custom save gui/timeline

gui.cpp

	listeners.push_back(gui.savePressedE.newListener([this]{
		auto saveTo = ofSystemSaveDialog(ofGetTimestampString() + ".json", "save settings");
		if(saveTo.bSuccess){
			auto path = std::filesystem::path(saveTo.getPath());
			auto folder = path.parent_path();
			auto basename = path.stem().filename().string();
			auto extension = ofToLower(path.extension().string());
			auto timelineDir = (folder / (basename + "_timeline")).string();
			if(extension == ".xml"){
				ofXml xml;
				if(std::filesystem::exists(path)){
					xml.load(path);
				}
				ofSerialize(xml, gui.getParameter());
				timeline.saveTracksToFolder(timelineDir);
				timeline.saveStructure(timelineDir);
				xml.save(path);
			}else if(extension == ".json"){
				ofJson json = ofLoadJson(path);
				ofSerialize(json, gui.getParameter());
				timeline.saveTracksToFolder(timelineDir);
				timeline.saveStructure(timelineDir);
				ofSavePrettyJson(path, json);
			}else{
				ofLogError("ofxGui") << extension << " not recognized, only .xml and .json supported by now";
			}
		}
		return true;
	}));


	listeners.push_back(gui.loadPressedE.newListener([this]{
		auto loadFrom = ofSystemLoadDialog("load settings");
		if(loadFrom.bSuccess){
			auto path = std::filesystem::path(loadFrom.getPath());
			auto folder = path.parent_path();
			auto basename = path.stem().filename().string();
			auto extension = ofToLower(path.extension().string());
			auto timelineDir = (folder / (basename + "_timeline")).string();
			if(extension == ".xml"){
				ofXml xml;
				xml.load(path);
				ofDeserialize(xml, gui.getParameter());
				timeline.loadStructure(timelineDir);
				timeline.loadTracksFromFolder(timelineDir);
				timeline.setOffset(glm::vec2(0, ofGetHeight() - timeline.getHeight()));
				gui.refreshTimelined(&timeline);
			}else
			if(extension == ".json"){
				ofJson json;
				ofFile jsonFile(path);
				jsonFile >> json;
				ofDeserialize(json, gui.getParameter());
				timeline.loadStructure(timelineDir);
				timeline.loadTracksFromFolder(timelineDir);
				timeline.setOffset(glm::vec2(0, ofGetHeight() - timeline.getHeight()));
				gui.refreshTimelined(&timeline);
			}else{
				ofLogError("ofxGui") << extension << " not recognized, only .xml and .json supported by now";
			}
			resetWavelengths();
		}
		return true;
	}));