Files
Upsilon/apps/statistics/histogram_controller.h
Émilie Feral ff8fe2b498 [apps/statistics] Simplify histogram controller and resolve bugs: with
very large values, casting in float gives approximate values that
trigger bugs

Change-Id: I5aac31ad07f267f1b96ee3406b041e527cf247ba
2017-08-25 17:41:16 +02:00

59 lines
2.0 KiB
C++

#ifndef STATISTICS_HISTOGRAM_CONTROLLER_H
#define STATISTICS_HISTOGRAM_CONTROLLER_H
#include <escher.h>
#include "store.h"
#include "histogram_view.h"
#include "histogram_banner_view.h"
#include "histogram_parameter_controller.h"
#include "../shared/curve_view.h"
namespace Statistics {
class HistogramController : public ViewController, public ButtonRowDelegate, public AlternateEmptyViewDelegate {
public:
HistogramController(Responder * parentResponder, ButtonRowController * header, Store * store, uint32_t * m_storeVersion, uint32_t * m_barVersion, uint32_t * m_rangeVersion, int * m_selectedBarIndex);
const char * title() override;
View * view() override;
StackViewController * stackController();
HistogramParameterController * histogramParameterController();
bool handleEvent(Ion::Events::Event event) override;
void didBecomeFirstResponder() override;
int numberOfButtons(ButtonRowController::Position) const override;
Button * buttonAtIndex(int index, ButtonRowController::Position position) const override;
bool isEmpty() const override;
I18n::Message emptyMessage() override;
Responder * defaultController() override;
void viewWillAppear() override;
void willExitResponderChain(Responder * nextFirstResponder) override;
private:
constexpr static int k_maxNumberOfBarsPerWindow = 100;
constexpr static int k_maxIntervalLegendLength = 33;
constexpr static int k_maxLegendLength = 13;
constexpr static int k_maxNumberOfCharacters = 30;
Responder * tabController() const;
void reloadBannerView();
void initRangeParameters();
void initBarParameters();
void initBarSelection();
// return true if the window has scrolled
bool moveSelection(int deltaIndex);
HistogramBannerView m_bannerView;
HistogramView m_view;
Button m_settingButton;
Store * m_store;
uint32_t * m_storeVersion;
uint32_t * m_barVersion;
uint32_t * m_rangeVersion;
int * m_selectedBarIndex;
HistogramParameterController m_histogramParameterController;
};
}
#endif