equation_models_parameter_controller.cpp
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#include "equation_models_parameter_controller.h"
#include "list_controller.h"
#include "../constant.h"
#include <assert.h>
#include <poincare/layout_engine.h>
#include "../i18n.h"
using namespace Poincare;
namespace Solver {
constexpr const char * EquationModelsParameterController::k_models[k_numberOfModels];
EquationModelsParameterController::EquationModelsParameterController(Responder * parentResponder, EquationStore * equationStore, ListController * listController) :
ViewController(parentResponder),
m_emptyModelCell(I18n::Message::Empty, KDText::FontSize::Large),
m_expressionLayouts{},
m_selectableTableView(this),
m_equationStore(equationStore),
m_listController(listController)
{
m_selectableTableView.setMargins(0);
m_selectableTableView.setShowsIndicators(false);
for (int i = 0; i < k_numberOfExpressionCells; i++) {
Poincare::Expression * e = Expression::parse(k_models[i+1]);
m_expressionLayouts[i] = e->createLayout(Poincare::PrintFloat::Mode::Decimal, Constant::ShortNumberOfSignificantDigits);
delete e;
m_modelCells[i].setExpressionLayout(m_expressionLayouts[i]);
}
}
EquationModelsParameterController::~EquationModelsParameterController() {
for (int i = 0; i < k_numberOfExpressionCells; i++) {
if (m_expressionLayouts[i]) {
delete m_expressionLayouts[i];
m_expressionLayouts[i] = nullptr;
}
}
}
const char * EquationModelsParameterController::title() {
return I18n::translate(I18n::Message::UseEquationModel);
}
View * EquationModelsParameterController::view() {
return &m_selectableTableView;
}
void EquationModelsParameterController::viewWillAppear() {
ViewController::viewWillAppear();
selectCellAtLocation(0, 0);
}
void EquationModelsParameterController::didBecomeFirstResponder() {
app()->setFirstResponder(&m_selectableTableView);
}
bool EquationModelsParameterController::handleEvent(Ion::Events::Event event) {
if (event == Ion::Events::OK || event == Ion::Events::EXE) {
Equation * newEquation = static_cast<Equation *>(m_equationStore->addEmptyModel());
newEquation->setContent(k_models[selectedRow()]);
app()->dismissModalViewController();
m_listController->editExpression(newEquation, Ion::Events::OK);
return true;
}
return false;
}
int EquationModelsParameterController::numberOfRows() {
return k_numberOfExpressionCells+1;
};
KDCoordinate EquationModelsParameterController::rowHeight(int j) {
return Metric::ToolboxRowHeight;
}
KDCoordinate EquationModelsParameterController::cumulatedHeightFromIndex(int j) {
return rowHeight(0) * j;
}
int EquationModelsParameterController::indexFromCumulatedHeight(KDCoordinate offsetY) {
KDCoordinate height = rowHeight(0);
if (height == 0) {
return 0;
}
return (offsetY - 1) / height;
}
HighlightCell * EquationModelsParameterController::reusableCell(int index, int type) {
if (type == 0) {
return &m_emptyModelCell;
}
return &m_modelCells[index];
}
int EquationModelsParameterController::reusableCellCount(int type) {
if (type == 0) {
return 1;
}
return k_numberOfExpressionCells;
}
int EquationModelsParameterController::typeAtLocation(int i, int j) {
if (i == 0 && j == 0) {
return 0;
}
return 1;
}
}