private static void drawSelection(JTable table, int column, Graphics g, final int width) {
   int y = 0;
   final int[] rows = table.getSelectedRows();
   final int height = table.getRowHeight();
   for (int row : rows) {
     final TableCellRenderer renderer = table.getCellRenderer(row, column);
     final Component component =
         renderer.getTableCellRendererComponent(
             table, table.getValueAt(row, column), false, false, row, column);
     g.translate(0, y);
     component.setBounds(0, 0, width, height);
     boolean wasOpaque = false;
     if (component instanceof JComponent) {
       final JComponent j = (JComponent) component;
       if (j.isOpaque()) wasOpaque = true;
       j.setOpaque(false);
     }
     component.paint(g);
     if (wasOpaque) {
       ((JComponent) component).setOpaque(true);
     }
     y += height;
     g.translate(0, -y);
   }
 }
 private static void drawSelection(JTree tree, Graphics g, final int width) {
   int y = 0;
   final int[] rows = tree.getSelectionRows();
   final int height = tree.getRowHeight();
   for (int row : rows) {
     final TreeCellRenderer renderer = tree.getCellRenderer();
     final Object value = tree.getPathForRow(row).getLastPathComponent();
     if (value == null) continue;
     final Component component =
         renderer.getTreeCellRendererComponent(tree, value, false, false, false, row, false);
     if (component.getFont() == null) {
       component.setFont(tree.getFont());
     }
     g.translate(0, y);
     component.setBounds(0, 0, width, height);
     boolean wasOpaque = false;
     if (component instanceof JComponent) {
       final JComponent j = (JComponent) component;
       if (j.isOpaque()) wasOpaque = true;
       j.setOpaque(false);
     }
     component.paint(g);
     if (wasOpaque) {
       ((JComponent) component).setOpaque(true);
     }
     y += height;
     g.translate(0, -y);
   }
 }
Ejemplo n.º 3
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  public int print(Graphics g, PageFormat pf, int pageIndex) throws PrinterException {
    // Component printMe = getPrintComponent();

    Graphics2D g2 = (Graphics2D) g;
    g2.setColor(Color.black); // set default foreground color to black

    // for faster printing, turn off double buffering
    // RepaintManager.currentManager(this).setDoubleBufferingEnabled(false);

    Dimension d = printComponent.getSize(); // get size of document
    double panelWidth = d.width; // width in pixels
    double panelHeight = d.height; // height in pixels
    double pageHeight = pf.getImageableHeight(); // height of printer page
    double pageWidth = pf.getImageableWidth(); // width of printer page
    double scale = pageWidth / panelWidth;
    int totalNumPages = (int) Math.ceil(scale * panelHeight / pageHeight);

    // make sure we don't print empty pages
    if (pageIndex >= totalNumPages) {
      return Printable.NO_SUCH_PAGE;
    }

    // shift Graphic to line up with beginning of print-imageable region
    g2.translate(pf.getImageableX(), pf.getImageableY());

    // shift Graphic to line up with beginning of next page to print
    g2.translate(0f, -pageIndex * pageHeight);

    // scale the page so the width fits...
    g2.scale(scale, scale);

    // PRINT IT!
    printComponent.paint(g2);

    return Printable.PAGE_EXISTS;
  }