/**
* @return a list of constituent zones. The list holds the logical reading-order if a
* ReadingOrderResolver was run on the original document.
*/
public List<BxZone> asZones() {
List<BxZone> ret = new ArrayList<BxZone>();
for (BxPage page : asPages()) {
ret.addAll(page.getZones());
}
return ret;
}
public BxDocument addPage(BxPage page) {
if (page != null) {
page.setId(Integer.toString(this.curPageNumber++));
page.setParent(this);
this.pages.add(page);
}
return this;
}
private BxPage parsePageNode(Element elem) {
BxPage page = new BxPage();
double minX = 0, minY = 0, maxX = 0, maxY = 0;
boolean started = false;
List<Element> e = getChildren("Zone", elem);
for (Element zo : e) {
BxZone zon = parseZoneNode(zo);
page.addZone(zon);
BxBounds zoneBounds = zon.getBounds();
if (!started) {
minX = zoneBounds.getX();
minY = zoneBounds.getY();
maxX = zoneBounds.getX() + zoneBounds.getWidth();
maxY = zoneBounds.getY() + zoneBounds.getHeight();
started = true;
}
if (zoneBounds.getX() < minX) {
minX = zoneBounds.getX();
}
if (zoneBounds.getX() + zoneBounds.getWidth() > maxX) {
maxX = zoneBounds.getX() + zoneBounds.getWidth();
}
if (zoneBounds.getY() < minY) {
minY = zoneBounds.getY();
}
if (zoneBounds.getY() + zoneBounds.getHeight() > maxY) {
maxY = zoneBounds.getY() + zoneBounds.getHeight();
}
}
Collections.sort(
page.getZones(),
new Comparator() {
@Override
public int compare(Object t, Object t1) {
BxZone z1 = (BxZone) t;
BxZone z2 = (BxZone) t1;
int ret = Double.compare(z1.getBounds().getY(), z2.getBounds().getY());
if (ret == 0) {
ret = Double.compare(z1.getBounds().getX(), z2.getBounds().getX());
}
return ret;
}
});
return page.setBounds(new BxBounds(minX, minY, maxX - minX, maxY - minY));
}
private void appendPage(Document doc, Element parent, BxPage page, Object... hints)
throws TransformationException {
Element node = doc.createElement("Page");
appendPropertyIfNotNull(doc, node, "PageID", page.getId());
appendProperty(doc, node, "PageType", "");
appendProperty(doc, node, "PageNumber", "");
appendProperty(doc, node, "PageColumns", "");
appendPropertyIfNotNull(doc, node, "PageNext", page.getNextId());
appendProperty(doc, node, "PageZones", "");
for (BxZone zone : page.getZones()) {
appendZone(doc, node, zone, hints);
}
parent.appendChild(node);
}
