From ac88645baebc2c8d3e14c0827304d1604f251247 Mon Sep 17 00:00:00 2001
From: Benjamin Renard <benjamin.renard@akka.eu>
Date: Thu, 10 Sep 2015 17:31:07 +0200
Subject: [PATCH] Plot navigation

---
 src/InputOutput/IHMImpl/Params/PlotImpl/IHMInputOutputParamsPlotClass.php | 92 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+), 0 deletions(-)

diff --git a/src/InputOutput/IHMImpl/Params/PlotImpl/IHMInputOutputParamsPlotClass.php b/src/InputOutput/IHMImpl/Params/PlotImpl/IHMInputOutputParamsPlotClass.php
index 45603da..bef986a 100644
--- a/src/InputOutput/IHMImpl/Params/PlotImpl/IHMInputOutputParamsPlotClass.php
+++ b/src/InputOutput/IHMImpl/Params/PlotImpl/IHMInputOutputParamsPlotClass.php
@@ -1223,6 +1223,11 @@ class IHMInputOutputParamsPlotClass extends IHMInputOutputParamsAbstractClass
 		{
 			case 'zoom' :
 				return $this->unmarshallZoom($input, $plotInput);
+			case 'forward' :
+			case 'halfforward' :
+			case 'backward' :
+			case 'halfbackward' :
+				return $this->unmarshallNavigation($input, $plotInput);
 			default :
 				throw new Exception('Interactive action not implemented.');
 		}
@@ -1307,5 +1312,92 @@ class IHMInputOutputParamsPlotClass extends IHMInputOutputParamsAbstractClass
 		}
 		throw new Exception('Cannot retrieve plot tab for zoom action.');
 	}
+	
+	private function unmarshallNavigation($input, $plotInput)
+	{
+		//Find current tab
+		$crtTab = NULL;
+		foreach ($plotInput->{'tabs'} as $tab)
+		{
+			if ($input->{'tabId'} == PLOT_RESULT_FILE_KEY."_".$tab->{'id'})
+			{
+				$crtTab = $tab;
+				break;
+			}
+		}
+		
+		if (!$crtTab)
+			throw new Exception('Cannot retrieve plot tab for navigation action.');
+		
+		if ($crtTab->{'multi-plot-linked'})
+		{
+			$startTime = $plotInput->{'startDate'};
+			$stopTime = $plotInput->{'stopDate'};
+		}
+		else
+		{
+			$startTime = $crtTab->{'startDate'};
+			$stopTime = $crtTab->{'stopDate'};
+		}
+		
+		//Compute new start / stop time
+		date_default_timezone_set('UTC');
+		$startTimeStamp = strtotime($startTime);
+		$stopTimeStamp  = strtotime($stopTime);
+		$duration = $stopTimeStamp - $startTimeStamp;
+		
+		switch ($input->{'action'})
+		{
+			case 'forward' :
+				$startTimeStamp += $duration;
+				$stopTimeStamp  += $duration;
+				break;
+			case 'halfforward' :
+				$startTimeStamp += ($duration/2);
+				$stopTimeStamp  += ($duration/2);
+				break;
+			case 'backward' :
+				$startTimeStamp -= $duration;
+				$stopTimeStamp  -= $duration;
+				break;
+			case 'halfbackward' :
+				$startTimeStamp -= ($duration/2);
+				$stopTimeStamp  -= ($duration/2);
+				break;
+		}
+		
+		$startTime = date("Y-m-d\TH:i:s",$startTimeStamp);
+		$stopTime = date("Y-m-d\TH:i:s",$stopTimeStamp);
+		
+		//Update request
+		if ($crtTab->{'multi-plot-linked'})
+		{
+			$plotInput->{'startDate'} = $startTime;
+			$plotInput->{'stopDate'} = $stopTime;
+			
+			$interactiveInput = clone $plotInput;
+			$interactiveInput->{'tabs'} = array();
+			//Execute only tabs linked to the multi plot mode
+			foreach ($plotInput->{'tabs'} as $tab)
+			{
+				if ($tab->{'multi-plot-linked'})
+					$interactiveInput->{'tabs'}[] = $tab;
+			}
+			$this->saveIHMRequest($plotInput);
+			return $interactiveInput;
+		}
+		else
+		{
+			$crtTab->{'startDate'} = $startTime;
+			$crtTab->{'stopDate'} = $stopTime;
+			
+			$interactiveInput = clone $plotInput;
+			$interactiveInput->{'tabs'} = array();
+			//Execute only concerning plot tabs 
+			$interactiveInput->{'tabs'}[] = $crtTab;
+			$this->saveIHMRequest($plotInput);
+			return $interactiveInput;
+		}
+	}
 }
 ?>
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