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We memoize the checksum of the x first models, and we check that one of these models is still present when the graph view appears. If so, we do not reload the range, other wise we reload it. Scenario: f(t) = [t^2 t+1] in parametric Display the graph f(x) = 1 on ]-inf;0] g(x) = 2 on [0;inf[ Display the graph -> the range did not change
80 lines
3.3 KiB
C++
80 lines
3.3 KiB
C++
#ifndef REGRESSION_GRAPH_CONTROLLER_H
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#define REGRESSION_GRAPH_CONTROLLER_H
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#include "banner_view.h"
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#include "store.h"
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#include "graph_options_controller.h"
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#include "graph_view.h"
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#include "initialisation_parameter_controller.h"
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#include "../shared/interactive_curve_view_controller.h"
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#include "../shared/curve_view_cursor.h"
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#include "../shared/cursor_view.h"
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#include "../shared/round_cursor_view.h"
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namespace Regression {
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class GraphController : public Shared::InteractiveCurveViewController {
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public:
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static constexpr size_t sNumberOfMemoizedModelVersions = Store::k_numberOfSeries;
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GraphController(Responder * parentResponder, InputEventHandlerDelegate * inputEventHandlerDelegate, ButtonRowController * header, Store * store, Shared::CurveViewCursor * cursor, uint32_t * modelVersion, uint32_t * previousModelsVersions, uint32_t * rangeVersion, int * selectedDotIndex, int * selectedSeriesIndex);
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ViewController * initialisationParameterController() override;
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bool isEmpty() const override;
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I18n::Message emptyMessage() override;
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void viewWillAppear() override;
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void selectRegressionCurve() { *m_selectedDotIndex = -1; }
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int selectedSeriesIndex() const { return *m_selectedSeriesIndex; }
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// moveCursorHorizontally and Vertically are public to be used in tests
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bool moveCursorHorizontally(int direction, bool fast = false) override;
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bool moveCursorVertically(int direction) override;
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private:
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constexpr static int k_maxLegendLength = 16;
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constexpr static int k_maxNumberOfCharacters = 50;
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Poincare::Context * globalContext();
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// SimpleInteractiveCurveViewController
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void reloadBannerView() override;
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Shared::InteractiveCurveViewRange * interactiveCurveViewRange() override;
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Shared::CurveView * curveView() override;
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bool handleEnter() override;
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// InteractiveCurveViewController
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void initCursorParameters() override;
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uint32_t modelVersion() override;
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uint32_t modelVersionAtIndex(size_t i) override;
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uint32_t rangeVersion() override;
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size_t numberOfMemoizedVersions() const override { return sNumberOfMemoizedModelVersions; }
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int selectedCurveIndex() const override { return *m_selectedSeriesIndex; }
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bool closestCurveIndexIsSuitable(int newIndex, int currentIndex) const override;
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Poincare::Coordinate2D<double> xyValues(int curveIndex, double x, Poincare::Context * context) const override;
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double yValue(int curveIndex, double x, Poincare::Context * context) const;
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bool suitableYValue(double y) const override;
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int numberOfCurves() const override;
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int estimatedBannerNumberOfLines() const override;
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// InteractiveCurveViewRangeDelegate
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Shared::InteractiveCurveViewRangeDelegate::Range computeYRange(Shared::InteractiveCurveViewRange * interactiveCurveViewRange) override;
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void setRoundCrossCursorView();
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Shared::CursorView m_crossCursorView;
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Shared::RoundCursorView m_roundCursorView;
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BannerView m_bannerView;
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GraphView m_view;
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Store * m_store;
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InitialisationParameterController m_initialisationParameterController;
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GraphOptionsController m_graphOptionsController;
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/* The selectedDotIndex is -1 when no dot is selected, m_numberOfPairs when
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* the mean dot is selected and the dot index otherwise */
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int * m_selectedDotIndex;
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int * m_selectedSeriesIndex;
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Model::Type m_modelType[Store::k_numberOfSeries];
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};
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}
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#endif
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