Java tutorial
/* * 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.libideas.logging.client; import com.google.gwt.libideas.logging.shared.Level; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.ClickListener; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.ScrollPanel; import com.google.gwt.user.client.ui.VerticalPanel; import com.google.gwt.user.client.ui.Widget; /** * A very simple log handler meant to display simple text messages. * * @deprecated use the com.google.gwt.gen2.logging classes instead */ @Deprecated public class SimpleLogHandler extends PopupWidgetLogHandler<VerticalPanel> { private VerticalPanel contents; /** * Constructor. * * @param autoHide automatically close the popup */ public SimpleLogHandler(boolean autoHide) { super(autoHide, new VerticalPanel()); ScrollPanel scroller = new ScrollPanel(); contents = new VerticalPanel(); scroller.add(contents); VerticalPanel p = this.getWidget(); p.add(new Button("clear log", new ClickListener() { public void onClick(Widget sender) { contents.clear(); } })); p.add(scroller); getWidget().setStyleName("gwt-SimpleLogHandler"); } @Override public void publish(String message, Level level, String category, Throwable e) { String output = category == null ? message : category + ": " + message; Label l = new Label(output); l.setStyleName("." + level.toString().toLowerCase()); l.setTitle("level: " + level); contents.add(l); if (e != null) { Label eLabel = new Label(" " + e.getMessage()); contents.add(eLabel); } showLog(); } }