diff widgets/MIDIFileImportDialog.cpp @ 378:22b72f0f6a4e

* More work to abstract out interactive components used in the data library,
  so that it does not need to depend on QtGui.

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widgets/MIDIFileImportDialog.cpp	Fri Mar 14 17:14:21 2008 +0000
@@ -0,0 +1,72 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Visualiser
+    An audio file viewer and annotation editor.
+    Centre for Digital Music, Queen Mary, University of London.
+    
+    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 "MIDIFileImportDialog.h"
+
+#include <QMessageBox>
+#include <QInputDialog>
+
+MIDIFileImportDialog::MIDIFileImportDialog(QWidget *parent) :
+    m_parent(parent)
+{
+}
+
+MIDIFileImportDialog::TrackPreference
+MIDIFileImportDialog::getTrackImportPreference(QStringList displayNames,
+                                               bool haveSomePercussion,
+                                               QString &singleTrack) const
+{
+    QStringList available;
+
+    QString allTracks = tr("Merge all tracks");
+    QString allNonPercussion = tr("Merge all non-percussion tracks");
+
+    singleTrack = "";
+
+    int nonTrackItems = 1;
+    
+    available << allTracks;
+
+    if (haveSomePercussion) {
+        available << allNonPercussion;
+        ++nonTrackItems;
+    }
+
+    available << displayNames;
+
+    bool ok = false;
+    QString selected = QInputDialog::getItem
+        (0, tr("Select track or tracks to import"),
+         tr("<b>Select track to import</b><p>You can only import this file as a single annotation layer, but the file contains more than one track, or notes on more than one channel.<p>Please select the track or merged tracks you wish to import:"),
+         available, 0, false, &ok);
+    
+    if (!ok || selected.isEmpty()) return ImportNothing;
+
+    TrackPreference pref;
+    if (selected == allTracks) pref = MergeAllTracks;
+    else if (selected == allNonPercussion) pref = MergeAllNonPercussionTracks;
+    else {
+        singleTrack = selected;
+        pref = ImportSingleTrack;
+    }
+
+    return pref;
+}
+
+void
+MIDIFileImportDialog::showError(QString error)
+{
+    QMessageBox::critical(0, tr("Error in MIDI file import"), error);
+}
+