/**
* Arranges the block with a range constraint on the width, and no constraint on the height.
*
* @param container the container.
* @param g2 the graphics device.
* @param constraint the constraint.
* @return The size following the arrangement.
*/
protected Size2D arrangeRN(
BlockContainer container, Graphics2D g2, RectangleConstraint constraint) {
// first arrange without constraints, then see if the width fits
// within the required range...if not, call arrangeFN() at max width
Size2D s1 = arrangeNN(container, g2);
if (constraint.getWidthRange().contains(s1.width)) {
return s1;
} else {
RectangleConstraint c = constraint.toFixedWidth(constraint.getWidthRange().getUpperBound());
return arrangeFN(container, g2, c);
}
}
/**
* Arranges the blocks in the container with a range constraint on the width and a fixed height.
*
* @param container the container.
* @param g2 the graphics device.
* @param constraint the constraint.
* @return The size following the arrangement.
*/
protected Size2D arrangeRF(
BlockContainer container, Graphics2D g2, RectangleConstraint constraint) {
Size2D s = arrangeNF(container, g2, constraint);
if (constraint.getWidthRange().contains(s.width)) {
return s;
} else {
RectangleConstraint c =
constraint.toFixedWidth(constraint.getWidthRange().constrain(s.getWidth()));
return arrangeFF(container, g2, c);
}
}
/**
* Arranges the blocks with the overall width and height to fit within specified ranges.
*
* @param container the container.
* @param g2 the graphics device.
* @param constraint the constraint.
* @return The size after the arrangement.
*/
protected Size2D arrangeRR(
BlockContainer container, Graphics2D g2, RectangleConstraint constraint) {
// first arrange without constraints, and see if this fits within
// the required ranges...
Size2D s1 = arrangeNN(container, g2);
if (constraint.getWidthRange().contains(s1.width)) {
return s1; // TODO: we didn't check the height yet
} else {
RectangleConstraint c = constraint.toFixedWidth(constraint.getWidthRange().getUpperBound());
return arrangeFR(container, g2, c);
}
}
/**
* Returns a constraint for the content of this block that will result in the bounds of the block
* matching the specified constraint.
*
* @param c the outer constraint (<code>null</code> not permitted).
* @return The content constraint.
*/
protected RectangleConstraint toContentConstraint(RectangleConstraint c) {
ParamChecks.nullNotPermitted(c, "c");
if (c.equals(RectangleConstraint.NONE)) {
return c;
}
double w = c.getWidth();
Range wr = c.getWidthRange();
double h = c.getHeight();
Range hr = c.getHeightRange();
double ww = trimToContentWidth(w);
double hh = trimToContentHeight(h);
Range wwr = trimToContentWidth(wr);
Range hhr = trimToContentHeight(hr);
return new RectangleConstraint(
ww, wwr, c.getWidthConstraintType(), hh, hhr, c.getHeightConstraintType());
}
/**
* Arranges the items in the specified container, subject to the given constraint.
*
* @param container the container.
* @param g2 the graphics device.
* @param constraint the constraint.
* @return The block size.
*/
@Override
public Size2D arrange(BlockContainer container, Graphics2D g2, RectangleConstraint constraint) {
RectangleConstraint contentConstraint = container.toContentConstraint(constraint);
Size2D contentSize = null;
LengthConstraintType w = contentConstraint.getWidthConstraintType();
LengthConstraintType h = contentConstraint.getHeightConstraintType();
if (w == LengthConstraintType.NONE) {
if (h == LengthConstraintType.NONE) {
contentSize = arrangeNN(container, g2);
} else if (h == LengthConstraintType.FIXED) {
throw new RuntimeException("Not implemented.");
} else if (h == LengthConstraintType.RANGE) {
throw new RuntimeException("Not implemented.");
}
} else if (w == LengthConstraintType.FIXED) {
if (h == LengthConstraintType.NONE) {
contentSize = arrangeFN(container, g2, constraint.getWidth());
} else if (h == LengthConstraintType.FIXED) {
contentSize = arrangeFF(container, g2, constraint);
} else if (h == LengthConstraintType.RANGE) {
contentSize = arrangeFR(container, g2, constraint);
}
} else if (w == LengthConstraintType.RANGE) {
if (h == LengthConstraintType.NONE) {
throw new RuntimeException("Not implemented.");
} else if (h == LengthConstraintType.FIXED) {
throw new RuntimeException("Not implemented.");
} else if (h == LengthConstraintType.RANGE) {
contentSize =
arrangeRR(container, constraint.getWidthRange(), constraint.getHeightRange(), g2);
}
}
return new Size2D(
container.calculateTotalWidth(contentSize.getWidth()),
container.calculateTotalHeight(contentSize.getHeight()));
}
