Add revert button

app/src/main/java/com/ridgebotics/ridgescout/scoutingData/ScoutingDataWriter.java

@@ -12,6 +12,7 @@ import com.ridgebotics.ridgescout.utility.FileEditor;
 import com.ridgebotics.ridgescout.utility.BuiltByteParser;
 import com.ridgebotics.ridgescout.utility.ByteBuilder;
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
 
@@ -58,11 +59,18 @@ public class ScoutingDataWriter {
     public static ParsedScoutingDataResult load(String filename, FieldType[][] values , TransferType[][] transferValues){
         byte[] bytes = FileEditor.readFile(filename);
         BuiltByteParser bbp = new BuiltByteParser(bytes);
+
         try {
             ArrayList<BuiltByteParser.parsedObject> objects = bbp.parse();
             DataType[] dataTypes = new DataType[objects.size()-2];
 
             int version = ((int)objects.get(0).get());
+
+            if(values.length <= version) {
+                AlertManager.addSimpleError("Field version (" +version + ") is too recent as compared to latest version (" + (values.length-1) + ")!");
+                throw new BuiltByteParser.byteParsingExeption();
+            }
+
 //            System.out.println(version);
             String username = (String) objects.get(1).get();
 

app/src/main/java/com/ridgebotics/ridgescout/ui/settings/FieldsFragment.java

@@ -134,7 +134,10 @@ public class FieldsFragment extends Fragment {
 
         binding.saveButton.setOnClickListener(l -> save());
 
-//        binding.previewButton.setOnClickListener(v -> startPreview());
+        if(tmp_values.length > 1)
+            binding.revertButton.setOnClickListener(v -> revertPopup());
+        else
+            binding.revertButton.setEnabled(false);
 
 
         return binding.getRoot();
@@ -259,8 +262,8 @@ public class FieldsFragment extends Fragment {
     private void save(){
         AlertDialog.Builder alert = new AlertDialog.Builder(getContext());
         alert.setTitle("Warning!");
-        alert.setMessage("Changing or removing some values will result in lost data!\nBut this will create a new field version, and you can revert at any time.");
-        alert.setPositiveButton("OK", (dialog, which) -> {
+        alert.setMessage("Changing or removing some values will result in lost data! but you can revert at any time.");
+        alert.setNeutralButton("Save", (dialog, which) -> {
             FieldType[][] currentValues = Fields.load(filename);
             assert currentValues != null;
             FieldType[][] newValues = new FieldType[currentValues.length+1][];
@@ -286,6 +289,23 @@ public class FieldsFragment extends Fragment {
     }
 
     public void revertPopup(){
+        AlertDialog.Builder alert = new AlertDialog.Builder(getContext());
+        alert.setTitle("Warning!");
+        alert.setMessage("If there is any data scouted with this version of the fields, it will cause conflicts!\nYou should know what you are doing");
+        alert.setNeutralButton("Revert and delete version", (dialog, which) -> {
+            FieldType[][] currentValues = Fields.load(filename);
+            assert currentValues != null;
+            FieldType[][] newValues = new FieldType[currentValues.length-1][];
 
+            System.arraycopy(currentValues, 0, newValues, 0, currentValues.length - 1);
+
+            if(Fields.save(filename, newValues))
+                AlertManager.toast("Saved");
+
+            Navigation.findNavController((Activity) getContext(), R.id.nav_host_fragment_activity_main).navigate(R.id.action_navigation_data_fields_to_navigation_settings);
+        });
+        alert.setNegativeButton("Cancel", null);
+        alert.setCancelable(true);
+        alert.create().show();
     }
 }

app/src/main/java/com/ridgebotics/ridgescout/utility/AlertManager.java

@@ -57,6 +57,7 @@ public class AlertManager {
 
     public static void error(Exception e) {
         e.printStackTrace();
+//        simpleErrorList.add(e.getMessage());
 
         StringWriter sw = new StringWriter();
         e.printStackTrace(new PrintWriter(sw));
@@ -95,8 +96,10 @@ public class AlertManager {
                 alert.setMessage(String.join("\n", simpleErrorList));
 
             alert.setPositiveButton("OK", (dialogInterface, i) -> {if(currentError != null){errorList.clear(); simpleErrorList.clear();}});
+
             if(!errorList.isEmpty())
                 alert.setNeutralButton("View Detailed Error" + (errorList.size() != 1 ? "s" : ""), (dialogInterface, i) -> alert(errorList.size() + " Error" + (errorList.size() != 1 ? "s" : "") + ":", String.join("\n\n\n\n\n", errorList)));
+
             alert.setOnDismissListener((x) -> {if(currentError != null){errorList.clear(); simpleErrorList.clear();}});
 
 

app/src/main/java/com/ridgebotics/ridgescout/utility/BuiltByteParser.java

@@ -13,7 +13,7 @@ public class BuiltByteParser {
     public static final Integer stringArrayType = 4;
     public static final Integer longType = 5;
 
-    public class byteParsingExeption extends Exception {
+    public static class byteParsingExeption extends Exception {
         public byteParsingExeption() {}
         public byteParsingExeption(String message) {
             super(message);