Add patch to load older saved files

Author: aacuevas

Builds/VisualStudio2013/open-ephys.sln

@@ -1,21 +1,31 @@
-Microsoft Visual Studio Solution File, Format Version 11.00
+Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 2013
-Project("{5A05F353-1D63-394C-DFB0-981BB2309002}") = "open-ephys", "open-ephys.vcxproj", "{9C924D66-7DEC-1AEF-B375-DB8666BFB909}"
+VisualStudioVersion = 12.0.31101.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "open-ephys", "open-ephys.vcxproj", "{9C924D66-7DEC-1AEF-B375-DB8666BFB909}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
-		Release|Win32 = Release|Win32
+		Debug|x64 = Debug|x64
+		Debug64|Win32 = Debug64|Win32
 		Debug64|x64 = Debug64|x64
+		Release|Win32 = Release|Win32
+		Release|x64 = Release|x64
+		Release64|Win32 = Release64|Win32
 		Release64|x64 = Release64|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug|Win32.ActiveCfg = Debug|Win32
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug|Win32.Build.0 = Debug|Win32
-		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release|Win32.ActiveCfg = Release|Win32
-		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release|Win32.Build.0 = Release|Win32
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug|x64.ActiveCfg = Debug|Win32
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug64|Win32.ActiveCfg = Debug64|x64
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug64|x64.ActiveCfg = Debug64|x64
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug64|x64.Build.0 = Debug64|x64
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release|Win32.ActiveCfg = Release|Win32
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release|Win32.Build.0 = Release|Win32
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release|x64.ActiveCfg = Release|Win32
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release64|Win32.ActiveCfg = Release64|x64
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release64|x64.ActiveCfg = Release64|x64
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release64|x64.Build.0 = Release64|x64
 	EndGlobalSection

Source/UI/EditorViewport.cpp

@@ -1466,6 +1466,7 @@ const String EditorViewport::loadState(File fileToLoad)
 
     bool sameVersion = false;
 	bool pluginAPI = false;
+	bool rhythmNodePatch = false;
     String versionString;
 
     forEachXmlChildElement(*xml, element)
@@ -1477,8 +1478,12 @@ const String EditorViewport::loadState(File fileToLoad)
                 if (element2->hasTagName("VERSION"))
                 {
                     versionString = element2->getAllSubText();
-                    // float majorVersion = versionString.upToFirstOccurrenceOf(".", false, true).getIntValue();
-                    //             float minorVersion = versionString.fromFirstOccurrenceOf(".", false, true).getFloatValue();
+					StringArray tokens;
+					tokens.addTokens(versionString, ".", String::empty);
+
+					//Patch to correctly load saved chains from before 0.4.4
+					if (tokens[0].getIntValue() == 0 && tokens[1].getIntValue() == 4 && tokens[2].getIntValue() < 4)
+						rhythmNodePatch = true;
 
                     if (versionString.equalsIgnoreCase(JUCEApplication::getInstance()->getApplicationVersion()))
                         sameVersion = true;
@@ -1570,6 +1575,20 @@ const String EditorViewport::loadState(File fileToLoad)
 					procDesc.add(processor->getIntAttribute("libraryVersion"));
 					procDesc.add(processor->getBoolAttribute("isSource"));
 					procDesc.add(processor->getBoolAttribute("isSink"));
+
+					if (rhythmNodePatch) //old version, when rhythm was a plugin
+					{
+						if (int(procDesc[2]) == -1) //if builtin
+						{
+							if (int(procDesc[3]) == 0) //Rhythm node
+							{
+								procDesc.set(2, 4); //DataThread
+								procDesc.set(3, 1); //index
+								procDesc.set(4, "Rhytm FPGA"); //libraryName
+							}
+						}
+					}
+
                     SourceDetails sd = SourceDetails(procDesc,
                                                      0,
                                                      Point<int>(0,0));