6663b6c9
 adorian
projet complet av...
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#include "history_view_cell.h"
#include "app.h"
#include "../constant.h"
#include "selectable_table_view.h"
#include <assert.h>
#include <string.h>
namespace Calculation {
HistoryViewCell::HistoryViewCell(Responder * parentResponder) :
Responder(parentResponder),
m_inputLayout(nullptr),
m_exactOutputLayout(nullptr),
m_approximateOutputLayout(nullptr),
m_inputView(this),
m_scrollableOutputView(this),
m_selectedSubviewType(HistoryViewCell::SubviewType::Output)
{
}
HistoryViewCell::~HistoryViewCell() {
if (m_inputLayout != nullptr) {
delete m_inputLayout;
m_inputLayout = nullptr;
}
if (m_exactOutputLayout != nullptr) {
delete m_exactOutputLayout;
m_exactOutputLayout = nullptr;
}
if (m_approximateOutputLayout != nullptr) {
delete m_approximateOutputLayout;
m_approximateOutputLayout = nullptr;
}
}
Shared::ScrollableExactApproximateExpressionsView * HistoryViewCell::outputView() {
return &m_scrollableOutputView;
}
void HistoryViewCell::setEven(bool even) {
EvenOddCell::setEven(even);
m_inputView.setBackgroundColor(backgroundColor());
m_scrollableOutputView.evenOddCell()->setEven(even);
}
void HistoryViewCell::setHighlighted(bool highlight) {
m_highlighted = highlight;
m_inputView.setBackgroundColor(backgroundColor());
m_scrollableOutputView.evenOddCell()->setHighlighted(false);
if (isHighlighted()) {
if (m_selectedSubviewType == SubviewType::Input) {
m_inputView.setBackgroundColor(Palette::Select);
} else {
m_scrollableOutputView.evenOddCell()->setHighlighted(true);
}
}
reloadScroll();
}
Poincare::ExpressionLayout * HistoryViewCell::expressionLayout() const {
if (m_selectedSubviewType == SubviewType::Input) {
return m_inputLayout;
} else {
return m_scrollableOutputView.expressionLayout();
}
}
void HistoryViewCell::reloadCell() {
m_scrollableOutputView.evenOddCell()->reloadCell();
layoutSubviews();
reloadScroll();
}
void HistoryViewCell::reloadScroll() {
m_inputView.reloadScroll();
m_scrollableOutputView.reloadScroll();
}
KDColor HistoryViewCell::backgroundColor() const {
KDColor background = m_even ? KDColorWhite : Palette::WallScreen;
return background;
}
int HistoryViewCell::numberOfSubviews() const {
return 2;
}
View * HistoryViewCell::subviewAtIndex(int index) {
View * views[2] = {&m_inputView, &m_scrollableOutputView};
return views[index];
}
void HistoryViewCell::layoutSubviews() {
KDCoordinate width = bounds().width();
KDCoordinate height = bounds().height();
KDSize inputSize = m_inputView.minimalSizeForOptimalDisplay();
if (inputSize.width() + Metric::HistoryHorizontalMargin > width) {
m_inputView.setFrame(KDRect(Metric::HistoryHorizontalMargin, k_digitVerticalMargin, width - Metric::HistoryHorizontalMargin, inputSize.height()));
} else {
m_inputView.setFrame(KDRect(Metric::HistoryHorizontalMargin, k_digitVerticalMargin, inputSize.width(), inputSize.height()));
}
KDSize outputSize = m_scrollableOutputView.minimalSizeForOptimalDisplay();
if (outputSize.width() + Metric::HistoryHorizontalMargin > width) {
m_scrollableOutputView.setFrame(KDRect(Metric::HistoryHorizontalMargin, inputSize.height() + 2*k_digitVerticalMargin, width - Metric::HistoryHorizontalMargin, height - inputSize.height() - 3*k_digitVerticalMargin));
} else {
m_scrollableOutputView.setFrame(KDRect(width - outputSize.width() - Metric::HistoryHorizontalMargin, inputSize.height() + 2*k_digitVerticalMargin, outputSize.width(), height - inputSize.height() - 3*k_digitVerticalMargin));
}
}
void HistoryViewCell::setCalculation(Calculation * calculation) {
if (m_inputLayout) {
delete m_inputLayout;
}
m_inputLayout = calculation->createInputLayout();
m_inputView.setExpressionLayout(m_inputLayout);
App * calculationApp = (App *)app();
/* Both output expressions have to be updated at the same time. Otherwise,
* when updating one layout, if the second one still points to a deleted
* layout, calling to layoutSubviews() would fail. */
if (m_exactOutputLayout) {
delete m_exactOutputLayout;
m_exactOutputLayout = nullptr;
}
if (!calculation->shouldOnlyDisplayApproximateOutput(calculationApp->localContext())) {
m_exactOutputLayout = calculation->createExactOutputLayout(calculationApp->localContext());
}
if (m_approximateOutputLayout) {
delete m_approximateOutputLayout;
}
m_approximateOutputLayout = calculation->createApproximateOutputLayout(calculationApp->localContext());
Poincare::ExpressionLayout * outputExpressions[2] = {m_approximateOutputLayout, m_exactOutputLayout};
m_scrollableOutputView.setExpressions(outputExpressions);
I18n::Message equalMessage = calculation->exactAndApproximateDisplayedOutputsAreEqual(calculationApp->localContext()) == Calculation::EqualSign::Equal ? I18n::Message::Equal : I18n::Message::AlmostEqual;
m_scrollableOutputView.setEqualMessage(equalMessage);
}
void HistoryViewCell::didBecomeFirstResponder() {
if (m_selectedSubviewType == SubviewType::Input) {
app()->setFirstResponder(&m_inputView);
} else {
app()->setFirstResponder(&m_scrollableOutputView);
}
}
HistoryViewCell::SubviewType HistoryViewCell::selectedSubviewType() {
return m_selectedSubviewType;
}
void HistoryViewCell::setSelectedSubviewType(HistoryViewCell::SubviewType subviewType) {
m_selectedSubviewType = subviewType;
setHighlighted(isHighlighted());
}
bool HistoryViewCell::handleEvent(Ion::Events::Event event) {
if ((event == Ion::Events::Down && m_selectedSubviewType == SubviewType::Input) ||
(event == Ion::Events::Up && m_selectedSubviewType == SubviewType::Output)) {
SubviewType otherSubviewType = m_selectedSubviewType == SubviewType::Input ? SubviewType::Output : SubviewType::Input;
CalculationSelectableTableView * tableView = (CalculationSelectableTableView *)parentResponder();
tableView->scrollToSubviewOfTypeOfCellAtLocation(otherSubviewType, tableView->selectedColumn(), tableView->selectedRow());
HistoryViewCell * selectedCell = (HistoryViewCell *)(tableView->selectedCell());
selectedCell->setSelectedSubviewType(otherSubviewType);
app()->setFirstResponder(selectedCell);
return true;
}
return false;
}
}
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