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julia_itemmodel.cpp
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julia_itemmodel.cpp
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#include "julia_itemmodel.hpp"
#include <QVariant>
namespace qmlwrap
{
jl_module_t* JuliaItemModel::m_qml_mod = nullptr;
JuliaItemModel::JuliaItemModel(jl_value_t* data, QObject* parent) : QAbstractTableModel(parent), m_data(data)
{
assert(m_qml_mod != nullptr);
jlcxx::protect_from_gc(m_data);
}
JuliaItemModel::~JuliaItemModel()
{
jlcxx::unprotect_from_gc(m_data);
}
template<typename ReturnT>
auto safe_unbox(jl_value_t* arg)
{
if(arg == nullptr)
{
return ReturnT();
}
return jlcxx::unbox<ReturnT>(arg);
}
template<>
auto safe_unbox<QVariant&>(jl_value_t* arg)
{
if(arg == nullptr)
{
return QVariant();
}
return jlcxx::unbox<QVariant&>(arg);
}
int JuliaItemModel::rowCount(const QModelIndex& parent) const
{
static const jlcxx::JuliaFunction rowcount(jl_get_function(m_qml_mod, "rowcount"));
return safe_unbox<int>(rowcount(m_data));
}
int JuliaItemModel::columnCount(const QModelIndex& parent) const
{
static const jlcxx::JuliaFunction colcount(jl_get_function(m_qml_mod, "colcount"));
return safe_unbox<int>(colcount(m_data));
}
QVariant JuliaItemModel::data(const QModelIndex& index, int role) const
{
static const jlcxx::JuliaFunction data_f(jl_get_function(m_qml_mod, "data"));
// The static cast avoids sending a reference to the Julia function, which would require adding an extra method
return safe_unbox<QVariant&>(data_f(m_data, static_cast<int>(role), index.row()+1, index.column()+1));
}
QVariant JuliaItemModel::headerData(int section, Qt::Orientation orientation, int role) const
{
static const jlcxx::JuliaFunction headerdata_f(jl_get_function(m_qml_mod, "headerdata"));
return safe_unbox<QVariant&>(headerdata_f(m_data, section+1, orientation, role));
}
bool JuliaItemModel::setData(const QModelIndex& index, const QVariant& value, int role)
{
static const jlcxx::JuliaFunction setdata(jl_get_function(m_qml_mod, "setdata!"));
return safe_unbox<bool>(setdata(this, value, static_cast<int>(role), index.row()+1, index.column()+1));
}
bool JuliaItemModel::setHeaderData(int section, Qt::Orientation orientation, const QVariant& value, int role)
{
static const jlcxx::JuliaFunction setheaderdata_f(jl_get_function(m_qml_mod, "setheaderdata!"));
return safe_unbox<bool>(setheaderdata_f(this, section+1, orientation, value, role));
}
Qt::ItemFlags JuliaItemModel::flags(const QModelIndex& index) const
{
Qt::ItemFlags f = QAbstractTableModel::flags(index);
if (index.isValid())
f |= Qt::ItemIsEditable;
return f;
}
QHash<int, QByteArray> JuliaItemModel::roleNames() const
{
static const jlcxx::JuliaFunction rolenames(jl_get_function(m_qml_mod, "rolenames"));
return safe_unbox<QHash<int, QByteArray>>(rolenames(m_data));
}
void JuliaItemModel::clear()
{
static const jlcxx::JuliaFunction clear_f(jl_get_function(m_qml_mod, "clear!"));
clear_f(this);
}
void JuliaItemModel::appendRow(const QVariant& row)
{
static const jlcxx::JuliaFunction append_row_f(jl_get_function(m_qml_mod, "append_row!"));
append_row_f(this, row);
}
void JuliaItemModel::insertRow(int rowIndex, const QVariant& row)
{
static const jlcxx::JuliaFunction insert_row_f(jl_get_function(m_qml_mod, "insert_row!"));
insert_row_f(this, rowIndex+1, row);
}
void JuliaItemModel::moveRow(int fromRowIndex, int toRowIndex, int rows)
{
static const jlcxx::JuliaFunction move_row_f(jl_get_function(m_qml_mod, "move_rows!"));
move_row_f(this, fromRowIndex+1, toRowIndex+1, rows);
}
void JuliaItemModel::removeRow(int rowIndex, int rows)
{
static const jlcxx::JuliaFunction remove_row_f(jl_get_function(m_qml_mod, "remove_rows!"));
remove_row_f(this, rowIndex+1, rows);
}
void JuliaItemModel::setRow(int rowIndex, const QVariant& row)
{
static const jlcxx::JuliaFunction set_row_f(jl_get_function(m_qml_mod, "set_row!"));
set_row_f(this, rowIndex + 1, row);
}
void JuliaItemModel::appendColumn(const QVariant& column)
{
static const jlcxx::JuliaFunction append_column_f(jl_get_function(m_qml_mod, "append_column!"));
append_column_f(this, column);
}
void JuliaItemModel::insertColumn(int columnIndex, const QVariant& column)
{
static const jlcxx::JuliaFunction insert_column_f(jl_get_function(m_qml_mod, "insert_column!"));
insert_column_f(this, columnIndex+1, column);
}
void JuliaItemModel::moveColumn(int fromColumnIndex, int toColumnIndex, int columns)
{
static const jlcxx::JuliaFunction move_column_f(jl_get_function(m_qml_mod, "move_columns!"));
move_column_f(this, fromColumnIndex+1, toColumnIndex+1, columns);
}
void JuliaItemModel::removeColumn(int columnIndex, int columns)
{
static const jlcxx::JuliaFunction remove_column_f(jl_get_function(m_qml_mod, "remove_columns!"));
remove_column_f(this, columnIndex+1, columns);
}
void JuliaItemModel::setColumn(int columnIndex, const QVariant& column)
{
static const jlcxx::JuliaFunction set_column_f(jl_get_function(m_qml_mod, "set_column!"));
set_column_f(this, columnIndex + 1, column);
}
void JuliaItemModel::emit_data_changed(int startrow, int startcol, int endrow, int endcol)
{
emit dataChanged(createIndex(startrow-1, startcol-1), createIndex(endrow-1, endcol-1));
}
void JuliaItemModel::emit_header_data_changed(Qt::Orientation orientation, int first, int last)
{
emit headerDataChanged(orientation, first-1, last-1);
}
void JuliaItemModel::begin_reset_model()
{
beginResetModel();
}
void JuliaItemModel::end_reset_model()
{
endResetModel();
}
void JuliaItemModel::begin_insert_rows(int first, int last)
{
beginInsertRows(QModelIndex(), first-1, last-1);
}
void JuliaItemModel::end_insert_rows()
{
endInsertRows();
}
bool JuliaItemModel::begin_move_rows(int fromIndex, int toIndex, int count)
{
fromIndex -= 1;
toIndex -= 1;
return beginMoveRows(QModelIndex(), fromIndex, fromIndex+count-1, QModelIndex(), toIndex > fromIndex ? toIndex + count : toIndex);
}
void JuliaItemModel::end_move_rows()
{
endMoveRows();
}
void JuliaItemModel::begin_remove_rows(int fromIndex, int count)
{
beginRemoveRows(QModelIndex(), fromIndex-1, fromIndex+count-2);
}
void JuliaItemModel::end_remove_rows()
{
endRemoveRows();
}
void JuliaItemModel::begin_insert_columns(int first, int last)
{
beginInsertColumns(QModelIndex(), first-1, last-1);
}
void JuliaItemModel::end_insert_columns()
{
endInsertColumns();
}
bool JuliaItemModel::begin_move_columns(int fromIndex, int toIndex, int count)
{
fromIndex -= 1;
toIndex -= 1;
return beginMoveColumns(QModelIndex(), fromIndex, fromIndex+count-1, QModelIndex(), toIndex > fromIndex ? toIndex + count : toIndex);
}
void JuliaItemModel::end_move_columns()
{
endMoveColumns();
}
void JuliaItemModel::begin_remove_columns(int fromIndex, int count)
{
beginRemoveColumns(QModelIndex(), fromIndex-1, fromIndex+count-2);
}
void JuliaItemModel::end_remove_columns()
{
endRemoveColumns();
}
QHash<int,QByteArray> JuliaItemModel::default_role_names() const
{
return QAbstractItemModel::roleNames();
}
jl_value_t* JuliaItemModel::get_julia_data() const
{
return m_data;
}
} // namespace qmlwrap