config: Support for conusmers

runelite-client/src/main/java/net/runelite/client/config/ConfigItem.java

@@ -65,6 +65,14 @@ public @interface ConfigItem
 
 	String hideValue() default "";
 
+	String enabledBy() default "";
+
+	String enabledByValue() default "";
+
+	String disabledBy() default "";
+
+	String disabledByValue() default "";
+
 	/**
 	 * Use this to indicate the enum class that is going to be used in the multiple select config.
 	 * This implementation made debugging problems with multiple selects a lot easier

runelite-client/src/main/java/net/runelite/client/config/ConfigManager.java

@@ -74,6 +74,7 @@ import java.util.concurrent.Future;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
+import java.util.function.Consumer;
 import java.util.function.Predicate;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -97,6 +98,7 @@ import net.runelite.client.events.ClientShutdown;
 import net.runelite.client.events.ConfigChanged;
 import net.runelite.client.events.RuneScapeProfileChanged;
 import net.runelite.client.plugins.OPRSExternalPluginManager;
+import net.runelite.client.plugins.Plugin;
 import net.runelite.client.util.ColorUtil;
 import net.runelite.http.api.config.ConfigClient;
 import net.runelite.http.api.config.ConfigEntry;
@@ -133,6 +135,7 @@ public class ConfigManager
 
 	private final ConfigInvocationHandler handler = new ConfigInvocationHandler(this);
 	private final Map<String, String> pendingChanges = new HashMap<>();
+	private final Map<String, Consumer<? super Plugin>> consumers = new HashMap<>();
 
 	private Properties properties = new Properties();
 
@@ -304,6 +307,8 @@ public class ConfigManager
 
 	private synchronized void loadFromFile()
 	{
+		consumers.clear();
+
 		Properties newProperties = new Properties();
 		try (FileInputStream in = new FileInputStream(propertiesFile))
 		{
@@ -484,6 +489,12 @@ public class ConfigManager
 
 	public void setConfiguration(String groupName, String key, Object value)
 	{
+		// do not save consumers for buttons, they cannot be changed anyway
+		if (value instanceof Consumer)
+		{
+			return;
+		}
+
 		setConfiguration(groupName, null, key, value);
 	}
 
@@ -671,55 +682,74 @@ public class ConfigManager
 				continue;
 			}
 
-			if (!method.isDefault())
+			if (method.getReturnType().isAssignableFrom(Consumer.class))
 			{
-				if (override)
+				Object defaultValue;
+				try
 				{
-					String current = getConfiguration(group.value(), item.keyName());
-					// only unset if already set
+					defaultValue = ConfigInvocationHandler.callDefaultMethod(proxy, method, null);
+				}
+				catch (Throwable ex)
+				{
+					log.warn(null, ex);
+					continue;
+				}
+
+				log.debug("Registered consumer: {}.{}", group.value(), item.keyName());
+				consumers.put(group.value() + "." + item.keyName(), (Consumer) defaultValue);
+			}
+			else
+			{
+				if (!method.isDefault())
+				{
+					if (override)
+					{
+						String current = getConfiguration(group.value(), item.keyName());
+						// only unset if already set
+						if (current != null)
+						{
+							unsetConfiguration(group.value(), item.keyName());
+						}
+					}
+					continue;
+				}
+
+				if (!override)
+				{
+					// This checks if it is set and is also unmarshallable to the correct type; so
+					// we will overwrite invalid config values with the default
+					Object current = getConfiguration(group.value(), item.keyName(), method.getReturnType());
 					if (current != null)
 					{
-						unsetConfiguration(group.value(), item.keyName());
+						continue; // something else is already set
 					}
 				}
-				continue;
-			}
 
-			if (!override)
-			{
-				// This checks if it is set and is also unmarshallable to the correct type; so
-				// we will overwrite invalid config values with the default
-				Object current = getConfiguration(group.value(), item.keyName(), method.getReturnType());
-				if (current != null)
+				Object defaultValue;
+				try
 				{
-					continue; // something else is already set
+					defaultValue = ConfigInvocationHandler.callDefaultMethod(proxy, method, null);
+				}
+				catch (Throwable ex)
+				{
+					log.warn(null, ex);
+					continue;
 				}
-			}
 
-			Object defaultValue;
-			try
-			{
-				defaultValue = ConfigInvocationHandler.callDefaultMethod(proxy, method, null);
-			}
-			catch (Throwable ex)
-			{
-				log.warn(null, ex);
-				continue;
-			}
+				String current = getConfiguration(group.value(), item.keyName());
+				String valueString = objectToString(defaultValue);
+				// null and the empty string are treated identically in sendConfig and treated as an unset
+				// If a config value defaults to "" and the current value is null, it will cause an extra
+				// unset to be sent, so treat them as equal
+				if (Objects.equals(current, valueString) || (Strings.isNullOrEmpty(current) && Strings.isNullOrEmpty(valueString)))
+				{
+					continue; // already set to the default value
+				}
 
-			String current = getConfiguration(group.value(), item.keyName());
-			String valueString = objectToString(defaultValue);
-			// null and the empty string are treated identically in sendConfig and treated as an unset
-			// If a config value defaults to "" and the current value is null, it will cause an extra
-			// unset to be sent, so treat them as equal
-			if (Objects.equals(current, valueString) || (Strings.isNullOrEmpty(current) && Strings.isNullOrEmpty(valueString)))
-			{
-				continue; // already set to the default value
+				log.debug("Setting default configuration value for {}.{} to {}", group.value(), item.keyName(), defaultValue);
+
+				setConfiguration(group.value(), item.keyName(), valueString);
 			}
-
-			log.debug("Setting default configuration value for {}.{} to {}", group.value(), item.keyName(), defaultValue);
-
-			setConfiguration(group.value(), item.keyName(), valueString);
 		}
 	}
 
@@ -1286,4 +1316,12 @@ public class ConfigManager
 		}
 		setConfiguration("runelite", migrationKey, 1);
 	}
+
+	/**
+	 * Retrieves a consumer from config group and key name
+	 */
+	public Consumer<? super Plugin> getConsumer(final String configGroup, final String keyName)
+	{
+		return consumers.getOrDefault(configGroup + "." + keyName, (p) -> log.error("Failed to retrieve consumer with name {}.{}", configGroup, keyName));
+	}
 }

runelite-client/src/main/java/net/runelite/client/plugins/config/ConfigPanel.java

@@ -52,6 +52,7 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.TreeMap;
+import java.util.function.Consumer;
 import javax.inject.Inject;
 import javax.swing.BorderFactory;
 import javax.swing.BoxLayout;
@@ -485,6 +486,20 @@ class ConfigPanel extends PluginPanel
 				item.add(checkbox, BorderLayout.EAST);
 			}
 
+			if (cid.getType().isAssignableFrom(Consumer.class))
+			{
+				item.remove(configEntryName);
+
+				JButton button = new JButton(cid.getItem().name());
+				button.addActionListener((e) ->
+				{
+					log.debug("Running consumer: {}.{}", cd.getGroup().value(), cid.getItem().keyName());
+					configManager.getConsumer(cd.getGroup().value(), cid.getItem().keyName()).accept(pluginConfig.getPlugin());
+				});
+
+				item.add(button, BorderLayout.CENTER);
+			}
+
 			if (cid.getType() == int.class)
 			{
 				int value = Integer.parseInt(configManager.getConfiguration(cd.getGroup().value(), cid.getItem().keyName()));