/*
 * This file is part of the proxy model test suite.
 *
 * Copyright 2009  Stephen Kelly <steveire@gmail.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301  USA
 */

#include "descendantpmwidget.h"

#include <QTreeView>
#include <QSplitter>

#include "dynamictreemodel.h"
#include "dynamictreewidget.h"
#include "kdescendantsproxymodel.h"
#include <QHBoxLayout>
#include <QLineEdit>
#include <QApplication>

#include "modeleventlogger.h"

DescendantProxyModelWidget::DescendantProxyModelWidget(QWidget *parent): QWidget(parent)
{
    QHBoxLayout *layout = new QHBoxLayout(this);
    QSplitter *vSplitter = new QSplitter(this);
    layout->addWidget(vSplitter);

    m_rootModel = new DynamicTreeModel(this);

    DynamicTreeWidget *dynTreeWidget = new DynamicTreeWidget(m_rootModel, vSplitter);

    dynTreeWidget->setInitialTree(
        QLatin1String("- 1"
        "- 2"
        "- - 3"
        "- - 3"
        "- - - 4"
        "- - - 4"
        "- - - - 4"
        "- - 4"
        "- - 5"
        "- - - 4"
        "- - - - 4"
        "- - 5"
        "- 6"
        "- 7"
        "- - 8"
        "- - - 9"
        "- - - 10"
        "- - - - 9"
        "- - - - - 10"
        "- - - - - - 9"
        "- - - - - - 10"
        "- - - - - - - 9"
        "- - - - - - - - 10"
        "- - - - - - - - 9"
        "- - - - - - - 10"
        "- - - - - 9"
        "- - - - - 9"
        "- - - - - 9"
        "- - - - - 10"
        "- - - - - - 9"
        "- - - - - - 10"
        "- - - - - 9"
        "- - - - - 9"
        "- - - - - 9"
        "- - - - - 10"
        "- - - - - - 9"
        "- - - - - - 10"
        "- - - - 10"
        "- - 11"
        "- - 12"
        "- 13"
        "- 14"
        "- 15"
        "- - 16"
        "- - - 17"
        "- - - 18"
        "- 19"
        "- 20"
        "- 21"));

    m_eventLogger = new ModelEventLogger(m_rootModel, this);

    m_descProxyModel = new KDescendantsProxyModel(this);
    m_descProxyModel->setSourceModel(m_rootModel);

//   KDescendantsProxyModel *descProxyModel2 = new KDescendantsProxyModel(this);
//   descProxyModel2->setSourceModel(m_rootModel);
//   descProxyModel2->setDisplayAncestorData(true);

//   QTreeView *treeview = new QTreeView( vSplitter );
//   treeview->setModel(m_rootModel);
//   treeview->setSelectionMode(QAbstractItemView::ExtendedSelection);

    m_descView = new QTreeView(vSplitter);
    m_descView->setModel(m_descProxyModel);

//   QTreeView *descView2 = new QTreeView( vSplitter );
//   descView2->setModel(descProxyModel2);

//   QWidget *w = new QWidget(vSplitter);
//   QVBoxLayout *vLayout = new QVBoxLayout(w);
//   QTreeView *matchView = new QTreeView(w);
//   matchView->setModel(m_selectionProxyModel);
//   m_lineEdit = new QLineEdit(w);
//   connect(m_lineEdit, SIGNAL(textChanged(QString)), SLOT(doMatch(QString)));
//   connect(m_descView->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)), SLOT(refreshMatch()));

//   vLayout->addWidget(m_lineEdit);
//   vLayout->addWidget(matchView);

    setLayout(layout);
}

DescendantProxyModelWidget::~DescendantProxyModelWidget()
{
}

void DescendantProxyModelWidget::doMatch(const QString &matchData)
{
    Q_UNUSED(matchData);
#if 0
    m_itemSelectionModel->clearSelection();

    if (matchData.isEmpty()) {
        return;
    }

    QModelIndex start = m_descView->currentIndex();

    if (!start.isValid()) {
        start = m_descProxyModel->index(0, 0);
    }

    // TODO: get from user.
    int hits = -1;

    QModelIndexList matches = m_descProxyModel->match(start, Qt::DisplayRole, matchData, hits, Qt::MatchContains);

    Q_FOREACH (const QModelIndex &matchingIndex, matches) {
        m_itemSelectionModel->select(matchingIndex, QItemSelectionModel::Select | QItemSelectionModel::Rows);
    }
#endif
}

void DescendantProxyModelWidget::refreshMatch()
{
    doMatch(m_lineEdit->text());
}

