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#include "fb2head.h"
#include <QtDebug>
#include <QWebFrame>
#include <QWebPage>
#include <QWebView>
#include <QTreeView>
Fb2HeadItem::HintHash::HintHash()
{
insert( "title-info" , tr( "Book" ));
insert( "document-info" , tr( "File" ));
insert( "publish-info" , tr( "Publish" ));
insert( "custom-info" , tr( "Add-ons" ));
insert( "genre" , tr( "Genre" ));
insert( "author" , tr( "Author" ));
insert( "book-title" , tr( "Title" ));
insert( "annotation" , tr( "Annotation" ));
insert( "coverpage" , tr( "Cover" ));
insert( "date" , tr( "Date" ));
insert( "lang" , tr( "Language" ));
insert( "translator" , tr( "Translator" ));
insert( "sequence" , tr( "Sequence" ));
insert( "first-name" , tr( "First name" ));
insert( "middle-name" , tr( "Middle name" ));
insert( "last-name" , tr( "Last name" ));
insert( "history" , tr( "History" ));
}
FB2_BEGIN_KEYHASH(Fb2HeadItem)
FB2_KEY( Auth , "author" );
FB2_KEY( Cover , "coverpage" );
FB2_KEY( Image , "img" );
FB2_KEY( Seqn , "sequence" );
FB2_END_KEYHASH
Fb2HeadItem::Fb2HeadItem(QWebElement &element, Fb2HeadItem *parent)
: QObject(parent)
, m_element(element)
, m_parent(parent)
{
m_name = element.tagName().toLower();
QString style = element.attribute("class").toLower();
if (m_name == "div") {
if (!style.isEmpty()) m_name = style;
} else if (m_name == "img") {
m_text = element.attribute("alt");
}
m_id = element.attribute("id");
addChildren(element);
}
Fb2HeadItem::~Fb2HeadItem()
{
foreach (Fb2HeadItem * item, m_list) {
delete item;
}
}
void Fb2HeadItem::addChildren(QWebElement &parent)
{
QWebElement child = parent.firstChild();
while (!child.isNull()) {
QString tag = child.tagName().toLower();
if (tag == "div") {
m_list << new Fb2HeadItem(child, this);
} else if (tag == "img") {
m_list << new Fb2HeadItem(child, this);
} else {
addChildren(child);
}
child = child.nextSibling();
}
}
Fb2HeadItem * Fb2HeadItem::item(const QModelIndex &index) const
{
int row = index.row();
if (row < 0 || row >= m_list.size()) return NULL;
return m_list[row];
}
Fb2HeadItem * Fb2HeadItem::item(int row) const
{
if (row < 0 || row >= m_list.size()) return NULL;
return m_list[row];
}
QString Fb2HeadItem::text(int col) const
{
switch (col) {
case 0: return QString("<%1> %2").arg(m_name).arg(hint());
case 1: return value();
}
return QString();
}
QString Fb2HeadItem::hint() const
{
static HintHash hints;
HintHash::const_iterator it = hints.find(m_name);
if (it == hints.end()) return QString();
return it.value();
}
QString Fb2HeadItem::value() const
{
switch (toKeyword(m_name)) {
case Auth : {
return sub("last-name") + " " + sub("first-name") + " " + sub("middle-name");
} break;
case Cover : {
QString text;
foreach (Fb2HeadItem * item, m_list) {
if (item->m_name == "img") {
if (!text.isEmpty()) text += ", ";
text += item->value();
}
}
return text;
} break;
case Image : {
return m_element.attribute("alt");
} break;
case Seqn : {
QString text = m_element.attribute("fb2:name");
QString numb = m_element.attribute("fb2:number");
if (numb.isEmpty() || numb == "0") return text;
return text + ", " + tr("#") + numb;
} break;
default: ;
}
if (m_list.count()) return QString();
return m_element.toPlainText().simplified();
}
QString Fb2HeadItem::sub(const QString &key) const
{
foreach (Fb2HeadItem * item, m_list) {
if (item->m_name == key) return item->value();
}
return QString();
}
//---------------------------------------------------------------------------
// Fb2HeadModel
//---------------------------------------------------------------------------
Fb2HeadModel::Fb2HeadModel(QWebView &view, QObject *parent)
: QAbstractItemModel(parent)
, m_view(view)
, m_root(NULL)
{
QWebElement doc = view.page()->mainFrame()->documentElement();
QWebElement head = doc.findFirst("div.description");
if (head.isNull()) return;
m_root = new Fb2HeadItem(head);
}
Fb2HeadModel::~Fb2HeadModel()
{
if (m_root) delete m_root;
}
void Fb2HeadModel::expand(QTreeView *view)
{
QModelIndex parent = QModelIndex();
int count = rowCount(parent);
for (int i = 0; i < count; i++) {
QModelIndex child = index(i, 0, parent);
Fb2HeadItem *node = item(child);
if (node) view->expand(child);
}
}
Fb2HeadItem * Fb2HeadModel::item(const QModelIndex &index) const
{
if (index.isValid()) {
return static_cast<Fb2HeadItem*>(index.internalPointer());
} else {
return m_root;
}
}
int Fb2HeadModel::columnCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return 2;
}
QModelIndex Fb2HeadModel::index(int row, int column, const QModelIndex &parent) const
{
if (!m_root || row < 0 || column < 0) return QModelIndex();
if (Fb2HeadItem *owner = item(parent)) {
if (Fb2HeadItem *child = owner->item(row)) {
return createIndex(row, column, (void*)child);
}
}
return QModelIndex();
}
QModelIndex Fb2HeadModel::parent(const QModelIndex &child) const
{
if (Fb2HeadItem * node = static_cast<Fb2HeadItem*>(child.internalPointer())) {
if (Fb2HeadItem * parent = node->parent()) {
if (Fb2HeadItem * owner = parent->parent()) {
return createIndex(owner->index(parent), 0, (void*)parent);
}
}
}
return QModelIndex();
}
int Fb2HeadModel::rowCount(const QModelIndex &parent) const
{
if (parent.column() > 0) return 0;
Fb2HeadItem *owner = item(parent);
return owner ? owner->count() : 0;
}
QVariant Fb2HeadModel::data(const QModelIndex &index, int role) const
{
if (role != Qt::DisplayRole) return QVariant();
Fb2HeadItem * i = item(index);
return i ? i->text(index.column()) : QVariant();
}
QVariant Fb2HeadModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
switch (section) {
case 0: return tr("Key");
case 1: return tr("Value");
}
}
return QVariant();
}
void Fb2HeadModel::select(const QModelIndex &index)
{
Fb2HeadItem *node = item(index);
if (!node || node->id().isEmpty()) return;
m_view.page()->mainFrame()->scrollToAnchor(node->id());
}
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