public Result go() {
if (quickHeight != 0) {
if (rightCTB != null) {
throw new IllegalStateException("if quickHeight !=0 then rightCTB == null!");
}
}
Preconditions.checkNotNull(dest);
ColumnTextBuilder currentCtb = dest;
List<Element> elements = sequence.getElements();
int i;
if (quickHeight != 0) {
currentCtb.adjustBottom((float) quickHeight);
}
if (startWith != null) {
currentCtb.copyContentFrom(startWith);
float yBefore = currentCtb.getYLine();
int status = currentCtb.go(simulate);
if (setHeights) {
startContentHeight = yBefore - currentCtb.getYLine();
}
if (ColumnText.hasMoreText(status)) {
if (rightCTB != null) { // => quickHeight == 0
rightCTB.copyContentFrom(currentCtb);
currentCtb = rightCTB;
yBefore = currentCtb.getYLine();
status = currentCtb.go(simulate);
if (setHeights) {
startContentHeight += yBefore - currentCtb.getYLine();
}
if (ColumnText.hasMoreText(status)) {
return new Result(ColumnText.NO_MORE_COLUMN, startAtIndex, currentCtb);
}
} else {
return new Result(ColumnText.NO_MORE_COLUMN, startAtIndex, currentCtb);
}
}
}
// optimisation mode
if (quickHeight != 0) {
for (i = startAtIndex; i < elements.size(); i++) {
Element el = elements.get(i);
if (currentCtb.fits(el)) {
if (el instanceof SpaceElement) {
SpaceElement spaceElement = (SpaceElement) el;
spaceElement.add(currentCtb, simulate);
currentCtb.go(simulate);
} else {
currentCtb.addElement(el).go(simulate);
}
} else {
break;
}
}
return new Result(ColumnText.NO_MORE_TEXT, i, null);
}
for (i = startAtElement; i < elements.size(); i++) {
Element el = elements.get(i);
float yBefore = currentCtb.getYLine();
if (el instanceof SpaceElement) {
SpaceElement space = (SpaceElement) el;
if (space.fits(currentCtb, currentCtb.getBottom())) {
space.add(currentCtb, simulate);
} else {
if (currentCtb == dest) {
currentCtb = rightCTB;
} else if (currentCtb == rightCTB) {
return new Result(ColumnText.NO_MORE_COLUMN, i + 1, currentCtb.clearContent());
}
}
} else {
currentCtb.addElement(el);
if (ColumnText.hasMoreText(currentCtb.go(simulate))) {
if (currentCtb == dest) {
if (rightCTB == null) {
return new Result(ColumnText.NO_MORE_COLUMN, i + 1, currentCtb);
} else {
rightCTB.copyContentFrom(currentCtb);
currentCtb = rightCTB;
final int status = currentCtb.go(simulate);
if (ColumnText.hasMoreText(status)) {
return new Result(ColumnText.NO_MORE_COLUMN, i + 1, currentCtb);
}
}
} else {
return new Result(ColumnText.NO_MORE_COLUMN, i + 1, currentCtb);
}
}
}
if (setHeights) {
sequence.setHeight(i, yBefore - currentCtb.getYLine());
}
}
return new Result(ColumnText.NO_MORE_TEXT, elements.size(), null);
}
