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f38c6ed3d1
to the models (Sequence or CartesianFunction) and CartesianFunction::sumBetweenBounds takes into account the function domain
85 lines
3.6 KiB
C++
85 lines
3.6 KiB
C++
#ifndef SHARED_SUM_GRAPH_CONTROLLER_H
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#define SHARED_SUM_GRAPH_CONTROLLER_H
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#include <escher.h>
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#include <poincare/print_float.h>
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#include "function_graph_view.h"
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#include "vertical_cursor_view.h"
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#include "simple_interactive_curve_view_controller.h"
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#include "function.h"
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#include "text_field_delegate.h"
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#include "expiring_pointer.h"
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namespace Shared {
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class SumGraphController : public SimpleInteractiveCurveViewController {
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public:
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SumGraphController(Responder * parentResponder, InputEventHandlerDelegate * inputEventHandlerDelegate, FunctionGraphView * curveView, InteractiveCurveViewRange * range, CurveViewCursor * cursor, CodePoint sumSymbol);
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void viewWillAppear() override;
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void didEnterResponderChain(Responder * previousFirstResponder) override;
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bool handleEvent(Ion::Events::Event event) override;
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void setRecord(Ion::Storage::Record record);
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bool textFieldDidFinishEditing(TextField * textField, const char * text, Ion::Events::Event event) override;
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protected:
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virtual bool moveCursorHorizontallyToPosition(double position);
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enum class Step {
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FirstParameter = 0,
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SecondParameter = 1,
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Result = 2
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};
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Step m_step;
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double m_startSum;
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Ion::Storage::Record m_record;
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InteractiveCurveViewRange * m_graphRange;
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private:
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float cursorTopMarginRatio() override { return 0.06f; }
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float cursorBottomMarginRatio() override { return 0.28f; }
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bool handleLeftRightEvent(Ion::Events::Event event) override;
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bool handleEnter() override;
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void reloadBannerView() override;
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Shared::InteractiveCurveViewRange * interactiveCurveViewRange() override { return m_graphRange; }
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Shared::CurveView * curveView() override { return m_graphView; }
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virtual I18n::Message legendMessageAtStep(Step step) = 0;
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virtual double cursorNextStep(double position, int direction) = 0;
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virtual Poincare::Layout createFunctionLayout(ExpiringPointer<Function> function) = 0;
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class LegendView : public View {
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public:
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LegendView(SumGraphController * controller, InputEventHandlerDelegate * inputEventHandlerDelegate, CodePoint sumSymbol);
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LegendView(const LegendView& other) = delete;
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LegendView(LegendView&& other) = delete;
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LegendView& operator=(const LegendView& other) = delete;
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LegendView& operator=(LegendView&& other) = delete;
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TextField * textField() { return &m_editableZone; }
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KDSize minimalSizeForOptimalDisplay() const override;
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void drawRect(KDContext * ctx, KDRect rect) const override;
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void setLegendMessage(I18n::Message message, Step step);
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void setEditableZone(double d);
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void setSumSymbol(Step step, double start, double end, double result, Poincare::Layout functionLayout);
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private:
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constexpr static KDCoordinate k_editableZoneBufferSize = Poincare::PrintFloat::k_maxFloatBufferSize;
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constexpr static KDCoordinate k_legendHeight = 35;
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constexpr static const KDFont * k_font = KDFont::SmallFont;
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static KDCoordinate editableZoneWidth() { return 12*k_font->glyphSize().width(); }
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static KDCoordinate editableZoneHeight() { return k_font->glyphSize().height(); }
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constexpr static KDCoordinate k_symbolHeightMargin = 8;
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constexpr static KDCoordinate k_sigmaHeight = 18;
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int numberOfSubviews() const override { return 3; }
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View * subviewAtIndex(int index) override;
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void layoutSubviews() override;
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void layoutSubviews(Step step);
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ExpressionView m_sum;
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Poincare::Layout m_sumLayout;
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MessageTextView m_legend;
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TextField m_editableZone;
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char m_textBuffer[k_editableZoneBufferSize];
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CodePoint m_sumSymbol;
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};
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FunctionGraphView * m_graphView;
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LegendView m_legendView;
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VerticalCursorView m_cursorView;
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};
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}
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#endif
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