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93 lines
4.2 KiB
C++
93 lines
4.2 KiB
C++
#ifndef SOLVER_SOLUTIONS_CONTROLLER_H
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#define SOLVER_SOLUTIONS_CONTROLLER_H
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#include <escher.h>
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#include "equation_store.h"
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#include "../shared/scrollable_two_expressions_cell.h"
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#include <apps/i18n.h>
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namespace Solver {
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class SolutionsController : public ViewController, public AlternateEmptyViewDefaultDelegate, public SelectableTableViewDataSource, public TableViewDataSource {
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public:
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SolutionsController(Responder * parentResponder, EquationStore * equationStore);
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void setShouldReplaceFuncionsButNotSymbols(bool shouldReplaceFuncionsButNotSymbols) { m_shouldReplaceFuncionsButNotSymbols = shouldReplaceFuncionsButNotSymbols; }
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bool shouldReplaceFuncionsButNotSymbols() const { return m_shouldReplaceFuncionsButNotSymbols; }
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/* ViewController */
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const char * title() override;
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View * view() override { return &m_contentView; }
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void viewWillAppear() override;
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void didEnterResponderChain(Responder * previousFirstResponder) override;
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/* AlternateEmptyViewDefaultDelegate */
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bool isEmpty() const override;
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virtual I18n::Message emptyMessage() override;
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virtual Responder * defaultController() override;
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/* TableViewDataSource */
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int numberOfRows() const override;
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int numberOfColumns() const override { return 2; }
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void willDisplayCellAtLocation(HighlightCell * cell, int i, int j) override;
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KDCoordinate columnWidth(int i) override;
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KDCoordinate rowHeight(int j) override;
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KDCoordinate cumulatedWidthFromIndex(int i) override;
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int indexFromCumulatedWidth(KDCoordinate offsetX) override;
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HighlightCell * reusableCell(int index, int type) override;
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int reusableCellCount(int type) override;
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int typeAtLocation(int i, int j) override;
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/* Responder */
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void didBecomeFirstResponder() override;
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private:
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class ContentView : public View {
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public:
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constexpr static KDCoordinate k_topMargin = 50;
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ContentView(SolutionsController * controller);
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void drawRect(KDContext * ctx, KDRect rect) const override;
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void setWarning(bool warning);
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void setWarningMessages(I18n::Message message0, I18n::Message message1);
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SelectableTableView * selectableTableView() {
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return &m_selectableTableView;
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}
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private:
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constexpr static KDCoordinate k_middleMargin = 50;
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int numberOfSubviews() const override;
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View * subviewAtIndex(int index) override;
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void layoutSubviews(bool force = false) override;
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MessageTextView m_warningMessageView0;
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MessageTextView m_warningMessageView1;
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SelectableTableView m_selectableTableView;
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bool m_displayWarningMoreSolutions;
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};
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// Cell types
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constexpr static int k_symbolCellType = 0;
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constexpr static int k_deltaCellType = 1;
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constexpr static int k_exactValueCellType = 2;
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constexpr static int k_approximateValueCellType = 3;
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// Heights and widths
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constexpr static KDCoordinate k_defaultCellHeight = 20;
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constexpr static int k_symbolCellWidth = 90;
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constexpr static int k_valueCellWidth = 190;
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// Number of cells
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constexpr static int k_maxNumberOfVisibleCells = (Ion::Display::Height - 3 * Meric::TitleBarHeight - ContentView::k_topMargin) / k_defaultCellHeight + 1;
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static_assert(k_maxNumberOfVisibleCells <= EquationStore::k_maxNumberOfSolutions + Poincare::Expression::k_maxNumberOfVariables, "We can reduce the number of cells in Solver:SolutionsController.");
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constexpr static int k_numberOfSymbolCells = k_maxNumberOfVisibleCells < EquationStore::k_maxNumberOfSolutions ? k_maxNumberOfVisibleCells : EquationStore::k_maxNumberOfSolutions;
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constexpr static int k_numberOfExactValueCells = k_maxNumberOfVisibleCells < EquationStore::k_maxNumberOfExactSolutions ? k_maxNumberOfVisibleCells : EquationStore::k_maxNumberOfExactSolutions;
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constexpr static int k_numberOfApproximateValueCells = k_maxNumberOfVisibleCells < EquationStore::k_maxNumberOfApproximateSolutions ? k_maxNumberOfVisibleCells : EquationStore::k_maxNumberOfApproximateSolutions;
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EquationStore * m_equationStore;
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EvenOddBufferTextCell m_symbolCells[k_numberOfSymbolCells];
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EvenOddExpressionCell m_deltaCell;
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Poincare::Layout m_delta2Layout;
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Shared::ScrollableTwoExpressionsCell m_exactValueCells[k_numberOfExactValueCells];
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EvenOddBufferTextCell m_approximateValueCells[k_numberOfApproximateValueCells];
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ContentView m_contentView;
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bool m_shouldReplaceFuncionsButNotSymbols;
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};
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}
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#endif
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