graph_options_controller.cpp
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#include "graph_options_controller.h"
#include "app.h"
#include "graph_controller.h"
#include "regression_controller.h"
#include <apps/apps_container.h>
#include <assert.h>
using namespace Shared;
namespace Regression {
GraphOptionsController::GraphOptionsController(Responder * parentResponder, Store * store, CurveViewCursor * cursor, GraphController * graphController) :
ViewController(parentResponder),
m_changeRegressionCell(I18n::Message::Regression),
m_selectableTableView(this),
m_goToParameterController(this, store, cursor, graphController),
m_store(store),
m_graphController(graphController)
{
static_cast<ExpressionView *>(m_changeRegressionCell.subAccessoryView())->setHorizontalMargin(Metric::ExpressionViewHorizontalMargin);
}
const char * GraphOptionsController::title() {
return I18n::translate(I18n::Message::RegressionCurve);
}
View * GraphOptionsController::view() {
return &m_selectableTableView;
}
void GraphOptionsController::didBecomeFirstResponder() {
if (selectedRow() < 0) {
selectCellAtLocation(0, 0);
}
app()->setFirstResponder(&m_selectableTableView);
}
void GraphOptionsController::viewWillAppear() {
m_selectableTableView.reloadData();
}
bool GraphOptionsController::handleEvent(Ion::Events::Event event) {
if (event == Ion::Events::OK || event == Ion::Events::EXE || event == Ion::Events::Right) {
if (selectedRow() == numberOfRows() -1) {
RegressionController * regressionController = static_cast<Regression::App *>(app())->regressionController();
regressionController->setSeries(m_graphController->selectedSeriesIndex());
StackViewController * stack = static_cast<StackViewController *>(parentResponder());
stack->push(regressionController);
} else {
m_goToParameterController.setXPrediction(selectedRow() == 0);
StackViewController * stack = (StackViewController *)parentResponder();
stack->push(&m_goToParameterController);
}
return true;
}
return false;
}
int GraphOptionsController::numberOfRows() {
return k_numberOfParameterCells + 1;
}
KDCoordinate GraphOptionsController::rowHeight(int j) {
if ((j == numberOfRows() - 1) &&
(static_cast<Store *>(m_store)->seriesRegressionType(m_graphController->selectedSeriesIndex()) == Model::Type::Logistic))
{
return RegressionController::k_logisticCellHeight;
}
return Metric::ParameterCellHeight;
}
KDCoordinate GraphOptionsController::cumulatedHeightFromIndex(int j) {
assert (j >= 0 && j <= numberOfRows());
KDCoordinate result = 0;
for (int i = 0; i < j; i++) {
result+= rowHeight(i);
}
return result;
}
int GraphOptionsController::indexFromCumulatedHeight(KDCoordinate offsetY) {
int result = 0;
int j = 0;
int numberRows = numberOfRows();
while (result < offsetY && j < numberRows) {
result += rowHeight(j++);
}
return (result < offsetY || offsetY == 0) ? j : j - 1;
}
HighlightCell * GraphOptionsController::reusableCell(int index, int type) {
assert(index >= 0);
assert(index < reusableCellCount(type));
if (type == k_regressionCellType) {
return &m_changeRegressionCell;
}
assert(type == k_parameterCelltype);
return &m_parameterCells[index];
}
int GraphOptionsController::reusableCellCount(int type) {
if (type == k_regressionCellType) {
return 1;
}
assert(type == k_parameterCelltype);
return k_numberOfParameterCells;
}
int GraphOptionsController::typeAtLocation(int i, int j) {
assert(i == 0);
if (j == numberOfRows() -1) {
return k_regressionCellType;
}
return k_parameterCelltype;
}
void GraphOptionsController::willDisplayCellForIndex(HighlightCell * cell, int index) {
if (index == numberOfRows() - 1) {
m_changeRegressionCell.setExpressionLayout(static_cast<Store *>(m_store)->modelForSeries(m_graphController->selectedSeriesIndex())->layout());
return;
}
assert(index >=0 && index < k_numberOfParameterCells);
MessageTableCellWithChevron * myCell = (MessageTableCellWithChevron *)cell;
I18n::Message titles[k_numberOfParameterCells] = {I18n::Message::XPrediction, I18n::Message::YPrediction};
myCell->setMessage(titles[index]);
}
}