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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2013-2014, Regents of the University of California,
*
* This file is part of NFD Control Center. See AUTHORS.md for complete list of NFD
* authors and contributors.
*
* NFD Control Center 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 3 of the License, or (at your option) any later version.
*
* NFD Control Center 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 NFD
* Control Center, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
*/
#include "key-tree-model.hpp"
#include "key-tree-item.hpp"
#include <QStringList>
#include <QFont>
#include <QBrush>
#include <iostream>
#ifdef WAF
#include "key-tree-model.moc"
#endif
namespace ndn {
namespace ncc {
KeyTreeModel::KeyTreeModel(QObject *parent)
: QAbstractItemModel(parent)
, m_rootItem(new KeyTreeItem(QVariant("")))
{
}
KeyTreeModel::~KeyTreeModel()
{
delete m_rootItem;
}
void
KeyTreeModel::clear()
{
delete m_rootItem;
m_rootItem = new KeyTreeItem(QVariant(""));
}
void
KeyTreeModel::addChild(KeyTreeItem* child)
{
child->setParent(m_rootItem);
m_rootItem->appendChild(child);
}
int
KeyTreeModel::columnCount(const QModelIndex& parent) const
{
if (parent.isValid())
return static_cast<KeyTreeItem*>(parent.internalPointer())->columnCount();
else
return m_rootItem->columnCount();
}
QVariant
KeyTreeModel::name(const QModelIndex& index, int role) const
{
if (!index.isValid())
return QVariant();
if (role != Qt::DisplayRole)
return QVariant();
KeyTreeItem* item = static_cast<KeyTreeItem*>(index.internalPointer());
return item->name();
}
QVariant
KeyTreeModel::data(const QModelIndex& index, int role) const
{
if (!index.isValid())
return QVariant();
KeyTreeItem* item = static_cast<KeyTreeItem*>(index.internalPointer());
switch (role) {
case Qt::DisplayRole:
{
return item->data();
}
case Qt::FontRole:
{
QFont font;
if (item->isDefault()) {
font.setBold(true);
}
return font;
}
// case Qt::BackgroundRole:
// {
// std::cerr << "brush" << std::endl;
// QBrush brush(Qt::white, Qt::SolidPattern);
// if (index.row() % 2 == 0) {
// brush.setColor(Qt::cyan);
// }
// return brush;
// }
default:
return QVariant();
}
}
Qt::ItemFlags
KeyTreeModel::flags(const QModelIndex& index) const
{
if (!index.isValid())
return 0;
return QAbstractItemModel::flags(index);
}
QVariant
KeyTreeModel::headerData(int section, Qt::Orientation orientation, int role) const
{
// if (orientation == Qt::Horizontal && role == Qt::DisplayRole)
// return m_rootItem->data();
return QVariant();
}
QModelIndex
KeyTreeModel::index(int row, int column, const QModelIndex &parent) const
{
if (!hasIndex(row, column, parent))
return QModelIndex();
KeyTreeItem *parentItem;
if (!parent.isValid())
parentItem = m_rootItem;
else
parentItem = static_cast<KeyTreeItem*>(parent.internalPointer());
KeyTreeItem *childItem = parentItem->child(row);
if (childItem)
return createIndex(row, column, childItem);
else
return QModelIndex();
}
QModelIndex
KeyTreeModel::parent(const QModelIndex &index) const
{
if (!index.isValid())
return QModelIndex();
KeyTreeItem *childItem = static_cast<KeyTreeItem*>(index.internalPointer());
KeyTreeItem *parentItem = childItem->parentItem();
if (parentItem == m_rootItem)
return QModelIndex();
return createIndex(parentItem->row(), 0, parentItem);
}
int
KeyTreeModel::rowCount(const QModelIndex &parent) const
{
KeyTreeItem *parentItem;
if (parent.column() > 0)
return 0;
if (!parent.isValid())
parentItem = m_rootItem;
else
parentItem = static_cast<KeyTreeItem*>(parent.internalPointer());
return parentItem->childCount();
}
// void
// KeyTreeModel::setupModelData(const QStringList &lines, KeyTreeItem *parent)
// {
// QList<KeyTreeItem*> parents;
// QList<int> indentations;
// parents << parent;
// indentations << 0;
// int number = 0;
// while (number < lines.count()) {
// int position = 0;
// while (position < lines[number].length()) {
// if (lines[number].at(position) != ' ')
// break;
// position++;
// }
// QString lineData = lines[number].mid(position).trimmed();
// if (!lineData.isEmpty()) {
// // Read the column data from the rest of the line.
// QStringList columnStrings = lineData.split("\t", QString::SkipEmptyParts);
// QList<QVariant> columnData;
// for (int column = 0; column < columnStrings.count(); ++column)
// columnData << columnStrings[column];
// if (position > indentations.last()) {
// // The last child of the current parent is now the new parent
// // unless the current parent has no children.
// if (parents.last()->childCount() > 0) {
// parents << parents.last()->child(parents.last()->childCount()-1);
// indentations << position;
// }
// } else {
// while (position < indentations.last() && parents.count() > 0) {
// parents.pop_back();
// indentations.pop_back();
// }
// }
// // Append a new item to the current parent's list of children.
// parents.last()->appendChild(new TreeItem(columnData, parents.last()));
// }
// ++number;
// }
// }
} // namespace ndn
} // namespace ncc