/****************************************************************************
**
** Modifications Copyright (C) 2016 Kevin B, Hendricks, Stratford, ON, Canada
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
**     of its contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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****************************************************************************/

/*
    TreeItem.cpp

    A container for items of data supplied by the simple tree model.
*/

#include "Dialogs/TreeItem.h"

#include <QStringList>

TreeItem::TreeItem(const QVector<QVariant> &data, TreeItem *parent)
{
    parentItem = parent;
    itemData = data;
}

TreeItem::~TreeItem()
{
    qDeleteAll(childItems);
}

TreeItem *TreeItem::child(int number)
{
    return childItems.value(number);
}

int TreeItem::childCount() const
{
    return childItems.count();
}

int TreeItem::childNumber() const
{
    if (parentItem)
        return parentItem->childItems.indexOf(const_cast<TreeItem*>(this));

    return 0;
}

int TreeItem::columnCount() const
{
    return itemData.count();
}

QVariant TreeItem::data(int column) const
{
    return itemData.value(column);
}

bool TreeItem::insertChildren(int position, int count, int columns)
{
    if (position < 0 || position > childItems.size())
        return false;

    for (int row = 0; row < count; ++row) {
        QVector<QVariant> data(columns);
        TreeItem *item = new TreeItem(data, this);
        childItems.insert(position, item);
    }

    return true;
}


TreeItem *TreeItem::parent()
{
    return parentItem;
}

bool TreeItem::removeChildren(int position, int count)
{
    if (position < 0 || position + count > childItems.size())
        return false;

    for (int row = 0; row < count; ++row)
        delete childItems.takeAt(position);

    return true;
}

bool TreeItem::moveChildUp(int position)
{
    if (position <=0 || position > childItems.size() - 1)
        return false;

    childItems.swap(position, position-1);
    return true;
}

bool TreeItem::moveChildDown(int position)
{
    if (position < 0 || position >= childItems.size() - 1)
        return false;

    childItems.swap(position, position+1);
    return true;
}

bool TreeItem::setData(int column, const QVariant &value)
{
    if (column < 0 || column >= itemData.size())
        return false;

    itemData[column] = value;
    return true;
}

