package com.vaadin.tests.components.tabsheet;
import com.vaadin.tests.components.AbstractTestCase;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.Label;
import com.vaadin.ui.LegacyWindow;
import com.vaadin.ui.TabSheet;
import com.vaadin.ui.TabSheet.Tab;
import com.vaadin.ui.VerticalLayout;
public class TabsheetNPE extends AbstractTestCase implements ClickListener {
@Override
protected String getDescription() {
return "Enable and activate tab should enable and activate the first tab.";
}
@Override
protected Integer getTicketNumber() {
return 3292;
}
private static final int TABS_COUNT = 3;
private TabSheet tabSheet;
private Label[] label = new Label[TABS_COUNT];
private Tab[] tab = new Tab[TABS_COUNT];
@Override
public void init() {
setMainWindow(new LegacyWindow("TabSheet Demo", createMainLayout()));
}
private VerticalLayout createMainLayout() {
VerticalLayout layout = new VerticalLayout();
tabSheet = new TabSheet();
for (int i = 1; i <= TABS_COUNT; i++) {
label[i - 1] = new Label("Tab " + i);
tab[i - 1] = tabSheet.addTab(label[i - 1], "Tab " + i, null);
tab[i - 1].setEnabled(false);
}
layout.addComponent(tabSheet);
Button btn = new Button("Enable and activate tab");
btn.addListener(this);
layout.addComponent(btn);
return layout;
}
@Override
public void buttonClick(ClickEvent event) {
for (int i = 0; i < TABS_COUNT; i++) {
tab[i].setEnabled(true);
}
tabSheet.setSelectedTab(label[0]);
}
}