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Timeline step back

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This commit is contained in:
Dan Paulat 2023-05-26 16:14:33 -05:00
parent 6f1fb84397
commit 0ddd9d91ea
2 changed files with 90 additions and 12 deletions
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63
scwx-qt/source/scwx/qt/manager/timeline_manager.cpp
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@ -33,6 +33,7 @@ public:
TimelineManager* self_;
void SelectTime(std::chrono::system_clock::time_point selectedTime = {});
void StepBack();
std::string radarSite_ {"?"};
std::string previousRadarSite_ {"?"};
@ -51,6 +52,12 @@ TimelineManager::~TimelineManager() = default;
void TimelineManager::SetRadarSite(const std::string& radarSite)
{
if (p->radarSite_ == radarSite)
{
// No action needed
return;
}
logger_->debug("SetRadarSite: {}", radarSite);
p->radarSite_ = radarSite;
@ -123,6 +130,8 @@ void TimelineManager::AnimationStepBegin()
void TimelineManager::AnimationStepBack()
{
logger_->debug("AnimationStepBack");
p->StepBack();
}
void TimelineManager::AnimationPlay()
@ -217,6 +226,60 @@ void TimelineManager::Impl::SelectTime(
});
}
void TimelineManager::Impl::StepBack()
{
scwx::util::async(
[this]()
{
// Take a lock for time selection
std::unique_lock lock {selectTimeMutex_};
// Determine time to get active volume times
std::chrono::system_clock::time_point queryTime = adjustedTime_;
if (queryTime == std::chrono::system_clock::time_point {})
{
queryTime = std::chrono::system_clock::now();
}
// Request active volume times
auto radarProductManager =
manager::RadarProductManager::Instance(radarSite_);
auto volumeTimes =
radarProductManager->GetActiveVolumeTimes(queryTime);
std::set<std::chrono::system_clock::time_point>::const_iterator it;
if (adjustedTime_ == std::chrono::system_clock::time_point {})
{
// If the adjusted time is live, get the last element in the set
it = volumeTimes.cend();
if (!volumeTimes.empty())
{
--it;
}
}
else
{
// Get the current element in the set
it = scwx::util::GetBoundedElementIterator(volumeTimes,
adjustedTime_);
}
// Only if we aren't at the beginning of the volume times set
if (it != volumeTimes.cbegin())
{
// Select the previous time
adjustedTime_ = *(--it);
selectedTime_ = adjustedTime_;
logger_->debug("Volume time updated: {}",
scwx::util::TimeString(adjustedTime_));
emit self_->VolumeTimeUpdated(adjustedTime_);
}
});
}
std::shared_ptr<TimelineManager> TimelineManager::Instance()
{
static std::weak_ptr<TimelineManager> timelineManagerReference_ {};