Update filters on refreshDisplay and remember old selecttions

Update the filters if the list of dives is updated by calling
MultiFilterSortModel::instance()->myInvalidate();
This had the side effect of clearing all selections. Thus, in
the repopulate() methods of the FilterModels, check those
entries that were checked previously. Since all the filter
models use the same code, introduce a base class FilterModelBase.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

1 files changed, 10 insertions, 4 deletions

diff --git a/qt-models/filtermodels.h b/qt-models/filtermodels.h
index cda6e2369..3060f7cf3 100644
--- a/qt-models/filtermodels.h
+++ b/qt-models/filtermodels.h
@@ -16,7 +16,13 @@ public:
 	bool anyChecked;
 };
 
-class TagFilterModel : public QStringListModel, public MultiFilterInterface {
+class FilterModelBase : public QStringListModel, public MultiFilterInterface {
+protected:
+	explicit FilterModelBase(QObject *parent = 0);
+	void updateList(const QStringList &new_list);
+};
+
+class TagFilterModel : public FilterModelBase {
 	Q_OBJECT
 public:
 	static TagFilterModel *instance();
@@ -33,7 +39,7 @@ private:
 	explicit TagFilterModel(QObject *parent = 0);
 };
 
-class BuddyFilterModel : public QStringListModel, public MultiFilterInterface {
+class BuddyFilterModel : public FilterModelBase {
 	Q_OBJECT
 public:
 	static BuddyFilterModel *instance();
@@ -50,7 +56,7 @@ private:
 	explicit BuddyFilterModel(QObject *parent = 0);
 };
 
-class LocationFilterModel : public QStringListModel, public MultiFilterInterface {
+class LocationFilterModel : public FilterModelBase {
 	Q_OBJECT
 public:
 	static LocationFilterModel *instance();
@@ -67,7 +73,7 @@ private:
 	explicit LocationFilterModel(QObject *parent = 0);
 };
 
-class SuitsFilterModel : public QStringListModel, public MultiFilterInterface {
+class SuitsFilterModel : public FilterModelBase {
 	Q_OBJECT
 public:
 	static SuitsFilterModel *instance();