1 files changed, 105 insertions, 0 deletions
diff --git a/src/commands/notation/EraseEventCommand.cpp b/src/commands/notation/EraseEventCommand.cpp
new file mode 100644
index 0000000..e599079
--- /dev/null
+++ b/src/commands/notation/EraseEventCommand.cpp
@@ -0,0 +1,105 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Rosegarden
+    A MIDI and audio sequencer and musical notation editor.
+ 
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <[email protected]>,
+        Chris Cannam        <[email protected]>,
+        Richard Bown        <[email protected]>
+ 
+    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+    Bown to claim authorship of this work have been asserted.
+ 
+    Other copyrights also apply to some parts of this work.  Please
+    see the AUTHORS file and individual file headers for details.
+ 
+    This program 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.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+
+#include "EraseEventCommand.h"
+
+#include "misc/Strings.h"
+#include "base/Event.h"
+#include "base/NotationTypes.h"
+#include "base/Segment.h"
+#include "base/SegmentNotationHelper.h"
+#include "document/BasicCommand.h"
+#include "gui/editors/notation/NotationProperties.h"
+
+
+namespace Rosegarden
+{
+
+EraseEventCommand::EraseEventCommand(Segment &segment,
+                                     Event *event,
+                                     bool collapseRest) :
+        BasicCommand(strtoqstr(makeName(event->getType())),
+                     segment,
+                     event->getAbsoluteTime(),
+                     event->getAbsoluteTime() + event->getDuration(),
+                     true),
+        m_collapseRest(collapseRest),
+        m_event(event),
+        m_relayoutEndTime(getEndTime())
+{
+    // nothing
+}
+
+EraseEventCommand::~EraseEventCommand()
+{
+    // nothing
+}
+
+std::string
+EraseEventCommand::makeName(std::string e)
+{
+    std::string n = "Erase ";
+    n += (char)toupper(e[0]);
+    n += e.substr(1);
+    return n;
+}
+
+timeT
+EraseEventCommand::getRelayoutEndTime()
+{
+    return m_relayoutEndTime;
+}
+
+void
+EraseEventCommand::modifySegment()
+{
+    SegmentNotationHelper helper(getSegment());
+
+    if (m_event->isa(Clef::EventType) ||
+            m_event->isa(Key ::EventType)) {
+
+        m_relayoutEndTime = helper.segment().getEndTime();
+
+    } else if (m_event->isa(Indication::EventType)) {
+
+        try {
+            Indication indication(*m_event);
+            if (indication.isOttavaType()) {
+
+                for (Segment::iterator i = getSegment().findTime
+                                           (m_event->getAbsoluteTime());
+                        i != getSegment().findTime
+                        (m_event->getAbsoluteTime() + indication.getIndicationDuration());
+                        ++i) {
+                    (*i)->unset(NotationProperties::OTTAVA_SHIFT);
+                }
+            }
+        } catch (...) {}
+    }
+
+    helper.deleteEvent(m_event, m_collapseRest);
+}
+
+}