Created API for settings and unit/prefix viewing

1 files changed, 53 insertions, 7 deletions

diff --git a/src/main/java/sevenUnitsGUI/Presenter.java b/src/main/java/sevenUnitsGUI/Presenter.java
index 9f8fe69..b38f90b 100644
--- a/src/main/java/sevenUnitsGUI/Presenter.java
+++ b/src/main/java/sevenUnitsGUI/Presenter.java
@@ -91,7 +91,7 @@ public final class Presenter {
 	 * @return text in About file
 	 * @since 2022-02-19
 	 */
-	static final String getAboutText() {
+	public static final String getAboutText() {
 		return Presenter.getLinesFromResource("/about.txt").stream()
 				.map(Presenter::withoutComments).collect(Collectors.joining("\n"))
 				.replaceAll("\\[VERSION\\]", ProgramInfo.VERSION.toString());
@@ -155,7 +155,7 @@ public final class Presenter {
 	
 	/**
 	 * The rule used for parsing input numbers. Any number-string inputted into
-	 * this program will be parsed using this method.
+	 * this program will be parsed using this method. <b>Not implemented yet.</b>
 	 */
 	private Function<String, UncertainDouble> numberParsingRule;
 	
@@ -381,6 +381,25 @@ public final class Presenter {
 	}
 	
 	/**
+	 * @return the rule that is used by this presenter to convert numbers into
+	 *         strings
+	 * @since 2022-04-10
+	 */
+	public Function<UncertainDouble, String> getNumberDisplayRule() {
+		return this.numberDisplayRule;
+	}
+	
+	/**
+	 * @return the rule that is used by this presenter to convert strings into
+	 *         numbers
+	 * @since 2022-04-10
+	 */
+	@SuppressWarnings("unused") // not implemented yet
+	private Function<String, UncertainDouble> getNumberParsingRule() {
+		return this.numberParsingRule;
+	}
+	
+	/**
 	 * @return true iff the One-Way Conversion feature is available (views that
 	 *         show units as a list will have metric units removed from the From
 	 *         unit list and imperial/USC units removed from the To unit list)
@@ -392,11 +411,12 @@ public final class Presenter {
 	}
 	
 	/**
-	 * Loads settings from the user's settings file and applies them to the view.
+	 * Loads settings from the user's settings file and applies them to the
+	 * presenter.
 	 * 
 	 * @since 2021-12-15
 	 */
-	public void loadSettings() {}
+	private void loadSettings() {}
 	
 	/**
 	 * Completes creation of the presenter. This part of the initialization
@@ -416,12 +436,32 @@ public final class Presenter {
 	void prefixSelected() {}
 	
 	/**
-	 * Gets user settings from the view then saves them to the user's settings
-	 * file.
+	 * Saves the presenter's settings to the user settings file.
 	 * 
 	 * @since 2021-12-15
 	 */
-	public void saveSettings() {}
+	private void saveSettings() {}
+	
+	/**
+	 * @param numberDisplayRule the new rule that will be used by this presenter
+	 *                          to convert numbers into strings
+	 * @since 2022-04-10
+	 */
+	public void setNumberDisplayRule(
+			Function<UncertainDouble, String> numberDisplayRule) {
+		this.numberDisplayRule = numberDisplayRule;
+	}
+	
+	/**
+	 * @param numberParsingRule the new rule that will be used by this presenter
+	 *                          to convert strings into numbers
+	 * @since 2022-04-10
+	 */
+	@SuppressWarnings("unused") // not implemented yet
+	private void setNumberParsingRule(
+			Function<String, UncertainDouble> numberParsingRule) {
+		this.numberParsingRule = numberParsingRule;
+	}
 	
 	/**
 	 * @param oneWayConversionEnabled whether not one-way conversion should be
@@ -443,6 +483,12 @@ public final class Presenter {
 		this.updateView();
 	}
 	
+	/**
+	 * Runs whenever a unit name is selected in the unit viewer. Gets the
+	 * description of a unit and displays it.
+	 * 
+	 * @since 2022-04-10
+	 */
 	void unitNameSelected() {}
 	
 	/**