From cec3cd8523b1c408e1ec51f4d551360eeb7eff6f Mon Sep 17 00:00:00 2001
From: Mark Watkins <jedimark@users.sourceforge.net>
Date: Thu, 28 Aug 2014 00:08:18 +1000
Subject: [PATCH] Hide snapshots on empty days

---
 sleepyhead/Graphs/gGraph.cpp     | 6 +++++-
 sleepyhead/Graphs/gGraphView.cpp | 3 ++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/sleepyhead/Graphs/gGraph.cpp b/sleepyhead/Graphs/gGraph.cpp
index 66ca4015..48d8f104 100644
--- a/sleepyhead/Graphs/gGraph.cpp
+++ b/sleepyhead/Graphs/gGraph.cpp
@@ -129,6 +129,7 @@ gGraph::gGraph(QString name, gGraphView *graphview, QString title, QString units
 
     m_layers.clear();
 
+    m_issnapshot = false;
     f_miny = f_maxy = 0;
     rmin_x = rmin_y = 0;
     rmax_x = rmax_y = 0;
@@ -216,7 +217,9 @@ bool gGraph::isSelected()
 
 bool gGraph::isEmpty()
 {
-    if (m_issnapshot) return false;
+    if (m_issnapshot) {
+        return graphView()->isEmpty();
+    }
 
     bool empty = true;
 
@@ -227,6 +230,7 @@ bool gGraph::isEmpty()
         }
     }
 
+
     return empty;
 }
 
diff --git a/sleepyhead/Graphs/gGraphView.cpp b/sleepyhead/Graphs/gGraphView.cpp
index ed539c75..55d821fc 100644
--- a/sleepyhead/Graphs/gGraphView.cpp
+++ b/sleepyhead/Graphs/gGraphView.cpp
@@ -2929,7 +2929,8 @@ bool gGraphView::isEmpty()
     bool res = true;
 
     for (int i = 0; i < m_graphs.size(); i++) {
-        if (!m_graphs.at(i)->isEmpty()) {
+        gGraph * graph = m_graphs.at(i);
+        if (!graph->isSnapshot() && !graph->isEmpty()) {
             res = false;
             break;
         }