New selections model.

1 files changed, 106 insertions, 0 deletions

diff --git a/dgedit/selection.cc b/dgedit/selection.cc
new file mode 100644
index 0000000..c0300a4
--- /dev/null
+++ b/dgedit/selection.cc
@@ -0,0 +1,106 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            selection.cc
+ *
+ *  Mon Apr 14 10:13:21 CEST 2014
+ *  Copyright 2014 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  DrumGizmo is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "selection.h"
+
+Selections::Selections()
+  : QObject(NULL)
+{
+  nextid = 0;
+  act = SEL_NONE;
+}
+
+sel_id_t Selections::add(Selection selection)
+{
+  sel_id_t id = nextid++;
+  sels[id] = selection;
+  added(id);
+  return id;
+}
+
+Selection Selections::get(sel_id_t id)
+{
+  if(sels.find(id) == sels.end()) {
+    Selection s(0,0,0,0);
+    return s;
+  }
+  return sels[id];
+}
+
+QVector<sel_id_t> Selections::ids()
+{
+  QVector<sel_id_t> v;
+
+  QMap<sel_id_t, Selection>::iterator i = sels.begin();
+  while(i != sels.end()) {
+    v.push_back(i.key());
+    i++;
+  }
+
+  return v;
+}
+
+void Selections::update(sel_id_t id, Selection selection)
+{
+  if(sels.find(id) != sels.end()) {
+    sels[id] = selection;
+    emit updated(id);
+  }
+}
+
+void Selections::remove(sel_id_t id)
+{
+  if(sels.find(id) != sels.end()) {
+    sels.erase(sels.find(id));
+    if(id == act) setActive(SEL_NONE);
+    emit removed(id);
+  }
+}
+
+void Selections::clear()
+{
+  QVector<sel_id_t> _ids = ids();
+  QVector<sel_id_t>::iterator i = _ids.begin();
+  while(i != _ids.end()) {
+    remove(*i);
+    i++;
+  }
+}
+
+void Selections::setActive(sel_id_t id)
+{
+  if(sels.find(id) != sels.end()) {
+    act = id;
+  } else {
+    act = SEL_NONE;
+  }
+  emit activeChanged(act);
+}
+
+sel_id_t Selections::active()
+{
+  return act;
+}