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[apps] Regression: alternate between round and cross cursor views

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This commit is contained in:
Émilie Feral
2018-01-25 14:55:51 +01:00
committed by EmilieNumworks
parent 9cd50d8d9a
commit e6a33772fe
4 changed files with 28 additions and 16 deletions
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33
apps/regression/graph_controller.cpp
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@@ -9,8 +9,10 @@ namespace Regression {
GraphController::GraphController(Responder * parentResponder, ButtonRowController * header, Store * store, CurveViewCursor * cursor, uint32_t * modelVersion, uint32_t * rangeVersion, int * selectedDotIndex) :
InteractiveCurveViewController(parentResponder, header, store, &m_view, cursor, modelVersion, rangeVersion),
m_crossCursorView(),
m_roundCursorView(Palette::YellowDark),
m_bannerView(),
m_view(store, m_cursor, &m_bannerView, &m_cursorView),
m_view(store, m_cursor, &m_bannerView, &m_crossCursorView),
m_store(store),
m_initialisationParameterController(this, m_store),
m_predictionParameterController(this, m_store, m_cursor, this),
@@ -37,8 +39,14 @@ I18n::Message GraphController::emptyMessage() {
return I18n::Message::NoEnoughDataForRegression;
}
void GraphController::viewWillAppear() {
InteractiveCurveViewController::viewWillAppear();
m_view.setCursorView(*m_selectedDotIndex >= 0 ? static_cast<View *>(&m_crossCursorView): static_cast<View *>(&m_roundCursorView));
}
void GraphController::selectRegressionCurve() {
*m_selectedDotIndex = -1;
m_view.setCursorView(&m_roundCursorView);
}
CurveView * GraphController::curveView() {
@@ -177,11 +185,11 @@ void GraphController::initRangeParameters() {
}
void GraphController::initCursorParameters() {
double x = (m_store->xMin() + m_store->xMax())/2.0;
double y = m_store->yValueForXValue(x);
double x = m_store->meanOfColumn(0);
double y = m_store->meanOfColumn(1);
m_cursor->moveTo(x, y);
m_store->panToMakePointVisible(x, y, k_cursorTopMarginRatio, k_cursorRightMarginRatio, k_cursorBottomMarginRatio, k_cursorLeftMarginRatio);
selectRegressionCurve();
*m_selectedDotIndex = m_store->numberOfPairs();
}
bool GraphController::moveCursorHorizontally(int direction) {
@@ -213,7 +221,7 @@ bool GraphController::moveCursorVertically(int direction) {
double yRegressionCurve = m_store->yValueForXValue(m_cursor->x());
if (*m_selectedDotIndex >= 0) {
if ((yRegressionCurve - m_cursor->y() > 0) == (direction > 0)) {
*m_selectedDotIndex = -1;
selectRegressionCurve();
m_cursor->moveTo(m_cursor->x(), yRegressionCurve);
m_store->panToMakePointVisible(m_cursor->x(), m_cursor->y(), k_cursorTopMarginRatio, k_cursorRightMarginRatio, k_cursorBottomMarginRatio, k_cursorLeftMarginRatio);
return true;
@@ -222,18 +230,19 @@ bool GraphController::moveCursorVertically(int direction) {
}
} else {
int dotSelected = m_store->closestVerticalDot(direction, m_cursor->x());
if (dotSelected >= 0 && dotSelected < m_store->numberOfPairs()) {
if (dotSelected >= 0 && dotSelected <= m_store->numberOfPairs()) {
m_view.setCursorView(&m_crossCursorView);
if (dotSelected == m_store->numberOfPairs()) {
*m_selectedDotIndex = dotSelected;
m_cursor->moveTo(m_store->meanOfColumn(0), m_store->meanOfColumn(1));
m_store->panToMakePointVisible(m_cursor->x(), m_cursor->y(), k_cursorTopMarginRatio, k_cursorRightMarginRatio, k_cursorBottomMarginRatio, k_cursorLeftMarginRatio);
return true;
}
*m_selectedDotIndex = dotSelected;
m_cursor->moveTo(m_store->get(0, *m_selectedDotIndex), m_store->get(1, *m_selectedDotIndex));
m_store->panToMakePointVisible(m_cursor->x(), m_cursor->y(), k_cursorTopMarginRatio, k_cursorRightMarginRatio, k_cursorBottomMarginRatio, k_cursorLeftMarginRatio);
return true;
}
if (dotSelected == m_store->numberOfPairs()) {
*m_selectedDotIndex = dotSelected;
m_cursor->moveTo(m_store->meanOfColumn(0), m_store->meanOfColumn(1));
m_store->panToMakePointVisible(m_cursor->x(), m_cursor->y(), k_cursorTopMarginRatio, k_cursorRightMarginRatio, k_cursorBottomMarginRatio, k_cursorLeftMarginRatio);
return true;
}
return false;
}
}