/***************************************************************************
 *   Project TupiTube Desk                                                 *
 *   Project Contact: info@tupitube.com                                    *
 *   Project Website: http://www.tupitube.com                              * 
 *                                                                         *
 *   Developers:                                                           *
 *   2025:                                                                 *
 *    Utopian Lab Development Team                                         *
 *   2010:                                                                 *
 *    Gustav Gonzalez                                                      *
 *   ---                                                                   *
 *   KTooN's versions:                                                     *
 *   2006:                                                                 *
 *    David Cuadrado                                                       *
 *    Jorge Cuadrado                                                       *
 *   2003:                                                                 *
 *    Fernado Roldan                                                       *
 *    Simena Dinas                                                         *
 *                                                                         *
 *   License:                                                              *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 ***************************************************************************/

#include "treelistwidget.h"

class TreeListWidgetDelegate : public QItemDelegate
{
    public:
        TreeListWidgetDelegate(QObject *parent = nullptr);
        ~TreeListWidgetDelegate();
};

TreeListWidgetDelegate::TreeListWidgetDelegate(QObject *parent) : QItemDelegate(parent)
{
}

TreeListWidgetDelegate::~TreeListWidgetDelegate()
{
}

//////////////////

TreeListWidget::TreeListWidget(QWidget *parent) : QTreeWidget(parent)
{
    #ifdef TUP_DEBUG
        qDebug() << "[TreeListWidget()]";
    #endif

    setEditTriggers(QAbstractItemView::EditKeyPressed | QAbstractItemView::DoubleClicked);
    setHeaderLabels(QStringList() << "");
    header()->hide();

    setUniformRowHeights(true);
    setAlternatingRowColors(true);
    
    TreeListWidgetDelegate *delegator = new TreeListWidgetDelegate(this);
    setItemDelegate(delegator);

    connect(this, SIGNAL(itemDoubleClicked(QTreeWidgetItem *, int)),
            this, SLOT(editDoubleClickedItem(QTreeWidgetItem *, int)));
}

TreeListWidget::~TreeListWidget()
{
}

void TreeListWidget::editDoubleClickedItem(QTreeWidgetItem *item, int col)
{
    #ifdef TUP_DEBUG
        qDebug() << "[TreeListWidget::editDoubleClickedItem()]";
    #endif

    if (item && m_isEditable) {
        item->setFlags(item->flags() | Qt::ItemIsEditable);
        editItem(item, col);
    }
}

void TreeListWidget::addItems(const QStringList &items)
{
    #ifdef TUP_DEBUG
        qDebug() << "[TreeListWidget::addItems()]";
    #endif

    QStringList::ConstIterator it = items.begin();
    
    while (it != items.end()) {
        QTreeWidgetItem *item = new QTreeWidgetItem(this);
        item->setText(0, *it);
        ++it;
    }
}

QList<QTreeWidgetItem *> TreeListWidget::topLevelItems()
{
    #ifdef TUP_DEBUG
        qDebug() << "[TreeListWidget::topLevelItems()]";
    #endif

    QList<QTreeWidgetItem *> items;
    for (int i = 0; i < topLevelItemCount (); i++)
         items << topLevelItem(i);
    
    return items;
}

void TreeListWidget::setEditable(bool isEditable)
{
    m_isEditable = isEditable;
}

bool TreeListWidget::isEditable() const
{
    return m_isEditable;
}

void TreeListWidget::closeEditor(QWidget *editor, QAbstractItemDelegate::EndEditHint hint)
{
    #ifdef TUP_DEBUG
        qDebug() << "[TreeListWidget::closeEditor()]";
    #endif

    QLineEdit *edit = qobject_cast<QLineEdit *>(editor);

    if (edit)
        emit editorClosed();

    QTreeWidget::closeEditor(editor, hint);
}

void TreeListWidget::removeAll()
{
    clear();
}
