Add input validation when loading parameters in FileReader

Author: anjaldoshi

Plugins/SpikeViewer/SpikePlots.cpp

@@ -986,7 +986,7 @@ ProjectionAxes::ProjectionAxes (SpikeDisplayCanvas* canvas,
     n2ProjIdx (proj, &ampDim1, &ampDim2);
 
     channelNameLabel = std::make_unique<Label>();
-    channelNameLabel->setFont (13);
+    channelNameLabel->setFont (FontOptions (13.0f));
     channelNameLabel->setJustificationType (Justification::left);
     channelNameLabel->setColour (Label::textColourId, Colours::white.withAlpha (0.4f));
     channelNameLabel->setText (channelName, dontSendNotification);

Source/Processors/FileReader/FileReader.cpp

@@ -112,6 +112,9 @@ void FileReader::parameterValueChanged (Parameter* p)
     }
     else if (p->getName() == "start_time")
     {
+        if (! input)
+            return;
+
         TimeParameter* tp = static_cast<TimeParameter*> (p);
         startSample = millisecondsToSamples (tp->getTimeValue()->getTimeInMilliseconds());
 
@@ -122,6 +125,9 @@ void FileReader::parameterValueChanged (Parameter* p)
     }
     else if (p->getName() == "end_time")
     {
+        if (! input)
+            return;
+
         TimeParameter* tp = static_cast<TimeParameter*> (p);
         stopSample = millisecondsToSamples (tp->getTimeValue()->getTimeInMilliseconds());
 
@@ -194,6 +200,12 @@ void FileReader::initialize (bool signalChainIsLoading)
     if (isEnabled)
         return;
 
+    if (! defaultFile.exists())
+    {
+        CoreServices::sendStatusMessage ("File Reader: default file not found");
+        return;
+    }
+
     //setFile (defaultFile.getFullPathName(), false);
     input.reset (createBuiltInFileSource (0));
     input->openFile (defaultFile.getFullPathName());