Java tutorial
/** * * Copyright 2009-2014 Jayway Products AB * * 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 se.streamsource.streamflow.client.ui.workspace.cases.conversations; import ca.odell.glazedlists.swing.EventListModel; import com.jgoodies.forms.factories.Borders; import org.jdesktop.application.Action; import org.jdesktop.application.ApplicationContext; import org.jdesktop.application.Task; import org.qi4j.api.injection.scope.Service; import org.qi4j.api.injection.scope.Structure; import org.qi4j.api.injection.scope.Uses; import org.qi4j.api.structure.Module; import org.restlet.resource.ResourceException; import se.streamsource.dci.value.link.LinkValue; import se.streamsource.streamflow.api.workspace.cases.conversation.ConversationDTO; import se.streamsource.streamflow.client.MacOsUIWrapper; import se.streamsource.streamflow.client.ui.workspace.cases.CaseResources; import se.streamsource.streamflow.client.util.CommandTask; import se.streamsource.streamflow.client.util.RefreshComponents; import se.streamsource.streamflow.client.util.RefreshWhenShowing; import se.streamsource.streamflow.client.util.StreamflowButton; import se.streamsource.streamflow.client.util.dialog.DialogService; import se.streamsource.streamflow.client.util.dialog.NameDialog; import se.streamsource.streamflow.infrastructure.event.domain.TransactionDomainEvents; import se.streamsource.streamflow.infrastructure.event.domain.source.TransactionListener; import se.streamsource.streamflow.infrastructure.event.domain.source.helper.Events; import se.streamsource.streamflow.util.Strings; import javax.swing.JComponent; import javax.swing.JList; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JSplitPane; import javax.swing.KeyStroke; import javax.swing.ListSelectionModel; import javax.swing.event.ListSelectionEvent; import javax.swing.event.ListSelectionListener; import java.awt.BorderLayout; import java.awt.CardLayout; import java.awt.Dimension; import java.awt.FlowLayout; import java.io.IOException; import static se.streamsource.streamflow.client.util.i18n.*; public class ConversationsView extends JSplitPane implements TransactionListener { @Structure Module module; @Service DialogService dialogs; private ConversationsModel model; private JList list; public ConversationsView(@Service final ApplicationContext context, @Uses final ConversationsModel model) { this.model = model; setActionMap(context.getActionMap(this)); MacOsUIWrapper.convertAccelerators(getActionMap()); this.setBorder(Borders.createEmptyBorder("2dlu, 2dlu, 2dlu, 2dlu")); JPanel left = new JPanel(new BorderLayout()); left.setPreferredSize(new Dimension(200, 100)); final CardLayout cards = new CardLayout(); final JPanel right = new JPanel(cards); JPanel empty = new JPanel(); right.add(empty, "EMPTY"); setRightComponent(right); cards.show(right, "EMPTY"); list = new JList(); list.setModel(new EventListModel<ConversationDTO>(model.conversations())); list.setCellRenderer(new ConversationsListCellRenderer()); list.setFixedCellHeight(-1); list.getSelectionModel().setSelectionMode(ListSelectionModel.SINGLE_SELECTION); list.addListSelectionListener(new ListSelectionListener() { public void valueChanged(ListSelectionEvent e) { if (list.getSelectedIndex() != -1 && !e.getValueIsAdjusting()) { final ConversationView conversationView = module.objectBuilderFactory() .newObjectBuilder(ConversationView.class) .use(model.newConversationModel((LinkValue) list.getSelectedValue())).newInstance(); setRightComponent(conversationView); } else { setRightComponent(right); cards.show(right, "EMPTY"); } } }); JScrollPane scroll = new JScrollPane(list, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_NEVER); scroll.setMinimumSize(new Dimension(250, 100)); left.add(scroll, BorderLayout.CENTER); JPanel addPanel = new JPanel(); javax.swing.Action addConversationAction = getActionMap().get("addConversation"); StreamflowButton addConversation = new StreamflowButton(addConversationAction); addConversation.registerKeyboardAction(addConversationAction, (KeyStroke) addConversationAction.getValue(javax.swing.Action.ACCELERATOR_KEY), JComponent.WHEN_IN_FOCUSED_WINDOW); addPanel.add(addConversation, FlowLayout.LEFT); left.add(addPanel, BorderLayout.SOUTH); setLeftComponent(left); this.setDividerLocation(-1); model.addObserver(new RefreshComponents().enabledOn("create", addConversation)); new RefreshWhenShowing(this, model); } @Action public Task addConversation() throws ResourceException, IOException { final NameDialog dialog = module.objectBuilderFactory().newObject(NameDialog.class); dialogs.showOkCancelHelpDialog(this, dialog, text(CaseResources.new_conversation_topic)); if (!Strings.empty(dialog.name())) { return new CommandTask() { @Override public void command() throws Exception { model.createConversation(dialog.name()); } }; } else return null; } public void notifyTransactions(Iterable<TransactionDomainEvents> transactions) { model.notifyTransactions(transactions); if (Events.matches(Events.withNames("createdConversation"), transactions)) list.setSelectedIndex(model.conversations().size() - 1); } }