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createmodel.cpp
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createmodel.cpp
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// ******************************************************
// * copyright (C) 2017 by Reinhardt Behm/[email protected]
// * All Rights reserved
// * created 11/29/2017 by behm
// ******************************************************
#include "datastructmodel.h"
#include "config.h"
void DataStructModel::createSource()
{
QString name = m_name.toLower();
m_name[0] = m_name[0].toUpper();
QString dataVectorName = m_dataName + "Vector";
QDir destDir = m_fileInfo.dir();
QFile fh(destDir.absoluteFilePath(name + ".h"));
if (! fh.open((QIODevice::WriteOnly)))
{
qWarning() << Q_FUNC_INFO << fh.fileName() << fh.errorString();
return;
}
QFile fc(destDir.absoluteFilePath(name + ".cpp"));
// qDebug() << Q_FUNC_INFO << fc.fileName();
if (! fc.open((QIODevice::WriteOnly)))
{
qWarning() << Q_FUNC_INFO << fc.fileName() << fc.errorString();
return;
}
QTextStream sh(&fh);
QTextStream sc(&fc);
QString ifs(name.toUpper() + "_H");
QString entryBlabla("// *************************************\n"
"// * Created by %1, %2\n"
"// * %3 by %4\n// *************************************\n\n");
entryBlabla = entryBlabla
.arg(qApp->applicationName())
.arg(qApp->applicationVersion())
.arg(QDateTime::currentDateTime().toString())
.arg(Config::sysUser());
sh
<< entryBlabla
<< "#ifndef " << ifs << endl
<< "#define " << ifs << endl
<< endl;
sh << "struct " << m_dataName << endl << "{" << endl;
QStringList idl;
QStringList idls;
foreach (const DataStruct &d, m_data)
{
sh << "\t" << d.m_type << " " << d.m_name << ";" << endl;
idl << d.m_id;
idls << "\"" + d.m_id + "\"";
}
idl << "NCols";
sh << "};" << endl
<< "typedef QVector<" << m_dataName << "> " << dataVectorName << ";" << endl << endl
<< "class " << m_name << " : public QAbstractTableModel" << endl
<< "{" << endl
<< "\tQ_OBJECT" << endl
<< "public:" << endl
<< "\tenum Colums { " << idl.join(", ") << " };" << endl
<< "\tQ_ENUMS(Colums)" << endl
<< "\texplicit " << m_name << "(QObject *parent = 0);" << endl
<< "\t~" << m_name << "();" << endl
;
sh << "\t// QAbstractItemModel interface" << endl
<< "\tvirtual int rowCount(const QModelIndex & = QModelIndex()) const { return m_data.count(); }" << endl
<< "\tvirtual int columnCount(const QModelIndex & = QModelIndex()) const { return NCols; }" << endl
<< "\tvirtual bool hasChildren(const QModelIndex & = QModelIndex()) const { return false; }" << endl
<< "\tvirtual QVariant headerData(int section, Qt::Orientation orientation, int role) const;" << endl
<< "\tvirtual QVariant data(const QModelIndex &index, int role) const;" << endl
;
QStringList flags( { "Qt::ItemIsEnabled", "Qt::ItemIsSelectable", "Qt::ItemNeverHasChildren" });
if (m_editable)
{
flags << "Qt::ItemIsEditable";
}
sh
<< "\tvirtual Qt::ItemFlags flags(const QModelIndex & = QModelIndex()) const { return " << flags.join(" | ") << "; }" << endl
;
if (! m_readOnly)
{
sh << "\tvirtual bool setData(const QModelIndex &index, const QVariant &value, int role);" << endl
<< "\tvoid clear();" << endl
;
}
if (m_insert)
{
sh << "\tvirtual bool insertRows(int row, int count, const QModelIndex &parent);" << endl;
}
if (m_remove)
{
sh << "\tvirtual bool removeRows(int row, int count, const QModelIndex &parent);" << endl;
}
if (m_directAccess)
{
sh << "\tconst " << dataVectorName << " & data() const { return m_data; }" << endl;
if (! m_readOnly)
{
sh << "\tvoid setData(const " << dataVectorName << " &d);" << endl;
}
}
if (m_indexedAccess)
{
sh << "\tconst " << m_dataName << " & data(int row) const { return m_data.at(row); }" << endl;
}
sh << "private:" << endl
<< "\tconst QStringList m_header;" << endl
<< "\tconst QVector<int> m_stdRoles;" << endl
<< "\t" << dataVectorName << " m_data;" << endl
;
sh << "};" << endl << endl << "#endif // " << ifs << endl;
// ------------- cpp top
sc
<< entryBlabla
<< "#include \"" << name << ".h\"" << endl << endl;
// _ct_, _dt_
QString s("%1::%1(QObject *parent)\n"
"\t: QAbstractTableModel(parent)\n"
"\t, m_header( { %2 })\n"
"\t, m_stdRoles( { Qt::DisplayRole, Qt::EditRole })\n"
"{\n}\n\n"
"%1::~%1()\n{\n}\n"
);
sc << s.arg(m_name).arg(idls.join(", "));
if (! m_readOnly)
{
// clear(), setData(QVector<>)
sc << endl << QString("void %1::clear()\n{\n\tbeginResetModel();\n\tm_data.clear();\n\tendResetModel();\n}").arg(m_name) << endl;
if (m_directAccess)
{
sc << QString("\nvoid %1::setData(const %2 &d)\n"
"{\n\tbeginResetModel();\n\tm_data = d;\n\tendResetModel();\n}"
).arg(m_name).arg(dataVectorName)
<< endl;
}
// setData(..)
QString s("\nbool %1::setData(const QModelIndex &index, const QVariant &value, int role)\n"
"{\n\tif (index.isValid() && index.row() < m_data.count())\n"
"\t{\n\t\tauto &t = m_data[index.row()];\n"
"\t\tswitch (role)\n\t\t{\n"
"\t\tcase Qt::DisplayRole:\n"
"\t\tcase Qt::EditRole:\n"
"\t\t\tswitch (index.column())\n"
"\t\t\t{\n");
sc << s.arg(m_name);
// setData, elements
foreach (const DataStruct &d, m_data)
{
sc << QString("\t\t\tcase %4:\n\t\t\t{\n\t\t\t\tconst %2 v = value.%3();\n"
"\t\t\t\tif (v != t.%1)\n\t\t\t\t{\n"
"\t\t\t\t\tt.%1 = v;\n"
"\t\t\t\t\temit dataChanged(index, index, m_stdRoles);\n"
"\t\t\t\t}\n\t\t\t\treturn true;\n\t\t\t}"
).arg(d.m_name).arg(d.m_type).arg(d.m_convert).arg(d.m_id)
<< endl;
}
sc << "\t\t\t}\n\t\t}\n\t}\n\treturn false;\n}" << endl;
}
// headerData
sc << endl
<< QString("QVariant %1::headerData(int section, Qt::Orientation orientation, int role) const\n"
"{\n\tif (role == Qt::DisplayRole)\n"
"\t{\n\t\tif (orientation == Qt::Horizontal)\n"
"\t\t{\n\t\t\tif (section <= columnCount())\n\t\t\t{\n\t\t\t\treturn m_header[section];\n\t\t\t}\n"
"\t\t}\n"
"\t\telse if (orientation == Qt::Vertical)\n\t\t{\n\t\t\treturn section;\n\t\t}\n\t}\n\treturn QVariant();\n}").arg(m_name)
<< endl;
// data(..)
sc << QString("\nQVariant %1::data(const QModelIndex &index, int role) const\n"
"{\n\tif (index.isValid() && index.row() < m_data.count())\n"
"\t{\n\t\tconst auto &t = m_data[index.row()];\n"
"\t\tswitch (role)\n\t\t{\n"
"\t\tcase Qt::DisplayRole:\n"
"\t\tcase Qt::EditRole:\n"
"\t\t\tswitch (index.column())\n"
"\t\t\t{\n").arg(m_name);
// data, elements
foreach (const DataStruct &d, m_data)
{
sc << QString("\t\t\tcase %1:\n\t\t\t\treturn t.%2;").arg(d.m_id).arg(d.m_name)
<< endl;
}
sc << "\t\t\t}\n\t\t\tbreak;\n\t\t}\n\t}\n\treturn QVariant();\n}" << endl;
if (m_insert)
{
sc << QString("\nbool %1::insertRows(int row, int count, const QModelIndex &parent)\n"
"{\n\trow = qBound(0, row, rowCount());\n"
"\t%2 dummy;\n"
"\tbeginInsertRows(parent, row, row + count - 1);\n"
"\tendInsertRows();\n"
"\treturn true;\n}"
).arg(m_name).arg(m_dataName) << endl;
}
if (m_remove)
{
sc << QString("\nbool %1::removeRows(int row, int count, const QModelIndex &parent)\n"
"{\n\trow = qBound(0, row, rowCount());\n"
"\tbeginRemoveRows(parent, row, row + count - 1);\n"
"\tfor (int i = 0; i < count; ++i)\n"
"\t{\n\t\tm_data.removeAt(row);\n"
"\t}\n\treturn true;\n}"
).arg(m_name) << endl;
}
}