First Commit (Fobi)

imp/NumberField.java

@@ -0,0 +1,43 @@
+package imp;
+
+import javafx.scene.control.TextField;
+
+public class NumberField extends TextField {
+
+    @Override public void replaceText(int start, int end, String text) {
+        if (text.matches("[0-9.]") || text == "") {
+            super.replaceText(start, end, text);
+        }
+    }
+
+    @Override public void replaceSelection(String text) {
+        if (text.matches("[0-9.]") || text == "") {
+            super.replaceSelection(text);
+        }
+    }
+
+    public double getDoubleValue() {
+        try{
+            return Double.parseDouble(this.getText());
+        } catch(Exception e) {
+            return 0.0;
+        }
+    }
+
+    public int getIntValue() {
+        try{
+            return Integer.parseInt(this.getText());
+        } catch(Exception e) {
+            return 0;
+        }
+    }
+
+    public void setValue(double v) {
+        setText(""+v);
+    }
+
+    public void setValue(int v) {
+        setText(""+v);
+    }
+
+}