6663b6c9
 adorian
projet complet av...
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#include "values_controller.h"
#include <assert.h>
#include "../../constant.h"
using namespace Shared;
using namespace Poincare;
namespace Graph {
ValuesController::ValuesController(Responder * parentResponder, CartesianFunctionStore * functionStore, Interval * interval, ButtonRowController * header) :
Shared::ValuesController(parentResponder, header, I18n::Message::XColumn, &m_intervalParameterController, interval),
m_functionTitleCells{},
m_floatCells{},
m_functionStore(functionStore),
m_functionParameterController(this),
m_intervalParameterController(this, m_interval),
m_derivativeParameterController(this)
{
}
bool ValuesController::handleEvent(Ion::Events::Event event) {
if ((event == Ion::Events::OK || event == Ion::Events::EXE) && selectedRow() == 0
&& selectedColumn()>0 && isDerivativeColumn(selectedColumn())) {
configureDerivativeFunction();
return true;
}
return Shared::ValuesController::handleEvent(event);
}
void ValuesController::willDisplayCellAtLocation(HighlightCell * cell, int i, int j) {
Shared::ValuesController::willDisplayCellAtLocation(cell, i, j);
// The cell is the abscissa title cell:
if (j == 0 && i == 0) {
EvenOddMessageTextCell * mytitleCell = (EvenOddMessageTextCell *)cell;
mytitleCell->setMessage(I18n::Message::X);
return;
}
// The cell is a function title cell:
if (j == 0 && i > 0) {
Shared::BufferFunctionTitleCell * myFunctionCell = (Shared::BufferFunctionTitleCell *)cell;
CartesianFunction * function = functionAtColumn(i);
char bufferName[6] = {0, 0, '(', 'x', ')', 0};
const char * name = nullptr;
if (isDerivativeColumn(i)) {
bufferName[0] = *function->name();
bufferName[1] = '\'';
name = bufferName;
} else {
bufferName[1] = *function->name();
name = &bufferName[1];
}
myFunctionCell->setText(name);
myFunctionCell->setColor(function->color());
}
}
I18n::Message ValuesController::emptyMessage() {
if (m_functionStore->numberOfDefinedModels() == 0) {
return I18n::Message::NoFunction;
}
return I18n::Message::NoActivatedFunction;
}
IntervalParameterController * ValuesController::intervalParameterController() {
return &m_intervalParameterController;
}
CartesianFunction * ValuesController::functionAtColumn(int i) {
assert(i > 0);
int index = 1;
for (int k = 0; k < m_functionStore->numberOfDefinedModels(); k++) {
if (m_functionStore->definedFunctionAtIndex(k)->isActive()) {
if (i == index) {
return m_functionStore->definedFunctionAtIndex(k);
}
index++;
if (m_functionStore->definedFunctionAtIndex(k)->displayDerivative()) {
if (i == index) {
return m_functionStore->definedFunctionAtIndex(k);
}
index++;
}
}
}
assert(false);
return nullptr;
}
bool ValuesController::isDerivativeColumn(int i) {
assert(i >= 1);
int index = 1;
for (int k = 0; k < m_functionStore->numberOfDefinedModels(); k++) {
if (m_functionStore->definedFunctionAtIndex(k)->isActive()) {
if (i == index) {
return false;
}
index++;
if (m_functionStore->definedFunctionAtIndex(k)->displayDerivative()) {
if (i == index) {
return true;
}
index++;
}
}
}
assert(false);
return false;
}
void ValuesController::configureDerivativeFunction() {
CartesianFunction * function = functionAtColumn(selectedColumn());
m_derivativeParameterController.setFunction(function);
StackViewController * stack = stackController();
stack->push(&m_derivativeParameterController);
}
int ValuesController::maxNumberOfCells() {
return k_maxNumberOfCells;
}
int ValuesController::maxNumberOfFunctions() {
return k_maxNumberOfFunctions;
}
Shared::BufferFunctionTitleCell * ValuesController::functionTitleCells(int j) {
assert(j >= 0 && j < k_maxNumberOfFunctions);
return m_functionTitleCells[j];
}
EvenOddBufferTextCell * ValuesController::floatCells(int j) {
assert(j >= 0 && j < k_maxNumberOfCells);
return m_floatCells[j];
}
CartesianFunctionStore * ValuesController::functionStore() const {
return m_functionStore;
}
FunctionParameterController * ValuesController::functionParameterController() {
return &m_functionParameterController;
}
double ValuesController::evaluationOfAbscissaAtColumn(double abscissa, int columnIndex) {
CartesianFunction * function = functionAtColumn(columnIndex);
TextFieldDelegateApp * myApp = (TextFieldDelegateApp *)app();
if (isDerivativeColumn(columnIndex)) {
return function->approximateDerivative(abscissa, myApp->localContext());
}
return function->evaluateAtAbscissa(abscissa, myApp->localContext());
}
View * ValuesController::loadView() {
for (int i = 0; i < k_maxNumberOfFunctions; i++) {
m_functionTitleCells[i] = new Shared::BufferFunctionTitleCell(FunctionTitleCell::Orientation::HorizontalIndicator, KDText::FontSize::Small);
}
for (int i = 0; i < k_maxNumberOfCells; i++) {
m_floatCells[i] = new EvenOddBufferTextCell();
}
return Shared::ValuesController::loadView();
}
void ValuesController::unloadView(View * view) {
for (int i = 0; i < k_maxNumberOfCells; i++) {
delete m_floatCells[i];
m_floatCells[i] = nullptr;
}
for (int i = 0; i < k_maxNumberOfFunctions; i++) {
delete m_functionTitleCells[i];
m_functionTitleCells[i] = nullptr;
}
Shared::ValuesController::unloadView(view);
}
void ValuesController::updateNumberOfColumns() {
int result = 1;
for (int i = 0; i < m_functionStore->numberOfActiveFunctions(); i++) {
if (m_functionStore->activeFunctionAtIndex(i)->isActive()) {
result += 1 + m_functionStore->activeFunctionAtIndex(i)->displayDerivative();
}
}
m_numberOfColumns = result;
}
}
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