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package com.vaadin.tests;
import java.util.LinkedList;
import java.util.Random;
import com.vaadin.shared.ui.ContentMode;
import com.vaadin.ui.Label;
import com.vaadin.ui.LegacyWindow;
import com.vaadin.ui.Panel;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.v7.data.Property.ValueChangeEvent;
import com.vaadin.v7.data.Property.ValueChangeListener;
import com.vaadin.v7.ui.Select;
public class UsingObjectsInSelect extends com.vaadin.server.LegacyApplication
implements ValueChangeListener {
private final Select select = new Select();
private final Label selectedTask = new Label("Selected task",
ContentMode.HTML);
public LinkedList<?> exampleTasks = new LinkedList<>();
public static Random random = new Random(1);
@Override
public void init() {
final LegacyWindow main = new LegacyWindow("Select demo");
setMainWindow(main);
VerticalLayout panelLayout = new VerticalLayout();
panelLayout.setMargin(true);
final Panel panel = new Panel("Select demo", panelLayout);
panelLayout.addComponent(select);
VerticalLayout panel2Layout = new VerticalLayout();
panel2Layout.setMargin(true);
final Panel panel2 = new Panel("Selection", panel2Layout);
panel2Layout.addComponent(selectedTask);
select.setCaption("Select component");
select.addListener(this);
select.setImmediate(true);
main.addComponent(panel);
main.addComponent(panel2);
createExampleTasks();
}
public void createExampleTasks() {
final String[] assignedTo = { "John", "Mary", "Joe", "Sarah", "Jeff",
"Jane", "Peter", "Marc", "Josie", "Linus" };
final String[] type = { "Enhancement", "Bugfix", "Testing", "Task" };
for (int j = 0; j < 100; j++) {
final Task task = new Task(
type[(int) (random.nextDouble() * (type.length - 1))],
assignedTo[(int) (random.nextDouble()
* (assignedTo.length - 1))],
random.nextInt(100));
select.addItem(task);
}
}
@Override
public void valueChange(ValueChangeEvent event) {
final Task task = (Task) select.getValue();
selectedTask.setValue("<b>Type:</b> " + task.getType()
+ "<br /><b>Assigned to:</b> " + task.getAssignedTo()
+ "<br /><b>Estimated hours: </b>" + task.getEstimatedHours());
}
/**
* Sample class which is bound to Vaadin components
*
*/
public class Task {
private String type;
private String assignedTo;
private int estimatedHours;
public Task(String type, String assignedTo, int estimatedHours) {
this.type = type;
this.assignedTo = assignedTo;
this.estimatedHours = estimatedHours;
}
@Override
public String toString() {
return type + ", " + assignedTo;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public String getAssignedTo() {
return assignedTo;
}
public void setAssignedTo(String assignedTo) {
this.assignedTo = assignedTo;
}
public float getEstimatedHours() {
return estimatedHours;
}
public void setEstimatedHours(int estimatedHours) {
this.estimatedHours = estimatedHours;
}
}
}
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