// グラフ表示 this.getTable().addListener(SWT.PaintItem, new Listener(){    public void handleEvent(Event event) {       // 3列目をグラフ表示       if (event.index == 2) {          // グラフィックコンテキスト取得          GC gc = event.gc;          // 現在の前景色、背景色を記憶          Color foreground = gc.getForeground();          Color background = gc.getBackground();          // 3列目の値を取得          TableItem item = (TableItem) event.item;          int quantity = Integer.parseInt(item.getText(2));          // 横幅指定          Table table = (Table) event.widget;          TableColumn column = table.getColumn(event.index);          int width = (column.getWidth() - 1) * quantity / 100;          // グラフ描画          gc.setForeground(getDisplay().getSystemColor(SWT.COLOR_YELLOW));          gc.setBackground(getDisplay().getSystemColor(SWT.COLOR_RED));          gc.fillGradientRectangle(event.x, event.y, width, event.height, false);          // グラフの枠を描画          gc.setForeground(getDisplay().getSystemColor(SWT.COLOR_YELLOW));          Rectangle rect = new Rectangle(event.x, event.y, width - 1, event.height - 1);          gc.drawRectangle(rect);          gc.setForeground(getDisplay().getSystemColor(SWT.COLOR_LIST_FOREGROUND));          String label = item.getText(1) + " %";          Point labelSize = gc.textExtent(label);          int offset = Math.max(0, (event.height - labelSize.y) / 2);          gc.drawText(label, event.x+2, event.y + offset, true);          // 前景色、背景色を元に戻す          gc.setForeground(foreground);          gc.setBackground(background);       }    } });