Designed the API for a new GUI

Currently "supports" unit conversion, expression conversion and settings loading

1 files changed, 51 insertions, 0 deletions

diff --git a/src/main/java/sevenUnits/newGUI/View.java b/src/main/java/sevenUnits/newGUI/View.java
new file mode 100644
index 0000000..8758a41
--- /dev/null
+++ b/src/main/java/sevenUnits/newGUI/View.java
@@ -0,0 +1,51 @@
+/**
+ * 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;
+
+/**
+ * An object that controls user interaction with 7Units
+ * 
+ * @author Adrien Hopkins
+ * @since 2021-12-15
+ */
+public interface View {
+	/**
+	 * @return settings user has set in the view
+	 * @since 2021-12-15
+	 */
+	UserSettings getUserSettings();
+	
+	/**
+	 * Sets the user settings on the settings page, if this view has one. Does
+	 * not update settings internally; this is intended for loading settings from
+	 * a file.
+	 *
+	 * @param settings settings to set
+	 * @since 2021-12-15
+	 */
+	void setUserSettings(UserSettings settings);
+	
+	/**
+	 * Shows an error message.
+	 *
+	 * @param title   title of error message; on any view that uses an error
+	 *                dialog, this should be the title of the error dialog.
+	 * @param message error message
+	 * @since 2021-12-15
+	 */
+	void showErrorMessage(String title, String message);
+}