function_parameter_controller.cpp
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#include "function_parameter_controller.h"
#include "values_controller.h"
#include <assert.h>
using namespace Shared;
namespace Graph {
FunctionParameterController::FunctionParameterController(ValuesController * valuesController) :
ValuesFunctionParameterController('x'),
m_displayDerivativeColumn(I18n::Message::DerivativeFunctionColumn),
m_cartesianFunction(nullptr),
m_valuesController(valuesController)
{
}
void FunctionParameterController::setFunction(Function * function) {
m_cartesianFunction = (CartesianFunction *)function;
ValuesFunctionParameterController::setFunction(function);
}
bool FunctionParameterController::handleEvent(Ion::Events::Event event) {
if (event == Ion::Events::OK || event == Ion::Events::EXE) {
switch (selectedRow()) {
case 0:
{
m_cartesianFunction->setDisplayDerivative(!m_cartesianFunction->displayDerivative());
m_selectableTableView.reloadData();
return true;
}
#if COPY_COLUMN
case 1:
/* TODO: implement function copy column */
return true;
#endif
default:
assert(false);
return false;
}
}
return false;
}
int FunctionParameterController::numberOfRows() {
return k_totalNumberOfCell;
};
HighlightCell * FunctionParameterController::reusableCell(int index) {
assert(index >= 0);
assert(index < k_totalNumberOfCell);
#if COPY_COLUMN
HighlightCell * cells[] = {&m_displayDerivativeColumn, &m_copyColumn};
#else
HighlightCell * cells[] = {&m_displayDerivativeColumn};
#endif
return cells[index];
}
int FunctionParameterController::reusableCellCount() {
return k_totalNumberOfCell;
}
void FunctionParameterController::viewWillAppear() {
ValuesFunctionParameterController::viewWillAppear();
if (m_cartesianFunction->displayDerivative()) {
m_valuesController->selectCellAtLocation(m_valuesController->selectedColumn()+1, m_valuesController->selectedRow());
}
}
void FunctionParameterController::willDisplayCellForIndex(HighlightCell * cell, int index) {
if (cell == &m_displayDerivativeColumn) {
SwitchView * switchView = (SwitchView *)m_displayDerivativeColumn.accessoryView();
switchView->setState(m_cartesianFunction->displayDerivative());
}
}
}