[chronojump] Fixed crash when no curves detected on capture

[Xavier de Blas <xaviblas src gnome org>]

commit 6a4e32560aaf5a06e662429cd2a36e28723ee63c
Author: Xavier de Blas <xaviblas gmail com>
Date:   Mon Jun 30 00:11:01 2014 +0200

    Fixed crash when no curves detected on capture

 src/gui/encoder.cs |   67 ++++++++++++++++++++++++++++++---------------------
 1 files changed, 39 insertions(+), 28 deletions(-)
---
diff --git a/src/gui/encoder.cs b/src/gui/encoder.cs
index a039698..d58628b 100644
--- a/src/gui/encoder.cs
+++ b/src/gui/encoder.cs
@@ -4532,7 +4532,7 @@ Log.Write(" AT ANALYZE 2 ");
                                string mainVariable = encoderCaptureOptionsWin.GetMainVariable();
                                double mainVariableHigher = 
encoderCaptureOptionsWin.GetMainVariableHigher(mainVariable);
                                double mainVariableLower = 
encoderCaptureOptionsWin.GetMainVariableLower(mainVariable);
-                               
+                       
                                captureCurvesBarsData = new ArrayList();
                                foreach (EncoderCurve curve in encoderCaptureCurves) {
                                        captureCurvesBarsData.Add(new EncoderBarsData(
@@ -4552,40 +4552,51 @@ Log.Write(" AT ANALYZE 2 ");
                                        encoder_pulsebar_capture.Text = encoderSaveSignalOrCurve("signal", 
0); //this updates encoderSignalUniqueID
                                else
                                        encoder_pulsebar_capture.Text = "";
-                               
-
-                               string eccon = findEccon(true);
+               
 
-                                       
                                /*
-                                * (1) if found curves of this signal
-                                * (2) and this curves are with different eccon
-                                * (3) delete the curves (encoder table)
-                                * (4) and also delete from (encoderSignalCurves table)
-                                * (5) update analyze labels and combos
+                                * if we captured, but encoderSignalUniqueID has not been changed on 
encoderSaveSignalOrCurve
+                                * because there are no curves (problems detecting, or minimal height so big
+                                * then do not continue
+                                * because with a value of -1 there will be problems in 
+                                * SqliteEncoder.Select(false, Convert.ToInt32(encoderSignalUniqueID), ...)
                                 */
-                               bool deletedUserCurves = false;
-                               EncoderSQL currentSignalSQL = (EncoderSQL) SqliteEncoder.Select(false, 
-                                               Convert.ToInt32(encoderSignalUniqueID), 0, 0, "", false, 
true)[0];
+                               Log.Write(" encoderSignalUniqueID:" + encoderSignalUniqueID);
+                               if(encoderSignalUniqueID != "-1")
+                               {
 
-                               ArrayList data = SqliteEncoder.Select(
-                                               false, -1, currentPerson.UniqueID, currentSession.UniqueID, 
"curve", 
-                                               false, true);
-                               foreach(EncoderSQL eSQL in data) {
-                                       if(
-                                                       currentSignalSQL.GetDate(false) == 
eSQL.GetDate(false) &&               // (1)
-                                                       findEccon(true) != eSQL.eccon) {                      
                  // (2)
-                                               Sqlite.Delete(false, Constants.EncoderTable, 
Convert.ToInt32(eSQL.uniqueID));   // (3)
-                                               SqliteEncoder.DeleteSignalCurveWithCurveID(false, 
Convert.ToInt32(eSQL.uniqueID)); // (4)
-                                               deletedUserCurves = true;
+                                       string eccon = findEccon(true);
+
+                                       /*
+                                        * (1) if found curves of this signal
+                                        * (2) and this curves are with different eccon
+                                        * (3) delete the curves (encoder table)
+                                        * (4) and also delete from (encoderSignalCurves table)
+                                        * (5) update analyze labels and combos
+                                        */
+                                       bool deletedUserCurves = false;
+                                       EncoderSQL currentSignalSQL = (EncoderSQL) 
SqliteEncoder.Select(false, 
+                                                       Convert.ToInt32(encoderSignalUniqueID), 0, 0, "", 
false, true)[0];
+
+
+                                       ArrayList data = SqliteEncoder.Select(
+                                                       false, -1, currentPerson.UniqueID, 
currentSession.UniqueID, "curve", 
+                                                       false, true);
+                                       foreach(EncoderSQL eSQL in data) {
+                                               if(
+                                                               currentSignalSQL.GetDate(false) == 
eSQL.GetDate(false) &&               // (1)
+                                                               findEccon(true) != eSQL.eccon) {              
                          // (2)
+                                                                       Sqlite.Delete(false, 
Constants.EncoderTable, Convert.ToInt32(eSQL.uniqueID));   // (3)
+                                                                       
SqliteEncoder.DeleteSignalCurveWithCurveID(false, Convert.ToInt32(eSQL.uniqueID)); // (4)
+                                                                       deletedUserCurves = true;
+                                                               }
                                        }
-                               }
-                               if(deletedUserCurves)
-                                       updateUserCurvesLabelsAndCombo();               // (5)
-                               
+                                       if(deletedUserCurves)
+                                               updateUserCurvesLabelsAndCombo();               // (5)
 
-                               findAndMarkSavedCurves();
 
+                                       findAndMarkSavedCurves();
+                               }
                        }
 
                        if(action == encoderActions.CAPTURE_IM && ! encoderProcessCancel && ! 
encoderProcessProblems)