Java tutorial
/* * OneCMDB, an open source configuration management project. * Copyright 2007, Lokomo Systems AB, and individual contributors * as indicated by the @authors tag. See the copyright.txt in the * distribution for a full listing of individual contributors. * * This 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 2.1 of * the License, or (at your option) any later version. * * This software 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 software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.onecmdb.ui.gwt.modeller.client.control; import org.onecmdb.ui.gwt.modeller.client.OneCMDBModelCreator; import org.onecmdb.ui.gwt.toolkit.client.control.OneCMDBConnector; import org.onecmdb.ui.gwt.toolkit.client.control.OneCMDBSession; import org.onecmdb.ui.gwt.toolkit.client.control.tree.InheritanceTreeControl; import org.onecmdb.ui.gwt.toolkit.client.model.onecmdb.GWT_CiBean; import org.onecmdb.ui.gwt.toolkit.client.model.onecmdb.GWT_RfcResult; import com.google.gwt.user.client.Command; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.gwt.user.client.ui.ClickListener; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.Image; import com.google.gwt.user.client.ui.MenuBar; import com.google.gwt.user.client.ui.PopupPanel; import com.google.gwt.user.client.ui.VerticalPanel; import com.google.gwt.user.client.ui.Widget; import com.google.gwt.user.client.ui.HasVerticalAlignment.VerticalAlignmentConstant; public class ModelInheritanceTreeControl extends InheritanceTreeControl { public ModelInheritanceTreeControl() { super(); // Always show all. setMaxResult(null); } public Widget getWidget(final Object data) { HorizontalPanel hpanel = (HorizontalPanel) super.getWidget(data); if (data instanceof GWT_CiBean) { final GWT_CiBean bean = (GWT_CiBean) data; final Image popup = new Image("images/eclipse/tree_menu2.gif"); hpanel.add(popup); hpanel.setCellVerticalAlignment(popup, VerticalPanel.ALIGN_MIDDLE); popup.addClickListener(new ClickListener() { public void onClick(Widget sender) { System.out.println("Menu popup..."); final PopupPanel p = new PopupPanel(true); //p.setStyleName("popup-menu"); Command newInstance = new Command() { public void execute() { p.hide(); OneCMDBModelCreator.get().showScreen(OneCMDBModelCreator.NEW_INSTANCE_SCREEN, bean.getAlias(), new Long(0)); } }; Command newTemplate = new Command() { public void execute() { p.hide(); OneCMDBModelCreator.get().showScreen(OneCMDBModelCreator.NEW_TEMPLATE_SCREEN, bean.getAlias(), new Long(0)); } }; Command delete = new Command() { public void execute() { p.hide(); delete(bean); } }; // Make some sub-menus that we will cascade from the top menu. MenuBar fooMenu = new MenuBar(true); if (bean.isTemplate()) { fooMenu.addItem("New Instance", newInstance); fooMenu.addItem("New Template", newTemplate); } fooMenu.addItem("Delete", delete); p.setPopupPosition(popup.getAbsoluteLeft(), popup.getAbsoluteTop()); p.setWidget(fooMenu); p.show(); } }); } return (hpanel); } protected void delete(final GWT_CiBean bean) { if (Window.confirm("Delete CI " + bean.getDisplayName() + "?")) { // Call update of attribute. OneCMDBConnector.getInstance().update(OneCMDBSession.getAuthToken(), null, new GWT_CiBean[] { bean }, new AsyncCallback() { public void onFailure(Throwable caught) { Window.alert("ERROR: " + caught); } public void onSuccess(Object result) { if (result instanceof GWT_RfcResult) { GWT_RfcResult rfcResult = (GWT_RfcResult) result; if (!rfcResult.isRejected()) { Window.alert(bean.getDisplayName() + " deleted!"); // Fire reload. return; } Window.alert("ERROR: " + rfcResult.getRejectCause()); return; } Window.alert("ERROR: Unknown result object!"); } }); } } public boolean showSearch() { return (false); } }