Add select-all, deselect-all and invert-selection options to filters

To every filter list add a context menu that allows selection of all,
selection of none or inversion of selection.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2017-12-24 14:34:53 +01:00
parent 7e744bc7aa
commit 5e86442bab
4 changed files with 30 additions and 0 deletions

View file

@ -100,6 +100,21 @@ void FilterModelBase::clearFilter()
emit dataChanged(createIndex(0,0), createIndex(rowCount()-1, 0));
}
void FilterModelBase::selectAll()
{
std::fill(checkState.begin(), checkState.end(), true);
anyChecked = true;
emit dataChanged(createIndex(0,0), createIndex(rowCount()-1, 0));
}
void FilterModelBase::invertSelection()
{
for (char &b: checkState)
b = !b;
anyChecked = std::any_of(checkState.begin(), checkState.end(), [](char b){return !!b;});
emit dataChanged(createIndex(0,0), createIndex(rowCount()-1, 0));
}
SuitsFilterModel::SuitsFilterModel(QObject *parent) : FilterModelBase(parent)
{
}

View file

@ -11,6 +11,8 @@ class FilterModelBase : public QStringListModel {
public:
virtual bool doFilter(struct dive *d, QModelIndex &index0, QAbstractItemModel *sourceModel) const = 0;
void clearFilter();
void selectAll();
void invertSelection();
std::vector<char> checkState;
bool anyChecked;
protected: