Examples of com.vaadin.ui.ComboBox

com.vaadin.ui.ComboBox
A filtering dropdown single-select. Suitable for newItemsAllowed, but it's turned of by default to avoid mistakes. Items are filtered based on user input, and loaded dynamically ("lazy-loading") from the server. You can turn on newItemsAllowed and change filtering mode (and also turn it off), but you can not turn on multi-select mode.


    private int i;


    @Override
    protected void setup() {
        final ComboBox comboBox = new ComboBox();
        populate(comboBox);


        Button b = new Button("add item (^N)");
        b.addListener(new ClickListener() {
            @Override

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    }


    private void createUI(AbstractOrderedLayout layout) {
        VerticalLayout ol;
        Panel p;
        ComboBox cb;


        ol = new VerticalLayout();
        p = new Panel(ol);
        p.setCaption("Combobox without width");
        // p.setWidth("100px");
        cb = new ComboBox();
        // cb.setCaption("A combobox");
        // cb.setWidth("100%");
        ol.addComponent(cb);
        layout.addComponent(p);


        ol = new VerticalLayout();
        p = new Panel(ol);
        p.setCaption("Combobox without width with caption");
        // p.setWidth("100px");
        cb = new ComboBox();
        cb.setCaption("A combobox");
        // cb.setWidth("100px");
        ol.addComponent(cb);
        layout.addComponent(p);


        //
        ol = new VerticalLayout();
        p = new Panel(ol);
        p.setCaption("Combobox 100px wide");
        // p.setWidth("100px");
        cb = new ComboBox();
        // cb.setCaption("A combobox");
        cb.setWidth("100px");
        ol.addComponent(cb);
        layout.addComponent(p);


        ol = new VerticalLayout();
        p = new Panel(ol);
        p.setCaption("Combobox 100px wide with caption");
        // p.setWidth("100px");
        cb = new ComboBox();
        cb.setCaption("A combobox");
        cb.setWidth("100px");
        ol.addComponent(cb);
        layout.addComponent(p);


        ol = new VerticalLayout();
        p = new Panel(ol);
        p.setCaption("Combobox 500px wide");
        // p.setWidth("500px");
        cb = new ComboBox();
        // cb.setCaption("A combobox");
        cb.setWidth("500px");
        ol.addComponent(cb);
        layout.addComponent(p);


        ol = new VerticalLayout();
        p = new Panel(ol);
        p.setCaption("Combobox 500px wide with caption");
        // p.setWidth("500px");
        cb = new ComboBox();
        cb.setCaption("A combobox");
        cb.setWidth("500px");
        ol.addComponent(cb);
        layout.addComponent(p);


        ol = new VerticalLayout();
        p = new Panel(ol);
        p.setCaption("Combobox 100% wide");
        p.setWidth("200px");
        ol.setWidth("100%");
        cb = new ComboBox();
        // cb.setCaption("A combobox");
        cb.setWidth("100%");
        ol.addComponent(cb);
        layout.addComponent(p);


        ol = new VerticalLayout();
        p = new Panel(ol);
        p.setCaption("Combobox 100% wide with caption");
        p.setWidth("200px");
        ol.setWidth("100%");
        cb = new ComboBox();
        cb.setCaption("A combobox");
        cb.setWidth("100%");
        ol.addComponent(cb);
        layout.addComponent(p);


    }

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        final LegacyWindow main = new LegacyWindow(getClass().getName()
                .substring(getClass().getName().lastIndexOf(".") + 1));
        setMainWindow(main);


        ComboBox cb = new ComboBox(" '<' item is not seen in populist?");
        cb.addItem("Te<strong>st</strong> < jep >");
        cb.addItem("<");
        cb.addItem(">");


        cb.addItem("< dsf");
        cb.addItem("> sdf");


        cb.addItem("dsfs <");
        cb.addItem("sdfsd >");


        main.addComponent(cb);


    }

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public class FocusListenerBreaksDropdownMenu extends TestBase {


    @Override
    protected void setup() {
        final ComboBox comboBox = new ComboBox();
        for (int i = 0; i < 5; ++i) {
            comboBox.addItem("Item " + i);
        }


        comboBox.addListener(new FieldEvents.FocusListener() {
            @Override
            public void focus(FieldEvents.FocusEvent event) {
                comboBox.addItem();
            }
        });


        comboBox.setImmediate(true);
        addComponent(comboBox);
    }

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        TextField f2 = new TextField("2");
        f2.setTabIndex(index++);


        DateField f3 = new DateField("3");
        f3.setTabIndex(index++);
        ComboBox cb = new ComboBox("4");
        cb.setTabIndex(index++);


        ListSelect lss = new ListSelect("5");
        lss.addItem("foo");
        lss.addItem("Bar");
        lss.setTabIndex(index++);

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        pl = createPanelLayout();
        p = new Panel("ComboBox", pl);
        p.setStyleName(Reindeer.PANEL_LIGHT);
        h.addComponent(p);
        ComboBox c = new ComboBox("ITEM_CAPTION_MODE_PROPERTY");
        c.setImmediate(true);
        c.setContainerDataSource(cont);
        c.setItemCaptionPropertyId("Asd");
        c.setItemCaptionMode(ComboBox.ITEM_CAPTION_MODE_PROPERTY);
        pl.addComponent(c);
        c = new ComboBox("ITEM_CAPTION_MODE_ITEM");
        c.setImmediate(true);
        c.setContainerDataSource(cont);
        c.setItemCaptionMode(ComboBox.ITEM_CAPTION_MODE_ITEM);
        pl.addComponent(c);


        pl = createPanelLayout();
        p = new Panel("ListBox", pl);
        p.setStyleName(Reindeer.PANEL_LIGHT);

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    /**
     * Creates a font family selection dialog
     */
    private Component createFontSelect() {
        final ComboBox select = new ComboBox(null, Arrays.asList("Arial",
                "Helvetica", "Verdana", "Courier", "Times", "sans-serif"));
        select.setValue("Arial");
        select.setWidth("200px");
        select.setInputPrompt("Font");
        select.setDescription("Font");
        select.setImmediate(true);
        select.setNullSelectionAllowed(false);
        select.setNewItemsAllowed(false);


        select.addValueChangeListener(new ValueChangeListener() {


            @Override
            public void valueChange(ValueChangeEvent event) {
                // Get the new font family
                String fontFamily = select.getValue().toString();


                // Get the stylesheet of the page
                Styles styles = Page.getCurrent().getStyles();


                // inject the new font size as a style. We need .v-app to

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    /**
     * Creates a font size selection control
     */
    private Component createFontSizeSelect() {


        final ComboBox select = new ComboBox(null, Arrays.asList(8, 9, 10, 12,
                14, 16, 20, 25, 30, 40, 50));
        select.setWidth("100px");
        select.setValue(12);
        select.setInputPrompt("Font size");
        select.setDescription("Font size");
        select.setImmediate(true);
        select.setNullSelectionAllowed(false);
        select.setNewItemsAllowed(false);
        select.addValueChangeListener(new ValueChangeListener() {


            @Override
            public void valueChange(ValueChangeEvent event) {
                // Get the new font size
                Integer fontSize = (Integer) select.getValue();


                // Get the stylesheet of the page
                Styles styles = Page.getCurrent().getStyles();


                // inject the new font size as a style. We need .v-app to

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        Table t = new Table();
        t.setSelectable(true);
        t.addContainerProperty("foo", String.class, "bar");
        t.addItem();
        fields.add(t);
        fields.add(new ComboBox());
        fields.add(new NativeSelect());
        fields.add(new ListSelect());
        fields.add(new TextField());
        fields.add(new PopupDateField());
        fields.add(new InlineDateField());

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                b.setCaption("Go try your luck with " + i + " layouts!");
            }


        });


        final ComboBox s = new ComboBox("Restart game with select:");
        s.setNullSelectionAllowed(false);
        s.addItem("-- Choose value --");
        s.setValue("-- Choose value --");
        s.addItem(VerticalLayout.class);
        s.addItem(HorizontalLayout.class);
        s.addItem(GridLayout.class);
        s.addListener(new ComboBox.ValueChangeListener() {


            @Override
            public void valueChange(ValueChangeEvent event) {
                Object value = s.getValue();
                if (!value.equals("-- Choose value --")) {
                    currentValue = (Class<?>) value;
                    i = 0;
                    s.setValue("-- Choose value --");
                    b.setCaption("Go try your luck with " + i + " layouts!");
                }


            }
        });
        s.setImmediate(true);


        main.addComponent(l);
        main.addComponent(b);
        main.addComponent(s);
        main.addComponent(root);

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