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.note; import com.jgoodies.forms.builder.DefaultFormBuilder; import com.jgoodies.forms.layout.CellConstraints; import com.jgoodies.forms.layout.FormLayout; import org.jdesktop.application.Action; import org.jdesktop.application.ApplicationContext; import org.jdesktop.application.Task; import org.jdesktop.swingx.JXPanel; 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.object.ObjectBuilderFactory; import org.qi4j.api.structure.Module; import se.streamsource.streamflow.api.workspace.cases.general.NoteDTO; import se.streamsource.streamflow.client.ui.DateFormats; import se.streamsource.streamflow.client.ui.workspace.WorkspaceResources; import se.streamsource.streamflow.client.util.ActionBinder; 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.Refreshable; import se.streamsource.streamflow.client.util.StreamflowToggleButton; import se.streamsource.streamflow.client.util.ValueBinder; import se.streamsource.streamflow.client.util.i18n; import se.streamsource.streamflow.infrastructure.event.domain.TransactionDomainEvents; import se.streamsource.streamflow.infrastructure.event.domain.source.TransactionListener; import se.streamsource.streamflow.util.Translator; import javax.swing.ActionMap; import javax.swing.BorderFactory; import javax.swing.Box; import javax.swing.BoxLayout; import javax.swing.DefaultListCellRenderer; import javax.swing.JComponent; import javax.swing.JDialog; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JList; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTextPane; import javax.swing.KeyStroke; import javax.swing.SwingUtilities; import javax.swing.event.ListSelectionEvent; import javax.swing.event.ListSelectionListener; import java.awt.BorderLayout; import java.awt.Component; import java.awt.Dimension; import java.awt.KeyboardFocusManager; import java.awt.Point; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.ComponentAdapter; import java.awt.event.ComponentEvent; import java.awt.event.FocusAdapter; import java.awt.event.FocusEvent; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import java.awt.event.KeyEvent; import java.util.Locale; import static se.streamsource.streamflow.infrastructure.event.domain.source.helper.Events.*; /** * A view representing all general notes present on a case */ public class CaseNoteView extends JPanel implements TransactionListener, Refreshable { private ValueBinder valueBinder; private ActionBinder actionBinder; private CaseNoteModel model; private JTextPane note; private JDialog popup; StreamflowToggleButton allNotesBtn; public CaseNoteView(@Service ApplicationContext appContext, @Uses CaseNoteModel model, @Structure Module module) { this.model = model; setActionMap(appContext.getActionMap(this)); ActionMap am = getActionMap(); ObjectBuilderFactory obf = module.objectBuilderFactory(); FormLayout formLayout = new FormLayout("70dlu, 3dlu, pref, 3dlu, right:70dlu:grow", "pref,120:grow"); this.setLayout(formLayout); DefaultFormBuilder formBuilder = new DefaultFormBuilder(formLayout, this); valueBinder = obf.newObject(ValueBinder.class); actionBinder = obf.newObjectBuilder(ActionBinder.class).use(am).newInstance(); actionBinder.setResourceMap(appContext.getResourceMap(this.getClass())); formBuilder.append(i18n.text(WorkspaceResources.note_label)); allNotesBtn = new StreamflowToggleButton(am.get("allNotes")); allNotesBtn.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent itemEvent) { int state = itemEvent.getStateChange(); if (state == ItemEvent.SELECTED) { showPopup(allNotesBtn); } else if (state == ItemEvent.DESELECTED) { killPopup(); } } }); formBuilder.nextColumn(2); formBuilder.append(allNotesBtn); JScrollPane textScroll = null; formBuilder.add( textScroll = new JScrollPane( valueBinder.bind("note", actionBinder.bind("addNote", note = new JTextPane()))), new CellConstraints(1, 2, 5, 1, CellConstraints.FILL, CellConstraints.FILL)); textScroll.setPreferredSize(new Dimension(210, 120)); textScroll.getViewport().getView().setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, null); textScroll.getViewport().getView().setFocusTraversalKeys(KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, null); RefreshComponents refreshComponents = new RefreshComponents(); model.addObserver(refreshComponents); refreshComponents.enabledOn("addnote", note); new RefreshWhenShowing(this, this); } @Action(block = Task.BlockingScope.COMPONENT) public Task addNote(final ActionEvent event) { return new CommandTask() { @Override public void command() throws Exception { model.addNote(((JTextPane) event.getSource()).getText()); } }; } @Action(block = Task.BlockingScope.COMPONENT) public void allNotes(final ActionEvent event) { } public void refresh() { model.refresh(); if (Translator.HTML.equalsIgnoreCase(model.getNote().contentType().get())) { note.setContentType(Translator.HTML); note.getDocument().putProperty("IgnoreCharsetDirective", Boolean.TRUE); note.setEditable(true); } else { note.setContentType(Translator.PLAIN); note.setEditable(true); } valueBinder.update(model.getNote()); } public void notifyTransactions(Iterable<TransactionDomainEvents> transactions) { if (matches(withNames("addedNote", "changedStatus"), transactions)) { refresh(); } } private void showPopup(JComponent component) { JXPanel panel = new JXPanel(); panel.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2)); JScrollPane scroll = new JScrollPane(); panel.add(scroll); JList notes = new JList(); scroll.setViewportView(notes); notes.addListSelectionListener(new ListSelectionListener() { public void valueChanged(ListSelectionEvent e) { if (!e.getValueIsAdjusting()) { NoteDTO selectedNote = (NoteDTO) ((JList) e.getSource()).getSelectedValue(); if (!selectedNote.createdOn().get().equals(model.getNote().createdOn().get())) { note.setEnabled(false); } else { note.setEnabled(model.checkNoteEnabled()); } note.setText(selectedNote.note().get()); model.setSelectedNoteIndex(e.getLastIndex()); } } }); notes.addFocusListener(new FocusAdapter() { @Override public void focusLost(FocusEvent e) { if (!(e.getOppositeComponent() instanceof StreamflowToggleButton)) allNotesBtn.doClick(); else if ((e.getOppositeComponent() instanceof StreamflowToggleButton)) killPopup(); } }); notes.setModel(model.getNotes()); notes.setSelectedIndex(model.getSelectedNoteIndex()); notes.setCellRenderer(new DefaultListCellRenderer() { public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) { NoteDTO note = (NoteDTO) value; JPanel itemPanel = new JPanel(); itemPanel.setLayout(new BoxLayout(itemPanel, BoxLayout.X_AXIS)); JLabel date = new JLabel( DateFormats.getProgressiveDateTimeValue(note.createdOn().get(), Locale.getDefault()) + " ", JLabel.LEFT); JLabel name = new JLabel(note.creator().get(), JLabel.RIGHT); itemPanel.add(date, Box.LEFT_ALIGNMENT); itemPanel.add(Box.createHorizontalGlue()); itemPanel.add(name, Box.RIGHT_ALIGNMENT); itemPanel.setBorder(BorderFactory.createEmptyBorder(1, 3, 1, 3)); if (isSelected) { itemPanel.setBackground(list.getSelectionBackground()); date.setForeground(list.getSelectionForeground()); name.setForeground(list.getSelectionForeground()); } else { itemPanel.setBackground(list.getBackground()); date.setForeground(list.getForeground()); name.setForeground(list.getForeground()); } return itemPanel; } }); final JFrame frame = (JFrame) SwingUtilities.getAncestorOfClass(JFrame.class, CaseNoteView.this); popup = new JDialog(frame); popup.getRootPane().registerKeyboardAction(new ActionListener() { public void actionPerformed(ActionEvent e) { killPopup(); } }, KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), JComponent.WHEN_IN_FOCUSED_WINDOW); popup.setUndecorated(true); popup.setModal(false); popup.setLayout(new BorderLayout()); popup.add(panel, BorderLayout.CENTER); Point location = component.getLocationOnScreen(); int diff = (int) panel.getPreferredSize().getWidth() - component.getWidth(); popup.setBounds((int) location.getX() - diff, (int) location.getY() + component.getHeight(), (int) panel.getPreferredSize().getWidth(), (int) panel.getPreferredSize().getHeight()); popup.pack(); popup.setVisible(true); frame.addComponentListener(new ComponentAdapter() { @Override public void componentMoved(ComponentEvent e) { if (popup != null) { killPopup(); frame.removeComponentListener(this); } } }); } private void killPopup() { if (popup != null) { popup.setVisible(false); popup.dispose(); popup = null; } } }