+import jalview.api.AlignViewportI;
+import jalview.api.AlignmentViewPanel;
+import jalview.bin.Cache;
+import jalview.bin.Jalview;
+import jalview.io.BackupFiles;
+import jalview.io.DataSourceType;
+import jalview.io.FileFormat;
+import jalview.io.FileFormatException;
+import jalview.io.FileFormatI;
+import jalview.io.FileFormats;
+import jalview.io.FileLoader;
+import jalview.io.FormatAdapter;
+import jalview.io.IdentifyFile;
+import jalview.io.JalviewFileChooser;
+import jalview.io.JalviewFileView;
+import jalview.jbgui.GSplitFrame;
+import jalview.jbgui.GStructureViewer;
+import jalview.project.Jalview2XML;
+import jalview.structure.StructureSelectionManager;
+import jalview.urls.IdOrgSettings;
+import jalview.util.ImageMaker;
+import jalview.util.MessageManager;
+import jalview.util.Platform;
+import jalview.util.UrlConstants;
+import jalview.viewmodel.AlignmentViewport;
+import jalview.ws.params.ParamManager;
+import jalview.ws.utils.UrlDownloadClient;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.FontMetrics;
+import java.awt.Graphics;
+import java.awt.GridLayout;
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.Toolkit;
+import java.awt.Window;
+import java.awt.datatransfer.Clipboard;
+import java.awt.datatransfer.ClipboardOwner;
+import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.Transferable;
+import java.awt.dnd.DnDConstants;
+import java.awt.dnd.DropTargetDragEvent;
+import java.awt.dnd.DropTargetDropEvent;
+import java.awt.dnd.DropTargetEvent;
+import java.awt.dnd.DropTargetListener;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.InputEvent;
+import java.awt.event.KeyEvent;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Hashtable;
+import java.util.List;
+import java.util.ListIterator;
+import java.util.StringTokenizer;
+import java.util.Vector;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Semaphore;
+
+import javax.swing.AbstractAction;
+import javax.swing.Action;
+import javax.swing.ActionMap;
+import javax.swing.Box;
+import javax.swing.BoxLayout;
+import javax.swing.DefaultDesktopManager;
+import javax.swing.DesktopManager;
+import javax.swing.InputMap;
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JComboBox;
+import javax.swing.JComponent;
+import javax.swing.JDesktopPane;
+import javax.swing.JInternalFrame;
+import javax.swing.JLabel;
+import javax.swing.JMenuItem;
+import javax.swing.JPanel;
+import javax.swing.JPopupMenu;
+import javax.swing.JProgressBar;
+import javax.swing.KeyStroke;
+import javax.swing.SwingUtilities;
+import javax.swing.event.HyperlinkEvent;
+import javax.swing.event.HyperlinkEvent.EventType;
+import javax.swing.event.InternalFrameAdapter;
+import javax.swing.event.InternalFrameEvent;
+
+import org.stackoverflowusers.file.WindowsShortcut;