#include <QtGui>

 #include "findresultitem.h"

 #include "findresultmodel.h"

 #include "treeitem.h"

 FindResultModel::FindResultModel( QObject *parent)

     : QAbstractItemModel(parent)

 {

     QVector<QVariant> rootData;

 	rootData << "Heading";

     rootItem = new FindResultItem(rootData);

 }

 FindResultModel::~FindResultModel()

 {

     delete rootItem;

 }

 void FindResultModel::clear()

 {

 	if (rootItem->childCount()>0)

 		removeRows (0,rowCount (QModelIndex ()));

 }

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

 {

     return rootItem->columnCount();

 }

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

 {

     if (!index.isValid())

         return QVariant();

     if (role != Qt::DisplayRole && role != Qt::EditRole)

         return QVariant();

     FindResultItem *item = getItem(index);

     return item->data(index.column());

 }

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

 {

     if (!index.isValid())

         return 0;

     return Qt::ItemIsEditable | Qt::ItemIsEnabled | Qt::ItemIsSelectable;

 }

 FindResultItem *FindResultModel::getItem(const QModelIndex &index) const

 {

     if (index.isValid()) {

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

         if (item) return item;

     }

     return rootItem;

 }

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

                                int role) const

 {

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

         return rootItem->data(section);

     return QVariant();

 }

 QModelIndex FindResultModel::index (FindResultItem *fri)

 {

 	if (!fri->parent())

 		return QModelIndex();

 	else	

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

 }

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

 {

     if (parent.isValid() && parent.column() != 0)

         return QModelIndex();

     FindResultItem *parentItem = getItem(parent);

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

     if (childItem)

         return createIndex(row, column, childItem);

     else

         return QModelIndex();

 }

 bool FindResultModel::insertColumns(int position, int columns, const QModelIndex &parent)

 {

     bool success;

     beginInsertColumns(parent, position, position + columns - 1);

     success = rootItem->insertColumns(position, columns);

     endInsertColumns();

     return success;

 }

 bool FindResultModel::insertRows(int position, int rows, const QModelIndex &parent)

 {

     FindResultItem *parentItem = getItem(parent);

     bool success;

     beginInsertRows(parent, position, position + rows - 1);

     success = parentItem->insertChildren(position, rows, rootItem->columnCount());

     endInsertRows();

     return success;

 }

 QModelIndex FindResultModel::parent(const QModelIndex &index) const

 {

     if (!index.isValid())

         return QModelIndex();

     FindResultItem *childItem = getItem(index);

     FindResultItem *parentItem = childItem->parent();

     if (parentItem == rootItem)

         return QModelIndex();

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

 }

 bool FindResultModel::removeColumns(int position, int columns, const QModelIndex &parent)

 {

     bool success;

     beginRemoveColumns(parent, position, position + columns - 1);

     success = rootItem->removeColumns(position, columns);

     endRemoveColumns();

     if (rootItem->columnCount() == 0)

         removeRows(0, rowCount());

     return success;

 }

 bool FindResultModel::removeRows(int position, int rows, const QModelIndex &parent)

 {

     FindResultItem *parentItem = getItem(parent);

     bool success = true;

     beginRemoveRows(parent, position, position + rows - 1);

     success = parentItem->removeChildren(position, rows);

     endRemoveRows();

     return success;

 }

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

 {

     FindResultItem *parentItem = getItem(parent);

     return parentItem->childCount();

 }

 bool FindResultModel::setData(const QModelIndex &index, const QVariant &value,

                         int role)

 {

     if (role != Qt::EditRole)

         return false;

     FindResultItem *item = getItem(index);

     bool result = item->setData(index.column(), value);

     if (result)

         emit dataChanged(index, index);

     return result;

 }

 bool FindResultModel::setHeaderData(int section, Qt::Orientation orientation,

                               const QVariant &value, int role)

 {

     if (role != Qt::EditRole || orientation != Qt::Horizontal)

         return false;

     bool result = rootItem->setData(section, value);

     if (result)

         emit headerDataChanged(orientation, section, section);

     return result;

 }

 void FindResultModel::addItem (TreeItem *ti)

 {

 	if (ti)

 	{

 		QModelIndex ix (index (rootItem));

 		//QAbstractItemModel *resultsModel = view->model();

 		if (!insertRow(ix.row()+1, ix.parent()))

 			return;

 		for (int column = 0; column < columnCount(ix.parent()); ++column) {

 			QModelIndex child = index(ix.row()+1, column, ix.parent());

 			setData(child, QVariant(ti->getHeading()), Qt::EditRole);

 			getItem(child)->setOriginal (ti);

 		}

 	}

 }

 void FindResultModel::addItem (const QString &s)

 {

 	if (!s.isEmpty())

 	{

 		QModelIndex ix ( index (rootItem));

 		if (!insertRow(ix.row()+1, ix.parent()))

 			return;

 		for (int column = 0; column < columnCount(ix.parent()); ++column) {

 			QModelIndex child = index(ix.row()+1, column, ix.parent());

 			setData(child, QVariant(s), Qt::EditRole);

 		}

 	}

 }