[apps/sequence] Forbid negative values and round float in values table and interval

settings.

Change-Id: Idf18b42dbba1c5cae940bb98cae57b67e7b6a4fd

apps/sequence/values/interval_parameter_controller.cpp

@@ -0,0 +1,37 @@
+#include "interval_parameter_controller.h"
+
+using namespace Shared;
+
+namespace Sequence {
+
+IntervalParameterController::IntervalParameterController(Responder * parentResponder, Interval * interval) :
+  Shared::IntervalParameterController(parentResponder, interval)
+{
+}
+
+void IntervalParameterController::willDisplayCellForIndex(HighlightCell * cell, int index) {
+  if (index == numberOfRows()-1) {
+    return;
+  }
+  MessageTableCellWithEditableText * myCell = (MessageTableCellWithEditableText *)cell;
+  I18n::Message labels[k_totalNumberOfCell] = {I18n::Message::XStart, I18n::Message::XEnd, I18n::Message::XStep};
+  myCell->setMessage(labels[index]);
+  FloatParameterController::willDisplayCellForIndex(cell, index);
+}
+
+bool IntervalParameterController::setParameterAtIndex(int parameterIndex, float f) {
+  if (f <= 0) {
+    app()->displayWarning(I18n::Message::ForbiddenValue);
+    return false;
+  }
+  SetterPointer setters[k_totalNumberOfCell] = {&Interval::setStart, &Interval::setEnd, &Interval::setStep};
+  float parameter = roundf(f);
+  if (parameterIndex == 2 && parameter == 0.0f) {
+    parameter = 1.0f;
+  }
+  (m_interval->*setters[parameterIndex])(parameter);
+  return true;
+}
+
+}
+