[Kst] [Bug 115670] New: Some datasources call constructors/destructors [nb_vectors] times upon reload

[Nicolas Brisset]

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http://bugs.kde.org/show_bug.cgi?id=115670         
           Summary: Some datasources call constructors/destructors
                    [nb_vectors] times upon reload
           Product: kst
           Version: unspecified
          Platform: unspecified
        OS/Version: Solaris
            Status: NEW
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kst kde org
        ReportedBy: nicolas.brisset eurocopter com


Version:           1.2.0_devel (using KDE 3.4.0, compiled sources)
Compiler:          gcc version 3.4.3
OS:                SunOS (sun4u) release 5.8

- take a datasource that does not implement reset() and outputs some trace when entering the contructor/destructor
- create 4 plots with 1 curve in each (5 vectors total)
- hit reload: the datasource is built/destroyed 5 times
- add two vectors 
- hit reload: the datasource is built/destroyed 7 times

As it may take a significant amount of time to initialize a datasource, this behavior is very wrong and should be fixed !