| /* |
| * Copyright 2007 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.i18n.client; |
| |
| import com.google.gwt.core.client.GWT; |
| import com.google.gwt.user.client.ui.KeyboardListenerAdapter; |
| import com.google.gwt.user.client.ui.TextBox; |
| import com.google.gwt.user.client.ui.Widget; |
| |
| import java.util.MissingResourceException; |
| |
| /** |
| * Demonstrates {@link ConstantsWithLookup}. |
| */ |
| public class ConstantsWithLookupExampleController { |
| |
| private static final String DEFAULT_INPUT = "red"; |
| private static final ColorConstants COLORS = (ColorConstants) GWT.create(ColorConstants.class); |
| |
| public final TextBox txtInput = new TextBox(); |
| public final TextBox txtResult = new TextBox(); |
| private String prevText; |
| private final ConstantsWithLookupExampleConstants constants; |
| |
| public ConstantsWithLookupExampleController( |
| final ConstantsWithLookupExampleConstants constants) { |
| |
| this.constants = constants; |
| txtResult.setText(constants.noInputResult()); |
| txtResult.setReadOnly(true); |
| |
| txtInput.addKeyboardListener(new KeyboardListenerAdapter() { |
| public void onKeyUp(Widget sender, char keyCode, int modifiers) { |
| maybeRefreshLookup(constants); |
| } |
| }); |
| |
| txtInput.setText(DEFAULT_INPUT); |
| maybeRefreshLookup(constants); |
| } |
| |
| public ConstantsWithLookupExampleConstants getConstants() { |
| return constants; |
| } |
| |
| private void maybeRefreshLookup( |
| final ConstantsWithLookupExampleConstants constants) { |
| final String currText = txtInput.getText().trim(); |
| if (!currText.equals(prevText)) { |
| prevText = currText; |
| if ("".equals(currText)) { |
| txtResult.setText(constants.noInputResult()); |
| } else { |
| try { |
| String color = COLORS.getString(currText); |
| txtResult.setText(color); |
| } catch (MissingResourceException e) { |
| txtResult.setText(constants.noMatchingResult()); |
| } |
| } |
| } |
| } |
| } |