public void pageBreak() {
if (breakHandlingParent != null) {
if (sectionParent.getHeightLimit() >= 0.0f) {
// fill remaining space on page break
fillTable(sectionParent.getHeightLimit());
}
// flush
flushTable();
breakHandlingParent.columnBreak();
} else {
// more column breaks than available columns
// but we cannot break to a new page
// don't really know what to do in such situation
// anyway it is logical error made by document creator
setColIdx(colIdx + 1);
}
}
private void flushTable() {
sectionParent.addElement(getElement());
// initialize layout table
layoutTable = cloneAndClearTable(layoutTable, true);
// initialize simulated text
texts = new ArrayList<ColumnText>();
setColIdx(0);
}
public void addElement(Element element) {
if (element instanceof SectionPdfPTable) {
// section is a specific container
// it is not added to direct parent container
// but to section parent container which may be
// StylableDocument or StylableTableCell or StylableHeaderFooter table cell
sectionParent.addElement(element);
} else {
// ordinary element
texts.get(colIdx).addElement(element);
simulateText();
}
}
private void simulateText() {
float maxHeight = sectionParent.getHeightLimit();
List<ColumnText> splittedTexts = fillTable(maxHeight);
if (splittedTexts == null) {
// fits in current column on page
if (balanceText) {
float minHeight = 0f;
if (maxHeight < 0.0f) {
maxHeight = layoutTable.calculateHeights();
}
float currHeight = 0.0f;
while (Math.abs(maxHeight - minHeight) > 0.1f) {
currHeight = (minHeight + maxHeight) / 2;
if (fillTable(currHeight) == null) {
// try to lower height
maxHeight = currHeight;
} else {
// have to raise height
minHeight = currHeight;
}
}
// populate table with last height
if (currHeight != maxHeight) {
fillTable(maxHeight);
}
} else {
if (maxHeight >= 0.0f) {
// fill minimum space only
fillTable(-1.0f);
}
}
} else {
// overflow
if (breakHandlingParent != null) {
flushTable();
breakHandlingParent.columnBreak();
//
texts = splittedTexts;
colIdx = texts.size() - 1;
simulateText();
}
}
}
private void setWidthIfNecessary() {
if (layoutTable.getTotalWidth() != sectionParent.getWidthLimit()) {
layoutTable.setTotalWidth(sectionParent.getWidthLimit());
}
}
