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#include "taglistmodel.h"
TagListModel::TagListModel(SQLiteSaveFile &backend)
: backend(backend)
, cached_tags(backend.getAllTags())
{
qDebug() << "connecting TagListModel" << &backend;
connect(&backend, &SQLiteSaveFile::tagChange,
[=](TagChange change, const Tag &tag) { Q_UNUSED(change); Q_UNUSED(tag); reloadTags(); });
connect(&backend, &SQLiteSaveFile::fileReload,
[=]() { reloadTags(); });
}
int TagListModel::rowCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return cached_tags.size();
}
bool collateTagNames(QString a, QString b) {
QRegularExpression name_re("^(\\d*)(.*?)(\\d*)$");
auto res_a = name_re.match(a), res_b = name_re.match(b);
if (res_a.captured(1).isEmpty() && !res_b.captured(1).isEmpty())
return true;
if (res_a.captured(1).toInt() < res_b.captured(1).toInt())
return true;
if (res_a.captured(1) != res_b.captured(1))
return false;
if (res_a.captured(2) < res_b.captured(2))
return true;
if (res_a.captured(2) != res_b.captured(2))
return false;
if (res_a.captured(3).isEmpty() && !res_b.captured(3).isEmpty())
return true;
if (res_a.captured(3).toInt() < res_b.captured(3).toInt())
return true;
return false;
}
void TagListModel::reloadTags()
{
qDebug() << "TagListModel::reloadTags()";
beginResetModel();
cached_tags = backend.getAllTags();
std::sort(cached_tags.begin(), cached_tags.end(), [](const Tag &a, const Tag &b) { return collateTagNames(a.name, b.name); });
endResetModel();
}
QVariant TagListModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
if (role != Qt::DisplayRole && role != Qt::EditRole)
return QVariant();
auto rv = cached_tags.at(index.row()).name;
return rv;
}
QVariant TagListModel::headerData(int section, Qt::Orientation orientation, int role) const
{
assert(section == 0);
assert(orientation == Qt::Horizontal);
if (role != Qt::DisplayRole)
return QVariant();
return QString("Tag");
}
QModelIndex TagListModel::indexOf(const Tag &t) const
{
return index(cached_tags.indexOf(t));
}
Qt::ItemFlags TagListModel::flags(const QModelIndex &index) const
{
Q_UNUSED(index);
/* TODO: Add drag&drop from tag list to graphics view */
return Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsEditable;
}
bool TagListModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
if (!index.isValid())
return false;
if (role != Qt::EditRole)
return false;
Tag t = cached_tags.at(index.row());
t.name = value.toString();
backend.updateTag(t);
return true;
}
Tag TagListModel::getTag(const QModelIndex &index) const
{
if (!index.isValid())
return Tag();
return cached_tags.at(index.row());
}
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