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#include "tagproptablemodel.h"
TagPropTableModel::TagPropTableModel(SQLiteSaveFile &backend, const Tag tag)
: backend(backend)
, tag_cached(tag)
, tagIsValid(true)
{
tag_keys = tag_cached.metadata.keys();
tag_keys.sort();
connect(&backend, &SQLiteSaveFile::tagChange,
this, &TagPropTableModel::tagChange);
connect(&backend, &SQLiteSaveFile::fileReload,
[=]() {
beginResetModel();
tagIsValid = false;
endResetModel();
});
}
TagPropTableModel::TagPropTableModel(SQLiteSaveFile &backend)
: backend(backend)
, tagIsValid(false)
{
}
int TagPropTableModel::rowCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
if (!tagIsValid)
return 0;
return 3 + tag_cached.metadata.size();
}
int TagPropTableModel::columnCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return 2;
}
QVariant TagPropTableModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
if (role != Qt::DisplayRole)
return QVariant();
bool label = index.column() == 0;
switch (index.row()) {
case 0: return label ? QVariant("Database ID") : tag_cached.id; break;
case 1: return label ? QVariant("Label") : tag_cached.name; break;
case 2: return label ? QVariant("Anchor") : tag_cached.anchor; break;
}
int idx = index.row() - 3;
return label ? tag_keys[idx] : tag_cached.metadata[tag_keys[idx]];
}
QVariant TagPropTableModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (orientation != Qt::Horizontal)
return QVariant();
if (role != Qt::DisplayRole)
return QVariant();
if (section == 0)
return "Property";
else
return "Value";
}
Qt::ItemFlags TagPropTableModel::flags(const QModelIndex &index) const
{
if (index.row() == 0)
return Qt::NoItemFlags;
if (index.column() == 0) {
if (index.row() < 3)
return Qt::ItemIsEnabled;
return Qt::ItemIsEnabled | Qt::ItemIsEditable;
}
if (index.row() == 1)
return Qt::ItemIsEnabled | Qt::ItemIsEditable;
if (index.row() == 2) /* anchor */
return Qt::ItemIsEnabled;
return Qt::ItemIsEditable | Qt::ItemIsSelectable | Qt::ItemIsEnabled;
}
bool TagPropTableModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
if (!index.isValid())
return false;
if (role != Qt::EditRole)
return false;
if (index.row() == 1)
tag_cached.name = value.toString();
else if (index.row() < 3)
return false;
int idx = index.row() - 3;
if (index.column() == 0) { /* key changed */
/* move value to new key and delete old key */
tag_cached.metadata[value.toString()] = tag_cached.metadata[tag_keys[idx]];
tag_cached.metadata.remove(tag_keys[idx]);
} else {
tag_cached.metadata[tag_keys[idx]] = value.toString();
}
backend.updateTag(tag_cached);
return true;
}
void TagPropTableModel::tagChange(TagChange change, const Tag &tag)
{
if (tag.id != tag_cached.id)
return;
assert(change != TagChange::CREATED);
if (change == TagChange::CHANGED) {
showTag(tag);
} else if (change == TagChange::DELETED) {
beginResetModel();
tagIsValid = false;
endResetModel();
}
}
void TagPropTableModel::showTag(const Tag &tag)
{
beginResetModel();
tag_cached = tag;
tag_keys = tag_cached.metadata.keys();
tag_keys.sort();
endResetModel();
}
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