| /* |
| * Copyright 2010 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.i18n; |
| |
| import com.google.gwt.core.client.GWT; |
| import com.google.gwt.core.client.RunAsyncCallback; |
| import com.google.gwt.i18n.client.Constants; |
| import com.google.gwt.i18n.client.HasDirection.Direction; |
| 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.TextArea; |
| import com.google.gwt.user.client.ui.VerticalPanel; |
| import com.google.gwt.user.client.ui.Widget; |
| |
| /** |
| * Example file. |
| */ |
| @ShowcaseStyle(/* css style names */{".gwt-TextArea"}) |
| public class CwBidiInput extends ContentWidget { |
| /** |
| * The constants used in this Content Widget. |
| */ |
| @ShowcaseSource |
| public static interface CwConstants extends Constants { |
| String cwBidiInputRtlAreaLabel(); |
| |
| String cwBidiInputBidiAreaLabel(); |
| |
| String cwBidiInputDescription(); |
| |
| String cwBidiInputName(); |
| } |
| |
| /** |
| * An instance of the constants. |
| */ |
| @ShowcaseData |
| private final CwConstants constants; |
| |
| /** |
| * Constructor. |
| * |
| * @param constants the constants |
| */ |
| public CwBidiInput(CwConstants constants) { |
| super( |
| constants.cwBidiInputName(), constants.cwBidiInputDescription(), true); |
| this.constants = constants; |
| } |
| |
| /** |
| * Initialize this example. |
| */ |
| @ShowcaseSource |
| @Override |
| public Widget onInitialize() { |
| // Create a panel to layout the widgets |
| VerticalPanel vpanel = new VerticalPanel(); |
| vpanel.setSpacing(10); |
| |
| // Add a bidi-disabled TextArea |
| vpanel.add(new HTML(constants.cwBidiInputRtlAreaLabel())); |
| TextArea disabled = new TextArea(); |
| disabled.setDirectionEstimator(false); |
| disabled.setDirection(Direction.RTL); |
| vpanel.add(disabled); |
| |
| // Add a bidi-enabled TextArea |
| vpanel.add(new HTML(constants.cwBidiInputBidiAreaLabel())); |
| TextArea enabled = new TextArea(); |
| // Since this application includes at least one RTL locale, this TextArea |
| // has automatic direction handling on by default. |
| assert enabled.getDirectionEstimator() != null; |
| enabled.setText("كم عدد حبات الرمل في الشاطئ?"); |
| vpanel.add(enabled); |
| |
| // Return the panel |
| return vpanel; |
| } |
| |
| @Override |
| protected void asyncOnInitialize(final AsyncCallback<Widget> callback) { |
| GWT.runAsync(CwBidiInput.class, new RunAsyncCallback() { |
| |
| public void onFailure(Throwable caught) { |
| callback.onFailure(caught); |
| } |
| |
| public void onSuccess() { |
| callback.onSuccess(onInitialize()); |
| } |
| }); |
| } |
| } |