static void fillToc(const QDomNode &parent, QTreeWidget *tree, QTreeWidgetItem *parentItem)
{
QTreeWidgetItem *newitem = 0;
for (QDomNode node = parent.firstChild(); !node.isNull(); node = node.nextSibling()) {
QDomElement e = node.toElement();
if (!parentItem)
newitem = new QTreeWidgetItem(tree, newitem);
else
newitem = new QTreeWidgetItem(parentItem, newitem);
newitem->setText(0, e.tagName());
bool isOpen = false;
if (e.hasAttribute("Open"))
isOpen = QVariant(e.attribute("Open")).toBool();
if (isOpen)
tree->expandItem(newitem);
if (e.hasAttribute("DestinationName"))
newitem->setText(1, e.attribute("DestinationName"));
if (e.hasChildNodes())
fillToc(node, tree, newitem);
}
}
static void fillToc(Poppler::Document *doc, const QDomNode &parent, QTreeWidget *tree, QTreeWidgetItem *parentItem)
{
QTreeWidgetItem *newitem = 0;
for (QDomNode node = parent.firstChild(); !node.isNull(); node = node.nextSibling()) {
QDomElement e = node.toElement();
// for some unknown reason e.attribute("Destination") does not exist while Okular successfully uses it; so we cannot use Poppler::LinkDestination(e.attribute(QString::fromLatin1("Destination"))).pageNumber() and must use the following
// const int pageNumber = doc->linkDestination(e.attribute(QString::fromLatin1("DestinationName")))->pageNumber();
Poppler::LinkDestination *dest = doc->linkDestination(e.attribute(QString::fromLatin1("DestinationName")));
const double pageNumber = dest->pageNumber() + dest->top();
delete dest;
if (!parentItem) {
newitem = new QTreeWidgetItem(tree, newitem);
} else {
newitem = new QTreeWidgetItem(parentItem, newitem);
}
newitem->setText(0, e.tagName());
newitem->setData(0, Qt::UserRole, pageNumber);
bool isOpen = false;
if (e.hasAttribute(QString::fromLatin1("Open"))) {
isOpen = QVariant(e.attribute(QString::fromLatin1("Open"))).toBool();
}
if (isOpen) {
tree->expandItem(newitem);
}
if (e.hasChildNodes()) {
fillToc(doc, node, tree, newitem);
}
}
}
void TocDock::fillInfo()
{
const QDomDocument *toc = document()->toc();
if (toc) {
fillToc(*toc, m_tree, 0);
} else {
QTreeWidgetItem *item = new QTreeWidgetItem();
item->setText(0, tr("No TOC"));
item->setFlags(item->flags() & ~Qt::ItemIsEnabled);
m_tree->addTopLevelItem(item);
}
}
void PDFOutlineDock::fillInfo()
{
tree->clear();
const QDomDocument *toc = document->popplerDoc()->toc();
if (toc) {
fillToc(*toc, tree, 0);
connect(tree, SIGNAL(itemSelectionChanged()), this, SLOT(followTocSelection()));
delete toc;
} else {
QTreeWidgetItem *item = new QTreeWidgetItem();
item->setText(0, tr("No TOC"));
item->setFlags(item->flags() & ~Qt::ItemIsEnabled);
tree->addTopLevelItem(item);
}
}
void TocDock::fillInfo()
{
if (!m_tree) // use delayed initialization for faster startup if not all docks are visible
loadWidget();
const QDomDocument *toc = document()->toc();
if (toc) {
fillToc(document(), *toc, m_tree, 0);
} else {
QTreeWidgetItem *item = new QTreeWidgetItem();
item->setText(0, tr("No table of contents found."));
item->setFlags(item->flags() & ~Qt::ItemIsEnabled);
m_tree->addTopLevelItem(item);
}
delete toc;
}
