GUI Refactoring and consolidation

2020-06-14 18:00:02 +02:00
parent 9b19f5b0e2
commit fd7ed5bbf0
53 changed files with 1000 additions and 974 deletions
@@ -0,0 +1,70 @@
+package appeng.util;
+
+import java.util.EnumSet;
+
+public final class EnumCycler {
+
+    private EnumCycler() {
+    }
+
+    public static <T extends Enum<T>> T rotateEnum( T ce, final boolean backwards, final EnumSet<T> validOptions )
+    {
+        do
+        {
+            if( backwards )
+            {
+                ce = prevEnum( ce );
+            }
+            else
+            {
+                ce = next( ce );
+            }
+        }
+        while( !validOptions.contains( ce ) );
+
+        return ce;
+    }
+
+    /*
+     * Simple way to cycle an enum...
+     */
+    public static <T extends Enum<T>> T prevEnum( final T ce )
+    {
+        T[] values = ce.getDeclaringClass().getEnumConstants();
+
+        int pLoc = ce.ordinal() - 1;
+        if( pLoc < 0 )
+        {
+            pLoc = values.length - 1;
+        }
+
+        if( pLoc < 0 || pLoc >= values.length )
+        {
+            pLoc = 0;
+        }
+
+        return values[pLoc];
+    }
+
+    /*
+     * Simple way to cycle an enum...
+     */
+    public static <T extends Enum<T>> T next(final T ce )
+    {
+        T[] values = ce.getDeclaringClass().getEnumConstants();
+
+        int pLoc = ce.ordinal() + 1;
+        if( pLoc >= values.length )
+        {
+            pLoc = 0;
+        }
+
+        if( pLoc < 0 || pLoc >= values.length )
+        {
+            pLoc = 0;
+        }
+
+        return values[pLoc];
+    }
+
+}