pjs/grendel/ui/FolderPanel.java

1093 строки
31 KiB
Java

/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is the Grendel mail/news client.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are Copyright (C) 1997
* Netscape Communications Corporation. All Rights Reserved.
*
* Created: Will Scullin <scullin@netscape.com>, 3 Sep 1997.
* Modified: Jeff Galyan <jeffrey.galyan@sun.com>, 30 Dec 1998
*/
package grendel.ui;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Insets;
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.ClipboardOwner;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.awt.event.MouseEvent;
import java.io.IOException;
import java.util.Enumeration;
import java.util.Locale;
import java.util.ResourceBundle;
import java.util.Vector;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Flags;
import javax.swing.BorderFactory;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
//import javax.swing.JToolBar;
import javax.swing.KeyStroke;
import javax.swing.ToolTipManager;
import javax.swing.event.ChangeEvent;
//import javax.swing.plaf.BorderUIResource;
import calypso.util.Preferences;
import calypso.util.PreferencesFactory;
//import netscape.orion.toolbars.NSToolbar;
//import netscape.orion.uimanager.AbstractUICmd;
//import netscape.orion.uimanager.IUICmd;
import grendel.composition.Composition;
import grendel.storage.MessageExtra;
import grendel.storage.MessageExtraFactory;
import grendel.ui.UIAction;
import grendel.view.FolderView;
import grendel.view.FolderViewFactory;
import grendel.view.MessageSetView;
import grendel.view.MessageSetViewObserver;
import grendel.view.ViewedFolder;
import grendel.view.ViewedMessage;
import grendel.view.ViewedStore;
import grendel.widgets.CellRenderer;
import grendel.widgets.Column;
import grendel.widgets.ColumnHeader;
import grendel.widgets.ColumnModel;
import grendel.widgets.ColumnModelEvent;
import grendel.widgets.ColumnModelListener;
import grendel.widgets.DefaultCellRenderer;
import grendel.widgets.GrendelToolBar;
import grendel.widgets.SelectionEvent;
import grendel.widgets.SelectionListener;
import grendel.widgets.SelectionManager;
import grendel.widgets.StatusEvent;
import grendel.widgets.ToggleCellEditor;
import grendel.widgets.ToggleCellRenderer;
import grendel.widgets.TreePath;
import grendel.widgets.TreeTable;
import grendel.widgets.TreeTableDataModel;
import calypso.util.Assert;
/**
* Panel to display the <em>contents</em> of a folder.
*/
public class FolderPanel extends GeneralPanel {
//
// Private members
//
TreeTable fMessageTree;
Folder fFolder = null;
Thread fFolderLoadThread = null;
FolderView fView = null;
MessageModel fModel = null;
FolderPanel fPanel;
FolderPanelListener fListeners = null;
SelectionListener fSelectionListener = null;
ColumnModel fColumnModel = null;
/**
* The Sender column ID
*/
public static final String kSenderID = new String("sender");
/**
* The Subject column ID
*/
public static final String kSubjectID = new String("subject");
/**
* The Date column ID
*/
public static final String kDateID = new String("date");
/**
* The read column ID
*/
public static final String kReadID = new String("read");
/**
* The flag column ID
*/
public static final String kFlagID = new String("flag");
/**
* The Deleted (X) column ID
*/
public static final String kDeletedID = new String("deleted");
/**
* The individual message scope
*/
public static final int kMessage = 0;
/**
* The thread scope
*/
public static final int kThread = 1;
/**
* The all messages scope
*/
public static final int kAll = 2;
//
// Actions that can be enabled/disabled
//
DeleteMessageAction fDeleteMessageAction = new DeleteMessageAction();
OpenMessageAction fOpenMessageAction = new OpenMessageAction();
ReplyAction fReplyAction = new ReplyAction("msgReply", false);
ReplyAction fReplyAllAction = new ReplyAction("msgReplyAll", true);
MarkAction fMarkMsgReadAction = new MarkAction("markMsgRead", kMessage);
MarkAction fMarkThreadReadAction = new MarkAction("markThreadRead", kThread);
MarkAction fMarkAllReadAction = new MarkAction("markAllRead", kAll);
ThreadAction fThreadAction = new ThreadAction();
// The big action list
UIAction fActions[] = {ActionFactory.GetNewMailAction(),
ActionFactory.GetComposeMessageAction(),
fDeleteMessageAction,
fOpenMessageAction,
new CopyToClipboardAction(),
new PasteFromClipboardAction(),
fThreadAction,
fReplyAction,
fReplyAllAction,
fMarkMsgReadAction,
fMarkThreadReadAction,
fMarkAllReadAction
};
SortAction fSortActions[] = {new SortAction("sortAuthor",
MessageSetView.AUTHOR),
new SortAction("sortSubject",
MessageSetView.SUBJECT),
new SortAction("sortDate",
MessageSetView.DATE),
new SortAction("sortNumber",
MessageSetView.NUMBER)
};
/**
* Constructs a folder panel
*/
public FolderPanel() {
JScrollPane scrollPane = new JScrollPane();
//scrollPane.setBorder(BorderUIResource.getLoweredBevelBorderUIResource());
scrollPane.setBorder(BorderFactory.createLoweredBevelBorder());
Util.RegisterScrollingKeys(scrollPane);
fPanel = this;
fModel = new MessageModel();
fMessageTree = new TreeTable(null);
ToolTipManager.sharedInstance().registerComponent(fMessageTree);
fMessageTree.setTreeColumn(kSubjectID);
fColumnModel = fMessageTree.getColumnModel();
fColumnModel.addColumnModelListener(new ColumnListener());
Column column;
CellRenderer cellrenderer = new MessageCellRenderer();
column = new Column(kSubjectID, fLabels.getString("subjectLabel"));
column.setWidth(350);
column.setSelectable(true);
column.setCellRenderer(cellrenderer);
fMessageTree.addColumn(column);
ToggleCellRenderer renderer;
ToggleCellEditor editor;
Icon unreadIcon = new ImageIcon(getClass().getResource("images/unread.gif"));
Icon readIcon = new ImageIcon(getClass().getResource("images/read.gif"));
renderer = new ToggleCellRenderer();
renderer.getCheckBox().setIcon(unreadIcon);
renderer.getCheckBox().setSelectedIcon(readIcon);
editor = new ToggleCellEditor();
editor.getCheckBox().setIcon(unreadIcon);
editor.getCheckBox().setSelectedIcon(readIcon);
column = new Column(kReadID, unreadIcon);
column.setWidth(20);
column.setMinWidth(20);
column.setMaxWidth(20);
column.setSelectable(true);
column.setCellRenderer(renderer);
column.setCellEditor(editor);
fMessageTree.addColumn(column);
Icon unflaggedIcon = new ImageIcon(getClass().getResource("images/unflagged.gif"));
Icon flaggedIcon = new ImageIcon(getClass().getResource("images/flagged.gif"));
renderer = new ToggleCellRenderer();
renderer.getCheckBox().setIcon(unflaggedIcon);
renderer.getCheckBox().setSelectedIcon(flaggedIcon);
editor = new ToggleCellEditor();
editor.getCheckBox().setIcon(unflaggedIcon);
editor.getCheckBox().setSelectedIcon(flaggedIcon);
column = new Column(kFlagID, flaggedIcon);
column.setWidth(20);
column.setMinWidth(20);
column.setMaxWidth(20);
column.setSelectable(true);
column.setCellRenderer(renderer);
column.setCellEditor(editor);
fMessageTree.addColumn(column);
Icon deletedIcon = new ImageIcon(getClass().getResource("images/deleted.gif"));
Icon undeletedIcon = new ImageIcon(getClass().getResource("images/unflagged.gif"));
renderer = new ToggleCellRenderer();
renderer.getCheckBox().setIcon(undeletedIcon);
renderer.getCheckBox().setSelectedIcon(deletedIcon);
editor = new ToggleCellEditor();
editor.getCheckBox().setIcon(undeletedIcon);
editor.getCheckBox().setSelectedIcon(deletedIcon);
column = new Column(kDeletedID, deletedIcon);
column.setWidth(20);
column.setMinWidth(20);
column.setMaxWidth(20);
column.setSelectable(true);
column.setCellRenderer(renderer);
column.setCellEditor(editor);
fMessageTree.addColumn(column);
column = new Column(kSenderID, fLabels.getString("senderLabel"));
column.setWidth(250);
column.setSelectable(true);
column.setCellRenderer(cellrenderer);
fMessageTree.addColumn(column);
column = new Column(kDateID, fLabels.getString("dateLabel"));
column.setWidth(100);
column.setSelectable(true);
column.setCellRenderer(cellrenderer);
fMessageTree.addColumn(column);
Preferences prefs = PreferencesFactory.Get();
fColumnModel.setPrefString(prefs.getString("mail.folder_panel.column_layout", ""));
// Setup keys
registerKeyboardAction(new DeleteMessageAction(),
KeyStroke.getKeyStroke(KeyEvent.VK_DELETE, 0),
WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
registerKeyboardAction(new CopyToClipboardAction(),
KeyStroke.getKeyStroke(KeyEvent.VK_C,
KeyEvent.CTRL_MASK),
WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
registerKeyboardAction(new PasteFromClipboardAction(),
KeyStroke.getKeyStroke(KeyEvent.VK_V,
KeyEvent.CTRL_MASK),
WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
registerKeyboardAction(new OpenMessageAction(),
KeyStroke.getKeyStroke(KeyEvent.VK_O,
KeyEvent.CTRL_MASK),
WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
ColumnHeader columnHeader = fMessageTree.getColumnHeader();
scrollPane.setColumnHeaderView(columnHeader);
scrollPane.setViewportView(fMessageTree);
add(scrollPane);
fSelectionListener = new MessageSelectionListener();
fMessageTree.getSelectionManager().addSelectionListener(fSelectionListener);
}
public void dispose() {
setFolder(null);
Preferences prefs = PreferencesFactory.Get();
prefs.putString("mail.folder_panel.column_layout",
fColumnModel.getPrefString());
fMessageTree.getSelectionManager().removeSelectionListener(fSelectionListener);
}
/**
* Sets the folder displayed to the given folder. If the folder is
* null, the folder display is cleared.
*/
public synchronized void setFolder(Folder aFolder) {
if (fFolderLoadThread != null) {
fFolderLoadThread.stop();
if (fListeners != null) {
fListeners.folderLoaded(new ChangeEvent(fPanel));
fListeners.folderStatus(new StatusEvent(fPanel,
fLabels.getString("folderLoadedStatus")));
}
}
fFolderLoadThread =
new Thread(new LoadFolderThread(aFolder), "folderLoad");
int maxPriority = fFolderLoadThread.getThreadGroup().getMaxPriority();
fFolderLoadThread.setPriority(maxPriority);
fFolderLoadThread.start();
}
/**
* Returns the current folder
*/
public Folder getFolder() {
return fFolder;
}
/**
* Returns an enumeration of <code>TreePaths<code>s representing
* the current selection. The tips of the paths are ViewedMessages.
*/
public Enumeration getSelection() {
return fMessageTree.getSelectionManager().getSelection();
}
/**
* Returns the actions available for this panel
*/
public UIAction[] getActions() {
return Util.MergeActions(fActions, fSortActions);
}
/**
* Returns the toolbar associated with this panel.
*/
public GrendelToolBar getToolBar() {
return buildToolBar("folderToolBar", getActions());
}
/**
* Adds a FolderPanelListener
*/
public void addFolderPanelListener(FolderPanelListener aListener) {
fListeners = FolderMulticaster.add(fListeners, aListener);
}
/**
* Removes a FolderPanelListener
*/
public void removeFolderPanelListener(FolderPanelListener aListener) {
fListeners = FolderMulticaster.remove(fListeners, aListener);
}
//
// Component overloads
//
public boolean isOpaque() {
return true;
}
/**
* Syncs the sort menu items when the view or sort changes
*/
void updateSortMenu() {
if (fView != null) {
int order[] = fView.getSortOrder();
if (order != null && order.length > 0) {
for (int i = 0; i < fSortActions.length; i++) {
if (fSortActions[i].getType() == order[0]) {
fSortActions[i].setSelected(true);
}
}
}
fThreadAction.setSelected(fView.isThreaded() ?
true : false);
}
}
//
// MessageSelectionListener class
//
class MessageSelectionListener implements SelectionListener {
public void selectionChanged(SelectionEvent aEvent) {
if (fListeners != null) {
fListeners.folderSelectionChanged(new ChangeEvent(fPanel));
}
// Interpret selection
SelectionManager sm = (SelectionManager) aEvent.getSource();
boolean one = sm.getSelectionCount() == 1;
boolean many = sm.getSelectionCount() > 0;
fDeleteMessageAction.setEnabled(many);
fOpenMessageAction.setEnabled(many);
fReplyAction.setEnabled(one);
fReplyAllAction.setEnabled(one);
fMarkMsgReadAction.setEnabled(many);
fMarkThreadReadAction.setEnabled(many);
}
public void selectionDoubleClicked(MouseEvent aEvent) {
if (fListeners != null) {
fListeners.folderSelectionDoubleClicked(new ChangeEvent(fPanel));
}
}
protected void buildMenus(ViewedFolder aFolder, JMenu aCopy, JMenu aMove) {
int goodMask = Folder.HOLDS_MESSAGES|Folder.READ_WRITE;
if (aFolder != null) {
Folder folder = aFolder.getFolder();
ViewedFolder temp = aFolder.getFirstSubFolder();
if (temp == null) {
try {
if ((aFolder.getFolder().getType() & goodMask) == goodMask) {
JMenuItem copyItem = new JMenuItem(folder.getName());
JMenuItem moveItem = new JMenuItem(folder.getName());
copyItem.addActionListener(new CopyMessageAction(folder));
moveItem.addActionListener(new MoveMessageAction(folder));
aCopy.add(copyItem);
aMove.add(moveItem);
}
} catch (MessagingException e) {}
} else {
JMenu copyMenu = new JMenu(folder.getName());
JMenu moveMenu = new JMenu(folder.getName());
while (temp != null) {
buildMenus(temp, copyMenu, moveMenu);
temp = temp.getNextFolder();
}
if (copyMenu.getMenuComponentCount() > 0) {
aCopy.add(copyMenu);
aMove.add(moveMenu);
}
}
}
}
/**
* Attempt to bring up a context menu
*/
public void selectionContextClicked(MouseEvent aEvent) {
JPopupMenu popup = new JPopupMenu();
JMenuItem item;
ResourceBundle strings = ResourceBundle.getBundle("grendel.ui.MenuLabels",
getLocale());
item = new JMenuItem(strings.getString("msgDeletePopupLabel"));
item.addActionListener(new DeleteMessageAction());
popup.add(item);
JMenu copyMenu = new JMenu(strings.getString("msgCopyPopupLabel"));
JMenu moveMenu = new JMenu(strings.getString("msgMovePopupLabel"));
ViewedStore stores[] = StoreFactory.Instance().getStores();
for (int i = 0; i < stores.length; i++) {
buildMenus(stores[i], copyMenu, moveMenu);
}
popup.add(copyMenu);
popup.add(moveMenu);
popup.show(fPanel, aEvent.getX(), aEvent.getY());
}
public void selectionDragged(MouseEvent aEvent) {
System.out.println("Dragging started");
}
}
//
// ColumnModelListener
//
class ColumnListener implements ColumnModelListener {
public void columnAdded(ColumnModelEvent e) {}
public void columnRemoved(ColumnModelEvent e) {}
public void columnMoved(ColumnModelEvent e) {}
public void columnMarginChanged(ChangeEvent e) {}
public void columnWidthChanged(ColumnModelEvent e) {}
public void columnSelectionChanged(ChangeEvent e) {
Column column = fColumnModel.getSelectedColumn();
if (fView != null && column != null) {
Object id = column.getID();
if (id == kSenderID) {
fView.prependSortOrder(MessageSetView.AUTHOR);
} else if (id == kSubjectID) {
fView.prependSortOrder(MessageSetView.SUBJECT);
} else if (id == kDateID) {
fView.prependSortOrder(MessageSetView.DATE);
} else if (id == kReadID) {
fView.prependSortOrder(MessageSetView.READ);
} else if (id == kFlagID) {
fView.prependSortOrder(MessageSetView.FLAGGED);
} else if (id == kDeletedID) {
fView.prependSortOrder(MessageSetView.DELETED);
}
fView.reThread();
updateSortMenu();
}
}
}
/**
* Returns the current selection as a vector
*/
synchronized Vector getSelectionVector() {
Vector msgVector = new Vector();
SelectionManager selection = fMessageTree.getSelectionManager();
Enumeration messages = selection.getSelection();
while (messages.hasMoreElements()) {
msgVector.insertElementAt(messages.nextElement(), msgVector.size());
}
return msgVector;
}
synchronized Vector getSelectedMessageVector() {
Vector msgVector = new Vector();
SelectionManager selection = fMessageTree.getSelectionManager();
Enumeration messages = selection.getSelection();
while (messages.hasMoreElements()) {
TreePath path = (TreePath) messages.nextElement();
Message msg = ((ViewedMessage) path.getTip()).getMessage();
if (msg != null) {
msgVector.insertElementAt(msg, msgVector.size());
}
}
return msgVector;
}
/** Like getSelectedMessageVector() but returns a Vector of ViewedMessages
instead of a Vector of Messages. */
synchronized Vector getSelectedViewedMessageVector() {
Vector msgVector = new Vector();
SelectionManager selection = fMessageTree.getSelectionManager();
Enumeration messages = selection.getSelection();
while (messages.hasMoreElements()) {
TreePath path = (TreePath) messages.nextElement();
ViewedMessage msg = (ViewedMessage) path.getTip();
if (msg != null) {
msgVector.insertElementAt(msg, msgVector.size());
}
}
return msgVector;
}
/** Returns a Vector of all Messages (not including dummies.) */
synchronized Vector getAllMessagesVector() {
Vector v = new Vector();
ViewedMessage m = fView.getMessageRoot();
while (m != null) {
getAllMessagesVector(m, v);
m = m.getNext();
}
return v;
}
/** Writes the message and all of its children into the vector.
*/
private synchronized void getAllMessagesVector(ViewedMessage m, Vector v) {
if (!m.isDummy())
v.insertElementAt(m.getMessage(), v.size());
ViewedMessage kid = m.getChild();
while (kid != null) {
getAllMessagesVector(kid, v);
kid = kid.getNext();
}
}
//
// OpenFolderAction class
//
class LoadFolderThread implements Runnable {
Folder fFolder;
public LoadFolderThread(Folder aFolder) {
fFolder = aFolder;
}
public void run() {
synchronized (fPanel) {
if (fPanel.fFolder == fFolder) {
fFolderLoadThread = null;
return; // save ourselves some
}
fPanel.fFolder = fFolder;
}
if (fListeners != null) {
fListeners.folderStatus(new StatusEvent(fPanel,
fLabels.getString("folderLoadingStatus")));
fListeners.loadingFolder(new ChangeEvent(fPanel));
}
fMessageTree.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
fMessageTree.getSelectionManager().clearSelection();
if (fFolder != null) {
// Clear out the old folder manually
synchronized (fPanel) {
fMessageTree.setDataModel(null);
}
fView = FolderViewFactory.Make(fFolder);
synchronized (fPanel) {
fModel.setFolderView(fView);
fMessageTree.setDataModel(fModel);
}
updateSortMenu();
} else {
synchronized (fPanel) {
fMessageTree.setDataModel(null);
fModel.setFolderView(null);
}
}
fMessageTree.setCursor(Cursor.getDefaultCursor());
synchronized (fPanel) {
fFolderLoadThread = null;
}
if (fListeners != null) {
fListeners.folderLoaded(new ChangeEvent(fPanel));
fListeners.folderStatus(new StatusEvent(fPanel,
fLabels.getString("folderLoadedStatus")));
}
}
}
class OpenMessageAction extends UIAction implements Runnable {
OpenMessageAction() {
super("msgOpen");
}
public void actionPerformed(ActionEvent aEvent) {
new Thread(this, "msgOpen").start();
}
public void run() {
Vector selection = getSelectedMessageVector();
MessageFrame frame = null;
for (int i = 0; i < selection.size(); i++) {
Message msg = (Message) selection.elementAt(i);
frame = MessageFrame.FindMessageFrame(msg);
if (frame != null) {
frame.toFront();
} else {
frame = new MessageFrame(msg);
frame.setVisible(true);
frame.toFront();
}
}
if (frame != null) {
frame.requestFocus();
}
}
}
//
// DeleteMessageAction class
//
class DeleteMessageAction extends UIAction {
DeleteMessageAction() {
super("msgDelete");
setEnabled(false);
}
public void actionPerformed(ActionEvent aEvent) {
ProgressFactory.DeleteMessagesProgress(getSelectedMessageVector());
}
}
//
// CopyMessageAction class
//
class CopyMessageAction extends UIAction {
Folder fDest;
CopyMessageAction(Folder aFolder) {
super("msgCopy");
fDest = aFolder;
}
public void actionPerformed(ActionEvent aEvent) {
ProgressFactory.CopyMessagesProgress(getSelectedMessageVector(), fDest);
}
}
//
// MoveMessageAction class
//
class MoveMessageAction extends UIAction {
Folder fDest;
MoveMessageAction(Folder aFolder) {
super("msgMove");
fDest = aFolder;
}
public void actionPerformed(ActionEvent aEvent) {
ProgressFactory.MoveMessagesProgress(getSelectedMessageVector(), fDest);
}
}
//
// ThreadAction class
//
class ThreadAction extends UIAction {
boolean selected;
public ThreadAction() {
super("toggleThreading");
}
public void setSelected(boolean isSelected) {
selected = isSelected;
}
public void actionPerformed(ActionEvent aEvent) {
if (fView != null) {
boolean selected = !fView.isThreaded();
fView.setIsThreaded(selected);
setSelected(selected ? true : false);
fView.reThread();
}
}
}
//
// SortAction class
//
class SortAction extends UIAction {
int fType;
boolean selected;
public SortAction(String aAction, int aType) {
super(aAction);
fType = aType;
}
public int getType() {
return fType;
}
public void setSelected(boolean isSelected) {
selected = isSelected;
}
public void actionPerformed(ActionEvent aEvent) {
String action = aEvent.getActionCommand();
if (fView != null) {
fView.prependSortOrder(fType);
setSelected(true);
fView.reThread();
}
}
}
//
// ReplyAction class
//
class ReplyAction extends UIAction {
boolean replyall;
public ReplyAction(String aAction, boolean r) {
super(aAction);
setEnabled(false);
replyall = r;
}
public void actionPerformed(ActionEvent aEvent) {
Vector selection = getSelectedMessageVector();
if (selection.size() != 1) {
Assert.Assertion(false,
"Need to have exactly one message selected to reply");
}
Composition frame = new Composition();
frame.initializeAsReply((Message) (selection.elementAt(0)), replyall);
frame.show();
frame.requestFocus();
}
}
//
// MarkAction class
//
class MarkAction extends UIAction {
int fScope;
MarkAction(String aName, int aScope) {
super(aName);
fScope = aScope;
setEnabled(aScope == kAll);
}
public void actionPerformed(ActionEvent aEvent) {
Message msgs[] = null;
// gather the messages...
//
switch (fScope) {
case kMessage:
{
Vector selection = getSelectedMessageVector();
if (selection.size() == 0) break;
msgs = new Message[selection.size()];
Enumeration e = selection.elements();
for (int i = 0; e.hasMoreElements(); i++)
msgs[i] = (Message) e.nextElement();
}
break;
case kThread:
{
Vector selection = getSelectedViewedMessageVector();
if (selection.size() == 0) break;
Vector thread_msgs = new Vector();
for (Enumeration e = selection.elements(); e.hasMoreElements(); ) {
ViewedMessage m = (ViewedMessage) e.nextElement();
ViewedMessage p;
// Move up to the root of the thread...
while ((p = m.getParent()) != null)
m = p;
// Add the thread subtree to the vector.
getAllMessagesVector(m, thread_msgs);
}
msgs = new Message[thread_msgs.size()];
Enumeration e = thread_msgs.elements();
for (int i = 0; e.hasMoreElements(); i++)
msgs[i] = (Message) e.nextElement();
}
break;
case kAll:
{
Vector all = getAllMessagesVector();
if (all.size() == 0) break;
msgs = new Message[all.size()];
Enumeration e = all.elements();
for (int i = 0; e.hasMoreElements(); i++)
msgs[i] = (Message) e.nextElement();
}
break;
}
// ...then mark them read.
//
if (msgs != null) {
try {
fFolder.setFlags(msgs, new Flags(Flags.Flag.SEEN), true);
} catch (MessagingException exc) {
exc.printStackTrace();
}
}
}
}
//
// Cut-n-paste stuff
//
class FPClipboardOwner implements ClipboardOwner {
public void lostOwnership(Clipboard aClipboard,
Transferable aTransferable) {
}
}
class CopyToClipboardAction extends UIAction {
CopyToClipboardAction() {
super("copy-to-clipboard");
}
public void actionPerformed(ActionEvent aEvent) {
System.out.println("FolderPanel: copy-to-clipboard");
// Clipboard cb = Toolkit.getDefaultToolkit().getSystemClipboard();
Clipboard cb = fPrivateClipboard;
Transferable transferable =
new MessageListTransferable(getSelectedMessageVector());
cb.setContents(transferable, new FPClipboardOwner());
}
}
class PasteFromClipboardAction extends UIAction {
PasteFromClipboardAction() {
super("paste-from-clipboard");
}
public void actionPerformed(ActionEvent aEvent) {
System.out.println("FolderPanel: paste-from-clipboard");
// Clipboard cb = Toolkit.getDefaultToolkit().getSystemClipboard();
Clipboard cb = fPrivateClipboard;
Transferable transferable = cb.getContents(fPanel);
DataFlavor flavor = MessageListTransferable.GetDataFlavor();
try {
MessageListTransferable messageList =
(MessageListTransferable) transferable.getTransferData(flavor);
ProgressFactory.CopyMessagesProgress(messageList.getMessageList(),
fFolder);
} catch (UnsupportedFlavorException e) {
System.err.println("FolderPanel: " + e);
} catch (IOException e) {
System.err.println("FolderPanel: " + e);
}
}
}
}
//
// Multicaster class for FolderPanelListeners
//
class FolderMulticaster implements FolderPanelListener {
FolderPanelListener a, b;
public FolderMulticaster(FolderPanelListener a, FolderPanelListener b) {
this.a = a;
this.b = b;
}
public static FolderPanelListener add(FolderPanelListener a, FolderPanelListener b) {
if (a == null) {
return b;
}
if (b == null) {
return a;
}
return new FolderMulticaster(a, b);
}
public static FolderPanelListener remove(FolderPanelListener a, FolderPanelListener b) {
if (a == b || a == null) {
return null;
} else if (a instanceof FolderMulticaster) {
return ((FolderMulticaster)a).remove(b);
} else {
return a; // it's not here
}
}
public FolderPanelListener remove(FolderPanelListener c) {
if (c == a) {
return b;
}
if (c == b) {
return a;
}
FolderPanelListener a2 = remove(a, c);
FolderPanelListener b2 = remove(b, c);
if (a2 == a && b2 == b) {
return this; // it's not here
}
return add(a2, b2);
}
public void loadingFolder(ChangeEvent aEvent) {
a.loadingFolder(aEvent);
b.loadingFolder(aEvent);
}
public void folderLoaded(ChangeEvent aEvent) {
a.folderLoaded(aEvent);
b.folderLoaded(aEvent);
}
public void folderStatus(StatusEvent aEvent) {
a.folderStatus(aEvent);
b.folderStatus(aEvent);
}
public void folderSelectionChanged(ChangeEvent aEvent) {
a.folderSelectionChanged(aEvent);
b.folderSelectionChanged(aEvent);
}
public void folderSelectionDoubleClicked(ChangeEvent aEvent) {
a.folderSelectionDoubleClicked(aEvent);
b.folderSelectionDoubleClicked(aEvent);
}
}