Exemplo n.º 1
0
 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);
 }
Exemplo n.º 2
0
  /**
   * 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);
                  }
                }
              }
            }));
  }