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	Timeline step back
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					 2 changed files with 90 additions and 12 deletions
				
			
		|  | @ -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_ {}; | ||||
|  |  | |||
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	 Dan Paulat
						Dan Paulat