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[apps/stats] Abstract multiple data view and controller

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This commit is contained in:
Léa Saviot
2018-05-24 17:42:36 +02:00
parent 7b37f4d0bc
commit f4eb4e3476
10 changed files with 366 additions and 246 deletions
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156
apps/statistics/histogram_controller.cpp
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@@ -14,111 +14,41 @@ static inline float min(float x, float y) { return (x<y ? x : y); }
static inline float max(float x, float y) { return (x>y ? x : y); }
HistogramController::HistogramController(Responder * parentResponder, ButtonRowController * header, Store * store, uint32_t * storeVersion, uint32_t * barVersion, uint32_t * rangeVersion, int * selectedBarIndex) :
ViewController(parentResponder),
MultipleDataViewController(parentResponder, store, selectedBarIndex),
ButtonRowDelegate(header, nullptr),
m_store(store),
m_view(this, store),
m_storeVersion(storeVersion),
m_barVersion(barVersion),
m_rangeVersion(rangeVersion),
m_selectedSeries(-1),
m_selectedBarIndex(selectedBarIndex),
m_histogramParameterController(nullptr, store)
{
}
void HistogramController::setCurrentDrawnSeries(int series) {
initYRangeParameters(series);
}
StackViewController * HistogramController::stackController() {
StackViewController * stack = (StackViewController *)(parentResponder()->parentResponder()->parentResponder());
return stack;
}
void HistogramController::setCurrentDrawnSeries(int series) {
initYRangeParameters(series);
}
bool HistogramController::isEmpty() const {
return m_store->isEmpty();
}
I18n::Message HistogramController::emptyMessage() {
return I18n::Message::NoDataToPlot;
}
Responder * HistogramController::defaultController() {
return tabController();
}
const char * HistogramController::title() {
return I18n::translate(I18n::Message::HistogramTab);
}
void HistogramController::viewWillAppear() {
m_view.setDisplayBanner(true);
if (m_selectedSeries < 0) {
m_selectedSeries = m_view.seriesOfSubviewAtIndex(0);
m_view.selectHistogram(m_selectedSeries);
}
reloadBannerView();
m_view.reload();
}
bool HistogramController::handleEvent(Ion::Events::Event event) {
assert(m_selectedSeries >= 0);
if (event == Ion::Events::Down) {
int currentSelectedSubview = m_view.indexOfSubviewAtSeries(m_selectedSeries);
if (currentSelectedSubview < m_view.numberOfSubviews() - 2) {
m_view.deselectHistogram(m_selectedSeries);
m_selectedSeries = m_view.seriesOfSubviewAtIndex(currentSelectedSubview+1);
*m_selectedBarIndex = 0;
m_view.selectHistogram(m_selectedSeries);
reloadBannerView();
m_view.reload();
app()->setFirstResponder(this);
return true;
}
return false;
}
if (event == Ion::Events::Up) {
int currentSelectedSubview = m_view.indexOfSubviewAtSeries(m_selectedSeries);
if (currentSelectedSubview > 0) {
m_view.deselectHistogram(m_selectedSeries);
assert(currentSelectedSubview > 0);
m_selectedSeries = m_view.seriesOfSubviewAtIndex(currentSelectedSubview-1);
m_view.selectHistogram(m_selectedSeries);
*m_selectedBarIndex = 0;
app()->setFirstResponder(this);
} else {
app()->setFirstResponder(tabController());
}
reloadBannerView();
m_view.reload();
return true;
}
if (m_selectedSeries >= 0 && (event == Ion::Events::Left || event == Ion::Events::Right)) {
int direction = event == Ion::Events::Left ? -1 : 1;
if (moveSelection(direction)) {
reloadBannerView();
m_view.reload();
}
return true;
}
assert(selectedSeries() >= 0);
if (event == Ion::Events::OK) {
stackController()->push(histogramParameterController());
return true;
}
return false;
return MultipleDataViewController::handleEvent(event);
}
void HistogramController::didBecomeFirstResponder() {
m_view.setDisplayBanner(true);
if (m_selectedSeries < 0 || m_store->sumOfOccurrences(m_selectedSeries) == 0) {
if (m_selectedSeries >= 0) {
m_view.deselectHistogram(m_selectedSeries);
}
m_selectedSeries = m_view.seriesOfSubviewAtIndex(0);
m_view.selectHistogram(m_selectedSeries);
m_view.reload();
}
MultipleDataViewController::didBecomeFirstResponder();
uint32_t storeChecksum = m_store->storeChecksum();
if (*m_storeVersion != storeChecksum) {
*m_storeVersion = storeChecksum;
@@ -136,19 +66,17 @@ void HistogramController::didBecomeFirstResponder() {
initBarSelection();
reloadBannerView();
}
m_view.histogramViewAtIndex(m_selectedSeries)->setHighlight(m_store->startOfBarAtIndex(m_selectedSeries, *m_selectedBarIndex), m_store->endOfBarAtIndex(m_selectedSeries, *m_selectedBarIndex));
HistogramView * selectedHistogramView = static_cast<HistogramView *>(m_view.dataViewAtIndex(selectedSeries()));
selectedHistogramView->setHighlight(m_store->startOfBarAtIndex(selectedSeries(), *m_selectedBarIndex), m_store->endOfBarAtIndex(selectedSeries(), *m_selectedBarIndex));
}
void HistogramController::willExitResponderChain(Responder * nextFirstResponder) {
if (nextFirstResponder == nullptr || nextFirstResponder == tabController()) {
if (m_selectedSeries >= 0) {
m_view.histogramViewAtIndex(m_selectedSeries)->selectMainView(false);
m_view.histogramViewAtIndex(m_selectedSeries)->setForceOkDisplay(false);
m_selectedSeries = -1;
m_view.setDisplayBanner(false);
if (selectedSeries() >= 0) {
m_view.dataViewAtIndex(selectedSeries())->setForceOkDisplay(false);
}
m_view.reload();
}
MultipleDataViewController::willExitResponderChain(nextFirstResponder);
}
Responder * HistogramController::tabController() const {
@@ -156,7 +84,7 @@ Responder * HistogramController::tabController() const {
}
void HistogramController::reloadBannerView() {
if (m_selectedSeries < 0) {
if (selectedSeries() < 0) {
return;
}
char buffer[k_maxNumberOfCharacters+ PrintFloat::bufferSizeForFloatsWithPrecision(Constant::LargeNumberOfSignificantDigits)*2];
@@ -169,16 +97,16 @@ void HistogramController::reloadBannerView() {
numberOfChar += legendLength;
// Add lower bound
if (m_selectedSeries >= 0) {
double lowerBound = m_store->startOfBarAtIndex(m_selectedSeries, *m_selectedBarIndex);
if (selectedSeries() >= 0) {
double lowerBound = m_store->startOfBarAtIndex(selectedSeries(), *m_selectedBarIndex);
numberOfChar += PrintFloat::convertFloatToText<double>(lowerBound, buffer+numberOfChar, PrintFloat::bufferSizeForFloatsWithPrecision(Constant::LargeNumberOfSignificantDigits), Constant::LargeNumberOfSignificantDigits);
}
buffer[numberOfChar++] = ';';
// Add upper bound
if (m_selectedSeries >= 0) {
double upperBound = m_store->endOfBarAtIndex(m_selectedSeries, *m_selectedBarIndex);
if (selectedSeries() >= 0) {
double upperBound = m_store->endOfBarAtIndex(selectedSeries(), *m_selectedBarIndex);
numberOfChar += PrintFloat::convertFloatToText<double>(upperBound, buffer+numberOfChar, PrintFloat::bufferSizeForFloatsWithPrecision(Constant::LargeNumberOfSignificantDigits), Constant::LargeNumberOfSignificantDigits);
}
@@ -189,7 +117,7 @@ void HistogramController::reloadBannerView() {
buffer[numberOfChar++] = ' ';
}
buffer[k_maxIntervalLegendLength] = 0;
m_view.bannerView()->setLegendAtIndex(buffer, 1);
m_view.editableBannerView()->setLegendAtIndex(buffer, 1);
// Add Size Data
numberOfChar = 0;
@@ -198,8 +126,8 @@ void HistogramController::reloadBannerView() {
strlcpy(buffer, legend, legendLength+1);
numberOfChar += legendLength;
double size = 0;
if (m_selectedSeries >= 0) {
size = m_store->heightOfBarAtIndex(m_selectedSeries, *m_selectedBarIndex);
if (selectedSeries() >= 0) {
size = m_store->heightOfBarAtIndex(selectedSeries(), *m_selectedBarIndex);
numberOfChar += PrintFloat::convertFloatToText<double>(size, buffer+numberOfChar, PrintFloat::bufferSizeForFloatsWithPrecision(Constant::LargeNumberOfSignificantDigits), Constant::LargeNumberOfSignificantDigits);
}
// Padding
@@ -207,7 +135,7 @@ void HistogramController::reloadBannerView() {
buffer[numberOfChar++] = ' ';
}
buffer[k_maxLegendLength] = 0;
m_view.bannerView()->setLegendAtIndex(buffer, 3);
m_view.editableBannerView()->setLegendAtIndex(buffer, 3);
// Add Frequency Data
numberOfChar = 0;
@@ -215,8 +143,8 @@ void HistogramController::reloadBannerView() {
legendLength = strlen(legend);
strlcpy(buffer, legend, legendLength+1);
numberOfChar += legendLength;
if (m_selectedSeries >= 0) {
double frequency = size/m_store->sumOfOccurrences(m_selectedSeries);
if (selectedSeries() >= 0) {
double frequency = size/m_store->sumOfOccurrences(selectedSeries());
numberOfChar += PrintFloat::convertFloatToText<double>(frequency, buffer+numberOfChar, PrintFloat::bufferSizeForFloatsWithPrecision(Constant::LargeNumberOfSignificantDigits), Constant::LargeNumberOfSignificantDigits);
}
// Padding
@@ -224,31 +152,31 @@ void HistogramController::reloadBannerView() {
buffer[numberOfChar++] = ' ';
}
buffer[k_maxLegendLength] = 0;
m_view.bannerView()->setLegendAtIndex(buffer, 5);
m_view.editableBannerView()->setLegendAtIndex(buffer, 5);
}
bool HistogramController::moveSelection(int deltaIndex) {
bool HistogramController::moveSelectionHorizontally(int deltaIndex) {
int newSelectedBarIndex = *m_selectedBarIndex;
do {
newSelectedBarIndex+=deltaIndex;
} while (m_store->heightOfBarAtIndex(m_selectedSeries, newSelectedBarIndex) == 0
} while (m_store->heightOfBarAtIndex(selectedSeries(), newSelectedBarIndex) == 0
&& newSelectedBarIndex >= 0
&& newSelectedBarIndex < m_store->numberOfBars(m_selectedSeries));
&& newSelectedBarIndex < m_store->numberOfBars(selectedSeries()));
if (newSelectedBarIndex >= 0
&& newSelectedBarIndex < m_store->numberOfBars(m_selectedSeries)
&& newSelectedBarIndex < m_store->numberOfBars(selectedSeries())
&& *m_selectedBarIndex != newSelectedBarIndex)
{
*m_selectedBarIndex = newSelectedBarIndex;
m_view.histogramViewAtIndex(m_selectedSeries)->setHighlight(m_store->startOfBarAtIndex(m_selectedSeries, *m_selectedBarIndex), m_store->endOfBarAtIndex(m_selectedSeries, *m_selectedBarIndex));
m_store->scrollToSelectedBarIndex(m_selectedSeries, *m_selectedBarIndex);
m_view.dataViewAtIndex(selectedSeries())->setHighlight(m_store->startOfBarAtIndex(selectedSeries(), *m_selectedBarIndex), m_store->endOfBarAtIndex(selectedSeries(), *m_selectedBarIndex));
m_store->scrollToSelectedBarIndex(selectedSeries(), *m_selectedBarIndex);
return true;
}
return false;
}
void HistogramController::initRangeParameters() {
assert(m_selectedSeries >= 0 && m_store->sumOfOccurrences(m_selectedSeries) > 0);
assert(selectedSeries() >= 0 && m_store->sumOfOccurrences(selectedSeries()) > 0);
float minValue = m_store->firstDrawnBarAbscissa();
float maxValue = -FLT_MAX;
for (int i = 0; i < Store::k_numberOfSeries; i ++) {
@@ -270,7 +198,7 @@ void HistogramController::initRangeParameters() {
m_store->setXMin(xMin - Store::k_displayLeftMarginRatio*(xMax-xMin));
m_store->setXMax(xMax + Store::k_displayRightMarginRatio*(xMax-xMin));
initYRangeParameters(m_selectedSeries);
initYRangeParameters(selectedSeries());
}
void HistogramController::initYRangeParameters(int series) {
@@ -297,11 +225,11 @@ void HistogramController::initYRangeParameters(int series) {
* yMin = -k_bottomMargin/ratioFloatPixel = yMax*k_bottomMargin/(k_bottomMargin - viewHeight)
* */
m_store->setYMin(m_store->yMax()*(float)Store::k_bottomMargin/((float)Store::k_bottomMargin - m_view.histogramViewAtIndex(series)->bounds().height()));
m_store->setYMin(m_store->yMax()*(float)Store::k_bottomMargin/((float)Store::k_bottomMargin - m_view.dataViewAtIndex(series)->bounds().height()));
}
void HistogramController::initBarParameters() {
assert(m_selectedSeries >= 0 && m_store->sumOfOccurrences(m_selectedSeries) > 0);
assert(selectedSeries() >= 0 && m_store->sumOfOccurrences(selectedSeries()) > 0);
float minValue = FLT_MAX;
float maxValue = -FLT_MAX;
for (int i = 0; i < Store::k_numberOfSeries; i ++) {
@@ -320,20 +248,20 @@ void HistogramController::initBarParameters() {
}
void HistogramController::initBarSelection() {
assert(m_selectedSeries >= 0 && m_store->sumOfOccurrences(m_selectedSeries) > 0);
assert(selectedSeries() >= 0 && m_store->sumOfOccurrences(selectedSeries()) > 0);
*m_selectedBarIndex = 0;
while ((m_store->heightOfBarAtIndex(m_selectedSeries, *m_selectedBarIndex) == 0 ||
m_store->startOfBarAtIndex(m_selectedSeries, *m_selectedBarIndex) < m_store->firstDrawnBarAbscissa()) && *m_selectedBarIndex < m_store->numberOfBars(m_selectedSeries)) {
while ((m_store->heightOfBarAtIndex(selectedSeries(), *m_selectedBarIndex) == 0 ||
m_store->startOfBarAtIndex(selectedSeries(), *m_selectedBarIndex) < m_store->firstDrawnBarAbscissa()) && *m_selectedBarIndex < m_store->numberOfBars(selectedSeries())) {
*m_selectedBarIndex = *m_selectedBarIndex+1;
}
if (*m_selectedBarIndex >= m_store->numberOfBars(m_selectedSeries)) {
if (*m_selectedBarIndex >= m_store->numberOfBars(selectedSeries())) {
/* No bar is after m_firstDrawnBarAbscissa, so we select the first bar */
*m_selectedBarIndex = 0;
while (m_store->heightOfBarAtIndex(m_selectedSeries, *m_selectedBarIndex) == 0 && *m_selectedBarIndex < m_store->numberOfBars(m_selectedSeries)) {
while (m_store->heightOfBarAtIndex(selectedSeries(), *m_selectedBarIndex) == 0 && *m_selectedBarIndex < m_store->numberOfBars(selectedSeries())) {
*m_selectedBarIndex = *m_selectedBarIndex+1;
}
}
m_store->scrollToSelectedBarIndex(m_selectedSeries, *m_selectedBarIndex);
m_store->scrollToSelectedBarIndex(selectedSeries(), *m_selectedBarIndex);
}
}