buttons

src/main/java/rocks/zipcode/calcskin/CalcSkin.java

@@ -115,7 +115,11 @@ public class CalcSkin extends Application {
             } else if ("=".equals(s)) {
                 makeEqualsButton(button);
             } else if ("x2".equals(s)) {
-
+                makeSquareButton(button);
+            } else if ("√x".equals(s)) {
+                makeRootButton(button);
+            } else if ("1/x".equals(button)){
+                makeInverseButton(button);
             }
         }
 
@@ -130,10 +134,10 @@ public class CalcSkin extends Application {
             case "-": triggerOp.set(Op.SUBTRACT); break;
             case "*": triggerOp.set(Op.MULTIPLY); break;
             case "/": triggerOp.set(Op.DIVIDE);   break;
-            case "x2":triggerOp.set(Op.SQUARE);   break;
-            case "√x":triggerOp.set(Op.ROOT);     break;
-            case "1/x":triggerOp.set(Op.INVERSE); break;
-            case "x^y":triggerOp.set(Op.EXPO);    break;
+            //case "x2":triggerOp.set(Op.SQUARE);   break;
+            //case "√x":triggerOp.set(Op.ROOT);     break;
+            //case "1/x":triggerOp.set(Op.INVERSE); break;
+           // case "x^y":triggerOp.set(Op.EXPO);    break;
 
         }
         return triggerOp;
@@ -173,6 +177,36 @@ public class CalcSkin extends Application {
         });
     }
 
+    private void makeSquareButton(Button button) {
+        button.setStyle("-fx-base: #d896ff;");
+        button.setOnAction(new EventHandler<ActionEvent>() {
+            @Override
+            public void handle(ActionEvent actionEvent) {
+                currentValue.set(Math.pow(currentValue.get(), 2));
+            }
+        });
+    }
+
+    private void makeRootButton(Button button) {
+        button.setStyle("-fx-base: #3b43ff;");
+        button.setOnAction(new EventHandler<ActionEvent>() {
+            @Override
+            public void handle(ActionEvent actionEvent) {
+                currentValue.set(Math.sqrt(currentValue.get()));
+            }
+        });
+    }
+
+    private void makeInverseButton(Button button) {
+        button.setStyle("-fx-base: #d896ff;");
+        button.setOnAction(new EventHandler<ActionEvent>() {
+            @Override
+            public void handle(ActionEvent actionEvent) {
+                currentValue.set(calcEngine.inverse(currentValue.get()));
+            }
+        });
+    }
+
     private void makeClearButton(Button button) {
         button.setStyle("-fx-base: rgba(169,255,131,1);");
         button.setOnAction(new EventHandler<ActionEvent>() {
@@ -196,8 +230,8 @@ public class CalcSkin extends Application {
                     case MULTIPLY: currentValue.set(calcEngine.multiply(previousValue.get(), currentValue.get())); break;
                     case DIVIDE:   currentValue.set(calcEngine.divide(previousValue.get(), currentValue.get())); break;
                     //case SQUARE:   currentValue.set(calcEngine.square(currentValue.get())); break;
-                    case ROOT:     currentValue.set(calcEngine.squareRoot(currentValue.get())); break;
-                    case INVERSE:  currentValue.set(calcEngine.inverse(currentValue.get())); break;
+                    //case ROOT:     currentValue.set(calcEngine.squareRoot(currentValue.get())); break;
+                    //case INVERSE:  currentValue.set(calcEngine.inverse(currentValue.get())); break;
                     case EXPO:     currentValue.set(calcEngine.exponent(previousValue.get(), currentValue.get())); break;
                 }
             }