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// Copyright (c) 2011-2017 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <qt/kevatablemodel.h>
#include <qt/bitcoinunits.h>
#include <qt/guiutil.h>
#include <qt/optionsmodel.h>
#include <clientversion.h>
#include <streams.h>
KevaTableModel::KevaTableModel(CWallet *wallet, WalletModel *parent) :
QAbstractTableModel(parent), walletModel(parent)
{
Q_UNUSED(wallet)
/* These columns must match the indices in the ColumnIndex enumeration */
columns << tr("Date") << tr("Key") << tr("Value") << tr("Block");
// TODO: display new keva entry when it arrives.
// connect(walletModel->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));
}
KevaTableModel::~KevaTableModel()
{
/* Intentionally left empty */
}
int KevaTableModel::rowCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return list.length();
}
int KevaTableModel::columnCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return columns.length();
}
QVariant KevaTableModel::data(const QModelIndex &index, int role) const
{
if(!index.isValid() || index.row() >= list.length())
return QVariant();
if (role == Qt::TextColorRole)
{
const KevaEntry *rec = &list[index.row()];
if (rec->block < 0) {
return QVariant(QBrush (QColor(Qt::gray)));
}
return QVariant();
}
else if(role == Qt::DisplayRole || role == Qt::EditRole)
{
const KevaEntry *rec = &list[index.row()];
switch(index.column())
{
case Date:
return GUIUtil::dateTimeStr(rec->date);
case Key:
return QString::fromStdString(rec->key);
case Value:
return QString::fromStdString(rec->value);
case Block:
return QString::number(rec->block);
}
}
else if (role == Qt::TextAlignmentRole)
{
if (index.column() == Block)
return (int)(Qt::AlignRight|Qt::AlignVCenter);
}
return QVariant();
}
bool KevaTableModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
return true;
}
QVariant KevaTableModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if(orientation == Qt::Horizontal)
{
if(role == Qt::DisplayRole && section < columns.size())
{
return columns[section];
}
}
return QVariant();
}
/** Gets title for amount column including current display unit if optionsModel reference available. */
QString KevaTableModel::getAmountTitle()
{
return (this->walletModel->getOptionsModel() != nullptr) ? tr("Requested") + " ("+BitcoinUnits::shortName(this->walletModel->getOptionsModel()->getDisplayUnit()) + ")" : "";
}
QModelIndex KevaTableModel::index(int row, int column, const QModelIndex &parent) const
{
Q_UNUSED(parent);
return createIndex(row, column);
}
bool KevaTableModel::removeRows(int row, int count, const QModelIndex &parent)
{
Q_UNUSED(parent);
if(count > 0 && row >= 0 && (row+count) <= list.size())
{
beginRemoveRows(parent, row, row + count - 1);
list.erase(list.begin() + row, list.begin() + row + count);
endRemoveRows();
return true;
} else {
return false;
}
}
Qt::ItemFlags KevaTableModel::flags(const QModelIndex &index) const
{
return Qt::ItemIsSelectable | Qt::ItemIsEnabled;
}
// actually add to table in GUI
void KevaTableModel::setKeva(std::vector<KevaEntry> vKevaEntries)
{
// Remove the old ones.
removeRows(0, list.size());
list.clear();
for (auto it = vKevaEntries.begin(); it != vKevaEntries.end(); it++) {
beginInsertRows(QModelIndex(), 0, 0);
list.prepend(*it);
endInsertRows();
}
}
void KevaTableModel::sort(int column, Qt::SortOrder order)
{
qSort(list.begin(), list.end(), KevaEntryLessThan(column, order));
Q_EMIT dataChanged(index(0, 0, QModelIndex()), index(list.size() - 1, NUMBER_OF_COLUMNS - 1, QModelIndex()));
}
void KevaTableModel::updateDisplayUnit()
{
}
bool KevaEntryLessThan::operator()(KevaEntry &left, KevaEntry &right) const
{
KevaEntry *pLeft = &left;
KevaEntry *pRight = &right;
if (order == Qt::DescendingOrder)
std::swap(pLeft, pRight);
switch(column)
{
case KevaTableModel::Date:
return pLeft->date.toTime_t() < pRight->date.toTime_t();
case KevaTableModel::Block:
return pLeft->block < pRight->block;
case KevaTableModel::Key:
return pLeft->key < pRight->key;
case KevaTableModel::Value:
return pLeft->value < pRight->value;
default:
return pLeft->block < pRight->block;
}
}