fix(demo): add examples using setValue

Author: javier-godoy

src/test/java/com/flowingcode/vaadin/addons/chipfield/BinderDemo.java

@@ -20,6 +20,8 @@
 package com.flowingcode.vaadin.addons.chipfield;
 
 import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
 
 import com.vaadin.flow.component.button.Button;
 import com.vaadin.flow.component.notification.Notification;
@@ -36,7 +38,10 @@ public BinderDemo() {
 
 		ChipField<String> chf = new ChipField<>("Choose planet features (try with: 'Rings', 'Moons', 'Water', etc.)");
 		chf.setWidthFull();
-		chf.setItems(Arrays.asList("Rings", "Moons", "Water", "Rocks", "Lava", "Ice", "Cold", "Heat", "Atmosphere"));
+
+		List<String> items = Arrays.asList("Rings", "Moons", "Water", "Rocks", "Lava", "Ice", "Cold", "Heat", "Atmosphere");
+		chf.setItems(items);
+
 		Binder<Planet> binder = new Binder<>();
 		binder.bind(chf, Planet::getFeatures, Planet::setFeatures);
 		binder.setBean(p);
@@ -48,6 +53,11 @@ public BinderDemo() {
 		add(new Button("Show planet features",
 				e -> Notification.show("Features: " + p.getFeatures(), 5000, Position.BOTTOM_START)));
 
+		add(new Button("Random features", ev -> {
+			p.setFeatures(items.stream().filter(x -> Math.random() > 0.7).collect(Collectors.toList()));
+			binder.setBean(p);
+		}));
+
 	}
 
 }

src/test/java/com/flowingcode/vaadin/addons/chipfield/DataProviderDemo.java

@@ -61,6 +61,17 @@ public DataProviderDemo() {
 		chf.addChipClickedListener(
 				ev -> Notification.show("Chip: " + ev.getChipLabel() + " Clicked!", 5000, Position.BOTTOM_END));
 
+		buttons.add(new Button("All planets", ev -> {
+			chf.setValue(Planet.all());
+		}));
+
+		buttons.add(new Button("Remove Inner planets", ev -> {
+			chf.removeSelectedItem(new Planet("Mercury"));
+			chf.removeSelectedItem(new Planet("Venus"));
+			chf.removeSelectedItem(new Planet("Earth"));
+			chf.removeSelectedItem(new Planet("Mars"));
+		}));
+
 		add(new VerticalLayout(chf, buttons));
 	}
 

src/test/java/com/flowingcode/vaadin/addons/chipfield/Planet.java

@@ -46,6 +46,35 @@ public List<String> getFeatures() {
 	public void setFeatures(List<String> features) {
 		this.features = features;
 	}
+
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + ((name == null) ? 0 : name.hashCode());
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj) {
+			return true;
+		}
+		if (obj == null) {
+			return false;
+		}
+		if (getClass() != obj.getClass()) {
+			return false;
+		}
+		Planet other = (Planet) obj;
+		if (name == null) {
+			if (other.name != null) {
+				return false;
+			}
+		} else if (!name.equals(other.name)) {
+			return false;
+		}
+		return true;
 	}
 
 	public static List<Planet> all() {