Пример #1
0
  @Override
  public Dimension preferredLayoutSize(Container container) {
    final int width = container.getWidth();
    final int height = container.getHeight();
    final Insets insets = container.getInsets();

    int left = insets.left;
    int top = insets.top;
    int right = width - insets.right - 1;
    int bottom = height - insets.bottom - 1;
    for (int i = 0; i < container.getComponentCount(); ++i) {
      final ChartComponent component = (ChartComponent) container.getComponent(i);
      if (component instanceof Plot) continue;
      final Dimension dim = component.getPreferredSize();
      switch (component.getPosition()) {
        case ChartComponent.TOP:
          top += dim.getHeight();
          break;
        case ChartComponent.LEFT:
          left += dim.getWidth();
          break;
        case ChartComponent.BOTTOM:
          bottom -= dim.getHeight();
          break;
        case ChartComponent.RIGHT:
          right -= dim.getWidth();
          break;
      }
    }
    return new Dimension(right - left + 1, bottom - top + 1);
  }
Пример #2
0
  @Override
  public void layoutContainer(Container container) {
    final int width = container.getWidth();
    final int height = container.getHeight();
    final Insets insets = container.getInsets();
    System.out.println(
        "Laying out chart width="
            + width
            + ", height="
            + height
            + ", ncomps="
            + container.getComponentCount());

    /** Find plot area boundaries */
    int left = insets.left;
    int top = insets.top;
    int right = width - insets.right - 1;
    int bottom = height - insets.bottom - 1;
    int plot_area_width;
    int plot_area_height;
    Component plot = null;

    do {
      plot_area_width = right - left + 1;
      plot_area_height = bottom - top + 1;
      left = insets.left;
      top = insets.top;
      right = width - insets.right - 1;
      bottom = height - insets.bottom - 1;
      for (int i = 0; i < container.getComponentCount(); ++i) {
        final ChartComponent c = (ChartComponent) container.getComponent(i);
        if (c instanceof Plot) {
          plot = c;
          continue;
        }
        if (!c.isVisible()) continue;
        final Dimension d = c.getPreferredSize();
        switch (c.getPosition()) {
          case ChartComponent.LEFT:
            left += d.width;
            break;
          case ChartComponent.RIGHT:
            right -= d.width;
            break;
          case ChartComponent.TOP:
            top += d.height;
            break;
          case ChartComponent.BOTTOM:
            bottom -= d.height;
            break;
        }
      }
    } while (plot_area_width > right - left + 1 || plot_area_height > bottom - top + 1);

    /*
     * Layout plot area
     */
    if (plot != null) plot.setBounds(left, top, right - left + 1, bottom - top + 1);

    /*
     * Layout other components
     */
    insets.right = width - insets.right;
    insets.bottom = height - insets.bottom;

    for (int i = container.getComponentCount() - 1; i >= 0; --i) {
      final ChartComponent component = (ChartComponent) container.getComponent(i);
      if (component instanceof Plot) continue;
      if (!component.isVisible()) continue;
      final Dimension dim = component.getPreferredSize();
      final int x, y, w, h;
      switch (component.getPosition()) {
        case ChartComponent.LEFT:
          x = insets.left;
          y = top + (bottom - top - dim.height + 1) / 2;
          w = dim.width;
          h = dim.height;
          insets.left += dim.width;
          break;
        case ChartComponent.TOP:
          x = left + (right - left - dim.width + 1) / 2;
          y = insets.top;
          w = dim.width;
          h = dim.height;
          insets.top += dim.height;
          break;
        case ChartComponent.RIGHT:
          x = insets.right - dim.width;
          y = top + (bottom - top - dim.height + 1) / 2;
          w = dim.width;
          h = dim.height;
          insets.right -= dim.width;
          break;
        case ChartComponent.BOTTOM:
          x = left + (right - left - dim.width + 1) / 2;
          y = insets.bottom - dim.height;
          w = Math.min(right - left + 1, dim.width);
          h = dim.height;
          insets.bottom -= h;
          break;
        default:
          continue;
      }
      component.setBounds(x, y, w, h);
    }
  }