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 #include <QtGui>

 #include <QtXml>

 #include "domitem.h"

 #include "dommodel.h"

 DomModel::DomModel(QDomDocument *document, QObject *parent)

     : QAbstractItemModel(parent), domDocument(document)

 {

     rootItem = new DomItem(*domDocument, 0);

 }

 DomModel::~DomModel()

 {

     delete rootItem;

     delete this->domDocument;

 }

 int DomModel::columnCount(const QModelIndex &/*parent*/) const

 {

     return 3;

 }

 QVariant DomModel::data(const QModelIndex &index, int role) const

 {

     if (!index.isValid())

         return QVariant();

     if (role != Qt::DisplayRole)

         return QVariant();

     DomItem *item = static_cast<DomItem*>(index.internalPointer());

     QDomNode node = item->node();

     QStringList attributes;

     QDomNamedNodeMap attributeMap = node.attributes();

     switch (index.column()) {

         case 0:

             return node.nodeName();

         case 1:

             for (int i = 0; i < attributeMap.count(); ++i) {

                 QDomNode attribute = attributeMap.item(i);

                 attributes << attribute.nodeName() + "=\""

                               +attribute.nodeValue() + "\"";

             }

             return attributes.join(" ");

         case 2:

             return node.nodeValue().split("\n").join(" ");

         default:

             return QVariant();

     }

 }

 Qt::ItemFlags DomModel::flags(const QModelIndex &index) const

 {

     if (!index.isValid())

         return 0;

     return Qt::ItemIsEnabled | Qt::ItemIsSelectable;

 }

 QVariant DomModel::headerData(int section, Qt::Orientation orientation,

                               int role) const

 {

     if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {

         switch (section) {

             case 0:

                 return tr("Name");

             case 1:

                 return tr("Attributes");

             case 2:

                 return tr("Value");

             default:

                 return QVariant();

         }

     }

     return QVariant();

 }

 QModelIndex DomModel::index(int row, int column, const QModelIndex &parent)

             const

 {

     if (!hasIndex(row, column, parent))

         return QModelIndex();

     DomItem *parentItem;

     if (!parent.isValid())

         parentItem = rootItem;

     else

         parentItem = static_cast<DomItem*>(parent.internalPointer());

     DomItem *childItem = parentItem->child(row);

     if (childItem)

         return createIndex(row, column, childItem);

     else

         return QModelIndex();

 }

 QModelIndex DomModel::parent(const QModelIndex &child) const

 {

     if (!child.isValid())

         return QModelIndex();

     DomItem *childItem = static_cast<DomItem*>(child.internalPointer());

     DomItem *parentItem = childItem->parent();

     if (!parentItem || parentItem == rootItem)

         return QModelIndex();

     return createIndex(parentItem->row(), 0, parentItem);

 }

 int DomModel::rowCount(const QModelIndex &parent) const

 {

     if (parent.column() > 0)

         return 0;

     DomItem *parentItem;

     if (!parent.isValid())

         parentItem = rootItem;

     else

         parentItem = static_cast<DomItem*>(parent.internalPointer());

     return parentItem->node().childNodes().count();

 }