public static void createAndShowGUI() { try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) { ex.printStackTrace(); } JFrame frame = new JFrame("@title@"); frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); frame.getContentPane().add(new MainPanel()); frame.pack(); frame.setLocationRelativeTo(null); frame.setVisible(true); }
public void init() { DragSource dragSource = DragSource.getDefaultDragSource(); // 将srcLabel转换成拖放源,它能接受复制、移动两种操作 dragSource.createDefaultDragGestureRecognizer( srcLabel, DnDConstants.ACTION_COPY_OR_MOVE, new DragGestureListener() { public void dragGestureRecognized(DragGestureEvent event) { // 将JLabel里的文本信息包装成Transferable对象 String txt = srcLabel.getText(); Transferable transferable = new StringSelection(txt); // 继续拖放操作,拖放过程中使用手状光标 event.startDrag(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR), transferable); } }); jf.add(new JScrollPane(srcLabel)); jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); jf.pack(); jf.setVisible(true); }
/** * Create a new, empty, not-visible TaxRef window. Really just activates the setup frame and setup * memory monitor components, then starts things off. */ public MainFrame() { setupMemoryMonitor(); // Set up the main frame. mainFrame = new JFrame(basicTitle); mainFrame.setJMenuBar(setupMenuBar()); mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // Set up the JTable. table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); table.setSelectionBackground(COLOR_SELECTION_BACKGROUND); table.setShowGrid(true); // Add a blank table model so that the component renders properly on // startup. table.setModel(blankDataModel); // Add a list selection listener so we can tell the matchInfoPanel // that a new name was selected. table .getSelectionModel() .addListSelectionListener( new ListSelectionListener() { @Override public void valueChanged(ListSelectionEvent e) { if (currentCSV == null) return; int row = table.getSelectedRow(); int column = table.getSelectedColumn(); columnInfoPanel.columnChanged(column); Object o = table.getModel().getValueAt(row, column); if (Name.class.isAssignableFrom(o.getClass())) { matchInfoPanel.nameSelected(currentCSV.getRowIndex(), (Name) o, row, column); } else { matchInfoPanel.nameSelected(currentCSV.getRowIndex(), null, -1, -1); } } }); // Set up the left panel (table + matchInfoPanel) JPanel leftPanel = new JPanel(); matchInfoPanel = new MatchInformationPanel(this); leftPanel.setLayout(new BorderLayout()); leftPanel.add(matchInfoPanel, BorderLayout.SOUTH); leftPanel.add(new JScrollPane(table)); // Set up the right panel (columnInfoPanel) JPanel rightPanel = new JPanel(); columnInfoPanel = new ColumnInformationPanel(this); progressBar.setStringPainted(true); rightPanel.setLayout(new BorderLayout()); rightPanel.add(columnInfoPanel); rightPanel.add(progressBar, BorderLayout.SOUTH); // Set up a JSplitPane to split the panels up. JSplitPane split = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, false, leftPanel, rightPanel); split.setResizeWeight(1); mainFrame.add(split); mainFrame.pack(); // Set up a drop target so we can pick up files mainFrame.setDropTarget( new DropTarget( mainFrame, new DropTargetAdapter() { @Override public void dragEnter(DropTargetDragEvent dtde) { // Accept any drags. dtde.acceptDrag(DnDConstants.ACTION_COPY_OR_MOVE); } @Override public void dragOver(DropTargetDragEvent dtde) {} @Override public void dropActionChanged(DropTargetDragEvent dtde) {} @Override public void dragExit(DropTargetEvent dte) {} @Override public void drop(DropTargetDropEvent dtde) { // Accept a drop as long as its File List. if (dtde.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) { dtde.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE); Transferable t = dtde.getTransferable(); try { java.util.List<File> files = (java.util.List<File>) t.getTransferData(DataFlavor.javaFileListFlavor); // If we're given multiple files, pick up only the last file and load that. File f = files.get(files.size() - 1); loadFile(f, DarwinCSV.FILE_CSV_DELIMITED); } catch (UnsupportedFlavorException ex) { dtde.dropComplete(false); } catch (IOException ex) { dtde.dropComplete(false); } } } })); }