Java tutorial
/* * * ((e)) emite: A pure gwt (Google Web Toolkit) xmpp (jabber) library * * (c) 2008-2009 The emite development team (see CREDITS for details) * This file is part of emite. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ package com.calclab.emite.widgets.client.base; import com.google.gwt.user.client.ui.DockPanel; import com.google.gwt.user.client.ui.Widget; public class GWTExtensibleWidget extends DockPanel implements DockableWidget { public void dock(final DockPoint point, final EmiteWidget widget) { if (point == DockableWidget.EXT_TOP) { add((Widget) widget, DockPanel.NORTH); } else if (point == DockableWidget.EXT_RIGHT) { add((Widget) widget, DockPanel.EAST); } else { throw new RuntimeException("Dock point " + point + " not found."); } } public void unDock(final EmiteWidget widget) { remove((Widget) widget); } }