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

protected void updateListBox(List<JsonObject> items, ListBox listBox, BiConsumer<ListBox, List<JsonObject>> updateTask) {
    List<String> selectedItems = null;

    int selectedIdx = listBox.getSelectedIndex();
    int itemsCount = listBox.getItemCount();

    if (selectedIdx >= 0) {
        selectedItems = new ArrayList<>();
        for (int i = selectedIdx; i < itemsCount; i++) {
            selectedItems.add(listBox.getItemText(i));
        }
    }

    updateTask.accept(listBox, items);

    if (selectedItems != null) {
        // re-set selection
        for (int i = 0; i < itemsCount; i++) {
            String item = listBox.getItemText(i);
            listBox.setItemSelected(i, selectedItems.contains(item));
        }
    }
}
 

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 String getConfiguration() {
	String conf = iConfiguration;
	for (MatchResult matcher = iRegExp.exec(conf); matcher != null; matcher = iRegExp.exec(conf)) {
		Element element = DOM.getElementById(matcher.getGroup(1));
		String value = "";
		if ("select".equalsIgnoreCase(element.getTagName())) {
			ListBox list = ListBox.wrap(element);
			for (int i = 0; i < list.getItemCount(); i++) {
				if (list.isItemSelected(i))
					value += (value.isEmpty() ? "" : ",") + list.getValue(i);
			}
		} else if ("input".equalsIgnoreCase(element.getTagName())) {
			TextBox text = TextBox.wrap(element);
			value = text.getText();
		} else {
			Hidden hidden = Hidden.wrap(element);
			value = hidden.getValue();
		}
		conf = conf.replace("${" + matcher.getGroup(1) + "}", value);
	}
	return conf;
}
 

public void setValue(String name, String value) {
	Widget w = iWidgets.get(name);
	FilterParameterInterface param = iFilter.getParameter(name);
	if (param != null) param.setValue(value);
	if (w == null) return;
	if (w instanceof CheckBox) {
		((CheckBox)w).setValue("1".equals(value));
	} else if (w instanceof ListBox) {
		ListBox list = (ListBox)w;
		if (param != null && param.isMultiSelect()) {
			for (int i = 0; i < list.getItemCount(); i++) {
				boolean selected = false;
				for (String val: value.split(","))
					if (val.equalsIgnoreCase(list.getValue(i))) selected = true;
				list.setItemSelected(i, selected);
			}
		} else {
			for (int i = 0; i < list.getItemCount(); i++) {
				if (value.equalsIgnoreCase(list.getValue(i))) {
					list.setSelectedIndex(i); break;
				}
			}
		}
	} else if (w instanceof HasText) {
		((HasText)w).setText(value);
	}
}
 

private void select(ListBox l, String value) {
	for (int i = 0; i < l.getItemCount(); i++) {
		if (l.getValue(i).equals(value)) {
			l.setSelectedIndex(i);
			return;
		}
	}
}
 

private int findIndex(ListBox box, String value)
{
    for (int i = 0; i < box.getItemCount(); i++)
        if (box.getValue(i).equals(value))
            return i;
    return -1;
}
 

/**
    * Utility function to find the first index of a value in a
    * ListBox.
    */
   public static final int findValueInListBox(ListBox list, String value) {
for (int i=0; i<list.getItemCount(); i++) {
    if (value.equals(list.getValue(i))) {
	return i;
    }
}
return -1;
   }
 

/**
 * 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");
}
 

public void reload(String history) {
	if (history == null) return;
	if (history.indexOf('&') >= 0)
		history = history.substring(0, history.indexOf('&')); 
	if (history.isEmpty()) return;
	String[] params = history.split(":");
	String id = params[0];
	PointInTimeDataReportsInterface.Report rpt = null;
	for (int i = 0; i < iReports.size(); i++) {
		PointInTimeDataReportsInterface.Report q = iReports.get(i);
		if (id.equals(q.getId())) {
			rpt = q;
			iReportSelector.getWidget().setSelectedIndex(1 + i);
			queryChanged();
			break;
		}
	}
	if (rpt == null) return;
	int idx = 1;
	for (int i = 0; i < iParameters.size(); i++) {
		PointInTimeDataReportsInterface.Parameter parameter = iParameters.get(i);
		if (rpt.parametersContain(parameter.getType())) {
			String param = params[idx++];
			if (param == null || param.isEmpty()) continue;
			if (parameter.isTextField()) {
				TextBox text = ((UniTimeWidget<TextBox>)iForm.getWidget(3 + i, 1)).getWidget();
				text.setText(param);
			} else {
				ListBox list = ((UniTimeWidget<ListBox>)iForm.getWidget(3 + i, 1)).getWidget();
				if (list.isMultipleSelect()) {
					for (int j = 0; j < list.getItemCount(); j++) {
						String value = list.getValue(j);
						boolean contains = false;
						for (String o: param.split(",")) if (o.equals(value)) { contains = true; break; }
						list.setItemSelected(j, contains);
					}
				} else {
					for (int j = 1; j < list.getItemCount(); j++) {
						if (list.getValue(j).equals(param)) {
							list.setSelectedIndex(j); break;
						}
					}
				}
			}
		}
	}
	iLastSort = Integer.parseInt(params[idx++]);
	execute();
}