Save ui settings on close and load them on launch

src/main/java/net/raphimc/viaproxy/saves/SaveManager.java

@@ -21,6 +21,7 @@ import com.google.gson.Gson;
 import com.google.gson.JsonObject;
 import net.lenni0451.reflect.stream.RStream;
 import net.raphimc.viaproxy.saves.impl.AccountsSave;
+import net.raphimc.viaproxy.saves.impl.UISave;
 import net.raphimc.viaproxy.util.logging.Logger;
 
 import java.io.File;
@@ -33,6 +34,7 @@ public class SaveManager {
     private static final Gson GSON = new Gson();
 
     public final AccountsSave accountsSave = new AccountsSave();
+    public final UISave uiSave = new UISave();
 
     public SaveManager() {
         this.load();

src/main/java/net/raphimc/viaproxy/saves/impl/UISave.java

@@ -0,0 +1,94 @@
+/*
+ * This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
+ * Copyright (C) 2023 RK_01/RaphiMC and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package net.raphimc.viaproxy.saves.impl;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import net.raphimc.viaproxy.saves.AbstractSave;
+
+import javax.swing.*;
+import java.util.HashMap;
+import java.util.Map;
+
+public class UISave extends AbstractSave {
+
+    private final Map<String, String> values;
+
+    public UISave() {
+        super("ui");
+
+        this.values = new HashMap<>();
+    }
+
+    @Override
+    public void load(JsonElement jsonElement) {
+        this.values.clear();
+        for (Map.Entry<String, JsonElement> entry : jsonElement.getAsJsonObject().entrySet()) this.values.put(entry.getKey(), entry.getValue().getAsString());
+    }
+
+    @Override
+    public JsonElement save() {
+        JsonObject jsonObject = new JsonObject();
+        for (Map.Entry<String, String> entry : this.values.entrySet()) jsonObject.addProperty(entry.getKey(), entry.getValue());
+        return jsonObject;
+    }
+
+    public void put(final String key, final String value) {
+        this.values.put(key, value);
+    }
+
+    public void loadTextField(final String key, final JTextField textField) {
+        try {
+            String value = this.values.get(key);
+            if (value != null) textField.setText(value);
+        } catch (Throwable ignored) {
+        }
+    }
+
+    public void loadComboBox(final String key, final JComboBox<?> comboBox) {
+        try {
+            int index = Integer.parseInt(this.values.get(key));
+            if (index >= 0 && index < comboBox.getItemCount()) comboBox.setSelectedIndex(index);
+        } catch (Throwable ignored) {
+        }
+    }
+
+    public void loadSpinner(final String key, final JSpinner spinner) {
+        try {
+            Integer value = Integer.valueOf(this.values.get(key));
+            if (spinner.getModel() instanceof SpinnerNumberModel) {
+                SpinnerNumberModel model = (SpinnerNumberModel) spinner.getModel();
+                Comparable<Integer> minimum = (Comparable<Integer>) model.getMinimum();
+                Comparable<Integer> maximum = (Comparable<Integer>) model.getMaximum();
+                if (minimum.compareTo(value) <= 0 && maximum.compareTo(value) >= 0) spinner.setValue(value);
+            } else {
+                spinner.setValue(value);
+            }
+        } catch (Throwable ignored) {
+        }
+    }
+
+    public void loadCheckBox(final String key, final JCheckBox checkBox) {
+        try {
+            boolean value = Boolean.parseBoolean(this.values.get(key));
+            checkBox.setSelected(value);
+        } catch (Throwable ignored) {
+        }
+    }
+
+}

src/main/java/net/raphimc/viaproxy/ui/AUITab.java

@@ -43,4 +43,7 @@ public abstract class AUITab {
     public void setReady() {
     }
 
+    public void onClose() {
+    }
+
 }

src/main/java/net/raphimc/viaproxy/ui/ViaProxyUI.java

@@ -26,6 +26,8 @@ import net.raphimc.viaproxy.util.logging.Logger;
 
 import javax.swing.*;
 import java.awt.*;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
 import java.net.URI;
 import java.util.ArrayList;
 import java.util.List;
@@ -67,6 +69,12 @@ public class ViaProxyUI extends JFrame {
         this.setTitle("ViaProxy v" + ViaProxy.VERSION);
         this.setIconImage(this.icon.getImage());
         this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        this.addWindowListener(new WindowAdapter() {
+            @Override
+            public void windowClosing(WindowEvent e) {
+                for (AUITab tab : tabs) tab.onClose();
+            }
+        });
         this.setSize(500, 403);
         this.setResizable(false);
         this.setLocationRelativeTo(null);

src/main/java/net/raphimc/viaproxy/ui/impl/GeneralTab.java

@@ -21,6 +21,7 @@ import com.google.common.net.HostAndPort;
 import net.raphimc.viaprotocolhack.util.VersionEnum;
 import net.raphimc.viaproxy.ViaProxy;
 import net.raphimc.viaproxy.cli.options.Options;
+import net.raphimc.viaproxy.saves.impl.UISave;
 import net.raphimc.viaproxy.ui.AUITab;
 import net.raphimc.viaproxy.ui.ViaProxyUI;
 import net.raphimc.viaproxy.util.logging.Logger;
@@ -77,6 +78,7 @@ public class GeneralTab extends AUITab {
 
             this.serverAddress = new JTextField();
             this.serverAddress.setBounds(10, 70, 465, 20);
+            ViaProxy.saveManager.uiSave.loadTextField("server_address", this.serverAddress);
             contentPane.add(this.serverAddress);
         }
         {
@@ -96,6 +98,7 @@ public class GeneralTab extends AUITab {
                     return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
                 }
             });
+            ViaProxy.saveManager.uiSave.loadComboBox("server_version", this.serverVersion);
             contentPane.add(this.serverVersion);
         }
         {
@@ -105,6 +108,7 @@ public class GeneralTab extends AUITab {
 
             this.bindPort = new JSpinner(new SpinnerNumberModel(25568, 1, 65535, 1));
             this.bindPort.setBounds(10, 170, 465, 20);
+            ViaProxy.saveManager.uiSave.loadSpinner("bind_port", this.bindPort);
             contentPane.add(this.bindPort);
         }
         {
@@ -114,17 +118,20 @@ public class GeneralTab extends AUITab {
 
             this.authMethod = new JComboBox<>(new String[]{"Use no account", "Use selected account", "Use OpenAuthMod"});
             this.authMethod.setBounds(10, 220, 465, 20);
+            ViaProxy.saveManager.uiSave.loadComboBox("auth_method", this.authMethod);
             contentPane.add(this.authMethod);
         }
         {
             this.betaCraftAuth = new JCheckBox("BetaCraft Auth (Classic)");
             this.betaCraftAuth.setBounds(10, 250, 150, 20);
+            ViaProxy.saveManager.uiSave.loadCheckBox("betacraft_auth", this.betaCraftAuth);
             contentPane.add(this.betaCraftAuth);
         }
         {
             this.proxyOnlineMode = new JCheckBox("Proxy Online Mode");
             this.proxyOnlineMode.setBounds(350, 250, 465, 20);
             this.proxyOnlineMode.setToolTipText("Enabling Proxy Online Mode requires your client to have a valid account.\nProxy Online Mode allows your client to see skins on online mode servers and use the signed chat features.");
+            ViaProxy.saveManager.uiSave.loadCheckBox("proxy_online_mode", this.proxyOnlineMode);
             contentPane.add(this.proxyOnlineMode);
         }
         {
@@ -145,6 +152,26 @@ public class GeneralTab extends AUITab {
         }
     }
 
+    @Override
+    public void setReady() {
+        SwingUtilities.invokeLater(() -> {
+            this.stateButton.setText("Start");
+            this.stateButton.setEnabled(true);
+        });
+    }
+
+    @Override
+    public void onClose() {
+        UISave save = ViaProxy.saveManager.uiSave;
+        save.put("server_address", this.serverAddress.getText());
+        save.put("server_version", String.valueOf(this.serverVersion.getSelectedIndex()));
+        save.put("bind_port", String.valueOf(this.bindPort.getValue()));
+        save.put("auth_method", String.valueOf(this.authMethod.getSelectedIndex()));
+        save.put("betacraft_auth", String.valueOf(this.betaCraftAuth.isSelected()));
+        save.put("proxy_online_mode", String.valueOf(this.proxyOnlineMode.isSelected()));
+        ViaProxy.saveManager.save();
+    }
+
     private void setComponentsEnabled(final boolean state) {
         this.serverAddress.setEnabled(state);
         this.serverVersion.setEnabled(state);
@@ -233,12 +260,4 @@ public class GeneralTab extends AUITab {
         this.setComponentsEnabled(true);
     }
 
-    @Override
-    public void setReady() {
-        SwingUtilities.invokeLater(() -> {
-            this.stateButton.setText("Start");
-            this.stateButton.setEnabled(true);
-        });
-    }
-
 }