| /* |
| * Copyright 2008 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.sample.showcase.client.content.widgets; |
| |
| import com.google.gwt.core.client.GWT; |
| import com.google.gwt.core.client.RunAsyncCallback; |
| import com.google.gwt.event.logical.shared.ValueChangeEvent; |
| import com.google.gwt.event.logical.shared.ValueChangeHandler; |
| import com.google.gwt.i18n.client.Constants; |
| import com.google.gwt.i18n.client.DateTimeFormat; |
| import com.google.gwt.sample.showcase.client.ContentWidget; |
| import com.google.gwt.sample.showcase.client.ShowcaseAnnotations.ShowcaseData; |
| import com.google.gwt.sample.showcase.client.ShowcaseAnnotations.ShowcaseSource; |
| import com.google.gwt.sample.showcase.client.ShowcaseAnnotations.ShowcaseStyle; |
| import com.google.gwt.user.client.rpc.AsyncCallback; |
| import com.google.gwt.user.client.ui.HTML; |
| import com.google.gwt.user.client.ui.Label; |
| import com.google.gwt.user.client.ui.VerticalPanel; |
| import com.google.gwt.user.client.ui.Widget; |
| import com.google.gwt.user.datepicker.client.DateBox; |
| import com.google.gwt.user.datepicker.client.DatePicker; |
| |
| import java.util.Date; |
| |
| /** |
| * Example file. |
| */ |
| @ShowcaseStyle({ |
| ".gwt-DatePicker", ".datePicker", "td.datePickerMonth", ".gwt-DateBox", |
| ".dateBox"}) |
| public class CwDatePicker extends ContentWidget { |
| |
| /** |
| * The constants used in this Content Widget. |
| */ |
| @ShowcaseSource |
| public static interface CwConstants extends Constants { |
| String cwDatePickerBoxLabel(); |
| |
| String cwDatePickerDescription(); |
| |
| String cwDatePickerLabel(); |
| |
| String cwDatePickerName(); |
| } |
| |
| /** |
| * An instance of the constants. |
| */ |
| @ShowcaseData |
| private final CwConstants constants; |
| |
| /** |
| * Constructor. |
| * |
| * @param constants the constants |
| */ |
| public CwDatePicker(CwConstants constants) { |
| super(constants.cwDatePickerName(), constants.cwDatePickerDescription(), |
| true); |
| this.constants = constants; |
| } |
| |
| /** |
| * Initialize this example. |
| */ |
| @SuppressWarnings("deprecation") |
| @ShowcaseSource |
| @Override |
| public Widget onInitialize() { |
| // Create a basic date picker |
| DatePicker datePicker = new DatePicker(); |
| final Label text = new Label(); |
| |
| // Set the value in the text box when the user selects a date |
| datePicker.addValueChangeHandler(new ValueChangeHandler<Date>() { |
| public void onValueChange(ValueChangeEvent<Date> event) { |
| Date date = event.getValue(); |
| String dateString = DateTimeFormat.getMediumDateFormat().format(date); |
| text.setText(dateString); |
| } |
| }); |
| |
| // Set the default value |
| datePicker.setValue(new Date(), true); |
| |
| // Create a DateBox |
| DateTimeFormat dateFormat = DateTimeFormat.getLongDateFormat(); |
| DateBox dateBox = new DateBox(); |
| dateBox.setFormat(new DateBox.DefaultFormat(dateFormat)); |
| |
| // Combine the widgets into a panel and return them |
| VerticalPanel vPanel = new VerticalPanel(); |
| vPanel.add(new HTML(constants.cwDatePickerLabel())); |
| vPanel.add(text); |
| vPanel.add(datePicker); |
| vPanel.add(new HTML(constants.cwDatePickerBoxLabel())); |
| vPanel.add(dateBox); |
| return vPanel; |
| } |
| |
| @Override |
| protected void asyncOnInitialize(final AsyncCallback<Widget> callback) { |
| GWT.runAsync(CwDatePicker.class, new RunAsyncCallback() { |
| |
| public void onFailure(Throwable caught) { |
| callback.onFailure(caught); |
| } |
| |
| public void onSuccess() { |
| callback.onSuccess(onInitialize()); |
| } |
| }); |
| } |
| } |