector_id)
+                    return pNode;
+            }
+        }
+
+        return nullptr;
+    };
+
+    // 遍历节点池，以遍历计数作为存储相对序列索引
+    size_t Node_Count = this->Node_Pool.size();
+    for (size_t node_index = 0; node_index < Node_Count; node_index++)
+    {
+        // 存储节点相关信息
+        ImVec2 position = ImNodes::GetNodeGridSpacePos(this->Node_Pool[node_index]->Get_ID());
+        Node_Info_List.push_back(
+            Json_Object({{"index", (int)node_index},                        //
+                         {"type", this->Node_Pool[node_index]->Get_Type()}, //
+                         {
+                             "position", Json_Object({
+                                             {"x", position.x}, //
+                                             {"y", position.y}  //
+                                         })                     //
+                         },                                     //
+                         {"args", Json_Arry()}}                 //
+                        ));
+
+        // 查询是有相关联的连接
+        for (auto edge : this->Edge_Pool)
+        {
+            // 存在关联连接时
+            if (Lambda_Find_Owner(edge.source_connector_id) == this->Node_Pool[node_index])
+            {
+                int target_node_index = -1;      // 目标节点索引
+                int source_connector_index = -1; // 源接口索引
+                int target_connector_index = -1; // 目标接口索引
+
+                // 查询源接口在源节点的索引
+                size_t list_size = this->Node_Pool[node_index]->Get_Connector_List().size();
+                for (size_t count = 0; count < list_size; count++)
+                    if (this->Node_Pool[node_index]->Get_Connector_List()[count]->Get_ID() == edge.source_connector_id)
+                    {
+                        source_connector_index = count;
+                        break;
+                    }
+
+                // 查询目标节点索引
+                auto pTarget_Node = Lambda_Find_Owner(edge.target_connector_id);
+                for (size_t count = 0; count < Node_Count; count++)
+                    if (this->Node_Pool[count] == pTarget_Node)
+                    {
+                        target_node_index = count;
+                        break;
+                    }
+
+                // 查询目标接口在目标节点的索引
+                list_size = pTarget_Node->Get_Connector_List().size();
+                for (size_t count = 0; count < list_size; count++)
+                    if (pTarget_Node->Get_Connector_List()[count]->Get_ID() == edge.target_connector_id)
+                    {
+                        target_connector_index = count;
+                        break;
+                    }
+
+                Link_Info_List.push_back(
+                    Json_Object(
+                        {
+                            {"source", Json_Object({
+                                           {"owner", (int)node_index},        //
+                                           {"index", source_connector_index}, //
+                                       })},                                   //
+                            {"target", Json_Object({
+                                           {"owner", target_node_index},      //
+                                           {"index", target_connector_index}, //
+                                       })}                                    //
+                        }));
+            }
+        }
+    }
+
+    std::string err_str = Json_Export(file_path,
+                                      Json_Object({
+                                          {"Nodes", Json_Arry(Node_Info_List)},      //
+                                          {"Connections", Json_Arry(Link_Info_List)} //
+                                      }),
+                                      true);
+
+    // 输出错误信息
+    if (!err_str.empty())
+    {
+        // 工具Lambda string 转 wstring
+        auto Lambda_String_To_WString = [](const std::string &str) -> std::wstring
+        {
+            if (str.empty())
+                return std::wstring();
+            int len = MultiByteToWideChar(CP_UTF8, 0, str.c_str(), (int)str.size(), nullptr, 0);
+            if (len <= 0)
+                return std::wstring();
+            std::wstring wstr(len, L'\0');
+            MultiByteToWideChar(CP_UTF8, 0, str.c_str(), (int)str.size(), &wstr[0], len);
+            return wstr;
+        };
+
+        MessageBoxW(Main_Window_hWnd, (L"存储配置文件失败!!\n" + Lambda_String_To_WString(err_str)).c_str(), L"", MB_OK | MB_ICONERROR);
+        return false;
+    }
+
+    return true;
+}