@Override
  public JComponent getContent() {

    if (this.obj == null) {

      throw new IllegalStateException("No object set.");
    }

    // TODO: Make this nicer later.
    if (this.obj instanceof Chapter) {

      Chapter c = (Chapter) this.obj;

      JComponent t = UIUtils.getChapterInfoPreview(c, null, this.viewer);

      if (t == null) {

        // May be a fake chapter, return null.
        return null;
      }

      t.setSize(new Dimension(300, Short.MAX_VALUE));

      return t;

    } else {

      String firstLine = "<b><i>No description.</i></b>";

      String t = (obj.getDescription() != null ? obj.getDescription().getText() : null);

      if ((t != null) && (t.length() > 0)) {

        firstLine = new Paragraph(t, 0).getFirstSentence().getText();
      }

      JEditorPane desc = UIUtils.createHelpTextPane(firstLine, null);

      FormLayout fl = new FormLayout("380px", "p");

      PanelBuilder pb = new PanelBuilder(fl);

      CellConstraints cc = new CellConstraints();

      pb.add(desc, cc.xy(1, 1));

      desc.setAlignmentX(Component.LEFT_ALIGNMENT);

      JPanel p = pb.getPanel();
      p.setOpaque(true);
      p.setBackground(UIUtils.getComponentColor());

      return p;
    }
  }
  /*
   *  Create a BufferedImage for Swing components.
   *  The entire component will be captured to an image.
   *
   *  @param	 component Swing component to create image from
   *  @param	 fileName name of file to be created or null
   *  @return	image the image for the given region
   *  @exception IOException if an error occurs during writing
   */
  public static BufferedImage createImage(JComponent component, String fileName)
      throws IOException {
    Dimension d = component.getSize();

    if (d.width == 0) {
      d = component.getPreferredSize();
      component.setSize(d);
    }

    Rectangle region = new Rectangle(0, 0, d.width, d.height);
    return ScreenCapture.createImage(component, region, fileName);
  }
 private void addAndSet(JComponent j, int x, int y, int length, int width) {
   j.setLocation(x, y);
   j.setSize(length, width);
   this.add(j);
 }
    /**
     * Paints the border for the specified component with the specified position and size.
     *
     * @param c the component for which this border is being painted
     * @param g the paint graphics
     * @param x the x position of the painted border
     * @param y the y position of the painted border
     * @param width the width of the painted border
     * @param height the height of the painted border
     */
    public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {

      Border border = getBorder();

      if (label == null) {
        if (border != null) {
          border.paintBorder(c, g, x, y, width, height);
        }
        return;
      }

      Rectangle grooveRect =
          new Rectangle(
              x + EDGE_SPACING,
              y + EDGE_SPACING,
              width - (EDGE_SPACING * 2),
              height - (EDGE_SPACING * 2));

      Dimension labelDim = label.getPreferredSize();
      int baseline = label.getBaseline(labelDim.width, labelDim.height);
      int ascent = Math.max(0, baseline);
      int descent = labelDim.height - ascent;
      int diff;
      Insets insets;

      if (border != null) {
        insets = border.getBorderInsets(c);
      } else {
        insets = new Insets(0, 0, 0, 0);
      }

      diff = Math.max(0, ascent / 2 + TEXT_SPACING - EDGE_SPACING);
      grooveRect.y += diff;
      grooveRect.height -= diff;
      compLoc.y = grooveRect.y + insets.top / 2 - (ascent + descent) / 2 - 1;

      int justification;
      if (c.getComponentOrientation().isLeftToRight()) {
        justification = LEFT;
      } else {
        justification = RIGHT;
      }

      switch (justification) {
        case LEFT:
          compLoc.x = grooveRect.x + TEXT_INSET_H + insets.left;
          break;
        case RIGHT:
          compLoc.x =
              (grooveRect.x + grooveRect.width - (labelDim.width + TEXT_INSET_H + insets.right));
          break;
      }

      // If title is positioned in middle of border AND its fontsize
      // is greater than the border's thickness, we'll need to paint
      // the border in sections to leave space for the component's background
      // to show through the title.
      //
      if (border != null) {
        if (grooveRect.y > compLoc.y - ascent) {
          Rectangle clipRect = new Rectangle();

          // save original clip
          Rectangle saveClip = g.getClipBounds();

          // paint strip left of text
          clipRect.setBounds(saveClip);
          if (computeIntersection(clipRect, x, y, compLoc.x - 1 - x, height)) {
            g.setClip(clipRect);
            border.paintBorder(
                c, g, grooveRect.x, grooveRect.y, grooveRect.width, grooveRect.height);
          }

          // paint strip right of text
          clipRect.setBounds(saveClip);
          if (computeIntersection(
              clipRect,
              compLoc.x + labelDim.width + 1,
              y,
              x + width - (compLoc.x + labelDim.width + 1),
              height)) {
            g.setClip(clipRect);
            border.paintBorder(
                c, g, grooveRect.x, grooveRect.y, grooveRect.width, grooveRect.height);
          }

          // paint strip below text
          clipRect.setBounds(saveClip);
          if (computeIntersection(
              clipRect,
              compLoc.x - 1,
              compLoc.y + ascent + descent,
              labelDim.width + 2,
              y + height - compLoc.y - ascent - descent)) {
            g.setClip(clipRect);
            border.paintBorder(
                c, g, grooveRect.x, grooveRect.y, grooveRect.width, grooveRect.height);
          }

          // restore clip
          g.setClip(saveClip);

        } else {
          border.paintBorder(c, g, grooveRect.x, grooveRect.y, grooveRect.width, grooveRect.height);
        }

        label.setLocation(compLoc);
        label.setSize(labelDim);
      }
    }