1 files changed, 48 insertions, 0 deletions
diff --git a/src/main/java/sevenUnits/newGUI/ExpressionConversionView.java b/src/main/java/sevenUnits/newGUI/ExpressionConversionView.java
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+++ b/src/main/java/sevenUnits/newGUI/ExpressionConversionView.java
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+/**
+ * Copyright (C) 2021 Adrien Hopkins
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package sevenUnits.newGUI;
+
+/**
+ * A View that can convert unit expressions
+ * 
+ * @author Adrien Hopkins
+ * @since 2021-12-15
+ */
+public interface ExpressionConversionView extends View {
+	/**
+	 * @return unit expression to convert <em>from</em>
+	 * @since 2021-12-15
+	 */
+	String getFromExpression();
+	
+	/**
+	 * @return unit expression to convert <em>to</em>
+	 * @since 2021-12-15
+	 */
+	String getToExpression();
+	
+	/**
+	 * Shows the output of an expression conversion to the user.
+	 * 
+	 * @param fromExpression expression converted from
+	 * @param toExpression   expression converted to
+	 * @param value          conversion factor between two expressions
+	 * @since 2021-12-15
+	 */
+	void showExpressionConversionOutput(String fromExpression,
+			String toExpression, double value);
+}