solutions_controller.h
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#ifndef SOLVER_SOLUTIONS_CONTROLLER_H
#define SOLVER_SOLUTIONS_CONTROLLER_H
#include <escher.h>
#include "equation_store.h"
#include "../shared/scrollable_exact_approximate_expressions_cell.h"
#include "../i18n.h"
namespace Solver {
class SolutionsController : public ViewController, public AlternateEmptyViewDelegate, public SelectableTableViewDataSource, public TableViewDataSource {
public:
SolutionsController(Responder * parentResponder, EquationStore * equationStore);
~SolutionsController();
/* ViewController */
const char * title() override;
View * view() override;
void viewWillAppear() override;
/* AlternateEmptyViewDelegate */
bool isEmpty() const override;
virtual I18n::Message emptyMessage() override;
virtual Responder * defaultController() override;
/* TableViewDataSource */
int numberOfRows() override;
int numberOfColumns() override;
void willDisplayCellAtLocation(HighlightCell * cell, int i, int j) override;
KDCoordinate columnWidth(int i) override;
KDCoordinate rowHeight(int j) override;
KDCoordinate cumulatedWidthFromIndex(int i) override;
int indexFromCumulatedWidth(KDCoordinate offsetX) override;
HighlightCell * reusableCell(int index, int type) override;
int reusableCellCount(int type) override;
int typeAtLocation(int i, int j) override;
/* Responder */
void didBecomeFirstResponder() override;
private:
class ContentView : public View {
public:
ContentView(SolutionsController * controller);
void drawRect(KDContext * ctx, KDRect rect) const override;
void setWarningMoreSolutions(bool warning);
SelectableTableView * selectableTableView() {
return &m_selectableTableView;
}
private:
constexpr static KDCoordinate k_topMargin = 50;
int numberOfSubviews() const override;
View * subviewAtIndex(int index) override;
void layoutSubviews() override;
MessageTextView m_warningMessageView0;
MessageTextView m_warningMessageView1;
SelectableTableView m_selectableTableView;
bool m_displayWarningMoreSolutions;
};
constexpr static int k_symbolCellWidth = 90;
constexpr static int k_valueCellWidth = 190;
constexpr static KDCoordinate k_defaultCellHeight = 20;
EquationStore * m_equationStore;
EvenOddBufferTextCell m_symbolCells[EquationStore::k_maxNumberOfSolutions];
EvenOddExpressionCell m_deltaCell;
Poincare::ExpressionLayout * m_delta2Layout;
Shared::ScrollableExactApproximateExpressionsCell m_exactValueCells[EquationStore::k_maxNumberOfExactSolutions];
EvenOddBufferTextCell m_approximateValueCells[EquationStore::k_maxNumberOfApproximateSolutions];
ContentView m_contentView;
};
}
#endif