Java tutorial
/* * JBoss, Home of Professional Open Source. * Copyright 2006, Red Hat Middleware LLC, and individual contributors * as indicated by the @author tags. See the copyright.txt file 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.jboss.bpm.console.client.process; import java.util.ArrayList; import java.util.List; import com.google.gwt.event.dom.client.ChangeEvent; import com.google.gwt.event.dom.client.ChangeHandler; import com.google.gwt.user.client.Command; import com.google.gwt.user.client.DeferredCommand; import com.google.gwt.user.client.Timer; import com.google.gwt.user.client.ui.HTML; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.IsWidget; import com.google.gwt.user.client.ui.MenuBar; import com.google.gwt.user.client.ui.SimplePanel; import com.google.gwt.user.client.ui.VerticalPanel; import com.google.gwt.user.client.ui.Widget; import com.mvc4g.client.Controller; import com.mvc4g.client.Event; import com.mvc4g.client.ViewInterface; import org.jboss.bpm.console.client.ApplicationContext; import org.jboss.bpm.console.client.BpmConsoleClientFactory; import org.jboss.bpm.console.client.common.CustomizableListBox; import org.jboss.bpm.console.client.common.DataDriven; import org.jboss.bpm.console.client.common.LoadingOverlay; import org.jboss.bpm.console.client.common.Model; import org.jboss.bpm.console.client.common.ModelCommands; import org.jboss.bpm.console.client.common.ModelParts; import org.jboss.bpm.console.client.common.PagingCallback; import org.jboss.bpm.console.client.common.PagingPanel; import org.jboss.bpm.console.client.model.ProcessDefinitionRef; import org.jboss.errai.bus.client.ErraiBus; import org.jboss.errai.bus.client.api.Message; import org.jboss.errai.bus.client.api.MessageCallback; /** * @author Heiko.Braun <heiko.braun@jboss.com> */ @Deprecated public class DefinitionListView implements IsWidget, ViewInterface, DataDriven { public final static String ID = DefinitionListView.class.getName(); private VerticalPanel definitionList = null; private CustomizableListBox<ProcessDefinitionRef> listBox; private boolean isInitialized; private int FILTER_NONE = 10; private int FILTER_ACTIVE = 20; private int FILTER_SUSPENDED = 30; private int currentFilter = FILTER_NONE; private List<ProcessDefinitionRef> definitions = null; private PagingPanel pagingPanel; private final SimplePanel panel = new SimplePanel(); private final Controller controller; private final ApplicationContext applicationContext; public DefinitionListView(BpmConsoleClientFactory clientFactory) { this.controller = clientFactory.getController(); applicationContext = clientFactory.getApplicationContext(); } public Widget asWidget() { panel.clear(); listBox = createListBox(); controller.addView(ID, this); controller.addAction(UpdateInstancesAction.ID, new UpdateInstancesAction(applicationContext)); controller.addAction(StartNewInstanceAction.ID, new StartNewInstanceAction(applicationContext)); controller.addAction(StateChangeAction.ID, new StateChangeAction(applicationContext)); controller.addAction(DeleteDefinitionAction.ID, new DeleteDefinitionAction(applicationContext)); controller.addAction(DeleteInstanceAction.ID, new DeleteInstanceAction(applicationContext)); controller.addAction(UpdateDefinitionsAction.ID, new UpdateDefinitionsAction(applicationContext)); initialize(); Timer t = new Timer() { @Override public void run() { controller.handleEvent(new Event(UpdateDefinitionsAction.ID, null)); } }; t.schedule(500); return panel; } public boolean isInitialized() { return isInitialized; } public void initialize() { if (!isInitialized) { definitionList = new VerticalPanel(); // toolbar final HorizontalPanel toolBox = new HorizontalPanel(); // toolbar final MenuBar toolBar = new MenuBar(); toolBar.addItem("Refresh", new Command() { public void execute() { reload(); } }); toolBox.add(toolBar); // filter VerticalPanel filterPanel = new VerticalPanel(); filterPanel.setStyleName("mosaic-ToolBar"); final com.google.gwt.user.client.ui.ListBox dropBox = new com.google.gwt.user.client.ui.ListBox(false); dropBox.setStyleName("bpm-operation-ui"); dropBox.addItem("All"); dropBox.addItem("Active"); dropBox.addItem("Retired"); dropBox.addChangeHandler(new ChangeHandler() { public void onChange(ChangeEvent changeEvent) { switch (dropBox.getSelectedIndex()) { case 0: currentFilter = FILTER_NONE; break; case 1: currentFilter = FILTER_ACTIVE; break; case 2: currentFilter = FILTER_SUSPENDED; break; default: throw new IllegalArgumentException("No such index"); } renderFiltered(); } }); filterPanel.add(dropBox); toolBox.add(filterPanel); definitionList.add(toolBox); definitionList.add(listBox); pagingPanel = new PagingPanel(new PagingCallback() { public void rev() { renderFiltered(); } public void ffw() { renderFiltered(); } }); definitionList.add(pagingPanel); // layout //MosaicPanel layout = new MosaicPanel(new BorderLayout()); //layout.add(definitionList, new BorderLayoutData(BorderLayout.Region.CENTER)); // details /*ProcessDetailView detailsView = new ProcessDetailView(); controller.addView(ProcessDetailView.ID, detailsView); controller.addAction(UpdateProcessDetailAction.ID, new UpdateProcessDetailAction()); layout.add(detailsView, new BorderLayoutData(BorderLayout.Region.SOUTH, 10,200));*/ //panel.add(layout); panel.add(definitionList); // deployments model listener ErraiBus.get().subscribe(Model.SUBJECT, new MessageCallback() { public void callback(Message message) { switch (ModelCommands.valueOf(message.getCommandType())) { case HAS_BEEN_UPDATED: if (message.get(String.class, ModelParts.CLASS).equals(Model.DEPLOYMENT_MODEL)) { reload(); } break; } } }); isInitialized = true; } } private void reload() { DeferredCommand.addCommand(new Command() { public void execute() { listBox.clear(); // force loading controller.handleEvent(new Event(UpdateDefinitionsAction.ID, null)); } }); } private CustomizableListBox createListBox() { final CustomizableListBox<ProcessDefinitionRef> listBox = new CustomizableListBox<ProcessDefinitionRef>( new CustomizableListBox.ItemFormatter<ProcessDefinitionRef>() { public String format(ProcessDefinitionRef processDefinitionRef) { String result = ""; String name = processDefinitionRef.getName(); String s = name.indexOf("}") > 0 ? name.substring(name.lastIndexOf("}") + 1, name.length()) : name; String color = processDefinitionRef.isSuspended() ? "#CCCCCC" : "#000000"; String text = "<div style=\"color:" + color + "\">" + s + "</div>"; result += new HTML(text); result += " "; result += String.valueOf(processDefinitionRef.getVersion()); result += " "; result += String.valueOf(processDefinitionRef.isSuspended()); return result; } }); listBox.setFirstLine("<b>Process</b>, v.");//, "Version", "Suspended" listBox.setFocus(true); listBox.addChangeHandler(new ChangeHandler() { public void onChange(ChangeEvent event) { int index = listBox.getSelectedIndex(); if (index != -1) { ProcessDefinitionRef item = listBox.getItem(index); // load instances controller.handleEvent(new Event(UpdateInstancesAction.ID, item)); } } }); return listBox; } public void setController(Controller controller) { // this.controller = controller; } public void reset() { listBox.clear(); // clear instance panel controller.handleEvent(new Event(ClearInstancesAction.ID, null)); // clear details /*controller.handleEvent( new Event(UpdateProcessDetailAction.ID, null) );*/ } public void update(Object... data) { this.definitions = (List<ProcessDefinitionRef>) data[0]; pagingPanel.reset(); renderFiltered(); } public void setLoading(boolean isLoading) { LoadingOverlay.on(panel, isLoading); } private void renderFiltered() { if (this.definitions != null) { reset(); List<ProcessDefinitionRef> tmp = new ArrayList<ProcessDefinitionRef>(); for (ProcessDefinitionRef def : definitions) { if (FILTER_NONE == currentFilter) { tmp.add(def); } else { boolean showSuspended = (FILTER_SUSPENDED == currentFilter); if (def.isSuspended() == showSuspended) { tmp.add(def); } } } for (ProcessDefinitionRef def : (List<ProcessDefinitionRef>) pagingPanel.trim(tmp)) { listBox.addItem(def); } } } public ProcessDefinitionRef getSelection() { ProcessDefinitionRef selection = null; if (isInitialized() && listBox.getSelectedIndex() != -1) { selection = listBox.getItem(listBox.getSelectedIndex()); } return selection; } }