rockbox/utils/themeeditor/projectmodel.cpp

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2010 Robert Bieber
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "projectmodel.h"
ProjectModel::ProjectModel(QObject *parent) :
QAbstractItemModel(parent)
{
}
ProjectModel::~ProjectModel()
{
if(root)
delete root;
}
QModelIndex ProjectModel::index(int row, int column,
const QModelIndex& parent) const
{
if(!hasIndex(row, column, parent))
return QModelIndex();
ProjectNode* foundParent = root;
if(parent.isValid())
foundParent = static_cast<ProjectNode*>(parent.internalPointer());
if(row < foundParent->numChildren() && row >= 0)
return createIndex(row, column, foundParent->child(row));
else
return QModelIndex();
}
QModelIndex ProjectModel::parent(const QModelIndex &child) const
{
if(!child.isValid())
return QModelIndex();
ProjectNode* foundParent = static_cast<ProjectNode*>
(child.internalPointer())->parent();
if(foundParent == root)
return QModelIndex();
return createIndex(foundParent->row(), 0, foundParent);
}
int ProjectModel::rowCount(const QModelIndex &parent) const
{
if(!root)
return 0;
if(!parent.isValid())
return root->numChildren();
if(parent.column() != 0)
return 0;
return static_cast<ProjectNode*>(parent.internalPointer())->numChildren();
}
int ProjectModel::columnCount(const QModelIndex &parent) const
{
return numColumns;
}
QVariant ProjectModel::data(const QModelIndex &index, int role) const
{
if(!index.isValid())
return QVariant();
if(role != Qt::DisplayRole)
return QVariant();
return static_cast<ProjectNode*>
(index.internalPointer())->data(index.column());
}
QVariant ProjectModel::headerData(int col, Qt::Orientation orientation,
int role) const
{
return QVariant();
}
Qt::ItemFlags ProjectModel::flags(const QModelIndex &index) const
{
return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
}
bool ProjectModel::setData(const QModelIndex &index, const QVariant &value,
int role)
{
return true;
}