/**
* Draws the plot on a Java 2D graphics device (such as the screen or a
* printer). Will perform all the placement calculations for each
* sub-plots and then tell these to draw themselves.
*
* @param g2 the graphics device.
* @param area the area within which the plot (including axis labels)
* should be drawn.
* @param anchor the anchor point (<code>null</code> permitted).
* @param parentState the parent state.
* @param info collects information about the drawing (<code>null</code>
* permitted).
*/
public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor,
PlotState parentState,
PlotRenderingInfo info) {
// set up info collection...
if (info != null) {
info.setPlotArea(area);
}
// adjust the drawing area for plot insets (if any)...
RectangleInsets insets = getInsets();
insets.trim(area);
// calculate the data area...
AxisSpace space = calculateAxisSpace(g2, area);
Rectangle2D dataArea = space.shrink(area, null);
// set the width and height of non-shared axis of all sub-plots
setFixedDomainAxisSpaceForSubplots(space);
// draw the shared axis
ValueAxis axis = getRangeAxis();
RectangleEdge rangeEdge = getRangeAxisEdge();
double cursor = RectangleEdge.coordinate(dataArea, rangeEdge);
AxisState state = axis.draw(g2, cursor, area, dataArea, rangeEdge,
info);
if (parentState == null) {
parentState = new PlotState();
}
parentState.getSharedAxisStates().put(axis, state);
// draw all the charts
for (int i = 0; i < this.subplots.size(); i++) {
CategoryPlot plot = (CategoryPlot) this.subplots.get(i);
PlotRenderingInfo subplotInfo = null;
if (info != null) {
subplotInfo = new PlotRenderingInfo(info.getOwner());
info.addSubplotInfo(subplotInfo);
}
Point2D subAnchor = null;
if (anchor != null && this.subplotArea[i].contains(anchor)) {
subAnchor = anchor;
}
plot.draw(g2, this.subplotArea[i], subAnchor, parentState,
subplotInfo);
}
if (info != null) {
info.setDataArea(dataArea);
}
}
