/* * Copyright 2000-2014 Vaadin Ltd. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.vaadin.tests; import java.util.LinkedList; import java.util.Random; import com.vaadin.data.Property.ValueChangeEvent; import com.vaadin.data.Property.ValueChangeListener; import com.vaadin.shared.ui.label.ContentMode; import com.vaadin.ui.Label; import com.vaadin.ui.LegacyWindow; import com.vaadin.ui.Panel; import com.vaadin.ui.Select; import com.vaadin.ui.VerticalLayout; 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 = new String[] { "John", "Mary", "Joe", "Sarah", "Jeff", "Jane", "Peter", "Marc", "Josie", "Linus" }; final String[] type = new String[] { "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("Type: " + task.getType() + "
Assigned to: " + task.getAssignedTo() + "
Estimated hours: " + 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; } } }