/* * Copyright 2009 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.museum.client.common; import com.google.gwt.event.shared.GwtEvent; import com.google.gwt.user.client.ui.Composite; import com.google.gwt.user.client.ui.HasHTML; import com.google.gwt.user.client.ui.HasText; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.UIObject; import com.google.gwt.user.client.ui.VerticalPanel; /** * Simple logging class. */ @SuppressWarnings("deprecation") public class SimpleLogger extends Composite { private VerticalPanel panel = new VerticalPanel(); public SimpleLogger() { initWidget(panel); } public String getInfo(Object sender) { if (sender instanceof HasText) { return ((HasText) sender).getText(); } else if (sender instanceof UIObject && ((UIObject) sender).getTitle() != null) { return ((UIObject) sender).getTitle(); } else if (sender instanceof HasHTML) { return ((HasHTML) sender).getHTML(); } else { return sender.toString(); } } public void report(String s) { panel.insert(new Label(s), 0); if (panel.getWidgetCount() == 10) { panel.remove(9); } } public void report(GwtEvent<?> event) { report(getInfo(event.getSource()) + " fired " + event.toDebugString()); } }