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[apps] Graph: break GraphController into GraphControllerHelper and

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GraphController
This commit is contained in:
Émilie Feral
2018-01-09 12:10:03 +01:00
committed by EmilieNumworks
parent 85abdbcafb
commit 7ce68d0a11
6 changed files with 64 additions and 24 deletions
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27
apps/graph/graph/graph_controller.cpp
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@@ -85,21 +85,10 @@ void GraphController::reloadBannerView() {
}
CartesianFunction * f = m_functionStore->activeFunctionAtIndex(m_indexFunctionSelectedByCursor);
TextFieldDelegateApp * myApp = (TextFieldDelegateApp *)app();
char buffer[k_maxNumberOfCharacters+PrintFloat::bufferSizeForFloatsWithPrecision(Constant::LargeNumberOfSignificantDigits)];
const char * space = " ";
int spaceLength = strlen(space);
if (m_displayDerivativeInBanner || type() == GraphView::Type::Tangent) {
const char * legend = "00(x)=";
int legendLength = strlen(legend);
int numberOfChar = strlcpy(buffer, legend, legendLength+1);
buffer[0] = f->name()[0];
buffer[1] = '\'';
double y = f->approximateDerivative(m_cursor->x(), myApp->localContext());
numberOfChar += Complex<double>::convertFloatToText(y, buffer + legendLength, PrintFloat::bufferSizeForFloatsWithPrecision(Constant::MediumNumberOfSignificantDigits), Constant::MediumNumberOfSignificantDigits);
strlcpy(buffer+numberOfChar, space, spaceLength+1);
buffer[k_maxLegendLength] = 0;
m_bannerView.setLegendAtIndex(buffer, 2);
}
reloadDerivativeInBannerViewForCursorOnFunction(m_cursor, f, myApp);
char buffer[FunctionBannerDelegate::k_maxNumberOfCharacters+PrintFloat::bufferSizeForFloatsWithPrecision(Constant::LargeNumberOfSignificantDigits)];
if (type() == GraphView::Type::Tangent) {
const char * legend = "a=";
int legendLength = strlen(legend);
@@ -118,15 +107,9 @@ void GraphController::reloadBannerView() {
}
bool GraphController::moveCursorHorizontally(int direction) {
double xCursorPosition = m_cursor->x();
double x = direction > 0 ? xCursorPosition + m_graphRange->xGridUnit()/k_numberOfCursorStepsInGradUnit :
xCursorPosition - m_graphRange->xGridUnit()/k_numberOfCursorStepsInGradUnit;
CartesianFunction * f = m_functionStore->activeFunctionAtIndex(m_indexFunctionSelectedByCursor);
TextFieldDelegateApp * myApp = (TextFieldDelegateApp *)app();
double y = f->evaluateAtAbscissa(x, myApp->localContext());
m_cursor->moveTo(x, y);
m_graphRange->panToMakePointVisible(x, y, k_cursorTopMarginRatio, k_cursorRightMarginRatio, k_cursorBottomMarginRatio, k_cursorLeftMarginRatio);
return true;
return privateMoveCursorHorizontally(m_cursor, direction, m_graphRange, k_numberOfCursorStepsInGradUnit, f, myApp, k_cursorTopMarginRatio, k_cursorRightMarginRatio, k_cursorBottomMarginRatio, k_cursorLeftMarginRatio);
}
void GraphController::initCursorParameters() {