[apps/statistics] Create a class Histogram parameter controller

Change-Id: I269ef1faa0aaecbd6d328ab0985dd428ae387702

apps/statistics/histogram_parameter_controller.cpp

@@ -0,0 +1,57 @@
+#include "histogram_parameter_controller.h"
+#include "app.h"
+#include <assert.h>
+
+namespace Statistics {
+
+HistogramParameterController::HistogramParameterController(Responder * parentResponder, Data * data) :
+  FloatParameterController(parentResponder),
+  m_binWidthCell(EditableTextMenuListCell(&m_selectableTableView, this, m_draftTextBuffer, (char*)"Largeur des rectanges : ")),
+  m_minValueCell(EditableTextMenuListCell(&m_selectableTableView, this, m_draftTextBuffer, (char*)"Debut de la serie : ")),
+  m_data(data)
+{
+}
+
+ExpressionTextFieldDelegate * HistogramParameterController::textFieldDelegate() {
+  ExpressionTextFieldDelegate * myApp = (ExpressionTextFieldDelegate *)app();
+  return myApp;
+}
+
+const char * HistogramParameterController::title() const {
+  return "Histogramme";
+}
+
+float HistogramParameterController::parameterAtIndex(int index) {
+  assert(index >= 0 && index < 2);
+  if (index == 0) {
+    return m_data->binWidth();
+  }
+  return m_data->minValue();
+}
+
+void HistogramParameterController::setParameterAtIndex(int parameterIndex, float f) {
+  assert(parameterIndex >= 0 && parameterIndex < 2);
+  if (parameterIndex == 0) {
+    m_data->setBinWidth(f);
+  } else {
+    m_data->setMinValue(f);
+  }
+}
+
+int HistogramParameterController::numberOfRows() {
+  return 2;
+};
+
+TableViewCell * HistogramParameterController::reusableCell(int index) {
+  assert(index >= 0 && index < 2);
+  if (index == 0) {
+    return &m_binWidthCell;
+  }
+  return &m_minValueCell;
+}
+
+int HistogramParameterController::reusableCellCount() {
+  return 2;
+}
+
+}