LibraryPanel.java
| Index Score | ||
|---|---|---|
 |
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org.xnap.gui |
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XNap 3 |
View: Reasons, Metrics, Source Code
These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
| Metric | Description | |
|---|---|---|
| EXITS | Procedure exits |  |
| LOGICAL_LINES | Number of statements | |
| OPERANDS | Number of operands | |
| UNIQUE_OPERANDS | Number of unique operands | |
| EXEC_COMMENTS | Comments in executable code | |
| JAVA0128 | JAVA0128 Public constructor in non-public class | |
| PROGRAM_LENGTH | Halstead program length | |
| OPERATORS | Number of operators | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| LOC | Lines of code | |
| ELOC | Effective lines of code | |
| LINE_COMMENT | Number of line comments | |
| LINES | Number of lines in the source file | |
| SIZE | Size of the file in bytes | |
| JAVA0237 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| FUNCTIONS | Number of function declarations | |
| BLOCKS | Number of blocks | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| CYCLOMATIC | Cyclomatic complexity | |
| JAVA0076 | JAVA0076 Use of magic number | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| DECL_COMMENTS | Comments in declarations | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| RETURNS | Number of return points from functions | |
| WHITESPACE | Number of whitespace lines | |
| PROGRAM_VOLUME | Halstead program volume | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| JAVA0030 | JAVA0030 Private field not used | |
| JAVA0171 | JAVA0171 Unused local variable | |
| JAVA0113 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0029 | JAVA0029 Private method not used | |
| JAVA0067 | JAVA0067 Array descriptor on identifier name | |
| JAVA0100 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| DOC_COMMENT | Number of javadoc comment lines | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
/*
* XNap - A P2P framework and client.
*
* See the file AUTHORS for copyright information.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.xnap.gui;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.Vector;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.DefaultCellEditor;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JScrollBar;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.KeyStroke;
import javax.swing.border.EmptyBorder;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;
import org.apache.log4j.Logger;
import org.xnap.XNap;
import org.xnap.action.AbstractTogglePrefAction;
import org.xnap.action.AbstractXNapAction;
import org.xnap.gui.action.CopyFileAction;
import org.xnap.gui.action.CutFileAction;
import org.xnap.gui.action.EnqueueFileAction;
import org.xnap.gui.action.EraseAction;
import org.xnap.gui.action.OpenFileAction;
import org.xnap.gui.action.PasteFileAction;
import org.xnap.gui.action.PlayFileAction;
import org.xnap.gui.action.StopPlayerAction;
import org.xnap.gui.component.FileCompletionModel;
import org.xnap.gui.component.HistoryComboBox;
import org.xnap.gui.component.XNapButton;
import org.xnap.gui.component.XNapMenuItem;
import org.xnap.gui.component.XNapTextField;
import org.xnap.gui.event.DoubleClickListener;
import org.xnap.gui.event.PopupListener;
import org.xnap.gui.menu.OpenFileWithMenu;
import org.xnap.gui.menu.ViewerMenu;
import org.xnap.gui.shortcut.ShortcutManager;
import org.xnap.gui.table.LibraryTableModel;
import org.xnap.gui.tree.LibraryTree;
import org.xnap.gui.util.DragFilesSupport;
import org.xnap.gui.util.FocusHandler;
import org.xnap.gui.util.GUIHelper;
import org.xnap.gui.util.IconHelper;
import org.xnap.gui.util.SwingSynchronizedTask;
import org.xnap.gui.viewer.Viewer;
import org.xnap.gui.viewer.ViewerFrontend;
import org.xnap.gui.viewer.ViewerManager;
import org.xnap.io.Library;
import org.xnap.util.FileHelper;
import org.xnap.util.Formatter;
import org.xnap.util.Preferences;
import org.xnap.util.Scheduler;
public class LibraryPanel extends JPanel
implements ActionProvider, TreeSelectionListener, ListSelectionListener,
DirectoryProvider, FileProvider, ViewerFrontend
{
//--- Constant(s) ---
public static final String HISTORY_FILENAME
= FileHelper.getHomeDir() + "repository_search_history";
//--- Data field(s) ---
private Preferences prefs = Preferences.getInstance();
private LibraryTree lTree;
private JTable jta;
private JFileChooser jfc = null;
private LibraryTableModel ltm;
private DragFilesSupport dfs;
private JSplitPane jspH;
private JSplitPane jspV;
private JPanel jpURL;
private XNapTextField jtfURL;
private JPanel jpSearch;
private HistoryComboBox jcSearch;
// preview
private JPanel jpPreview;
private JScrollPane jspPreview;
private JLabel jlStatus;
private PlayFileAction playAction = new PlayFileAction(this);
private RefreshAction refreshAction = new RefreshAction();
private StopPlayerAction stopAction = new StopPlayerAction();
private EnqueueFileAction enqueueAction = new EnqueueFileAction(this);
private OpenFileAction acOpenFile = new OpenFileAction(this);
private DeleteAction deleteAction = new DeleteAction();
private RenameAction renameAction = new RenameAction();
private CopyFileAction acCopyFile = new CopyFileAction(this);
private CutFileAction acCutFile = new CutFileAction(this);
private PasteFileAction acPasteFile = new PasteFileAction(this);
private ShowURLAction acShowURL = new ShowURLAction();
private ShowSearchAction acShowSearch = new ShowSearchAction();
private File currentDir;
private boolean delayNextViewer;
private Viewer currentViewer;
private static Logger logger = Logger.getLogger(LibraryPanel.class);
//--- Constructor(s) ---
public LibraryPanel()
{
initialize();
}
//--- Method(s) ---
private void initialize()
{
// url panel
Box bxURL = new Box(BoxLayout.X_AXIS);
jtfURL = new XNapTextField(20);
jtfURL.setCompletionModel(new FileCompletionModel());
jtfURL.setPreferences("libraryURL");
Action acEraseURL = new EraseAction(jtfURL);
JButton jbEraseURL = new JButton(acEraseURL);
jbEraseURL.setAlignmentY(0.5f);
jbEraseURL.setMargin(new Insets(1, 1, 1, 1));
bxURL.add(jbEraseURL);
bxURL.add(new JLabel(XNap.tr("Location", 1)));
//Action acQueryURL = new QueryURLAction();
//GUIHelper.bindEnterKey(jtfURL, acQueryURL);
bxURL.add(jtfURL);
jpURL = new JPanel(new BorderLayout());
jpURL.setVisible(prefs.getBoolean("showURLInLibraryPanel"));
jpURL.setBorder(new EmptyBorder(2, 2, 2, 2));
jpURL.add(bxURL, BorderLayout.CENTER);
acShowURL.setPanel(jpURL);
// search panel
Box bxSearch = new Box(BoxLayout.X_AXIS);
Action acQuery = new QueryAction();
EraseAction acErase = new EraseAction();
ShortcutManager.getInstance().add(acErase, this);
JButton jbErase = new JButton(acErase);
jbErase.setMargin(new Insets(1, 1, 1, 1));
jbErase.setAlignmentY(0.5f);
bxSearch.add(jbErase);
JLabel searchLabel = new JLabel(XNap.tr("Library Search", 1));
bxSearch.add(searchLabel);
jcSearch = new HistoryComboBox(readHistoryFile(), 20);
searchLabel.setLabelFor(jcSearch.getTextField());
jcSearch.setPreferences("libararySearch");
GUIHelper.bindEnterKeyLocally(jcSearch.getTextField(), acQuery);
bxSearch.add(jcSearch);
acErase.setTextField(jcSearch.getTextField());
XNapButton jbQuery = new XNapButton(acQuery);
bxSearch.add(jbQuery);
jpSearch = new JPanel(new BorderLayout());
jpSearch.setVisible(prefs.getBoolean("showSearchInLibraryPanel"));
//jpSearch.setBorder(GUIHelper.createDefaultBorder(XNap.tr("Library Search")));
jpSearch.setBorder(new EmptyBorder(2, 2, 2, 2));
jpSearch.add(bxSearch, BorderLayout.CENTER);
acShowSearch.setPanel(jpSearch);
// top
Box bxTop = new Box(BoxLayout.Y_AXIS);
bxTop.add(jpURL);
bxTop.add(jpSearch);
// tree
lTree = new LibraryTree(this);
lTree.addTreeSelectionListener(this);
JScrollPane jspTree = new JScrollPane();
jspTree.setViewportView(lTree);
// table context menu
JPopupMenu popup = new JPopupMenu();
popup.add(new XNapMenuItem(playAction));
popup.add(new XNapMenuItem(enqueueAction));
popup.addSeparator();
popup.add(new XNapMenuItem(acOpenFile));
popup.add(new OpenFileWithMenu(this));
popup.addSeparator();
popup.add(new ViewerMenu(this, this));
popup.addSeparator();
popup.add(new XNapMenuItem(acCopyFile));
popup.add(new XNapMenuItem(acCutFile));
popup.add(new XNapMenuItem(acPasteFile));
popup.addSeparator();
popup.add(new XNapMenuItem(renameAction));
popup.add(new XNapMenuItem(deleteAction));
// table
ltm = new LibraryTableModel();
jta = ltm.createTable(Preferences.getInstance(), "library");
dfs = new DragFilesSupport(jta, this);
jta.getSelectionModel().addListSelectionListener(this);
jta.setShowGrid(false);
jta.addKeyListener(new ArrowKeyListener());
jta.addMouseListener(new PopupListener(popup));
DoubleClickListener.install(jta, acOpenFile);
GUIHelper.bindEmacsKeysToTable(jta);
// new shortcuts stuff
ShortcutManager.getInstance().add(renameAction, jta);
ShortcutManager.getInstance().add(deleteAction, jta);
ShortcutManager.getInstance().add(refreshAction, this);
ShortcutManager.getInstance().add(enqueueAction, jta);
ShortcutManager.getInstance().add(playAction, jta);
ShortcutManager.getInstance().add(acOpenFile, jta);
// jta.getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0),
// acOpenFile);
// jta.getActionMap().put(acOpenFile, acOpenFile);
// jta.getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_Q, 0),
// enqueueAction);
// jta.getActionMap().put(enqueueAction, enqueueAction);
JScrollPane jspTable = new JScrollPane();
jspTable.setViewportView(jta);
// preview panel
jpPreview = new JPanel(new BorderLayout());
jpPreview.setBackground(Color.gray);
jspPreview = new JScrollPane(jpPreview);
ActionListener al = jspPreview.getActionForKeyStroke
(KeyStroke.getKeyStroke(KeyEvent.VK_PAGE_DOWN, 0));
jspPreview.registerKeyboardAction
(al, KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, KeyEvent.CTRL_MASK),
WHEN_IN_FOCUSED_WINDOW);
al = jspPreview.getActionForKeyStroke
(KeyStroke.getKeyStroke(KeyEvent.VK_PAGE_UP, 0));
jspPreview.registerKeyboardAction
(al, KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, KeyEvent.CTRL_MASK
| KeyEvent.SHIFT_MASK),
WHEN_IN_FOCUSED_WINDOW);
JScrollBar jsb = jspPreview.getVerticalScrollBar();
jsb.setToolTipText(GUIHelper.tt(XNap.tr("Ctrl+Space to scroll down<br>Ctrl+Shift+Space to scroll up")));
// split panels
jspV = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
jspV.add(jspTable, JSplitPane.TOP);
jspV.add(jspPreview, JSplitPane.BOTTOM);
jspV.setDividerLocation(prefs.getLibraryVerticalDividerLocation());
jspV.setOneTouchExpandable(true);
jspV.setBorder(GUIHelper.createEmptyBorder());
jlStatus = new JLabel(" ");
JPanel jpV = new JPanel(new BorderLayout());
jpV.add(jspV, "Center");
jpV.add(jlStatus, "South");
jspH = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
jspH.add(jspTree, JSplitPane.LEFT);
jspH.add(jpV, JSplitPane.RIGHT);
jspH.setDividerLocation(prefs.getLibraryHorizontalDividerLocation());
jspH.setOneTouchExpandable(true);
jspH.setBorder(GUIHelper.createEmptyBorder());
// focus listener
addComponentListener(new FocusHandler(jcSearch.getTextField()));
// content
setLayout(new BorderLayout());
add(bxTop, BorderLayout.NORTH);
add(jspH, BorderLayout.CENTER);
GUIHelper.setMnemonics(this);
}
private void initializeShortcuts()
{
ShortcutManager sm = ShortcutManager.getInstance();
}
public Action[] getActions()
{
return new Action[] { playAction, enqueueAction, stopAction, null,
refreshAction, null,
acShowURL, acShowSearch, };
}
public void savePrefs()
{
prefs.setLibraryHorizontalDividerLocation(jspH.getDividerLocation());
prefs.setLibraryVerticalDividerLocation(jspV.getDividerLocation());
writeHistoryFile();
}
private void writeHistoryFile()
{
List l = Arrays.asList(jcSearch.getHistoryItems());
try {
FileHelper.writeBinary(new File(HISTORY_FILENAME), l);
}
catch (IOException ie) {
logger.debug("Error writing history file", ie);
}
}
private Vector readHistoryFile()
{
Vector v = new Vector();
try {
FileHelper.readBinary(new File(HISTORY_FILENAME), v);
}
catch (IOException ie) {
logger.debug("Error reading history file" , ie);
}
return v;
}
private void showDirectory(File f)
{
jtfURL.setText(f.getAbsolutePath());
currentDir = f;
ltm.clear();
// check if directory is readable by xnap user
if (f.canRead()) {
ltm.add(f);
ltm.resort();
}
resetPanel();
}
private void showFiles(File[] files)
{
ltm.clear();
ltm.add(files);
ltm.resort();
resetPanel();
}
/**
* Called when a directory has been selected.
*/
public void valueChanged(TreeSelectionEvent e)
{
Object target = e.getPath().getLastPathComponent();
if (target instanceof File) {
File f = (File)target;
showDirectory(f);
}
else {
jtfURL.setText(null);
}
}
/**
* Called when the table's selection changes, we check what kind of
* file was selected and call the respective viewer plugin if available.
*/
public void valueChanged(ListSelectionEvent e)
{
/* user is about to select some files, don't show anything */
if (jta.getSelectedRowCount() > 1) {
resetPanel();
return;
}
int row = jta.getSelectedRow();
if (row != -1) {
if (delayNextViewer) {
delayNextViewer = false;
Scheduler.run(500, new DelayedViewerTask(row));
}
else {
display(ltm.get(row));
}
}
}
/**
* Implements the {@link DirectoryProvider} interface delegating the
* request to the {@link LibraryTree}.
*/
public File getDirectory()
{
return lTree.getDirectory();
}
/**
* Implements the {@link DirectoryProvider#hasChanged}.
*/
public void hasChanged(File directory)
{
if (currentDir != null) {
showDirectory(currentDir);
}
}
private File[] getFiles(boolean showMessage)
{
int rowC = jta.getSelectedRowCount();
int rows[] = jta.getSelectedRows();
if (showMessage && rowC == 0) {
StatusBar.setText(XNap.tr("Please select something first"));
return null;
}
File[] files = new File[rowC];
for (int i = 0; i < rowC; i++) {
files[i] = ltm.get(rows[i]);
}
return files;
}
/**
* Implements {@link FileProvider}.
*/
public File[] getFiles()
{
return getFiles(true);
}
private void display(File file)
{
jtfURL.setText(file.getAbsolutePath());
if (currentViewer != null) {
currentViewer.close();
}
Viewer v = ViewerManager.getInstance().getDefaultViewer(file);
if (v != null && file.canRead()) {
display(v, file);
}
else {
if (v != null) {
StatusBar.setText
(XNap.tr("You do not have permission to read file"));
}
jspPreview.setViewportView(jpPreview);
}
}
/**
* Implements the {@link ViewerFrontend} interface.
*/
public void display(Viewer viewer, File file)
{
jspPreview.setViewportView(viewer.getComponent());
currentViewer = viewer;
viewer.open(file);
}
private void resetPanel()
{
jspPreview.setViewportView(jpPreview);
updateStatus();
}
/**
* Needed for properties serialization.
*/
public int getHorizontalDividerLocation()
{
return jspH.getDividerLocation();
}
/**
* Needed for properties deserialization.
*/
public void setHorizontalDividerLocation(int newValue)
{
if (newValue == -1) {
jspH.setDividerLocation(200);
}
else {
jspH.setDividerLocation(newValue);
}
}
/**
* Needed for properties serialization.
*/
public int getVerticalDividerLocation()
{
return jspV.getDividerLocation();
}
/**
* Needed for properties deserialization.
*/
public void setVerticalDividerLocation(int newValue)
{
if (newValue == -1) {
jspV.setDividerLocation(200);
}
else {
jspV.setDividerLocation(newValue);
}
}
/**
* Updates the status line below the file table.
*/
private void updateStatus()
{
StringBuffer sb = new StringBuffer();
File[] files = getFiles(false);
if (files.length == 0) {
// nothing is selected
sb.append(ltm.getRowCount());
sb.append(" files - ");
sb.append(Formatter.formatSize(ltm.getTotalSize()));
}
else if (files.length == 1) {
sb.append("1 file - ");
sb.append(Formatter.formatNumber(files[0].length()) + " bytes");
}
else {
long totalSize = 0;
for (int i = 0; i < files.length; i++) {
totalSize += files[i].length();
}
sb.append("selected - ");
sb.append(files.length);
sb.append(" files - ");
sb.append(Formatter.formatSize(totalSize));
}
// FIX: we need some kind of padding
sb.insert(0, " ");
jlStatus.setText(sb.toString());
}
/* inner classes */
/**
* Refresh file and directory listings
*/
private class RefreshAction extends AbstractAction
{
public RefreshAction()
{
putValue(Action.NAME, XNap.tr("Refresh"));
putValue(Action.SHORT_DESCRIPTION,
XNap.tr("Refresh list of files"));
putValue(IconHelper.XNAP_ICON, "reload.png");
putValue(Action.ACTION_COMMAND_KEY, "libraryRefresh");
putValue(AbstractXNapAction.DEFAULT_KEYSTROKE,
KeyStroke.getKeyStroke(KeyEvent.VK_F5, 0));
putValue(AbstractXNapAction.SHORTCUT_CATEGORY,
XNap.tr("Library"));
}
public void actionPerformed(ActionEvent event)
{
if (currentDir != null) {
showDirectory(currentDir);
}
}
}
private class DeleteAction extends AbstractAction
{
public DeleteAction()
{
putValue(Action.NAME, XNap.tr("Delete"));
putValue(Action.SHORT_DESCRIPTION,
XNap.tr("Deletes selected file(s)."));
putValue(IconHelper.XNAP_ICON, "editdelete.png");
putValue(Action.ACTION_COMMAND_KEY, "libraryFileDelete");
putValue(AbstractXNapAction.DEFAULT_KEYSTROKE,
KeyStroke.getKeyStroke(KeyEvent.VK_DELETE, 0));
putValue(AbstractXNapAction.SHORTCUT_CATEGORY,
XNap.tr("Library"));
}
public void actionPerformed(ActionEvent event)
{
File[] files = getFiles();
if (files == null)
return;
files = Dialogs.showDeleteFilesDialog(LibraryPanel.this, files);
if (files != null) {
for (int i = 0; i < files.length; i++) {
if (!ltm.delete(files[i])) {
StatusBar.setText(XNap.tr("Could not delete {0}",
files[i].getName()));
}
}
}
}
}
private class RenameAction extends AbstractAction
{
public RenameAction()
{
putValue(Action.NAME, XNap.tr("Rename"));
putValue(Action.SHORT_DESCRIPTION,
XNap.tr("Renames the selected file."));
putValue(Action.ACTION_COMMAND_KEY, "libraryFileRename");
putValue(AbstractXNapAction.DEFAULT_KEYSTROKE,
KeyStroke.getKeyStroke(KeyEvent.VK_F2, 0));
putValue(AbstractXNapAction.SHORTCUT_CATEGORY,
XNap.tr("Library"));
}
public void actionPerformed(ActionEvent event)
{
int i = jta.getSelectedRow();
if (i != -1) {
ltm.setCellEditable(i, LibraryTableModel.NAME);
jta.editCellAt(i, LibraryTableModel.NAME);
DefaultCellEditor dce = (DefaultCellEditor)jta.getCellEditor();
JTextField jtf = (JTextField)dce.getComponent();
// jtf.setSelectionStart(0);
// jtf.setSelectionEnd(jtf.getText().length());
jtf.grabFocus();
jtf.setCaretPosition(0);
ltm.setCellEditable(-1, -1);
}
}
}
private class ShowSearchAction extends AbstractTogglePrefAction
{
private JPanel jp;
public ShowSearchAction()
{
super("showSearchInLibraryPanel");
putValue(Action.NAME, XNap.tr("Show Search Input"));
putValue(IconHelper.XNAP_ICON, "filefind.png");
putValue(Action.SHORT_DESCRIPTION,
XNap.tr("Shows or hides the search field."));
}
public void setPanel(JPanel jp)
{
this.jp = jp;
}
public void toggled(boolean visible)
{
if (jp != null) {
jp.setVisible(visible);
}
}
}
private class ShowURLAction extends AbstractTogglePrefAction
{
private JPanel jp;
public ShowURLAction()
{
super("showURLInLibraryPanel");
putValue(Action.NAME, XNap.tr("Show URL Input"));
putValue(IconHelper.XNAP_ICON, "editclear.png");
putValue(Action.SHORT_DESCRIPTION,
XNap.tr("Shows or hides the URL field."));
}
public void setPanel(JPanel jp)
{
this.jp = jp;
}
public void toggled(boolean visible)
{
if (jp != null) {
jp.setVisible(visible);
}
}
}
/**
* Performs a search.
*/
private class QueryAction extends AbstractAction
{
public QueryAction()
{
putValue(Action.NAME, XNap.tr("Query"));
putValue(IconHelper.XNAP_ICON, "filefind.png");
putValue(Action.SHORT_DESCRIPTION, XNap.tr("Performs search."));
}
public void actionPerformed(ActionEvent event)
{
String s = jcSearch.getText().trim();
if (s.length() > 0) {
File[] files = Library.getInstance().search(s);
if (files != null && files.length > 0) {
lTree.clearSelection();
showFiles(files);
StatusBar.setText(XNap.tr("Found {0} files",
new Integer(files.length)));
}
else {
StatusBar.setText(XNap.tr("{0} not found in library", s));
}
jcSearch.addDistinctItemAtTop(s);
}
else {
StatusBar.setText(XNap.tr("What are you trying to search for?"));
}
}
}
private class DelayedViewerTask extends SwingSynchronizedTask
{
private int showRow;
public DelayedViewerTask(int showRow)
{
this.showRow = showRow;
}
public void runSynchronized()
{
if (jta.getSelectedRowCount() == 1
&& jta.getSelectedRow() == showRow) {
display(ltm.get(showRow));
}
}
}
private class ArrowKeyListener extends KeyAdapter {
public void keyPressed(KeyEvent e)
{
int c = e.getKeyCode();
if (c == KeyEvent.VK_PAGE_DOWN || c == KeyEvent.VK_PAGE_UP
|| c == KeyEvent.VK_DOWN || c == KeyEvent.VK_UP) {
delayNextViewer = true;
}
}
}
}
The table below shows all metrics for LibraryPanel.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 79.00 | Number of blocks | |
| BLOCK_COMMENT | 20.00 | Number of block comment lines | |
| COMMENTS | 91.00 | Comment lines | |
| COMMENT_DENSITY | 0.20 | Comment density | |
| COMPARISONS | 34.00 | Number of comparison operators | |
| CYCLOMATIC | 77.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 20.00 | Comments in declarations | |
| DOC_COMMENT | 41.00 | Number of javadoc comment lines | |
| ELOC | 463.00 | Effective lines of code | |
| EXEC_COMMENTS | 24.00 | Comments in executable code | |
| EXITS | 119.00 | Procedure exits | |
| FUNCTIONS | 40.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 0.37 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 64.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 0.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains non-protected constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 1.00 | JAVA0029 Private method not used | |
| JAVA0030 | 1.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 1.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 0.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 0.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 1.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 0.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 7.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 0.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 0.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 0.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 0.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 0.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 1.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 2.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 4.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 2.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 2.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 1.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 11.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 1.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 0.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 7.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 2.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 0.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 1.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 0.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 1094.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 0.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 0.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 1.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 0.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 7.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 6.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 2.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| JAVA0289 | 0.00 | null | |
| LINES | 808.00 | Number of lines in the source file | |
| LINE_COMMENT | 30.00 | Number of line comments | |
| LOC | 599.00 | Lines of code | |
| LOGICAL_LINES | 352.00 | Number of statements | |
| LOOPS | 3.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 1493.00 | Number of operands | |
| OPERATORS | 2532.00 | Number of operators | |
| PARAMS | 21.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 4025.00 | Halstead program length | |
| PROGRAM_VOCAB | 488.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 43.00 | Number of return points from functions | |
| SIZE | 22043.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 440.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 48.00 | Number of unique operators | |
| WHITESPACE | 118.00 | Number of whitespace lines | |