Use only one settings file (ofxpimapper.xml)

Create it if it is not there.

src/Application/Application.cpp

@@ -32,10 +32,14 @@ Application::Application(){
 }
 
 void Application::setup(){
-	if(!loadXmlSettings(PIMAPPER_USER_SURFACES_XML_FILE)){
-		ofLogWarning("Application::setup()") << "Failed to load user settings" << endl;
-		if(!loadXmlSettings(PIMAPPER_DEF_SURFACES_XML_FILE)){
-			ofLogWarning("Application::setup()") << "Failed to load default settings" << endl;
+	if(!loadXmlSettings(PIMAPPER_SETTINGS_FILE)){
+		if(SettingsLoader::instance()->create(PIMAPPER_SETTINGS_FILE)){
+			bool success = loadXmlSettings(PIMAPPER_SETTINGS_FILE);
+			if(!success){
+				throw runtime_error("ofxPiMapper: Failed to load settings.");
+			}
+		}else{
+			throw runtime_error("ofxPiMapper: Failed to create default settings file.");
 		}
 	}
 	

src/Application/Application.h

@@ -22,8 +22,7 @@
 #include "Gui.h"
 #include "TerminalListener.h"
 
-#define PIMAPPER_DEF_SURFACES_XML_FILE "defaultSurfaces.xml"
-#define PIMAPPER_USER_SURFACES_XML_FILE "surfaces.xml"
+#define PIMAPPER_SETTINGS_FILE "ofxpimapper.xml"
 
 namespace ofx {
 namespace piMapper {

src/Application/SettingsLoader.cpp

@@ -33,9 +33,9 @@ bool SettingsLoader::load(
 	}
 	
 	if(!xmlSettings->tagExists("surfaces")){
-		ofLogWarning("SettingsLoader::load()") << "XML settings is empty or has wrong markup";
-		return false;
-	}else{
+		xmlSettings->addTag("surfaces");
+	}
+	
 	// Count <surfaces> tags.
 	unsigned int numPresets = xmlSettings->getNumTags("surfaces");
 	cout << "numPresets: " << numPresets << endl;
@@ -136,7 +136,6 @@ bool SettingsLoader::load(
 		xmlSettings->popTag(); // surfaces
 		
 	} // for
-	}
 	
 	_lastLoadedFilename = fileName;
 	
@@ -231,6 +230,12 @@ bool SettingsLoader::save(SurfaceManager & surfaceManager, string fileName){
 	xmlSettings->save(fileName);
 }
 
+bool SettingsLoader::create(string fileName){
+	ofxXmlSettings xml;
+	xml.addTag("surfaces");
+	return xml.save(fileName);
+}
+
 BaseSurface * SettingsLoader::getTriangleSurface(ofxXmlSettings * xmlSettings){
 	vector <ofVec2f> vertices;
 	

src/Application/SettingsLoader.h

@@ -19,6 +19,7 @@ class SettingsLoader {
 	
 		bool load(SurfaceManager & surfaceManager, MediaServer & mediaServer, string fileName);
 		bool save(SurfaceManager & surfaceManager, string fileName);
+		bool create(string fileName);
 	
 		string getLastLoadedFilename(){ return _lastLoadedFilename; };