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Remove the .used member of the cylinder structure

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Instead calculate this information on the fly, taking into account all
dive computers on the dive in questions.

There is one wrinkle to this - previously we abused the '.used' member to
make sure that a manually added cylinder didn't disappear the moment it
was added (think of the workflow: you add a cylinder, then you add a gas
change to that cylinder -> right after you add it it is unused and would
not be shown).

I am thinking that we might have to add the "manually_added" property to
the properties that we store in XML / git.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2014-06-01 12:38:32 -07:00
parent 1a04013453
commit c539c8f861
6 changed files with 39 additions and 38 deletions
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14
qt-ui/models.cpp
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@ -286,8 +286,7 @@ void CylindersModel::add()
int row = rows;
fill_default_cylinder(&current->cylinder[row]);
// mark the cylinder as 'used' since it was manually added
current->cylinder[row].used = true;
current->cylinder[row].manually_added = true;
beginInsertRows(QModelIndex(), row, row);
rows++;
changed = true;
@ -316,9 +315,8 @@ void CylindersModel::setDive(dive *d)
rows = 0;
for (int i = 0; i < MAX_CYLINDERS; i++) {
if (!cylinder_none(&d->cylinder[i]) &&
(prefs.display_unused_tanks || d->cylinder[i].used)) {
(prefs.display_unused_tanks || cylinder_is_used(d, &d->cylinder[i]) || d->cylinder[i].manually_added))
rows = i + 1;
}
}
current = d;
changed = false;
@ -334,8 +332,7 @@ void CylindersModel::copyFromDive(dive *d)
return;
rows = 0;
for (int i = 0; i < MAX_CYLINDERS; i++) {
if (!cylinder_none(&d->cylinder[i]) &&
(prefs.display_unused_tanks || d->cylinder[i].used)) {
if (!cylinder_none(&d->cylinder[i]) && cylinder_is_used(d, &d->cylinder[i])) {
rows = i + 1;
}
}
@ -360,9 +357,10 @@ void CylindersModel::remove(const QModelIndex &index)
cylinder_t *cyl = &current->cylinder[index.row()];
if ((DivePlannerPointsModel::instance()->currentMode() != DivePlannerPointsModel::NOTHING &&
DivePlannerPointsModel::instance()->tankInUse(cyl->gasmix.o2.permille, cyl->gasmix.he.permille)) ||
(DivePlannerPointsModel::instance()->currentMode() == DivePlannerPointsModel::NOTHING && cyl->used)) {
(DivePlannerPointsModel::instance()->currentMode() == DivePlannerPointsModel::NOTHING &&
(cyl->manually_added || (current_dive && cylinder_is_used(current_dive, cyl))))) {
QMessageBox::warning(MainWindow::instance(), TITLE_OR_TEXT(
tr("Cylinder cannot be removed"),
tr("Cylinder cannot be removed"),
tr("This gas in use. Only cylinders that are not used in the dive can be removed.")),
QMessageBox::Ok);
return;