uitest/src/main/java/com/vaadin/tests/components/tabsheet/TabsheetScrolling.java


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package com.vaadin.tests.components.tabsheet;

import com.vaadin.tests.components.TestBase;
import com.vaadin.ui.Button;
import com.vaadin.ui.TabSheet;
import com.vaadin.ui.TabSheet.Tab;

public class TabsheetScrolling extends TestBase {

    public static final String SELECT_FIRST = "selFirst";
    public static final String SELECT_LAST = "selLast";
    private TabSheet fixedSizeTabSheet;
    private TabSheet autoWideTabSheet;

    @Override
    protected void setup() {
        fixedSizeTabSheet = new TabSheet();
        fixedSizeTabSheet.setHeight("200px");
        fixedSizeTabSheet.setWidth("400px");

        for (int i = 0; i < 100; i++) {
            Button b = new Button("Hide this tab (" + i + ")",
                    event -> fixedSizeTabSheet.getTab(event.getButton())
                            .setVisible(false));
            Tab t = fixedSizeTabSheet.addTab(b, "Tab " + i, null);
            if (i % 2 == 0) {
                t.setVisible(false);
            }
        }

        addComponent(fixedSizeTabSheet);

        autoWideTabSheet = new TabSheet();
        autoWideTabSheet.setHeight("200px");
        autoWideTabSheet.setWidth(null);

        for (int i = 0; i < 10; i++) {
            Button b = new Button("Hide this tab (" + i + ")",
                    event -> autoWideTabSheet.getTab(event.getButton())
                            .setVisible(false));

            Tab t = autoWideTabSheet.addTab(b, "Tab " + i, null);
            if (i % 2 == 0) {
                t.setVisible(false);

            }
        }

        addComponent(autoWideTabSheet);
        Button selectFirst = new Button("Select first tab in both tabsheets",
                event -> {
                    fixedSizeTabSheet.setSelectedTab(0);
                    autoWideTabSheet.setSelectedTab(0);
                });
        selectFirst.setId(SELECT_FIRST);
        addComponent(selectFirst);
        Button selectLast = new Button("Select last tab in both tabsheets",
                event -> {
                    int lastFixed = fixedSizeTabSheet.getComponentCount() - 1;
                    fixedSizeTabSheet.setSelectedTab(lastFixed);
                    int lastAuto = autoWideTabSheet.getComponentCount() - 1;
                    autoWideTabSheet.setSelectedTab(lastAuto);
                });
        selectLast.setId(SELECT_LAST);
        addComponent(selectLast);
    }

    @Override
    protected String getDescription() {
        return "Two tabsheets, upper has fixed width, lower has dynamic width. Every other tab in both tabsheets are hidden (even numbered tabs). Scrolling the upper tab sheet should never display a hidden tab. Hiding a tab in the upper tabsheet should not affect scrolling. Hiding a tab in the lower tabsheet should make the tabsheet width change (auto wide).";
    }

    @Override
    protected Integer getTicketNumber() {
        return 3141;
    }

}