+ class recentlyOpenedCellRenderer extends JLabel
+ implements ListCellRenderer<String>
+ {
+ private final static int maxChars = 46;
+
+ private final static String ellipsis = "...";
+
+ @Override
+ public Component getListCellRendererComponent(
+ JList<? extends String> list, String value, int index,
+ boolean isSelected, boolean cellHasFocus)
+ {
+ String filename = value.toString();
+ String displayFilename;
+ if (filename.length() > maxChars)
+ {
+ StringBuilder displayFileSB = new StringBuilder();
+ File file = new File(filename);
+ displayFileSB.append(file.getName());
+ if (file.getParent() != null)
+ {
+ File parent = file;
+ boolean spaceleft = true;
+ while (spaceleft && parent.getParent() != null)
+ {
+ parent = parent.getParentFile();
+ String name = parent.getName();
+ displayFileSB.insert(0, File.separator);
+ if (displayFileSB.length() + name.length() < maxChars - 1)
+ {
+ displayFileSB.insert(0, name);
+ }
+ else
+ {
+ displayFileSB.insert(0, ellipsis);
+ spaceleft = false;
+ }
+ }
+ if (spaceleft && filename.startsWith(File.separator)
+ && !(displayFileSB.charAt(0) == File.separatorChar))
+ {
+ displayFileSB.insert(0, File.separator);
+ }
+ }
+ displayFilename = displayFileSB.toString();
+ }
+ else
+ {
+ displayFilename = filename;
+ }
+ this.setText(displayFilename.toString());
+ this.setToolTipText(filename);
+ if (isSelected)
+ {
+ setBackground(list.getSelectionBackground());
+ setForeground(list.getSelectionForeground());
+ }
+ else
+ {
+ setBackground(list.getBackground());
+ setForeground(list.getForeground());
+ }
+ this.setHorizontalAlignment(SwingConstants.TRAILING);
+ this.setEnabled(list.isEnabled());
+ this.setFont(list.getFont().deriveFont(12f));
+ this.setOpaque(true);
+ return this;
+ }
+
+ }
+