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Undo: make adding of weights an undoable action

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Introduce an AddWeight undo command. This is modelled after the
numerous dive-edit undo commands. The redo and undo actions are
connected to the WeightModel via two new signals, weightAdded
and weightRemoved.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2019-11-02 21:19:29 +01:00 • committed by Dirk Hohndel
parent 76a5a38f5e
commit 147a36647c
8 changed files with 76 additions and 14 deletions
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35
qt-models/weightmodel.cpp
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@ -15,6 +15,8 @@ WeightModel::WeightModel(QObject *parent) : CleanerTableModel(parent),
//enum Column {REMOVE, TYPE, WEIGHT};
setHeaderDataStrings(QStringList() << tr("") << tr("Type") << tr("Weight"));
connect(&diveListNotifier, &DiveListNotifier::weightsystemsReset, this, &WeightModel::weightsystemsReset);
connect(&diveListNotifier, &DiveListNotifier::weightAdded, this, &WeightModel::weightAdded);
connect(&diveListNotifier, &DiveListNotifier::weightRemoved, this, &WeightModel::weightRemoved);
}
weightsystem_t *WeightModel::weightSystemAt(const QModelIndex &index)
@ -146,17 +148,6 @@ int WeightModel::rowCount(const QModelIndex&) const
return rows;
}
void WeightModel::add()
{
int row = rows;
weightsystem_t ws { {0}, "" };
beginInsertRows(QModelIndex(), row, row);
add_cloned_weightsystem(&d->weightsystems, ws);
rows++;
changed = true;
endInsertRows();
}
void WeightModel::updateDive(dive *dIn)
{
beginResetModel();
@ -175,3 +166,25 @@ void WeightModel::weightsystemsReset(const QVector<dive *> &dives)
// And update the model..
updateDive(d);
}
void WeightModel::weightAdded(struct dive *changed, int pos)
{
if (d != changed)
return;
// The last row was already inserted by the undo command. Just inform the model.
beginInsertRows(QModelIndex(), pos, pos);
rows++;
endInsertRows();
}
void WeightModel::weightRemoved(struct dive *changed, int pos)
{
if (d != changed)
return;
// The row was already deleted by the undo command. Just inform the model.
beginRemoveRows(QModelIndex(), pos, pos);
rows--;
endRemoveRows();
}