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-rw-r--r--src/com/vaadin/tests/TestForTrees.java166
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diff --git a/src/com/vaadin/tests/TestForTrees.java b/src/com/vaadin/tests/TestForTrees.java
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+/*
+@ITMillApache2LicenseForJavaFiles@
+ */
+
+package com.vaadin.tests;
+
+import com.vaadin.event.Action;
+import com.vaadin.event.Action.Handler;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.Component;
+import com.vaadin.ui.CustomComponent;
+import com.vaadin.ui.Label;
+import com.vaadin.ui.OrderedLayout;
+import com.vaadin.ui.Panel;
+import com.vaadin.ui.Tree;
+import com.vaadin.ui.Button.ClickEvent;
+import com.vaadin.ui.Button.ClickListener;
+
+/**
+ * Some test cases for trees. Events panel logs events that happen server side.
+ *
+ * @author IT Mill Ltd.
+ */
+public class TestForTrees extends CustomComponent implements Handler {
+
+ private static final String[] firstnames = new String[] { "John", "Mary",
+ "Joe", "Sarah", "Jeff", "Jane", "Peter", "Marc", "Josie", "Linus" };
+
+ private static final String[] lastnames = new String[] { "Torvalds",
+ "Smith", "Jones", "Beck", "Sheridan", "Picard", "Hill", "Fielding",
+ "Einstein" };
+
+ private final OrderedLayout main = new OrderedLayout();
+
+ private final Action[] actions = new Action[] { new Action("edit"),
+ new Action("delete") };
+
+ private Panel al;
+
+ private Tree contextTree;
+
+ public TestForTrees() {
+
+ setCompositionRoot(main);
+ createNewView();
+ }
+
+ public void createNewView() {
+ main.removeAllComponents();
+ main
+ .addComponent(new Label(
+ "Some test cases for trees. Events panel logs events that happen server side."));
+
+ main.addComponent(new Button("commit"));
+
+ Tree t;
+
+ t = createTestTree();
+ t.setCaption("Default settings");
+ main.addComponent(createTestBench(t));
+
+ t = createTestTree();
+ t.setCaption("Multiselect settings");
+ t.setMultiSelect(true);
+ main.addComponent(createTestBench(t));
+
+ t = createTestTree();
+ t.setCaption("Multiselect and immediate");
+ t.setImmediate(true);
+ t.setMultiSelect(true);
+ main.addComponent(createTestBench(t));
+
+ t = createTestTree();
+ t.setCaption("immediate");
+ t.setImmediate(true);
+ main.addComponent(createTestBench(t));
+
+ t = createTestTree();
+ t.setCaption("with actions");
+ t.setImmediate(true);
+ t.addActionHandler(this);
+ final OrderedLayout ol = (OrderedLayout) createTestBench(t);
+ al = new Panel("action log");
+ ol.addComponent(al);
+ main.addComponent(ol);
+ contextTree = t;
+
+ final Button b = new Button("refresh view", this, "createNewView");
+ main.addComponent(b);
+
+ }
+
+ public Tree createTestTree() {
+ Tree t = new Tree("Tree");
+ final String[] names = new String[100];
+ for (int i = 0; i < names.length; i++) {
+ names[i] = firstnames[(int) (Math.random() * (firstnames.length - 1))]
+ + " "
+ + lastnames[(int) (Math.random() * (lastnames.length - 1))];
+ }
+
+ // Create tree
+ t = new Tree("Organization Structure");
+ for (int i = 0; i < 100; i++) {
+ t.addItem(names[i]);
+ final String parent = names[(int) (Math.random() * (names.length - 1))];
+ if (t.containsId(parent)) {
+ t.setParent(names[i], parent);
+ }
+ }
+
+ // Forbid childless people to have children (makes them leaves)
+ for (int i = 0; i < 100; i++) {
+ if (!t.hasChildren(names[i])) {
+ t.setChildrenAllowed(names[i], false);
+ }
+ }
+ return t;
+ }
+
+ public Component createTestBench(Tree t) {
+ final OrderedLayout ol = new OrderedLayout(
+ OrderedLayout.ORIENTATION_HORIZONTAL);
+
+ ol.addComponent(t);
+
+ final Panel status = new Panel("Events");
+ final Button clear = new Button("c");
+ clear.addListener(new ClickListener() {
+ public void buttonClick(ClickEvent event) {
+ status.removeAllComponents();
+ status.addComponent(clear);
+ }
+ });
+ status.addComponent(clear);
+
+ status.setHeight("300px");
+ status.setWidth("400px");
+
+ ol.addComponent(status);
+
+ t.addListener(new Listener() {
+ public void componentEvent(Event event) {
+ status.addComponent(new Label(event.getClass().getName()));
+ status.addComponent(new Label("selected: "
+ + event.getSource().toString()));
+ }
+ });
+
+ return ol;
+ }
+
+ public Action[] getActions(Object target, Object sender) {
+ return actions;
+ }
+
+ public void handleAction(Action action, Object sender, Object target) {
+ if (action == actions[1]) {
+ al.addComponent(new Label("Delete selected on " + target));
+ contextTree.removeItem(target);
+
+ } else {
+ al.addComponent(new Label("Edit selected on " + target));
+ }
+ }
+}