[apps/sequence/graph] Create a class banner view

Change-Id: Ie619eab80a150e8a2c42a2861d42b95357dd848c

apps/sequence/Makefile

@@ -1,5 +1,6 @@
 app_objs += $(addprefix apps/sequence/,\
   app.o\
+  graph/banner_view.o\
   list/list_controller.o\
   list/list_parameter_controller.o\
   list/sequence_toolbox.o\

apps/sequence/graph/banner_view.cpp

@@ -0,0 +1,20 @@
+#include "banner_view.h"
+
+namespace Sequence {
+
+BannerView::BannerView() :
+  m_abscissaView(KDText::FontSize::Small, 0.5f, 0.5f, KDColorBlack, Palette::GreyMiddle),
+  m_sequenceView(KDText::FontSize::Small, 0.5f, 0.5f, KDColorBlack, Palette::GreyMiddle)
+{
+}
+
+int BannerView::numberOfSubviews() const {
+  return 2;
+}
+
+TextView * BannerView::textViewAtIndex(int i) {
+  TextView * views[2] = {&m_abscissaView, &m_sequenceView};
+  return views[i];
+}
+
+}

apps/sequence/graph/banner_view.h

@@ -0,0 +1,21 @@
+#ifndef SEQUENCE_BANNER_VIEW_H
+#define SEQUENCE_BANNER_VIEW_H
+
+#include <escher.h>
+#include "../../shared/banner_view.h"
+
+namespace Sequence {
+
+class BannerView : public Shared::BannerView {
+public:
+  BannerView();
+private:
+  int numberOfSubviews() const override;
+  TextView * textViewAtIndex(int i) override;
+  BufferTextView m_abscissaView;
+  BufferTextView m_sequenceView;
+};
+
+}
+
+#endif