Implemented prefix settings, saving & loading of settings

Also fixed some bugs:
- Presenter now has default values for its settings in case they don't load properly
- UnitDatabase ensures its units, prefixes and dimensions have all of the names
you give it

1 files changed, 19 insertions, 0 deletions

diff --git a/src/main/java/sevenUnitsGUI/UnitConversionRecord.java b/src/main/java/sevenUnitsGUI/UnitConversionRecord.java
index 60675e2..f951f44 100644
--- a/src/main/java/sevenUnitsGUI/UnitConversionRecord.java
+++ b/src/main/java/sevenUnitsGUI/UnitConversionRecord.java
@@ -16,6 +16,9 @@
  */
 package sevenUnitsGUI;
 
+import java.math.RoundingMode;
+
+import sevenUnits.unit.LinearUnitValue;
 import sevenUnits.unit.UnitValue;
 
 /**
@@ -25,6 +28,22 @@ import sevenUnits.unit.UnitValue;
  */
 public final class UnitConversionRecord {
 	/**
+	 * Gets a {@code UnitConversionRecord} from two linear unit values
+	 *
+	 * @param input  input unit & value
+	 * @param output output unit & value
+	 * @return unit conversion record
+	 * @since 2022-04-09
+	 */
+	public static UnitConversionRecord fromLinearValues(LinearUnitValue input,
+			LinearUnitValue output) {
+		return UnitConversionRecord.valueOf(input.getUnit().getName(),
+				output.getUnit().getName(),
+				input.getValue().toString(false, RoundingMode.HALF_EVEN),
+				output.getValue().toString(false, RoundingMode.HALF_EVEN));
+	}
+	
+	/**
 	 * Gets a {@code UnitConversionRecord} from two unit values
 	 *
 	 * @param input  input unit & value