histogram_parameter_controller.cpp
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#include "histogram_parameter_controller.h"
#include "app.h"
#include <assert.h>
#include <cmath>
using namespace Shared;
namespace Statistics {
HistogramParameterController::HistogramParameterController(Responder * parentResponder, Store * store) :
FloatParameterController(parentResponder),
m_cells{},
m_store(store)
{
}
const char * HistogramParameterController::title() {
return I18n::translate(I18n::Message::HistogramSet);
}
void HistogramParameterController::willDisplayCellForIndex(HighlightCell * cell, int index) {
if (index == numberOfRows()-1) {
return;
}
MessageTableCellWithEditableText * myCell = (MessageTableCellWithEditableText *)cell;
I18n::Message labels[k_numberOfCells] = {I18n::Message::RectangleWidth, I18n::Message::BarStart};
myCell->setMessage(labels[index]);
FloatParameterController::willDisplayCellForIndex(cell, index);
}
double HistogramParameterController::parameterAtIndex(int index) {
assert(index >= 0 && index < k_numberOfCells);
return index == 0 ? m_store->barWidth() : m_store->firstDrawnBarAbscissa();
}
bool HistogramParameterController::setParameterAtIndex(int parameterIndex, double f) {
assert(parameterIndex >= 0 && parameterIndex < k_numberOfCells);
if (parameterIndex == 0) {
// The bar width cannot be negative
if (f <= 0.0f) {
app()->displayWarning(I18n::Message::ForbiddenValue);
return false;
}
// There should be at least one value in the drawn bin
for (int i = 0; i < DoublePairStore::k_numberOfSeries; i++) {
if (m_store->firstDrawnBarAbscissa() <= m_store->maxValue(i)+f) {
break;
} else if (i == DoublePairStore::k_numberOfSeries - 1) {
app()->displayWarning(I18n::Message::ForbiddenValue);
return false;
}
}
// The number of bars cannot be above the max
assert(DoublePairStore::k_numberOfSeries > 0);
double maxNewNumberOfBars = std::ceil((m_store->maxValue(0) - m_store->minValue(0))/f);
for (int i = 1; i < DoublePairStore::k_numberOfSeries; i++) {
double numberOfBars = std::ceil((m_store->maxValue(i) - m_store->minValue(i))/f);
if (maxNewNumberOfBars < numberOfBars) {
maxNewNumberOfBars = numberOfBars;
}
}
if (maxNewNumberOfBars > Store::k_maxNumberOfBars) {
app()->displayWarning(I18n::Message::ForbiddenValue);
return false;
}
// Set the bar width
m_store->setBarWidth(f);
} else {
// The number of bars cannot be above the max
assert(DoublePairStore::k_numberOfSeries > 0);
double maxNewNumberOfBars = ceilf((m_store->maxValue(0) - f)/m_store->barWidth());
for (int i = 1; i < DoublePairStore::k_numberOfSeries; i++) {
double numberOfBars = ceilf((m_store->maxValue(i) - f)/m_store->barWidth());
if (maxNewNumberOfBars < numberOfBars) {
maxNewNumberOfBars = numberOfBars;
}
}
if (maxNewNumberOfBars > Store::k_maxNumberOfBars) {
app()->displayWarning(I18n::Message::ForbiddenValue);
return false;
}
// There should be at least one value in the drawn bin
for (int i = 0; i < DoublePairStore::k_numberOfSeries; i++) {
if (f <= m_store->maxValue(i)+m_store->barWidth()) {
break;
} else if (i == DoublePairStore::k_numberOfSeries - 1) {
app()->displayWarning(I18n::Message::ForbiddenValue);
return false;
}
}
// Set the first drawn bar abscissa
m_store->setFirstDrawnBarAbscissa(f);
}
return true;
}
HighlightCell * HistogramParameterController::reusableParameterCell(int index, int type) {
assert(index >= 0 && index < k_numberOfCells);
return m_cells[index];
}
View * HistogramParameterController::loadView() {
SelectableTableView * tableView = (SelectableTableView *)FloatParameterController::loadView();
for (int i = 0; i < k_numberOfCells; i++) {
m_cells[i] = new MessageTableCellWithEditableText(tableView, this, m_draftTextBuffer, I18n::Message::Default);
}
return tableView;
}
void HistogramParameterController::unloadView(View * view) {
for (int i = 0; i < k_numberOfCells; i++) {
delete m_cells[i];
m_cells[i] = nullptr;
}
FloatParameterController::unloadView(view);
}
}