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Planner: automate calculation of best mix for max depth

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Add option to calculate the best mix portion of O2 and He for the dive's max
depth if the user enters * in the MOD and MND cylinder fields. Gas portions
are automatically recalculated if the max depth of the dive changes.

Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Rick Walsh 2016-07-06 22:40:35 +10:00 • committed by Dirk Hohndel
parent ae9e147314
commit f08b0e0e3e
5 changed files with 88 additions and 13 deletions
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19
qt-models/diveplannermodel.cpp
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@ -41,6 +41,7 @@ void DivePlannerPointsModel::createSimpleDive()
addStop(M_OR_FT(5, 15), 42 * 60, 0, cylinderid, true);
addStop(M_OR_FT(5, 15), 45 * 60, 0, cylinderid, true);
}
updateMaxDepth();
}
void DivePlannerPointsModel::setupStartTime()
@ -136,6 +137,19 @@ void DivePlannerPointsModel::setupCylinders()
CylindersModel::instance()->copyFromDive(&displayed_dive);
}
// Update the dive's maximum depth. Returns true if max depth changed
bool DivePlannerPointsModel::updateMaxDepth()
{
int prevMaxDepth = displayed_dive.maxdepth.mm;
displayed_dive.maxdepth.mm = 0;
for (int i = 0; i < rowCount(); i++) {
divedatapoint p = at(i);
if (p.depth > displayed_dive.maxdepth.mm)
displayed_dive.maxdepth.mm = p.depth;
}
return (displayed_dive.maxdepth.mm != prevMaxDepth);
}
QStringList &DivePlannerPointsModel::getGasList()
{
static QStringList list;
@ -257,8 +271,11 @@ bool DivePlannerPointsModel::setData(const QModelIndex &index, const QVariant &v
divedatapoint &p = divepoints[index.row()];
switch (index.column()) {
case DEPTH:
if (value.toInt() >= 0)
if (value.toInt() >= 0) {
p.depth = units_to_depth(value.toInt());
if (updateMaxDepth())
CylindersModel::instance()->updateBestMixes();
}
break;
case RUNTIME:
p.time = value.toInt() * 60;