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/*
MIDI Sequencer C++ library
Copyright (C) 2006-2024, Pedro Lopez-Cabanillas <plcl@users.sf.net>
This library 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.
This library 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 "drumgridmodel.h"
#if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
#include <QtWidgets>
#else
#include <QtGui>
#endif
const QString DrumGridModel::DEFVAL = QStringLiteral("f");
DrumGridModel::DrumGridModel(QObject *parent)
: QAbstractTableModel(parent),
m_columns(16),
m_lastValue(DEFVAL)
{
m_modelData.clear();
m_keys.clear();
loadKeyNames();
}
void DrumGridModel::loadKeyNames()
{
m_keyNames.clear();
m_keyNames[46] = QStringLiteral("Open HH");
m_keyNames[42] = QStringLiteral("Closed HH");
m_keyNames[39] = QStringLiteral("Hand Claps");
m_keyNames[38] = QStringLiteral("Snare Drum");
m_keyNames[36] = QStringLiteral("Bass Drum");
}
void DrumGridModel::fillSampleData()
{
beginInsertRows(QModelIndex(), 0, 4);
m_modelData.insert(0, QString(",p,,,,p,,,,p,,,,p,,").split(","));
m_modelData.insert(1, QString("f,,,p,f,,,p,f,,,p,f,,,p").split(","));
m_modelData.insert(2, QString(",,,,,,,,,,,,,4,4,").split(","));
m_modelData.insert(3, QString(",,,,f,,,,,,,,f,,,").split(","));
m_modelData.insert(4, QString("f,,,,p,,,,f,,,,p,,,").split(","));
m_keys.insert(0, 46);
m_keys.insert(1, 42);
m_keys.insert(2, 39);
m_keys.insert(3, 38);
m_keys.insert(4, 36);
endInsertRows();
}
int DrumGridModel::rowCount(const QModelIndex & /* parent */) const
{
return m_modelData.size();
}
int DrumGridModel::columnCount(const QModelIndex & /* parent */) const
{
return m_columns;
}
QVariant DrumGridModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid() || role != Qt::DisplayRole)
return QVariant();
return m_modelData[index.row()][index.column()].trimmed();
}
QVariant DrumGridModel::headerData(int section ,
Qt::Orientation orientation,
int role) const
{
if (role == Qt::DisplayRole) {
if ( orientation == Qt::Horizontal ) {
int m = section % 10;
if (m == 9)
m = 0;
else
m++;
return QString::number(m);
} else {
int k = m_keys.value(section, 0);
if (m_keyNames.contains(k))
return m_keyNames[k];
}
}
return QVariant();
}
void DrumGridModel::changeCell(const QModelIndex &index)
{
QString after, before = m_modelData[index.row()][index.column()];
if (before.isEmpty())
after = m_lastValue;
else
after = QString();
changeCell(index, after);
}
void DrumGridModel::changeCell(const QModelIndex &index, const QString& newValue)
{
m_lastValue = m_modelData[index.row()][index.column()] = newValue;
Q_EMIT dataChanged(index, index);
}
QStringList DrumGridModel::patternData(int row)
{
return m_modelData.value(row, QStringList());
}
QString DrumGridModel::patternKey(int row)
{
return QString::number(m_keys.value(row, 0));
}
void DrumGridModel::clearPattern()
{
beginRemoveRows(QModelIndex(), 0, rowCount());
m_modelData.clear();
m_keys.clear();
m_tempData.clear();
m_tempKeys.clear();
endRemoveRows();
}
void DrumGridModel::addPatternData(int key, const QStringList& row)
{
m_tempKeys.prepend(key);
m_tempData.prepend(row);
}
void DrumGridModel::endOfPattern()
{
beginInsertRows(QModelIndex(), 0, m_tempData.size());
m_keys = m_tempKeys;
m_modelData = m_tempData;
endInsertRows();
}
void DrumGridModel::updatePatternColumns(int columns)
{
int diff = m_columns - columns;
if (diff == 0)
return;
if (diff > 0) {
beginRemoveColumns(QModelIndex(), columns, m_columns-1);
for(int i=0; i<m_modelData.size(); ++i)
while( m_modelData[i].size() > columns )
m_modelData[i].removeLast();
} else {
beginInsertColumns(QModelIndex(), columns, columns-diff-1);
for(int i=0; i<m_modelData.size(); ++i)
while( m_modelData[i].size() < columns )
m_modelData[i].append(QString());
}
m_columns = columns;
if (diff > 0)
endRemoveColumns();
else
endInsertColumns();
}
QString DrumGridModel::patternHit(int row, int col)
{
if ((col < m_columns) && (row < m_modelData.size()))
return m_modelData[row][col].trimmed();
return QString();
}
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