[apps/shared] Factorize go to parameter controllers in parent class

(used in regression, graph, sequence)

Change-Id: I5e54bca17f9de7b21aeb705ea87818b064662904

apps/shared/function_go_to_parameter_controller.cpp

@@ -0,0 +1,44 @@
+#include "function_go_to_parameter_controller.h"
+#include "text_field_delegate_app.h"
+#include <assert.h>
+
+using namespace Poincare;
+
+namespace Shared {
+
+FunctionGoToParameterController::FunctionGoToParameterController(Responder * parentResponder, InteractiveCurveViewRange * graphRange, CurveViewCursor * cursor, I18n::Message symbol) :
+  GoToParameterController(parentResponder, graphRange, cursor, symbol),
+  m_function(nullptr)
+{
+}
+
+const char * FunctionGoToParameterController::title() {
+  return I18n::translate(I18n::Message::Goto);
+}
+
+float FunctionGoToParameterController::parameterAtIndex(int index) {
+  assert(index == 0);
+  return m_cursor->x();
+}
+
+bool FunctionGoToParameterController::setParameterAtIndex(int parameterIndex, float f) {
+  assert(parameterIndex == 0);
+  TextFieldDelegateApp * myApp = (TextFieldDelegateApp *)app();
+  float y = m_function->evaluateAtAbscissa(f, myApp->localContext());
+  if (fabsf(f) > k_maxDisplayableFloat || fabsf(y) > k_maxDisplayableFloat) {
+    app()->displayWarning(I18n::Message::ForbiddenValue);
+    return false;
+  }
+  if (isnan(y) || isinf(y)) {
+    app()->displayWarning(I18n::Message::ValueNotReachedByFunction);
+    return false;
+  }
+  m_cursor->moveTo(f, y);
+  return true;
+}
+
+void FunctionGoToParameterController::setFunction(Function * function) {
+  m_function = function;
+}
+
+}