Java Code Examples for com.google.gwt.user.client.ui.ListBox#addItem()

/**
    * Utility function to set the current value in a ListBox.
    *
    * @return returns true if the option corresponding to the value
    * was successfully selected in the ListBox
    */
   public static final boolean setSelectedValue(ListBox list, String value, boolean addMissingValues) {
if (value == null) {
    list.setSelectedIndex(0);
    return false;
}
else {
    int index = findValueInListBox(list, value);
    if (index >= 0) {
	list.setSelectedIndex(index);
	return true;
    }

    if (addMissingValues) {
	list.addItem(value, value);

	// now that it's there, search again
	index = findValueInListBox(list, value);
	list.setSelectedIndex(index);
	return true;
    }

    return false;
}
   }
 

private Widget createSimilarityListBox()
{
    final ListBox box = new ListBox();
    for (WCSimilarityAlgo font : WCSimilarityAlgoRegistry.list())
        box.addItem(font.getDescription(), font.getId());

    box.setSelectedIndex(findIndex(box, setting.getSimilarityAlgorithm().getId()));

    box.addChangeHandler(new ChangeHandler()
    {
        public void onChange(ChangeEvent event)
        {
            WCSimilarityAlgo value = WCSimilarityAlgoRegistry.getById(box.getValue(box.getSelectedIndex()));
            setting.setSimilarityAlgorithm(value);
        }
    });

    box.setTitle("Similarity method for computing relatedness between words; similar words tend to be placed together");
    return box;
}
 

private ListBox createRankingListBox()
{
    final ListBox box = new ListBox();
    for (WCRankingAlgo algo : WCRankingAlgoRegistry.list())
        box.addItem(algo.getDescription(), algo.getId());

    box.setSelectedIndex(findIndex(box, setting.getRankingAlgorithm().getId()));

    box.addChangeHandler(new ChangeHandler()
    {
        public void onChange(ChangeEvent event)
        {
            WCRankingAlgo value = WCRankingAlgoRegistry.getById(box.getValue(box.getSelectedIndex()));
            setting.setRankingAlgorithm(value);
        }
    });

    box.setTitle("Ranking method for computing word importance, which determines font size of each word");
    return box;
}
 

private ListBox createFontListBox()
{
    final ListBox box = new ListBox();
    for (WCFont font : WCFontRegistry.list())
        box.addItem(font.getDescription(), font.getName());

    box.setSelectedIndex(findIndex(box, setting.getFont().getName()));

    box.addChangeHandler(new ChangeHandler()
    {
        public void onChange(ChangeEvent event)
        {
            WCFont value = WCFontRegistry.getByName(box.getValue(box.getSelectedIndex()));
            setting.setFont(value);
        }
    });

    box.setTitle("Font family of the words");
    return box;
}
 

protected void updateListBoxItems(ListBox listBox, List<JsonObject> options) {
    List<String> listBoxItems = ((CubaDoubleClickListBox) listBox).getItems();

    for (int i = 0; i < options.size(); i++) {
        final JsonObject item = options.get(i);
        String value = MultiSelectWidget.getKey(item);
        String caption = MultiSelectWidget.getCaption(item);
        int index = i;
        // reuse existing option if possible
        if (index < listBox.getItemCount()) {
            if (!reorderable) {
                int listBoxItemIndex = listBoxItems.indexOf(caption);
                if (listBoxItemIndex >= 0) {
                    index = listBoxItemIndex;
                }
            }
            listBox.setItemText(index, caption);
            listBox.setValue(index, value);
        } else {
            listBox.addItem(caption, value);
        }
    }
}
 

protected static Set<String> moveSelectedItems(ListBox source, ListBox target) {
    final boolean[] sel = getSelectionBitmap(source);
    final Set<String> movedItems = new HashSet<>();
    for (int i = 0; i < sel.length; i++) {
        if (sel[i]) {
            final int optionIndex = i
                    - (sel.length - source.getItemCount());
            movedItems.add(source.getValue(optionIndex));

            // Move selection to another column
            final String text = source.getItemText(optionIndex);
            final String value = source.getValue(optionIndex);
            target.addItem(text, value);
            target.setItemSelected(target.getItemCount() - 1, true);
            source.removeItem(optionIndex);
        }
    }

    target.setFocus(true);

    return movedItems;
}
 

private Set<String> moveAllItems(ListBox source, ListBox target) {
    final Set<String> movedItems = new HashSet<String>();
    int size = source.getItemCount();
    for (int i = 0; i < size; i++) {
        movedItems.add(source.getValue(i));
        final String text = source.getItemText(i);
        final String value = source.getValue(i);
        target.addItem(text, value);
        target.setItemSelected(target.getItemCount() - 1, true);
    }
    target.setFocus(true);
    if (source.getItemCount() > 0) {
        target.setSelectedIndex(0);
    }
    source.clear();
    return movedItems;
}
 

private void addVolumeMenuItems( ListBox volumeMenu )
{
	volumeMenu.addItem( "0%", "0" );
	volumeMenu.addItem( "5%", "5" );
	volumeMenu.addItem( "10%", "10" );
	volumeMenu.addItem( "15%", "15" );
	volumeMenu.addItem( "20%", "20" );
	volumeMenu.addItem( "25%", "25" );
	volumeMenu.addItem( "30%", "30" );
	volumeMenu.addItem( "35%", "35" );
	volumeMenu.addItem( "40%", "40" );
	volumeMenu.addItem( "45%", "45" );
	volumeMenu.addItem( "50%", "50" );
	volumeMenu.addItem( "55%", "55" );
	volumeMenu.addItem( "60%", "60" );
	volumeMenu.addItem( "65%", "65" );
	volumeMenu.addItem( "70%", "70" );
	volumeMenu.addItem( "75%", "75" );
	volumeMenu.addItem( "80%", "80" );
	volumeMenu.addItem( "85%", "85" );
	volumeMenu.addItem( "90%", "90" );
	volumeMenu.addItem( "95%", "95" );
	volumeMenu.addItem( "100%", "100" );
}
 

private ListBox createNumberListBox()
{
    final ListBox box = new ListBox();
    List<String> values = Arrays.asList("10", "20", "30", "40", "50", "75", "100", "125", "150", "200", "250", "300");

    for (int i = 0; i < values.size(); i++)
        box.addItem(values.get(i));

    box.setSelectedIndex(findIndex(box, String.valueOf(setting.getWordCount())));

    box.addChangeHandler(new ChangeHandler()
    {
        public void onChange(ChangeEvent event)
        {
            int value = Integer.parseInt(box.getValue(box.getSelectedIndex()));
            setting.setWordCount(value);
        }
    });

    box.setTitle("Number of words to include in the word cloud");

    return box;
}
 

private Widget createAspectRatioListBox()
{
    final ListBox box = new ListBox();
    for (WCAspectRatio algo : WCAspectRatioRegistry.list())
        box.addItem(algo.getDescription(), algo.getId());

    box.setSelectedIndex(findIndex(box, setting.getAspectRatio().getId()));

    box.addChangeHandler(new ChangeHandler()
    {
        public void onChange(ChangeEvent event)
        {
            WCAspectRatio value = WCAspectRatioRegistry.getById(box.getValue(box.getSelectedIndex()));
            setting.setAspectRatio(value);
        }
    });

    box.setTitle("Desired aspect ratio of the drawing");

    return box;
}
 

public void setZoomOptions(List<Integer> newZoomOptions) {
	ListBox zoomSelection = zoomPanel.selection;
	int previousIndex = zoomSelection.getSelectedIndex();

	zoomSelection.clear();
	for (int i : newZoomOptions) {
		zoomSelection.addItem(i + "%");
	}
	zoomSelection.addItem(DjvuContext.getString("label_fitWidth", "Fit width"));
	zoomSelection.addItem(DjvuContext.getString("label_fitPage", "Fit page"));

	if (previousIndex >= zoomOptions.size()) {
		// either "fit with" or "fit page" was selected  
		zoomSelection.setSelectedIndex(newZoomOptions.size() + (zoomOptions.size() - previousIndex));
	} else {
		int zoom = pageLayout != null ? pageLayout.getZoom() : 100;
		int newSelected = Arrays.binarySearch(newZoomOptions.toArray(), zoom, Collections.reverseOrder());
		if (newSelected >= 0) {
			zoomSelection.setSelectedIndex(Math.min(newSelected, newZoomOptions.size() - 1));
			zoomOptions = newZoomOptions;
			zoomSelectionChanged();
		} else {
			zoomSelection.setSelectedIndex(-1);
			zoomOptions = newZoomOptions;
		}
	}
	zoomPanel.updateButtons();
}
 

private ListBox createLanguageListBox()
{
    final ListBox box = new ListBox();
    box.addItem("Arabic", "ar");
    box.addItem("Czech", "cs");
    box.addItem("Danish", "da");
    box.addItem("Dutch", "nl");
    box.addItem("English", "en");
    box.addItem("Finnish", "fi");
    box.addItem("French", "fr");
    box.addItem("German", "de");
    box.addItem("Greek", "el");
    box.addItem("Hungarian", "hu");
    box.addItem("Italian", "it");
    box.addItem("Japanese", "ja");
    box.addItem("Norwegian", "no");
    box.addItem("Polish", "pl");
    box.addItem("Portuguese", "pt");
    box.addItem("Russian", "ru");
    box.addItem("Spanish", "es");
    box.addItem("Swedish", "sv");
    box.addItem("Turkish", "tr");

    box.setSelectedIndex(findIndex(box, setting.getLanguage()));
    setNonEnglishText("en".equals(setting.getLanguage()));

    box.addChangeHandler(new ChangeHandler()
    {
        public void onChange(ChangeEvent event)
        {
            String value = box.getValue(box.getSelectedIndex());
            setting.setLanguage(value);
            setNonEnglishText("en".equals(value));
        }
    });

    box.setTitle("Language of text");

    return box;
}
 

public void setPageCount(int pagesCount) {
	this.pagesCount = pagesCount;
	ListBox pageSelection = pagePanel.selection;
	pageSelection.clear();
	for (int i = 1; i <= pagesCount; i++) {
		pageSelection.addItem(i + "");
	}
	pagePanel.updateButtons();
}
 

/**
 * Creates a new MockSpinner component.
 *
 * @param editor editor of source file the component belongs to
 */
public MockSpinner(SimpleEditor editor) {
  super(editor, TYPE, images.spinner());

  // Initialize mock label UI
  spinnerWidget = new ListBox();
  spinnerWidget.addItem(MESSAGES.MockSpinnerAddItems());
  spinnerWidget.setStylePrimaryName("ode-SimpleMockComponent");
  spinnerWidget.addStyleName("spinnerComponentStyle");
  initComponent(spinnerWidget);
  refreshForm();
}
 

/**
 * Creates a new property editor for selecting a component, where the
 * user chooses among components of one or more component types.
 *
 * @param editor the editor that this property editor belongs to
 * @param componentTypes types of component that can be selected, or null if
 *        all types of components can be selected.
 */
public YoungAndroidComponentSelectorPropertyEditor(final YaFormEditor editor,
    Set<String> componentTypes) {
  this.editor = editor;
  this.componentTypes = componentTypes;

  VerticalPanel selectorPanel = new VerticalPanel();
  componentsList = new ListBox();
  componentsList.setVisibleItemCount(10);
  componentsList.setWidth("100%");
  selectorPanel.add(componentsList);
  selectorPanel.setWidth("100%");

  choices = new ListWithNone(MESSAGES.noneCaption(), new ListWithNone.ListBoxWrapper() {
    @Override
    public void addItem(String item) {
      componentsList.addItem(item);
    }

    @Override
    public String getItem(int index) {
      return componentsList.getItemText(index);
    }

    @Override
    public void removeItem(int index) {
      componentsList.removeItem(index);
    }

    @Override
    public void setSelectedIndex(int index) {
      componentsList.setSelectedIndex(index);
    }
  });

  // At this point, the editor hasn't finished loading.
  // Use a DeferredCommand to finish the initialization after the editor has finished loading.
  DeferredCommand.addCommand(new Command() {
    @Override
    public void execute() {
      if (editor.isLoadComplete()) {
        finishInitialization();
      } else {
        // Editor still hasn't finished loading.
        DeferredCommand.addCommand(this);
      }
    }
  });

  initAdditionalChoicePanel(selectorPanel);
}
 

/**
 * UI initialization
 */
public void init()
{
	this.setSize("480px", "100px");

	//Dialog box title
	closeButton.setSize("10px", "10px");
	closeButton.setStyleName("closebtn");

	//Selection dialog
	HorizontalPanel typeListPanel = new HorizontalPanel();
	typeListPanel.setStyleName("popupDatatypeSelectPanel");
	typeListBox = new ListBox();
	typeListBox.setWidth("120px");
	typeListBox.addItem("----");
	typeListBox.addItem(DatasetType.GENERAL.getDesc());
	typeListBox.addItem(DatasetType.CSV.getDesc());
	typeListBox.addItem(DatasetType.TSV.getDesc());
	typeListBox.addItem(DatasetType.JSON.getDesc());
	if(dataset.getContenttype() == null || dataset.getContenttype() .equals(""))
		typeListBox.setSelectedIndex(0);
	else
	{
		for(int i = 0 ; i<typeListBox.getItemCount() ; i++)
		{
			if(typeListBox.getItemText(i).equals(dataset.getContenttype()))
			{
				typeListBox.setSelectedIndex(i);
				break;
			}
		}
	}
	Label selectLabel = new Label("Select data type: ");
	typeListPanel.add(selectLabel);
	typeListPanel.add(typeListBox);

	//Ok and cancel button
	HorizontalPanel buttonPanel = new HorizontalPanel();
	buttonPanel.setStyleName("popupDatatypeButtonPanel");
	okBtn = new Button("Ok");
	okBtn.setStyleName("button-style");
	cancelBtn = new Button("Cancel");
	cancelBtn.setStyleName("button-style");
	buttonPanel.add(okBtn);
	buttonPanel.add(cancelBtn);

	//Overall arrangement
	VerticalPanel topPanel = new VerticalPanel();
	topPanel.add(closeButton);
	topPanel.setCellHeight(closeButton, "13px");
	topPanel.setStyleName("vpanel");
	desc.setStyleName("popupDatatypeSelectTitle");
	topPanel.add(desc);
	topPanel.setCellHeight(desc, "30px");
	topPanel.add(typeListPanel);
	topPanel.add(buttonPanel);

	this.setGlassEnabled(true);
	this.setModal(true);
	this.add(topPanel);
	this.center();
	this.setStyleName("loading-panel");
}
 

Widget asWidget() {
    LayoutPanel layout = new LayoutPanel();

    VerticalPanel panel = new VerticalPanel();
    panel.setStyleName("rhs-content-panel");

    ScrollPanel scroll = new ScrollPanel(panel);
    layout.add(scroll);

    layout.setWidgetTopHeight(scroll, 0, Style.Unit.PX, 100, Style.Unit.PCT);

    serverName = new HTML(Console.CONSTANTS.replace_me());
    serverName.setStyleName("content-header-label");

    HorizontalPanel header = new HorizontalPanel();
    header.setStyleName("fill-layout-width");
    header.add(serverName);

    final DeckPanel deck = new DeckPanel();
    deck.addStyleName("fill-layout");

    final ListBox selector = new ListBox();

    selector.addItem("Type: Remote");
    selector.addItem("Type: In-VM");
    selector.addItem("Type: Generic");

    selector.addChangeHandler(changeEvent -> deck.showWidget(selector.getSelectedIndex()));

    header.add(selector);
    selector.getElement().getParentElement().setAttribute("align", "right");

    panel.add(header);
    panel.add(new ContentDescription(Console.CONSTANTS.hornetq_acceptor_type_desc()));

    genericAcceptors = new AcceptorList(presenter, AcceptorType.GENERIC);
    remoteAcceptors = new AcceptorList(presenter, AcceptorType.REMOTE);
    invmAcceptors = new AcceptorList(presenter, AcceptorType.INVM);

    deck.add(remoteAcceptors.asWidget());
    deck.add(invmAcceptors.asWidget());
    deck.add(genericAcceptors.asWidget());

    deck.showWidget(0);

    panel.add(deck);

    return layout;
}
 

Widget asWidget() {

        LayoutPanel layout = new LayoutPanel();

        VerticalPanel panel = new VerticalPanel();
        panel.setStyleName("rhs-content-panel");

        ScrollPanel scroll = new ScrollPanel(panel);
        layout.add(scroll);

        layout.setWidgetTopHeight(scroll, 0, Style.Unit.PX, 100, Style.Unit.PCT);

        serverName = new HTML("Replace me");
        serverName.setStyleName("content-header-label");

        HorizontalPanel header = new HorizontalPanel();
        header.setStyleName("fill-layout-width");
        header.add(serverName);

        final DeckPanel deck = new DeckPanel();
        deck.addStyleName("fill-layout");

        final ListBox selector = new ListBox();

        selector.addItem("Type: Remote");
        selector.addItem("Type: In-VM");
        selector.addItem("Type: Generic");

        selector.addChangeHandler(changeEvent -> deck.showWidget(selector.getSelectedIndex()));

        header.add(selector);
        selector.getElement().getParentElement().setAttribute("align", "right");

        panel.add(header);
        panel.add(new ContentDescription(Console.CONSTANTS.jmsConnectorDescription()));

        genericConnectors = new ConnectorList(presenter, ConnectorType.GENERIC);
        remoteConnectors = new ConnectorList(presenter, ConnectorType.REMOTE);
        invmConnectors = new ConnectorList(presenter, ConnectorType.INVM);

        deck.add(remoteConnectors.asWidget());
        deck.add(invmConnectors.asWidget());
        deck.add(genericConnectors.asWidget());

        deck.showWidget(0);

        panel.add(deck);

        return layout;
    }
 

Widget asWidget() {

        LayoutPanel layout = new LayoutPanel();

        VerticalPanel panel = new VerticalPanel();
        panel.setStyleName("rhs-content-panel");

        ScrollPanel scroll = new ScrollPanel(panel);
        layout.add(scroll);

        layout.setWidgetTopHeight(scroll, 0, Style.Unit.PX, 100, Style.Unit.PCT);

        // ---

        serverName = new HTML(Console.CONSTANTS.replace_me());
        serverName.setStyleName("content-header-label");


        HorizontalPanel header = new HorizontalPanel();
        header.setStyleName("fill-layout-width");
        header.add(serverName);

        // ----

        final DeckPanel deck = new DeckPanel();
        deck.addStyleName("fill-layout");

        final ListBox selector = new ListBox();

        selector.addItem("Type: Remote");
        selector.addItem("Type: In-VM");
        selector.addItem("Type: Generic");

        selector.addChangeHandler(new ChangeHandler() {
            @Override
            public void onChange(ChangeEvent changeEvent) {
                deck.showWidget(selector.getSelectedIndex());
            }
        });

        header.add(selector);
        selector.getElement().getParentElement().setAttribute("align", "right");


        panel.add(header);
        panel.add(new ContentDescription(Console.CONSTANTS.hornetq_acceptor_type_desc()));

        genericAcceptors = new AcceptorList(presenter, AcceptorType.GENERIC);
        remoteAcceptors = new AcceptorList(presenter, AcceptorType.REMOTE);
        invmAcceptors = new AcceptorList(presenter, AcceptorType.INVM);

        deck.add(remoteAcceptors.asWidget());
        deck.add(invmAcceptors.asWidget());
        deck.add(genericAcceptors.asWidget());

        deck.showWidget(0);

        panel.add(deck);

        return layout;
    }
 

Widget asWidget() {

        LayoutPanel layout = new LayoutPanel();

        VerticalPanel panel = new VerticalPanel();
        panel.setStyleName("rhs-content-panel");

        ScrollPanel scroll = new ScrollPanel(panel);
        layout.add(scroll);

        layout.setWidgetTopHeight(scroll, 0, Style.Unit.PX, 100, Style.Unit.PCT);

        // ---

        serverName = new HTML("Replace me");
        serverName.setStyleName("content-header-label");


        HorizontalPanel header = new HorizontalPanel();
        header.setStyleName("fill-layout-width");
        header.add(serverName);

        // ----

        final DeckPanel deck = new DeckPanel();
        deck.addStyleName("fill-layout");

        final ListBox selector = new ListBox();

        selector.addItem("Type: Remote");
        selector.addItem("Type: In-VM");
        selector.addItem("Type: Generic");

        selector.addChangeHandler(new ChangeHandler() {
            @Override
            public void onChange(ChangeEvent changeEvent) {
                deck.showWidget(selector.getSelectedIndex());
            }
        });

        header.add(selector);
        selector.getElement().getParentElement().setAttribute("align", "right");


        panel.add(header);
        panel.add(new ContentDescription(Console.CONSTANTS.jmsConnectorDescription()));

        genericConnectors = new ConnectorList(presenter, ConnectorType.GENERIC);
        remoteConnectors = new ConnectorList(presenter, ConnectorType.REMOTE);
        invmConnectors = new ConnectorList(presenter, ConnectorType.INVM);

        deck.add(remoteConnectors.asWidget());
        deck.add(invmConnectors.asWidget());
        deck.add(genericConnectors.asWidget());

        deck.showWidget(0);

        panel.add(deck);

        return layout;
    }