From 2f946e79877e9c0696bd9833d963494397dbdf5a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9a=20Saviot?= <lea.saviot@numworks.com>
Date: Thu, 30 Aug 2018 17:39:10 +0200
Subject: [PATCH] [apps/regression] Add private method globalContext on
 GraphController

---
 apps/regression/graph_controller.cpp | 12 +++++++-----
 apps/regression/graph_controller.h   |  1 +
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/apps/regression/graph_controller.cpp b/apps/regression/graph_controller.cpp
index 650f67e99..4a427c4fc 100644
--- a/apps/regression/graph_controller.cpp
+++ b/apps/regression/graph_controller.cpp
@@ -68,6 +68,10 @@ void GraphController::selectRegressionCurve() {
   m_roundCursorView.setColor(Palette::DataColor[*m_selectedSeriesIndex]);
 }
 
+Poincare::Context * GraphController::globalContext() {
+  return const_cast<AppsContainer *>(static_cast<const AppsContainer *>(app()->container()))->globalContext();
+}
+
 CurveView * GraphController::curveView() {
   return &m_view;
 }
@@ -157,8 +161,7 @@ void GraphController::reloadBannerView() {
   m_bannerView.setMessageAtIndex(model->formulaMessage(), 3);
 
   // Get the coefficients
-  Poincare::Context * globContext = const_cast<AppsContainer *>(static_cast<const AppsContainer *>(app()->container()))->globalContext();
-  double * coefficients = m_store->coefficientsForSeries(selectedSeriesIndex(), globContext);
+  double * coefficients = m_store->coefficientsForSeries(selectedSeriesIndex(), globalContext());
   bool coefficientsAreDefined = true;
   for (int i = 0; i < model->numberOfCoefficients(); i++) {
     if (std::isnan(coefficients[i])) {
@@ -259,8 +262,7 @@ bool GraphController::moveCursorHorizontally(int direction) {
   }
   double x = direction > 0 ? m_cursor->x() + m_store->xGridUnit()/k_numberOfCursorStepsInGradUnit :
   m_cursor->x() - m_store->xGridUnit()/k_numberOfCursorStepsInGradUnit;
-  Poincare::Context * globContext = const_cast<AppsContainer *>(static_cast<const AppsContainer *>(app()->container()))->globalContext();
-  double y = m_store->yValueForXValue(*m_selectedSeriesIndex, x, globContext);
+  double y = m_store->yValueForXValue(*m_selectedSeriesIndex, x, globalContext());
   m_cursor->moveTo(x, y);
   m_store->panToMakePointVisible(x, y, cursorTopMarginRatio(), k_cursorRightMarginRatio, cursorBottomMarginRatio(), k_cursorLeftMarginRatio);
   return true;
@@ -270,7 +272,7 @@ bool GraphController::moveCursorVertically(int direction) {
   int closestRegressionSeries = -1;
   int closestDotSeries = -1;
   int dotSelected = -1;
-  Poincare::Context * globContext = const_cast<AppsContainer *>(static_cast<const AppsContainer *>(app()->container()))->globalContext();
+  Poincare::Context * globContext = globalContext();
 
   if (*m_selectedDotIndex == -1) {
     // The current cursor is on a regression
diff --git a/apps/regression/graph_controller.h b/apps/regression/graph_controller.h
index bf3abb67d..1a2a9cda1 100644
--- a/apps/regression/graph_controller.h
+++ b/apps/regression/graph_controller.h
@@ -28,6 +28,7 @@ private:
   constexpr static int k_maxLegendLength = 16;
   constexpr static int k_maxNumberOfCharacters = 50;
   constexpr static float k_viewHeight = 174.0f;
+  Poincare::Context * globalContext();
   Shared::CurveView * curveView() override;
   Shared::InteractiveCurveViewRange * interactiveCurveViewRange() override;
   bool handleEnter() override;