Add ability to change user and admin command for SkyGrid. (#11)

Other GameMode add-ons already has this ability.

src/main/java/world/bentobox/skygrid/Settings.java

@@ -31,6 +31,17 @@
 @ConfigComment("")
 public class Settings implements DataObject, WorldSettings {
 
+    /* Commands */
+    @ConfigComment("Island Command. What command users will run to access their island.")
+    @ConfigComment("To define alias, just separate commands with white space.")
+    @ConfigEntry(path = "skygrid.command.island")
+    private String islandCommand = "skygrid sg";
+
+    @ConfigComment("The island admin command.")
+    @ConfigComment("To define alias, just separate commands with white space.")
+    @ConfigEntry(path = "skygrid.command.admin")
+    private String adminCommand = "sgadmin sga";
+
     /* Blocks */
     @ConfigComment("World block types. If the material cannot be placed, bedrock will be used.")
     @ConfigComment("Format: Material : Probability")
@@ -1044,4 +1055,44 @@ public boolean isWaterUnsafe() {
     }
 
 
+    /**
+     * This method returns the islandCommand object.
+     * @return the islandCommand object.
+     */
+    public String getIslandCommand()
+    {
+        return islandCommand;
+    }
+
+
+    /**
+     * This method returns the adminCommand object.
+     * @return the adminCommand object.
+     */
+    public String getAdminCommand()
+    {
+        return adminCommand;
+    }
+
+
+    /**
+     * This method sets the islandCommand object value.
+     * @param islandCommand the islandCommand object new value.
+     *
+     */
+    public void setIslandCommand(String islandCommand)
+    {
+        this.islandCommand = islandCommand;
+    }
+
+
+    /**
+     * This method sets the adminCommand object value.
+     * @param adminCommand the adminCommand object new value.
+     *
+     */
+    public void setAdminCommand(String adminCommand)
+    {
+        this.adminCommand = adminCommand;
+    }
 }

src/main/java/world/bentobox/skygrid/commands/AdminCommand.java

@@ -28,7 +28,9 @@
 public class AdminCommand extends CompositeCommand {
 
     public AdminCommand(SkyGrid addon) {
-        super(addon, "sgadmin");
+        super(addon,
+            addon.getSettings().getAdminCommand().split(" ")[0],
+            addon.getSettings().getAdminCommand().split(" "));
     }
 
     @Override

src/main/java/world/bentobox/skygrid/commands/SkyGridCommand.java

@@ -24,7 +24,9 @@
 public class SkyGridCommand extends CompositeCommand {
 
     public SkyGridCommand(SkyGrid addon) {
-        super(addon, "skygrid", "sg");
+        super(addon,
+            addon.getSettings().getIslandCommand().split(" ")[0],
+            addon.getSettings().getIslandCommand().split(" "));
     }
 
     /* (non-Javadoc)

src/main/resources/config.yml

@@ -1,5 +1,13 @@
 # SkyGrid Configuration ${version}
-# 
+#
+skygrid:
+  command:
+    # Island Command. What command users will run to access their island.
+    # To define alias, just separate commands with white space.
+    island: skygrid sg
+    # The island admin command.
+    # To define alias, just separate commands with white space.
+    admin: sgadmin sga
 world:
   # World block types. If the material cannot be placed, bedrock will be used.
   # Format: Material : Probability