Consolidate alignment handling.

Author: gk-brown

sierra/src/main/java/org/httprpc/sierra/ImagePane.java

@@ -113,15 +113,13 @@ private void paint(Graphics2D graphics) {
             var scaledImageHeight = scale * imageHeight;
 
             var x = switch (horizontalAlignment) {
-                case LEFT -> 0;
-                case RIGHT -> width - scaledImageWidth;
-                case LEADING, TRAILING -> {
-                    if (getComponentOrientation().isLeftToRight() ^ horizontalAlignment == HorizontalAlignment.TRAILING) {
+                case LEFT, RIGHT, LEADING, TRAILING -> {
+                    if (horizontalAlignment == HorizontalAlignment.LEFT
+                        || getComponentOrientation().isLeftToRight() ^ horizontalAlignment == HorizontalAlignment.TRAILING) {
                         yield 0;
                     } else {
                         yield width - scaledImageWidth;
                     }
-
                 }
                 case CENTER -> (width - scaledImageWidth) / 2;
             };

sierra/src/main/java/org/httprpc/sierra/MenuButton.java

@@ -87,10 +87,9 @@ public void setPressed(boolean pressed) {
                     var popupMenuSize = popupMenu.getPreferredSize();
 
                     var x = switch (popupHorizontalAlignment) {
-                        case LEFT -> 0;
-                        case RIGHT -> size.width - popupMenuSize.width;
-                        case LEADING, TRAILING -> {
-                            if (getComponentOrientation().isLeftToRight() ^ popupHorizontalAlignment == HorizontalAlignment.TRAILING) {
+                        case LEFT, RIGHT, LEADING, TRAILING -> {
+                            if (popupHorizontalAlignment == HorizontalAlignment.LEFT
+                                || getComponentOrientation().isLeftToRight() ^ popupHorizontalAlignment == HorizontalAlignment.TRAILING) {
                                 yield 0;
                             } else {
                                 yield size.width - popupMenuSize.width;

sierra/src/main/java/org/httprpc/sierra/Picker.java

@@ -205,10 +205,9 @@ protected void showPopup() {
         var popupSize = popupComponent.getPreferredSize();
 
         var x = switch (popupHorizontalAlignment) {
-            case LEFT -> 0;
-            case RIGHT -> size.width - popupSize.width;
-            case LEADING, TRAILING -> {
-                if (getComponentOrientation().isLeftToRight() ^ popupHorizontalAlignment == HorizontalAlignment.TRAILING) {
+            case LEFT, RIGHT, LEADING, TRAILING -> {
+                if (popupHorizontalAlignment == HorizontalAlignment.LEFT
+                    || getComponentOrientation().isLeftToRight() ^ popupHorizontalAlignment == HorizontalAlignment.TRAILING) {
                     yield 0;
                 } else {
                     yield size.width - popupSize.width;

sierra/src/main/java/org/httprpc/sierra/TextPane.java

@@ -154,10 +154,9 @@ private void paint(Graphics2D graphics) {
                 var lineWidth = textBounds.getWidth();
 
                 var x = switch (horizontalAlignment) {
-                    case LEFT -> insets.left;
-                    case RIGHT -> size.width - (lineWidth + insets.right);
-                    case LEADING, TRAILING -> {
-                        if (getComponentOrientation().isLeftToRight() ^ horizontalAlignment == HorizontalAlignment.TRAILING) {
+                    case LEFT, RIGHT, LEADING, TRAILING -> {
+                        if (horizontalAlignment == HorizontalAlignment.LEFT
+                            || getComponentOrientation().isLeftToRight() ^ horizontalAlignment == HorizontalAlignment.TRAILING) {
                             yield insets.left;
                         } else {
                             yield size.width - (lineWidth + insets.right);