1 files changed, 127 insertions, 0 deletions
diff --git a/src/commands/segment/DeleteRangeCommand.cpp b/src/commands/segment/DeleteRangeCommand.cpp
new file mode 100644
index 0000000..05ec79f
--- /dev/null
+++ b/src/commands/segment/DeleteRangeCommand.cpp
@@ -0,0 +1,127 @@
+/* -*- 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   <glaurent@telegraph-road.org>,
+        Chris Cannam        <cannam@all-day-breakfast.com>,
+        Richard Bown        <richard.bown@ferventsoftware.com>
+ 
+    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 "DeleteRangeCommand.h"
+
+#include "AudioSegmentSplitCommand.h"
+#include "base/Composition.h"
+#include "base/Segment.h"
+#include "base/Selection.h"
+#include "EraseSegmentsStartingInRangeCommand.h"
+#include "OpenOrCloseRangeCommand.h"
+#include "SegmentJoinCommand.h"
+#include "SegmentSplitCommand.h"
+
+
+namespace Rosegarden
+{
+
+DeleteRangeCommand::DeleteRangeCommand(Composition *composition,
+                                       timeT t0, timeT t1) :
+        KMacroCommand(i18n("Delete Range"))
+{
+    // First add commands to split the segments up.  Make a note of
+    // segments that will need rejoining with their neighbours
+    // afterwards.
+
+    std::vector<Segment *> rejoins;
+
+    for (int e = 0; e < 2; ++e) {
+
+        // Split all segments at the range end first, then the range
+        // begin afterwards.  This is because the split commands create
+        // new segments for the right part and leave the left parts in
+        // the original segments, so that we can use the same segment
+        // pointer to do the left split as we did for the right
+
+        timeT t = t1;
+        if (e == 1)
+            t = t0;
+
+        for (Composition::iterator i = composition->begin();
+                i != composition->end(); ++i) {
+
+            if ((*i)->getStartTime() >= t || (*i)->getEndMarkerTime() <= t) {
+                continue;
+            }
+
+            if ((*i)->getType() == Segment::Audio) {
+                addCommand(new AudioSegmentSplitCommand(*i, t));
+            } else {
+                addCommand(new SegmentSplitCommand(*i, t));
+
+                if (t == t0 && (*i)->getEndMarkerTime() > t1) {
+                    rejoins.push_back(*i);
+                }
+            }
+        }
+    }
+
+    // Then commands to do the rest of the work
+
+    addCommand(new EraseSegmentsStartingInRangeCommand(composition, t0, t1));
+
+    addCommand(new OpenOrCloseRangeCommand(composition, t0, t1, false));
+
+    for (std::vector<Segment *>::iterator i = rejoins.begin();
+            i != rejoins.end(); ++i) {
+        addCommand(new RejoinCommand(composition, *i,
+                                     (*i)->getEndMarkerTime() + t0 - t1));
+    }
+}
+
+DeleteRangeCommand::~DeleteRangeCommand()
+{}
+
+void
+DeleteRangeCommand::RejoinCommand::execute()
+{
+    if (m_joinCommand) {
+        m_joinCommand->execute();
+        return ;
+    }
+
+    //!!! Need to remove the "(split)" names from the segment bits
+
+    for (Composition::iterator i = m_composition->begin();
+            i != m_composition->end(); ++i) {
+        if ((*i) == m_segment)
+            continue;
+        if ((*i)->getTrack() != m_segment->getTrack())
+            continue;
+        if ((*i)->getEndMarkerTime() != m_endMarkerTime)
+            continue;
+        if ((*i)->getStartTime() <= m_segment->getStartTime())
+            continue;
+        SegmentSelection selection;
+        selection.insert(m_segment);
+        selection.insert(*i);
+        m_joinCommand = new SegmentJoinCommand(selection);
+        m_joinCommand->execute();
+        break;
+    }
+}
+
+}