Lua Service: add mmProject() and lua project getters

frontend/services/lua_service_wrapper/Lua_Service_Wrapper.cpp

@@ -16,6 +16,7 @@
 #include "FrameStatistics.h"
 #include "GUIState.h"
 #include "GlobalValueStore.h"
+#include "MegaMolProject.h"
 #include "RuntimeConfig.h"
 #include "Screenshots.h"
 #include "WindowManipulation.h"
@@ -119,8 +120,9 @@ bool Lua_Service_Wrapper::init(const Config& config) {
  frontend_resources::CommandRegistry_Req_Name,
  "optional<GUIRegisterWindow>",
  "RuntimeConfig",
+ "MegaMolProject",
 #ifdef PROFILING
-#define PROFILING_RESOURCE_SLOT 11
+#define PROFILING_RESOURCE_SLOT 12
  frontend_resources::PerformanceManager_Req_Name,
 #endif
  }; //= {"ZMQ_Context"};
@@ -676,6 +678,64 @@ void Lua_Service_Wrapper::fill_graph_manipulation_callbacks(void* callbacks_coll
 
  return StringResult{answer.str().c_str()};
  }});
+
+ callbacks.add<VoidResult>("mmProject",
+ "()\n\tSets the current script file as active project, clearing all previous graph state",
+ {[&]() -> VoidResult {
+ // clear graph
+ auto& graph = const_cast<megamol::core::MegaMolGraph&>(
+ m_requestedResourceReferences[5].getResource<megamol::core::MegaMolGraph>());
+
+ graph.Clear();
+
+ // set current script file as project
+ auto& project = const_cast<frontend_resources::MegaMolProject&>(
+ m_requestedResourceReferences[11].getResource<frontend_resources::MegaMolProject>());
+
+ auto scriptpath = luaAPI.GetScriptPath();
+
+ if (scriptpath.empty())
+ return Error{"mmProject() error: no script path set. can not use it as project path."};
+
+ project.setProjectFile(scriptpath);
+
+ return VoidResult{};
+ }});
+
+ callbacks.add<StringResult>("mmGetProjectFile",
+ "()\n\tReturns the current project file, i.e. the script file. If no script file is set, an error is returned.",
+ {[&]() -> StringResult {
+ auto& project = m_requestedResourceReferences[11].getResource<frontend_resources::MegaMolProject>();
+
+ if (!project.attributes.has_value())
+ return Error{"mmGetProjectFile() error: no project file set."};
+
+ return StringResult{project.attributes.value().project_file.string()};
+ }});
+
+ callbacks.add<StringResult>("mmGetProjectDirectory",
+ "()\n\tReturns the current project directory. If no script file is set, an error is returned.",
+ {[&]() -> StringResult {
+ auto& project = m_requestedResourceReferences[11].getResource<frontend_resources::MegaMolProject>();
+
+ if (!project.attributes.has_value())
+ return Error{"mmGetProjectDirectory() error: no project directory set."};
+
+ // has trailing '/'
+ return StringResult{project.attributes.value().project_directory.string()};
+ }});
+
+ callbacks.add<StringResult>("mmGetProjectName",
+ "()\n\tReturns the name of the current project directory. If no script file is set, an error is returned.",
+ {[&]() -> StringResult {
+ auto& project = m_requestedResourceReferences[11].getResource<frontend_resources::MegaMolProject>();
+
+ if (!project.attributes.has_value())
+ return Error{"mmGetProjectName() error: no project name set."};
+
+ return StringResult{project.attributes.value().project_name};
+ }});
+
 #ifdef PROFILING
  callbacks.add<StringResult, std::string>("mmListModuleTimers",
  "(string name)\n\tList the registered timers of a module.", {[&](std::string name) -> StringResult {

frontend/services/project_loader/ProjectLoader_Service.cpp

@@ -127,6 +127,7 @@ bool ProjectLoader_Service::load_file(std::filesystem::path const& filename) con
  }
 
  log("loaded file " + filename.generic_u8string() + ((script_error.size()) ? "\n\t" + script_error : ""));
+
  return true;
 }