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package com.vaadin.tests.components.tabsheet;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractReindeerTestUI;
import com.vaadin.ui.Component;
import com.vaadin.ui.Label;
import com.vaadin.ui.Notification;
import com.vaadin.ui.TabSheet;
/**
* TabSheet test in case user selects a tab and on the selection listener the
* selected tab is changed to another one.
*
* This test used to cause nonfunctional TabSheet if the current tab was 1, user
* selects 5, then the selection listener will revert the selected tab to 1.
*
* @author Vaadin Ltd
*/
public class TabSelectionRevertedByServer extends AbstractReindeerTestUI {
@Override
protected void setup(VaadinRequest request) {
final TabSheet tabsheet = new TabSheet();
tabsheet.setWidth("400px");
Component lastLabel = null;
for (int i = 1; i <= 5; i++) {
String caption = "Tab " + i;
Label label = new Label(caption);
tabsheet.addTab(label, caption);
lastLabel = label;
}
tabsheet.setSelectedTab(0);
final Component lastTab = lastLabel;
tabsheet.addSelectedTabChangeListener(event -> {
if (tabsheet.getSelectedTab().equals(lastTab)) {
// Set focus back to first tab in tabsheet
tabsheet.setSelectedTab(0);
Notification.show("Focus set back to tab at position 0");
}
});
addComponent(tabsheet);
addButton("Select Last Tab", event -> tabsheet.setSelectedTab(lastTab));
}
@Override
protected String getTestDescription() {
return "Clicking on Tab 5 will revert to Tab 1. The action is handled on the server side and will set the selected tab to 1 if Tab 5 is selected.";
}
@Override
protected Integer getTicketNumber() {
return 14710;
}
}
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