[apps/graph/list] Create a class for the button new function

Change-Id: Id9a03b9c7047ca709ee29298f10f7dde216e259a

apps/graph/Makefile

@@ -10,6 +10,7 @@ app_objs += $(addprefix apps/graph/,\
   list/function_cell.o\
   list/function_expression_view.o\
   list/function_name_view.o\
+  list/new_function_cell.o\
   list/list_controller.o\
   list/parameter_controller.o\
   values/abscissa_parameter_controller.o\

apps/graph/list/new_function_cell.cpp

@@ -0,0 +1,30 @@
+#include "new_function_cell.h"
+#include "assert.h"
+
+namespace Graph {
+
+NewFunctionCell::NewFunctionCell() :
+  EvenOddCell(),
+  m_pointerTextView(PointerTextView("Ajouter une fonction", 0.5f, 0.5f))
+{
+}
+
+void NewFunctionCell::reloadCell() {
+  EvenOddCell::reloadCell();
+  m_pointerTextView.setBackgroundColor(backgroundColor());
+}
+
+int NewFunctionCell::numberOfSubviews() const {
+  return 1;
+}
+
+View * NewFunctionCell::subviewAtIndex(int index) {
+  assert(index == 0);
+  return &m_pointerTextView;
+}
+
+void NewFunctionCell::layoutSubviews() {
+  m_pointerTextView.setFrame(bounds());
+}
+
+}

apps/graph/list/new_function_cell.h

@@ -0,0 +1,22 @@
+#ifndef GRAPH_NEW_FUNCTION_CELL_H
+#define GRAPH_NEW_FUNCTION_CELL_H
+
+#include <escher.h>
+#include "../even_odd_cell.h"
+
+namespace Graph {
+class NewFunctionCell : public EvenOddCell {
+public:
+  NewFunctionCell();
+  void reloadCell() override;
+  int numberOfSubviews() const override;
+  View * subviewAtIndex(int index) override;
+  void layoutSubviews() override;
+
+protected:
+  PointerTextView m_pointerTextView;
+};
+
+}
+
+#endif