Added a simple demo for nested properties.

Author: Nicolai Parlog

.classpath

@@ -2,6 +2,7 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="test"/>
+	<classpathentry kind="src" path="demo"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
 	<classpathentry kind="output" path="bin"/>

demo/org/codefx/nesting/NestingDemo.java

@@ -0,0 +1,98 @@
+package org.codefx.nesting;
+
+import javafx.beans.property.DoubleProperty;
+import javafx.beans.property.Property;
+import javafx.beans.property.SimpleDoubleProperty;
+import javafx.beans.property.SimpleObjectProperty;
+
+import org.codefx.nesting.property.NestedProperty;
+
+/**
+ * Demonstrates some features of the nesting API.
+ */
+public class NestingDemo {
+
+	// #region ATTRIBUTES
+
+	/**
+	 * The currently selected employee.
+	 */
+	private final Property<Employee> currentEmployee;
+
+	//#end ATTRIBUTES
+
+	// #region CONSTRUCTION & MAIN
+
+	/**
+	 * Creates a new demo.
+	 */
+	private NestingDemo() {
+		this.currentEmployee = new SimpleObjectProperty<>(new Employee(54_000));
+	}
+
+	/**
+	 * Runs this demo.
+	 *
+	 * @param args
+	 *            command line arguments (will not be used)
+	 */
+	public static void main(String[] args) {
+		NestingDemo demo = new NestingDemo();
+		demo.demoNestedProperties();
+	}
+
+	//#end CONSTRUCTION & MAIN
+
+	// #region DEMOS
+
+	/**
+	 * Demonstrates the use of {@link NestedProperty}.
+	 */
+	private void demoNestedProperties() {
+		// TODO change this to DoubleProperty as soon as that is implemented
+		Property<Number> currentEmployeesSalary = Nestings.on(currentEmployee)
+				.nest(employee -> employee.salaryProperty())
+				.buildProperty();
+
+		System.out.println("Salary - object hierarchy: " + currentEmployee.getValue().salaryProperty().getValue());
+		System.out.println("Salary - nested property: " + currentEmployeesSalary.getValue());
+	}
+
+	//#end DEMOS
+
+	// #region PRIVATE CLASSES
+
+	/**
+	 * A simple demo class which represents an employee.
+	 */
+	private static class Employee {
+
+		/**
+		 * The salary.
+		 */
+		private final DoubleProperty salary;
+
+		/**
+		 * Creates a new employee with the specified salary.
+		 *
+		 * @param initialSalary
+		 *            the employee's initial salary
+		 */
+		private Employee(double initialSalary) {
+			this.salary = new SimpleDoubleProperty(this, "salary", initialSalary);
+		}
+
+		/**
+		 * The salary.
+		 *
+		 * @return the salary as a property
+		 */
+		public DoubleProperty salaryProperty() {
+			return salary;
+		}
+
+	}
+
+	//#end PRIVATE CLASSES
+
+}

test/org/codefx/AllTests.java

@@ -10,7 +10,7 @@
  */
 @RunWith(Suite.class)
 @SuiteClasses({
-	_AllNestingTests.class,
+		_AllNestingTests.class,
 })
 public class AllTests {
 	// no body needed