This library provides a simple and nice C++ wrapper around these libraries, so that programmers can concentrate on functionality. It offers general support for PCSC-lite, OpenSSL, PKCS#11, plus specific functionality for the SuisseID.
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/*! @file
@id $Id$
*/
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#ifndef CARDGUI_MODEL_HXX
#define CARDGUI_MODEL_HXX
#include <cardos.hxx>
#include <QtCore/QAbstractItemModel>
#include <QtGui/QFont>
class CardGuiModel: public QAbstractItemModel {
Q_OBJECT;
public:
CardGuiModel(cardos::Commands& cmd, const std::string& path):
_rootItem(cmd, path) {
}
QVariant data(const QModelIndex &index, int role) const {
if (!index.isValid()) return QVariant();
cardos::Object* o(static_cast<cardos::Object*>(index.internalPointer()));
switch (role) {
case Qt::TextAlignmentRole:
return Qt::AlignTop;
case Qt::FontRole:
if (index.column() == 2) {
QFont f("Monospaced");
f.setStyleHint(QFont::TypeWriter);
return f;
} else return QVariant();
case Qt::DisplayRole:
switch (index.column()) {
case 0: return QString::fromStdString(o->logicalName());
case 1: return QString::fromStdString(o->name());
case 3: return QString::fromStdString(o->contentInfo());
case 2: if (o->content().size())
return QString::fromStdString(crypto::readable(o->content()));
default: return QVariant();
}
default: return QVariant();
}
}
Qt::ItemFlags flags(const QModelIndex &index) const {
if (!index.isValid()) return 0;
return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
}
QVariant headerData(int section, Qt::Orientation orientation,
int role = Qt::DisplayRole) const {
if (orientation!=Qt::Horizontal || role!=Qt::DisplayRole)
return QVariant();
switch (section) {
case 0: return "Object";
case 1: return "ID";
case 3: return "Logical Content";
case 2: return "Binary Content";
default: return QVariant();
}
}
QModelIndex index(int row, int column,
const QModelIndex &parent = QModelIndex()) const {
if (!hasIndex(row, column, parent)) return QModelIndex();
const cardos::Object* parentItem(0);
if (!parent.isValid())
parentItem = &_rootItem;
else
parentItem = static_cast<cardos::Object*>(parent.internalPointer());
if (row<parentItem->size())
return
createIndex(row, column, &(*parentItem->children().at(row)));
return QModelIndex();
}
std::pair<const cardos::Object*, int> scan(const cardos::Object& o,
const cardos::Object* c) const {
int i(0);
for (cardos::Object::Children::const_iterator it(o.children().begin());
it!=o.children().end(); ++it, ++i) {
if (it->get()==c) return std::make_pair(&o, i);
std::pair<const cardos::Object*, int> res(scan(**it, c));
if (res.first) return res;
}
return std::make_pair((const cardos::Object*)0, 0);
}
QModelIndex parent(const QModelIndex &index) const {
if (!index.isValid()) return QModelIndex();
cardos::Object* childItem
(static_cast<cardos::Object*>(index.internalPointer()));
if (childItem==&_rootItem) return QModelIndex();
std::pair<const cardos::Object*, int>
parentItem(scan(_rootItem, childItem));
if (!parentItem.first) return QModelIndex();
return createIndex(parentItem.second, 0,
const_cast<cardos::Object*>(parentItem.first));
}
int rowCount(const QModelIndex &parent = QModelIndex()) const {
if (parent.isValid() && parent.internalPointer())
return static_cast<cardos::Object*>(parent.internalPointer())->size();
else
return _rootItem.size();
}
int columnCount(const QModelIndex &parent = QModelIndex()) const {
return 4;
}
protected:
cardos::Dir _rootItem;
};
#endif