Initial Commit

2018-02-08 21:28:33 -05:00
commit 678c1d3966
14352 changed files with 3176737 additions and 0 deletions
@@ -0,0 +1,41 @@
+#ifndef CANDIDATE_KEY_FILTER_HPP_
+#define CANDIDATE_KEY_FILTER_HPP_
+
+#include <QSortFilterProxyModel>
+#include <QModelIndex>
+
+#include "pimpl_h.hpp"
+
+class QAbstractItemModel;
+
+class CandidateKeyFilter final
+  : public QSortFilterProxyModel
+{
+public:
+  explicit CandidateKeyFilter (QAbstractItemModel * referenced_model
+                               , int referenced_key_column
+                               , QObject * parent = nullptr
+                               , int referenced_key_role = Qt::EditRole);
+  explicit CandidateKeyFilter (QAbstractItemModel * referenced_model
+                               , QAbstractItemModel const * referencing_model
+                               , int referenced_key_column
+                               , int referencing_key_column
+                               , QObject * parent = nullptr
+                               , int referenced_key_role = Qt::EditRole
+                               , int referencing_key_role = Qt::EditRole);
+  ~CandidateKeyFilter ();
+
+  // this key is not to be filtered, usually because we want to allow
+  // it since we are editing the row that contains it this it is valid
+  // even though it is in use
+  void set_active_key (QModelIndex const& index = QModelIndex {});
+
+protected:
+  bool filterAcceptsRow (int candidate_row, QModelIndex const& candidate_parent) const override;
+
+private:
+  class impl;
+  pimpl<impl> m_;
+};
+
+#endif