Basic device filtering backend stuff

src/net/ash/HIDToVPADNetworkClient/gui/GuiOptionsWindow.java

@@ -46,6 +46,7 @@ import javax.swing.JTextArea;
 import javax.swing.border.EmptyBorder;
 
 import lombok.extern.java.Log;
+import net.ash.HIDToVPADNetworkClient.util.Settings;
 
 @Log
 public class GuiOptionsWindow extends JPanel {
@@ -99,11 +100,10 @@ public class GuiOptionsWindow extends JPanel {
             cFilterList = new ControllerFilteringList();
             cFilterList.setBackground(Color.BLUE);
             
-            ControllerFilteringListItem cHidGamepadsListItem = new ControllerFilteringListItem("Gamepads (HID)");
-            cFilterList.add(cHidGamepadsListItem);
-            
-            ControllerFilteringListItem cKeyboardsListItem = new ControllerFilteringListItem("Keyboards (HID)");
-            cFilterList.add(cKeyboardsListItem);
+            for (Settings.ControllerFiltering.Type type : Settings.ControllerFiltering.Type.values()) {
+                ControllerFilteringListItem item = new ControllerFilteringListItem(type);
+                cFilterList.add(item);
+            }
             
             add(cFilterList);
             
@@ -137,24 +137,26 @@ public class GuiOptionsWindow extends JPanel {
             private static final long serialVersionUID = 1L;
             
             private final JCheckBox cBox;
+            private final Settings.ControllerFiltering.Type type;
             
-            private ControllerFilteringListItem(String type) {
+            private ControllerFilteringListItem(Settings.ControllerFiltering.Type typeIn) {
                 super(new GridLayout(1, 1));
+                this.type = typeIn;
                 
-                cBox = new JCheckBox(type);
+                cBox = new JCheckBox(type.getName());
                 cBox.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
-                cBox.setSelected(true); //TODO get checkbox state
+                cBox.setSelected(Settings.ControllerFiltering.getFilterState(type));
                 cBox.addActionListener(new ActionListener() {
                     @Override
                     public void actionPerformed(ActionEvent e) {
-                        //TODO actually change filtering
+                        Settings.ControllerFiltering.setFilterState(type, cBox.isSelected());
                     }
                 });
                 add(cBox);
             }
             
             public void updateItem() {
-                cBox.setSelected(true); //TODO get checkbox State
+                cBox.setSelected(Settings.ControllerFiltering.getFilterState(type));
             }
             
             //I can't believe I didn't figure this out for GuiControllerList

src/net/ash/HIDToVPADNetworkClient/util/Settings.java

@@ -26,6 +26,7 @@ import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.util.Arrays;
 import java.util.Properties;
 
 import lombok.Getter;
@@ -117,6 +118,13 @@ public final class Settings {
             }
         }
 
+        String filterStates = prop.getProperty("filterStates");
+        if (filterStates != null) {
+            ControllerFiltering.loadFilterStates(filterStates);
+        } else {
+            ControllerFiltering.setDefaultFilterStates();
+        }
+        
         log.info("Loaded config successfully!");
     }
 
@@ -139,7 +147,8 @@ public final class Settings {
         prop.setProperty("autoActivatingController", Boolean.toString(Settings.AUTO_ACTIVATE_CONTROLLER));
         prop.setProperty("sendDataOnlyOnChanges", Boolean.toString(Settings.SEND_DATA_ONLY_ON_CHANGE));
         prop.setProperty("scanAutomaticallyForControllers", Boolean.toString(Settings.SCAN_AUTOMATICALLY_FOR_CONTROLLERS));
-
+        prop.setProperty("filterStates", ControllerFiltering.getFilterStates());
+        
         try {
             FileOutputStream outStream = new FileOutputStream(configFile);
             prop.store(outStream, "HIDToVPADNetworkClient");
@@ -189,4 +198,48 @@ public final class Settings {
     public enum Platform {
         LINUX, WINDOWS, MAC_OS_X, UNKNOWN
     }
+    
+    //TODO rename this to something less nonsensical
+    public static class ControllerFiltering {
+        public static enum Type {
+            HIDGAMEPAD (0, "HID Gamepads"),
+            HIDKEYBOARD (1, "HID Keyboards"),
+            HIDOTHER (2, "Other HIDs");
+            
+            private int index;
+            @Getter private String name;
+            private Type(int index, String name) {
+                this.index = index;
+                this.name = name;
+            }
+        }
+        
+        private static boolean[] filterStates = new boolean[Type.values().length];
+        public static String getFilterStates() {
+            return Arrays.toString(filterStates);
+        }
+        public static void loadFilterStates(String newFilterStates) {
+            boolean[] newFilterStatesParsed = Utilities.stringToBoolArray(newFilterStates);
+            if (newFilterStatesParsed.length != filterStates.length) {
+                //TODO handle changes in filtering more gracefully
+                log.warning("Number of controller filters in config does not match reality, using defaults...");
+                setDefaultFilterStates();
+            } else {
+                filterStates = newFilterStatesParsed;
+            }
+        }
+        
+        public static void setFilterState(Type filter, boolean state) {
+            filterStates[filter.index] = state;
+            log.info("Just set " + filter + " to " + state);
+        }
+        public static boolean getFilterState(Type filter) {
+            return filterStates[filter.index];
+        }
+        public static void setDefaultFilterStates() {
+            filterStates[Type.HIDGAMEPAD.index] = true;
+            filterStates[Type.HIDKEYBOARD.index] = false;
+            filterStates[Type.HIDOTHER.index] = false;
+        }
+    }
 }

src/net/ash/HIDToVPADNetworkClient/util/Utilities.java

@@ -76,4 +76,19 @@ public final class Utilities {
     public static short signedShortToByte(short value) {
         return signedShortToByte((int) value);
     }
+    
+    /**
+     * Arrays.toString(boolean[]) in reverse.
+     * https://stackoverflow.com/questions/456367/
+     * @param string
+     * @return array
+     */
+    public static boolean[] stringToBoolArray(String string) {
+        String[] strings = string.replace("[", "").replace("]", "").split(", ");
+        boolean result[] = new boolean[strings.length];
+        for (int i = 0; i < result.length; i++) {
+          result[i] = Boolean.parseBoolean(strings[i]);
+        }
+        return result;
+      }
 }