# HG changeset patch
# User Chris Cannam
# Date 1480066733 0
# Node ID dd195633fc9fd3735dcf49fb71c9d881ad55e1ce
# Parent  36aa947ec9629108da8abe39b37fb97c1e989514
Implement "Subdivide Selected Instants". Also add the relabel command to the history, which I previously forgot to do!

diff -r 36aa947ec962 -r dd195633fc9f framework/MainWindowBase.cpp
--- a/framework/MainWindowBase.cpp	Wed Nov 16 16:12:42 2016 +0000
+++ b/framework/MainWindowBase.cpp	Fri Nov 25 09:38:53 2016 +0000
@@ -625,6 +625,7 @@
     emit canInsertInstantsAtBoundaries(haveCurrentPane && haveSelection);
     emit canInsertItemAtSelection(haveCurrentPane && haveSelection && haveCurrentDurationLayer);
     emit canRenumberInstants(haveCurrentTimeInstantsLayer && haveSelection);
+    emit canSubdivideInstants(haveCurrentTimeInstantsLayer && haveSelection);
     emit canPlaySelection(haveMainModel && havePlayTarget && haveSelection);
     emit canClearSelection(haveSelection);
     emit canEditSelection(haveSelection && haveCurrentEditableLayer);
@@ -1217,9 +1218,34 @@
     Labeller labeller(*m_labeller);
     labeller.setSampleRate(sodm->getSampleRate());
 
-    // This uses a command
-
-    labeller.labelAll<SparseOneDimensionalModel::Point>(*sodm, &ms);
+    Command *c = labeller.labelAll<SparseOneDimensionalModel::Point>(*sodm, &ms);
+    if (c) CommandHistory::getInstance()->addCommand(c, false);
+}
+
+void
+MainWindowBase::subdivideInstantsBy(int n)
+{
+    Pane *pane = m_paneStack->getCurrentPane();
+    if (!pane) return;
+
+    Layer *layer = dynamic_cast<TimeInstantLayer *>(pane->getSelectedLayer());
+    if (!layer) return;
+
+    MultiSelection ms(m_viewManager->getSelection());
+    
+    Model *model = layer->getModel();
+    SparseOneDimensionalModel *sodm =
+        dynamic_cast<SparseOneDimensionalModel *>(model);
+    if (!sodm) return;
+
+    if (!m_labeller) return;
+
+    Labeller labeller(*m_labeller);
+    labeller.setSampleRate(sodm->getSampleRate());
+
+    Command *c = labeller.subdivide<SparseOneDimensionalModel::Point>
+        (*sodm, &ms, n);
+    if (c) CommandHistory::getInstance()->addCommand(c, false);
 }
 
 MainWindowBase::FileOpenStatus
diff -r 36aa947ec962 -r dd195633fc9f framework/MainWindowBase.h
--- a/framework/MainWindowBase.h	Wed Nov 16 16:12:42 2016 +0000
+++ b/framework/MainWindowBase.h	Fri Nov 25 09:38:53 2016 +0000
@@ -168,6 +168,7 @@
     void canInsertInstantsAtBoundaries(bool);
     void canInsertItemAtSelection(bool);
     void canRenumberInstants(bool);
+    void canSubdivideInstants(bool);
     void canDeleteCurrentLayer(bool);
     void canZoom(bool);
     void canScroll(bool);
@@ -275,6 +276,7 @@
     virtual void insertItemAtSelection();
     virtual void insertItemAt(sv_frame_t, sv_frame_t);
     virtual void renumberInstants();
+    virtual void subdivideInstantsBy(int);
 
     virtual void documentModified();
     virtual void documentRestored();