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[apps/graph] Fix bug in values controller in willDisplayCellAtLocation

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Change-Id: Ic3f166caac9d58205a9b896de2a288afe13c66d4
This commit is contained in:
Émilie Feral
2017-04-03 16:47:57 +02:00
parent c893a4611e
commit da4c28bf39
4 changed files with 19 additions and 16 deletions
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23
apps/graph/values/values_controller.cpp
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@@ -37,6 +37,7 @@ int ValuesController::numberOfColumns() {
}
void ValuesController::willDisplayCellAtLocation(HighlightCell * cell, int i, int j) {
Shared::ValuesController::willDisplayCellAtLocation(cell, i, j);
// The cell is the abscissa title cell:
if (j == 0 && i == 0) {
EvenOddMessageTextCell * mytitleCell = (EvenOddMessageTextCell *)cell;
@@ -59,20 +60,7 @@ void ValuesController::willDisplayCellAtLocation(HighlightCell * cell, int i, in
}
myFunctionCell->setText(name);
myFunctionCell->setColor(function->color());
return;
}
// The cell is a derivative value cell
if (j > 0 && i > 0 && isDerivativeColumn(i)) {
TextFieldDelegateApp * myApp = (TextFieldDelegateApp *)app();
char buffer[Complex::bufferSizeForFloatsWithPrecision(Constant::LargeNumberOfSignificantDigits)];
EvenOddBufferTextCell * myValueCell = (EvenOddBufferTextCell *)cell;
CartesianFunction * function = functionAtColumn(i);
float x = m_interval.element(j-1);
Complex::convertFloatToText(function->approximateDerivative(x, myApp->localContext()), buffer, Complex::bufferSizeForFloatsWithPrecision(Constant::LargeNumberOfSignificantDigits), Constant::LargeNumberOfSignificantDigits);
myValueCell->setText(buffer);
return;
}
Shared::ValuesController::willDisplayCellAtLocation(cell, i, j);
}
I18n::Message ValuesController::emptyMessage() {
@@ -169,5 +157,14 @@ FunctionParameterController * ValuesController::functionParameterController() {
return &m_functionParameterController;
}
float ValuesController::evaluationOfAbscissaAtColumn(float abscissa, int columnIndex) {
CartesianFunction * function = functionAtColumn(columnIndex);
TextFieldDelegateApp * myApp = (TextFieldDelegateApp *)app();
if (isDerivativeColumn(columnIndex)) {
return function->approximateDerivative(abscissa, myApp->localContext());
}
return function->evaluateAtAbscissa(abscissa, myApp->localContext());
}
}