@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);
}
@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);
}
}